Medium density chlorinated polyvinyl chloride foam and process for preparing
US6348512B1 · kind B1 · utility
25Cited by
31References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1996 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Sep 30, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a medium density chlorinated polyvinyl chloride foam and the method of preparing such a foam. The foam having a specific gravity in the range of about 0.3 to about 1.5 comprises chlorinated polyvinyl chloride, a nitrogen containing decomposition type blowing agent, a tin stabilizer, a costabilizer and a high molecular weight process aid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.