| 摘要 |
A cationic graft-copolymer comprising a unit derived from a cationic derivative of a water-soluble linear polymers having a hydroxyl groups, namely, a cationic polysaccharide of the following formula (1) [C6H7O2(OH)3-a(OX)a]xH2O (1) and the cationic derivative of polyvinylalcohol of the following formula (2) or the cationic derivative of the partial hydrolyzed polyvinylalcohol of the following formula (3) [CH2CH(OH)1-b(OX)b]n (2) [CH2CH(OH)1-b-c(OX)b(OAc)c]n (3) and a unit derived from a polymerizable olefin compound of the following formula (4) <IMAGE> (4) (a, x, b, n, c, Ac, X, R4, R5, R6, and R7 are defined in claim 1-4); a process for preparing the same and a latex reagent made therefrom.
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