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Peroxide-free grafting of homopolymers and copolymers of ethylene having densities less than 0.930 g/cm.sup.3, and use of the graft copolymers for the preparation of ionomers or adhesion promoters
Peroxide-free grafting of homopolymers and copolymers of ethylene having densities less than 0.930 g/cm.sup.3, and use of the graft copolymers for the preparation of ionomers or adhesion promoters
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机译:密度小于0.930 g / cm 3的乙烯均聚物和共聚物的无过氧化物接枝,以及该接枝共聚物在制备离聚物或增粘剂中的用途
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摘要
In a process for the peroxide-free grafting of ethylenically unsaturated carboxylic acids, carboxylic anhydrides and/or their derivatives to a homopolymer or copolymer of ethylene having a density less than 0.930 g/cm.sup.3, the monomers to be grafted are used in a concentration of from 0.01 to 0.5% by weight and the grafting reaction is carried out at from 210 to 300 C. in a conventional extruder or mixer in the absence of a free radical initiator. The graft copolymers are used for the preparation of ionomers and adhesion promoters.
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机译:在烯属不饱和羧酸,羧酸酐和/或其衍生物的无过氧化物接枝到密度小于0.930g / cm 3的乙烯的均聚物或共聚物的方法中,使用了要接枝的单体。接枝反应的浓度为0.01-0.5%(重量),接枝反应是在210-300℃下在常规的挤出机或混合机中在没有自由基引发剂的条件下进行的。接枝共聚物用于制备离聚物和增粘剂。
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