Method for improving color and impact strength of nitrile polymers
US4206300A · kind A · utility
4Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1978 |
| Grant date | Jun 3, 1980 |
| Priority date | — |
| Expiry date | Jun 12, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2333/18
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Reduction of yellowing and improvement of impact strength are obtained during the processing of nitrile polymers when said polymers are heated to a plastic state in the presence of an inert gas, thereby excluding oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.