Patent · US Expired

Molding materials based on polyarylene ethers having terminal anhydride groups

US5457169A · kind A · utility

10Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1994
Grant dateOct 10, 1995
Priority date
Expiry dateFeb 28, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S525/906
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Molding materials are based on polyarylene ethers A having terminal anhydride groups and repeating units I ##STR1## in which t and q may each be an integer 0, 1, 2 or 3, T, Q and Z may each be a chemical bond or a group selected from --O--, --S--, --SO.sub.2 --, S.dbd.O, C.dbd.O, --N.dbd.N--, --R.sup.a C.dbd.CR.sup.b -- and --CR.sup.c R.sup.d --, with the proviso that at least one of the groups T, Q or Z is --SO.sub.2 -- or C.dbd.O, R.sup.a and R.sup.b are each hydrogen or C.sub.1 -C.sub.10 -alkyl, R.sup.c and R.sup.d are each hydrogen or a C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy or C.sub.6 -C.sub.18 -aryl group, where the abovementioned groups may each be substituted by fluorine and/or chlorine and Ar and Ar.sup.1 are each C.sub.6 -C.sub.18 -aryl which may have substituents selected from the group consisting of C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.18 -aryl, C.sub.1 -C.sub.10 -alkoxy and halogen, or random copolymers or block copolymers thereof.

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