CN105131774A - Multifunctional inner wall paint - Google Patents
Multifunctional inner wall paint Download PDFInfo
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Abstract
The invention discloses a multifunctional inner wall paint. The multifunctional inner wall paint comprises raw materials: modified acrylic resin emulsion, pure acrylic emulsion, light calcium carbonate, diatomite, lithopone, ultrafine talcum powder, water absorption composite materials, negative ion-anti-microbial additives, hydroxyethyl cellulose, a dispersant SN-5040, a wetting agent AP-680, 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate, propylene glycol monomethyl ether, an antifoaming agent TSP-01, sodium hexametaphosphate, a leveling agent L-150, a stain-resistant agent JZM-1, glycol, a multifunctional auxiliary agent AMP-95, mildew inhibitors and deionized water. The multifunctional inner wall paint has good scrubbing resistance, rheological property and brushing performance, can absorb harmful components in air indoors, adsorbs moisture, releases moisture, refreshes air, releases negative ions and is environmentally friendly and is helpful for health.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of multifunctional inner wall coating material.
Background technology
Along with the further raising that people require for home decoration, environmental protection, low-carbon (LC) life become the main flow in epoch.Meanwhile, the developing direction of house fitting-up interior wall coating is trend middle and high end, not only requires to have good scrub resistance, rheological, brushing property etc., proposes requirements at the higher level to aspects such as its green, environmental protection, other functions.
In the past few years, coating has become ten one of harm greatly that world environments is polluted.Have data to show, the pollution that coating causes has been only second to the harm of vehicle exhaust, ranks the second in global environmental pollution source.The pollution of coating is mainly derived from the objectionable impurities contained in its composition.Modern coatings uses a large amount of organic solvent and has the various auxiliary agents of certain toxicity, sanitas and the paint filler containing heavy metal, all may produce objectionable impurities, cause the pollution to environment, affect human health in manufacture and usage.The harm of coating is mainly from three aspects, and first is the total organic volatile content of coating, namely usually said VOC content, and organic volatile directly endangers environment structure; Second is the toxicity of solvent, understands and cause direct harm to personnel in production and construction process; 3rd is the safety problem to user, and the volatilization of solvent is a long-term process slowly, will damage if solvent is poisonous to human body.
New " in indoor decorating and refurnishing materials interior wall coating limits of harmful substances " on October 1st, 1 implements, and is more particular about environmental protection, zero VOC etc.Implement close in the time of 6 years, coatings enterprises is in the thinking of constantly groping to make new advances.The product structure of interior wall coating adapts to market always, in the middle of constantly adjusting, propose from environmental protection, low-carbon (LC), green concept, the developing direction in future is aimed at environmental protection by more coating material production business, the categories such as more additional functions, thus increase value-added content of product.Therefore, release in continuous market, environmental protection, the functional paints such as environment that purify the air of a room of various brand are countless, and what China Home finishing user chose is the serious hope of a heart, and ubiquity queries the reality of helpless acceptance to result.Develop and can realize " Product Green is healthy ", " product performance guarantee ", the product of meeting customer need completely is particularly important.
Summary of the invention
The present invention proposes a kind of multifunctional inner wall coating material, it not only has good scrub resistance, rheological, brushing property, and can adsorb the objectionable constituent in room air, humidity absorption and release, fresh air, anion releasing, environment protection health.
The present invention proposes a kind of multifunctional inner wall coating material, its raw material comprises by weight: modified acrylic resin emulsion 40-60 part, pure-acrylic emulsion 1-6 part, light calcium carbonate 6-16 part, diatomite 10-18 part, zinc sulfide white 2-6 part, superfine talcum powder 2-4 part, water-absorbent composite material 1-5 part, negative ion-antimicrobial additive 1-5 part, Natvosol 0.1-0.3 part, dispersion agent SN-50400.5-0.7 part, wetting agent AP-6800.3-0.5 part, alcohol ester 12 0.5-0.8 part, propylene glycol monomethyl ether 0.1-0.3 part, defoamer TSP-010.2-0.4 part, Sodium hexametaphosphate 99 0.3-0.5 part, flow agent L-1500.3-0.5 part, stain resistant agent JZM-10.5-1.0 part, ethylene glycol 0.5-1.8 part, multifunctional assistant AMP-950.1-0.2 part, mould inhibitor 0.3-1.2 part, deionized water 50-70 part.
