Anti-cracking flexible tapestry brick
The invention discloses an anti-cracking flexible tapestry brick, and belongs to the technical field of building materials. Cement, dry sand, sepiolite, tetraethoxysilane-coated microballoon spheres,emulsion, a thickening agent, water a silane coupling agent, silicon nitride whiskers, phosphatide an...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an anti-cracking flexible tapestry brick, and belongs to the technical field of building materials. Cement, dry sand, sepiolite, tetraethoxysilane-coated microballoon spheres,emulsion, a thickening agent, water a silane coupling agent, silicon nitride whiskers, phosphatide and a polyvinyl alcohol solution are put into a mixer, on the condition that the rotating speed is 100-200 r/min, stirring and mixing are performed for 10-20 min, mixed slurry is obtained, a release agent is sprayed into a mold, then, the mixed slurry is injected into the mold, the mold is placed into a hot press, hot pressing is performed for 3-5 min on the condition that the temperature is 100-120 DEG C and the pressure is 1.2-1.5 MPa to obtain a green brick, then, the green brick is placed into a drying oven to be dried, and demolding is performed to obtain the anti-cracking flexible tapestry brick. The anti-cracking flexible tapestry brick obtained through the technical scheme has the advantages of being excellen |
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