Polytetrafluoroethylene cotton-like materials

Details Polytetrafluoroethylene cotton-like materials Polytetrafluoroethylene cotton-like materials

1998-05-29

1999-12-07

Edwards, N.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

428370, 428373, 428400, 428364, D02G 300

Patent

active

059980222

ABSTRACT:
To provide a PTFE composite fiber having remarkably improved thermal bonding property, PTFE cotton-like materials which can be used for producing a non-woven fabric by thermal bonding method, processes for production thereof, a process for producing a split yarn, a process for producing a monofilament and a process for producing a multifilament having loop and/or branched structure.
A thermofusing resin layer is provided on the surface of the PTFE fiber. After lamination of the PTFE film and the thermofusing resin film, uniaxial stretching is carried out at a temperature between the melting points of the respective films.

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