A kind of environment-friendly heating material for floor and preparation method thereof
A heating material and environmental protection technology, applied in the direction of floor, building, building structure, etc., can solve the problems of low thermal conductivity, high compressive strength and good flame retardancy of thermal insulation materials, and achieve good flame retardancy and high compressive strength. , the effect of good mechanical properties
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Embodiment 1
[0044] An environmentally friendly heating material for flooring, which is prepared from the following raw materials in parts by weight: 20 parts of heating dry powder, 1 part of binder and 80 parts of polyurethane;
[0045] Wherein, expressed in mass percent, the composition of the exothermic dry powder is: C: 85.6%, Zn: 3%, Al: 4%, Si: 1%, Ni: 2%, Ti: 4% and Ag : 0.4%;
[0046] The environmentally friendly heating material is prepared by the following method:
[0047] Step 1. Preparation of the exothermic dry powder: Weighing each raw material according to the composition of the above exothermic dry powder, then adding each raw material into a blender, stirring and mixing evenly to obtain the exothermic dry powder;
[0048] Step 2. Preparation of mixture A: Add phenolic resin and dextrin into the kneader, then slowly add the above-mentioned heat-generating dry powder into the kneader, stir while adding, and stop after the heat-generating dry powder and binder are mixed even...
Embodiment 2
[0054] An environmentally friendly heating material for flooring, which is prepared from the following raw materials in parts by weight: 30 parts of heating dry powder, 10 parts of binder and 120 parts of polyurethane;
[0055] Wherein, expressed in mass percent, the composition of the exothermic dry powder is: C: 87.9%, Zn: 3%, Al: 4%, Si: 1%, Ni: 2%, Ti: 2%, and Ag : 0.1%;
[0056] The environmentally friendly heating material is prepared by the following method:
[0057] Step 1, is identical with embodiment 1 step;
[0058] Step 2 is the same as in Example 1;
[0059] Step 3, the same step as in Example 1;
[0060] Step 4: Mix 5 parts of sucrose polyether, 3 parts of pentamethyldiethylenetriamine, N,N-dimethylcyclohexylamine and triethylenediamine mixture, 3 parts of blowing agent, 4 parts of modified flame retardant 2. Put 2 parts of dimethylsiloxane into the reaction kettle, add the yellow transparent liquid prepared above, stir and mix at high speed for 1 minute, and...
Embodiment 3
[0064] An environmentally friendly heating material for flooring, which is prepared from the following raw materials in parts by weight: 30 parts of heating dry powder, 1 part of binder and 120 parts of polyurethane;
[0065] Wherein, expressed in mass percentage, the composition of the exothermic dry powder is: C: 86%, Zn: 4%, Al: 4.7%, Si: 1%, Ni: 2%, Ti: 2% and Ag : 0.3%;
[0066] The environmentally friendly heating material is prepared by the following method:
[0067] Step 1, is identical with embodiment 1 step;
[0068] Step 2 is the same as in Example 1;
[0069] Step 3, the same step as in Example 1;
[0070] Step 4: Mix 5 parts of sucrose polyether, 1 part of pentamethyldiethylenetriamine, N,N-dimethylcyclohexylamine and triethylenediamine mixture, 3 parts of blowing agent, and 1 part of modified flame retardant 2. Put 2 parts of dimethylsiloxane into the reaction kettle, add the yellow transparent liquid prepared above, stir and mix at high speed for 1 minute, a...
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