CN103171225A - Preparation method of energy-storing and color-variable building film material - Google Patents
Preparation method of energy-storing and color-variable building film material Download PDFInfo
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- CN103171225A CN103171225A CN2013100294922A CN201310029492A CN103171225A CN 103171225 A CN103171225 A CN 103171225A CN 2013100294922 A CN2013100294922 A CN 2013100294922A CN 201310029492 A CN201310029492 A CN 201310029492A CN 103171225 A CN103171225 A CN 103171225A
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Abstract
The invention provides a preparation method of an energy-storing and color-variable building film material. The preparation method comprises the following steps of: uniformly mixing PVC (Polyvinyl Chloride) powder with a plasticizer to prepare a PVC pre-soaked adhesive; rolling base cloth on the PVC pre-soaked adhesive and pre-drying to prepare a semi-finished product; coating a PVC macromolecular coating adhesive which is formed by commonly mixing PVC powder, the plasticizer, calcium carbonate, a heat stabilizer, a light stabilizer, an energy-storing microcapsule and a color-variable paint on the surface of the semi-finished product; and then pre-drying and baking to prepare the energy-storing and color-variable building film material. According to the method disclosed by the invention, the energy-storing microcapsule and the color-variable paint can be uniformly dispersed in the macromolecular coating adhesive and the prepared energy-storing and color-variable building film material is uniform in texture and is uniform in color variation; and meanwhile, the bonded fastness between a coating film and the base cloth is high.
Description
Technical field
The invention belongs to building material technical field, particularly relate to a kind of preparation method of energy storage variable color building film material material.
Background technology
In recent years, along with the continuous aggravation of energy crisis, building energy conservation receives much concern; The progress of expanding economy simultaneously and society, people improve constantly work and living environment requirement, comfort level requirement to indoor environment is more and more higher, therefore, requires multifunction, intellectuality, the green energy conservation of construction material to become the new trend that construction material develops.Phase-change material micro-capsule is applied in construction material, give the building automatic temperature-adjusting function, reduce environment temperature to the indoor temperature fluctuation that causes, improve indoor comfort level, reduce the service time of air-conditioning and the startup of heating facility, thereby reduce the energy consumption of building, play the effect of energy savings.
The building film material material is a kind of novel flexible construction material, from overcome the difficulty that traditional structure can't be realized on long span building at all, create huge unobstructed visible space, effectively increase the space usable floor area, and can form arbitrarily the Stability Surface with certain rigidity according to architect's design needs, moulding is free, soft and graceful, and in membrane structure building, processing and the making of all material all completed in factory, effectively reduces on-site construction time etc.In view of the advantage of membrane structure material, obtained in recent years fast development, be membrane structure building as the Bird's Nest of the Olympic stadiums, the Water Cube etc., on Shanghai World's Fair, membrane structure building is subject to designer's favor especially.The building film material material is that excellent performance polymeric coating layer glue is coated on base material (mostly being the textile of high-strength flatness) equably is upper or macromolecule membrane and base material is compound and make.If adopt special technique with accumulation energy microcapsule, camouflage paint and the blend of polymeric coating layer glue, prepare the building film material material with automatic temperature-control, colour change function, not only can reduce the energy consumption of air-conditioning, heating installation, and give the better art of membrane structure building and represent.But from present report, still find no the preparation method's of temperature adjustment variable color building film material material report.
Energy storage material is a kind of material of high enthalpy of phase change, when ambient temperature raises gradually, when reaching the phase transition temperature of material, material is by the solid-state liquid state that becomes, this moment the absorbing environmental heat, and its coated space temperature raises and slows down, otherwise when ambient temperature reduces the transformation temperature that reaches energy storage material gradually, material is changed into solid-state by liquid state, emit heat, its coated space temperature is reduced slow down.At present, use the way of energy storage material to be both at home and abroad in energy saving building material: to sneak in the building materials such as concrete, plasterboard after microcapsules are directly sneaked into or made to the energy storage phase-change material, so that building obtains the energy-saving and temperature-regulating function.Add in these traditional construction materials energy storage material to technology relatively simple.The existing method that accumulation energy microcapsule is applied on coated fabric is: it is joined in water-based PA (polyacrylate), PU (polyurethane) make coating adhesive, then coating adhesive be coated on as the textile surface of base cloth and form coating material, preparing thus and take the temperature adjustment fabric.Therefore easily because water-based PA, PU are aqueous dispersions, routinely technology is added into accumulation energy microcapsule in glue and makes coating adhesive, and carries out coating processing.
