95-529: Pathanamthitta ( IPA: [pɐt̪ːɐnɐn̪d̪iʈːɐ] ), is a municipality situated in the Southern Kerala , India, spread over an area of 23.50 km. It is the administrative capital of Pathanamthitta district . The town has a population of 37,538 (as of 2011 census). The Hindu pilgrim centre Sabarimala is situated in the Pathanamthitta district; as the main transport hub to Sabarimala,
190-537: A Tropical monsoon climate bordering a Tropical rainforest climate , more or less the same as is prevalent elsewhere in Kerala. Annual temperatures range between 20 °C (68 °F) and 39 °C (102 °F). The district experiences three distinct weather conditions: winter, summer and the monsoon. The winter season is experienced from December to February and summer season from March to May. There are two rainy seasons: The South-West monsoon (June to September) and
285-516: A National Fish Seed Farm. There are 2444 fishermen depending on this sector for their livelihood. Pathanamthitta assembly constituency was part of the Idukki (Lok Sabha constituency) but now Pathanamthitta is a separate Lok Sabha constituency. Pathanamthitta comes under Aranmula Assembly constituency. Earlier, Pathanamthitta itself was an Assembly constituency. But after delimitation, Pathanamthitta lost its named constituency. The district headquarters
380-792: A cultivar of the Kazakh dandelion ( Taraxacum kok-saghyz ) that is suitable for commercial production of natural rubber. In collaboration with Continental Tires , IME began a pilot facility. Many other plants produce forms of latex rich in isoprene polymers, though not all produce usable forms of polymer as easily as the Pará. Some of them require more elaborate processing to produce anything like usable rubber, and most are more difficult to tap. Some produce other desirable materials, for example gutta-percha ( Palaquium gutta ) and chicle from Manilkara species. Others that have been commercially exploited, or at least showed promise as rubber sources, include
475-668: A daily basis. KSRTC bus depots in Pathanamthitta district are Pathanamthitta, Konni, Thiruvalla , Adoor, Mallapally, KSRTC Operating centers are situated in Ranni, Pandalam and a Temporary KSRTC Depot working during Sabarimala season at Pamba. Pathanamthitta district is known as the Headquarters of Pilgrimage Tourism , of the Kerala State. Situated near the Western Ghats and bordered by the hills, Pathanamthitta district
570-529: A distance of 15 km include, Elanthoor , Ranny , Vadaserikara , Kozhencherry , Vechoochira , Kadammanitta , Vazhamuttom , Adoor , Pandalam , Manjinikara, Mathoor , Cheekanal, Omallur , Malayalappuzha , Kodumthara , Elavumthitta-Muloor Smarakam, Kodumon , Kalanjoor, Ayroor Cherukolpuzha, Ulanadu, Kaipattoor , Mylapra , Uthimoodu , Thumpamon , Maroor, Pramadom , Konni , Chengara and Valamchuzhy . The places beyond these are Thiruvalla , Nilackal , Parumala , and Maramon . Pathanamthitta lies on
665-447: A fiber, sometimes called 'elastic', had significant value to the textile industry because of its excellent elongation and recovery properties. For these purposes, manufactured rubber fiber was made as either an extruded round fiber or rectangular fibers cut into strips from extruded film. Because of its low dye acceptance, feel and appearance, the rubber fiber was either covered by yarn of another fiber or directly woven with other yarns into
760-510: A form of assisted biological coagulation. Little care is taken to exclude twigs, leaves, and even bark from the lumps that are formed, which may also include tree lace. Earth scrap is material that gathers around the base of the tree. It arises from latex overflowing from the cut and running down the bark, from rain flooding a collection cup containing latex, and from spillage from tappers' buckets during collection. It contains soil and other contaminants, and has variable rubber content, depending on
855-752: A given strain, thereby increasing the elastic force constant and making the rubber harder and less extensible. Raw rubber storage depots and rubber processing can produce malodour that is serious enough to become a source of complaints and protest to those living in the vicinity. Microbial impurities originate during the processing of block rubber. These impurities break down during storage or thermal degradation and produce volatile organic compounds. Examination of these compounds using gas chromatography / mass spectrometry (GC/MS) and gas chromatography (GC) indicates that they contain sulfur, ammonia, alkenes , ketones , esters , hydrogen sulfide , nitrogen, and low-molecular-weight fatty acids (C2–C5). When latex concentrate
950-520: A large stretch ratio and high resilience and also is buoyant and water-proof. Industrial demand for rubber-like materials began to outstrip natural rubber supplies by the end of the 19th century, leading to the synthesis of synthetic rubber in 1909 by chemical means. The major commercial source of natural rubber latex is the Amazonian rubber tree ( Hevea brasiliensis ), a member of the spurge family , Euphorbiaceae . Once native to Brazil,
1045-432: A petroleum refinery or other natural incineration processes, is sometimes used as an additive to rubber to improve its strength, especially in vehicle tires. During vulcanization, rubber's polyisoprene molecules (long chains of isoprene) are heated and cross-linked with molecular bonds to sulfur, forming a 3-D matrix. The optimal percentage of sulfur is approximately 10%. In this form, the polyisoprene molecules orientation
SECTION 10
