CN103664088A - Self-adsorption interior-wall-decoration environment-friendly composite coating material as well as preparation method and application thereof - Google Patents
Self-adsorption interior-wall-decoration environment-friendly composite coating material as well as preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a self-adsorption interior-wall-decoration environment-friendly composite coating material as well as a preparation method and an application thereof. The coating material is a multiple-layer coating material and consists of a bottom-layer coating material and a surface-layer coating material, wherein the bottom-layer coating material consists of a cementing material, a mineral material, a basic material and necessary auxiliary materials which react with one another so as to form an interlaced network structure; the surface-layer coating material consists of a resin material, a mineral material, an inorganic material and an additive which react with one another so as to form a loose network structure full of tiny holes. According to detection, the composite coating material, which is a novel self-adsorption interior-wall-decoration environment-friendly composite coating material for environment-friendly building interiors, is efficient, long-acting and environment-friendly and integrates functions of purification, permeation, diffusion and the like.
Description
Technical field
The invention belongs to the environment-friendly function material in building material field, particularly relate to a kind of building decorative novel, environmental protection and fit up composite coating material and preparation method thereof, this coating is except having the decorations basic function of building coating, the function that also have the indoor chemical pollutant of efficient removal, purifies air, makes micro-molecular gas efficiently to see through.
Background technology
People's all one's life, approximately more than 85% time was spent in indoor environment, and therefore, IAQ (indoor air quality) and HUMAN HEALTH and life comfort level are closely bound up, and in environment, the existence of pollutent is directly endangering health, life-span and the safety of human body.Formaldehyde is the primary pollutant of indoor environment always, and as far back as nineteen ninety-five, formaldehyde is defined as carcinogens by international cancer research institution (IARC).According to statistics, the exceeding standard rate of China's indoor formaldehyde, between 60%-95%, is generally outdoor 5-8 times, and in some environment, indoor formaldehyde concentration is outdoor 160 times unexpectedly.China can reach 11.1 ten thousand because of the death toll that exceeds the quata that room air pollution causes every year, and the outpatient service number that exceeds the quata is 220,000 person-times, and the emergency treatment number that exceeds the quata is 4,300,000 person-times, and serious indoor environmental pollution has caused huge personnel and financial loss.Therefore, strictly control the concentration level of indoor formaldehyde most important to life security and property safety.
Formaldehyde in indoor environment mainly comes from the architectural decorative and fitting materials that architecture indoor is used, and the cycle that formaldehyde discharges is very long, conventionally can reach many decades, and the raising along with building stopping property, has further aggravated its harm to HUMAN HEALTH.In the face of the indoor chemical pollutant of serious harm HUMAN HEALTH, people start to develop various building material product, spray and the electric equipment products that can purify air and administer indoor chemical pollution, as air purifying paint, purifying air putty, air purifier etc.Although these products have been used the course of nearly ten years, the pollutent (as formaldehyde, toluene etc.) of indoor concentration under being in not still exists, and the life-span of scavenging material and purification efficiency all need further raising.For the real serious present situation that solves room air pollution, must the efficient indoor air purification product of development of new.
In (refer to that material has good diffustivity and perviousness to pollutent, pollutent can be adsorbed by material surface and the degrade) field of certainly dissolving, yet there are no research and Product Development that scholar is engaged in this respect.And aspect the exploitation of purifying contaminated produce product, all carrying out photocatalyst material, (effect at light that refers to issues raw photochemically reactive material to numerous scholars, as TiO always
2, ZnO, CdS etc.) research, exploitation and preparation work, and adsorption type active material (refer to generally there is large specific surface, suitable pore structure and surface tissue, can effectively from gas or liquid, adsorb the material of some composition, as gac, diatomite, sepiolite etc.) in the application work in indoor air purification field.But, because photocatalyst material is lower at the photocatalysis efficiency in visible ray field, and the life-span of photocatalyst material and efficiency lower, can not meet purification and the improvement demand of the serious chemical pollutant of architecture indoor.Adsorption type active material belongs to passive scavenging material, only relies on adsorption to administer pollutent, and the one, there is absorption saturation problem, the 2nd, the pollutent of absorption also can discharge under certain condition, therefore also fails really to solve indoor chemical pollution problem.In addition, aspect the perviousness (effect that micro-molecular gas is efficiently seen through) of micro-molecular gas (as formaldehyde, toluene etc.) and the preparation technology of complex layer coating (being formed by two-layer or two-layer above coating material), also do not carry out relevant research work at present.
