Composition for treating paper and paper treated therewith
US6306944A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 23, 1999 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Nov 23, 2019 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/24
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
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: EQU --[CH.sub.2 --C(R)[CO--Q--(CH.sub.2).sub.n CHR.sup.4 --CH.sub.2 N.sup.+ (R.sup.1)(R.sup.2)(R.sup.3).X.sup.- ]]--, Formula 1 wherein R is a hydrogen atom or a methyl group; Q is --O-- or --NR.sup.5 --, wherein R.sup.5 is a hydrogen atom or an alkyl group; each of R.sup.1, R.sup.2 and R.sup.3 which are independent of one another is a hydrogen atom or an alkyl group; R.sup.1 and R.sup.2 may together form a bivalent organic group; R.sup.4 is a hydrogen atom or a hydroxyl group; n is a number from 1 to 4 and X.sup.- is a counter ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.