Vinyl chloride and nonconjugated diene copolymer
US4835236A · kind A · utility
1Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Jan 9, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F214/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention comprises a vinyl chloride copolymer consisting essentially of the copolymerization reaction product of a vinyl chloride monomer composition and at least one polyfunctional compound; said polyfunctional compound being an alkadiene of the formula: EQU CH.sub.2 .dbd.CH--(CH.sub.2).sub.x --CH.dbd.CH.sub.2 in which x is a whole number from 1 to 25; said copolymer containing, in moles, from 99 to 99.99% of said monomer composition based on vinyl chloride and correspondingly from 0.01 to 1% of said polyfunctional compound and the process of making such copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.