Energy-saving environment-friendly solar heat preservation building material
A building material, energy-saving and environment-friendly technology, applied in the field of solar thermal insulation building materials, can solve problems such as poor thermal insulation performance, and achieve the effects of increased closed cell rate, improved dimensional stability, and excellent performance
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Example Embodiment
[0014] Example one
[0015] This embodiment provides an energy-saving and environmentally-friendly solar thermal insulation building material, which is obtained by mixing and foaming raw materials with the following weight fractions: 120 parts of dimer acid diisocyanate, 50 parts of polyether polyol I, and polyether polyol Ⅱ35 parts, 3 parts of expanded vermiculite, 5 parts of nano-silica, 10 parts of monochlorodifluoroethane, 5 parts of dimethyl methyl phosphate, 1 part of diethanol monoisopropanolamine, silicone foam stabilizer 1 copy;
[0016] The functionality of the polyether polyol I is 4.5, and its hydroxyl value is 370mgKOH / g, which is prepared according to the following parts by weight of raw materials and methods:
[0017] (1) Weigh 50 parts of lignin, 30 parts of water, 1 part of lignin peroxidase, 1 part of catalase, 1 part of furan acetaldehyde and 3 parts of furfuryl alcohol in a reactor. The reaction temperature is 80°C. Stir and react for 5 hours to obtain enzymatic...
Example Embodiment
[0022] Example two
[0023] This embodiment provides an energy-saving and environmentally-friendly solar thermal insulation building material. The thermal insulation building material is obtained by mixing and foaming raw materials with the following weight fractions: 140 parts of dimer acid diisocyanate, 70 parts of polyether polyol I, and polyether polyol Ⅱ50 parts, 6 parts of expanded vermiculite, 8 parts of nano-silica, 20 parts of monochlorodifluoroethane, 6 parts of dimethyl methyl phosphate, 5 parts of diethanol monoisopropanolamine, silicone foam stabilizer 5 copies;
[0024] The functionality of the polyether polyol I is 5.0, and its hydroxyl value is 410 mgKOH / g, and it is prepared according to the following raw materials and methods in parts by weight:
[0025] (1) Weigh 100 parts of lignin, 50 parts of water, 5 parts of lignin peroxidase, 3 parts of catalase, 10 parts of furan acetaldehyde and 10 parts of furfuryl alcohol in a reactor. The reaction temperature is 80°C. ...
Example Embodiment
[0030] Example three
[0031] This embodiment provides an energy-saving and environmentally-friendly solar thermal insulation building material, which is obtained by mixing and foaming raw materials with the following weight fractions: 130 parts of dimer acid diisocyanate, 60 parts of polyether polyol I, and polyether polyol Ⅱ 40 parts, 5 parts of expanded vermiculite, 6 parts of nano silicon dioxide, 15 parts of monochlorodifluoroethane, 5.5 parts of methyl dimethyl phosphate, 3 parts of diethanol monoisopropanolamine, silicone foam stabilizer 3 copies;
[0032] The functionality of the polyether polyol I is 4.8, and its hydroxyl value is 390mgKOH / g, and it is prepared according to the following raw materials and methods in parts by weight:
[0033] (1) Weigh 75 parts of lignin, 40 parts of water, 3 parts of lignin peroxidase, 2 parts of catalase, 5 parts of furan acetaldehyde and 6 parts of furfuryl alcohol in a reactor. The reaction temperature is 80°C. Stir and react for 5 hour...
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