Replacement for plasticized polyvinyl chloride

Details Replacement for plasticized polyvinyl chloride Replacement for plasticized polyvinyl chloride

C - Chemistry, Metallurgy

08

L

C08L 23/02 (2006.01) B32B 27/32 (2006.01) C08J 5/18 (2006.01) C08L 23/08 (2006.01) C08L 45/00 (2006.01) D01D 5/00 (2006.01) C08L 57/02 (2006.01)

Patent

CA 2435625

A blend comprising polyolefin and hydrocarbon resin, wherein the polyolefin is semicrystalline and has a suitable degree of crystallinity and molecular weight, or the polyolefin is amorphous and has sufficiently high molecular weight, and sufficient hydrocarbon resin is present in the blend, so that a film made from the blend is substantially vinyl-like and non-elastomeric. Some of the films are also conformable, drapable or affinely deformable by hand.

L'invention concerne un mélange comportant de la polyoléfine et de la résine hydrocarbonée. La polyoléfine, semicristalline, présente un degré approprié de cristallinité et de poids moléculaire, ou, amorphe, un poids moléculaire suffisamment élevé. Le mélange renferme en outre suffisamment de résine hydrocarbonée, de sorte que le film produit à partir dudit mélange est sensiblement d'apparence vinylique et non élastomère. Certains de ces films sont également adaptables, enveloppants ou déformables à la main de manière affine.

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