Aromatic polyester amide
US6649730B2 · kind B2 · utility
19Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2002 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Sep 23, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/44
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The object of the present invention is to provide an aromatic polyester amide which has improved mechanical strength and high elastic modulus after being molded into a thin wall article as well as exhibits excellent heat stability and moldability. The present invention provides an aromatic polyester amide comprising the following repeating units (a)-(d): [wherein n in (c) represents 0 or 1]wherein (a) is from 2 to 20 mole %, (b) is from 30 to 65 mole %, (c) is from 15 to 35 mole % and (d) is from 15 to 30 mole % provided that the sum of (a) to (d) is 100 mole %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.