Properties of glass surfaces

Details Properties of glass surfaces Properties of glass surfaces

1973-07-09

1976-05-18

Smith, Ronald H.

Stock material or miscellaneous articles

Composite

Of quartz or glass

65 30R, 260 465E, 427387, 427399, 428429, 428447, B32B 1710, C03C 1730

Patent

active

039580733

ABSTRACT:
Glass having improved hydrolytic and chemical resistance as well as improved water repellency and mechanical characteristics is obtained by reacting the glass surface with an organoborosiloxane polymer, substituted by one or more of alkyl, aryl, alkoxy, acyl radicals, said organoborosiloxane polymer containing no free hydroxy groups in the presence of one or more organic Ti, Zr, Sn, v compounds at a temperature comprised between 200.degree. and 400.degree.C in order to obtain, through a grafting reaction, a superficial layer of modified glass.

REFERENCES:
patent: 2851439 (1958-09-01), Clark
patent: 3032439 (1962-05-01), Muller
patent: 3334066 (1967-08-01), Lamoreaux
patent: 3336158 (1967-08-01), Wada
patent: 3415778 (1968-12-01), Burzyuski
patent: 3423234 (1969-01-01), Heine
patent: 3522075 (1970-07-01), Kiel
patent: 3567750 (1971-03-01), Wade
patent: 3667926 (1972-06-01), Green
Guidina et al., J. Poly. Sci., USSR, "Synthesis of Boronsiloxane Polymers ..." Vol. 11, No. 2, 1969, pp. 426-431 (pp. 482-488 in translation).

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