Summary of the invention
An object of the present invention is to provide the inner wall decoration finishing environmental protection composite coating material (abbreviation coating) of certainly dissolving of the thering is purification, see through of a kind of novel, efficient, long-acting, environmental protection, diffusion function.
Provided by the present invention is a kind of complex layer coating from the inner wall decoration finishing environmental protection composite coating material of dissolving, by bottom and two dope layers of surface layer, formed, on interior wall, first bottom back layer is used in combination, the thickness 1-5mm of bottom coating material, surface layer coating material thickness 60-300 μ m.
In the bottom coating material of every 100 weight parts, comprise following main ingredient:
Gelling material 2-70 weight part,
Mineral material 5-60 weight part,
Basic material 2-40 weight part.
Described gelling material is one or both assembly materials in the materials such as lime, gypsum, cement, rubber powder, is preferably gypsum, cement, rubber powder, and the portfolio ratio while being used in combination is restriction not.
Described mineral material is the assembly material that phosphatic rock, pyrolusite, tourmalinite, serpentine, vermiculite, polygorskite, montmorillonite etc. have in the mineral material of pore passage structure two or more, be preferably phosphatic rock, tourmalinite, the portfolio ratio while being used in combination is restriction not.Mineral material before use, first carries out pre-treatment, and pretreatment process has acid treatment, thermal treatment.
Described basic material is one or both assembly materials in the Alkaline minerals materials such as rhombspar, grey calcium, periclasite, brucite, is preferably grey calcium and/or brucite, not restriction of portfolio ratio while being used in combination.
In described bottom coating material, also can add subsidiary material, subsidiary material are one or more the combination in Mierocrystalline cellulose (effect is thickening, water conservation), wood fibre (effect is toughness reinforcing), retardant (effect is to regulate the material solidification time) etc., be preferably Mierocrystalline cellulose and/or wood fibre, not restriction of ratio while being used in combination.Subsidiary material can effectively improve Integrated using performance and the life-span of primer.In the bottom coating material of every 100 weight parts, subsidiary material consumption is 0.05-5 weight part.
Specifically, be added with and in every 100 weight part bottom coating materials of subsidiary material, comprise following component: gelling material 2-70 weight part, mineral material 5-60 weight part, basic material 2-40 weight part, subsidiary material 0.05-5 weight part, water, complements to 100 weight parts.
In the surface layer coating material of every 100 weight parts, comprise following main ingredient:
Resin material 10-40 weight part,
Mineral material 2-40 weight part.
Described resin material is pure-acrylic emulsion, acrylate and vinyl acetate emulsion, benzene emulsion, acrylic ester emulsion or VAE(vinyl acetate-ethylene copolymerization emulsions) etc. a kind of in water-based emulsion, be preferably acrylate and vinyl acetate emulsion or benzene emulsion.
Described mineral material is the assembly material that phosphatic rock, pyrolusite, tourmalinite, serpentine, vermiculite, polygorskite, montmorillonite etc. have in the mineral material of pore passage structure two or more, be preferably phosphatic rock, montmorillonite, tourmalinite, the portfolio ratio while being used in combination is restriction not.Mineral material before use, first carries out pre-treatment, and pretreatment process has acid treatment, thermal treatment.
In described surface layer coating material, also can add inorganic materials, inorganic materials is one or more the combination in titanium dioxide, sericite, dicalcium powder, fine particle calcium carbonate, zinc sulfide white, grey calcium powder, calcined kaolin, barite, talcum powder, be preferably titanium dioxide and/or dicalcium powder, the portfolio ratio while being used in combination is restriction not.
In described surface layer coating material, also can add auxiliary agent, the combination of one or more in the optional defoamer of auxiliary agent, dispersion agent, wetting agent, antifreezing agent, sanitas, pH adjusting agent, flow agent, thickening material etc.
Specifically, in every 100 weight part surface layer coating materials, comprise following component: resin material 10-40 weight part, mineral material 2-40 weight part, inorganic materials 30-70 weight part, auxiliary agent 0.08-1 weight part, water, complements to 100 weight parts.
Another object of the present invention is to provide a kind of above-mentioned method from the inner wall decoration finishing environmental protection composite coating material of dissolving of preparing.
