Patent · US Expired

Size composition for impregnating filament strands

US5387468A · kind A · utility

12Cited by
11References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1993
Grant dateFeb 7, 1995
Priority date
Expiry dateJan 21, 2013

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 thermoplastic polymer resin powder, a coupling agent, and fugitive processing aids, such as binders or film formers. The composition is applied to the glass fiber surfaces during the fiber forming process. A fugitive rheology modifier material may be added to the size composition. One embodiment of the composition includes a polyethylene oxide binder material and a polyphenylene sulfide thermoplastic polymer resin.

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