Liquid crystalline polymers, processes for their manufacture, and articles thereof
US7105106B2 · kind B2 · utility
15Cited by
16References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2003 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | Oct 24, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Thermotropic liquid crystalline polymers are produced by the reaction of a polyester made from an aromatic dicarboxylic acid and a diol, one or more hydroxycarboxylic acids, a stoichiometric excess of an aromatic diol, and a carboxylic acid anhydride. Also disclosed are novel liquid crystalline polymers that may be produced by this process. These liquid crystalline polymers are useful as molding resins and shaped articles thereof are produced. In particular, the articles include films, sheets, containers and portions thereof comprising these LCPs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.