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Ethylenepentene-1 copolymer, process for the prep

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专利内容由知识产权出版社提供

专利名称:Ethylene/pentene-1 copolymer, process for

the preparation of the same, and

ethylene/pentene-1 copolymer composition

发明人:Kioka, Mamoru, c/o Mitsui Petrochemical

Ind., Ltd.,Ueda, Takashi, c/o Mitsui

Petrochemical Ind., Ltd.,Yamada, Masaya, c/oMitsui Petrochemical Ind. Ltd.,Kohyama,Masaki, c/o Mitsui Petrochem. Ind.,Ltd.,Ikeyama, Seiichi, c/o Mitsui Petrochem.Ind., Ltd.,Akana, Yoshinori, c/o MitsuiPetrochem. Ind., Ltd.,Iwata, Kenji, c/o MitsuiPetrochemical Ind., Ltd.,Nishikawa, Hiroshi,c/o Mitsui Petroch. Ind., Ltd.,Kawakita,Kazumitsu, c/o Mitsui Petroch. Ind. Ltd.,Sakai,Hideki, c/o Mitsui Petrochemical Ind., Ltd.

申请号:EP91102818.1申请日:19910226公开号:EP0444606A1公开日:19910904

摘要:The present invention relates to a novel ethylene/pentene-1 copolymer whosemolded film has a good balance between impact resistance and tear properties and hightransparency, also is prominently reduced in a variation of the transparency even aftersubjected to a heat treatment, and further shows high blocking resistance, provided that

the copolymer fulfills specific requisites. The invention also relates to a process for thepreparation of the above-mentioned ethylene/pentene-1 copolymer and a formulationof the ethylene/pentene-1 copolymer composition using a stabilizer. According to theinvention, there can be obtained an ethylene/pentene-1 copolymer composition which isexcellent in heat stability in the molding stage, long-term heat stability andweatherability.

申请人:MITSUI PETROCHEMICAL INDUSTRIES, LTD.

地址:2-5, Kasumigaseki 3-chome Chiyoda-ku Tokyo 100 JP

国籍:JP

代理机构:Hansen, Bernd, Dr. Dipl.-Chem.

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