Use of fluorinated compounds to confer release properties

Details Use of fluorinated compounds to confer release properties Use of fluorinated compounds to confer release properties

D - Textiles, Paper

21

H

D21H 19/12 (2006.01) C09J 7/02 (2006.01) D21H 27/00 (2006.01)

Patent

CA 2338936

Use of fluorinated compounds to confer release properties to cellulosic substrata, selected from the following structures: (A) [R f-CFY-L-O]m P(O)(O-Z+)3-m (B) (O-Z+)2 P(O)[O-L-YFC-O-R f-CFY-L-O-P(O)(O-Z+)]m'- - [O-L-YFC-O-R f-CFY-L-O]P(O)(O-Z+)2 (C) Fluorinated (meth)acrylic copolymers (D) [R t-CF2-SO2N(U1)(U2)-O]g-P(O)(OZ)3-g wherein: m' is an integer from 0 to 20; L is an organic group selected from -CH2- (OCH2CH2)n-, -CO-NR' - (CH2)q-, with R' =H or C1-C4 alkyl group; n=0-8, q=1-8; Z= H, alkane metal or a NR4 group with R=H or C1-C4 alkyl group; Y=F, CF3; m=1, 2, 3; - R f is a perfluoropolyether radical; - R t is a linear or branched perfluorocarbon radical having from 1 to 20 carbon atoms; g=1-3; U1, U2 equal to or different from each other, are selected from linear or branched C1-C8 alkyl groups, (CH2CH2O)Q ethylenoxide groups, wherein Q is in the range 1-20.

Utilisation de composés fluorés pour donner des propriétés de libération à des substrats cellulosiques, choisis parmi les structures suivantes : (A) ¬Rf-CFY-L-O|mP(O)(O-Z+)3-m; (B) (O-Z+)2 P(O)¬O-L-YFC-O-Rf-CFY-L-O-P(O)(O-Z+)|m'- - ¬O-L-YFC-O-Rf-CFY-L-O|P(O)(O-Z+)2; (C) copolymères (méth)acryliques fluorés; (D) ¬Rt-CF2-SO2N(U1)(U2)-O|g-P(O)(OZ)3-g; dans lesquelles m' est un nombre entier de 0 à 20, L est un groupe organique choisi parmi -CH2- (OCH2CH2)n-, -CO-NR'-(CH2)q- avec R' = H ou un groupe alkyle en C1-C4, n = 0-8, q = 1-8, Z = H, un alkylmétal ou un groupe NR4 avec R = H ou un groupe alkyle en C1-C4, Y = F ou CF3, m=1, 2 ou 3, Rf est un radical perfluoropolyéther, Rt est un radical perfluorocarboné linéaire ou ramifié comptant de 1 à 20 atomes de carbone, g = 1-3, U1 et U2 sont identiques ou différents et sont choisis parmi des groupes alkyles en C1-C8 linéaires ou ramifiés ou des groupes oxyde d'éthylène (CH2CH2O)Q dans lesquels Q va de 1 à 20.

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