Preferably, described multifunctional inner wall coating material, its raw material comprises by weight: modified acrylic resin emulsion 45-55 part, pure-acrylic emulsion 2-5 part, light calcium carbonate 8-12 part, diatomite 12-16 part, zinc sulfide white 4-6 part, superfine talcum powder 3-4 part, water-absorbent composite material 2-4 part, negative ion-antimicrobial additive 2-4 part, Natvosol 0.1-0.2 part, dispersion agent SN-50400.6-0.7 part, wetting agent AP-6800.3-0.4 part, alcohol ester 12 0.6-0.7 part, propylene glycol monomethyl ether 0.1-0.2 part, defoamer TSP-010.3-0.4 part, Sodium hexametaphosphate 99 0.3-0.4 part, flow agent L-1500.4-0.5 part, stain resistant agent JZM-10.6-0.8 part, ethylene glycol 0.9-1.4 part, multifunctional assistant AMP-950.1-0.2 part, mould inhibitor 0.4-0.8 part, deionized water 60-65 part.
Preferably, described modified acrylic resin emulsion is prepared according to following technique: by deionized water, sodium bicarbonate, lauryl mercaptan, alkyl sodium sulfonate adds in reactor and stirs, be warming up to 70-90 DEG C, dropping comprises methacrylic acid, Isooctyl methacrylate, hydroxyethyl methylacrylate, the pre-emulsification solution that trifluoroethyl methacrylate and ammonium persulphate are formed, dropping is completed in 1-3h, insulation reaction 1-3h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 30-40wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion.
Preferably, described modified manometer silicon dioxide is silane coupler modified nano silicon, the preparation technology of described silane coupler modified nano silicon is as follows: in the mixing solutions of the isopropyl alcohol and water of volume ratio 6-8:1, add with nano silicon be benchmark 5-10wt% silane coupling agent after stir, add nano silicon again to stir, dry at 60-80 DEG C to its solvent be 40-60wt%, at 120-140 DEG C, be dried to solvent is again 0-3wt%, grinding, obtains described modified manometer silicon dioxide; Preferably, described silane coupling agent is that the Silane coupling reagent KH-570 of 3-4:1 and silane coupling A-137 form by quality proportioning.
Preferably, described modified acrylic resin emulsion is prepared according to following technique: by weight by deionized water 160-180 part, sodium bicarbonate 0.3-0.5 part, lauryl mercaptan 0.5-1 part, alkyl sodium sulfonate 1-2 part adds in reactor and stirs, be warming up to 80-90 DEG C, dropping comprises methacrylic acid 5-10 part, Isooctyl methacrylate 20-30 part, hydroxyethyl methylacrylate 20-30 part, the pre-emulsification solution that trifluoroethyl methacrylate 8-15 part and ammonium persulphate 0.4-0.6 part are formed, dropping is completed in 1-2h, insulation 2-3h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 30-40wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion.
Preferably, described water-absorbent composite material is prepared according to following technique: be that wilkinite 30-45 part, sodium alginate 4-8 part of 10-20um adds water and stirs by weight by particle diameter, add treated starch cakingagent 2-5 part again, insulated and stirred 0.5-1h at 30-40 DEG C, filter, dry, obtain described water-absorbent composite material.
Preferably, the preparation technology of described treated starch cakingagent is as follows: tapioca (flour) being added concentration is in the aqueous ethanolic solution of 80-90wt%, caustic soda is added under stirring, quaternization 20-30min at 30-40 DEG C, add boric acid again, stirring reaction 30-50min at 50-120 DEG C, obtains described treated starch cakingagent, and wherein the weight proportion of tapioca (flour), caustic soda, boric acid is 1:0.1-0.3:0.03-0.05.
Preferably, described negative ion-antimicrobial additive is made up of negative ion powder 8-15 part, titanium valve 0.2-2 part, Tourmaline powder 3-6 part, oxide powder and zinc 1-3 part, silver-series antibacterial agent 0.01-1.0 part, gelatin 4-10 part, water 10-20 part by weight; Preferably, described negative ion powder is that the rare earth element powder of 2-3:1 and tourmaline powder form by weight proportion.
Preferably, described mould inhibitor is one or more in nitrogenous organic heterocyclic molecule, termil, CMIT, Kathon.
