CN103274718A - Temperature-sensitive humidity-sensitive functional building material and preparation method thereof - Google Patents
Temperature-sensitive humidity-sensitive functional building material and preparation method thereof Download PDFInfo
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- CN103274718A CN103274718A CN2013101844192A CN201310184419A CN103274718A CN 103274718 A CN103274718 A CN 103274718A CN 2013101844192 A CN2013101844192 A CN 2013101844192A CN 201310184419 A CN201310184419 A CN 201310184419A CN 103274718 A CN103274718 A CN 103274718A
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Abstract
The invention relates to a temperature-sensitive humidity-sensitive functional building material and a preparation method thereof. The functional building material is a plate made from the following ingredients in parts by weight: 40-60 parts of cementing material, 6-12 parts of composite temperature control material, 15-30 parts of semi-carbonized plant fiber, 10-25 parts of filling, 0.5-2 parts of foaming agent, and 0.05-0.2 parts of foam stabilizer. The preparation method comprises the following steps of: uniformly mixing all the ingredients, adjusting the ratio of water to materials to 0.30-0.45 to prepare the plate, curing the plate in an environment at the temperature of 25 DEG C and relative humidity not less than 80% for 7 days and then drying the plate to obtain the temperature-sensitive humidity-sensitive functional building material. Therefore, the temperature-sensitive humidity-sensitive functional building material provided by the invention can be used for effectively improving the comfort of an indoor environment, is simple in production and construction process, can be widely applied to the inner walls of an existing building and a new building, and is of a great significance in energy conservation, emission reduction and circular economy development.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of temperature sensitive and wet quick building function material and preparation method thereof.
Background technology
World's total energy consumption has 1/3 to be building energy consumption approximately at present, and wherein heating, air conditioning energy consumption account for building energy consumption 60%～70%.According to measuring and calculating, will rise to 35% to the ratio of the year two thousand twenty China building energy consumption account whole society total energy consumption, national air-conditioning electric power peak load will quadruple, and reaches the full load power that is equivalent to power station, 10 Three Gorges approximately.Use novel high-performanceization, functionalization, intellectuality, ecology material, improve building safety, lightweight, feature such as high-strength, durable, be considered to the main path of building energy conservation, wherein, the temperature control humidity adjusting material has temperature control and moisture control function, can provide good comfort level for indoor environment.
Tradition temperature control and humidity adjusting material function singleness can not satisfy the double requirements of temperature control and damping, and, adopting industrial raw material and natural mineral mostly, consumed resource is big.The annual agricultural crop straw of China and wood chip output are up to 7.0 * 10
9T, except a small amount of building materials, biogas, animal-feed etc. of being used for, most on-site incinerations have caused serious environmental to pollute and the wasting of resources; Trade waste such as phosphogypsum and desulfurated plaster is stacked for a long time, through rain drop erosion, severe contamination surrounding enviroment.
Therefore, it is the building function material that the main raw material(s) exploitation has automatic adjusting air themperature and humidity ability with the agriculture and industry waste, not only can save energy and improve the comfortableness of indoor environment, and for promoting the ecotope Sustainable development to have great importance.
At present, existing about temperature sensitive and wet quick report both at home and abroad.(CN102518006A) announced a kind of humidity adjusting material as patent " a kind of honeycomb structure debugging preparation methods ", be inorganic mineral with sepiolite, aluminum oxide, diatomite, be organic constituent with ethylene glycol bisthioglycolate glycidyl ether and Xylo-Mucine, after mixing it be prepared into cardboard.Patent " a kind of preparation method of novel surface organic modification inorganic nano material " (CN102627871A) discloses a kind of humidity adjusting material, acidifying nanotube halloysite is joined in sodium lauryl sulphate and the cetyl trimethylammonium bromide, after stirring 2-3h under the 50-80 ℃ of temperature, obtain humidity adjusting material.Because it is raw material that these technology adopt single damping component, can not effectively regulate and control room temp, can not satisfy people to the requirement of indoor environment comfort level.
