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    • 2. 发明专利
    • Poly-4-methyl-1-pentene-based resin composition, and molding and film obtained from the composition
    • 聚-4-甲基-1-苯乙烯的树脂组合物,以及由组合物获得的成型和膜
    • JP2013155326A
    • 2013-08-15
    • JP2012017762
    • 2012-01-31
    • Mitsui Chemicals Inc三井化学株式会社
    • SHIOYA MASAHIROTSUGANE YASUHITOFUJIWARA KAZUTOSHIASO YOSHIAKISEKI RYOICHITAN JUNJI
    • C08L23/20C08L23/26C08L77/00
    • PROBLEM TO BE SOLVED: To provide: a poly-4-methyl-1-pentene-based resin composition in which a film strength and the moldability of various moldings are improved while maintaining mold releasability and low water absorptivity that are the features of poly-4-methyl-1-pentene; and a molding of the same.SOLUTION: A poly-4-methyl-1-pentene-based resin composition includes: 1-30 pts.wt. of an olefin (co)polymer (C) obtained by polymerizing 10-99 pts.wt. of poly-4-methyl-1-pentene (A), 1-50 pts.wt. of polyamide (B), and at least one olefin chosen from a 3-20C α-olefin, wherein the poly-4-methyl-1-pentene (A) is excluded; and 0.1-20 pts.wt. of modified poly-4-methyl-1-pentene (D) modified by a monomer containing an ethylenically unsaturated bond, wherein the total amount from (A) to (D) is 100 pts.wt. and the total amount of (A), (C) and (D) is at least 50 pts.wt.
    • 要解决的问题:提供:聚-4-甲基-1-戊烯系树脂组合物,其中,在保持脱模性和低吸水性的同时,提高各种成型品的膜强度和成型性, 4-甲基-1-戊烯; 及其成型物。溶液:聚-4-甲基-1-戊烯类树脂组合物包括:1-30重量份 的通过聚合10-99重量份得到的烯烃(共)聚合物(C) 的聚-4-甲基-1-戊烯(A),1-50重量份 的聚酰胺(B)和至少一种选自3-20℃的α-烯烃的烯烃,其中不包括聚-4-甲基-1-戊烯(A); 和0.1-20重量份 通过含有烯属不饱和键的单体改性的改性聚-4-甲基-1-戊烯(D),其中(A)至(D)的总量为100重量份。 (A),(C)和(D)的总量为至少50重量份。