Patent · US Expired

Impact resistant matrix resins for advanced composites

US4661559A · kind A · utility

38Cited by
2References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 1985
Grant dateApr 28, 1987
Priority date
Expiry dateJan 10, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S525/907
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Described herein is a composition which contains a specific group of hardeners, an epoxy resin and a thermoplastic polymer. When combined with a structural fiber the composition produces composites which have improved impact resistance, improved tensile properties and high compressive properties.

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