Preparation method provided by the present invention, can comprise the following steps:
1) mineral material pre-treatment: according to material character feature, activate mineral material pore passage structure by acid treatment or heat treated mode, remove impurity.Acid treatment for by water and mineral material in mass ratio 0.5-5:1 mix, then add the vitriol oil or concentrated hydrochloric acid by acid with the mass ratio 0.5-5:1 of mineral material, abundant mix and blend 10min-6h, by mineral material filter, washing, dry; Thermal treatment is for to be heated to 200 ℃-1000 ℃ by mineral material, cooling after insulation 10min-6h;
2) preparation bottom coating material: take water by formula ratio, gelling material, pretreated mineral material, basic material and subsidiary material are evenly spread in water and mixed, obtain bottom coating material;
3) preparation surface layer coating material: take water by formula ratio, add part of auxiliary (pH adjusting agent, wetting agent, dispersion agent, antifreezing agent, sanitas and defoamer), pretreated mineral material, inorganic materials are evenly spread in water, then add resin material to continue to be uniformly dispersed, add part of auxiliary (flow agent, defoamer and thickening material), obtain surface layer coating material;
Bottom coating material and surface layer coating material are preserved respectively, and first bottom back layer applies and is used in combination.
The present invention from the using method of the inner wall decoration finishing composite environmental-friendly coating material of dissolving is: on interior wall, first bottom back layer is used in combination, during construction, first adopt the technique of blade coating or spraying to apply bottom coating material, the thickness of bottom coating material is conventionally at 1-5mm, then adopt the technique of brushing, roller coating or spraying to apply surface layer coating material, the thickness of surface layer coating material is conventionally at 60-300 μ m.
The invention provides a kind of efficient, long-acting, environmental protection integrate purification (purification refer to the pollutents such as PARA FORMALDEHYDE PRILLS(91,95), toluene have good dissolve, Degradation), the novel environment friendly architecture indoor that sees through the functions such as (seeing through the performance that refers to absorption and see through organic pollutant), diffusion (diffusion refers to and utilizes the network structure of coating material self to make the gas molecule can be fully in each interlayer migration) is with fitting up composite environmental-friendly coating material from the inner wall decoration of dissolving.The present invention is used in combination formation function ingredients by gelling material, mineral material, basic material, select the overall network structure of excellent adhesives-resin material designing material, the comprehensive advantage of performance material and structure design, these materials synergies are given full play to and excellent are certainly dissolved, decontamination effect improving.
The present invention has following characteristics:
1, the inner wall decoration coating material of certainly dissolving is a kind of buildings internal surface of coating, and can meet the functional product of various inner wall of building finishing decoration requirements.Of the present invention is multiple layer coating material from the inner wall decoration finishing composite environmental-friendly coating material of dissolving, by bottom coating material and surface layer coating material two portions, formed, bottom coating material is comprised of gelling material, mineral material, basic material and necessary subsidiary material, these materials react to each other and form interleaving network structure, surface layer coating material is comprised of resin material, mineral material, inorganic materials and auxiliary agent, and these materials react to each other and form the loose network structure that is full of small duct.After multiple layer coating material is dry, surface layer coating material has excellent absorption and sees through the performance of organic pollutant, bottom coating material utilizes the network structure of self that gas molecule can fully be moved at each interlayer, utilize self-defect and the organic molecule of mineral to react with basic material, mineral material energy point under field conditions (factors) simultaneously, and then organic pollutant is dissolved, is degraded to the small molecules of nontoxic pollution-free, further, by the reticulated structure of surface layer, move to environment space.The thickness of bottom coating material is conventionally at 1-5mm, and this thickness has determined that it has the ability of very high mineral material content and the powerful organic molecule of dissolving, and has guaranteed that multiple layer coating material has the ability of the indoor chemical pollutant of efficient and long-acting removal.The thickness of surface layer coating material is conventionally at 60-300 μ m, in conjunction with the polar adsorption of surface layer coating material and the reticulated structure of formation, can make it have good absorption and the ability of seeing through, can make nano level water vapour molecule, organic gas molecule, inorganic gas molecule freely pass through, guarantee respiratory and the perviousness of multiple layer coating material.
2, of the present invention from the inner wall decoration finishing composite environmental-friendly coating material of dissolving, every layer of coating material is according to its mechanism of action, select organic materials and inorganic materials targetedly, by coupling, react and form the network structure interweave, guarantee micromolecular free, pass through smoothly.Simultaneously, utilize thickness and the mass property of bottom coating material, give full play to its function of certainly dissolving to organic pollutant molecule, improved so greatly coating material to the purification of organic pollutant and removal efficiency, the more important thing is the structural performance of utilizing material self, realized long-lastingly, and can not produce secondary pollution.Surface layer coating material not only has perfect decorative effect, designs by the Nomenclature Composition and Structure of Complexes simultaneously, has realized micromolecularly freely passing through the existence of surface adsorption polar material, certainly dissolving and providing the foundation for organic molecule.By the design of plied timber, performance synergy, makes multiple layer coating material can play decoration functions and has again excellence, long-acting purification function, has good respiratory Function simultaneously, also the tool body of wall condensation performance that has some improvement.
