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英语翻译Well-defined poly(methyl methacrylate)grafted to polyeth

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英语翻译
Well-defined poly(methyl methacrylate)grafted to polyethylene with reverseatom transfer radical polymerization initiated by peroxides
还有这个,求翻译The heating the irradiated polymer in the monomer initiates the polymerization,which is in the category of graft-from.However,it had been difficult to obtain the well-defined molecular weight of grafted polymer because the side reactions such as are combination,a disproportionation,a cross-linking and a chain scission,resulting in loss of mechanical properties.
通过由过氧化物引发的反向原子转移自由基聚合法与聚乙烯接枝的、确定的聚(甲基丙烯酸甲酯)
受辐照聚合物单体中的发热引发了聚合作用,这属于从主干接枝法的范畴.然而,一直很难得到接枝聚合物的确定的分子量,因为像结合、歧化、交联和链的断裂等副反应,导致了机械性能的损失.
受辐照聚合物单体中的发热引发了聚合作用(这一句语法上有点问题,不知是否打字遗漏了,这是根据意思猜的)