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    • 1. 发明申请
    • PROCESS FOR PREPARING BRANCHED POLYMER
    • 制备分支聚合物的方法
    • US20140256898A1
    • 2014-09-11
    • US14353112
    • 2012-08-14
    • Bibiao JiangWenyan HuangHongjun YangXiaoqiang Xue
    • Bibiao JiangWenyan HuangHongjun YangXiaoqiang Xue
    • C08F220/30C08F220/28
    • C08F220/30C08F12/08C08F220/28C08G83/005C08L101/005C08F4/34C08F212/08C08F220/18C08F2220/281C08F218/08C08F220/14
    • A process for preparing a branched polymer, belonging to the fields of polymer synthesis and preparation of functional polymers. A vinyl monomer, such as styrene, toluene (benzene, xylene) as a solvent, is subjected to a self-initiated free radical polymerization at 60˜100° C. with a new type of compound (methyl (meth)acrylate peroxide) as the initiator and the branched monomer containing both polymerisable double bond and peroxide bond, which can be used to synthesize the branched polymers. The degree of branching of the polymer can be adjusted by adjusting the molar ratio of the new type of compound to polymerisable monomer. The process for preparing a branched polymer is carried out under the conditions of conventional free radical polymerization without the addition of the branched monomer and other assist initiators. The polymerization is simple and feasible, has a high monomer conversion, a controllable degree of branching for the polymer, and is highly suitable for synthesizing branched polymers from various monomers. Another advantage of this process is its low production cost.
    • 一种制备支链聚合物的方法,属于聚合物合成领域和官能聚合物的制备。 将乙烯基单体如苯乙烯,甲苯(苯,二甲苯)作为溶剂,在60〜100℃下用新型的化合物(甲基(甲基)丙烯酸酯过氧化物)进行自引发的自由基聚合,如 含有可聚合双键和过氧化物键的引发剂和支链单体,其可用于合成支化聚合物。 可以通过调节新型化合物与可聚合单体的摩尔比来调节聚合物的支化度。 制备支化聚合物的方法在常规自由基聚合的条件下进行,而不加入支化单体和其它辅助引发剂。 聚合是简单和可行的,具有高的单体转化率,聚合物的可控度支化度,并且非常适用于从各种单体合成支链聚合物。 该方法的另一个优点是其低的生产成本。