A kind of preparation technology of multifunctional inner wall coating material, comprise: by defoamer TSP-01, after deionized water mixing, 3-5min is disperseed under 300-400r/min rotating speed, add stain resistant agent JZW-1, flow agent L-150, mould inhibitor, ethylene glycol and multifunctional assistant AMP-95, 2-4min is disperseed under 600-800r/min rotating speed, add light calcium carbonate again, diatomite, zinc sulfide white, superfine talcum powder, water-absorbent composite material, negative ion-antimicrobial additive, Sodium hexametaphosphate 99, dispersion agent SN-5040, wetting agent AP-680, 35-40min is disperseed under 1800-2200r/min speed, add modified acrylic resin emulsion again, pure-acrylic emulsion, alcohol ester 12, propylene glycol monomethyl ether and Natvosol, under 800-1000r/min speed, disperse 15-20min even to mixing liquid.
In the present invention, modified acrylic resin emulsion is added as filmogen in described multifunctional inner wall coating material, the modified acrylic resin emulsion that acrylic resin modified and doping vario-property nano silicon is obtained by reacting by the organic fluorine with low surface energy characteristic, remain plain polypropylene acid esters ornamental, protective, the unique advantage that the aspect such as functional has simultaneously, also show excellent surface property, substantially increase the contact angle of film, its filmogen as coating has excellent weathering resistance, erosion resistance, hydro-oleophobicity and chemical stability, for improving the doping reaction performance of nano silicon, by the modifying surface of silane coupling agent to nano silicon in the present invention, it long-time stable can suspend in oily solution, therefore stably doping reaction can be there is with the Emulsion acrylic resin of organic fluorine modification, thus in film, form a large amount of micro-nano mastoid process structure of generation, make the film forming sticking power of modified acrylic resin emulsion, contamination resistance, hardness, acid-fast alkali-proof is all far away higher than national standard, in addition by pure-acrylic emulsion and modified acrylic resin emulsion composite, then not only can improve the density of film, also can better the mineral filler such as coated caco3, kaolin, be conducive to being formed the paint film of densification continuously, diatomite due to light weight, exquisiteness, loose, porous, adsorptive power and seepage force are strong, particle is tiny, it is the first-selection of environment-friendly building materials coating, and by diatomaceous hollow microporous structure, significantly can improve purifying formaldehyde performance and the purifying formaldehyde persistence of coating, simultaneously due to the multi-cellular structure of diatomite itself, it has the performances such as excellent wet swelling, moisture releasing reduction and water migration, humidity conditioning function is a kind of moisture absorption and desorption property relying on self, induction adjust the change of space atmospheric moisture, in the present invention by select inorganic mineral diatomite and water-absorbent composite material composite as moisture absorption additive, first by load sodium alginate in wilkinite, wilkinite surface is become entangled in through treated starch cakingagent, formed homogeneous thus, the water-absorbent composite material of compound, there is superpower water absorbent rate, and by composite with diatomite, diatomaceous ultrafine micropore is utilized constantly to be discharged by moisture, make this composite humidity adjusting effect, greatly strengthen the moisture adsorption and releasing ability in coating, negative ion-the antimicrobial additive added in right amount, carrier is done by adopting nonpoisonous and tasteless gelatin, the additive sterilization effect formed thus is obvious especially, the film made also forever can discharge hydroxyl group anion, and then to obnoxious flavour, bacterium and microorganism by processes such as coated sedimentation, neutralization, field current decomposition and chemical reactions, reach the object of fresh air, the superior solubility of film coalescence aid alcohol ester 12, propylene glycol monomethyl ether, the film being conducive to modified acrylic resin emulsion is stable, even, dispersion agent SN-5040, composite with thickening material Natvosol, be then conducive to obtaining more stable network structure, improve the stability of system, stain resistant agent JZM-1 is conducive to the compactness and the surface strength that improve film, the VOC content of defoamer TSP-01 is low, has excellent pressing down bubble and break bubble effect, can effectively improve its water tolerance and scrub resistance, the frost resistance of coating can be improved while ethylene glycol plays solvent cut effect.
