CN104817914A - Phase change microcapsule-type modified building coating and preparation method thereof - Google Patents
Phase change microcapsule-type modified building coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a phase change microcapsule-type modified building coating and a preparation method thereof. The phase change microcapsule-type modified building coating comprises the following components in parts by mass fraction: 30-40 parts of water, 0.4-1.0 part of a thickening agent, 0.1-0.3 part of a multi-functional auxiliary, 0.3-1 part of an aging-resistant auxiliary, 0.2-0.5 part of a wetting agent, 0.8-2.0 parts of a dispersing agent, 0.8-1.5 parts of a preservative, 0.4-1.0 part of a mildewproof agent, 0.2-0.5 part of an antifoaming agent, 2-5 parts of a film forming auxiliary, 10-20 parts of pigment, 4-10 parts of phase change microcapsules, and 30-45 parts of emulsion, and the components are mixed to prepare the phase change microcapsule-type modified building coating. The coating has favorable appearance and good storing stability, the density of the coating is smaller than or equal to 0.83g/cm3, the coefficient of thermal conductivity is smaller than or equal to 0.10W/ ( m.k ), the insulating temperature difference is greater than or equal to 10 DEG C, and the coating has favorable scrub resistance, favorable brushing performance and excellent insulating effect.
Description
Technical field
The present invention relates to field of new, a kind of phase-change microcapsule type modified building heat-insulating energy-saving paint, and the preparation method of this kind of insulating mold coating for construction specifically.
Technical background
China buildings overwhelming majority is the non-economized building of high energy consumption.During use, the aspects such as heating, air-conditioning, ventilation, hot water service consume a large amount of energy to buildings, and these energy account for 30% ~ 40% of the consumption of mankind's total energy.China's energy utilization rate whole nation is on average only about 30%, and industrially developed country's energy utilization rate has reached more than 70%, in heat-energy losses, account for significant proportion because being incubated the bad loss caused.In order to keep interior of building temperature, reduce the consumption of air-conditioning, the heating process energy, response building energy conservation requirement, active development development and apply heat insulating energy saving material, widely popularize new architectural energy saving techniques, building energy consumption level is reduced while improving people's living environment, build a conservation-minded society, to maintenance national sustained economic development, alleviate the imbalance between supply and demand of the energy, be of great practical significance and long-range social effect.
In recent years, people are in order to obtain the heat insulating coatings of excellent performance, done a large amount of research work, but most products adopts solid, hollow glass microbead and hollow polymer to be ball be functional filler basis on carry out: disclosing a kind of in the publication number patent of invention that is CN1986661A take hollow glass micropearl as the thermal insulation coatings of functional stuffing; Publication number is the patent of invention of the CN102329545A Waterborne external thermal insulation coating that to disclose with hollow glass microbead and closed-cell expanded perlite be functional stuffing; Publication number is that the patent of invention of CN101671523A discloses with hollow glass micropearl is the aqueous flame-retardant and thermal-insulated coating of functional filler.Although these coating meet the needs of people to a certain extent, the heat insulating effect of these insulating mold coatings itself is poor, and the heat insulation temperature difference is general all at about 4 DEG C.In order to reach better heat insulating effect, in recent years, researcher finds that phase-change microcapsule modification heat insulating coatings more traditional thermal insulating coating can reach better heat insulating effect: disclosing a kind of in the publication number patent of invention that is CN103642364A take phase-change microcapsule as the heat insulating coatings of functional stuffing; Publication number is that the patent of invention of CN101481583 discloses and a kind of prepares aqueous contamination resistant heat reflection phase change insulating paint with phase transformation microballon, hollow glass micropearl for functional agent, its hull-skin temperature reduces 15-20 DEG C, back temperature reduces 8-15 DEG C, and publication number is the preparation method that the patent of invention of CN103933913A discloses a kind of notch cuttype temperature adjustment phase-change microcapsule emulsion.These all show that the heat insulation and preservation effect of phase-change microcapsule thermal insulating coating is better, but heat insulating effect is general all lower than 8 DEG C, and at present such insulating mold coating of major part, due to environmental requirement, fails to be applicable to inner wall of building finishing, and this series products of major part is failed realization and is commercially produced.