#17327732643651140-435: A point where it shares properties of both; i.e., if it is heated and cooled, it is degraded but not destroyed. The final properties of a rubber item depend not just on the polymer, but also on modifiers and fillers, such as carbon black , factice , whiting and others. Rubber particles are formed in the cytoplasm of specialized latex-producing cells called laticifers within rubber plants. Rubber particles are surrounded by
1235-509: A population of 11,97,412 (11.97 Lakh) and which was lower than 12.34 lakh of previous Census of 2001. Males constitute 46.9% of the population and females 53.1%. 89% of Total population in Pathanamthitta lives in Rural area and only 11% lives in urban. Pathanamthitta District ranks the 12th place in terms of population size in the state. In total density of the District is 452 Persons per km which
1330-451: A significant amount of rubber. Gloves (medical, household, and industrial) and toy balloons were large consumers of rubber, although the type of rubber used is concentrated latex. Significant tonnage of rubber was used as adhesives in many manufacturing industries and products, although the two most noticeable were the paper and the carpet industries. Rubber was commonly used to make rubber bands and pencil erasers . Rubber produced as
1425-453: A single phospholipid membrane with hydrophobic tails pointed inward. The membrane allows biosynthetic proteins to be sequestered at the surface of the growing rubber particle, which allows new monomeric units to be added from outside the biomembrane, but within the lacticifer. The rubber particle is an enzymatically active entity that contains three layers of material, the rubber particle, a biomembrane and free monomeric units. The biomembrane
1520-524: A sovereign state such as the Principality of Monaco , to a small village such as West Hampton Dunes, New York . The territory over which a municipality has jurisdiction may encompass: Powers of municipalities range from virtual autonomy to complete subordination to the state . Municipalities may have the right to tax individuals and corporations with income tax , property tax , and corporate income tax , but may also receive substantial funding from
1615-507: A variety of plants including medicinal, spices, tuber crops and those yielding fruits and fiber. Aromatic plants and spices such as pepper , ginger , cardamom and turmeric are cultivated on a large scale. Trees such as timber, teak, rosewood, jack tree, manjakadambu, anjili, pala can be found in abundance. The forests of the district have excellent wild life habitats. A variety of animals and birds can be found. Tigers , elephants , gaur , deer , monkeys and other wild animals are found in
1710-401: A wire that encircles the tree. This wire incorporates a spring so it can stretch as the tree grows. The latex is led into the cup by a galvanised "spout" knocked into the bark. Rubber tapping normally takes place early in the morning, when the internal pressure of the tree is highest. A good tapper can tap a tree every 20 seconds on a standard half-spiral system, and a common daily "task" size
1805-442: Is 25 cm (vertical) bark consumption per year. The latex-containing tubes in the bark ascend in a spiral to the right. For this reason, tapping cuts usually ascend to the left to cut more tubes. The trees drip latex for about four hours, stopping as latex coagulates naturally on the tapping cut, thus blocking the latex tubes in the bark. Tappers usually rest and have a meal after finishing their tapping work and then start collecting
1900-623: Is April. Although summer doesn't end until May, the city often receives locally developed heavy thundershowers in May (although humidity remains high). The monsoon lasts from June to August, with moderate rainfall. Most of the heavy rainfall in the city falls between June and July, and June is the wettest month of the year. The Last weeks of June is also days of floods. The three major rivers viz Pampa, Achankovil and Manimala swell with rainwater. Winter begins in December. December through February are
1995-497: Is Thiruvalla (largest town in Pathanamthitta District), located at a distance of 30 km. Thiruvalla railway station is 30 km via Thiruvalla-Kumbazha highway. The district's name is a combination of two Malayalam words, pathanam and thitta , which together mean 'array of houses on the river side'. The district headquarters is located on the banks of the river Achankovil . The regions that form
SECTION 20
#17327732643652090-418: Is a natural polymer of isoprene (polyisoprene), and an elastomer (a stretchy polymer). Polymers are simply chains of molecules that can be linked together. Rubber is one of the few naturally occurring polymers and prized for its high stretch ratio, resilience, and water-proof properties. Other examples of natural polymers include tortoise shell , amber , and animal horn . When harvested, latex rubber takes
2185-532: Is a sticky, milky and white colloid drawn off by making incisions in the bark and collecting the fluid in vessels in a process called "tapping". The latex then is refined into the rubber that is ready for commercial processing. In major areas, latex is allowed to coagulate in the collection cup. The coagulated lumps are collected and processed into dry forms for sale. Natural rubber is used extensively in many applications and products, either alone or in combination with other materials. In most of its useful forms, it has
