Thermoplastic resins stabilized by blends of sterically hindered phenols, secondary amines, and thioethers
US6277907A · kind A · utility
7Cited by
25References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 1998 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Nov 9, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/37
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is disclosed for stabilizing a thermoplastic resin, which may also contain carbon black and/or glass, wherein the method comprises adding to the resin a stabilizing amount of at least one sterically hindered phenol antioxidant, at least one secondary amine antioxidant and/or at least one N,N'-substituted oxamide antioxidant, and at least one thioether antioxidant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.