Self-sealing film from polyolefin compositions

Details Self-sealing film from polyolefin compositions Self-sealing film from polyolefin compositions

C - Chemistry, Metallurgy

08

K

400/4042, 400/49

C08K 5/10 (2006.01) C08J 5/18 (2006.01) C08K 5/103 (2006.01) C08L 23/02 (2006.01) C09J 7/00 (2006.01)

Patent

CA 1061034

ABSTRACT A composition suitable for fabricating into a self-sealing film comprises: (i) 85 to 99 8 wt.% of a thermoplastic polyolefin, e.g. polyethylene, (ii) 0.1 to 10.0 wt.% of a partial ester of a carboxylic acid and a polyol e.g. sorbitan mono laurate, sorbitan monostearate or sorbitan monobehenate and (iii) either 0,1 to 10 wt.% of hydrogenated hydrocarbon resin or 0.1 to 10 wt.% of polybutene or polyisobutene, provided the combined weights of (ii) and (iii) is not more than 15 wt.%. The film may be made by tubular blowing.

231039

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