2280-454: Is a treat to eyes with its vast unending stretches of forests, rivers and rural landscapes. Blessed by nature, the district is famous for its scenic beauty, fairs and festivals. Land of Lord Ayyappa is the tag-line of Pathanamthitta tourism. Pathanamthitta attracts a large number of tourists every year. Pilgrim centres and other eco tourism spots like Gavi and Adavi are most visited in Pathanamthitta. Places around Pathanamthitta city within
2375-489: Is at Pathanamthitta town. The district administration is headed by the District Collector Prem Krishnan . He is assisted by five Deputy Collectors holding charges of general matters, revenue recovery, land acquisition, land reforms and election. Under the three tier system of panchayat in rural areas, Pathanamthitta has one district panchayat, 9 block panchayat and 57 grama panchayats . Under
2470-415: Is between 450 and 650 trees. Trees are usually tapped on alternate or third days, although many variations in timing, length and number of cuts are used. "Tappers would make a slash in the bark with a small hatchet. These slanting cuts allowed latex to flow from ducts located on the exterior or the inner layer of bark ( cambium ) of the tree. Since the cambium controls the growth of the tree, growth stops if it
2565-496: Is cut. Thus, rubber tapping demanded accuracy, so that the incisions would not be too many given the size of the tree, or too deep, which could stunt its growth or kill it." It is usual to tap a panel at least twice, sometimes three times, during the tree's life. The economic life of the tree depends on how well the tapping is carried out, as the critical factor is bark consumption. A standard in Malaysia for alternate daily tapping
2660-657: Is derived from French municipalité , which in turn derives from the Latin municipalis , based on the word for social contract ( municipium ), referring originally to the Latin communities that supplied Rome with troops in exchange for their own incorporation into the Roman state (granting Roman citizenship to the inhabitants) while permitting the communities to retain their own local governments (a limited autonomy). A municipality can be any political jurisdiction , from
2755-694: Is formed by including all the five Assembly constituencies of the district along with two other Assembly constituencies in the neighboring Kottayam district . Indian National Congress , the CPM / CPI , Bharathiya Janatha party(BJP)and Kerala Congress are the main political parties. The proposed Sabari International Airport, Cheruvally would be the closest airport upon completion, at 28 km away from Pathanamthitta town. Thiruvananthapuram International Airport (113 km), Cochin International Airport, at Nedumbassery , Kochi (142 km) are
2850-438: Is held tightly to the rubber core by the high negative charge along the double bonds of the rubber polymer backbone. Free monomeric units and conjugated proteins make up the outer layer. The rubber precursor is isopentenyl pyrophosphate (an allylic compound), which elongates by Mg -dependent condensation by the action of rubber transferase. The monomer adds to the pyrophosphate end of the growing polymer. The process displaces
2945-435: Is less since sizeable area of the district is reserve forest. Pathanamthitta district has a unique position in the inland fisheries map of Kerala state with its freshwater resources like rivers , reservoirs , streams , ponds , quarries and paddy fields . The fisheries activities in this region started with the establishment of a Fresh Water Survey Station. The district has an Ornamental Fish Breeding resource centre and
Pathanamthitta - Misplaced Pages Continue
3040-572: Is low and strain results from small changes of bond lengths and angles: this caused the Challenger disaster , when the American Space Shuttle 's flattened o-rings failed to relax to fill a widening gap. The glass transition is fast and reversible: the force resumes on heating. The parallel chains of stretched rubber are susceptible to crystallization. This takes some time because turns of twisted chains have to move out of
3135-899: Is not cultivated widely in its native continent of South America because of the South American leaf blight , and other natural predators there. Rubber latex is extracted from rubber trees. The economic life of rubber trees in plantations is around 32 years, with up to 7 years being an immature phase and about 25 years of productive phase. The soil requirement is well-drained, weathered soil consisting of laterite , lateritic types, sedimentary types, nonlateritic red or alluvial soils. The climatic conditions for optimum growth of rubber trees are: Many high-yielding clones have been developed for commercial planting. These clones yield more than 2,000 kilograms per hectare (1,800 lb/acre) of dry rubber per year, under ideal conditions. Rubber production has been linked to deforestation. Rubber therefore
3230-588: Is one of seven commodities included in the 2023 EU Regulation on Deforestation-free products (EUDR), which aims to guarantee that the products European Union (EU) citizens consume do not contribute to deforestation or forest degradation worldwide. In places such as Kerala and Sri Lanka, where coconuts are in abundance, the half shell of coconut was used as the latex collection container. Glazed pottery or aluminium or plastic cups became more common in Kerala-India and other countries. The cups are supported by
