Patent · US Expired

Flash spinning process and flash spinning solution

US6162379A · kind A · utility

4Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1999
Grant dateDec 19, 2000
Priority date
Expiry dateApr 28, 2019

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01F6/30
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A process for producing plexifilamentary products by spinning from a spin fluid of a polyolefin dissolved in a primary spin agent selected from the group consisting of 1,1,2-trichloro-2,2-difluoroethane and isomers thereof; 1,1,3-trichloro-2,2,3,3-tetrafluoropropane and isomers thereof; 1,2-dichloro-3,3,3-trifluoropropane and isomers thereof; and 1,2-dichloro-1-fluoroethylene; and a co-spin agent; and also a spin fluid of a polyolefin dissolved in a primary spin agent selected from the group consisting of 1,1,2-trichloro-2,2-difluoroethane and isomers thereof; 1,1,3-trichloro-2,2,3,3-tetrafluoropropene and isomers thereof; 1,2-dichloro-3,3,30-trifluoropropane and isomers thereof; and 1,2-dichloro-1-fluoroethylene; and a co-spin agent.

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