C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/12 (2006.01) B32B 7/10 (2006.01) B32B 27/08 (2006.01) B32B 27/16 (2006.01) C08J 7/12 (2006.01) C09J 131/02 (2006.01) C09J 133/00 (2006.01)
Patent
CA 2325714
This invention provides a method of bonding substantially non-fluorinated polymeric material to dissimilar polymers, particularly fluoropolymer materials, utilizing a bonding composition comprising substantially non- fluorinated polymeric material comprising a blend of carboxyl, anhydride, imide, or oxycarboxy functional polyolefin with a suitable organic or inorganic base and an organo-onium compound that is stable in the presence of the base. Multi-layer articles and composite constructions, including retroreflective sheeting, fuel line hoses, and adhesive articles made of a fluoropolymer layer and a substantially non-fluorinated layer are also provided.
La présente invention concerne un procédé de liaison entre un matériau polymère ne contenant pratiquement pas de fluor et des polymères dissemblables, en particulier des matériaux à base de polymères fluorés, au moyen d'une composition liante. Cette composition comprend un matériau polymérique pratiquement non fluoré contenant un mélange constitué de polyoléfines à fonctions carboxyle, anhydride, imide ou oxycarboxy, d'une base organique ou inorganique adéquate et d'un composé onium organique stable en présence de la base. La présente invention concerne aussi des articles multicouches et des constructions composites, y compris des feuilles rétroréfléchissantes, des tuyaux flexibles pour carburant, et des objets adhésifs constitués d'une couche de polymère fluoré et d'une couche de polymère pratiquement non fluoré.
Jing Naiyong
Nam Sehyun
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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