Blowing agent, polyolefin foam, and process for producing polyolefin foam
US6323245A · kind A · utility
4Cited by
22References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2000 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Aug 24, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2323/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A blowing agent for expanding an extrudable, expandable polyolefin foam product, the blowing agent including a blend of isobutane and n-butane. The isobutane is present in the blend at a weight percentage ranging from 35 to 65 and the n-butane is present in the blend at a weight percentage ranging from 35 to 65.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.