Patent " novel damping temperature-controlled wall " (CN102235069B) discloses a kind of damping temperature-controlled wall, formed by body of wall, interfacial layer, phase-change temperature control layer, damping layer and finish coat, wherein, the phase-change temperature control layer is by hexadecanoic acid, tetradecanoic acid or octadecane and lamellar graphite, gypsum and fibrous.The damping layer is mixed by natural zeolite, diatomite or polynite and sodium sulfate; Patent " a kind of temperature adjustment debugging preparation methods " (CN101624435A) discloses a kind of to be humextant with sepiolite, permutite, gelatin and urea, to be the temperature control component with vinylformic acid, polyoxyethylene glycol and ammonium persulphate.Because these technology have only been considered micropore and to material damping Effect on Performance, have ignored the control to grand hole that moisture absorption and desorption property is poor, can not effectively regulate and control the humidity of indoor environment.Simultaneously, it is raw material that above-mentioned technology adopts natural polymer or inorganic mineral mostly, and sharp useless rate is low, and the production cost height is unfavorable for the Sustainable development of recycling economy and ecotope.
Therefore, invent a kind of with the agriculture and industry waste be main raw material can control room temp, can regulate the building function material of indoor humidity again, have great importance for recycling economy and building energy conservation.
Summary of the invention
Technical problem to be solved by this invention is the deficiency at above-mentioned prior art existence, a kind of temperature sensitive and wet quick building function material and preparation method thereof is provided, temperature sensitive and the wet quick building function material of gained has characteristics such as energy-efficient, with low cost, that construction technology is simple, meets energy-saving and emission-reduction, recycling economy and strategy of sustainable development requirement.
The present invention is that the technical scheme that the problem of the above-mentioned proposition of solution adopts is: temperature sensitive and wet quick building function material, and the sheet material that it is made for following component, described component concentration is counted by weight:
Gelling material 40-60 part, compound temperature control material 6-12 part, partial carbonization vegetable fibre 15-30 part, filler 10-25 part, whipping agent 0.5-2 part, suds-stabilizing agent 0.05-0.2 part, described compound temperature control preparation methods is that stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:1-4, be heated to molten state, magnetic agitation 1-3h, after treating that melt fully mixes, in water bath with thermostatic control, cool off, obtain ternary eutectic; Ternary eutectic is mixed with mass ratio 1:3-5 with diatomite or polynite, and keep taking out behind the 40-60min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; The preparation method of described partial carbonization vegetable fibre mixes agricultural crop straw and wood chip with mass ratio 1:1-4, at N
2Under the atmosphere, insulation was prepared from 2-3 hour in 240-315 ℃ of electric furnace.
Press such scheme, described gelling material is that phosphogypsum, desulfurated plaster or cement and lime form by mass ratio 10-15:1 configuration.
Press such scheme, described filler is any one or multiple mixing in flyash, fine particle calcium carbonate and the coarse whiting, two or more when mixing be any than.
Press such scheme, any one or multiple mixing in described whipping agent rosin saponification whipping agent, colophonium pyrolytic polymer, Sodium dodecylbenzene sulfonate, polyoxyethylene glycol and the protein whipping agent, two or more when mixing be any than.
Press such scheme, described suds-stabilizing agent is any one or multiple mixing in hydroxypropyl methyl cellulose ether, sodium lauryl sulphate, trolamine and the Sudan Gum-arabic, two or more when mixing be any than.
Described temperature sensitive and wet quick building function preparation methods includes following steps:
1) preparation of compound temperature control material
Stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:1-4, are heated to molten state, magnetic agitation 1-3h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic; Ternary eutectic is mixed with mass ratio 1:3-5 with diatomite or polynite, and keep taking out behind the 40-60min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material;
2) preparation of partial carbonization vegetable fibre
Agricultural crop straw and wood chip are mixed with mass ratio 1:1-4, at N
2Under the atmosphere, insulation was prepared from 2-3 hour in 240-315 ℃ of electric furnace;
3) preparation of temperature sensitive and wet quick building function material
In parts by weight, according to gelling material 40-60 part, compound temperature control material 6-12 part, partial carbonization vegetable fibre 15-30 part, filler 10-25 part, whipping agent 0.5-2 part, suds-stabilizing agent 0.05-0.2 part is got material, mix, the adjustment ratio of water to material is 0.30-0.45, make sheet material, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
Construction technology temperature sensitive and wet quick building function material provided by the present invention is: the dust cleaning of interior surface of wall is clean, and adopt adhesive mortar directly temperature sensitive and wet quick building function material to be affixed on the wall.
