Gypsum-based plastering material
A technology of gypsum-based and heat-storage materials, applied in the field of gypsum-based plastering materials, can solve the problems of poor performance of gypsum products, separation of board core and paper core, surface frosting, etc., and achieves improved waterproof effect, easy adjustment and control, strong The effect of adsorption capacity
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[0053] 2. Preparation of gypsum-based plastering materials
[0054] Step 1: Weigh each component according to the mass in Table 1;
[0055] Step 2: Mix desulfurized gypsum, modified composite phase change energy storage heat storage material, and retarder evenly, and put them in a constant temperature and constant pressure vacuum drying oven at a temperature of 40±2°C and a vacuum of -0.08MPa. The temperature and vacuum were vacuumized for 10 minutes;
[0056] Step 3: Blend the premixed powder obtained in step 2 with fly ash and sands of different particle sizes, and filter out 70-90 mesh fine river sand by optimizing the particle gradation of the mixture, and mix evenly;
[0057] Step 4: uniformly mix the premixed powder obtained in step 3 with cement, water reducer, latex powder, and cellulose ether to prepare the gypsum-based plastering material.
[0058] 3. Preparation of gypsum-based plastering mortar
[0059] The gypsum-based plastering material prepared above is mixe...
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