Multi-layer polyester/polyolefin shrink film

Details Multi-layer polyester/polyolefin shrink film Multi-layer polyester/polyolefin shrink film

B - Operations, Transporting

32

B

154/140, 18/783

B32B 27/08 (2006.01) B29C 55/02 (2006.01) B65D 65/40 (2006.01)

Patent

CA 1147520

Abstract of the Disclosure The multi-layer polyester/polyolefin shrink film of this invention provides a combination of shrink tension, hot seal strength, sealability and shrink temperature range heretofore unobtainable in an oriented, monolayer polyolefin material. The preferred film has five layers in which the middle layer comprises a polyester or copolyester, two inner layers adjacent the middle layer comprise ethylene-vinyl acetate copolymer, and the skin or outer layers comprise an ethylene- propylene copolymer.

320070

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