High strength pigment binders for paper coatings containing carboxylated vinyl ester alkyl acrylic interpolymers
US4395499A · kind A · utility
21Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1982 |
| Grant date | Jul 26, 1983 |
| Priority date | — |
| Expiry date | Sep 13, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31906
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
High strength pigment binders for paper coating having increased water retention and stability are disclosed. The coating compositions comprise an aqueous synthetic polymer latex and pigment and may contain other additives used in the art of pigmented paper coating. The latex comprises a dispersed interpolymer of a vinyl ester, a polyethylenically unsaturated comonomer and a ethylenically unsaturated mono- or dicarboxylic acid and optionally an alkyl acrylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.