Terpolymer having aromatic polyester, polysiloxane and polycarbonate segments
US5932677A · kind A · utility
45Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1993 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | May 27, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/448
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Terpolymers suitable as molding resins are provided having aromatic polyester segments polycarbonate segments and polysiloxane segments of the structure ##STR1## where R.sup.1, R.sup.2, Y and D are as defined herein, and where the weight percentage of polyester and polycarbonate segments is from 50 to 99%, preferably 92 to 96%, and the weight percentage of polysiloxane segments is from 50 to 1%, preferably from 8 to 4%. Also provided is a one-step process to prepare the new terpolymers by reacting together a siloxane, a bisphenol and an aromatic dicarboxylic acid halide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.