Release agents for polycarbonate molding compositions
US5001180A · kind A · utility
8Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1989 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Nov 1, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/101
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A monoester derived from guerbet alcohol and a monocarboxylic acid or a hydroxy carboxylic acid was found to be an effective mold release agent for a thermoplastic molding composition which comprise an aromatic polycarbonate resin. The alcohol of the invention is a guerbet alcohol having about 20 to 60 carbon atoms and the monoacid is characterized in that it has about 1 to 22 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.