Patent · US Expired

Liquid crystalline polymer compositions

US5525700A · kind A · utility

20Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1995
Grant dateJun 11, 1996
Priority date
Expiry dateApr 17, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention relates to liquid crystalline polymers (LCPs) derived from (I) hydroquinone and/or 4,4'-biphenol and/or bis(4-hydroxylphenyl) ether, (II) terephthalic acid, (lII) 2,6-naphthalene dicarboxylic acid and/or 4,4'-bibenzoic acid, (IV) 4-hydroxybenzoic acid, (V) 6-hydroxy-2-naphthoic acid, and optionally (VI) an aliphatic diol in specified ratios. In addition to forming exceptionally tough films, the LCPs are useful as molding resins or for blending with other thermoplastic polymers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.