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杂萘联苯聚醚砜及其磺化物溶解度参数

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2009-05-15

Journal: 大连理工大学学报

Included Journals: Scopus、CSCD、ISTIC、PKU、EI

Volume: 49

Issue: 3

Page Number: 322-326

ISSN: 1000-8608

Key Words: 杂萘联苯;聚醚砜;基团贡献法;溶解度参数;磺化

Abstract: 用基团贡献法通过拆分计算出"=N-"的基团贡献数据Fdi、Fpi、Ehi值,并对杂萘联苯聚醚砜及磺化杂萘联苯聚醚砜的三维溶解度参数进行计算,得出了不同磺化度磺化杂萘联苯聚醚砜三维溶解度参数各分量δd、δp和δh的计算公式.结果表明,随着磺化度的提高,磺化杂萘联苯聚醚砜的三维溶解度参数中δh分量显著提高.δp分量略有增加.而δd分量变化不明显.磺化聚合物的溶解区域向高δh方向移动.计算结果与实验结果吻合较好,对以后实验中溶剂的选择有重要的指导意义.

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