Poly(vinyl alcohol)-co-poly(n-vinyl formamide) copolymers

Details Poly(vinyl alcohol)-co-poly(n-vinyl formamide) copolymers Poly(vinyl alcohol)-co-poly(n-vinyl formamide) copolymers

C - Chemistry, Metallurgy

08

F

C08F 8/00 (2006.01) B41M 5/00 (2006.01) B41M 5/52 (2006.01) C08F 8/12 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2467737

Disclosed are ink jet recording media systems that comprise a poly(vinyl alcohol)-co-~poly(N-vinyl formamide) copolymer of the formula, wherein n is between 0 and about 20 mole percent, m is between about 50 and about 97 mole percent, x is between 0 and about 20 mole percent, y is between 0 and about 20 mole percent, z is between 0 and about 2 mole percent and x+y is between about 3 and about 20 mole percent, R1 and R3 are independently H; 3-propionic acid or C1-C6 alkyl ester thereof; or is 2-methyl~-3-propionic acid or C1-C6 alkyl ester thereof, and R2 and R4 are independently H or C1-C6 alkyl.

La présente invention concerne des systèmes de supports d'enregistrement à jet d'encre comprenant un copolymère de poly(vinyl alcool)-co-poly(N-vinyl formamide) de la formule (1), dans laquelle n est compris entre 0 et environ 20 pour cent molaire, m est compris entre environ 50 et environ 97 pour cent molaire, x est compris entre 0 et environ 20 pour cent molaire, y est compris entre 0 et environ 20 pour cent molaire, z est compris entre 0 et environ 2 pour cent molaire et x+y est compris entre environ 3 et environ 20 pour cent molaire, R¿1? et R¿3? sont indépendamment H; un acide 3-propionique ou un alkyl ester C¿1?-C¿6? de celui-ci; ou sont un acide 2-méthyl-3-propionique ou un alkyl ester C¿1?-C¿6?de celui-ci, et R¿2 ?et R¿4 ?sont indépendamment H ou alkyle C¿1?-C¿6?.

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