| 摘要 |
A composition for treating paper comprising a polymer (A), a surfactant (B) and a medium (C), wherein said polymer (A) comprises polymer units of (meth)acrylate having a polyfluoroalkyl group, polymer units of a vinylidene halide and/or polymer units of a long chain alkyl(meth)acrylate, and polymer units of the following formula 1:wherein R is a hydrogen atom or a methyl group; Q is -O- or -NR5-, wherein R5 is a hydrogen atom or an alkyl group; each of R1, R2 and R3 which are independent of one another is a hydrogen atom or an alkyl group; R1 and R2 may together form a bivalent organic group; R4 is a hydrogen atom or a hydroxyl group; n is a number from 1 to 4 and X- is a counter ion.
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