CN104017394A - Dry powder latex paint capable of effectively decomposing formaldehyde - Google Patents
Dry powder latex paint capable of effectively decomposing formaldehyde Download PDFInfo
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Abstract
The invention discloses a dry powder latex paint capable of effectively decomposing formaldehyde. The dry powder latex paint comprises the following components in parts by weight: 1-26 parts of nano-zinc oxide, 1-30 parts of silicon dioxide and zinc oxide composite materials, 20-70 parts of calcium carbonate powder, 0-40 parts of ash-calcium-powder, 0-20 parts of white cement, 3-10 parts of talcum powder, 2-10 parts of light calcium carbonate, 0-30 parts of kaolin, 0-25 parts of titanium dioxide, 0.5-50 parts of organic polymer and 0.1-1 part of cellulose. The components are mixed in the proportion and uniformly stirred to obtain the dry powder latex paint. The dry powder latex paint is high in storage stability, air permeability, moisture proofing, mildew proofing, acid-base resistance, binding strength and crack resistance; the dry powder latex paint can play a role in long-acting bacteriostat and has functions of decomposing the indoor formaldehyde and methylbenzene gas and eliminating air odor when being used as an indoor wall paint, and therefore, the dry powder latex paint is a non-toxic and flavourless safe and environment-friendly paint.
Description
Technical field
The invention belongs to dry powder emulsion paint technical field of coatings, be specifically related to a kind of dry powder emulsion paint coating of efficient decomposing formaldehyde.
Background technology
Formaldehyde is a kind of colourless obnoxious flavour, and Long Term Contact may cause nasal cavity, oral cavity, throat, skin and alimentary tract cancer.And the formaldehyde of premises is mainly derived from the finishing material such as all kinds of planks, furniture and paint.The harm of the finishing pollution such as formaldehyde, toluene objectionable impurities is progressively understood by people, and the cry that people limit toxic and harmfuls such as indoor formaldehyde, toluene is also more and more higher.Therefore, nontoxic, tasteless safe environment protection type coating becomes the direction of latex coating development.
Summary of the invention
The invention provides a kind of dry powder emulsion paint coating of efficient decomposing formaldehyde, this dry powder emulsion paint coating is as indoor wall emulsion paint coating, the effect that can play the obnoxious flavoures such as long acting antibiotic, decomposing formaldehyde and toluene, purifies the air of a room is a kind of nontoxic, tasteless safe environment protection type coating.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A dry powder emulsion paint coating for efficient decomposing formaldehyde, its preparation method comprises the following steps:
A, according to following parts by weight, prepare material
1 part～26 parts of nano zine oxides;
1 part～30 parts of silicon-dioxide and zinc oxide composites;
20 parts～70 parts of Paris whites;
0 part～40 parts of ash calcium powders;
0 part～20 parts of white cements;
3 parts～10 parts of talcum powder;
2 parts～10 parts of light calcium carbonates;
0 part～30 parts of kaolin;
0 part～25 parts of titanium dioxides;
0.5 part～50 parts of organic polymers;
0.1 part～1 part of Mierocrystalline cellulose;
Described organic polymer is dispersed latex powder or polyvinyl alcohol powder;
B, said components is mixed, obtain the dry powder emulsion paint coating of this efficient decomposing formaldehyde;
In technique scheme, technical scheme is more specifically: described Particle Size of Nanometer ZnO is 40nm～80nm; Described Paris white adopts 250 order～2500 orders; Described grey calcium powder adopts 300 order～1250 orders; Described talcum powder adopts 300 order～2500 orders; Described kaolin adopts 400 order～2500 orders; Described titanium oxide powder adopts 800 order～2500 orders;
The preparation method of described nano zine oxide is: to containing 0.1mol/LZn
