Liquid crystal copolyester having blocked molecular chain terminal
US4904752A · kind A · utility
27Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1987 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Nov 13, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/3809
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A liquid crystal copolyester having a blocked molecular chain terminal comprising a copolyester which exhibits anisotropy in a molten state and has a functional group located at the terminal of its molecular chain and is blocked with a low-molecular compound having at least one aromatic ring and a molecular weight of 350 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.