Unsaturated polyester resin foams and method of preparation
US4388419A · kind A · utility
3Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1982 |
| Grant date | Jun 14, 1983 |
| Priority date | — |
| Expiry date | Jan 12, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2367/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Unsaturated polyester foams having fine and uniform cells are prepared at an atmospheric temperature from an admixture which comprises in combination a liquid unsaturated polyester resin, a hydrazide compound, a cobalt compound and a powdered inorganic compound selected from the group consisting of percarbonates, perborates and perphosphates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.