组分对共聚物片段光学各向异性的影响

Bulletin of the Moscow State Regional University Pub Date : 1900-01-01 DOI:10.18384/2310-7251-2017-1-90-99

A. Dadivanyan, A. Sokolov, Elena Vasil’chikova, D. Bogdanov

{"title":"组分对共聚物片段光学各向异性的影响","authors":"A. Dadivanyan, A. Sokolov, Elena Vasil’chikova, D. Bogdanov","doi":"10.18384/2310-7251-2017-1-90-99","DOIUrl":null,"url":null,"abstract":"Values of segmental optical anisotropy of macromolecules of vinyl acetate – vinyl alcohol copolymers are determined by the photoelasticity method. It is shown that in the range of 0,2 – 0,75 mole fraction of vinyl alcohol units, the dependence of segmental optical anisotropy of copolymers on their composition is essentially nonlinear. It is found that the transition of PVA conformation into PVAl conformation proceeds in the same composition range.","PeriodicalId":218763,"journal":{"name":"Bulletin of the Moscow State Regional University","volume":"14 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"EFFECT OF COMPOSITION ON SEGMENTAL OPTICAL ANISOTROPY OF COPOLYMERS\",\"authors\":\"A. Dadivanyan, A. Sokolov, Elena Vasil’chikova, D. Bogdanov\",\"doi\":\"10.18384/2310-7251-2017-1-90-99\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Values of segmental optical anisotropy of macromolecules of vinyl acetate – vinyl alcohol copolymers are determined by the photoelasticity method. It is shown that in the range of 0,2 – 0,75 mole fraction of vinyl alcohol units, the dependence of segmental optical anisotropy of copolymers on their composition is essentially nonlinear. It is found that the transition of PVA conformation into PVAl conformation proceeds in the same composition range.\",\"PeriodicalId\":218763,\"journal\":{\"name\":\"Bulletin of the Moscow State Regional University\",\"volume\":\"14 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bulletin of the Moscow State Regional University\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.18384/2310-7251-2017-1-90-99\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Moscow State Regional University","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.18384/2310-7251-2017-1-90-99","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 0

摘要

用光弹性法测定了醋酸乙烯-乙烯醇共聚物大分子的光学各向异性。结果表明，在乙烯醇单元的0.2 ~ 0.75摩尔分数范围内，共聚物的光学各向异性对其组成的依赖本质上是非线性的。发现PVA构象向PVAl构象的转变在相同的组成范围内进行。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

EFFECT OF COMPOSITION ON SEGMENTAL OPTICAL ANISOTROPY OF COPOLYMERS

Values of segmental optical anisotropy of macromolecules of vinyl acetate – vinyl alcohol copolymers are determined by the photoelasticity method. It is shown that in the range of 0,2 – 0,75 mole fraction of vinyl alcohol units, the dependence of segmental optical anisotropy of copolymers on their composition is essentially nonlinear. It is found that the transition of PVA conformation into PVAl conformation proceeds in the same composition range.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Bulletin of the Moscow State Regional University

自引率

0.00%

发文量