2+salts solution in add the ammonia soln of 0.4mol/L urea soln or 25%～28%, mix then isothermal reaction 8 hours～12 hours at 70 ℃～95 ℃; After question response finishes, the product that described reaction is obtained filters, and collects filter residue I; Described filter residue I is first dried to 2 hours～10 hours at 75 ℃, then calcines 4 hours at 350 ℃～550 ℃, obtain nano zine oxide; Wherein, described salts solution is zinc nitrate solution, zinc acetate solution, a kind of in three kinds of solution of solution of zinc sulfate; The volume ratio of described salts solution and described urea soln is 1:0.5～1; The volume ratio of described salts solution and described ammoniacal liquor is 1:0.1～0.3;
Described silicon-dioxide and the preparation method of zinc oxide composite are: first containing 0.1mol/LZn
2+salts solution add the ammonia soln of 0.4mol/L urea soln or 25%～28%, mix then isothermal reaction 8 hours～12 hours at 70 ℃～95 ℃; After question response finishes, the product that described reaction is obtained filters, and collects filter residue I; Described filter residue I is first dried to 2 hours～10 hours at 75 ℃, then calcines 4 hours at 350 ℃～550 ℃, obtain nano zine oxide; Then the nano zine oxide obtaining being added to water, to be mixed with massfraction be 30% solution, and to add wherein concentration be the sodium silicate solution of 0.05mol/L, mix, regulate its pH value to 8.5, standing and reacting 3 hours, then in described sodium silicate solution, drip dehydrated alcohol, to reacting, no longer include Precipitation, the product that reaction is obtained filters, collect filter residue II, filter residue II is first dried to 8 hours at 95 ℃, then 350 ℃～550 ℃ calcinings 4 hours, obtains this silicon-dioxide and zinc oxide composite; Wherein, described salts solution is zinc nitrate solution, zinc acetate solution, a kind of in three kinds of solution of solution of zinc sulfate; The volume ratio of described salts solution and described urea soln is 1:0.5～1; The volume ratio of described salts solution and described ammoniacal liquor is 1:0.1～0.3; The volume ratio of the aqueous solution of described sodium silicate solution and described nano zine oxide is 1:0.2～0.5;
The preparation method of described silicon-dioxide and zinc oxide composite is: to containing 0.1mol/LZn
2+salts solution in slowly add porous silica, and then slowly add precipitation agent, regulate the pH value to 8.5 of mixing solutions, then isothermal reaction 8 hours～10 hours at 70 ℃～95 ℃, the product that described reaction is obtained filters, and collects filter residue, and described filter residue is dried to 8 hours at 95 ℃, then 350 ℃～550 times calcinings 4 hours, obtain this silicon-dioxide and zinc oxide composite; Wherein, described salts solution is zinc nitrate solution, zinc acetate solution, a kind of in three kinds of solution of solution of zinc sulfate; The volume ratio of described salts solution and described urea soln is 1:0.5～1; The volume ratio of described salts solution and described ammoniacal liquor is 1:0.1～0.3; The add-on of described porous silica is the porous silica adding in salts solution described in every 100mL described in 10g.
Owing to adopting technique scheme, the beneficial effect that the present invention obtains is:
(1) this product can long acting antibiotic, the obnoxious flavour such as decomposing formaldehyde and toluene, purify the air of a room: antibacterial effect reaches more than 98%; Daylight or light-illuminating are after 48 hours, and decomposing, purifying formaldehyde rate reaches more than 83%, and decomposing, purifying toluene rate reaches more than 49%; Meet the requirement of the building material industry standard JC/T 1074-2008 < < of People's Republic of China (PRC) function of purifying indoor air coating material purifying property > >.
(2) the resistance to storage of this product, scrapes, sprays, is coated with, brushes after wall, has the advantages such as safety and environmental protection, ventilative, protection against the tide, mildew-resistant, acid and alkali-resistance, cohesive strength extra-high-speed, splitting resistance excellence.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
embodiment 1
The present embodiment dry powder emulsion paint coating is comprised of the component of following weight part: nano zine oxide 100g, silicon-dioxide and zinc oxide composite 3000g, Paris white 2000g, grey calcium powder 4000g, talcum powder 300g, light calcium carbonate 200g, dispersed latex powder 300g, Mierocrystalline cellulose 100g;
First take in proportion said components, then by its mixing and stir and obtain this dry powder emulsion paint coating.
