Patent · US Expired

Size composition for impregnating filament strands and glass fibers coated therein

US5024890A · kind A · utility

12Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1988
Grant dateJun 18, 1991
Priority date
Expiry dateNov 22, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/298
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An aqueous size composition for glass fibers is disclosed which includes a coupling agent, a binder or film former material and a thermoplastic polymer resin powder, wherein said composition is applied to the glass fiber surfaces during the fiber forming process. A rheology modifier material may be added to the size composition. One embodiment of the composition includes an organosilane coupling agent, a polyethylene oxide binder material and a polyamide thermoplastic polymer resin.

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