A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a lightweight high-bonding-strength foamed cement heat-preserving board. The board comprises the following components by weight proportion: 90 to 95 parts of ordinary portland cement, 5 to 10 parts of rapid hardening sulphoaluminate cement, 6.5 to 8.5 parts of hydrogen peroxide, 0.03 to 0.06 part of triethanolamine, 0.7 to 1.0 part of a polycarboxylate water-reducing agent, 0.3 to 0.5 part of polypropylene fiber, 0.5 to 3.0 parts of a coagulant, 1.5 to 3.0 parts of a foam stabilizer, 1.5 to 3.0 parts of a water-proofing agent and 42 to 48 parts of water. The invention also discloses a preparation method for the board. The method comprises the following steps: weighing, first-stage stirring, secondary-stage stirring, third-stage stirring, casting and foaming, early-stage maintenance, cutting, plastic packaging and post-stage maintenance. The foaming cement heat-preserving board provided by the invention has the advantages of light weight, high strength, good heat-preserving and heat-insulating properties, and simple preparation process; meanwhile, the board has bonding reinforced pores, so bonding strength with a bonding layer is strengthened, and when in installation of the board, the use of an anchoring part can be significantly reduced, or even the anchoring part may not be used.
The invention discloses a lightweight high-bonding-strength foamed cement heat-preserving board. The board comprises the following components by weight proportion: 90 to 95 parts of ordinary portland cement, 5 to 10 parts of rapid hardening sulphoaluminate cement, 6.5 to 8.5 parts of hydrogen peroxide, 0.03 to 0.06 part of triethanolamine, 0.7 to 1.0 part of a polycarboxylate water-reducing agent, 0.3 to 0.5 part of polypropylene fiber, 0.5 to 3.0 parts of a coagulant, 1.5 to 3.0 parts of a foam stabilizer, 1.5 to 3.0 parts of a water-proofing agent and 42 to 48 parts of water. The invention also discloses a preparation method for the board. The method comprises the following steps: weighing, first-stage stirring, secondary-stage stirring, third-stage stirring, casting and foaming, early-stage maintenance, cutting, plastic packaging and post-stage maintenance. The foaming cement heat-preserving board provided by the invention has the advantages of light weight, high strength, good heat-preserving and heat-insulating properties, and simple preparation process; meanwhile, the board has bonding reinforced pores, so bonding strength with a bonding layer is strengthened, and when in installation of the board, the use of an anchoring part can be significantly reduced, or even the anchoring part may not be used.
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