Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing
Patent
1991-08-05
1993-09-07
Bell, Mark L.
Compositions: coating or plastic
Coating or plastic compositions
Alkali metal silicate containing
106601, 106605, 501 39, 501 80, 501 81, 501 82, 501 83, 501 84, 501 85, C04B 1204, C04B 3802
Patent
active
052424944
ABSTRACT:
This invention relates to a foamable silicate composition comprising (a) one or more alkali metal silicates, (b) a blowing agent, (c) a hardener which can be an acetate or a formate ester of a di-polyhydric alcohol or a polyoxyalkylene glycol and (d) a surfactant having a hydrophilic-lypophilic balance of at least 8. The formulations are readily produced by mixing the components, are pourable, pumpable and sprayable, and give rise to foams of excellent compressive strength and thermal insulation properties under ambient conditions.
REFERENCES:
patent: 3095312 (1963-06-01), Holmes
patent: 3661602 (1972-05-01), Gerow
Callaghan Ian C.
Cooper Elizabeth C.
Lepre Anne
Taylor Alistair S.
Bell Mark L.
British Technology Group Ltd.
Green Anthony J.
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