In the present invention, described multifunctional inner wall coating material is a kind of water-borne coatings with excellent humidity absorption and release, fresh air, anion releasing, environment protection health and scrub resistance, rheological, brushing property, long-term exposure does not ftracture under air, do not peel off, not shedding, nondiscoloration, durable in use, safety non-toxic, pollution-free, be applicable to indoor wall decorations.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
Embodiment 1
Multifunctional inner wall coating material of the present invention, its raw material comprises following component by weight: its raw material comprises by weight: modified acrylic resin emulsion 40 parts, pure-acrylic emulsion 6 parts, light calcium carbonate 6 parts, 18 parts, diatomite, 2 parts, zinc sulfide white, superfine talcum powder 4 parts, water-absorbent composite material 1 part, negative ion-antimicrobial additive 5 parts, Natvosol 0.1 part, dispersion agent SN-50400.7 part, wetting agent AP-6800.3 part, alcohol ester 12 parts, propylene glycol monomethyl ether 0.1 part, defoamer TSP-010.4 part, Sodium hexametaphosphate 99 0.3 part, flow agent L-1500.5 part, stain resistant agent JZM-10.5 part, ethylene glycol 1.8 parts, multifunctional assistant AMP-950.1 part, mould inhibitor 1.2 parts, deionized water 50 parts,
Described modified acrylic resin emulsion is prepared according to following technique: by weight by deionized water 160 parts, sodium bicarbonate 0.5 part, lauryl mercaptan 0.5 part, alkyl sodium sulfonate 2 parts adds in reactor and stirs, be warming up to 80 DEG C, dropping comprises methacrylic acid 10 parts, Isooctyl methacrylate 20 parts, hydroxyethyl methylacrylate 30 parts, the pre-emulsification solution that trifluoroethyl methacrylate 8 parts and ammonium persulphate 0.6 part are formed, dropping is completed in 1h, insulation reaction 3h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 30wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion, wherein said modified manometer silicon dioxide is silane coupler modified nano silicon, the preparation technology of described silane coupler modified nano silicon is as follows: in the mixing solutions of the isopropyl alcohol and water of volume ratio 8:1, add with nano silicon be benchmark 5wt% silane coupling agent after stir, add nano silicon again to stir, dry at 80 DEG C to its solvent be 40wt%, at 120 DEG C, be dried to solvent is again 3wt%, grinding, obtain described modified manometer silicon dioxide, wherein said silane coupling agent is made up of the Silane coupling reagent KH-570 of quality proportioning 4:1 and silane coupling A-137,
Described water-absorbent composite material is prepared according to following technique: the wilkinite 30 parts by particle diameter being 10-20um by weight, sodium alginate 8 parts adds water and stirs, add treated starch cakingagent 2 parts again, insulated and stirred 0.5h at 40 DEG C, filter, dry, obtain described water-absorbent composite material, the preparation technology of wherein said treated starch cakingagent is as follows: added by tapioca (flour) in the aqueous ethanolic solution of 90wt%, caustic soda is added under stirring, quaternization 30min at 30 DEG C, add boric acid again, stirring reaction 50min at 50 DEG C, obtain described treated starch cakingagent, wherein tapioca (flour), caustic soda, the weight proportion of boric acid is 1:0.1:0.05,
Described negative ion-antimicrobial additive is made up of negative ion powder 8 parts, titanium valve 2 parts, 3 parts, Tourmaline powder, oxide powder and zinc 3 parts, silver-series antibacterial agent 0.01 part, 10 parts, gelatin, 10 parts, water by weight, and wherein said negative ion powder is made up of the rare earth element powder of weight proportion 3:1 and tourmaline powder.
