{"title":"含大杂环配体的液晶聚合物。4. 1,2 -双(2 -乙基氧氧乙氧基)苯与介形乙烯醚的阳离子环聚合合成含冠醚的介形聚合物","authors":"R. Rodenhouse, V. Percec, A. Feiring","doi":"10.1002/POL.1990.140281105","DOIUrl":null,"url":null,"abstract":"Cationic cyclopolymerization, polymerization and/or cyclocopolymerization of 1,2-bis(2-ethenyloxyethoxy)benzene (DVE), 11- [(4′-cyano-4-biphenyl)oxy]undecanyl vinylether (CVE), and 3 - [2 - (1,2,2- trifluoroethoxy - 2 - (4- methoxy - 4′- (α - methylstilbene)oxy)) - 1 - (trifluorometh - yl)trifluoroethoxy] - 1 - [2-(ethenyloxy)ethoxy]-2,2,3,3-tetrafluoropropane (MVE) initiated with H2O/EtAlCl2/S(CH3)2 lead to polymers and copolymers with narrow molecular weight distribution. Poly (DVE) is amorphous, while poly(CVE) and poly(MVE) display a SA and crystalline mesophase. The poly(DVE-co-MVE)s are amorphous. Poly(DVE-co-CVE)s containing 50 mol % and above of CVE structural units displays a SA mesophase.","PeriodicalId":16874,"journal":{"name":"Journal of Polymer Science: Polymer Letters Edition","volume":"186 1","pages":"345-355"},"PeriodicalIF":0.0000,"publicationDate":"1990-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"34","resultStr":"{\"title\":\"Liquid crystal polymers containing macroheterocyclic ligands. 4. Synthesis of mesomorphic polymers containing crown ethers by cationic cyclocopolymerization of 1,2‐bis(2‐ethenyloxyethoxy)benzene with mesogenic vinyl ethers\",\"authors\":\"R. Rodenhouse, V. Percec, A. Feiring\",\"doi\":\"10.1002/POL.1990.140281105\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Cationic cyclopolymerization, polymerization and/or cyclocopolymerization of 1,2-bis(2-ethenyloxyethoxy)benzene (DVE), 11- [(4′-cyano-4-biphenyl)oxy]undecanyl vinylether (CVE), and 3 - [2 - (1,2,2- trifluoroethoxy - 2 - (4- methoxy - 4′- (α - methylstilbene)oxy)) - 1 - (trifluorometh - yl)trifluoroethoxy] - 1 - [2-(ethenyloxy)ethoxy]-2,2,3,3-tetrafluoropropane (MVE) initiated with H2O/EtAlCl2/S(CH3)2 lead to polymers and copolymers with narrow molecular weight distribution. Poly (DVE) is amorphous, while poly(CVE) and poly(MVE) display a SA and crystalline mesophase. The poly(DVE-co-MVE)s are amorphous. Poly(DVE-co-CVE)s containing 50 mol % and above of CVE structural units displays a SA mesophase.\",\"PeriodicalId\":16874,\"journal\":{\"name\":\"Journal of Polymer Science: Polymer Letters Edition\",\"volume\":\"186 1\",\"pages\":\"345-355\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"34\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Polymer Science: Polymer Letters Edition\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1002/POL.1990.140281105\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Polymer Science: Polymer Letters Edition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/POL.1990.140281105","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Liquid crystal polymers containing macroheterocyclic ligands. 4. Synthesis of mesomorphic polymers containing crown ethers by cationic cyclocopolymerization of 1,2‐bis(2‐ethenyloxyethoxy)benzene with mesogenic vinyl ethers
Cationic cyclopolymerization, polymerization and/or cyclocopolymerization of 1,2-bis(2-ethenyloxyethoxy)benzene (DVE), 11- [(4′-cyano-4-biphenyl)oxy]undecanyl vinylether (CVE), and 3 - [2 - (1,2,2- trifluoroethoxy - 2 - (4- methoxy - 4′- (α - methylstilbene)oxy)) - 1 - (trifluorometh - yl)trifluoroethoxy] - 1 - [2-(ethenyloxy)ethoxy]-2,2,3,3-tetrafluoropropane (MVE) initiated with H2O/EtAlCl2/S(CH3)2 lead to polymers and copolymers with narrow molecular weight distribution. Poly (DVE) is amorphous, while poly(CVE) and poly(MVE) display a SA and crystalline mesophase. The poly(DVE-co-MVE)s are amorphous. Poly(DVE-co-CVE)s containing 50 mol % and above of CVE structural units displays a SA mesophase.
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