Polycarbonate compositions having mold-release properties
US5596034A · kind A · utility
5Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 1995 |
| Grant date | Jan 21, 1997 |
| Priority date | — |
| Expiry date | Sep 7, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/103
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A thermoplastic molding composition having improved release properties is disclosed. The composition contains a polycarbonate resin and a mold release agent which is an ester conforming structurally to ##STR1## where R is a member selected from the group consisting of glyceryl, trimethylol propyl and pentaerythrityl radicals, m is 2 to 4, R' is a C.sub.8-20 hydrocarbon radical having a pendant alkyl group, and R" is the esterification residue of a C.sub.1-24 aliphatic or an aromatic carboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.