Method of improving the adhesion of plastics to metals in dental

Details Method of improving the adhesion of plastics to metals in dental Method of improving the adhesion of plastics to metals in dental

1989-01-19

1990-06-12

Pianalto, Bernard

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

427307, 427327, 427387, 4273881, 4273977, 427409, B05D 304

Patent

active

049332023

ABSTRACT:
In a process for improving the adhesion of plastics to metals in the production of dental prostheses, in which a silicon dioxide layer is applied to the metal surface and subsequently silanized and then the plastic and metal bonded together the improvement consisting essentially of, forming the silicon dioxide layer by (1) applying a silica sol or dispersion of very finely divided silica to the metal surface and (2) baking the sol or dispersion at a temperature of 100.degree. to 800.degree. C.

REFERENCES:
patent: 3657003 (1970-02-01), Kenney
patent: 4243721 (1979-03-01), Baney et al.

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