3, the inner wall decoration finishing composite environmental-friendly coating material of certainly dissolving of the present invention, except having the function of decorative material for wall surface, also has the functions such as purification, high transmission, high diffusion, antisweat, mildew-resistant, is a kind of pollution-free, environmentally friendly machine.After testing, the 24 hours purifying formaldehyde rates of inner wall decoration finishing environmental protection composite coating material of certainly dissolving of the present invention reach more than 85%, purify persistence and reach more than 75%, and within 24 hours, toluene purification rate reaches more than 70%, purifies persistence and reaches more than 60%; The dusty gas molecule 5h such as PARA FORMALDEHYDE PRILLS(91,95) see through completely; There is the interior antisweat performance without dewfall of 2h; But the rate of killing to aspergillus niger, terreus, paecilomyces varioti, fly shape mould, Aureobasidium pullulans, six kinds of comprehensive moulds of ball hair shell reaches 0 grade, but streptococcus aureus and the colibacillary rate of killing is all reached more than 98% simultaneously.
Below in conjunction with specific embodiment, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is seeing through and diffusion performance testing device schematic diagram of coating material
Embodiment
Provided by the present invention is a kind of complex layer coating from the inner wall decoration finishing environmental protection composite coating material of dissolving, by bottom and two dope layers of surface layer, formed, on interior wall, first bottom back layer is used in combination, the thickness 1-5mm of bottom coating material, surface layer coating material thickness 60-300 μ m.Wherein:
One, bottom coating material
In the present invention, in the bottom coating material of every 100 weight parts, comprise following main ingredient:
Gelling material 2-70 weight part,
Mineral material 5-60 weight part,
Basic material 2-40 weight part.
Described gelling material is one or both assembly materials in the materials such as lime, gypsum, cement, rubber powder, is preferably gypsum, cement, rubber powder, and the portfolio ratio while being used in combination is restriction not.Together with after these materials mix with other material in system, through series of physical, chemical action, become hard solid, and loose material can be cemented to integral body.After congealing reaction, not only to system, provide necessary intensity, form a large amount of holes simultaneously, porosity is more than 60%.Gelling material accounts for the 2%-70% of bottom coating material gross weight.
Described mineral material is the assembly material that phosphatic rock, pyrolusite, tourmalinite, serpentine, vermiculite, polygorskite, montmorillonite etc. have in the mineral material of pore passage structure two or more, be preferably phosphatic rock, tourmalinite, the portfolio ratio while being used in combination is restriction not.Mineral material before use, first carries out pre-treatment, and pretreatment process has acid treatment, thermal treatment.Mineral material can fully activate the inside pore passage structure of mineral after pretreatment, defect point and the surface energy point of outstanding mineral material.Being used in combination of these materials, fully makes organic molecule be coated with interlayer migration, simultaneously in transition process, dissolves, degradable organic pollutant.Mineral material accounts for the 5%-60% that bottom applies coating gross weight.
Described basic material is one or both assembly materials in the Alkaline minerals materials such as rhombspar, grey calcium, periclasite, brucite, is preferably grey calcium and/or brucite, not restriction of portfolio ratio while being used in combination.Under alkaline condition, can further accelerate dissolving and degradation property to gas chromatography molecule.Basic material accounts for the 2%-40% of bottom coating material gross weight.
In described bottom coating material, also can add subsidiary material, subsidiary material are one or more the combination in Mierocrystalline cellulose (effect is thickening, water conservation), wood fibre (effect is toughness reinforcing), retardant (effect is to regulate the material solidification time) etc., be preferably Mierocrystalline cellulose and/or wood fibre, not restriction of ratio while being used in combination.Subsidiary material can effectively improve Integrated using performance and the life-span of primer.In the bottom coating material of every 100 weight parts, subsidiary material consumption is 0.05-5 weight part.
Specifically, be added with and in every 100 weight part bottom coating materials of subsidiary material, comprise following component:
Two, surface layer coating material
In the present invention, in the surface layer coating material of every 100 weight parts, comprise following main ingredient:
Resin material 10-40 weight part,
Mineral material 2-40 weight part.