Embodiment 2
Multifunctional inner wall coating material of the present invention, its raw material comprises following component by weight: its raw material comprises by weight: modified acrylic resin emulsion 60 parts, pure-acrylic emulsion 1 part, light calcium carbonate 16 parts, 10 parts, diatomite, 6 parts, zinc sulfide white, superfine talcum powder 2 parts, water-absorbent composite material 5 parts, negative ion-antimicrobial additive 1 part, Natvosol 0.3 part, dispersion agent SN-50400.5 part, wetting agent AP-6800.5 part, alcohol ester 12 parts, propylene glycol monomethyl ether 0.3 part, defoamer TSP-010.2 part, Sodium hexametaphosphate 99 0.5 part, flow agent L-1500.3 part, stain resistant agent JZM-11.0 part, ethylene glycol 0.5 part, multifunctional assistant AMP-950.2 part, mould inhibitor 0.3 part, deionized water 70 parts,
Described modified acrylic resin emulsion is prepared according to following technique: by weight by deionized water 180 parts, sodium bicarbonate 0.3 part, lauryl mercaptan 1 part, alkyl sodium sulfonate 1 part adds in reactor and stirs, be warming up to 90 DEG C, dropping comprises methacrylic acid 5 parts, Isooctyl methacrylate 30 parts, hydroxyethyl methylacrylate 20 parts, the pre-emulsification solution that trifluoroethyl methacrylate 15 parts and ammonium persulphate 0.4 part are formed, dropping is completed in 2h, insulation reaction 2h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 40wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion, wherein said modified manometer silicon dioxide is silane coupler modified nano silicon, the preparation technology of described silane coupler modified nano silicon is as follows: in the mixing solutions of the isopropyl alcohol and water of volume ratio 6:1, add with nano silicon be benchmark 10wt% silane coupling agent after stir, add nano silicon again to stir, dry at 60 DEG C to its solvent be 60wt%, at 140 DEG C, be dried to solvent is again 0, grinding, obtain described modified manometer silicon dioxide, wherein said silane coupling agent is made up of the Silane coupling reagent KH-570 of quality proportioning 3:1 and silane coupling A-137,
Described water-absorbent composite material is prepared according to following technique: the wilkinite 45 parts by particle diameter being 10-20um by weight, sodium alginate 4 parts adds water and stirs, add treated starch cakingagent 5 parts again, insulated and stirred 1h at 30 DEG C, filter, dry, obtain described water-absorbent composite material, the preparation technology of wherein said treated starch cakingagent is as follows: added by tapioca (flour) in the aqueous ethanolic solution of 80wt%, caustic soda is added under stirring, quaternization 20min at 40 DEG C, add boric acid again, stirring reaction 30min at 120 DEG C, obtain described treated starch cakingagent, wherein tapioca (flour), caustic soda, the weight proportion of boric acid is 1:0.3:0.03,
Described negative ion-antimicrobial additive is made up of negative ion powder 15 parts, titanium valve 0.2 part, 6 parts, Tourmaline powder, oxide powder and zinc 1 part, silver-series antibacterial agent 1.0 parts, 4 parts, gelatin, 20 parts, water by weight, and wherein said negative ion powder is made up of the rare earth element powder of weight proportion 2:1 and tourmaline powder.
Embodiment 3
Multifunctional inner wall coating material of the present invention, its raw material comprises following component by weight: its raw material comprises by weight: modified acrylic resin emulsion 45 parts, pure-acrylic emulsion 5 parts, light calcium carbonate 8 parts, 16 parts, diatomite, 4 parts, zinc sulfide white, superfine talcum powder 4 parts, water-absorbent composite material 2 parts, negative ion-antimicrobial additive 4 parts, Natvosol 0.1 part, dispersion agent SN-50400.7 part, wetting agent AP-6800.3 part, alcohol ester 12 parts, propylene glycol monomethyl ether 0.1 part, defoamer TSP-010.4 part, Sodium hexametaphosphate 99 0.3 part, flow agent L-1500.5 part, stain resistant agent JZM-10.6 part, ethylene glycol 1.4 parts, multifunctional assistant AMP-950.1 part, mould inhibitor 0.8 part, deionized water 60 parts,
Described modified acrylic resin emulsion is prepared according to following technique: by weight by deionized water 180 parts, sodium bicarbonate 0.3 part, lauryl mercaptan 1 part, alkyl sodium sulfonate 1 part adds in reactor and stirs, be warming up to 85 DEG C, dropping comprises methacrylic acid 7 parts, Isooctyl methacrylate 25 parts, hydroxyethyl methylacrylate 25 parts, the pre-emulsification solution that trifluoroethyl methacrylate 11 parts and ammonium persulphate 0.5 part are formed, dropping is completed in 1.5h, insulation reaction 2.5h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 35wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion, wherein said modified manometer silicon dioxide is silane coupler modified nano silicon, the preparation technology of described silane coupler modified nano silicon is as follows: in the mixing solutions of the isopropyl alcohol and water of volume ratio 7:1, add with nano silicon be benchmark 7wt% silane coupling agent after stir, add nano silicon again to stir, dry at 70 DEG C to its solvent be 50wt%, at 130 DEG C, be dried to solvent is again 2wt%, grinding, obtain described modified manometer silicon dioxide, wherein said silane coupling agent is made up of the Silane coupling reagent KH-570 of quality proportioning 3.5:1 and silane coupling A-137,
