Patent · US Expired

Secondary coating for fiber strands, coated strand reinforcements, reinforced polymeric composites and a method of reinforcing a polymeric material

US6211280A · kind A · utility

15Cited by
6References
27Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 19, 1998
Grant dateApr 3, 2001
Priority date
Expiry dateOct 19, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2969
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention provides aqueous coating compositions adapted to coat a fiber strand having thereon a sizing composition. The aqueous coating compositions include a urethane-containing polymer and a polymer prepared by addition polymerization of a monomer selected from the group consisting of acrylic acid, methacrylic acid and a mixture thereof. Also provided by the present invention are sized fiber strands coated with the secondary coating composition and composites reinforced with the same.

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