| 摘要 |
The invention concerns a heat-sensitive water soluble copolymer obtained from a composition of water soluble monomers comprising, for 100 mole parts (pp): 10-69 pp of at least a compound (I) and/or (II); 30-75 pp of at least an ethylenically unsaturated sulphonic acid; 0-50 pp of at least a compound (III) and/or (IV); 0-30 pp of at least a compound (V) and/or (VI); 0-30 pp of at least another monomer such as (VII) and/or (VIII) and/or (IX) and/or acrylonitrile and/or allyl alcohol and/or vinylpirydine and/or an acid unsaturated monomer or carboxylic acid anhydride and/or silane-treated and/or with phosphate function and/or phosphonated and/or with N-vinyl groups; and 0.001-50 pp of at least a hydrophobic monomer. R<1>, R<3>, R<7>, R<8>, R<11>, R<16>, R<24> R<28>, R<31> = H, -CH3; R<2>, R<6> = -CH2-CH2 capable of bearing at least an OH or C3-C4 alkylene bearing at least an OH; and R<9>, R<10>, R<14>, R<15>, R<18>, R<22> = C2-C4 alkylene capable of bearing at least an OH; n, o, p, r, t, u, = 1-70; q, s = 1-40; R<4>, R<5>, R<12>, R<13>, R<20>, R<21> = H, C2-C4 alkyl; Y<1>, Y<2>, Y<3> = single bond, C1-C4 alkylene; R<19>, R<23> = C2-C40 alkyl, aryl, C6-C60 aralkyl; A<1>, A<2> = O, NH; B<2> = -CH2CH2-, -CH2CH2Ch2-, CH2CHOHCH2; R<25>, R<26>, R<29>, R<30> = CH3, C2-C16 alkyl; R<27> = H, CH3, C2-C16 alkyl; X< omicron > = monovalent anion; R<32>, R<33> = H, C1-C5 alkyl, (C1-C5 alkoxy)C1-C5 alkyl. |