In addition, due to the artistic attribute that membrane structure building has, the building of Chang Zuowei urban landmark, if give the membrane material colour change function, make building present different colors when extraneous some condition changes, namely become the variable color building, increase the magical color in city, decorate and beautify the environment.
Therefore the advantages such as polyvinyl chloride (PVC) is a kind of macromolecular material, and it has the quilt of being difficult for acid, caustic corrosion, and mechanical strength and electrical insulating property are good are suitable for being used in construction material.If adopt PVC as coating adhesive, blend accumulation energy microcapsule and camouflage paint are made PVC polymeric coating layer glue, be coated in the surface of base material and make the building film material material, make building both have the intelligent thermoregulating function, when changing, extraneous some condition presents simultaneously different colors, namely become the variable color building, can increase undoubtedly the magical color in city, decorate and beautify the environment.But, easily assemble in the PVC system due to accumulation energy microcapsule, camouflage paint and reunite, and it is not moisture in system, therefore adopt existing PVC building film material material technology of preparing accumulation energy microcapsule and camouflage paint can not be scattered in the PVC coating adhesive equably, so the temperature adjustment of energy storage variable color building film material material, the color homogeneity prepared are poor, and the film outward appearance is not transparent and homogeneous, and forms the weakness of film brute force; In addition, due to accumulation energy microcapsule and camouflage paint is atomic adds, changed the bonding interface between the formed coating of PVC and base cloth, result causes the adhesion strength between coating and base cloth to descend, thereby can not satisfy practical application.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide and a kind ofly can make accumulation energy microcapsule and camouflage paint Uniform Dispersion in polymeric coating layer glue, and the variable color of building film material material is even, the preparation method of the energy storage variable color building film material material that between coating and base cloth, adhesive fastness is high simultaneously.
In order to achieve the above object, the preparation method of energy storage variable color building film material material provided by the invention comprises the following step that carries out in order:
1) PVC powder and plasticizer are mixed and make the pre-impregnation of PVC with 100: 60～90 weight ratio;
2) base cloth is padded the pre-impregnation of above-mentioned PVC, then prebake and make semi-products at the temperature of 80 ℃;
3) will be coated in by the PVC polymeric coating layer glue that PVC powder, plasticizer, calcium carbonate, heat stabilizer, light stabilizer, accumulation energy microcapsule and camouflage paint form with 100: 40～70: 1.0～10.0: 0.2～2.0: 0.2～2.0: 8～30: 0.2～15 weight ratios the surface of above-mentioned semi-products, then prebake at the temperature of 80 ℃, cure 5min afterwards at the temperature of 160 ℃, make thus energy storage variable color building film material material.
Described step 1) and step 3) in plasticizer be selected from a kind of in phthalic acid dinonyl, phthalic acid two isodecyl esters, dibatyl phithalate, adipic acid dibutyl ester, dibutyl sebacate.
Described step 3) it is one or both in compound stabilizer CZ-301 and strontium-zinc, barium-Zn composite heat stabilizer that the heat stabilizer in is selected from dibutyl tin laurate, Jing Xi-8831, zinc-calcium compound stabilizer 2C-360, calcium.
Described step 3) light stabilizer in is selected from UV327, UV531 and TiO
2In one or both.
Described step 3) accumulation energy microcapsule in is comprised of the following component in weight portion:
Its preparation method comprises the following step that carries out in order:
(1) preparation of core
To mix with hexadecanol according to the tetradecyl alchohol of above-mentioned weight portion meter according to the requirement of phase transition temperature, then be placed at the temperature of 80 ℃ and make its dissolving, form thus core solution;
(2) preparation of performed polymer
Take the melamine that accounts for core gross mass 10～15%, 25～30% 37% formalin and 150～200% distilled water, mix at the temperature of 70 ℃ and stir, with triethanolamine, the pH value of mixed liquor is transferred to 8.5～9, then react 30min to the water white transparency shape, namely make performed polymer, and be placed at the temperature of 50 ℃ standby;
3) emulsification of core and dispersion
Fully mix accounting for the dispersant of core gross mass 10～15%, the distilled water of surplus and 1～1.5% NaOH, stirring reaction 1h at the temperature of 50 ℃, then with the citric acid of 10% concentration, the pH value of solution is transferred to 4～5, add again the core solution for preparing in the emulsifying agent that accounts for core gross mass 5～10% and step (1), high speed shear 10min at the temperature of 60 ℃ and make the core emulsion;
4) coating of core
The core emulsion that above-mentioned high speed shear is complete is cooled to 55 ℃, and carry out stirring at low speed at this temperature, slowly drip simultaneously the performed polymer for preparing in above-mentioned steps (2), after dropwising, with the citric acid of 10% concentration, the pH value of solution is transferred to 3～4, then be warming up to 75 ℃, heat preservation solidification reaction 2h, so that performed polymer further is aggregated in the surface of core material particles, form thus accumulation energy microcapsule;
5) washing of microcapsules
Cooling being placed in benzinum of above-mentioned reacted accumulation energy microcapsule mixture washed, the washing of reusable heat distilled water, suction filtration is placed on oven dry in baking oven and obtains the accumulation energy microcapsule powder.
