Stabilization of vinyl chloride polymers by means of lactone compounds
US4132703A · kind A · utility
4Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1976 |
| Grant date | Jan 2, 1979 |
| Priority date | — |
| Expiry date | Oct 12, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/15
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The stabilization of polyvinyl chloride resins and polyvinyl chloride resin compositions with novel compositions comprising metal salts of carboxylic acids and an .alpha.-acyl-lactone of the formula: ##STR1## wherein R represents an aliphatic or aromatic radical containing 2 to 30 carbon atoms, R' represents a linear or branched-chain hydrocarbon radical having from 2 to 30 carbon atoms or a divalent cyclic radical having 4 to 10 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.