Summary of the invention
The solid glass micro-bead effect of heat insulation that the object of the invention is to solve the application of existing insulating mold coating is undesirable, the product that hollow glass microbead occurs is defective, in high speed dispersion process, the hollow polymer of the EXPANCEL Microsperes series of the problem such as higher and such insulating mold coating effect of heat insulation difference of percentage of damage and AkzoNobel is uneven from the dispersion occurred in application of paints process, layering and such thermal insulating coating effect of heat insulation undesirable, the phase-change microcapsule heat insulating effect that previous work person obtains is still relatively poor, fail to reach the problems such as interior decoration requirement.There is provided that a kind of outward appearance is good, stable storing, adopt and absorb heat insulation phase-change microcapsule type modified building heat-insulating energy-saving paint, and each component disperses of this coating can be made even, intermiscibility is good, the preparation method not stratified, film forming is good.
Technical scheme of the present invention: phase-change microcapsule type modified building coating, by massfraction, composed of the following components: 30 ~ 40 parts of water, 0.4 ~ 1.0 part of thickening material, 0.1 ~ 0.3 part of multifunctional assistant, 0.3 ~ 1 part of anti-aging auxiliary agent, 0.2 ~ 0.5 part of wetting agent, 0.8 ~ 2.0 part of dispersion agent, 0.8 ~ 1.5 portion of sanitas, 0.4 ~ 1.0 part of mould inhibitor, 0.2 ~ 0.5 part of defoamer, 2 ~ 5 parts of film coalescence aid, 10 ~ 20 parts of pigment, 4 ~ 10 parts of phase-change microcapsules, 30 ~ 45 parts of emulsions, are mixed;
Described thickening material is one or both in CELLOSIZE QP-10000 and CELLOSIZE QP-20000; Described multifunctional assistant is one or both in CODIS-99 or AMP-95; Described anti-aging auxiliary agent is Yantai rising star's chemical article company limited, and to produce lot number be one or both in 5529E30,5513E30; Described wetting agent is one or both in polyxyethylated alkylphenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer; Described dispersion agent is one or both in DISPEX WB G40 and DISPEX WB N30; Described sanitas is one or both in BOLISER GT 50 and BOLISERGT 2040; Described mould inhibitor is MEITION AF 2130 or MEITION AF 2180; Described film coalescence aid is one or both in ethylene glycol and Lauryl Alcohol ester; Described phase-change microcapsule for product batch number that Yantai Rui Long chemical technology company limited provides be one or more in RL30A, RL20A, RL25A; Described emulsion is one or both in pure-acrylic emulsion, benzene emulsion and organosilicon crylic acid latex; Described defoamer is one or both in BYK-141 and BYK-8822.
The preparation method of above-mentioned phase-change microcapsule type modified building coating, comprises the steps:
1) under 300 ~ 600r/min stirring at low speed, 30 ~ 40 parts of water are added in reactor, 0.4 ~ 1.0 part of thickening material, 0.1 ~ 0.3 part of multifunctional assistant, 0.3 ~ 1 part of anti-aging auxiliary agent, 0.2 ~ 0.5 part of wetting agent, 0.8 ~ 2.0 part of dispersion agent, 0.8 ~ 1.5 portion of sanitas, 0.4 ~ 1.0 part of mould inhibitor, 0.2 ~ 0.5 part of defoamer, 2 ~ 5 parts of film coalescence aid, after interpolation, mix;
2) control stirring velocity to 1000r/min ~ 2500r/min, add 10 ~ 20 parts of pigment rutile titanium dioxides, stir 15 ~ 25min; The particle diameter of described rutile titanium dioxide is 30 ~ 60 μm;
3) control stirring velocity to 1200 ~ 1500r/min, add 4 ~ 10 parts of phase-change microcapsules, mix;
4) reduce stirring velocity to 800 ~ 1200r/min, add 30 ~ 45 parts of emulsions, mix after interpolation;
5) control stirring velocity to 300 ~ 600r/min, add 0.2 ~ 0.5 part of defoamer, stir, obtain the finished product.
