Reduced melt viscosity CPVC blends containing sulfur and various metal carbonate stabilizers
US4780497A · kind A · utility
3Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 12, 1988 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Feb 12, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/26
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Chlorinated polyvinyl chloride when blended with sulfur is often miscible and has reduced melt flow viscosity. Various metal carbonates impart improved stability and optionally various fibers can be utilized to increase the tensile strength of the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.