Stabilizer composition for polyvinyl chloride polymers
US3998782A · kind A · utility
5Cited by
7References
8Claims
0Family size
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Key dates
| Filing date | Jul 31, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Jul 31, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/524
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved stabilizer for polyvinyl chloride polymers and copolymers against heat has the composition (a) a compound having the general formula: ##STR1## wherein Y is a hydrogen atom or an acyl group, and R is selected from hydrogen, an alkyl group having 1 - 18 carbon atoms or a cycloalkyl group having 1 - 18 carbon atoms or an aralkyl group having 1 - 18 carbon atoms; and (b) an organic phosphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.