3325-429: Is part of a festival celebrated during the month of September. Though the snake boat race is also performed at nearby places, the race held at Aranmula is unique because of the boats' shape and design. Maramadimatsaram (Ox Race) is another such seasonal sport. This is held as part of the largest annual cattle fair of Central Travancore region. The race is held in three categories. Municipality A municipality
3420-449: Is produced by smallholders, who collect rubber from trees far from the nearest factory. Many Indonesian smallholders, who farm paddies in remote areas, tap dispersed trees on their way to work in the paddy fields and collect the latex (or the coagulated latex) on their way home. As it is often impossible to preserve the latex sufficiently to get it to a factory that processes latex in time for it to be used to make high quality products, and as
3515-529: Is produced from rubber, sulfuric acid is used for coagulation. This produces malodourous hydrogen sulfide. The industry can mitigate these bad odours with scrubber systems . Rubber is the polymer cis-1,4-polyisoprene – with a molecular weight of 100,000 to 1,000,000 daltons . Typically, a small percentage (up to 5% of dry mass) of other materials, such as proteins , fatty acids , resins , and inorganic materials (salts) are found in natural rubber. Polyisoprene can also be created synthetically, producing what
3610-567: Is sometimes applied to the tree-obtained version of natural rubber in order to distinguish it from the synthetic version. The first use of rubber was by the indigenous cultures of Mesoamerica . The earliest archeological evidence of the use of natural latex from the Hevea tree comes from the Olmec culture, in which rubber was first used for making balls for the Mesoamerican ballgame . Rubber
3705-402: Is sometimes referred to as "synthetic natural rubber", but the synthetic and natural routes are distinct. Some natural rubber sources, such as gutta-percha , are composed of trans-1,4-polyisoprene, a structural isomer that has similar properties. Natural rubber is an elastomer and a thermoplastic . Once the rubber is vulcanized, it is a thermoset . Most rubber in everyday use is vulcanized to
3800-479: Is still random but they become aligned when the rubber is stretched. This sulfur vulcanization makes the rubber stronger and more rigid, but still very elastic. And through the vulcanization process, the sulfur and latex are meant to be totally used up in individual form. Natural rubber latex is shipped from factories in Southeast Asia , South America , and West and Central Africa to destinations around
3895-549: Is the only railway station in the District. Mavelikara railway station (Code: MVLK) (32.5 km) is also nearest station after Chengannur and Tiruvalla stations. Kollam Junction Railway Station (Code: QLN) is 62 km away from Pathanamthitta. The location of Chengannur private bus stand in front of the station makes it the most convenient one. Direct Bus services to Pathanamthitta are operated from both Tiruvalla and Chengannur. The proposed Chengannur – Pandalam – Kottarakkara – Thiruvananthapuram railway line passes through
Pathanamthitta - Misplaced Pages Continue
3990-404: Is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term municipality may also mean the governing body of a given municipality. A municipality is a general-purpose administrative subdivision, as opposed to a special-purpose district . The English word
4085-505: The Mullins effect and the Payne effect and is often modeled as hyperelastic . Rubber strain crystallizes . Because there are weakened allylic C-H bonds in each repeat unit , natural rubber is susceptible to vulcanisation as well as being sensitive to ozone cracking . The two main solvents for rubber are turpentine and naphtha (petroleum). Because rubber does not dissolve easily,
4180-595: The North-East monsoon (October to November). The South-West monsoon is usually very heavy. About 75% of its annual rainfall is received during this season. The town enjoys a tropical climate, the monsoons start in June. The months of April–May can get pretty humid. The best weather is from October to February. Pathanamthitta experiences three distinct seasons: summer , monsoon and winter . Typical summer months are from March to May. The warmest month in Pathanamthitta
4275-728: The Putumayo genocide . Between the 1880s–1913 Julio César Arana and his company that would become the Peruvian Amazon Company controlled the Putumayo river. W.E. Hardenburg, Benjamin Saldaña Rocca and Roger Casement were influential figures in exposing these atrocities. Roger Casement was also prominent in revealing the Congo atrocities to the world. Days before entering Iquitos by boat Casement wrote "'Caoutchouc
4370-988: The Travancore Kingdom until the formation of Pathanamthitta district in 1982. Modern day Pathanamthitta District, the thirteenth revenue district of the State of Kerala was formed with effect from 1 November 1982, with headquarters at Pathanamthitta. Pathanamthitta has an average elevation of 18 metres (62 ft) above sea level. The main trunk road from south to Sabarimala starts from MC Road at Adoor via NH 183A Pathanamthitta. From The North it Starts from Thiruvalla MC Road and Continues through State Highway 7 (Kerala) , The Main Eastern Highway (Punalur-Muvattupuzha Road/SH-08), Main Central Road (Kesavadasapuram-Angamaly Road/SH-01), NH 183A Kollam -Teni via Adoor- Pathanamthitta. Pathanamthitta has
