Porous polytetrafluoroethylene and a process for the production

Details Porous polytetrafluoroethylene and a process for the production Porous polytetrafluoroethylene and a process for the production

1994-03-16

1995-04-04

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264127, 2642358, 2642884, 2642888, 2642902, 521 79, 521 81, 521134, 521145, B27J 500, B29C 3502

Patent

active

054035244

ABSTRACT:
A new porous polytetrafluoroethylene (PTFE) and a process for the production thereof is provided. Both the PTFE and the process excel by the fact that polytetrafluoroethylene is radiation-chemically degraded, the degraded polytetrafluoroethylene is mixed with a high-molecular emulsion polymerisate of polytetrafluoroethylene and the mixture is extruded, stretched and may additionally be sintered.

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