Plasticized polyolefin compositions

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 5/01 (2006.01) C08L 23/02 (2006.01) C08L 23/08 (2006.01) C08L 23/10 (2006.01) C08L 23/16 (2006.01) C08L 23/12 (2006.01) C08L 57/00 (2006.01) C08L 91/00 (2006.01)

Patent

CA 2492839

The present invention relates to plasticized polyolefin compositions comprising a polyolefin and a non-functionalized plasticizer; wherein the non- functionalized plasticizer may comprise C6 to C200 paraffins (including branched and normal paraffins) having a pour point of less than -5 ~C. In one embodiment, the non-functionalized plasticizer is an isoparaffin comprising C6 to C25 isoparaffins. In another embodiment the non-functionalized plasticizer is a polyalphaolefin compising C10 to C100 n-paraffins. The polyolefin may be a polypropylene homopolymer, copolymer, impact copolymer, or blends thereof, and may include a plastomer. Non-limiting examples of desirable article of manufacture made from compositions of the invention includes films, tubes, pipes, sheets, fibers, woven and nonwoven fabrics, automotive components, furniture, sporting equipment, food storage containers, transparent and semi- transparent articles, toys, tubing and pipes, and medical devices.

L'invention concerne des compositions de polyoléfines plastifiées qui contiennent une polyoléfine ainsi qu'un plastifiant non fonctionnalisé lequel peut comprendre des paraffines C¿6?-C¿200? (notamment des paraffines ramifiées et des paraffines normales) présentant un point d'écoulement inférieur à -5 ·C. Dans un premier mode de réalisation, le plastifiant non fonctionnalisé est une isoparaffine qui comprend des isoparaffines C¿6?-C¿25?. Dans un autre mode de réalisation, le plastifiant non fonctionnalisé est une polyalphaoléfine qui comprend des n-paraffines C¿10?-C¿100?. La polyoléfine peut être un polypropylène homopolymère, un copolymère, un copolymère d'impact, seuls ou mélangés entre eux, et peut également contenir un plastomère. Quelques exemples, non exhaustifs, d'articles manufacturés souhaités fabriqués à partir des compositions de l'invention comprennent : films, tubes, tuyaux, feuilles, fibres, textiles tissés et non-tissés, composants automobiles, meubles, accessoires de sport, récipients de conservation d'aliments, articles transparents et semi-transparents, jouets, tubages et tuyaux, et enfin, dispositifs médicaux.

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