{"title":"大孔苯乙烯-二乙烯基苯共聚物氯甲基化过程中悬垂乙烯基的空间分布","authors":"M. Bacquet, C. Caze, J. Laureyns, C. Bremard","doi":"10.1016/0167-6989(88)90030-X","DOIUrl":null,"url":null,"abstract":"<div><p>During chloromethylation of macroporous styrene-divinylbenzene copolymers, postreticulation of unreacted vinyl groups takes place as side reaction. Local molecular analysis by Roman microspectrometry showed that the distribution of pendent vinyl groups inside the copolymers heads after chloromethylation was heterogeneous. The relationship between the distribution of chlorine-containing groups and vinyl groups was studied, and their inhomogeneous distribution explained by the textural heterogeneity of the heads and by postreticulation affecting the centre more than the periphery of the heads.</p></div>","PeriodicalId":101060,"journal":{"name":"Reactive Polymers, Ion Exchangers, Sorbents","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1988-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-6989(88)90030-X","citationCount":"6","resultStr":"{\"title\":\"Spatial distribution of pendent vinyl groups during chloromethylation of macroporous styrene-divinylbenzene copolymers\",\"authors\":\"M. Bacquet, C. Caze, J. Laureyns, C. Bremard\",\"doi\":\"10.1016/0167-6989(88)90030-X\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>During chloromethylation of macroporous styrene-divinylbenzene copolymers, postreticulation of unreacted vinyl groups takes place as side reaction. Local molecular analysis by Roman microspectrometry showed that the distribution of pendent vinyl groups inside the copolymers heads after chloromethylation was heterogeneous. The relationship between the distribution of chlorine-containing groups and vinyl groups was studied, and their inhomogeneous distribution explained by the textural heterogeneity of the heads and by postreticulation affecting the centre more than the periphery of the heads.</p></div>\",\"PeriodicalId\":101060,\"journal\":{\"name\":\"Reactive Polymers, Ion Exchangers, Sorbents\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0167-6989(88)90030-X\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Reactive Polymers, Ion Exchangers, Sorbents\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/016769898890030X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Reactive Polymers, Ion Exchangers, Sorbents","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/016769898890030X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Spatial distribution of pendent vinyl groups during chloromethylation of macroporous styrene-divinylbenzene copolymers
During chloromethylation of macroporous styrene-divinylbenzene copolymers, postreticulation of unreacted vinyl groups takes place as side reaction. Local molecular analysis by Roman microspectrometry showed that the distribution of pendent vinyl groups inside the copolymers heads after chloromethylation was heterogeneous. The relationship between the distribution of chlorine-containing groups and vinyl groups was studied, and their inhomogeneous distribution explained by the textural heterogeneity of the heads and by postreticulation affecting the centre more than the periphery of the heads.
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