Preferred preparation method, step 1) described in the churning time that mixes be 10 ~ 25min; Step 3) churning time is 10 ~ 20min; Step 4) churning time is 10 ~ 20min; Step 5) churning time is 15 ~ 30min.
Adopt technique scheme, obtained by above-mentioned preparation method, this coating density≤0.83g/cm3, thermal conductivity≤0.10W/ (mk), the heat insulation temperature difference >=10 DEG C.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1) phase-change microcapsule that provides for Yantai Rui Long chemical technology company limited of the present invention, be characterized in: be coated with transformation temperature in its capsule at about 20-30 DEG C phase change material, when it is applied in coating, the heat-proof quality of coating can be significantly improved, this is because phase-change microcapsule can form the film that continuous print film is equivalent to define one deck phase change material when dried coating film, when solar radiation and temperature are elevated to the transformation temperature of material, material molten absorbs heat, thus temperature is no longer raised and reaches heat insulating effect; And when the temperature decreases, phase change material curing exotherm and stop the reduction of temperature, and then reach heat insulating effect.Comparatively glass microballon and hollow polymer microsphere have better heat insulating effect to the thermal insulating coating of employing prepared by phase-change microcapsule; Further, phase-change microcapsule has efficient fillibility, can give the mobility that coating is good, this is because phase-change microcapsule is microspheroidal, when adding in coating, globosity is conducive to rolling each other.
2) the present invention is filler with phase-change microcapsule, take rutile titanium dioxide as pigment, and obtained film utilizes the principle of decalescence and heat release, reaches heat-insulation and heat-preservation, effect cool in summer and warm in winter, improves the comfortableness of living environment in building.This coating has good outward appearance, good stability in storage, coating density≤0.83g/cm
3, thermal conductivity≤0.10W/ (mk), the heat insulation temperature difference>=10 DEG C, and there is excellent wash brush and brushing performance.
3) adopt preparation method of the present invention each component disperses even, intermiscibility is good, not stratified, film forming good.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is further described, but the scope of protection of the invention is not limited to embodiment.
Embodiment 1
In the stainless steel cup of 1L, under the condition of 300r/min, add 350g water successively, 4g thickening material (CELLOSIZEQP-10000), 1g multifunctional assistant (CODIS-99), the anti-aging auxiliary agent of 4g (Yantai rising star's chemical article company limited 5529E30), 3g wetting agent (polyxyethylated alkylphenol), 9g dispersion agent (DISPEX WB G40), 10g sanitas (BOLISERGT 50), 5g mould inhibitor (MEITION AF 2130), 3g defoamer (BYK 141), 30g film coalescence aid (ethylene glycol), after interpolation, stirring 10min makes it fully mix, improve stirring velocity to 2000r/min, add 150g rutile titanium dioxide (wide dimerization work R69) slowly, after interpolation, stir 25min and make its fineness reach requirement, reduce stirring velocity to 1200r/min, add the RL30A phase-change microcapsule functional stuffing of 100g Yantai Rui Long chemical technology company limited, stir 15min and make it fully mix, reduce stirring velocity to 1000r/min, add 420g pure-acrylic emulsion (the rich RS998A of Ahmedabad), after interpolation, stir 15min and make it fully mix, reduce stirring velocity to 300r/min, add 5g defoamer (BYK 141), stirring 20min makes it drive the bubble introduced due to mechanical stirring and capillary the reduction use of the tensio-active agent such as wetting agent, dispersion agent, film coalescence aid (in the coating) in coating production process away, obtained phase-change microcapsule type modified building heat-insulating energy-saving paint.
