Stabilizer composition for thermoplastic resin compositions
US5938977A · kind A · utility
5Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1997 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Oct 22, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/34924
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a stabilizer composition for weather-resistant halogen-containing thermoplastic resin compositions, in particular based on PVC. The stabilizer composition according to the invention contains at least one natural or synthetic hydrotalcite, at least one basic calcium-aluminum-hydroxy compound, selected from basic calcium-aluminum-hydroxy-phosphites and basic calcium-aluminum-hydroxy-carboxylates, and at least one polyol and/or at least one hydroxy group-containing isocyanurate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.