Patent · US Active

Process and product of high strength UHMW PE fibers

US8889049B2 · kind B2 · utility

1Cited by
12References
13Claims
0Family size

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Key dates

Filing dateApr 30, 2010
Grant dateNov 18, 2014
Priority date
Expiry dateNov 17, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2929
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An improved process for solution spinning of ultra-high molecular weight polyethylene (UHMW PE) filaments, wherein the 10 wt % solution of the UHMW PE in mineral oil at 250° C. has a Cogswell extensional viscosity and a shear viscosity within select ranges.

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