Title:
SOFT POLYPROPYLENE COMPOSITION FOR FILM
Document Type and Number:
Japanese Patent JPS60118727
Kind Code:
A
Abstract:
PURPOSE: The titled composition providing a film having improved transparency in air-cooling blown film extrusion processing, obtained by blending a low crystalline polypropylene polymer with a mixture of a dibenzylidene sorbitol derivative and zeolite.
CONSTITUTION: (A) 100pts.wt. low crystalline propylene polymer having 30W 90wt% part insoluble in boiling n-heptane, preferably 0.05W30g/10min melt flow rate, and 3W20mol.wt. distribution is blended with a mixture of (B) 0.01W2pts. wt., preferably 0.05W0.5pt.wt. dibenzylidene sorbitol derivative and (C) 0.01W 2pts.wt., preferably 0.05W0.5pt.wt. zeolite.
Inventors:
FUJITA YOSHIHIRO
WATANABE SHIYUUZOU
OOZURU MASAAKI
WATANABE SHIYUUZOU
OOZURU MASAAKI
Application Number:
JP22536583A
Publication Date:
June 26, 1985
Filing Date:
December 01, 1983
Export Citation:
Assignee:
TOYO SODA MFG CO LTD
International Classes:
C08K3/34; C08J5/18; C08K5/15; C08K5/1575; C08L7/00; C08L21/00; C08L23/00; C08L23/10; C08L101/00; (IPC1-7): C08K3/34; C08K5/15; C08L23/10
Domestic Patent References:
| JPS5122740A | 1976-02-23 | |||
| JPS4923245A | 1974-03-01 | |||
| JPS59184238A | 1984-10-19 | |||
| JPS5767021A | 1982-04-23 | |||
| JPS6088049A | 1985-05-17 |