Patent · US Expired

Polyolefin solution using halogen group solvents

US5369165A · kind A · utility

12Cited by
14References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 1994
Grant dateNov 29, 1994
Priority date
Expiry dateFeb 3, 2014

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01D5/11
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A halogen group solvent comprising a mixed solvent consisting essentially of bromochloromethane and/or 1,2-dichloroethylene and a co-solvent, wherein the co-solvent is at least one member selected from the group consisting of carbon dioxide, sulfur hexafluoride, difluorochloromethane, 1,1,1,2-tetrafluoroethane, etc., and the content of said co-solvent in the mixed solvent is 3 to 65% by weight; a polyolefin solution using the solvent; and a process for producing a three-dimensional fiber of a polyolefin using the solution.

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