Described step 3) camouflage paint in is selected from least a in photosensitive red MC119#, photosensitive blue MC29# and photosensitive yellow MC16#.
Described step 3) the PVC polymeric coating layer glue preparation method in comprises the following step that carries out in order:
A) first get half plasticizer of total amount, then add accumulation energy microcapsule, camouflage paint, calcium carbonate, heat stabilizer and light stabilizer, be uniformly dispersed and make dispersed system I through ultrasonic agitation;
B) get second half plasticizer of total amount, then add the PVC powder, be uniformly dispersed and make dispersed system II through ultrasonic agitation;
C) above-mentioned dispersed system I and dispersed system II are mixed, obtain uniform PVC polymeric coating layer glue through electric stirring.
The preparation method of energy storage variable color building film material material provided by the invention is first padded base cloth with the pre-impregnation of PVC that only contains PVC and plasticizer, to form transition zone, owing to only containing PVC and plasticizer in the pre-impregnation of PVC, therefore can form good bonding between itself and base cloth, in addition, the transition zone coating layer thickness is thinner, can not affect the overall performance of energy storage variable color building film material material because not adding additive.Afterwards, be coated in the surface of transition zone and form the top layer with the PVC polymeric coating layer glue that contains accumulation energy microcapsule, camouflage paint and additive again, because the PVC component in face coat has identical chemical constitution with PVC component in transition zone, according to the similar compatibility principle, two-layer have a good adhesive fastness, and bake simultaneously processing after dry respectively on transition zone and top layer, promoted the mutual fusion of two interlayers, cohesive force is increased.In addition, when preparing, adopts by PVC polymeric coating layer glue pre-dispersed method, prepare respectively the dispersed system that adds accumulation energy microcapsule, camouflage paint and additive and make, the dispersed system that makes with the PVC powder is mixed with plasticizer, then above-mentioned two dispersed systems mixing are obtained uniform PVC polymeric coating layer glue, therefore can make accumulation energy microcapsule and camouflage paint Uniform Dispersion in PVC polymeric coating layer glue, and make the building film material material variable color of preparation even, so process design is reasonable.
Description of drawings
The electron micrograph in Fig. 1 provides for the embodiment of the present invention 1 energy storage variable color building film material material cross section.
The cold step heating curve figure of energy storage variable color building film material material step that Fig. 2 provides for the embodiment of the present invention 1.
The change color situation of energy storage variable color building film material material under illumination that Fig. 3 provides for the embodiment of the present invention 1.
The energy storage variable color building film material material cooling curve figure that Fig. 4 provides for the embodiment of the present invention 3.
The energy storage variable color building film material material step heating curve figure that Fig. 5 provides for the embodiment of the present invention 3.
The specific embodiment
Preparation method to energy storage variable color building film material material provided by the invention is elaborated below in conjunction with the drawings and specific embodiments.
Embodiment 1:
1) 100gPVC powder and 80g phthalic acid dinonyl are mixed and make the pre-impregnation of PVC;
2) will be as the pre-impregnation of the above-mentioned PVC of woven polyester textile pad of base cloth, then prebake and make semi-products at the temperature of 80 ℃;
3) with 25g phthalic acid dinonyl, 15g (the formerly application documents content of being submitted to by the applicant referring to No. the 201210182696.5th, Chinese invention patent application) the photosensitive red MC119# of accumulation energy microcapsule, 2g, 5g calcium carbonate, 0.2g zinc-calcium compound stabilizer 2C-360 and 0.2gTiO of making according to the method described above
2Mix, be uniformly dispersed and make dispersed system I through ultrasonic agitation; 25g phthalic acid dinonyl and 100gPVC powder are mixed, be uniformly dispersed and make dispersed system II through ultrasonic agitation; Above-mentioned dispersed system I and dispersed system II are mixed, obtain uniform PVC polymeric coating layer glue through electric stirring; Above-mentioned PVC polymeric coating layer glue is coated in the surface of above-mentioned semi-products, then prebake at the temperature of 80 ℃ is cured 5min afterwards and forms coating at the temperature of 160 ℃, make thus energy storage variable color building film material material.
