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Title:
SYNDIOTACTIC POLYPROPYLENIC COMPOSITION
Document Type and Number:
Japanese Patent JP2001172452
Kind Code:
A
Abstract:

To obtain a polypropylenic composition that can give molded products having excellent balance between transparency, shock resistance, flexibility, heat resistance, scratching resistance, and the like.

This syndiotacic polypropylenic composition comprises (i) a specific syndiotactic polypropylene, (ii) a specific copolymer from two or more kinds of α-olefins and (iii) a specific isotactic propylene (co)polymer where the weight ratio of (i) syndiotactic polypropylene to (iii) the isotactic propylene (co)polymer {(i)/(iii)} is 99/1-1/99 and the weight ratio of a mixture (iv) of the syndiotactic polypropylene (i) and the isotactic propylene (co)polymer (iii) to the copolymer of the twe or more kinds of α-olefins (ii) {the weight ratio of (iv)/(ii)} is in the range of 90/10-10/90 and the contents of two or more kinds of α-olefins are at least 1 wt. %., respectively.


Inventors:
MORISONO KENICHI
MORI RYOJI
KANEKO KAZUYOSHI
Application Number:
JP35954499A
Publication Date:
June 26, 2001
Filing Date:
December 17, 1999
Export Citation:
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Assignee:
MITSUI CHEMICALS INC
International Classes:
C08L23/10; C08F4/602; C08F4/6192; C08F10/00; C08F10/02; C08L23/08; (IPC1-7): C08L23/10; C08F4/602; C08F10/02; C08L23/08
Attorney, Agent or Firm:
Shunichiro Suzuki (1 person outside)