C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/624, 402/645
C08F 210/02 (2006.01) C08F 210/14 (2006.01) C08F 210/16 (2006.01) C08J 5/18 (2006.01) C08L 23/04 (2006.01) C08L 23/08 (2006.01) C08L 23/20 (2006.01)
Patent
CA 2037002
The present invention relates to a novel ethylene/pentene-1 copolymer whose molded film has a good balance between impact resistance and tear properties and high transparency, also is prominently reduced in a variation of the transparency even after subjected 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 the preparation of the above-mentioned ethylene/pentene-1 copolymer and a formulation of the ethylene/pentene-1 copolymer composition using a stabilizer. According to the invention, there can be obtained an ethylene/pentene-1 copolymer composition which is excellent in heat stability in the molding stage, long-term heat stability and weatherability.
Akana Yoshinori
Ikeyama Seiichi
Iwata Kenji
Kioka Mamoru
Kohyama Masaki
Mitsui Chemicals Incorporated
Smart & Biggar
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