Synthesis, Characterization, and Application of Poly[Substituted Methylene]S
Synthesis, Characterization, and Application of Poly[Substituted Methylene]S
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聚[取代亚甲基]S的合成、表征及应用
DOI：
10.1080/00222338808053383
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发表时间：
1988
期刊：
影响因子：
--
通讯作者：
A. Matsumoto
中科院分区：
文献类型：
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作者：
T. Otsu;T. Yasuhara;A. Matsumoto
反丁烯二酸衍生物，如反丁烯二酸二烷基酯的自由基聚合得到了由较少或非柔性取代的聚亚甲基结构组成的聚合物。所产生的聚合物的产率和分子量随着酯取代基的体积增加而增加。当富马酸二叔丁酯与偶氮环己烷甲腈（20 mmol/L）在80°C下本体聚合6 h时，聚合物的Mn大于100 000，产率大于80%。所获得的聚合物为无色粉末，并且在250°C下降解之前不熔融，但它们可溶于诸如苯、四氯化碳、四氢呋喃和二氧六环的有机溶剂中。从甲苯溶液中得到透明的脆性薄膜或纤维。这些聚合物的一些性能和应用的可能性进行了描述和讨论。
Abstract Radical polymerization of fumaric acid derivatives, such as dialkyl fumarates, gave polymers consisting of a less-or nonflexible substituted polymethylene structure. The yield and molecular weight of the polymers produced increased as the bulkiness of the ester substituents increased. For example, when di-t-butyl fumarate was polymerized in bulk with azocyclohexanecarbonitrile (20 mmol/L) at 80°C for 6 h, polymer with M n of more than 100 000 was produced in more than 80% yield. The polymers obtained were colorless powders and did not melt before degradation at ∼250°C, but they were soluble in such organic solvents as benzene, carbon tetrachloride, tetrahydrofuran, and dioxane. A transparent brittle film or fiber was obtained from toluene solution. Some properties and possibilities for application of these polymers are described and discussed.