UCST PHASE-BEHAVIOR AND THE MISCIBILITY VALLEY IN BLENDS OF POLY(VINYL ETHYLENE-CO-1,4-BUTADIENE) AND HYDROGENATED TERPENE RESIN

被引：10

作者：

KAWAHARA, S ^{[1
]}

AKIYAMA, S ^{[1
]}

机构：

[1] TOKYO UNIV AGR & TECHNOL,FAC GEN EDUC,CHEM LAB,3-5-8 SAIWAI CHO,FUCHU,TOKYO 183,JAPAN

来源：

MACROMOLECULES | 1993年 / 26卷 / 10期

关键词：

D O I：

10.1021/ma00062a006

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The phase behavior of blends of hydrogenated terpene resin and polybutadiene with various 1,2-unit contents was investigated by customary cloud point measurements. UCST type phase diagrams were drawn for the seven polybutadienes for which 1,2-unit content was varied. The Flory-Huggins interaction parameters, chi(ij), were determined by fitting the cloud points with binodal curves. By means of the mean field approximation, the locus of the UCSTs was simulated against copolymer composition, using the determined chi(ij) parameters. The new miscible concave curve, namely the miscibility valley, against copolymer composition at the critical blend composition was found in the present study.

引用

页码：2428 / 2432

页数：5

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