Described water-absorbent composite material is prepared according to following technique: the wilkinite 36 parts by particle diameter being 10-20um by weight, sodium alginate 6 parts adds water and stirs, add treated starch cakingagent 3 parts again, insulated and stirred 0.8h at 35 DEG C, filter, dry, obtain described water-absorbent composite material, the preparation technology of wherein said treated starch cakingagent is as follows: added by tapioca (flour) in the aqueous ethanolic solution of 88wt%, caustic soda is added under stirring, quaternization 25min at 35 DEG C, add boric acid again, stirring reaction 40min at 90 DEG C, obtain described treated starch cakingagent, wherein tapioca (flour), caustic soda, the weight proportion of boric acid is 1:0.2:0.04,
Described negative ion-antimicrobial additive is made up of negative ion powder 11 parts, titanium valve 1.1 parts, 4 parts, Tourmaline powder, oxide powder and zinc 2 parts, silver-series antibacterial agent 0.5 part, 7 parts, gelatin, 15 parts, water by weight, and wherein said negative ion powder is made up of the rare earth element powder of weight proportion 2.5:1 and tourmaline powder.
Embodiment 4
Multifunctional inner wall coating material of the present invention, its raw material comprises following component by weight: its raw material comprises by weight: modified acrylic resin emulsion 50 parts, pure-acrylic emulsion 4 parts, light calcium carbonate 10 parts, 14 parts, diatomite, 5 parts, zinc sulfide white, superfine talcum powder 3.5 parts, water-absorbent composite material 3 parts, negative ion-antimicrobial additive 3 parts, Natvosol 0.15 part, dispersion agent SN-50400.65 part, wetting agent AP-6800.35 part, alcohol ester 12 parts, propylene glycol monomethyl ether 0.15 part, defoamer TSP-010.35 part, Sodium hexametaphosphate 99 0.35 part, flow agent L-1500.45 part, stain resistant agent JZM-10.7 part, ethylene glycol 1.2 parts, multifunctional assistant AMP-950.15 part, mould inhibitor 0.6 part, deionized water 62 parts,
Described modified acrylic resin emulsion is prepared according to following technique: by weight by deionized water 170 parts, sodium bicarbonate 0.4 part, lauryl mercaptan 0.8 part, alkyl sodium sulfonate 1.5 parts adds in reactor and stirs, be warming up to 70 DEG C, dropping comprises methacrylic acid 8 parts, Isooctyl methacrylate 26 parts, hydroxyethyl methylacrylate 26 parts, the pre-emulsification solution that trifluoroethyl methacrylate 12 parts and ammonium persulphate 0.5 part are formed, dropping is completed in 3h, insulation reaction 1h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 36wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion, wherein said modified manometer silicon dioxide is silane coupler modified nano silicon, the preparation technology of described silane coupler modified nano silicon is as follows: in the mixing solutions of the isopropyl alcohol and water of volume ratio 7:1, add with nano silicon be benchmark 8wt% silane coupling agent after stir, add nano silicon again to stir, dry at 70 DEG C to its solvent be 50wt%, at 120-140 DEG C, be dried to solvent is again 1wt%, grinding, obtain described modified manometer silicon dioxide, wherein, described silane coupling agent is made up of the Silane coupling reagent KH-570 of quality proportioning 3.5:1 and silane coupling A-137,
Described water-absorbent composite material is prepared according to following technique: the wilkinite 40 parts by particle diameter being 10-20um by weight, sodium alginate 6 parts adds water and stirs, add treated starch cakingagent 4 parts again, insulated and stirred 0.8h at 35 DEG C, filter, dry, obtain described water-absorbent composite material, the preparation technology of wherein said treated starch cakingagent is as follows: added by tapioca (flour) in the aqueous ethanolic solution of 85wt%, caustic soda is added under stirring, quaternization 24min at 36 DEG C, add boric acid again, stirring reaction 42min at 85 DEG C, obtain described treated starch cakingagent, wherein tapioca (flour), caustic soda, the weight proportion of boric acid is 1:0.2:0.04,
Described negative ion-antimicrobial additive is made up of negative ion powder 12 parts, titanium valve 1.2 parts, 5 parts, Tourmaline powder, oxide powder and zinc 2 parts, silver-series antibacterial agent 0.6 part, 8 parts, gelatin, 14 parts, water by weight, and wherein said negative ion powder is made up of the rare earth element powder of weight proportion 2.5:1 and tourmaline powder.
