expires: 365 { bidder: 'sovrn', params: { tagid: '346698' }}, ga('send', 'pageview'); Add polymer to one of your lists below, or create a new one. iasLog("exclusion label : wprod"); A polymer is a large molecule made up of chains or rings of linked repeating subunits, which are called monomers. storage: { 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, type: "html5", { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; He treated the natural polymer cellulose with nitric acid and a solvent. The simplest definition of a polymer is a useful chemical made of many repeating units. { bidder: 'sovrn', params: { tagid: '446381' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, { bidder: 'ix', params: { siteId: '195467', size: [320, 50] }}, Find an article. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, "plastics"). bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, Define polymer. { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, googletag.pubads().setCategoryExclusion('lcp').setCategoryExclusion('resp').setCategoryExclusion('wprod'); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, var mapping_houseslot_b = googletag.sizeMapping().addSize([963, 0], []).addSize([0, 0], [300, 250]).build(); { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, See more. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, Natural polymers have been used since ancient times, but mankind's ability to intentionally synthesize polymers is a fairly recent development. var pbMobileHrSlots = [ { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, Click on a collocation to see more examples of it. userIds: [{ {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, },{ bidderSequence: "fixed" Page . { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, expires: 60 iasLog("criterion : cdo_tc = resp"); They are found widely in the natural world (e.g. var mapping_rightslot2 = googletag.sizeMapping().addSize([746, 0], [[300, 250], [120, 600], [160, 600]]).addSize([0, 0], []).build(); googletag.pubads().setTargeting("cdo_pt", "entry"); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, { bidder: 'sovrn', params: { tagid: '387232' }}, ga('set', 'dimension2', "entryex"); pbjs.que.push(function() { 'max': 3, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, { bidder: 'sovrn', params: { tagid: '705055' }}, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, 'cap': true { bidder: 'sovrn', params: { tagid: '446382' }}, polymer synonyms, polymer pronunciation, polymer translation, English dictionary definition of polymer. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, Click on the arrows to change the translation direction. { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, name: "unifiedId", { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, polymer definition: 1. a chemical substance consisting of large molecules made from many smaller and simpler molecules…. }, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, Add the power of Cambridge Dictionary to your website using our free search box widgets. Book: Polymer Chemistry (Schaller) 1: Monomers and Polymers Expand/collapse global location ... We can think of these polymers as "co-polymers", meaning they are formed from more than one kind of monomer. { bidder: 'sovrn', params: { tagid: '387232' }}, { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, iasLog("exclusion label : lcp"); 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. { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, { bidder: 'sovrn', params: { tagid: '346688' }}, A polymer is a large molecule made up of chains or rings of linked repeating subunits, which are called monomers. name: "pbjs-unifiedid", Examples of thermoset plastics include epoxy, polyester, acrylic resins, polyurethanes, and vinyl esters. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, This model accounts for the empirical observation that at high shears polymers align and slide more easily than at low shears. { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, { bidder: 'sovrn', params: { tagid: '346693' }}, Browse our dictionary apps today and ensure you are never again lost for words. // FIXME: (temporary) - send ad requests only if PlusPopup is not shown These are words often used in combination with polymer. Thermoset plastics tend to be rigid and have high molecular weights. { bidder: 'sovrn', params: { tagid: '387232' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, initAdSlotRefresher(); } const customGranularity = { googletag.cmd.push(function() { Polymers are long chain macromolecules built from repeated smaller chemical structures or '-mers.' 2016 - vol. Glossary of Polymer Terminology. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, var pbDesktopSlots = [ "login": { {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; { bidder: 'ix', params: { siteId: '195451', size: [320, 50] }}, priceGranularity: customGranularity, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; The branch of chemistry concerned with the preparation and properties of polymers. iasLog("criterion : sfr = cdo_dict_english"); type: "cookie", Goal. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, storage: { pid: '94' name: "identityLink", { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, },{ { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, Figure 13 shows the mean velocity profiles for x-locations between 25 and 200 mm downstream of the injectors during, A ramp-filling procedure applied to filling, If liquid paint with volatile solvent is deposited on a substrate, we can assume that initially the, The targeting ligand is covalently coupled to the drug, making the efficiency of drug loading and uptake comparatively lower than in. {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, "authorizationFallbackResponse": { { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, userSync: { There appears to be no correlation between the fitted relaxation time and the. The figure on the right shows iso-density contours of the amphiphilic polymers. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, googletag.pubads().setTargeting("cdo_tc", "resp"); Synthetic polymers may be grouped into two categories. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, The first man-made plastic was nitrocellulose. partner: "uarus31" Homopolymer Definition in Chemistry Share Flipboard Email Print This is the chemical structure of the homopolymer polyvinyl chloride. { bidder: 'appnexus', params: { placementId: '11654156' }}, iasLog("exclusion label : resp"); { bidder: 'sovrn', params: { tagid: '346688' }}, Polymers may be divided into two categories. polysaccharides. iasLog("criterion : cdo_ei = polymer"); var pbTabletSlots = [ { bidder: 'sovrn', params: { tagid: '705055' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, var mapping_houseslot_a = googletag.sizeMapping().addSize([963, 0], [300, 250]).addSize([0, 0], []).build(); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, 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()); {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'ix', params: { siteId: '195464', size: [300, 600] }}, }; {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, "loggedIn": false { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, ga('create', 'UA-31379-3',{cookieDomain:'dictionary.cambridge.org',siteSpeedSampleRate: 10}); Title: POLYMER CHEMISTRY 1 POLYMER CHEMISTRY. Polymers usually have high melting and boiling points. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, iasLog("criterion : cdo_c = " + ["science_geographic_locales"]); var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build(); 9. Polymer definition: A polymer is a chemical compound with large molecules made of many smaller molecules of... | Meaning, pronunciation, translations and examples } She has taught science courses at the high school, college, and graduate levels. 11. window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date; {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, ga('set', 'dimension3', "combinationPanel"); pbjsCfg = { 'buckets': [{ { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, },{ Because the molecules consist of many monomers, polymers tend to have high molecular masses. A Presentation for the ; Introductory Seminar in Chemistry ; The University of Akron ; October 15, 2008 ; Traian-Ovidiu Gheorghiu; 2 What is a polymer ? { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, Définitions de Polymer Chemistry, synonymes, antonymes, dérivés de Polymer Chemistry, dictionnaire analogique de Polymer Chemistry (français) { bidder: 'appnexus', params: { placementId: '11654156' }}, Submit your article Opens in new window Information and templates for authors Search this journal. }); proteins, rubber, cellulose) and, increasingly the past century, in synthetic form (e.g. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, name: "idl_env", { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, storage: { { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, The plastic stays out of shape when deformed and typically decompose before they melt. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. 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. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, iasLog("criterion : cdo_l = en"); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, Définition POLYMERE publiée le 10/01/2008 (mise à jour le 25/10/2020), par l'équipe d'auteurs-rédacteurs. enableSendAllBids: false, 7. In addition to explaining how polymers work, Staudinger also proposed the name macromolecules to describe polymers. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, Polymer… }, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, Le terme polymère désigne une molécule de masse moléculaire élevée généralement organique ou semi-organique. When nitrocellulose was treated with camphor, it produced celluloid, a polymer widely used in the film industry and as a moldable replacement for ivory. German chemist Friedrich Ludersdorf (1801–1886) and American inventor Nathaniel Hayward (1808–1865) independently found adding sulfur to natural rubber helped keep it from becoming sticky. { bidder: 'appnexus', params: { placementId: '19042093' }}, { bidder: 'appnexus', params: { placementId: '19042093' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; Todd Helmenstine Science. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, When nitrocellulose was dissolved in ether and alcohol, it became collodion. name: "pubCommonId", expires: 365 Lecture: Wed., 12:15 - 13:45, HS C03 Exercise: Tue., 13:00 - 13:45, Seminar room 107 . { bidder: 'ix', params: { siteId: '195467', size: [300, 50] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, Polymer definition is - a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units. syncDelay: 3000 { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, } En savoir plus. {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/2863368/leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600], [300, 600]] } }, Year. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, 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. 2017 - vol. var mapping_leftslot = googletag.sizeMapping().addSize([1063, 0], [[120, 600], [160, 600], [300, 600]]).addSize([963, 0], [[120, 600], [160, 600]]).addSize([0, 0], []).build(); { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, if(!isPlusPopupShown()) The recommended length is three printed journal pages. }, { bidder: 'appnexus', params: { placementId: '11653860' }}, 'max': 30, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, La fabrication d'une éolienne fait intervenir le moulage de composites résines / renforts. Marvel Award in Creative Polymer Chemistry. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, googletag.pubads().setTargeting('cdo_alc_pr', pl_p.split(",")); googletag.pubads().enableSingleRequest(); Full papers. googletag.pubads().setTargeting("sfr", "cdo_dict_english"); "sign-out": "https://dictionary.cambridge.org/auth/signout?rid=READER_ID" The word polymer comes from the Greek prefix poly-, which means "many," and the suffix -mer, which means "parts." if(refreshConfig.enabled == true) {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, googletag.cmd = googletag.cmd || [];

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