After testing, this coating under 50 DEG C of acceleration environments, can store 30 days, keeps suspending (GB/T 6753.3) completely; Coating can resistance toly be scrubbed for 4200 times (GB/T 9266); Coating density is 0.81g/cm
3(GB/T 6750); Thermal conductivity is 0.063W/ (mk) (PPMS-9); The heat insulation temperature difference is 11.5 DEG C (JG/T 235).Through performance is tested us and can be learnt, the defect of solid, hollow glass micropearl and the heat insulation difference of hollow polymer microsphere is overcome by this coating of obtaining of filling a prescription, overcome the phenomenons such as uneven, the layering of dispersion that hollow polymer microsphere exists simultaneously, and impart the good fundamental property of coating and outstanding heat-proof quality.
Embodiment 2
In the stainless steel cup of 1L, under the condition of 400r/min, add 350g water successively, 10g thickening material (CELLOSIZEQP-20000), 3g multifunctional assistant (AMP-95), the anti-aging auxiliary agent of 8g (Yantai rising star's chemical article company limited 5529E30), 5g wetting agent (polyoxyethylene aliphatic alcohol ether), 14g dispersion agent (DISPEX WB N30), 12g sanitas (BOLISERGT 2040), 8g mould inhibitor (MEITION AF 2180), 5g defoamer (BYK 8822), 30g film coalescence aid (Lauryl Alcohol ester), after interpolation, stirring 10min makes it fully mix, improve stirring velocity to 2500r/min, add 120g rutile titanium dioxide (wide dimerization work R69) slowly, after interpolation, stir 15min and make its fineness reach requirement, reduce stirring velocity to 1500r/min, add the RL30A phase-change microcapsule functional stuffing of 70g Yantai Rui Long chemical technology company limited, stir 20min and make it fully mix, reduce stirring velocity to 900r/min, add 350g benzene emulsion (the rich RS733 of Ahmedabad), after interpolation, stir 10min and make it fully mix, reduce stirring velocity to 500r/min, add 3g defoamer (BYK 8822), stirring 20min makes it drive the bubble introduced due to mechanical stirring and capillary the reduction use of the tensio-active agent such as wetting agent, dispersion agent, film coalescence aid (in the coating) in coating production process away, obtained phase-change microcapsule type modified building heat-insulating energy-saving paint.
After testing, this coating under 50 DEG C of acceleration environments, can store 30 days, keeps suspending (GB/T 6753.3) completely; Coating can resistance toly be scrubbed for 4500 times (GB/T 9266); Coating density is 0.81g/cm
3(GB/T 6750); Thermal conductivity is 0.080W/ (mk) (PPMS-9); The heat insulation temperature difference is 11.0 DEG C (JG/T 235).Through performance is tested us and can be learnt, the defect of solid, hollow glass micropearl and the heat insulation difference of hollow polymer microsphere is overcome by this coating of obtaining of filling a prescription, overcome the phenomenons such as uneven, the layering of dispersion that hollow polymer microsphere exists simultaneously, and impart the good fundamental property of coating and outstanding heat-proof quality.
Embodiment 3
In the stainless steel cup of 1L, under the condition of 450r/min, add 350g water successively, 6g thickening material (30%CELLOSIZEQP-10000 or 70%CELLOSIZE QP-20000), 1g multifunctional assistant (AMP-95), the anti-aging auxiliary agent of 4g (Yantai rising star's chemical article company limited 5529E30), 3g wetting agent (50% polyxyethylated alkylphenol and 50% polyoxyethylene polyoxypropylene block copolymer), 10g dispersion agent (DISPEX WB G40), 15g sanitas (BOLISER GT 50), 6g mould inhibitor (MEITION AF 2180), 5g defoamer (BYK 141), 20g film coalescence aid (20% ethylene glycol and 80% Lauryl Alcohol ester), after interpolation, stirring 10min makes it fully mix, improve stirring velocity to 2000r/min, add 140g rutile titanium dioxide (wide dimerization work R69) slowly, after interpolation, stir 15min and make its fineness reach requirement, reduce stirring velocity to 1400r/min, add the RL30A phase-change microcapsule functional stuffing of 40g Yantai Rui Long chemical technology company limited, stir 20min and make it fully mix, reduce stirring velocity to 1100r/min, add 200g pure-acrylic emulsion (the rich RS998A of Ahmedabad) and 200g organosilicon crylic acid latex (the rich RS996 of Ahmedabad), after interpolation, stir 10min and make it fully mix, reduce stirring velocity to 300r/min, add 4g defoamer (BYK 141), stirring 20min makes it drive the bubble introduced due to mechanical stirring and capillary the reduction use of the tensio-active agent such as wetting agent, dispersion agent, film coalescence aid (in the coating) in coating production process away, obtained phase-change microcapsule type modified building heat-insulating energy-saving paint.
