Title: Stretched polypropylene film
Application Number: 85101842 Application Date: 1985.04.01
Publication Number: 1006699 Publication Date: 1987.01.10
Approval Pub. Date: Granted Pub. Date: 1989.06.28
International Classifi-cation: C08F210/06,C08F210/14
Applicant(s) Name: Sumitoma Chemical Co. Ltd. Address:
Inventor(s) Name:
Attorney & Agent: LU XINHUA
Abstract:
     A stretched polypropylene film with excellent transparency is produced by stretching along at least one direction of polypropylene resin sheet. This sheet contains 0.05ppm-1.0% (by wt.) of polymer of alpha-olefines (having at least 6 carbons) with chain branching at C3 or polymer of vinyl cycloalkane.
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