Stabilizer compositions for PVC
US4617334A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1984 |
| Grant date | Oct 14, 1986 |
| Priority date | — |
| Expiry date | Sep 24, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/59
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic antimony compound or mixture of organic antimony compounds, (2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and (3) a metal mercaptoalcohol or mixture of metal mercaptoalcohols. Also provided are polymer compositions containing said stabilizers, a process for stabilizing polymers, and articles of manufacture made from stabilized polymer compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.