Paper coating latex compositions containing copolymers of monovinylidene aromatic monomer, aliphatic conjugated diene and an aryloyloxycarboxylic acid monomer
US4065423A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 3, 1976 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | May 3, 1996 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/58
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Latex compositions with improved water resistance, chemical stability and rheological properties, useful either as the sole binder or as the co-binding agent with pigmentary material in paper coating compositions, made by aqueous emulsion polymerization of a monomeric mixture of, by weight, PA1 A. 35 to 75 parts of a monovinylidene aromatic monomer (e.g., styrene), PA1 B. correspondingly 65 to 25 parts of an aliphatic conjugated diene, said monomers (A) plus (B) constituting from 75 to 99.5% of the total monomeric mixture, PA1 C. 0.5 to 10% of an acryloyloxycarboxylic acid type monomer (e.g., beta-carboxyethylacrylate), and, optionally, PA1 D. 0 to 15% of one or more different hydrophilic monomers (e.g., mono-beta-hydroxyethylmaleate).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.