Composition usable for the thermal and ultaviolet stabilization of thermoplastic resins and thermoplastic resins containing such a stabilizing composition
US5141980A · kind A · utility
15Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1989 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Jun 23, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/098
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a composition which is usable for the stabilization of thermoplastic resin against the effects of heat and/or light. This composition comprises a hydrotalcite, a zinc zeolite and a zinc carboxylate. It is applied, more especially, to thermoplastic resins containing halogens, and in particular to PVC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.