Patent · US Expired

Process and composition for lowering the reversible phase change temperature of nylon compositions

US4481354A · kind A · utility

7Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1982
Grant dateNov 6, 1984
Priority date
Expiry dateDec 20, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G69/46
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for modifying certain polyamides by use of a novel combination of an organic sulfone and a lithium halide as a processing aid to yield a modified polymer having thermal stability and a lowered melting point (lower than unmodified polymer).

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