Impact and weather resistant composite of polyvinylchloride and acrylic modifier
US4220734A · kind A · utility
9Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1973 |
| Grant date | Sep 2, 1980 |
| Priority date | — |
| Expiry date | May 25, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/003
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic resin composition consisting essentially of homopolymer or copolymer of polyvinyl chloride and a graft copolymer of a monomer mixture consisting essentially of alkyl methacrylate, aromatic vinyl compound, unsaturated nitrile and monovinylidene compound copolymerizable therewith, grafted to an aqueous elastomeric dispersion of alkyl acrylate, or a mixture of alkyl acrylate and mono vinylidene compound and a multi-functional cross-linking agent and of which the particles are agglomerated before or during the graft polymerization process, and process of manufacturing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.