4465-557: The cytosol . In plants, isoprene pyrophosphate can also be obtained from the 1-deox-D-xyulose-5-phosphate/2-C-methyl-D-erythritol-4-phosphate pathway within plasmids. The relative ratio of the farnesyl pyrophosphate initiator unit and isoprenyl pyrophosphate elongation monomer determines the rate of new particle synthesis versus elongation of existing particles. Though rubber is known to be produced by only one enzyme, extracts of latex host numerous small molecular weight proteins with unknown function. The proteins possibly serve as cofactors, as
4560-483: The 12th in States as per 2011 Census. In Sex-ratio, the District is in the 2nd position with 1132 females per 1,000 males. In Child Sex-ratio, the District has the 1st rank with 976 female children per 1000 male children. The District has the second position in total literacy rate (96.55 per cent) and female literacy rate (95.83 per cent). Agricultural Labourers constitute 14.1 per cent while Cultivators form 10.5 per cent of
4655-457: The Académie (published in 1755) that described many of rubber's properties. This has been referred to as the first scientific paper on rubber. In England, Joseph Priestley , in 1770, observed that a piece of the material was extremely good for rubbing off pencil marks on paper, hence the name "rubber". It slowly made its way around England. In 1764, François Fresnau discovered that turpentine
4750-673: The Congo Free State for more information on the rubber trade in the Congo Free State in the late 1800s and early 1900s.) The rubber boom in the Amazon also similarly affected indigenous populations to varying degrees. Correrias, or slave raids were frequent in Colombia, Peru and Bolivia where many were either captured or killed. The most well known case of atrocities generated from rubber extraction in South America came from
4845-642: The Spanish term ayuntamiento , referring to a municipality's administration building, is extended via synecdoche to denote the municipality itself. In Moldova and Romania , both municipalities ( municipiu ; urban administrative units) and communes ( comună ; rural units) exist, and a commune may be part of a municipality. In many countries, comparable entities may exist with various names. Rubber Rubber , also called India rubber , latex , Amazonian rubber , caucho , or caoutchouc , as initially produced, consists of polymers of
SECTION 50
#17327732643654940-569: The Total Workers in the District. There are five engineering colleges and one medical college in Pathanamthitta District. Hinduism (56%) is the majority faith in Pathanamthitta. Christianity (39%) forms a significant minority. Pathanamthitta has tropical biodiversity with forest, plantations, rivers and fertile land. Fifty percent of the district is covered with forest, providing rich flora and fauna. The district has
5035-409: The amount of contaminants. Earth scrap is collected by field workers two or three times a year and may be cleaned in a scrap-washer to recover the rubber, or sold to a contractor who cleans it and recovers the rubber. It is of low quality. Latex coagulates in the cups if kept for long and must be collected before this happens. The collected latex, "field latex", is transferred into coagulation tanks for
5130-534: The community living in the area and the common interest. These include terms: The same terms "Gemeente" (Dutch) or "Gemeinde" (German) may be used for church congregations or parishes, for example, in the German and Dutch Protestant churches. In Greece, the word Δήμος ( demos ) is used, also meaning 'community'; the word is known in English from the compound democracy (rule of the people). In some countries,
5225-473: The database, in Pathanamthitta, the annual mean of PM10 and PM2.5 is recorded at 23 and 10 respectively, which is closer to the recommended level of concentration of particulate matter. While a number of Indian cities are among the world's most polluted, Pathanamthitta's air quality is comparable to some of the cleanest cities in North America, Europe and Australia. Agriculture is the main occupation of
5320-461: The district. Pathanamthitta is the meeting point of two major State Highways T.K. Road (SH – 07) and Main Eastern Highway (Punalur-Muvattupuzha Road / SH – 08). The town is well connected to major towns and cities inside and outside Kerala by the State run K.S.R.T.C and private buses as well as Luxury Services. Both the KSRTC and private buses play equal roles in satisfying the transportation needs of
5415-407: The dry rubber produced. Latex that drips onto the ground, "earth scrap", is also collected periodically for processing of low-grade product. Cup lump is the coagulated material found in the collection cup when the tapper next visits the tree to tap it again. It arises from latex clinging to the walls of the cup after the latex was last poured into the bucket, and from late-dripping latex exuded before
5510-666: The early 1900s, the Congo Free State in Africa was also a significant source of natural rubber latex, mostly gathered by forced labor . King Leopold II's colonial state brutally enforced production quotas due to the high price of natural rubber at the time. Tactics to enforce the rubber quotas included removing the hands of victims to prove they had been killed. Soldiers often came back from raids with baskets full of chopped-off hands. Villages that resisted were razed to encourage better compliance locally. (See Atrocities in
5605-421: The export of seeds or plants. In 1876, Henry Wickham smuggled 70,000 Amazonian rubber tree seeds from Brazil and delivered them to Kew Gardens , England. Only 2,400 of these germinated. Seedlings were then sent to India , British Ceylon ( Sri Lanka ), Dutch East Indies ( Indonesia ), Singapore , and British Malaya . Malaya (now Peninsular Malaysia ) was later to become the biggest producer of rubber. In
