Blends of ionomer with propylene copolymer and articles

Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers

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Details

428516, 428515, 428511, 428461, C08L 2316, C08L 2326, C08L 2308, B32B 2728

Patent

active

045392633

ABSTRACT:
Blends of (a) 80-93 weight percent of an ethylene/acid ionomer, and (b) 7-20 weight percent of a propylene/.alpha.-olefin copolymer are used to prepare peelable seals having nearly constant and predictable peel strength over an extended heat seal temperature range. Some of the seals so produced also show stress whitening.

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Defensive Publication, 877,077, (Uhline).

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