Patent · US Expired

Sheet material, process for its production and its use in the production of a composite structure

US4569884A · kind A · utility

13Cited by
11References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 1982
Grant dateFeb 11, 1986
Priority date
Expiry dateSep 17, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/674
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A sheet material useful for preparing high strength composite structures, especially in the field of light weight construction material, comprises a layer (A) of a high strength fibrous material impregnated and/or coated with a curable synthetic resin in the B-stage and a layer (B) of a polyamide polymer or another polymer having similar properties and being compatible with the curable synthetic resin of layer (A), which layer (B) is partially or completely bound to or embedded in layer (A).

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