MISCIBLE BINARY BLENDS CONTAINING THE POLYHYDROXY ETHER OF BISPHENOL-A AND VARIOUS ALIPHATIC POLYESTERS
MISCIBLE BINARY BLENDS CONTAINING THE POLYHYDROXY ETHER OF BISPHENOL-A AND VARIOUS ALIPHATIC POLYESTERS
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DOI：
10.1002/app.1982.070270305
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发表时间：
1982-01-01
影响因子：
3
通讯作者：
BARLOW, JW
中科院分区：
文献类型：
--
作者：
HARRIS, JE;GOH, SH;BARLOW, JW
发现双酚A的多羟基醚（Phenoxy）与聚酯聚（己二酸1，4-丁二醇酯）、聚（己二酸乙二酯）、聚（琥珀酸2，2-二甲基-1，3-丙二酯）、聚（己二酸2，2-二甲基-1，3-丙二酯）、聚（琥珀酸1，4-环己烷-二甲醇酯）和聚（ε-己内酯）的共混物表现出可混体系的单一的、组成依赖的玻璃化转变温度特征。苯氧基共混物含有聚（丁二酸乙二醇酯），聚（丁二酸丁二醇酯），或聚（新戊内酯）被发现是不混溶的。共混物相互作用参数，从分析的熔点下降所观察到的混溶性共混物含有可结晶的聚酯组分，发现不同的聚酯化学结构，从而建议在聚酯链中的酯基的最佳密度，以实现最大的相互作用与苯氧基。太多或太少的酯基导致不混溶的聚酯-苯氧基共混物。
Blends of the polyhydroxy ether of bisphenol‐A, Phenoxy, with the polyesters poly(1,4‐butylene adipate), poly(ethylene adipate), poly(2,2‐dimethyl‐1,3‐propylene succinate), poly(2,2‐dimethyl‐1, 3‐propylene adipate), poly(1,4‐cyclohexane‐dimethanol succinate), and poly(ϵ‐caprolactone), are found to exhibit the single, composition‐dependent glass transition temperatures characteristic of miscible systems. Phenoxy blends containing poly(ethylene succinate), poly(hexamethylene succinate), or poly(pivaloactone) were found to be immiscible. Blend interaction parameters, obtained from analysis of the melting‐point depressions observed for miscible blends containing crystallizable polyester components, are found to vary with polyester chemical structure so as to suggest an optimum density of ester groups in the polyester chain for achieving maximum interaction with Phenoxy. Too many or too few ester groups lead to immiscible polyester–Phenoxy blends.