The preparation technology of the multifunctional inner wall coating material described in above-described embodiment 1-4, comprise: by defoamer TSP-01, after deionized water mixing, 3-5min is disperseed under 300-400r/min rotating speed, add stain resistant agent JZW-1, flow agent L-150, mould inhibitor, ethylene glycol and multifunctional assistant AMP-95, 2-4min is disperseed under 600-800r/min rotating speed, add light calcium carbonate again, diatomite, zinc sulfide white, superfine talcum powder, water-absorbent composite material, negative ion-antimicrobial additive, Sodium hexametaphosphate 99, dispersion agent SN-5040, wetting agent AP-680, 35-40min is disperseed under 1800-2200r/min speed, add modified acrylic resin emulsion again, pure-acrylic emulsion, alcohol ester 12, propylene glycol monomethyl ether and Natvosol, under 800-1000r/min speed, disperse 15-20min even to mixing liquid.
The performance test results of the multifunctional inner wall coating material that above-described embodiment 1-4 obtains is as shown in the table:
In the present invention, described multifunctional inner wall coating material is a kind of water-borne coatings with excellent humidity absorption and release, fresh air, anion releasing, environment protection health and scrub resistance, rheological, brushing property, long-term exposure does not ftracture under air, do not peel off, not shedding, nondiscoloration, durable in use, safety non-toxic, pollution-free, be applicable to indoor wall decorations.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a multifunctional inner wall coating material, it is characterized in that, its raw material comprises by weight: modified acrylic resin emulsion 40-60 part, pure-acrylic emulsion 1-6 part, light calcium carbonate 6-16 part, diatomite 10-18 part, zinc sulfide white 2-6 part, superfine talcum powder 2-4 part, water-absorbent composite material 1-5 part, negative ion-antimicrobial additive 1-5 part, Natvosol 0.1-0.3 part, dispersion agent SN-50400.5-0.7 part, wetting agent AP-6800.3-0.5 part, alcohol ester 12 0.5-0.8 part, propylene glycol monomethyl ether 0.1-0.3 part, defoamer TSP-010.2-0.4 part, Sodium hexametaphosphate 99 0.3-0.5 part, flow agent L-1500.3-0.5 part, stain resistant agent JZM-10.5-1.0 part, ethylene glycol 0.5-1.8 part, multifunctional assistant AMP-950.1-0.2 part, mould inhibitor 0.3-1.2 part, deionized water 50-70 part.
2. multifunctional inner wall coating material according to claim 1, it is characterized in that, its raw material comprises by weight: modified acrylic resin emulsion 45-55 part, pure-acrylic emulsion 2-5 part, light calcium carbonate 8-12 part, diatomite 12-16 part, zinc sulfide white 4-6 part, superfine talcum powder 3-4 part, water-absorbent composite material 2-4 part, negative ion-antimicrobial additive 2-4 part, Natvosol 0.1-0.2 part, dispersion agent SN-50400.6-0.7 part, wetting agent AP-6800.3-0.4 part, alcohol ester 12 0.6-0.7 part, propylene glycol monomethyl ether 0.1-0.2 part, defoamer TSP-010.3-0.4 part, Sodium hexametaphosphate 99 0.3-0.4 part, flow agent L-1500.4-0.5 part, stain resistant agent JZM-10.6-0.8 part, ethylene glycol 0.9-1.4 part, multifunctional assistant AMP-950.1-0.2 part, mould inhibitor 0.4-0.8 part, deionized water 60-65 part.
3. multifunctional inner wall coating material according to claim 1 and 2, it is characterized in that, described modified acrylic resin emulsion is prepared according to following technique: by deionized water, sodium bicarbonate, lauryl mercaptan, alkyl sodium sulfonate adds in reactor and stirs, be warming up to 70-90 DEG C, dropping comprises methacrylic acid, Isooctyl methacrylate, hydroxyethyl methylacrylate, the pre-emulsification solution that trifluoroethyl methacrylate and ammonium persulphate are formed, dropping is completed in 1-3h, insulation reaction 1-3h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 30-40wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion.
