Processing additives for tetrafluoroethylene polymers

Details Processing additives for tetrafluoroethylene polymers Processing additives for tetrafluoroethylene polymers

1990-03-23

1992-01-14

Short, Patricia

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525190, 528481, C08L 2718

Patent

active

050811886

ABSTRACT:
A composition comprising tetrafluoroethylene polymers and selected poly(2,2-dialkylpropiolactones) that is useful as a molding compound is disclosed. Also provided is a process for the production and use of such a mixture and the pyrolysis of the mixture to give polytetrafluoroethylene parts.

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patent: 3054761 (1962-09-01), Moore et al.
patent: 3207825 (1965-09-01), Tully
patent: 3407249 (1968-10-01), Landi
patent: 3592877 (1971-07-01), Mullins
patent: 3679614 (1972-07-01), Shah et al.
patent: 4158688 (1979-06-01), Pett et al.
patent: 4158689 (1979-06-01), Pett et al.
J. F. Lontz et al., Ind. Eng. Chem., vol. 44, pp. 1805-1810.

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