Method of bonding fluoro plastics to a base

Details Method of bonding fluoro plastics to a base Method of bonding fluoro plastics to a base

1974-08-06

1976-02-17

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156322, C09J 506

Patent

active

039390276

ABSTRACT:
A method of bonding a fluoro plastic to a substance to be covered therewith. The fluoro plastic is heated along with the substance to be covered to a temperature above the melting point of the fluoro plastic, and then the substance and the fluoro plastic in the melted state are brought into contact and kept at the temperature for a time sufficient to wet the boundary surface between the fluoro plastic and the substance. The boundary surface is then gradually cooled from the melting point to a further temperature at which the rate of crystallization of the fluoro plastic is maximized. Thereafter the substance is cooled to room temperature. The process prevents the internal stress caused in the fluoro plastic from being concentrated at the boundary surface.

REFERENCES:
patent: 3318029 (1967-05-01), Jacobson
patent: 3826704 (1974-07-01), Ohya et al.

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