Patent · US Expired

Compounds and their application as well as a method of producing liquid crystalline polymers therefrom

US6313326A · kind A · utility

8Cited by
0References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2000
Grant dateNov 6, 2001
Priority date
Expiry dateMar 16, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2019/0448
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to compounds with the general formula Y.sup.1 --A.sup.1 --M.sup.1 --A.sup.2 --Y.sup.2 wherein PA1 Y.sup.1 and Y.sup.2 are different from each other and Y.sup.1 is an acrylate or methacrylate residue and Y.sup.2 is a vinyl ether, epoxy, or azide residue, PA1 A.sup.1 and A.sup.2 are identical or different residues with the general formula C.sub.n H.sub.2n in which n is a whole number from 0 to 20 and one or more methylene groups can be replaced by oxygen atoms, and PA1 M.sup.1 has the general formula --R.sup.1 --X.sup.1 --R.sup.2 --X.sup.2 --R.sup.3 --X.sup.3 --R.sup.4 -- wherein PA1 R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are identical or different doubly bonded residues from the group --O--, --COO--, --CONH--, --CO--, --S--, --C.ident.C--, --CH.dbd.CH--, --CH.dbd.N--, --CH.sub.2 --, --N.dbd.N--, and --N.dbd.N(O)--, and R.sup.2 --X.sup.2 --R.sup.3 can also be a C--C bond, and PA1 X.sup.1, X.sup.2, and X.sup.3 are identical or different residues from the group 1,4-phenylene, 1,4-cyclohexylene; arylalkane or heteroarylalkane with 1 to 10 carbon atoms which contains one to three heteroatoms from the group O, N, and S, substituted with B.sup.1, B.sup.2, and/or B.sup…

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