Raw rubber lapping film

Details Raw rubber lapping film Raw rubber lapping film

C - Chemistry, Metallurgy

08

F

C08F 210/16 (2006.01) C08J 3/00 (2006.01) C08J 5/18 (2006.01) C08K 3/36 (2006.01) C08K 5/00 (2006.01) C08L 23/08 (2006.01) C08L 33/12 (2006.01)

Patent

CA 2176286

The present invention provides a raw rubber lapping film formed of an ethylene.cndot. .alpha.-olefin random copolymer comprising ethylene unit and an .alpha.-olefin unit having 4 to 20 carbon atoms and a raw rubber bale lapped with this film. Since the film is superior in strength and release properties and has good dispersibility in ethylene.cndot. .alpha.-olefin copolymer rubber, the operation of lapping raw rubber with a film, the operation of stripping a film from a lapped raw rubber bale and the operation of separating each of a plurality of raw rubber bales are carried out easily and yet there is no adverse effect on the subsequent rubber processing step without stripping the film by heating at a temperature higher than the melting point of the film at the time of kneading.

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