Azocarboxylate blowing agent
US4394461A · kind A · utility
2Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1982 |
| Grant date | Jul 19, 1983 |
| Priority date | — |
| Expiry date | Sep 30, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2367/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A foamable polyester resin composition is provided and a method for making the same. The composition comprises (a) a liquid unsaturated polyester resin, (b) an azocarboxylate, (c) an organic peroxide or hydroperoxide, (d) a proton donor, (e) a metal promoter, (f) optionally a surfactant, and (g) optionally a filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.