Construction material with calcium silicate monohydrate produced

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

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428313, 428316, 428320, 428325, 428411, 428428, 428433, 428432, 428438, 428442, 428446, 428454, 428469, 428472, 428463, 428464, 428514, 428538, 428539, 428540, 428543, 260 296PS, 427189, 427201, B32B 516, B32B 518, B32B 528, C08L 3104

Patent

active

040150402

ABSTRACT:
Calcium silicate monohydrate (2CaO.sup.. SiO.sub.2.sup.. H.sub.2 O) can be produced in a coating which has been formed by a coating material containing silica sol alone or silica sol and other additives such as aggregate, viscosity increasing agent, etc. by subjecting the coating to a chemical treatment such as heat-treatment, ultra-violet ray irradiation treatment, etc. in the presence of water and a calcium compound which may be present either in the coating material, or in the treating liquid, or in an object to be coated. The film which contains the calcium silicate monohydrate produced by said chemical treatment has remarkably high hardness and is excellent in water-resistance, water-imperviousness, weather-resistance, and heat-resistance.

REFERENCES:
patent: 1238202 (1917-08-01), Schwerin
patent: 3901991 (1975-08-01), Ueda et al.

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