Embodiment 2:
1) 100gPVC powder and 80g phthalic acid dinonyl are mixed and make the pre-impregnation of PVC;
2) will be as the pre-impregnation of the above-mentioned PVC of woven polyester textile pad of base cloth, then prebake and make semi-products at the temperature of 80 ℃;
3) the photosensitive blue MC29# of accumulation energy microcapsule, 2g, 5g calcium carbonate, 0.2g zinc-calcium compound stabilizer 2C-360 and the 0.2g TiO that 25g phthalic acid dinonyl, 15g are made according to the method described above
2Mix, be uniformly dispersed and make dispersed system I through ultrasonic agitation; 25g phthalic acid dinonyl and 100gPVC powder are mixed, be uniformly dispersed and make dispersed system II through ultrasonic agitation; Above-mentioned dispersed system I and dispersed system II are mixed, obtain uniform PVC polymeric coating layer glue through electric stirring; Above-mentioned PVC polymeric coating layer glue is coated in the surface of above-mentioned semi-products, then prebake at the temperature of 80 ℃ is cured 5min afterwards and forms coating at the temperature of 160 ℃, make thus energy storage variable color building film material material.
Embodiment 3:
Make respectively the accumulation energy microcapsule consumption in embodiment 2 into 20g and 30g, other component and preparation method are constant, make energy storage variable color building film material material.
Embodiment 4:
1) 100gPVC powder and 90g phthalic acid two isodecyl esters are mixed and make the pre-impregnation of PVC;
2) will be as the pre-impregnation of the above-mentioned PVC of woven polyester textile pad of base cloth, then semi-products are made in prebake at the temperature of 80 ℃;
3) the photosensitive yellow MC16# of accumulation energy microcapsule, 2g, 5g calcium carbonate, the 0.5g calcium 20g phthalic acid two isodecyl esters, 25g made according to the method described above are compound stabilizer CZ-301 and 0.2g TiO
2Mix, be uniformly dispersed and make dispersed system I through ultrasonic agitation; 20g phthalic acid two isodecyl esters and 100gPVC powder are mixed, be uniformly dispersed and make dispersed system II through ultrasonic agitation; Above-mentioned dispersed system I and dispersed system II are mixed, obtain uniform PVC polymeric coating layer glue through electric stirring; Above-mentioned PVC polymeric coating layer glue is coated in the surface of above-mentioned semi-products, then prebake at the temperature of 80 ℃ is cured 5min afterwards and forms coating at the temperature of 160 ℃, make thus energy storage variable color building film material material.
Embodiment 5:
1) 100gPVC powder and 80g dibatyl phithalate are mixed and make the pre-impregnation of PVC;
2) will be as the pre-impregnation of the above-mentioned PVC of woven polyester textile pad of base cloth, then semi-products are made in prebake at the temperature of 80 ℃;
3) accumulation energy microcapsule of 20g dibatyl phithalate, 20g being made according to the method described above, the photosensitive yellow MC16# of 5g, 3g calcium carbonate, 0.5g dibutyl tin laurate (Jing Xi-102), 0.2g calcium are that compound stabilizer CZ-301 and 0.2g light stabilizer UV531 mix, and are uniformly dispersed and make dispersed system I through ultrasonic agitation; 20g dibatyl phithalate and 100gPVC powder are mixed, be uniformly dispersed and make dispersed system II through ultrasonic agitation; Above-mentioned dispersed system I and dispersed system II are mixed, obtain uniform PVC polymeric coating layer glue through electric stirring; Above-mentioned PVC polymeric coating layer glue is coated in the surface of above-mentioned semi-products, then prebake at the temperature of 80 ℃ is cured 5min afterwards and forms coating at the temperature of 160 ℃, make thus energy storage variable color building film material material.