Described resin material is pure-acrylic emulsion, acrylate and vinyl acetate emulsion, benzene emulsion, acrylic ester emulsion or VAE(vinyl acetate-ethylene copolymerization emulsions) etc. a kind of in water-based emulsion, be preferably acrylate and vinyl acetate emulsion or benzene emulsion.Emulsion is the main film forming substance of coating, forms the microvoid structure with a large amount of connections after drying and forming-film, guarantees freely passing through of gas molecule.Resin material accounts for the 10%-40% of surface layer coating material gross weight.
Described mineral material is the assembly material that phosphatic rock, pyrolusite, tourmalinite, serpentine, vermiculite, polygorskite, montmorillonite etc. have in the mineral material of pore passage structure two or more, be preferably phosphatic rock, montmorillonite, tourmalinite, the portfolio ratio while being used in combination is restriction not.Mineral material before use, first carries out pre-treatment, and pretreatment process has acid treatment, thermal treatment.Mineral material can fully activate the inside pore passage structure of mineral after pretreatment, defect point and the surface energy point of outstanding mineral material.Being used in combination of these materials, fully makes organic molecule be coated with interlayer migration, simultaneously in transition process, dissolves, degradable organic pollutant.Mineral material accounts for the 2%-40% of surface layer coating material gross weight.
In described surface layer coating material, also can add inorganic materials, inorganic materials is one or more the combination in titanium dioxide, sericite, dicalcium powder, fine particle calcium carbonate, zinc sulfide white, grey calcium powder, calcined kaolin, barite, talcum powder, be preferably titanium dioxide and/or dicalcium powder, the portfolio ratio while being used in combination is restriction not.The major function of inorganic materials is the intensity that strengthens coating, makes it have good washable wiping performance and application property.A large amount of inorganic materials that adopt make coating have environmental-protecting performance.In every 100 weight part surface layer coating materials, inorganic materials consumption is 30-70 weight part.
In described surface layer coating material, also can add auxiliary agent, (effect is the bubble of eliminating in coating production and construction process to the optional defoamer of auxiliary agent, as NXZ, 8034, 4481), dispersion agent (effect is to promote the powders such as color stuffing to be dispersed in system, and in steady state as DP-270, B03), wetting agent (effect is to assist the powders such as color stuffing disperse in coating and assist coating anti-settling agent follow-up anti-settling, as X-100), (effect is to reduce freezing point to antifreezing agent, improve the material of coating freezing tolerance, as propylene glycol, ethylene glycol), (effect is to suppress coating to cause rotten microorganism to sanitas, prevents that coating breakdown of emulsion is rotten, as HF, N-96), pH adjusting agent (effect is the pH value of adjusting coating system, thereby improves the stability of system, as AMP-95), flow agent (effect be make coating in drying and forming-film process, form one smooth, smooth, film uniformly, as L150), (effect is to change coating mobility to thickening material, increases dope viscosity, as Mierocrystalline cellulose, TT935, RM-8W, the combination of one or more H400) etc.The Main Function of auxiliary agent is state and the performance of adjusting coating.In every 100 weight part surface layer coating materials, auxiliary dosage is 0.08-1 weight part.
Specifically, be added with and in every 100 weight part surface layer coating materials of inorganic materials and auxiliary agent, comprise following component:
Three, the preparation of composite coating material and application
The present invention also provides a kind of above-mentioned method from the inner wall decoration finishing environmental protection composite coating material of dissolving of preparing.
Preparation method provided by the present invention, can comprise the following steps:
1) mineral material pre-treatment: according to material character feature, activate mineral material pore passage structure by acid treatment or heat treated mode, remove impurity:
Acid treatment method: take a certain amount of water and mineral material (water: the mass ratio of mineral material is 0.5-5:1), stir, add a certain amount of vitriol oil or concentrated hydrochloric acid (acid: the mass ratio of mineral material is 0.5-5:1), fully after mix and blend reaction certain hour (10min-6h), mineral material is filtered, washs, is dried.
Heat treating method: mineral material is heated to appropriate temperature (200 ℃-1000 ℃), and keeps certain hour (10min-6h) rear cooling in this temperature.
