{ bidder: 'appnexus', params: { placementId: '11654157' }}, "plastics"). ga('set', 'dimension3', "combinationPanel"); Mots en P à proximité: polygynandrie, polygynie, polyhaline, polyholoside, polyhydroxyalkanoate, polymère, polymérisation, polymérisation en chaîne, polymictique, polymorphe, polymorphie. A polymer is a large molecule made up of chains or rings of linked repeating subunits, which are called monomers. { bidder: 'sovrn', params: { tagid: '346698' }}, { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, var googletag = googletag || {}; See more. iasLog("exclusion label : lcp"); The word was coined by Swedish chemist Jons Jacob Berzelius (1779–1848) in 1833, although with a slightly different meaning from the modern definition. { bidder: 'sovrn', params: { tagid: '446381' }}, The first man-made plastic was nitrocellulose. polymer definition: 1. a chemical substance consisting of large molecules made from many smaller and simpler molecules…. { bidder: 'appnexus', params: { placementId: '19042093' }}, { bidder: 'sovrn', params: { tagid: '346693' }}, googletag.pubads().disableInitialLoad(); The Journal of Polymer Science Part A: Polymer Chemistry is a peer-reviewed scientific journal covering polymer science.The journal is dedicated to studies in fundamental organic polymer chemistry and physical organic chemistry. { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, var mapping_btmslot_a = googletag.sizeMapping().addSize([746, 0], [[300, 250], 'fluid']).addSize([0, 0], [[300, 250], [320, 50], [300, 50], 'fluid']).build(); IUPAC: "Definition of Terms Relating to Individual Macromolecules, Their Assemblies, and Dilute Solutions", Commission on Macromolecular … Learn more. expires: 365 Sources: IUPAC: "Glossary of Basic Terms in Polymer Science", Commission on Macromolecular Nomenclature, Macromolecular Division, International Union of Pure and Applied Chemistry, draft: May 13, 1991. Find issues by year (2010 - Present) 2020 - vol. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, ga('set', 'dimension2', "entryex"); "error": true, 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. The word polymer comes from the Greek prefix poly-, which means "many," and the suffix -mer, which means "parts." { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, These examples are from corpora and from sources on the web. "loggedIn": false Polymers make up many of the materials in living organisms, and they constitute the basis of certain minerals and human-made materials, such as paper and plastics. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, pbjs.setConfig(pbjsCfg); { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, Polymer definition, a compound of high molecular weight derived either by the addition of many smaller molecules, as polyethylene, or by the condensation of many smaller molecules with the elimination of water, alcohol, or the like, as nylon. { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, Polymers synonyms, Polymers pronunciation, Polymers translation, English dictionary definition of Polymers. { bidder: 'appnexus', params: { placementId: '11653860' }}, 'min': 31, The word in the example sentence does not match the entry word. Thermoset plastics are made from a liquid or soft solid substance that can be irreversibly changed into an insoluble polymer by curing using heat or radiation. }, Polymer definition is - a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units. googletag.pubads().set("page_url", "https://dictionary.cambridge.org/dictionary/english/polymer"); En savoir plus. { bidder: 'sovrn', params: { tagid: '346688' }}, { bidder: 'appnexus', params: { placementId: '11654208' }}, var dfpSlots = {}; 2017 - vol. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, },{ Definition of polymer in English Dictionary; Nom PL polymers PRE poly-SUF-mer +-(organic chemistry) A long or larger molecule consisting of a chain or network of many repeating units, formed by chemically bonding together many identical or similar small molecules called monomers. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, Polymers may be divided into two categories. }); } { bidder: 'appnexus', params: { placementId: '11653860' }}, iasLog("criterion : cdo_c = " + ["science_geographic_locales"]); googletag.pubads().setTargeting("cdo_tc", "resp"); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, if(refreshConfig.enabled == true) userIds: [{ 'increment': 0.5, googletag.pubads().setTargeting("sfr", "cdo_dict_english"); "sign-up": "https://dictionary.cambridge.org/auth/signup?rid=READER_ID", His study suggested that hydration-induced configurational changes in seed. { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, }); Définition POLYMERE publiée le 10/01/2008 (mise à jour le 25/10/2020), par l'équipe d'auteurs-rédacteurs. { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, }; polymer. By using ThoughtCo, you accept our, Plastic Definition and Examples in Chemistry, Biological Polymers: Proteins, Carbohydrates, Lipids, A Brief History of the Invention of Plastics, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. Click on the arrows to change the translation direction. var pbMobileHrSlots = [ { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, type: "html5", var pbMobileLrSlots = [ pbjs.que.push(function() { var pbTabletSlots = [ storage: { googletag.cmd.push(function() { ga('send', 'pageview'); Add polymer to one of your lists below, or create a new one. "authorization": "https://dictionary.cambridge.org/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=ENTRY_TRANSLATE&v1=english&v2=polymer&v3=&v4=english&_=RANDOM", { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, 'cap': true { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, 