Copolymeric polycarbonate compositions containing a sulfonic acid compound
US5470938A · kind A · utility
24Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1995 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Feb 2, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/524
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A copolymeric polycarbonate containing repeating constituent units having formula [I] below and repeating constituent units having formula [II] below in a molar ratio of from 98:2 to 40:60. ##STR1## The above-described copolymeric polycarbonates have excellent resistance to chemicals, heat resistance and flame retardancy without compromising the impact resistance and good hues intrinsic to polycarbonates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.