Method of preparing an organopolysiloxane for surface coating

Details Method of preparing an organopolysiloxane for surface coating Method of preparing an organopolysiloxane for surface coating

1975-03-19

1977-05-17

Esposito, Michael F.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427407C, 428412, 428447, 428500, 260 465R, 260 465G, 260825, B32B 904, C08G 7704

Patent

active

040243060

ABSTRACT:
The coating composition is prepared by partial co-hydrolysis and co-condensation of a mixture comprising an organotrialkoxysilane or its combination with a tetraalkoxysilane, a fluoroalkylalkoxysilane and a hydroxy-endblocked diorganopolysiloxane in the presence of an acid catalyst. The organopolysiloxanes thus prepared are suitable for coating plastic surfaces to produce a coating on the surfaces, the cured coating film having hardness as well as flexibility sufficient to ensure a very strong resistance to swelling, dissolution or corrosion by attacks of solvents and chemicals.

REFERENCES:
patent: 3451838 (1969-06-01), Burzynski
patent: 3650808 (1972-03-01), Gagnon
patent: 3676420 (1972-07-01), Fulton
patent: 3707397 (1972-12-01), Gagnon
patent: 3794556 (1974-02-01), Young
patent: 3825618 (1974-07-01), Pepe
patent: 3826782 (1974-07-01), Lengnick
patent: 3859320 (1975-01-01), Atherton

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