5700-636: The fabric. Rubber yarns were used in foundation garments. While rubber is still used in textile manufacturing, its low tenacity limits its use in lightweight garments because latex lacks resistance to oxidizing agents and is damaged by aging, sunlight, oil and perspiration. The textile industry turned to neoprene (polymer of chloroprene ), a type of synthetic rubber, as well as another more commonly used elastomer fiber, spandex (also known as elastane), because of their superiority to rubber in both strength and durability. Rubber exhibits unique physical and chemical properties. Rubber's stress–strain behavior exhibits
5795-477: The first technique for tapping trees for latex without causing serious harm to the tree. Because of his fervent promotion of this crop, he is popularly remembered by the nickname "Mad Ridley". Before World War II significant uses included door and window profiles, hoses, belts, gaskets, matting , flooring, and dampeners (antivibration mounts) for the automotive industry. The use of rubber in car tires (initially solid rather than pneumatic) in particular consumed
SECTION 60
#17327732643655890-527: The forest. Giant squirrel , lion-tailed macaques , barking deer and bear can also be spotted in the reserve. Malabar grey hornbill and great Indian hornbill are found. Pathanamthitta also houses the Indian peacock . Wide variety of other birds such as sunbirds , woodpeckers and kingfishers can also be seen. The existence of the wildlife habitat is under threat from various areas. Pollution from fertilizer and industries and illegal sand mining are
5985-544: The form of latex, an opaque, white, milky suspension of rubber particles in water. It is then transformed through industrial processes to the solid form widely seen in manufactured goods. Natural rubber is reactive and vulnerable to oxidization, but it can be stabilized through a heating process called vulcanization. Vulcanization is a process by which the rubber is heated and sulfur , peroxide , or bisphenol are added to improve resistance and elasticity and to prevent it from oxidizing. Carbon black , which can be derived from
6080-459: The higher-grade, technically specified block rubbers such as SVR 3L or SVR CV or used to produce Ribbed Smoke Sheet grades. Naturally coagulated rubber (cup lump) is used in the manufacture of TSR10 and TSR20 grade rubbers. Processing for these grades is a size reduction and cleaning process to remove contamination and prepare the material for the final stage of drying. The dried material is then baled and palletized for storage and shipment. Rubber
6175-431: The international market spot price of a seemingly more profitable crop (for example palm oil ) surges in relation to rubber. For instance, during the 2020 and 2021 international COVID-19 pandemic , demand for rubber gloves surged, leading to a spike in rubber prices of about 30%. In addition to the pandemic, demand exceeded supply in part because long term plantations had been torn out and replaced with other crops over
6270-402: The latex would anyway have coagulated by the time it reached the factory, the smallholder will coagulate it by any means available, in any container available. Some smallholders use small containers, buckets etc., but often the latex is coagulated in holes in the ground, which are usually lined with plastic sheeting. Acidic materials and fermented fruit juices are used to coagulate the latex –
6365-434: The latex-carrying vessels of the tree become blocked. It is of higher purity and of greater value than the other three types. 'Cup lumps' can also be used to describe a completely different type of coagulate that has collected in smallholder plantations over a period of 1–2 weeks. After tapping all of the trees, the tapper will return to each tree and stir in some type of acid, which allows the newly harvested latex to mix with
6460-416: The latex. There is growing concern for the future supply of rubber due to various factors, including plant disease, climate change, and the volatile market price of rubber. Producers of natural rubber are mostly small family-held plantations, often serving large industrial aggregators. High volatility in the price of rubber affects rubber plantation investment, and farmers may remove their rubber trees if
6555-443: The liquid "field latex" at about midday. The four types of field coagula are "cuplump", "treelace", "smallholders' lump", and "earth scrap". Each has significantly different properties. Some trees continue to drip after the collection leading to a small amount of "cup lump" that is collected at the next tapping. The latex that coagulates on the cut is also collected as "tree lace". Tree lace and cup lump together account for 10%–20% of
6650-444: The major threats. Issues connected to Sabarimala pilgrimage such as clearing of forest land and large amount of waste discharged also threatens the habitat. Main stadiums in the town are Pathanamthitta K. K. Nair Stadium and Pathanamthitta Indoor Stadium. Other stadiums include Pramadom Rajiv Gandhi Indoor Stadium. These stadiums host sports events in state, district levels and is also used for other purposes. The Aranmula Boat Race
6745-399: The material is finely divided by shredding prior to its immersion. An ammonia solution can be used to prevent the coagulation of raw latex. Rubber begins to melt at approximately 180 °C (356 °F). On a microscopic scale, relaxed rubber is a disorganized cluster of erratically changing wrinkled chains. In stretched rubber, the chains are almost linear. The restoring force is due to
