Hydroxyl containing quaternary ammonium salts of fatty acids as internal mold release compositions
US5317075A · kind A · utility
1Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1992 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Dec 16, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2120/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane or polyurethane/urea elastomer by reaction injected molding, the improvement which comprises a mold release composition which is the reaction product of a C.sub.12 -C.sub.36 fatty acid, a tertiary amine having at least one C.sub.12 -C.sub.18 alkyl substituent and a C.sub.2 -C.sub.21 reactive epoxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.