C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 53/02 (2006.01) C08L 33/04 (2006.01) C08L 33/06 (2006.01) C08L 33/24 (2006.01) C09D 133/06 (2006.01)
Patent
CA 2222654
A polymer blend comprising (a) a block copolymer, in an amount sufficient to associate with the substrate, comprising (i) a polystyrene block; and (ii) a polydiene block or a hydrogenated polydiene block, said block copolymer (a) being non-maleated, and (b) a polymer, in an amount sufficient to bond to block copolymer (a), comprising a polymerization reaction product of (i) at least one mono-ethylenically unsaturated acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive; (ii) at least one mono--ethylenically unsaturated nitrogen-containing monomer selected from the group consisting of an N-vinyllactam and N,N-dialkylacrylamide; and (iii) from 1-10 parts, based upon 100 parts of polymer (b), of a monomer having at least one of carboxylic acid functionality, hydroxy functionality, and epoxy functionality.
L'invention porte sur un mélange de polymères comportant: (a) un copolymère bloc, en quantité suffisante pour s'associer au substrat, consistant: (i) en un bloc polystyrène et (ii) un bloc polydiène ou un bloc polydiène hydrogéné, ledit copolymère bloc (a) étant non maléaté; et (b) un polymère en quantité suffisante pour se fixer au copolymère bloc (a) et comprenant un produit de réaction de polymérisation de (i) au moins un ester d'acide acrylique ou méthacrylique monoéthylènétiquement insaturé et d'un alcool non tertiaire présentant 1 à 14 atomes de carbone, (ii) au moins un monomère azoté monoéthylènétiquement insaturé choisi entre un N-vinyllactame et un N, N-dialkylacrylamide; et (iii) de 1 à 10 parties, sur la base de 100 parties du polymère (b), d'un monomère présentant au moins une fonction acide carboxylique, hydroxy ou époxy.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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