6840-521: The nearest airports. Perunad Heliport (helipad) is situated in Kuttikayam estate, Mampara road. Which is known as Sabarimala helipad. Chipsan Aviation Pvt Ltd, having service from various location. Most of the Sabarimala pilgrimages are using this heliport. Chengannur railway station (Code: CNGR) (24 km) is the nearest Railway station. Tiruvalla railway station (Code: TRVL) (30 km)
6935-458: The organic compound isoprene , with minor impurities of other organic compounds. Thailand , Malaysia , Indonesia , and Cambodia are four of the leading rubber producers. Types of polyisoprene that are used as natural rubbers are classified as elastomers . Currently, rubber is harvested mainly in the form of the latex from the Pará rubber tree ( Hevea brasiliensis ) or others. The latex
7030-589: The people. About 75% people are dependent on this sector. Rubber is the most important crop, with its plantations covering over 478 square kilometres (185 sq mi). The hilly terrain coupled with high humidity makes the region suitable for rubber plantations. Paddy is the most important crop cultivated in the wet lands. Tapioca and pulses are the important dry land crops. Other major crops are coconut , banana , pepper and ginger . In certain areas cashew , pineapple , sugarcane , cocoa and other tree spices are cultivated. The land available for cultivation
7125-577: The plantation expanded to Karnataka , Tamil Nadu and the Andaman and Nicobar Islands of India. Today, India is the world's 3rd largest producer and 4th largest consumer of rubber. In Singapore and Malaya, commercial production was heavily promoted by Sir Henry Nicholas Ridley , who served as the first Scientific Director of the Singapore Botanic Gardens from 1888 to 1911. He distributed rubber seeds to many planters and developed
7220-606: The preparation of dry rubber or transferred into air-tight containers with sieving for ammoniation. Ammoniation, invented by patent lawyer and vice-president of the United States Rubber Company Ernest Hopkinson around 1920, preserves the latex in a colloidal state for longer periods of time. Latex is generally processed into either latex concentrate for manufacture of dipped goods or coagulated under controlled, clean conditions using formic acid. The coagulated latex can then be processed into
7315-400: The preponderance of wrinkled conformations over more linear ones. For the quantitative treatment see ideal chain , for more examples see entropic force . Cooling below the glass transition temperature permits local conformational changes but a reordering is practically impossible because of the larger energy barrier for the concerted movement of longer chains. "Frozen" rubber's elasticity
7410-422: The previously coagulated material. The rubber/acid mixture is what gives rubber plantations, markets, and factories a strong odor. Tree lace is the coagulum strip that the tapper peels off the previous cut before making a new cut. It usually has higher copper and manganese contents than cup lump. Both copper and manganese are pro-oxidants and can damage the physical properties of the dry rubber. Smallholders' lump
7505-542: The road route to the pilgrim town of Sabarimala , which is 65 km away. The Chettikulangara temple, at Mavelikkara is about 35 km from Pathanamthitta. Padanilam Parabrahma Temple is situated 26 km from Pathanamthitta. Aranmula is around 14 km from Pathanamthitta. Aranmula Temple is one of the biggest temples in South India en route to Sabarimala. See List of people from Pathanamthitta District As per Census of India 2011 Pathanamthitta district had
7600-420: The rubber fig ( Ficus elastica ), Panama rubber tree ( Castilla elastica ), various spurges ( Euphorbia spp.), lettuce ( Lactuca species), the related Scorzonera tau-saghyz , various Taraxacum species, including common dandelion ( Taraxacum officinale ) and Kazakh dandelion, and, perhaps most importantly for its hypoallergenic properties, guayule ( Parthenium argentatum ). The term gum rubber
7695-580: The same quality as the natural rubber from rubber trees . In the wild types of dandelion, latex content is low and varies greatly. In Nazi Germany , research projects tried to use dandelions as a base for rubber production, but failed. In 2013, by inhibiting one key enzyme and using modern cultivation methods and optimization techniques, scientists in the Fraunhofer Institute for Molecular Biology and Applied Ecology (IME) in Germany developed
7790-572: The single tier system in urban areas, there are 4 municipalities the district. In addition, there is a census town ( Kozhencherry ). As per the Delimitation of Parliamentary and Assembly Constituencies Order, 2008, Pathanamthitta has five Assembly constituencies , down from eight. However, the district was unified into a single Parliamentary constituency, thus contributing a seat to the Lok Sabha . The Pathanamthitta parliamentary constituency
7885-454: The species is now pan-tropical. This species is preferred because it grows well under cultivation. A properly managed tree responds to wounding by producing more latex for several years. Congo rubber , formerly a major source of rubber, which motivated the atrocities in the Congo Free State , came from vines in the genus Landolphia ( L. kirkii , L. heudelotis , and L. owariensis ). Dandelion milk contains latex. The latex exhibits