The invention has the beneficial effects as follows: first, the present invention is main raw material, interpolation whipping agent and suds-stabilizing agent with phosphogypsum, desulfurated plaster, partial carbonization fiber the like waste, realized the Multistage Control of hole from the microcosmic to the macroscopic view, increased porosity and the specific surface area of material, made material have excellent temperature control and damping effect; Second, the present invention adopts the compound mode of organic materials and inorganic mineral, preparation has the building function material of temperature control and damping effect concurrently, material has fast, the good characteristics of moisture absorption and desorption property of responding, overcome the defective that traditional humidity adjusting material does not have the temperature control effect, solved the high and inorganic humidity adjusting material damping effect problem of unstable of organic humidity adjusting material cost; The 3rd, adopt adhesive mortar directly temperature sensitive and wet quick building function material to be affixed on the wall, construction technology is simple, simultaneously, is main raw material with the agriculture and industry waste, and production cost is low, is convenient to large-scale promotion.Therefore, this temperature sensitive and wet quick building function material provided by the present invention can effectively improve the comfortableness of indoor environment, produce and construction technology simple, can be widely used in the interior wall of existing building and new building, have great importance for the development of energy-saving and emission-reduction and recycling economy.
Embodiment
Further specify the application's invention below in conjunction with embodiment, but embodiment should not regard the restriction to right of the present invention as.
Embodiment 1:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:4, be heated to molten state, magnetic agitation 3h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:4 with diatomite, and keep taking out behind the 55min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:1 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 3 hours in 255 ℃ of electric furnaces, obtains the vegetable fibre of partial carbonization; 3. phosphogypsum and lime are formed by the 12:1 configuration, obtain gelling material; 4. according to 45 parts of gelling material, 8 parts of compound temperature control materials, 20 parts on partial carbonization vegetable fibre, 14 parts in flyash, 0.8 part of Sodium dodecylbenzene sulfonate, 0.09 part of hydroxypropyl methyl cellulose ether, mix, adjusting ratio of water to material is 0.38, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 1 temperature control humidity adjusting material
As can be seen from Table 1, the material of preparation reaches moisture equilibrium in 7.4, and the moisture adsorption and releasing rate is respectively 7.6% and 5.1%, transformation temperature is 23.6-27.2 ℃, enthalpy of phase change is 102-138J/g, and light weight and high insulating effect, can carry out fine adjustment to room temp and humidity.
Embodiment 2:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:1, be heated to molten state, magnetic agitation 2h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:5 with polynite, and keep taking out behind the 60min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:4 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 2 hours in 305 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. desulfurated plaster and lime are formed by the 10:1 configuration, obtain gelling material; 4. according to 2 parts of 60 parts of gelling material, 6 parts of compound temperature control materials, 30 parts on partial carbonization vegetable fibre, coarse whiting and 16 parts in flyash, rosin saponification whipping agent and Sodium dodecylbenzene sulfonatees, 0.1 part of Sudan Gum-arabic, mix, adjusting ratio of water to material is 0.45, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 2 temperature control humidity adjusting material
As can be seen from Table 2, the material of preparation reaches moisture equilibrium in 8.5, and the moisture adsorption and releasing rate is respectively 5.8% and 4.2%, transformation temperature is 26.3-30.2 ℃, enthalpy of phase change is 110-142J/g, and light weight and high insulating effect, can carry out fine adjustment to room temp and humidity.
