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A phase-change gypsum board with temperature control performance and its preparation method
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A gypsum board and phase change technology, applied in the field of building materials, can solve the problems such as the influence of the phase change material on the performance of the gypsum board, the energy storage effect, etc.
Active Publication Date: 2022-01-28
CHINA NAT BUILDING MATERIALS TECHCAL INNOVATION & RES INST LIMITED
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Problems solved by technology
However, none of the above patents mentions the influence of phase change materials on the performance of gypsum boards and their energy storage effects.
Method used
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Embodiment 1
[0036]
[0037]
[0038] According to the above formula, fully mix the plaster of paris, modified starch, chopped glass fiber and raw gypsum to form a dry powder;
[0039] Mixing the original phase-change microcapsule solution with 60 parts of water, so that the phase-change material is evenly distributed in the water to form a phase-change microcapsule solution;
[0040] Mix sodium lauryl sulfate with 12 parts water to form a wet mass;
[0041] Fully mix the dry powder material, phase change microcapsule solution and wet material to form a slurry;
[0042] The slurry is placed in the middle of the protective paper, cut and dried to form a phase-change gypsum board with temperature control performance.
Embodiment 2
[0044]
[0045] According to the above formula, fully mix the plaster of paris, pregelatinized starch, modified starch, chopped glass fiber and raw gypsum to form a dry powder;
[0046] Mixing the original phase change microcapsule solution with 50 parts of water, so that the phase change material is evenly distributed in the water to form a phase change microcapsule solution;
[0047] Mix sodium lauryl sulfate with 18 parts water to form a wet mass;
[0048] Fully mix the dry powder material, phase change microcapsule solution and wet material to form a slurry;
[0049] The slurry is placed in the middle of the protective paper, cut and dried to form a phase-change gypsum board with temperature control performance.
Embodiment 3
[0051]
[0052] According to the above formula, fully mix the plaster of paris, modified starch, carbon fiber, raw gypsum and potassium sulfate to form a dry powder;
[0053] Mixing the original phase change microcapsule solution with 50 parts of water, so that the phase change material is evenly distributed in the water to form a phase change microcapsule solution;
[0054] Mix sodium dodecylbenzenesulfonate with 15 parts of water to form a wet mass;
[0055] Fully mix the dry powder material, phase change microcapsule solution and wet material to form a slurry;
[0056]The slurry is placed in the middle of the protective paper, cut and dried to form a phase-change gypsum board with temperature control performance.
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Abstract
The application discloses a phase-change gypsum board with temperature control performance. Based on 100 parts by weight of plaster, the original solution of phase-change microcapsules accounts for 20-80 parts by weight, the binder accounts for 0.5-1.5 parts by weight, and the reinforcing agent accounts for 20-80 parts by weight. 0.05-0.5 parts by weight, the coagulant accounts for 0.05-2 parts by weight, the surfactant accounts for 0.05-1 parts by weight, the water accounts for 65-90 parts by weight, and the protective paper accounts for 2-10 parts by weight. The present application also provides the preparation method of the gypsum board with temperature control performance, comprising: fully mixing plaster of Paris, binder, reinforcing agent, and coagulant to form a dry powder; mixing water reducer, surfactant and water Mix to form a wet material; fully mix the dry powder material, the phase change microcapsule solution and the wet material to form a slurry; place the slurry in the middle of the protective paper, cut and dry to form the phase change gypsum board. The temperature of the phase-change gypsum board with temperature control performance of the present application has a small fluctuation range with time.
Description
technical field [0001] The application relates to the field of building materials, in particular to a phase-change gypsum board with temperature control performance and a preparation method thereof. Background technique [0002] According to a survey by the International Energy Agency, in the past 20 years, primary energy consumption has increased by 49%, and CO2 emissions account for about 43%. Moreover, 30% to 40% of energy consumption is building energy consumption. Thermal energy storage materials are considered to be a way to coordinate energy consumption and energy supply balance. Applying phase change energy storage materials to building materials and rational use can reduce Building energy consumption, therefore, phase change energy storage building materials are research hotspots. Patent CN201410176349.0 pointed out that the building energy-saving heat preservation method and the preparation scheme of hollow blocks, the phase change material is directly mixed with ...
Claims
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