Paper coating composition and its production
US4429074A · kind A · utility
11Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1981 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Nov 25, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31906
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A coating composition for paper comprising a mineral pigment and a polymer latex prepared by emulsion polymerization of a monomeric mixture comprising an aliphatic conjugated diene monomer, an ethylenically unsaturated carboxylic acid monomer and a monoolefinic monomer in a weight proportion of 24.5-50:0.5-5:45-75 in the presence of a chain transfer agent, characterized in that the chain transfer agent is carbon tetrachloride and an alkylmercaptan in combination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.