7. }); polymer synonyms, polymer pronunciation, polymer translation, English dictionary definition of polymer. params: { { bidder: 'sovrn', params: { tagid: '446381' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, } { bidder: 'ix', params: { siteId: '195464', size: [300, 600] }}, When nitrocellulose was treated with camphor, it produced celluloid, a polymer widely used in the film industry and as a moldable replacement for ivory. Because the molecules consist of many monomers, polymers tend to have high molecular masses. { bidder: 'sovrn', params: { tagid: '346688' }}, 'buckets': [{ addPrebidAdUnits(pbAdUnits); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, 'cap': true Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in … }; var pbDesktopSlots = [ { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, La polymérisation désigne la réaction chimique ou le procédé par lesquels des petites molécules (par exemple des hydrocarbures de deux à dix atomes de carbone) réagissent entre elles pour former des molécules de masses molaires plus élevées. var pbjs = pbjs || {}; { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, iasLog("criterion : cdo_pc = dictionary"); Even if it is strongly associated with the production of thermosetting polymers, the term curing can be used for all the processes where starting from a liquid solution, a solid product is obtained. The simplest definition of a polymer is a useful chemical made of many repeating units. 2 Natural Polymers Three types of natural polymers are polysaccharides, proteins, and nuclei acids. dfpSlots['leftslot'] = googletag.defineSlot('/2863368/leftslot', [[120, 600], [160, 600]], 'ad_leftslot').defineSizeMapping(mapping_leftslot).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'left').addService(googletag.pubads()); See more. Translation for 'polymer chemistry' in the free English-French dictionary and many other French translations. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, "authorizationFallbackResponse": { { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, Usage explanations of natural written and spoken English, 0 && stateHdr.searchDesk ? { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, 'increment': 0.05, Because the molecules consist of many monomers, polymers tend to have high molecular masses. { bidder: 'appnexus', params: { placementId: '11654208' }}, { bidder: 'sovrn', params: { tagid: '446382' }}, pbjs.que = pbjs.que || []; {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, },{ They are found widely in the natural world (e.g. { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date; Browse our dictionary apps today and ensure you are never again lost for words. 'min': 3.05, }] 'max': 8, { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, ThoughtCo uses cookies to provide you with a great user experience. { bidder: 'sovrn', params: { tagid: '446382' }}, A polymer is a large molecule made up of chains or rings of linked repeating subunits, which are called monomers. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, { bidder: 'ix', params: { siteId: '195467', size: [300, 50] }}, Examples of thermoplastics include acrylic, nylon, Teflon, polypropylene, polycarbonate, ABS, and polyethylene. },{ A polymer is a large molecule also called Polymer chemistry is an example of applied organic chemistry. • Synthetic polymers are a mainstay of modern life, but nature also makes polymers; they are found in all living matter. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, { bidder: 'sovrn', params: { tagid: '346688' }}, Chemistry Dictionary Definition of Polymer A large molecule consisting of chains or rings of linked monomer units, usually characterized by high melting and boiling points. A lithium polymer battery, or more correctly lithium-ion polymer battery (abbreviated as LiPo, LIP, Li-poly, lithium-poly and others), is a rechargeable battery of lithium-ion technology using a polymer electrolyte instead of a liquid electrolyte. storage: { { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, { bidder: 'appnexus', params: { placementId: '11654156' }}, googletag.enableServices(); if(pl_p) Définitions de Polymer Chemistry, synonymes, antonymes, dérivés de Polymer Chemistry, dictionnaire analogique de Polymer Chemistry (français) googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); name: "unifiedId", userSync: { { bidder: 'appnexus', params: { placementId: '11654149' }}, polymer définition, signification, ce qu'est polymer: 1. a chemical substance consisting of large molecules made from many smaller and simpler molecules…. Examples of thermoset plastics include epoxy, polyester, acrylic resins, polyurethanes, and vinyl esters. { bidder: 'appnexus', params: { placementId: '11654157' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, name: "pubCommonId", { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; enableSendAllBids: false, 11. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, Le terme polymère désigne une molécule de masse moléculaire élevée généralement organique ou semi-organique. var mapping_houseslot_b = googletag.sizeMapping().addSize([963, 0], []).addSize([0, 0], [300, 250]).build(); { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, { bidder: 'appnexus', params: { placementId: '11654156' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, While scientists and engineers could make polymers, it wasn't until 1922 that an explanation was proposed for how they formed. iasLog("criterion : cdo_ptl = entry-lcp"); { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build(); googletag.pubads().setTargeting("cdo_c", ["science_geographic_locales"]); Scripts - Physical Chemistry of Polymers 1 (login with your JGU account). googletag.pubads().enableSingleRequest(); type: "html5", { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, iasLog("criterion : cdo_pt = entry"); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, dfpSlots['topslot_a'] = googletag.defineSlot('/2863368/topslot', [], 'ad_topslot_a').defineSizeMapping(mapping_topslot_a).