Embodiment 6:
1) 100gPVC powder and 80g dibatyl phithalate are mixed and make the pre-impregnation of PVC;
2) will be as the pre-impregnation of the above-mentioned PVC of woven polyester textile pad of base cloth, then semi-products are made in prebake at the temperature of 80 ℃;
3) accumulation energy microcapsule of 20g dibatyl phithalate, 20g being made according to the method described above, the photosensitive red MC119# of 5g, 3g calcium carbonate, 0.6g Jing Xi-8831 and 0.2g light stabilizer UV327 mix, and are uniformly dispersed and make dispersed system I through ultrasonic agitation; 20g dibatyl phithalate and 100gPVC powder are mixed, be uniformly dispersed and make dispersed system II through ultrasonic agitation; Above-mentioned dispersed system I and dispersed system II are mixed, obtain uniform PVC polymeric coating layer glue through electric stirring; Above-mentioned PVC polymeric coating layer glue is coated in the surface of above-mentioned semi-products, then prebake at the temperature of 80 ℃ is cured 5min afterwards and forms coating at the temperature of 160 ℃, make thus energy storage variable color building film material material.
In order to verify effect of the present invention, the inventor uses the cross section configuration of surface of the energy storage variable color building film material material that electron microscope prepares above-described embodiment 1 to observe, the results are shown in Figure 1, as seen from Figure 1, on the coating of this energy storage variable color building film material material, polymer film inside is the intersection network structure, the granule of accumulation energy microcapsule evenly, intactly is scattered in this network structure, is not destroyed in the overall process of masking.
In addition, the inventor has carried out the energy-saving and temperature-regulating test to the energy storage variable color building film material material of being prepared by above-described embodiment 1, the results are shown in cold step heating curve of step shown in Figure 2, as shown in Figure 2, rising along with environment temperature, a temperature platform district appears in the space that energy storage variable color building film material material surrounds in the scope of 18 ℃～30 ℃, this is that on energy storage variable color building film material material, accumulation energy microcapsule in 18 ℃～30 ℃ scopes, phase transition process has occured, phase-change material absorbs the thermmal storage energy, makes temperature increase slowly; When environment temperature reduced, in 25 ℃～14 ℃ these scopes, the space cooling rate that energy storage variable color building film material material surrounds was slow, and this is due to the accumulation energy microcapsule heat release, thereby had slowed down the reduction of temperature.Show that this energy storage variable color building film material material has obvious energy-saving and temperature-regulating function.
Fig. 3 is the change color situation of energy storage variable color building film material material under illumination that above-described embodiment 1 is prepared.
In addition, the inventor has also carried out the energy-saving and temperature-regulating test to the energy storage variable color building film material material of being prepared by above-described embodiment 3, and with the building film material material (former film) that do not add accumulation energy microcapsule as a comparison, result respectively as shown in Figure 4 cooling curve and step heating curve shown in Figure 5.By Fig. 4, Fig. 5 as seen, the heating-cooling speed of the more former film of this energy storage variable color building film material material has all descended, and the amount of the accumulation energy microcapsule that adds is more, and the heating-cooling curve is milder.In between the phase change zone, when the heating-cooling time was identical, as the former film in 150～200s place and poor nearly 10～15 ℃ of the energy storage variable color building film material material temperature that contains 30% accumulation energy microcapsule, this was due to due to the heat-accumulation temperature-adjustment characteristic of accumulation energy microcapsule.If therefore this energy storage variable color building film material material is used for the unlatching that construction material can significantly reduce air-conditioning system and heating system.
Claims (7)
1. the preparation method of an energy storage variable color building film material material, it is characterized in that: the preparation method of described energy storage variable color building film material material comprises the following step that carries out in order:
1) PVC powder and plasticizer are mixed and make the pre-impregnation of PVC with 100: 60～90 weight ratio;
2) base cloth is padded the pre-impregnation of above-mentioned PVC, then semi-products are made in prebake at the temperature of 80 ℃;
3) will be coated in by the PVC polymeric coating layer glue that PVC powder, plasticizer, calcium carbonate, heat stabilizer, light stabilizer, accumulation energy microcapsule and camouflage paint form with 100: 40～70: 1.0～10.0: 0.2～2.0: 0.2～2.0: 8～30: 0.2～15 weight ratios the surface of above-mentioned semi-products, then prebake at the temperature of 80 ℃, cure 5min afterwards at the temperature of 160 ℃, make thus energy storage variable color building film material material.
2. the preparation method of energy storage variable color building film material material according to claim 1 is characterized in that: described step 1) and step 3) in plasticizer be selected from a kind of in phthalic acid dinonyl, phthalic acid two isodecyl esters, dibatyl phithalate, adipic acid dibutyl ester and dibutyl sebacate.
