Coating technology: preparation technology of phase change energy storage thermal insulation mortar

Key tips: 1 Formula composition: Raw material name: w /% Portland cement (42.5R), 30-35 fly ash (grade II), 5-10 calcium bentonite (300 mesh), 2-3 redispersible rubber powder (ri551z), 2-3 hydroxypropylmethylcellulose, 0.2-0.3 polyacrylamide powder (2-4 million), 0.1 polypropylene fiber (8-12 m m), 0.2-0.4 wood fiber (1000 μ M), 0.2-0.4 permeable crystalline waterproof agent, 4.0-5.0 air entraining agent, 0.05 vitrified micro bead Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Coating home news: 1 Formula composition: raw material name: w /% Portland cement (42.5R), 30-35 fly ash (grade II), 5-10 calcium bentonite (300 mesh), 2-3 redispersible rubber powder (ri551z), 2-3 hydroxypropylmethylcellulose, 0.2-0.3 polyacrylamide powder (2-4 million), 0.1 polypropylene fiber (8-12 m m), 0.2-0.4 wood fiber (1000 μ m), 0.2-0.4 permeable crystalline waterproof Agent 4.0-5.0 air entraining agent 0.05 vitrified beads (90-120 kg / M) 20-22 shaped phase change materials 18-20 hollow glass beads (150 mesh) 14-15 Among them, the fixed phase change material is composed of expanded perlite and octadecane wax with a mass ratio of 1:1; the permeable crystalline waterproof agent is composed of 20% instant sodium silicate, 30% aluminum stearate, 30% lime calcium powder, 20% wollastonite and a small amount of organosilicon hydrophobic agent, water reducing agent and retarder 2 Preparation of phase change materials with fixed preparation process (1) add expanded perlite into the water bath heating reactor, rotate speed is 80 R / min, temperature is 80 ℃, vacuum for 20 min, negative pressure is 0.5-0.6 MPa, close the air valve and open the liquid feeding valve, slowly add the melted octadecane wax (2) Close the feeding valve, vacuumize, the negative pressure is 0.9-1.0 MPa, the mixing speed is modulated 120 R / min, the heat preservation reaction is 30 min, close the vacuum pump, discharge, cool and pack (3) In the production process, octadecane wax with melting point of 30 ℃ is added to prepare the fixed phase change material for external wall heat preservation and insulation mortar; octadecane wax with melting point of 22 ℃ is added to prepare the fixed phase change material for internal wall heat preservation and insulation mortar The preparation of permeable crystalline waterproof agent is weighed according to the formula, the raw materials are added into the double screw mixer, and the mixture is even For the preparation of phase change energy storage thermal insulation mortar, firstly, the hollow glass beads and fly ash are added into the mortar mixer, fiber materials are added into the mixer, and then cement, bentonite, rubber powder and other powder materials are added after the fiber materials are evenly distributed, finally, the vitrified beads and the shaped phase change materials are added, and the materials are discharged immediately after the mixture is even, so as to avoid the crushing of light aggregate due to long-time mixing Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,