Polymer blends for use in providing peelable heat seals

Details Polymer blends for use in providing peelable heat seals Polymer blends for use in providing peelable heat seals

C - Chemistry, Metallurgy

08

L

154/140, 117/207

C08L 23/10 (2006.01) B32B 27/32 (2006.01) C08L 23/18 (2006.01) C08L 53/02 (2006.01)

Patent

CA 2037322

ABSTRACT POLYMER BLENDS FOR USE IN PROVIDING PEELABLE HEAT SEALS A blend of butene-1 homopolymer or copolymer, styrenic olefinic block copolymer and optionally polypropylene can be used to provide an easy-open, peelable lid structure for rigid containers, wherein the blend comprises 5-50% by weight of butene-1 homopolymer or copolymer, 95-50% by weight of the block copolymer, and 0 to 30% by weight polypropylene.

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