Stig E. Friberg , Bing Yu , Ahsan U. Ahmed , Gregory A. Campbell
{"title":"非水溶性液晶中的聚合:不饱和位点的影响","authors":"Stig E. Friberg , Bing Yu , Ahsan U. Ahmed , Gregory A. Campbell","doi":"10.1016/0166-6622(93)80005-Z","DOIUrl":null,"url":null,"abstract":"<div><p>Two surfactants, bis[2-(dodecyloxycarbonyl)ethyl](<em>p</em>-vinylbenzoyl)methylammonium chloride (SI) and bis[2-(10-undecenoyloxycarbonyl)ethyl](<em>p</em>-methylbenzoyl)methylammonium chloride (SII) were synthesized and copolymerized with polar and non-polar monomers to form regularly layered structures.</p><p>The results showed a pronounced difference between the two surfactants. SI with the double bond close to the polar group accepted a large number of monomers, in contrast to the behavior of SII. For SI the polymerization changed the conformation of the <em>p</em>-vinylbenzoyl group depending on the location of the added monomer while copolymerization of the monomers with SII gave no significant change.</p><p>A comparison with earlier results from bis[2-(10-undecenoyloxycarbonyl)ethyl](<em>p</em>-vinylbenzoyl)methylammonium chloride provided proof of copolymerization of all the groups.</p></div>","PeriodicalId":10488,"journal":{"name":"Colloids and Surfaces","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1993-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0166-6622(93)80005-Z","citationCount":"9","resultStr":"{\"title\":\"Polymerization in non-aqueous lyotropic liquid crystals: Influence of the unsaturation site\",\"authors\":\"Stig E. Friberg , Bing Yu , Ahsan U. Ahmed , Gregory A. Campbell\",\"doi\":\"10.1016/0166-6622(93)80005-Z\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Two surfactants, bis[2-(dodecyloxycarbonyl)ethyl](<em>p</em>-vinylbenzoyl)methylammonium chloride (SI) and bis[2-(10-undecenoyloxycarbonyl)ethyl](<em>p</em>-methylbenzoyl)methylammonium chloride (SII) were synthesized and copolymerized with polar and non-polar monomers to form regularly layered structures.</p><p>The results showed a pronounced difference between the two surfactants. SI with the double bond close to the polar group accepted a large number of monomers, in contrast to the behavior of SII. For SI the polymerization changed the conformation of the <em>p</em>-vinylbenzoyl group depending on the location of the added monomer while copolymerization of the monomers with SII gave no significant change.</p><p>A comparison with earlier results from bis[2-(10-undecenoyloxycarbonyl)ethyl](<em>p</em>-vinylbenzoyl)methylammonium chloride provided proof of copolymerization of all the groups.</p></div>\",\"PeriodicalId\":10488,\"journal\":{\"name\":\"Colloids and Surfaces\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-01-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0166-6622(93)80005-Z\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Colloids and Surfaces\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/016666229380005Z\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Colloids and Surfaces","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/016666229380005Z","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Polymerization in non-aqueous lyotropic liquid crystals: Influence of the unsaturation site
Two surfactants, bis[2-(dodecyloxycarbonyl)ethyl](p-vinylbenzoyl)methylammonium chloride (SI) and bis[2-(10-undecenoyloxycarbonyl)ethyl](p-methylbenzoyl)methylammonium chloride (SII) were synthesized and copolymerized with polar and non-polar monomers to form regularly layered structures.
The results showed a pronounced difference between the two surfactants. SI with the double bond close to the polar group accepted a large number of monomers, in contrast to the behavior of SII. For SI the polymerization changed the conformation of the p-vinylbenzoyl group depending on the location of the added monomer while copolymerization of the monomers with SII gave no significant change.
A comparison with earlier results from bis[2-(10-undecenoyloxycarbonyl)ethyl](p-vinylbenzoyl)methylammonium chloride provided proof of copolymerization of all the groups.
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