C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/18 (2006.01) D06M 15/256 (2006.01) D06M 15/263 (2006.01) C09D 125/18 (2006.01) C09D 133/02 (2006.01)
Patent
CA 2701099
A copolymer of Formula (I) -[R t Q-OC(O)NHC(CH3)2C6H4C(CH3)CH2-]x - [CH2C(R)(COOH)-]y- (I) wherein R f is a straight or branched perfluoroalkyl group having from about 2 to about 8 carbon atoms, or a mixture thereof, which is optionally interrupted by at least one oxygen atom, Q is alkylene of 1 to about 15 carbon atoms, hydroxyalkylene of from about 2 to about 15 carbon atoms, -0(C n H2n)-, -(CH2CF2)m(CH2)n , -OCHFCF2(CH2)n-, -CONR1(C n H2n )-, - (C n H2n )OCONR1(C n H2n )-, (-CONR1CH2)2CH-, -SO2N(R1)(C n H2n)-, or -(C n H2n)SO2N(R1)(C n H2n)-, each R1 is independently H or alkyl of 1 to about 4 carbon atoms, each n is independently 1 to about 15, each m is independently 1 to about 4, and R is H or CH3, x is a positive integer, and y is a positive integer, and a method of its use for imparting soil resistance to substrates while imparting minimal water repellency is disclosed.
L'invention concerne un copolymère de la formule (I) -[RfQ-OC(O)NHC(CH3)2C6H4C(CH3)CH2-]x - [CH2C(R)(COOH)-]y- (I), dans laquelle Rf est un groupe perfluoroalkyle linéaire ou ramifié ayant d'environ 2 à environ 8 atomes de carbone, ou un mélange de ceux-ci, qui est facultativement interrompu par au moins un atome d'oxygène, Q est un alkylène ayant de 1 à environ 15 atomes de carbone, un hydroxyalkylène d'environ 2 à environ 15 atomes de carbone, -0(CnH2n)-, -(CH2CF2)m(CH2)n-, -OCHFCF2(CH2)n-, -CONR1(CnH2n)-, -(CnH2n)OCONR1(CnH2n)-, (-CONR1CH2)2CH-, -SO2N(R1)(CnH2n)-, ou -(CnH2n)SO2N(R1)(CnH2n)-, chaque R1 est indépendamment H ou un alkyle ayant de 1 à environ 4 atomes de carbone, chaque n est indépendamment 1 à environ 15, chaque m est indépendamment 1 à environ 4, et R est H ou CH3, x est entier positif, et y est un entier positif, et un procédé pour son utilisation pour imprimer une résistance à la saleté à des substrats, tout en imprimant une hydrophobie minimum.
Murphy Peter Michael
Reinartz Stefan
E. I. Du Pont de Nemours And Company
Torys Llp
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