Wherein, the preparation method of nano zine oxide is: the urea soln to adding the 0.4mol/L of 100mL in the 0.1mol/L zinc nitrate solution of 200mL, mixes both, then isothermal reaction 12 hours at 70 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue is first dried to 2 hours at 75 ℃, then at 350 ℃, calcines 4 hours, obtain nano zine oxide;
The preparation method of silicon-dioxide and zinc oxide composite is: in the 0.1mol/L zinc nitrate solution of 200mL, slowly add 30g porous silica, and then slowly add the urea soln of the 0.4mol/L of 100mL, regulator solution pH is 8.5, at 70 ℃, constant temperature keeps 10 hours, filter, then the filter residue of gained is dried to 8 hours at 95 ℃, finally, 350 ℃ of calcinings 4 hours, obtains silicon-dioxide and zinc oxide composite.
embodiment 2
The present embodiment dry powder emulsion paint coating is comprised of the component of following weight part: nano zine oxide 1000g, silicon-dioxide and zinc oxide composite 1000g, Paris white 4500g, grey calcium powder 2000g, talcum powder 500g, light calcium carbonate 500g, dispersed latex powder 450g, Mierocrystalline cellulose 50g;
First take in proportion said components, then by its mixing and stir and obtain this dry powder emulsion paint coating.
Wherein, the preparation method of nano zine oxide is: 25% the ammonia soln to adding 20mL in the 0.1mol/L solution of zinc sulfate of 200mL, mixes both, then isothermal reaction 11 hours at 75 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue is first dried to 5 hours at 75 ℃, then at 450 ℃, calcines 4 hours, obtain nano zine oxide;
The preparation method of silicon-dioxide and zinc oxide composite is: in the 0.1mol/L solution of zinc sulfate of 200mL, slowly add 35g porous silica, and then slowly add 25% the ammonia soln of 20mL, regulator solution pH is 8.5, at 95 ℃, constant temperature keeps 8 hours, filter, then gained filter residue is dried to 8 hours at 95 ℃, finally, 450 ℃ of calcinings 4 hours, obtains silicon-dioxide and zinc oxide composite.
embodiment 3
The present embodiment dry powder emulsion paint coating is comprised of the component of following weight part: nano zine oxide 2600g, silicon-dioxide and zinc oxide composite 100g, Paris white 2000g, grey calcium powder 4000g, talcum powder 1000g, light calcium carbonate 200g, dispersed latex powder 50g, Mierocrystalline cellulose 50g;
First take in proportion said components, then by its mixing and stir and obtain this dry powder emulsion paint coating.
Wherein, the preparation method of nano zine oxide is: 28% the ammonia soln to adding 40mL in the 0.1mol/L zinc acetate solution of 200mL, mixes both, then isothermal reaction 10 hours at 85 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue is first dried to 10 hours at 75 ℃, then at 550 ℃, calcines 4 hours, obtain nano zine oxide;
The preparation method of silicon-dioxide and zinc oxide composite is: in the 0.1mol/L zinc acetate solution of 200mL, slowly add 40g porous silica, and then slowly add 28% the ammonia soln of 40mL, regulator solution pH is 8.5, at 95 ℃, constant temperature keeps 8 hours, filter, then gained filter residue is dried to 8 hours at 95 ℃, finally, 550 ℃ of calcinings 4 hours, obtains silicon-dioxide and zinc oxide composite.
embodiment 4
The present embodiment dry powder emulsion paint coating is comprised of the component of following weight part: nano zine oxide 1000g, silicon-dioxide and zinc oxide composite 1000g, Paris white 7000g, talcum powder 300g, light calcium carbonate 200g, dispersed latex powder 490g, Mierocrystalline cellulose 10g;
First take in proportion said components, then by its mixing and stir and obtain this dry powder emulsion paint coating.
Wherein, the preparation method of nano zine oxide is: the urea soln to adding the 0.4mol/L of 140mL in the 0.1mol/L zinc nitrate solution of 200mL, mixes both, then isothermal reaction 8 hours at 95 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue is first dried to 4 hours at 75 ℃, then at 550 ℃, calcines 4 hours, obtain nano zine oxide;
The preparation method of silicon-dioxide and zinc oxide composite is: in the 0.1mol/L zinc acetate solution of 200mL, slowly add 40g porous silica, and then slowly add the urea soln of the 0.4mol/L of 200mL, regulator solution pH is 8.5, at 95 ℃, constant temperature keeps 8 hours, filter, then gained filter residue is dried to 8 hours at 95 ℃, finally at 550 ℃, calcines 4 hours, obtain silicon-dioxide and zinc oxide composite.
embodiment 5
The present embodiment dry powder emulsion paint coating is comprised of the component of following weight part: nano zine oxide 500g, silicon-dioxide and zinc oxide composite 900g, Paris white 2000g, white cement 1000g, talcum powder 300g, light calcium carbonate 200g, polyvinyl alcohol powder 5000g, Mierocrystalline cellulose 100g;
First take in proportion said components, then by its mixing and stir and obtain this dry powder emulsion paint coating.
