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硅氧烷乳液聚合的研究Ⅲ.八甲基环四硅氧烷在阳离子乳液聚合过程中乳液颗粒的形成
引用本文:张兴华,杨亚君,刘香鸾.硅氧烷乳液聚合的研究Ⅲ.八甲基环四硅氧烷在阳离子乳液聚合过程中乳液颗粒的形成[J].高分子学报,1983,0(2):104-109.
作者姓名:张兴华  杨亚君  刘香鸾
作者单位:中国科学院化学研究所 (张兴华,杨亚君),中国科学院化学研究所(刘香鸾)
摘    要:八甲基环四硅氧烷(D_4)在阳离子乳液聚合过程中,首先被乳化成颗粒较大的“过渡粒子”,在这里以D_4的水解开环和加聚反应为主,然后转变为颗粒较小的稳定乳液粒子。聚合物端基≡SiOH的缩合反应主要在乳液粒子中进行。

收稿时间:1981-02-05

STUDIES ON EMULSION POLYMERIZATION OF SILOXANES Ⅲ. THE FORMATION OF EMULSION PARTICLES DURING THE CATIONIC EMULSION POLYMERIZATION OF OCTAMETHYLCYCLOTETRASILOXANE
Zhang Xing-hua,Yang Ya-jun,Liu Xiang-luan.STUDIES ON EMULSION POLYMERIZATION OF SILOXANES Ⅲ. THE FORMATION OF EMULSION PARTICLES DURING THE CATIONIC EMULSION POLYMERIZATION OF OCTAMETHYLCYCLOTETRASILOXANE[J].Acta Polymerica Sinica,1983,0(2):104-109.
Authors:Zhang Xing-hua  Yang Ya-jun  Liu Xiang-luan
Institution:Institute of Chemistry; Academia Sinica
Abstract:In the course of cationic emulsion polymerization, octamethylcyclotetrasiloxane (D4) is first emulsified into "transition particles" with bigger diameters, on the surface of which the ring-opening reaction of D4 and the addition of D4 to OH-ended siloxanes take place. The particles are then transformed into stable emulsion particles are transformed into stable emulsion particles with extremely small and uniform particle size. The condensation of OH-ends of the polydimethylsiloxanes proceeds predominantly in the emulsion particles.
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