After testing, this coating under 50 DEG C of acceleration environments, can store 30 days, keeps basic and suspends (GB/T 6753.3); Coating can resistance toly be scrubbed for 4600 times (GB/T 9266); Coating density is 0.83g/cm
3(GB/T 6750); Thermal conductivity is 0.100W/ (mk) (PPMS-9); The heat insulation temperature difference is 10.0 DEG C (JG/T 235).Through performance is tested us and can be learnt, the defect of solid, hollow glass micropearl and the heat insulation difference of hollow polymer microsphere is overcome by this coating of obtaining of filling a prescription, overcome the phenomenons such as uneven, the layering of dispersion that hollow polymer microsphere exists simultaneously, and impart the good fundamental property of coating and outstanding heat-proof quality.
Embodiment 4
In the stainless steel cup of 1L, under the condition of 600r/min, add 400g water successively, 10g thickening material (50%CELLOSIZE QP-10000 and 50%CELLOSIZE QP-20000), 2g multifunctional assistant (50%CODIS-99 and 50%AMP-95), the anti-aging auxiliary agent of 6g (Yantai rising star's chemical article company limited 5513E30), 2g wetting agent (polyoxyethylene polyoxypropylene block copolymer), 8g dispersion agent (DISPEX WB G40), 10g sanitas (BOLISER GT 50), 4g mould inhibitor (MEITION AF 2130), 2g defoamer (BYK 141), 20g film coalescence aid (50% ethylene glycol and 50% Lauryl Alcohol ester), after interpolation, stirring 15min makes it fully mix, improve stirring velocity to 1500r/min, add 170g rutile titanium dioxide (wide dimerization work R69) slowly, after interpolation, stir 20min and make its fineness reach requirement, reduce stirring velocity to 1300r/min, add RL25A and the RL30A combined phase-change microcapsule functional stuffing of 70g Yantai Rui Long chemical technology company limited, stir 15min and make it fully mix, reduce stirring velocity to 800r/min, add 300g organosilicon crylic acid latex (the rich RS996 of Ahmedabad), after interpolation, stir 20min and make it fully mix, reduce stirring velocity to 600r/min, add 2g defoamer (BYK 8822), stirring 20min makes it drive the bubble introduced due to mechanical stirring and capillary the reduction use of the tensio-active agent such as wetting agent, dispersion agent, film coalescence aid (in the coating) in coating production process away, obtained phase-change microcapsule type modified building heat-insulating energy-saving paint.
After testing, this coating under 50 DEG C of acceleration environments, can store 30 days, keeps basic and suspends (GB/T 6753.3); Coating can resistance toly be scrubbed for 4500 times (GB/T 9266); Coating density is 0.80g/cm
3(GB/T 6750); Thermal conductivity is 0.058W/ (mk) (PPMS-9); The heat insulation temperature difference is 11.2 DEG C (JG/T 235).Through performance is tested us and can be learnt, the defect of solid, hollow glass micropearl and the heat insulation difference of hollow polymer microsphere is overcome by this coating of obtaining of filling a prescription, overcome the phenomenons such as uneven, the layering of dispersion that hollow polymer microsphere exists simultaneously, and impart the good fundamental property of coating and outstanding heat-proof quality.
