Curable composition comprising a calcium fluoro-alumino silicate

Details Curable composition comprising a calcium fluoro-alumino silicate Curable composition comprising a calcium fluoro-alumino silicate

1976-05-11

1978-10-31

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

32 15, 106 35, 106 52, 128 87R, 260 42, 526317, C08K 714

Patent

active

041234162

ABSTRACT:
A novel calcium fluoroaluminosilicate glass consisting essentially of from 25 to 35% by weight of silicon calculated as silica, from 30 to 40% by weight of aluminum calculated as alumina, from 20 to 35% by weight calcium, calculated as calcium oxide, and up to 9% by weight fluorine (preferably 4-7%) can be associated with a poly(carboxylic acid) e.g. as an intimate mixture of glass and acid to constitute a composition curable on contact with water and useful, for example, as a loading on a splinting bandage. Such a bandage preferably has a ratio of set time to gel time from 4:1 to 8:1 with a minimum gel time of 60 seconds.

REFERENCES:
patent: 1529259 (1925-03-01), Locke et al.
patent: 3814717 (1974-06-01), Wilson et al.
patent: 3981736 (1976-09-01), Broemer et al.
Kirk-Othmer, Encyclopedia of Chemical Technology (2nd ed.), (Interscience) (N.Y.) (1966), p. 580, (vol. 9).

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