High moisture barrier OPP film containing high crystallinity pol

Details High moisture barrier OPP film containing high crystallinity pol High moisture barrier OPP film containing high crystallinity pol

1994-07-15

1996-03-19

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428349, 428516, 428910, 15624411, B32B 516

Patent

active

055002820

ABSTRACT:
An oriented film structure of improved water vapor transmission rate is prepared from an extruded and stretched mixture of (1) high crystallinity polypropylene (HCPP) having intermolecular stereoregularity greater than 93% and (2) a moisture barrier improving amount of polyterpene resin.

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