Polyester carbonate and method for producing polyester carbonate
US11505698B2 · kind B2 · utility
1Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2018 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Jan 20, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/041
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.