Process of coating aluminum materials molded by extrusion with p

Details Process of coating aluminum materials molded by extrusion with p Process of coating aluminum materials molded by extrusion with p

1977-03-23

1978-09-19

Smith, John D.

Coating processes

With post-treatment of coating or coating material

Heating or drying

295273, 295275, 72 46, 72253R, 148 131, 148159, 148 627, 427318, 427401, C23F 1700

Patent

active

041156072

ABSTRACT:
Shaped aluminum bars fresh from an extruder machine are coated with a specific organopolysiloxane composition while remaining uncooled and staying at temperatures not lower than about 250.degree. C, or at a temperature between about 550.degree. and 250.degree. C. The thus coated aluminum bars are then, preferably, subjected to annealing. The coatings formed on the surfaces of the aluminum materials have a superior resistance to attack by chemicals, weather, stains and heat as well as excellent adhesion and mechanical properties.

REFERENCES:
patent: 2871141 (1959-01-01), Van Deusen
patent: 2991204 (1961-07-01), Astle
patent: 3061467 (1962-10-01), Vincent
patent: 3455732 (1969-07-01), Hathaway
patent: 3532537 (1970-10-01), Richards
patent: 3560244 (1971-02-01), Neuroth
patent: 3899370 (1975-08-01), Takahasi et al.
patent: 3935349 (1976-01-01), Tergi et al.
patent: 4039355 (1977-08-01), Takahasi et al.

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