Ternary polyetherimide/polyester/polyester blends
US5648433A · kind A · utility
7Cited by
15References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 15, 1995 |
| Grant date | Jul 15, 1997 |
| Priority date | — |
| Expiry date | Nov 15, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L79/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to: a visually clear blend of thermoplastic polymers comprising: (A) a polyetherimide, (B) a mixture of polyesters comprising: PA1 (1) a polyester comprising repeat units from: PA2 (a) 2,6-naphthalene dicarboxylic acid and PA2 (b) ethylene glycol PA1 (2) a polyester comprising repeat units from: PA2 (a) an acid selected from the group consisting of terephthalic acid and isophthalic acid or mixtures thereof, and PA2 (b) a glycol selected from the group consisting of ethylene glycol, 1,4-cyclohexanedimethanol or a mixture thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.