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    • 3. 发明授权
    • Process for producing unsaturated group-terminated isobutylene polymer
    • 制备不饱和基团的异丁烯聚合物的方法
    • US5811501A
    • 1998-09-22
    • US671198
    • 1996-06-27
    • Takeshi ChibaHiroshi FujisawaYoshimichi YamanakaYoshikuni DeguchiKazuya Yonezawa
    • Takeshi ChibaHiroshi FujisawaYoshimichi YamanakaYoshikuni DeguchiKazuya Yonezawa
    • C08F2/06C08F10/10
    • C08F10/10Y10S525/918
    • The present invention provides a novel halogen-free solvent system which can produce a good isobutylene polymer and can be easily reused. A novel process for the production of an isobutylene polymer is provided which comprises using a hydrocarbon solvent having a boiling point of not lower than 105.degree. C. and a melting point of not higher than -90.degree. C. Heretofore, a solvent system containing a halogenated hydrocarbon such as methylene chloride has been used for the production of an isobutylene polymer. However, such a solvent system has a great adverse effect on the environment. Therefore, a non-halogenated solvent is desirable. The present invention is characterized by the use of a hydrocarbon solvent as a reaction solvent. The resulting polymer has good properties. Further, compounds which are produced as by-products during the reaction can be easily removed, enabling the recycling of the solvent used. Thus, the production cost can be reduced.
    • 本发明提供了一种新型的无卤素溶剂体系,其可以产生良好的异丁烯聚合物并且可以容易地重复使用。 提供了一种生产异丁烯聚合物的新方法,其包括使用沸点不低于105℃,熔点不高于-90℃的烃溶剂。迄今为止,含有 卤代烃如二氯甲烷已被用于生产异丁烯聚合物。 然而,这种溶剂体系对环境有很大的不利影响。 因此,非卤化溶剂是理想的。 本发明的特征在于使用烃溶剂作为反应溶剂。 所得聚合物具有良好的性能。 此外,可以容易地除去在反应期间作为副产物生成的化合物,使得所用溶剂的再循环。 因此,可以降低生产成本。
    • 6. 发明授权
    • Process for producing curable vinyl polymer having silyl group
    • 制备具有甲硅烷基的可固化乙烯基聚合物的方法
    • US4334036A
    • 1982-06-08
    • US167657
    • 1980-07-11
    • Kazuya YonezawaHisao FurukawaMasaaki Azuma
    • Kazuya YonezawaHisao FurukawaMasaaki Azuma
    • C08F8/42C08F8/34C08F236/02
    • C08F8/42
    • A curable vinyl polymer having at least one silyl group of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each a hydrogen or a monovalent hydrocarbon radical having 1 to 10 carbon atoms, X is a group selected from halogen, alkoxy, acryloxy, aminoxy, phenoxy, thioalkoxy and amino groups; and "a" is a whole number equal to 0, 1 or 2, and having molecular weight of between 200 and 30,000, preferably between 1,500 and 25,000; and method for producing same, and products comprised of same; and wherein said method comprises reacting hydrosilane represented by the formula: ##STR2## wherein the same designations as above apply, with a polymer having carbon-carbon double bonds in the terminal or side chains of the polymer in which the main chain is a vinyl polymer having a molecular weight of between 200 and 30,000, and at a temperature of between 50.degree. and 150.degree. C.
    • 一种具有至少一个具有下式的甲硅烷基的可固化乙烯基聚合物:其中R 1和R 2各自为氢或具有1-10个碳原子的一价烃基,X为选自卤素,烷氧基,丙烯酰氧基,氨基 ,苯氧基,硫代烷氧基和氨基; 和“a”是等于0,1或2的整数,分子量在200至30,000之间,优选在1,500至25,000之间; 及其制造方法及其制造方法。 并且其中所述方法包括使由下式表示的氢硅烷:其中与上述相同的名称适用于具有碳 - 碳双键的聚合物的聚合物的末端或侧链中的聚合物,其中主链是乙烯基聚合物 分子量为200至30,000,温度为50至150℃。