04621119 is referenced by 15 patents and cites 5 patents.

The tear strength of biaxially oriented polypropylene is improved by adding polyethylene, e.g., about 5-40 weight percent, and an ethylene propylene rubber, e.g., about 1-10 weight percent.

Title
Polypropylene-polyethylene-(ethylene-propylene rubber) compositions and films thereof with improved tear strength
Application Number
6/686810
Publication Number
4621119
Application Date
December 27, 1984
Publication Date
November 4, 1986
Inventor
Pang Chia Lu
Pittsford
NY, US
Agent
Edward J Trojnar
Michael G Gilman
Alexander J McKillop
Assignee
Mobil Oil Corporation
NY, US
IPC
C08L 23/04
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