2) preparation bottom coating material: take a certain amount of water by formula, gelling material, pretreated mineral material, basic material and subsidiary material are evenly spread in water and mixed, obtain bottom coating material;
3) preparation surface layer coating material: take a certain amount of water by formula, add part of auxiliary (pH adjusting agent, wetting agent, dispersion agent, antifreezing agent, sanitas and defoamer), pretreated mineral material, inorganic materials are evenly spread in water, then add resin material to continue to be uniformly dispersed, add part of auxiliary (flow agent, defoamer and thickening material), obtain surface layer coating material;
Bottom coating material and surface layer coating material are preserved respectively, and first bottom back layer applies and is used in combination.
The present invention from the using method of the inner wall decoration finishing composite environmental-friendly coating material of dissolving is: on interior wall, first bottom back layer is used in combination, during construction, first adopt the technique of blade coating or spraying to apply bottom coating material, the thickness of bottom coating material is conventionally at 1-5mm, then adopt the technique of brushing, roller coating or spraying to apply surface layer coating material, the thickness of surface layer coating material is conventionally at 60-300 μ m.
The invention provides a kind of efficient, long-acting, environmental protection integrate purification (purification refer to the pollutents such as PARA FORMALDEHYDE PRILLS(91,95), toluene have good dissolve, Degradation), the novel environment friendly architecture indoor that sees through the functions such as (seeing through the performance that refers to absorption and see through organic pollutant), diffusion (diffusion refers to and utilizes the network structure of coating material self to make the gas molecule can be fully in each interlayer migration) is with fitting up composite environmental-friendly coating material from the inner wall decoration of dissolving.The present invention is used in combination formation function ingredients by gelling material, mineral material, basic material, select the overall network structure of excellent adhesives-resin material designing material, the comprehensive advantage of performance material and structure design, these materials synergies are given full play to and excellent are certainly dissolved, decontamination effect improving.
Described percentage concentration is mass percent concentration if no special instructions.
In following embodiment, raw materials is and is purchased.
Embodiment implements take technical solution of the present invention under prerequisite, has provided detailed embodiment and concrete operating process, and embodiment will contribute to understand the present invention, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1-5, preparation are from the inner wall decoration finishing composite environmental-friendly coating material of dissolving
Embodiment of the present invention 1-5 is as shown in table 1 from the composition of raw materials of dissolve inner wall decoration finishing composite environmental-friendly coating material and comparative example:
The composition of raw materials of table 1 embodiment 1-5 and comparative example (unit: part)
Embodiment of the present invention 1-5 from the preparation of dissolve inner wall decoration finishing composite environmental-friendly coating material and comparative example by abovementioned steps 1)-step 3) carries out.
The bottom coating material and the surface layer coating material that make are preserved respectively, and first bottom back layer applies and is used in combination.
The performance that test example 1, detection embodiment 1-5 fit up composite environmental-friendly coating material and comparative example from the inner wall decoration of dissolving
The present invention from the using method of the inner wall decoration finishing composite environmental-friendly coating material of dissolving is: on interior wall, first bottom back layer is used in combination, during construction, first adopt the technique of blade coating or spraying to apply bottom coating material, the thickness of bottom coating material is conventionally at 1-5mm, then adopt the technique of brushing, roller coating or spraying to apply surface layer coating material, the thickness of surface layer coating material is conventionally at 60-300 μ m.
Embodiment 1-5 is carried out to Performance Detection from dissolve inner wall decoration finishing composite environmental-friendly coating material, comparative example and current material, and testing method is as follows:
1, purifying property: according to < < function of purifying indoor air coating material purifying property > > (JC/T1074-2008) standard, 24 hours purification rates of test material and purify the life-span.
2, see through and diffusion: take a certain amount of material sample, according to using method of the present invention and appendix 1, require preparation test sample.Test sample is positioned over to the mid-way in the airtight glass storehouse of 140cm*70cm*70cm, according to gas molecule through performances in time such as the method in appendix 1 and its PARA FORMALDEHYDE PRILLS(91,95) of device to test and benzene.
3, antisweat performance: according to the testing apparatus of the Antifogging > > standard regulation of < < coating and testing method test sample.
4, fungicidal properties: according to HG/T3950-2007, adopt method for adhering film to detect composite coating material fungicidal properties of the present invention.
Test result is as shown in table 2.
