Polyvinyl chloride processing
US4336176A · kind A · utility
9Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1981 |
| Grant date | Jun 22, 1982 |
| Priority date | — |
| Expiry date | Jan 12, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/57
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention describes the manufacture of polyvinyl chloride compounds containing an organo-tin compound and a partial ester which functions both as an internal lubricant and as a co-stabilizer to scavenge hydrochloric acid thereby lessening thermal degradation of the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.