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Peroxide-free grafting of homopolymers and copolymers of ethylene having densities equal to or greater than 0.930 g/cm3, and use of the graft copolymers for the preparation of ionomers of adhesion promoters
Peroxide-free grafting of homopolymers and copolymers of ethylene having densities equal to or greater than 0.930 g/cm3, and use of the graft copolymers for the preparation of ionomers of adhesion promoters
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机译:密度等于或大于0.930 g / cm3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增粘剂离聚物中的用途
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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 equal to or greater 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:在将烯键式不饱和羧酸,羧酸酐和/或其衍生物无过氧化物接枝到密度等于或大于0.930 g / cm 3的乙烯的均聚物或共聚物中的过程中,单体是接枝的浓度为0.01-0.5%(重量),接枝反应是在常规的挤出机或混合机中在没有自由基引发剂的情况下在210-300℃下进行的。接枝共聚物用于制备离聚物和增粘剂。
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