Composite foamable cements
First Claim
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1. An inorganic cement mixture, capable of being foamed, and consisting essentially of, in percent by weight, 8-20% crystalline hydraulic cement, 22-35% of a hydraulic cement in the form of a silicate glass powder, and 45-70% of quaternary ammonium silicate solution.
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Abstract
An inorganic cement mixture, capable of being thermally foamed in situ, consists essentially by weight of 8-20% of crystalline hydraulic cement, 22-35% of a hydraulic cement in the form of a glass powder, and 45-70% quaternary ammonium silicate solution. The mixture can be set as a cement and thermally foamed to unite two bodies and serve as a spacer and support to maintain them in spaced relation.
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7 Claims
- 1. An inorganic cement mixture, capable of being foamed, and consisting essentially of, in percent by weight, 8-20% crystalline hydraulic cement, 22-35% of a hydraulic cement in the form of a silicate glass powder, and 45-70% of quaternary ammonium silicate solution.
- 6. A method of forming an inorganic cement body which comprises forming a thixotropic mixture consisting essentially of, in percent by weight, 8-20% crystalline hydraulic cement, 22-35% of a hydraulic cement in the form of a silicate glass powder, and 45-70% of quaternary ammonium silicate, and allowing the mixture to react and set at a temperature below 150°
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