Patent · US Expired

Flash spinning solution

US6303682A · kind A · utility

6Cited by

12References

6Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Hyunkook Shin · Wilmington, US
Roger Keith Siemionko · Hockessin, US

Key dates

Filing date	Oct 5, 2000
Grant date	Oct 16, 2001
Priority date	—
Expiry date	Oct 5, 2020

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-tetrafluoropropane and isomers thereof; 1,2-dichloro-3,3,3-trifluoropropane and isomers thereof; and 1,2-dichloro-l-fluoroethylene; and a co-spin agent.

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