Embodiment 3:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:4, be heated to molten state, magnetic agitation 3h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:3 with diatomite, and keep taking out behind the 40min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:2 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 2.5 hours in 285 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. cement and lime are formed by the 15:1 configuration, obtain gelling material; 4. according to 1.5 parts of 45 parts of gelling material, 8 parts of compound temperature control materials, 22 parts on partial carbonization vegetable fibre, 11 parts of fine particle calcium carbonates, Sodium dodecylbenzene sulfonate, polyoxyethylene glycol and protein whipping agents, 0.12 part of trolamine, mix, adjusting ratio of water to material is 0.41, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 3 temperature control humidity adjusting material
As can be seen from Table 3, the material of preparation reaches moisture equilibrium in 8.6, and the moisture adsorption and releasing rate is respectively 6.3% and 5.0%, transformation temperature is 27.4-32.6 ℃, enthalpy of phase change is 125-167J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Embodiment 4:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:2, be heated to molten state, magnetic agitation 1h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:3.5 with diatomite, and keep taking out behind the 55min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:3 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 3 hours in 260 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. desulfurated plaster and lime are formed by the 13:1 configuration, obtain gelling material; 4. according to 52 parts of gelling material, 6 parts of compound temperature control materials, 26 parts on partial carbonization vegetable fibre, flyash and 15 parts of fine particle calcium carbonates, 0.5 part of protein whipping agent, 0.07 part of hydroxypropyl methyl cellulose ether and sodium lauryl sulphate, mix, adjusting ratio of water to material is 0.36, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 4 temperature control humidity adjusting material
As can be seen from Table 4, the material of preparation reaches moisture equilibrium in 9.4, and the moisture adsorption and releasing rate is respectively 7.1% and 5.8%, transformation temperature is 26.8-31.5 ℃, enthalpy of phase change is 118-153J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Embodiment 5:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:2.5, be heated to molten state, magnetic agitation 2h, after treating that melt fully mixes, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:4 with polynite, and keep taking out behind the 50min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:2 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 2.5 hours in 275 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. phosphogypsum and lime are formed by the 11:1 configuration, obtain gelling material; 4. according to 46 parts of gelling material, 8 parts of compound temperature control materials, 22 parts on partial carbonization vegetable fibre, 16 parts in flyash, 0.8 part of colophonium pyrolytic polymer, 0.15 part of Sudan Gum-arabic, mix, adjusting ratio of water to material is 0.35, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 5 temperature control humidity adjusting material
As can be seen from Table 5, the material of preparation reaches moisture equilibrium in 9.0, and the moisture adsorption and releasing rate is respectively 6.8% and 5.3%, transformation temperature is 24.3-29.2 ℃, enthalpy of phase change is 126-166J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Embodiment 6:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:3, be heated to molten state, magnetic agitation 2h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:3 with polynite, and keep taking out behind the 40min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:1 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 2 hours in 285 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. desulfurated plaster and lime are formed by the 13:1 configuration, obtain gelling material; 4. according to 48 parts of gelling material, 8 parts of compound temperature control materials, 20 parts on partial carbonization vegetable fibre, 17 parts of coarse whitings, 1.2 parts of polyoxyethylene glycol, 0.13 part of Sodium dodecylbenzene sulfonate, mix, adjusting ratio of water to material is 0.40, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 6 temperature control humidity adjusting material
As can be seen from Table 6, the material of preparation reaches moisture equilibrium in 8.8, and the moisture adsorption and releasing rate is respectively 6.9% and 5.5%, transformation temperature is 26.2-30.7 ℃, enthalpy of phase change is 108-152J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Embodiment 7:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:4, be heated to molten state, magnetic agitation 3h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:5 with polynite, and keep taking out behind the 60min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:4 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 2.5 hours in 290 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. cement and lime are formed by the 12:1 configuration, obtain gelling material; 4. according to 1.5 parts of 56 parts of gelling material, 12 parts of compound temperature control materials, 30 parts on partial carbonization vegetable fibre, flyash and 10 parts of coarse whitings, polyoxyethylene glycol and colophonium pyrolytic polymers, 0.1 part of hydroxypropyl methyl cellulose ether, trolamine and Sudan Gum-arabic, mix, adjusting ratio of water to material is 0.40, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 7 temperature control humidity adjusting material
