Compatibilized blends of polyphenylene ether and polyphthalamide
US5916970A · kind A · utility
18Cited by
92References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Jan 6, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L65/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymer blend compositions comprise (a) a polyphenylene ether polymer, (b) a polyphthalamide comprising the reaction product of (i) hexamethylene diamine or a mixture of hexamethylene diamine and trimethylhexamethylene diamine, and (ii) terephthalic acid, and optionally (iii) at least one acid selected from the group consisting of isophthalic acid and adipic acid, provided that a mixture of said diamines is employed if reactant (iii) is absent, and (c) at least one compatibilizer. The compositions may further include an aliphatic polyamide and/or an impact modifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.