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专利名称：Polypropylene acrylic graft polymers stable to thermal oxidation and process for
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preparation thereof
发明人：NIYOGI, Suhas, G.依赖是什么意思
申请号：EP99936922.6
申请日：19990729
英语沙龙杂志公开号：EP1023346B1
公开日：rank什么意思
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上海开学时间
20041013
专利内容由知识产权出版社提供
摘要：The thermal oxidative stability of acrylic grafted polymers is improved by (a) graft polymerizing monomers lected from the group consisting of (i) an ester or salt of an unsubstituted or 1-3 C alkyl-substituted acrylic acid and (ii) an ester or salt of an unsubstituted or 1-3 C alkyl-substituted acrylic acid and about 1 to about 10 mole %, bad on the total monomers added, of an unsubstituted or 1-3 C alkyl-substituted acrylic acid, to a backbone of a propylene polymer material in the prence of a 4-vinyl-substituted 5-12 C cyclic 1-alkene, wherein the total amount of polymerized monomer is about 20 to about 200 parts per hundred parts of the propylene polymer material and the vinyl-substituted cyclic alkene is prent in an amount of about 1 mole % to about 30 mole %, bad on the total moles of monomer added, and (b) removing any unreacted grafting monomer from the resulting grafted propylene polymer material, decomposing any unreacted initiator, and deactivating any residual free radicals in the material, wherein steps (a) and (b) are carried out in a substantially non-oxidizing environment.
申请人：BASELL POLIOLEFINE SPA
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地址：IT
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国籍：IT
代理机构：Colucci, Giuppe 更多信息请下载全文后查看