As can be seen from Table 7, the material of preparation reaches moisture equilibrium in 8.1, and the moisture adsorption and releasing rate is respectively 6.7% and 5.3%, transformation temperature is 24.6-28.1 ℃, enthalpy of phase change is 120-148J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Embodiment 8:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:2, be heated to molten state, magnetic agitation 2h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:4 with diatomite, and keep taking out behind the 45min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:3 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 3 hours in 240 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. desulfurated plaster and lime are formed by the 15:1 configuration, obtain gelling material; 4. according to 48 parts of gelling material, 10 parts of compound temperature control materials, 22 parts on partial carbonization vegetable fibre, 18 parts of coarse whitings, 1 part of protein whipping agent, 0.15 part of hydroxypropyl methyl cellulose ether, mix, adjusting ratio of water to material is 0.41, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 8 temperature control humidity adjusting material
As can be seen from Table 8, the material of preparation reaches moisture equilibrium in 7.6, and the moisture adsorption and releasing rate is respectively 6.5% and 4.9%, transformation temperature is 27.2-32.5 ℃, enthalpy of phase change is 134-179J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Embodiment 9:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:3, be heated to molten state, magnetic agitation 2.5h, after treating that melt fully mixes, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:4.5 with polynite, and keep taking out behind the 52min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:3 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 2 hours in 310 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. phosphogypsum and lime are formed by the 14:1 configuration, obtain gelling material; 4. according to 40 parts of gelling material, 8 parts of compound temperature control materials, 25 parts on partial carbonization vegetable fibre, 16 parts in flyash, 0.5 part of rosin saponification whipping agent, trolamine 0.05, mix, adjusting ratio of water to material is 0.35, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 9 temperature control humidity adjusting material
As can be seen from Table 9, the material of preparation reaches moisture equilibrium in 7.3, and the moisture adsorption and releasing rate is respectively 6.2% and 4.5%, transformation temperature is 23.7-28.3 ℃, enthalpy of phase change is 143-175J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Embodiment 10:
Temperature sensitive and wet quick building function preparation methods provided by the present invention is: 1. stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:4, be heated to molten state, magnetic agitation 2h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic.Ternary eutectic is mixed with mass ratio 1:3 with diatomite, and keep taking out behind the 40min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; 2. be that 1:2 mixes with the mass ratio with agricultural crop straw and wood chip, at N
2Under the atmosphere, insulation is 3 hours in 270 ℃ of electric furnaces, obtains vegetable fibre and the wood chip of partial carbonization; 3. desulfurated plaster and lime are formed by the 12:1 configuration, obtain gelling material; 4. according to 55 parts of gelling material, 10 parts of compound temperature control materials, 20 parts on partial carbonization vegetable fibre, flyash and 16 parts of coarse whitings, 0.9 part of Sodium dodecylbenzene sulfonate, 0.08 part of sodium lauryl sulphate and trolamine, mix, adjusting ratio of water to material is 0.38, make the sheet material of certain size, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
The performance index of table 10 temperature control humidity adjusting material
As can be seen from Table 10, the material of preparation reaches moisture equilibrium in 7.5, and the moisture adsorption and releasing rate is respectively 6.6% and 4.7%, transformation temperature is 26.1-31.7 ℃, enthalpy of phase change is 138-182J/g, when can carry out fine adjustment to room temp and humidity, has certain heat insulation effect.
Claims (10)
1. temperature sensitive and wet quick building function material, the sheet material that it is made for following component, described component concentration is counted by weight:
Gelling material 40-60 part, compound temperature control material 6-12 part, partial carbonization vegetable fibre 15-30 part, filler 10-25 part, whipping agent 0.5-2 part, suds-stabilizing agent 0.05-0.2 part, described compound temperature control preparation methods is that stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:1-4, be heated to molten state, magnetic agitation 1-3h, after treating that melt fully mixes, in water bath with thermostatic control, cool off, obtain ternary eutectic; Ternary eutectic is mixed with mass ratio 1:3-5 with diatomite or polynite, and keep taking out behind the 40-60min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material; The preparation method of described partial carbonization vegetable fibre mixes agricultural crop straw and wood chip with mass ratio 1:1-4, at N
2Under the atmosphere, insulation was prepared from 2-3 hour in 240-315 ℃ of electric furnace.
