Compositions based on polyisocyanates and alkali metals...

Details Compositions based on polyisocyanates and alkali metals... Compositions based on polyisocyanates and alkali metals...

C - Chemistry, Metallurgy

08

K

403/11, 403/28,

C08K 3/36 (2006.01) C04B 28/00 (2006.01) C04B 28/24 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/38 (2006.01) C08G 83/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1064200

INORGANIC-ORGANIC COMPOSITIONS Abstract of the Disclosure Inorganic-organic compositions obtained from a mixture of compounds comprising: a) from 2-95% by weight of an aqueous alkali metal silicate solution; and containing about 20-70% by weight of said alkali metal silicate and, b) from 5-98% by weight of an organic non- ionic hydrophilic polyisocyanate. A water-binding material such as hydraulic cement may be included in the reaction mixture. The products of the invention may be used in many forms including both porous and non-porous products as surface coatings having good adhesion and resistance to abrasion, as a mortar, and as a foam concrete for making molded products particularly in construction engineering and civil engineering as for building walls, igloos, road building and the like. Products are especially useful as lightweight thermal insulating materials with excellent mechanical properties and fire-resistance.

199167

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