Table 2 embodiment 1-5 is from the performance of dissolve inner wall decoration finishing composite environmental-friendly coating material and comparative example
Table 2 data show, 24 hours purifying formaldehyde rates of embodiment of the present invention coating material reach more than 85%, and the implication that purifying formaldehyde persistence reaches 75%(percentage ratio is: (initial concentration of formaldehyde-formaldehyde ultimate density)/initial concentration of formaldehyde * 100%); Within 24 hours, toluene purification rate reaches more than 70%, the implication that toluene purification persistence reaches 60%(percentage ratio is: (toluene starting point concentration-toluene ultimate density)/toluene starting point concentration * 100%), show that the inner wall decoration finishing composite environmental-friendly coating material of certainly dissolving of the present invention has excellent purification function and long-acting purification life-span, can effectively improve human settlement's Organic pollutants; The contaminant gases molecules such as PARA FORMALDEHYDE PRILLS(91,95) reach and see through completely in 5h, and perviousness and the diffustivity from the inner wall decoration finishing composite environmental-friendly coating material of dissolving with highly significant, excellence of the present invention is described; In 2h, do not form dewfall, illustrate that the inner wall decoration finishing composite environmental-friendly coating material of certainly dissolving of the present invention has superior antisweat performance, can effectively improve building condensation trouble, improve architectural environment comfort level, improve architectural environment comfort level, improve the materials'use life-span; But the rate of killing of aspergillus niger, terreus, paecilomyces varioti, fly shape mould, Aureobasidium pullulans, six kinds of comprehensive moulds of ball hair shell is reached to 0 grade, and (implication of 0 grade is mildew not, the lower observation of microscope (amplifying 50 times) has no growth), but streptococcus aureus and the colibacillary rate of killing are all reached more than 98% simultaneously, illustrate that this coating has good antibacterial and antimildew function.
Current material 1 possesses mildew-resistant and anti-dewing function, but does not have purifying property and perviousness, and test result shows that the performance of material of the present invention is better than current material 1.Current material 2 has purifying property, does not have mildew-resistant, antisweat and perviousness, and test result shows that the performance of material of the present invention is better than current material 2.Comparative example is common interior wall coating, and test result shows that the performance of material of the present invention is better than comparative example.
Appendix 1, see through and diffusion testing method
1. test conditions
Testing circumstance is: temperature (20 ± 2) ℃, relative humidity (50 ± 10) %.
2. testing apparatus
The airtight glass storehouse of 140cm*70cm*70cm, it is middle that in order to leave the glass partition of square hole, square hole size is 48cm * 48cm, structural representation is as shown in Figure 1.
3. the preparation of test piece
By using method of the present invention, by coating material brushing, on filter paper, the size of sample is at least the square hole area that its area of 50cm * 50cm(can cover experiment storehouse central dividing plate completely).
4. testing sequence
The filter paper sample preparing is affixed on to the central dividing plate position in airtight glass cabin, guarantees middle square hole to cover completely.By painting be brushed with sample one facing to cabin be called test chamber, another side be called diffusion cabin.
With microsyringe, get (3 ± 0.25) μ l analytical pure formaldehyde or analytical pure toluene solution, the injection orifice by test chamber splashes in cabin, airtight injection orifice.From thieff hatch, gather its concentration of gas test in cabin, every 1 hour, gather once, thieff hatch seals when not sampling always.
5. result is judged
The test analysis of 5.1 concentration of formaldehyde is pressed GB/T16129 and is adopted AHMT spectrophotometry.
The test analysis of 5.2 toluene concentration is pressed GB/T18883-2002 Appendix B vapor-phase chromatography.
5.3 in diffusion cabin in the concentration of test gas and test chamber gas concentration poor≤3%, be considered as gas and see through completely.
Claims (10)
1. from the inner wall decoration finishing environmental protection composite coating material of dissolving, bottom and two dope layers of surface layer, consist of, on interior wall, first bottom back layer is used in combination, the thickness 1-5mm of bottom coating material, surface layer coating material thickness 60-300 μ m;
In the bottom coating material of every 100 weight parts, comprise following main ingredient:
Gelling material 2-70 weight part,
Mineral material 5-60 weight part,
Basic material 2-40 weight part;
In the surface layer coating material of every 100 weight parts, comprise following main ingredient:
Resin material 10-40 weight part,
Mineral material 2-40 weight part.
2. according to claim 1 from the inner wall decoration finishing environmental protection composite coating material of dissolving, it is characterized in that: described gelling material is one or both assembly materials in the materials such as lime, gypsum, cement, rubber powder, be preferably gypsum, cement, rubber powder, the portfolio ratio while being used in combination is restriction not.
3. according to claim 1 and 2 from the inner wall decoration finishing environmental protection composite coating material of dissolving, it is characterized in that: the mineral material described in bottom and surface layer is the assembly that phosphatic rock, pyrolusite, tourmalinite, serpentine, vermiculite, polygorskite, montmorillonite etc. have in the mineral material of pore passage structure two or more, be preferably in phosphatic rock, montmorillonite and tourmalinite two or more assembly; Mineral material first carries out pre-treatment before use, and pretreatment process has acid treatment, thermal treatment.