2. temperature sensitive and wet quick building function material according to claim 1 is characterized in that: described gelling material is that phosphogypsum, desulfurated plaster or cement and lime form by mass ratio 10-15:1 configuration.
3. temperature sensitive and wet quick building function material according to claim 1 is characterized in that: described filler is any one or multiple mixing in flyash, fine particle calcium carbonate and the coarse whiting, two or more when mixing be any than.
4. temperature sensitive and wet quick building function material according to claim 1, it is characterized in that: any one or multiple mixing in described whipping agent rosin saponification whipping agent, colophonium pyrolytic polymer, Sodium dodecylbenzene sulfonate, polyoxyethylene glycol and the protein whipping agent, two or more when mixing be any than.
5. temperature sensitive and wet quick building function preparation methods according to claim 1, it is characterized in that: described suds-stabilizing agent is any one or multiple mixing in hydroxypropyl methyl cellulose ether, sodium lauryl sulphate, trolamine and the Sudan Gum-arabic, two or more when mixing be any than.
6. the described temperature sensitive and wet quick building function preparation methods of claim 1 includes following steps:
1) preparation of compound temperature control material
Stearic acid, stearyl alcohol, lauric acid are mixed in glass cylinder according to 1:2:1-4, are heated to molten state, magnetic agitation 1-3h, treat that melt fully mixes after, in water bath with thermostatic control, cool off, obtain ternary eutectic; Ternary eutectic is mixed with mass ratio 1:3-5 with diatomite or polynite, and keep taking out behind the 40-60min under molten state, grind, it is stand-by to put into moisture eliminator, obtains compound temperature control material;
2) preparation of partial carbonization vegetable fibre
Agricultural crop straw and wood chip are mixed with mass ratio 1:1-4, at N
2Under the atmosphere, insulation was prepared from 2-3 hour in 240-315 ℃ of electric furnace;
3) preparation of temperature sensitive and wet quick building function material
In parts by weight, according to gelling material 40-60 part, compound temperature control material 6-12 part, partial carbonization vegetable fibre 15-30 part, filler 10-25 part, whipping agent 0.5-2 part, suds-stabilizing agent 0.05-0.2 part is got material, mix, the adjustment ratio of water to material is 0.30-0.45, make sheet material, in 25 ℃ and relative humidity 〉=80% environment, dry behind the maintenance 7d, obtain temperature sensitive and wet quick building function material.
7. temperature sensitive and wet quick building function preparation methods according to claim 6 is characterized in that: described gelling material is that phosphogypsum, desulfurated plaster or cement and lime form by mass ratio 10-15:1 configuration.
8. temperature sensitive and wet quick building function preparation methods according to claim 6 is characterized in that: described filler is any one or multiple mixing in flyash, fine particle calcium carbonate and the coarse whiting, two or more when mixing be any than.
9. temperature sensitive and wet quick building function preparation methods according to claim 6, it is characterized in that: any one or multiple mixing in described whipping agent rosin saponification whipping agent, colophonium pyrolytic polymer, Sodium dodecylbenzene sulfonate, polyoxyethylene glycol and the protein whipping agent, two or more when mixing be any than.
10. temperature sensitive and wet quick building function preparation methods according to claim 6, it is characterized in that: described suds-stabilizing agent is any one or multiple mixing in hydroxypropyl methyl cellulose ether, sodium lauryl sulphate, trolamine and the Sudan Gum-arabic, two or more when mixing be any than.
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| CN110726757A (en) * | 2019-10-17 | 2020-01-24 | 电子科技大学 | Humidity sensor based on halloysite nanotube and preparation method thereof |
| CN110726757B (en) * | 2019-10-17 | 2021-12-03 | 电子科技大学 | Humidity sensor based on halloysite nanotube and preparation method thereof |
| CN112209662A (en) * | 2020-09-25 | 2021-01-12 | 安徽筑园景新型建材科技有限公司 | Concrete block utilizing plant straws and preparation method thereof |
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