Multi-component stabilizing system for pigmented polyolefins
US4185004A · kind A · utility
17Cited by
13References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 1977 |
| Grant date | Jan 22, 1980 |
| Priority date | — |
| Expiry date | Apr 27, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5398
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A multi-component ultraviolet stabilizer system for pigmented polyolefins comprising a tris-(4-hydroxybenzyl) isocyanurate, a substituted pentaerythritol phosphite, and a trihydrocarbyl thiophosphite. In an alternate embodiment the stabilizer system also comprises a thiomethylenephenol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.