4. according to the inner wall decoration finishing environmental protection composite coating material of certainly dissolving described in claim 1 or 2 or 3, it is characterized in that: described basic material is one or both assembly in the Alkaline minerals materials such as rhombspar, grey calcium, periclasite, brucite, is preferably grey calcium and/or brucite.
5. according to the arbitrary described inner wall decoration finishing environmental protection composite coating material of certainly dissolving of claim 1-4, it is characterized in that: in described bottom coating material, also can add subsidiary material, subsidiary material are one or more the combination in Mierocrystalline cellulose, wood fibre, retardant, are preferably Mierocrystalline cellulose and/or wood fibre; In the bottom coating material of every 100 weight parts, subsidiary material consumption is 0.05-5 weight part.
6. according to the arbitrary described inner wall decoration finishing environmental protection composite coating material of certainly dissolving of claim 1 to 5, it is characterized in that: described resin material is pure-acrylic emulsion, acrylate and vinyl acetate emulsion, benzene emulsion, acrylic ester emulsion or VAE(vinyl acetate-ethylene copolymerization emulsions) etc. a kind of in water-based emulsion, be preferably acrylate and vinyl acetate emulsion or benzene emulsion.
7. according to the arbitrary described inner wall decoration finishing environmental protection composite coating material of certainly dissolving of claim 1-6, it is characterized in that: in described surface layer coating material, also can add inorganic materials, one or more combination in titanium dioxide, sericite, dicalcium powder, fine particle calcium carbonate, zinc sulfide white, grey calcium powder, calcined kaolin, barite, talcum powder, is preferably titanium dioxide and/or dicalcium powder; In every 100 weight part surface layer coating materials, inorganic materials consumption is 30-70 weight part.
8. according to the arbitrary described inner wall decoration finishing environmental protection composite coating material of certainly dissolving of claim 1 to 7, it is characterized in that: in described surface layer coating material, also can add auxiliary agent, the combination of one or more in the optional self-defoaming agent of auxiliary agent (as NXZ, 8034,4481), dispersion agent (as DP-270, B03), wetting agent (as X-100), freeze-thaw-agent (as propylene glycol, ethylene glycol), sanitas (as HF, N-96), pH adjusting agent (as AMP-95), flow agent (as L150), thickening material (as Mierocrystalline cellulose, TT935, RM-8W, H400) etc.; In every 100 weight part surface layer coating materials, auxiliary dosage is 0.08-1 weight part.
9. prepare the arbitrary described method from the inner wall decoration finishing environmental protection composite coating material of dissolving of claim 1-8, comprise the following steps:
1) mineral material pre-treatment: according to material character feature, activate mineral material pore passage structure by acid treatment or heat treated mode, remove impurity; Acid treatment for by water and mineral material in mass ratio 0.5-5:1 mix, then add the vitriol oil or concentrated hydrochloric acid by acid with the mass ratio 0.5-5:1 of mineral material, abundant mix and blend 10min-6h, by mineral material filter, washing, dry; Thermal treatment is for to be heated to 200 ℃-1000 ℃ by mineral material, cooling after insulation 10min-6h;
2) preparation bottom coating material: take water by formula ratio, gelling material, pretreated mineral material, basic material and subsidiary material are evenly spread in water and mixed, obtain bottom coating material;
3) preparation surface layer coating material: take water by formula ratio, add part of auxiliary (pH adjusting agent, wetting agent, dispersion agent, antifreezing agent, sanitas and defoamer), pretreated mineral material, inorganic materials are evenly spread in water, then add resin material to continue to be uniformly dispersed, add part of auxiliary (flow agent, defoamer and thickening material), obtain surface layer coating material;
Bottom coating material and surface layer coating material are preserved respectively, and first bottom back layer applies and is used in combination.
10. claim 1-8 is arbitrary described from the application of inner wall decoration finishing environmental protection composite coating material at inner wall of building of dissolving, it is characterized in that: on interior wall, first bottom back layer is used in combination, during construction, first adopt the technique of blade coating or spraying to apply bottom coating material, the thickness of bottom coating material is conventionally at 1-5mm, then adopt the technique of brushing, roller coating or spraying to apply surface layer coating material, the thickness of surface layer coating material is conventionally at 60-300 μ m.
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