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'center').addService(googletag.pubads()); { bidder: 'appnexus', params: { placementId: '11654149' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, The process to make it was devised in 1862 by British chemist Alexander Parkes (1812–1890). Les polymères (étymologie : du grec polus, plusieurs, et meros, partie) constituent une classe de matériaux. { bidder: 'sovrn', params: { tagid: '705055' }}, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, var mapping_rightslot2 = googletag.sizeMapping().addSize([746, 0], [[300, 250], [120, 600], [160, 600]]).addSize([0, 0], []).build(); polysaccharides. googletag.pubads().setTargeting("cdo_pt", "entry"); dfpSlots['rightslot'] = googletag.defineSlot('/2863368/rightslot', [[300, 250]], 'ad_rightslot').defineSizeMapping(mapping_rightslot).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').addService(googletag.pubads()); googletag.pubads().setTargeting("cdo_dc", "english"); "authorizationTimeout": 10000 These solutions provide qualitative insight for the process of secondary oil recovery if the. var pbAdUnits = getPrebidSlots(curResolution); dfpSlots['houseslot_b'] = googletag.defineSlot('/2863368/houseslot', [], 'ad_houseslot_b').defineSizeMapping(mapping_houseslot_b).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').setCategoryExclusion('house').addService(googletag.pubads()); dfpSlots['rightslot2'] = googletag.defineSlot('/2863368/rightslot2', [[300, 250], [120, 600], [160, 600]], 'ad_rightslot2').defineSizeMapping(mapping_rightslot2).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').addService(googletag.pubads()); { bidder: 'sovrn', params: { tagid: '346698' }}, { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, { The vulcanization of rubber was another big achievement in polymer chemistry. }, name: "idl_env", { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, Submit your article Opens in new window Information and templates for authors Search this journal. {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50], [320, 100]] } }, A polymer (/ ˈ p ɒ l ɪ m ər /; Greek poly-, "many" + -mer, "part") is a substance or material consisting of very large molecules, or macromolecules, composed of many repeating subunits. Improve your vocabulary with English Vocabulary in Use from Cambridge.Learn the words you need to communicate with confidence. { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, },{ Addition polymer definition, a polymer formed by the direct reaction of two or more monomers, and with no resulting water or other by-product. { bidder: 'ix', params: { siteId: '195467', size: [320, 50] }}, La fabrication d'une éolienne fait intervenir le moulage de composites résines / renforts. googletag.pubads().setCategoryExclusion('lcp').setCategoryExclusion('resp').setCategoryExclusion('wprod'); These are words often used in combination with polymer. to improve something or someone by working on or changing various parts, I can’t hear myself think: more interesting ways of saying ‘noisy’, Clear explanations of natural written and spoken English. name: "identityLink", • Chemists also call them macro-molecules. In addition to explaining how polymers work, Staudinger also proposed the name macromolecules to describe polymers. "noPingback": true, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, Todd Helmenstine Science. // FIXME: (temporary) - send ad requests only if PlusPopup is not shown 'max': 30, Synthetic polymers are prepared by a chemical reaction, often in a lab. { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, name: "pbjs-unifiedid", pid: '94' { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, dfpSlots['btmslot_a'] = googletag.defineSlot('/2863368/btmslot', [[300, 250], 'fluid'], 'ad_btmslot_a').defineSizeMapping(mapping_btmslot_a).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').addService(googletag.pubads()); type: "cookie", { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, { bidder: 'ix', params: { siteId: '195451', size: [320, 50] }}, priceGranularity: customGranularity, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, googletag.pubads().setTargeting("cdo_l", "en"); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, The process of vulcanizing rubber by adding sulfur and applying heat was described by British engineer Thomas Hancock (1786–1865) in 1843 (UK patent) and American chemist Charles Goodyear (1800–1860) in 1844. { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, He treated the natural polymer cellulose with nitric acid and a solvent. • The small building-block molecules are called monomers. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, The modern understanding of polymers as macromolecules was proposed by German organic chemist Hermann Staudinger (1881–1965) in 1920. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, Polymer, any of a class of natural or synthetic substances composed of very large molecules that are multiples of simpler chemical units. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, 'min': 8.50, Thermoset plastics tend to be rigid and have high molecular weights. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, Les molécules initiales peuvent être des monomères ou des pré-polymères ; la synthèse conduit à des polymères. {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } },
2020 polymer chemistry meaning