Embodiment 5
In the stainless steel cup of 1L, under the condition of 500r/min, add 300g water successively, 8g thickening material (CELLOSIZEQP-10000), 3g multifunctional assistant (CODIS-99), the anti-aging auxiliary agent of 8g (Yantai rising star's chemical article company limited 5513E30), 4g wetting agent (50% polyxyethylated alkylphenol and 50% polyoxyethylene aliphatic alcohol ether), 10g dispersion agent (50%DISPEX WB G40 and 50%DISPEX WB N30), 8g sanitas (50%BOLISER GT 2040 and 50%BOLISERGT 50), 10g mould inhibitor (MEITION AF 2180), 2g defoamer (BYK 8822), 50g film coalescence aid (30% ethylene glycol and 70% Lauryl Alcohol ester), after interpolation, stirring 5min makes it fully mix, improve stirring velocity to 1500r/min, add 200g rutile titanium dioxide (wide dimerization work R69) slowly, after interpolation, stir 20min and make its fineness reach requirement, reduce stirring velocity to 1200r/min, add the combined phase-change microcapsule functional stuffing of RL25A and RL30A of 100g Yantai Rui Long chemical technology company limited, stir 15min and make it fully mix, reduce stirring velocity to 1000r/min, add 180g pure-acrylic emulsion (the rich RS998A of Ahmedabad) and 180g benzene emulsion (the rich RS733 of Ahmedabad), after interpolation, stir 15min and make it fully mix, reduce stirring velocity to 400r/min, add 5g defoamer (BYK 141), stirring 20min makes it drive the bubble introduced due to mechanical stirring and capillary the reduction use of the tensio-active agent such as wetting agent, dispersion agent, film coalescence aid (in the coating) in coating production process away, obtained phase-change microcapsule type modified building heat-insulating energy-saving paint.
After testing, this coating under 50 DEG C of acceleration environments, can store 30 days, keeps suspending (GB/T 6753.3) completely; Coating can resistance toly be scrubbed for 4600 times (GB/T 9266); Coating density is 0.77g/cm
3(GB/T 6750); Thermal conductivity is 0.046W/ (mk) (PPMS-9); The heat insulation temperature difference is 12.1 DEG C (JG/T 235).Through performance is tested us and can be learnt, the defect of solid, hollow glass micropearl and the heat insulation difference of hollow polymer microsphere is overcome by this coating of obtaining of filling a prescription, overcome the phenomenons such as uneven, the layering of dispersion that hollow polymer microsphere exists simultaneously, and impart the good fundamental property of coating and outstanding heat-proof quality.
Embodiment 6
In the stainless steel cup of 1L, under the condition of 350r/min, add 300g water successively, 5g thickening material (CELLOSIZEQP-10000), 1g multifunctional assistant (CODIS-99), the anti-aging auxiliary agent of 8g (Yantai rising star's chemical article company limited 5529E30+5513E30), 2g wetting agent (polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer), 20g dispersion agent (DISPEX WB G40), 9g sanitas (BOLISER GT 50), 7g mould inhibitor (MEITION AF 2130), 4g defoamer (BYK 8822), 50g film coalescence aid (40% ethylene glycol and 60% Lauryl Alcohol ester), after interpolation, stirring 15min makes it fully mix, improve stirring velocity to 2500r/min, add 100g rutile titanium dioxide (wide dimerization work R69) slowly, after interpolation, stir 10min and make its fineness reach requirement, reduce stirring velocity to 1500r/min, add RL30A, RL25A and RL20A combined phase-change microcapsule functional stuffing of 70g Yantai Rui Long chemical technology company limited, stir 25min and make it fully mix, reduce stirring velocity to 1200r/min, add 250g benzene emulsion (the rich RS996 of Ahmedabad) and 200g organosilicon crylic acid latex (the rich RS733 of Ahmedabad), after interpolation, stir 10min and make it fully mix, reduce stirring velocity to 400r/min, add 2g froth breaking (BYK 8822), stirring 20min makes it drive the bubble introduced due to mechanical stirring and capillary the reduction use of the tensio-active agent such as wetting agent, dispersion agent, film coalescence aid (in the coating) in coating production process away, obtained phase-change microcapsule type modified building heat-insulating energy-saving paint.