3. the preparation method of energy storage variable color building film material material according to claim 1 is characterized in that: it is one or both in compound stabilizer CZ-301 and strontium-zinc, barium-Zn composite heat stabilizer that the heat stabilizer described step 3) is selected from dibutyl tin laurate, Jing Xi-8831, zinc-calcium compound stabilizer 2C-360, calcium.
4. the preparation method of energy storage variable color building film material material according to claim 1, it is characterized in that: the light stabilizer described step 3) is selected from UV327, UV531 and TiO
2In one or both.
5. the preparation method of energy storage variable color building film material material according to claim 1, it is characterized in that: the accumulation energy microcapsule described step 3) is comprised of the following component in weight portion:
Its preparation method comprises the following step that carries out in order:
(1) preparation of core
To mix with hexadecanol according to the tetradecyl alchohol of above-mentioned weight portion meter according to the requirement of phase transition temperature, then be placed at the temperature of 80 ℃ and make its dissolving, form thus core solution;
(2) preparation of performed polymer
Take the melamine that accounts for core gross mass 10～15%, 25～30% 37% formalin and 150～200% distilled water, mix at the temperature of 70 ℃ and stir, with triethanolamine, the pH value of mixed liquor is transferred to 8.5～9, then react 30min to the water white transparency shape, namely make performed polymer, and be placed at the temperature of 50 ℃ standby;
3) emulsification of core and dispersion
Fully mix accounting for the dispersant of core gross mass 10～15%, the distilled water of surplus and 1～1.5% NaOH, stirring reaction 1h at the temperature of 50 ℃, then with the citric acid of 10% concentration, the pH value of solution is transferred to 4～5, add again the core solution for preparing in the emulsifying agent that accounts for core gross mass 5～10% and step (1), high speed shear 10min at the temperature of 60 ℃ and make the core emulsion;
4) coating of core
The core emulsion that above-mentioned high speed shear is complete is cooled to 55 ℃, and carry out stirring at low speed at this temperature, slowly drip simultaneously the performed polymer for preparing in above-mentioned steps (2), after dropwising, with the citric acid of 10% concentration, the pH value of solution is transferred to 3～4, then be warming up to 75 ℃, heat preservation solidification reaction 2h, so that performed polymer further is aggregated in the surface of core material particles, form thus accumulation energy microcapsule;
5) washing of microcapsules
Cooling being placed in benzinum of above-mentioned reacted accumulation energy microcapsule mixture washed, the washing of reusable heat distilled water, suction filtration is placed on oven dry in baking oven and obtains the accumulation energy microcapsule powder.
6. the preparation method of energy storage variable color building film material material according to claim 1 is characterized in that: the camouflage paint described step 3) is selected from least a in photosensitive red MC119#, photosensitive blue MC29# and photosensitive yellow MC16#.
7. the preparation method of energy storage variable color building film material material according to claim 1, it is characterized in that: the preparation method of the PVC polymeric coating layer glue described step 3) comprises the following step that carries out in order:
A) first get half plasticizer of total amount, then add accumulation energy microcapsule, camouflage paint, calcium carbonate, heat stabilizer and light stabilizer, be uniformly dispersed and make dispersed system I through ultrasonic agitation;
B) get second half plasticizer of total amount, then add the PVC powder, be uniformly dispersed and make dispersed system II through ultrasonic agitation;
C) above-mentioned dispersed system I and dispersed system II are mixed, obtain uniform PVC polymeric coating layer glue through electric stirring.
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| CN108192431A (en) * | 2017-12-29 | 2018-06-22 | 安徽乐享家装饰设计有限公司 | A kind of Building Decoration Material according to temperature discoloring |
| CN108394155A (en) * | 2018-03-09 | 2018-08-14 | 武汉纺织大学 | A kind of energy saving sunlight membrane material |
| CN108823994A (en) * | 2018-06-29 | 2018-11-16 | 湖南中环高新材料技术有限公司 | A kind of production method of fire protection flame retarding building film material |
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| CN108192431A (en) * | 2017-12-29 | 2018-06-22 | 安徽乐享家装饰设计有限公司 | A kind of Building Decoration Material according to temperature discoloring |
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| CN108823994A (en) * | 2018-06-29 | 2018-11-16 | 湖南中环高新材料技术有限公司 | A kind of production method of fire protection flame retarding building film material |
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