Process for the preparation of a modified polytetrafluoroethylen

Details Process for the preparation of a modified polytetrafluoroethylen Process for the preparation of a modified polytetrafluoroethylen

1995-11-07

1996-11-19

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526247, C08F 200

Patent

active

055764029

ABSTRACT:
If the employment of polymerization auxiliaries in ammonium form is avoided in the preparation of a polytetrafluoroethylene having a content of 0.02 to 1% by weight of units of a perfluoro-(alkyl vinyl) ether by the suspension process, a polymer which does not tend to discoloration on heating is obtained.

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patent: 3819594 (1974-06-01), Holmes et al.
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patent: 4078134 (1978-03-01), Kuhls et al.
patent: 4078135 (1978-03-01), Sulzbach et al.
patent: 4262101 (1981-04-01), Hartwimmer et al.
patent: 4499249 (1985-02-01), Nakagawa et al.
patent: 4879362 (1989-11-01), Morgan
patent: 5153285 (1992-10-01), Felix et al.

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