After testing, this coating under 50 DEG C of acceleration environments, can store 30 days, keeps basic and suspends (GB/T 6753.3); Coating can resistance toly be scrubbed for 4400 times (GB/T 9266); Coating density is 0.79g/cm
3(GB/T 6750); Thermal conductivity is 0.055W/ (mk) (PPMS-9); The heat insulation temperature difference is 11.5 DEG C (JG/T 235).Through performance is tested us and can be learnt, the defect of solid, hollow glass micropearl and the heat insulation difference of hollow polymer microsphere is overcome by this coating of obtaining of filling a prescription, overcome the phenomenons such as uneven, the layering of dispersion that hollow polymer microsphere exists simultaneously, and impart the good fundamental property of coating and outstanding heat-proof quality.
Claims (3)
1. phase-change microcapsule type modified building coating, it is characterized in that: by massfraction, composed of the following components: 30 ~ 40 parts of water, 0.4 ~ 1.0 part of thickening material, 0.1 ~ 0.3 part of multifunctional assistant, 0.3 ~ 1 part of anti-aging auxiliary agent, 0.2 ~ 0.5 part of wetting agent, 0.8 ~ 2.0 part of dispersion agent, 0.8 ~ 1.5 portion of sanitas, 0.4 ~ 1.0 part of mould inhibitor, 0.2 ~ 0.5 part of defoamer, 2 ~ 5 parts of film coalescence aid, 10 ~ 20 parts of pigment, 4 ~ 10 parts of phase-change microcapsules, 30 ~ 45 parts of emulsions, be mixed;
Described thickening material is one or both in CELLOSIZE QP-10000 and CELLOSIZE QP-20000; Described multifunctional assistant is one or both in CODIS-99 or AMP-95; Described anti-aging auxiliary agent is Yantai rising star's chemical article company limited, and to produce lot number be one or both in 5529E30,5513E30; Described wetting agent is one or both in polyxyethylated alkylphenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer; Described dispersion agent is one or both in DISPEX WB G40 and DISPEX WB N30; Described sanitas is one or both in BOLISER GT 50 and BOLISERGT 2040; Described mould inhibitor is MEITION AF 2130 or MEITION AF 2180; Described film coalescence aid is one or both in ethylene glycol and Lauryl Alcohol ester; Described phase-change microcapsule for product batch number that Yantai Rui Long chemical technology company limited provides be one or more in RL30A, RL25A and RL20A; Described emulsion is one or both in pure-acrylic emulsion, benzene emulsion and organosilicon crylic acid latex; Described defoamer is one or both in BYK-141 and BYK-8822.
2. the preparation method of phase-change microcapsule type modified building coating according to claim 1, comprises the steps:
1) under 300 ~ 600r/min stirring at low speed, 30 ~ 40 parts of water are added in vessel, 0.4 ~ 1.0 part of thickening material, 0.1 ~ 0.3 part of multifunctional assistant, 0.2 ~ 0.5 part of wetting agent, 0.3 ~ 1 part of anti-aging auxiliary agent, 0.8 ~ 2.0 part of dispersion agent, 0.8 ~ 1.5 portion of sanitas, 0.4 ~ 1.0 part of mould inhibitor, 0.2 ~ 0.5 part of defoamer, 2 ~ 5 parts of film coalescence aid, after interpolation, mix;
2) control stirring velocity to 1000r/min ~ 2500r/min, add 10 ~ 20 parts of pigment rutile titanium dioxides, stir 15 ~ 25min; The particle diameter of described rutile titanium dioxide is 30 ~ 60 μm;
3) control stirring velocity to 1200 ~ 1500r/min, add 4 ~ 10 parts of phase-change microcapsules, mix;
4) reduce stirring velocity to 800 ~ 1200r/min, add 30 ~ 45 parts of emulsions, mix after interpolation;
5) control stirring velocity to 300 ~ 600r/min, add 0.2 ~ 0.5 part of defoamer, stir, obtain the finished product.
3. the preparation method of phase-change microcapsule type modified building coating according to claim 2, is characterized in that: step 1) described in the churning time that mixes be 10 ~ 25min; Step 3) churning time is 10 ~ 20min; Step 4) churning time is 10 ~ 20min; Step 5) churning time is 15 ~ 30min.
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Application publication date: 20150805 |