Films and articles made with thermoplastic block copolymers

Details Films and articles made with thermoplastic block copolymers Films and articles made with thermoplastic block copolymers

B - Operations, Transporting

32

B

B32B 27/40 (2006.01) B32B 27/04 (2006.01) D06N 3/14 (2006.01)

Patent

CA 2732694

The present invention relates to printing blankets, pipe liners, conveyor belts, inflatable articles, collapsible containers, pro-tective clothing, and other types of coated fab-rics that are manufactured with a thermoplastic block copolymer (TBC). This TBC can be a thermoplastic polyurethane (TPU), a copolyester (COPE), a copolyamide (COPA) or a polyurethaneurea (TPUU). The subject inven-tion more specifically discloses a printing blan-ket or printing sleeve and a cured in place liner for a passageway or pipe. The TBC is (I) the reaction product of (1) a hydrophobic polyol or polyamine, (2) a polyisocyanate or an aromatic dicarboxylic acid, and (3) a linear chain exten-der containing 2 to 20 carbon atoms, or (II) the reaction product of (1) a hydrophobic polyol or polyamine, and (2) a carboxylic terminated telechelic polyamide sequence.

La présente invention porte sur des blanchets d'impression, des revêtements de tuyaux, des courroies de transporteur, des articles gonflables, des conteneurs pliables, des vêtements protecteurs et d'autres types de tissus revêtus fabriqués avec un copolymère à blocs thermoplastique (TBC). Ce TBC peut être un polyuréthane thermoplastique (TPU), un copolyester (COPE), un copolyamide (COPA) ou un polyuréthane urée (TPUU). La présente invention porte plus spécifiquement sur un blanchet d'impression ou un manchon d'impression et un revêtement durci sur place pour un passage ou un tuyau. Le TBC est (I) le produit de la réaction de (1) un polyol ou une polyamine hydrophobe, (2) un polyisocyanate ou un acide dicarboxylique aromatique et (3) un extenseur de chaîne linéaire contenant 2 à 20 atomes de carbone ou (II) le produit de la réaction de (1) un polyol ou une polyamine hydrophobe et (2) une séquence polyamide téléchélique à terminaison carboxylique.

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