Polyester/polycarbonate blends
US5239020A · kind A · utility
84Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1991 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Nov 14, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a composition of matter comprising a homogeneous blend of polyester and a polycarbonate of 4,4-isopropylidenediphenol, the composition having a Gardner b value of less than 10 and a Gardner a value of less than 4. The polyester is produced using an organic derivative of tin as catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.