Internal mold release agent for use in reaction injection molding
US5002999A · kind A · utility
13Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 1988 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Sep 7, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2120/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The preent invention is directed to an internal mold release composition comprising: PA1 (a) a zinc carboxylate selected from the group consisting of zinc stearate, zinc laurate and zinc oleate, and PA1 (b) a compatibilizer comprising a dispersion of polyurea and/or a polyhydrazodicarbonamide in an organic compound containing at least one hydroxyl group, in an amount sufficient to solubilize the zinc carboxylate. The invention also relates to the use of such composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.