Polyalkylene ethers as plasticizers and flow aids in poly(1,4-cyclohexanedimethylene terephthalate) resins
US5624987A · kind A · utility
11Cited by
13References
41Claims
0Family size
Inventors
Key dates
| Filing date | Sep 15, 1995 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | Sep 15, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a polyester composition comprising a blend of: PA1 (A) 99.5 to 75 weight % of a copolyester having an inherent viscosity of 0.1 to 1.2 dL/g and having a melting point in excess of 250.degree. C., comprising: PA2 (a) one or more dicarboxylic acids, and PA2 (b) a glycol component comprising at least 80 mole % 1,4-cyclohexanedimethanol; and PA1 (B) 0.5 to 25 weight % of one or more polyalkylene ethers, wherein the weight percentages of all components in said blend total 100 weight %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.