7980-478: The state. In some European countries, such as Germany, municipalities have the constitutional right to supply public services through municipally-owned public utility companies . Terms cognate with "municipality", mostly referring to territory or political structure, are Spanish municipio (Spain) and municipalidad (Chile), Catalan municipi , Portuguese município . In many countries, terms cognate with "commune" are used, referring to
8075-564: The synthetic rate decreases with complete removal. More than 28 million tons of rubber were produced in 2017, of which approximately 47% was natural. Since the bulk is synthetic, which is derived from petroleum, the price of natural rubber is determined, to a large extent, by the prevailing global price of crude oil. Asia was the main source of natural rubber, accounting for about 90% of output in 2021. The three largest producers, Thailand , Indonesia, and Malaysia, together account for around 72% of all natural rubber production. Natural rubber
8170-435: The terminal high-energy pyrophosphate. The reaction produces a cis polymer. The initiation step is catalyzed by prenyltransferase , which converts three monomers of isopentenyl pyrophosphate into farnesyl pyrophosphate . The farnesyl pyrophosphate can bind to rubber transferase to elongate a new rubber polymer. The required isopentenyl pyrophosphate is obtained from the mevalonate pathway, which derives from acetyl-CoA in
8265-460: The town is known as the 'Pilgrim Capital of Kerala'. Pathanamthitta District, the thirteenth revenue district of the State of Kerala, was formed with effect from 1 November 1982, with headquarters at Pathanamthitta. Forest covers more than half of the total area of the District. Pathanamthitta District ranks the 7th in area in the State. The district has its borders with Allepey, Kottayam, Kollam and Idukki districts of Kerala and Tamil Nadu. Nearest town
8360-565: The town were formerly under the rule of Pandalam , which had connections with the Pandya kingdom . It is believed that Hindu God Lord Ayyappa was the King of this region. When Pandalam was added to the princely state of Travancore in 1820, the region came under Travancore administration. Pathanamthitta district , along with most parts of Alappuzha district, was part of the Quilon district of
8455-638: The town. The cities of Kollam , Thiruvananthapuram , Kochi , Thrissur etc. are connected by KSRTC services whereas hi-range townships like Punalur, Kumali, Pala and the Malabar Area of Northern Kerala are connected by private bus services. KSRTC is running chain services that connect Pathanamthitta with the City of Kollam via Adoor , Also to Chengannur railway via Elavumthitta or Kozhencherry . Plenty of A/C Luxury Bus services are operated from Pathanamthitta to Bangalore, Chennai, Mangalore and Mumbai on
8550-453: The way of the growing crystallites . Crystallization has occurred, for example, when, after days, an inflated toy balloon is found withered at a relatively large remaining volume. Where it is touched, it shrinks because the temperature of the hand is enough to melt the crystals. Vulcanization of rubber creates di- and polysulfide bonds between chains, which limits the degrees of freedom and results in chains that tighten more quickly for
8645-474: The winter months. The lowest temperatures are experienced during January. According to the latest World Health Organization (WHO) study on ambient air quality among 123 Indian cities, Pathanamthitta was found to have the cleanest air in India, in terms of least concentration of dust particles in air. Two out of the three least polluted cities in India are from Kerala, Kollam being the second least polluted. As per
8740-442: The world. As the cost of natural rubber has risen significantly and rubber products are dense, the shipping methods offering the lowest cost per unit weight are preferred. Depending on destination, warehouse availability, and transportation conditions, some methods are preferred by certain buyers. In international trade, latex rubber is mostly shipped in 20-foot ocean containers. Inside the container, smaller containers are used to store
8835-468: Was a rubber solvent . Giovanni Fabbroni is credited with the discovery of naphtha as a rubber solvent in 1779. Charles Goodyear redeveloped vulcanization in 1839, although Mesoamericans had used stabilized rubber for balls and other objects as early as 1600 BC. South America remained the main source of latex rubber used during much of the 19th century. The rubber trade was heavily controlled by business interests but no laws expressly prohibited
8930-760: Was first called 'india rubber,' because it came from the Indies, and the earliest European use of it was to rub out or erase. It is now called India rubber because it rubs out or erases the Indians." In India , commercial cultivation was introduced by British planters, although the experimental efforts to grow rubber on a commercial scale were initiated as early as 1873 at the Calcutta Botanical Garden . The first commercial Hevea plantations were established at Thattekadu in Kerala in 1902. In later years
9025-529: Was later used by the Maya and Aztec cultures: in addition to making balls, Aztecs used rubber for other purposes, such as making containers and to make textiles waterproof by impregnating them with the latex sap. Charles Marie de La Condamine is credited with introducing samples of rubber to the Académie Royale des Sciences of France in 1736. In 1751, he presented a paper by François Fresneau to
#364635