Terpolymer composition
US4443576A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1982 |
| Grant date | Apr 17, 1984 |
| Priority date | — |
| Expiry date | Mar 29, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F265/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Novel polymeric compositions useful as thickeners and rheology modifiers for oil-in-water emulsion systems are disclosed. The water-soluble or swellable compositions described contain, prior to polymerization, from: ______________________________________ 10-70% Acrylamide or methacrylamide; 20-70% Acrylic acid, methacrylic acid, or their water-soluble salts; 5-50% Of a hydroxyalkylacrylate; 0-10% Of a polyfunctional monomeric branching material; and, 0-15% Low molecular weight water-soluble copolymer of a non-ionic or anionic water-soluble vinyl addition monomer and lower alkylacrylate. ______________________________________ Optionally a water-soluble polymer dispersant may be added to the composition after polymerization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.