Process for substantially increasing the flexibility of a polyester
US4155889A · kind A · utility
16Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1978 |
| Grant date | May 22, 1979 |
| Priority date | — |
| Expiry date | Apr 10, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/88
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a process for substantially increasing the flexibility of a polyester by annealing the polyester. The polyester is either a dimer acid or a poly(alkylene oxide)glycol modified poly(1,4-cyclohexylenedimethylene-1,4-cyclohexanedicarboxylate).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.