4. multifunctional inner wall coating material according to claim 3, it is characterized in that, described modified manometer silicon dioxide is silane coupler modified nano silicon, the preparation technology of described silane coupler modified nano silicon is as follows: in the mixing solutions of the isopropyl alcohol and water of volume ratio 6-8:1, add with nano silicon be benchmark 5-10wt% silane coupling agent after stir, add nano silicon again to stir, dry at 60-80 DEG C to its solvent be 40-60wt%, at 120-140 DEG C, be dried to solvent is again 0-3wt%, grinding, obtain described modified manometer silicon dioxide, preferably, described silane coupling agent is made up of the Silane coupling reagent KH-570 of quality proportioning 3-4:1 and silane coupling A-137.
5. the multifunctional inner wall coating material according to claim 3 or 4, it is characterized in that, described modified acrylic resin emulsion is prepared according to following technique: by weight by deionized water 160-180 part, sodium bicarbonate 0.3-0.5 part, lauryl mercaptan 0.5-1 part, alkyl sodium sulfonate 1-2 part adds in reactor and stirs, be warming up to 80-90 DEG C, dropping comprises methacrylic acid 5-10 part, Isooctyl methacrylate 20-30 part, hydroxyethyl methylacrylate 20-30 part, the pre-emulsification solution that trifluoroethyl methacrylate 8-15 part and ammonium persulphate 0.4-0.6 part are formed, dropping is completed in 1-2h, insulation reaction 2-3h, be cooled to less than 40 DEG C, add ammoniacal liquor adjust ph to 7-8, filter discharging, obtain the emulsion that solid content is 30-40wt%, add modified manometer silicon dioxide again to stir, obtain described modified acrylic resin emulsion.
6. the multifunctional inner wall coating material according to any one of claim 1-5, it is characterized in that, described water-absorbent composite material is prepared according to following technique: be that wilkinite 30-45 part, sodium alginate 4-8 part of 10-20um adds water and stirs by weight by particle diameter, add treated starch cakingagent 2-5 part again, insulated and stirred 0.5-1h at 30-40 DEG C, filter, dry, obtain described water-absorbent composite material.
7. multifunctional inner wall coating material according to claim 6, it is characterized in that, the preparation technology of described treated starch cakingagent is as follows: added by tapioca (flour) in the aqueous ethanolic solution of 80-90wt%, caustic soda is added under stirring, quaternization 20-30min at 30-40 DEG C, then add boric acid, stirring reaction 30-50min at 50-120 DEG C, obtain described treated starch cakingagent, wherein the weight proportion of tapioca (flour), caustic soda, boric acid is 1:0.1-0.3:0.03-0.05.
8. the multifunctional inner wall coating material according to any one of claim 1-7, it is characterized in that, described negative ion-antimicrobial additive is made up of negative ion powder 8-15 part, titanium valve 0.2-2 part, Tourmaline powder 3-6 part, oxide powder and zinc 1-3 part, silver-series antibacterial agent 0.01-1.0 part, gelatin 4-10 part, water 10-20 part by weight; Preferably, described negative ion powder is made up of the rare earth element powder of weight proportion 2-3:1 and tourmaline powder.
9. the multifunctional inner wall coating material according to any one of claim 1-8, it is characterized in that, described mould inhibitor is one or more in nitrogenous organic heterocyclic molecule, termil, CMIT, Kathon.
10. the preparation technology of the multifunctional inner wall coating material according to any one of claim 1-9, it is characterized in that, comprise: by defoamer TSP-01, after deionized water mixing, 3-5min is disperseed under 300-400r/min rotating speed, add stain resistant agent JZW-1, flow agent L-150, mould inhibitor, ethylene glycol and multifunctional assistant AMP-95, 2-4min is disperseed under 600-800r/min rotating speed, add light calcium carbonate again, diatomite, zinc sulfide white, superfine talcum powder, water-absorbent composite material, negative ion-antimicrobial additive, Sodium hexametaphosphate 99, dispersion agent SN-5040, wetting agent AP-680, 35-40min is disperseed under 1800-2200r/min speed, add modified acrylic resin emulsion again, pure-acrylic emulsion, alcohol ester 12, propylene glycol monomethyl ether and Natvosol, under 800-1000r/min speed, disperse 15-20min even to mixing liquid.
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