Wherein, the preparation method of nano zine oxide is: 26% the ammonia soln to adding 60mL in the 0.1mol/L solution of zinc sulfate of 200mL, mixes both, then isothermal reaction 8 hours at 85 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue is first dried to 6 hours at 75 ℃, then at 450 ℃, calcines 4 hours, obtain nano zine oxide;
The preparation method of silicon-dioxide and zinc oxide composite is: to 26% the ammonia soln that adds 60mL in the 0.1mol/L solution of zinc sulfate of 200mL, both are mixed, and then isothermal reaction 12 hours at 70 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue I is first dried to 2 hours at 75 ℃, then at 450 ℃, calcines 4 hours, obtain nano zine oxide; Then nano zine oxide being added to water, to be mixed with massfraction be 30% solution, to adding 1000mL concentration in described solution, is then the sodium silicate solution of 0.05mol/L; Mix, and regulate its pH value to 8.5, standing and reacting 3 hours, then in described sodium silicate solution, drip dehydrated alcohol, to reacting, no longer include Precipitation, the product that reaction is obtained filters, collect filter residue II, described filter residue II is first dried to 8 hours at 95 ℃, then 450 ℃ of calcinings 4 hours, obtains this silicon-dioxide and zinc oxide composite.
embodiment 6
The present embodiment dry powder emulsion paint coating is comprised of the component of following weight part: nano zine oxide 1000g, silicon-dioxide and zinc oxide composite 1000g, Paris white 2000g, kaolin 3000g, titanium dioxide 2000g, talcum powder 300g, light calcium carbonate 200g, polyvinyl alcohol powder 450g, Mierocrystalline cellulose 50g;
First take in proportion said components, then by its mixing and stir and obtain this dry powder emulsion paint coating.
Wherein, the preparation method of nano zine oxide is: the urea soln to adding the 0.4mol/L of 180mL in the 0.1mol/L zinc acetate solution of 200mL, mixes both, then isothermal reaction 8 hours at 95 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue is first dried to 8 hours at 75 ℃, then at 500 ℃, calcines 4 hours, obtain nano zine oxide.
Wherein, the preparation method of silicon-dioxide and zinc oxide composite is: to the urea soln that adds the 0.4mol/L of 100mL in the 0.1mol/L zinc acetate solution of 200mL, both are mixed, then isothermal reaction 12 hours at 70 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue I is first dried to 2 hours at 75 ℃, then at 350 ℃, calcines 4 hours, obtain nano zine oxide; Then nano zine oxide being added to water, to be mixed with massfraction be 30% solution, to adding 600mL concentration in described solution, is then the sodium silicate solution of 0.05mol/L; Mix, and regulate its pH value to 8.5, standing and reacting 3 hours, then in described sodium silicate solution, drip dehydrated alcohol, to reacting, no longer include Precipitation, the product that reaction is obtained filters, collect filter residue II, described filter residue II is first dried to 8 hours at 95 ℃, then 350 ℃ of calcinings 4 hours, obtains this silicon-dioxide and zinc oxide composite.
embodiment 7
The present embodiment dry powder emulsion paint coating is comprised of the component of following weight part: nano zine oxide 1000g, silicon-dioxide and zinc oxide composite 1000g, Paris white 2000g, grey calcium powder 1000g, kaolin 1000g, titanium dioxide 2500g, talcum powder 300g, light calcium carbonate 600g, polyvinyl alcohol powder 550g, Mierocrystalline cellulose 50g;
First take in proportion said components, then by its mixing and stir and obtain this dry powder emulsion paint coating.
Wherein, the preparation method of nano zine oxide is: the urea soln to adding the 0.4mol/L of 200mL in the 0.1mol/L zinc nitrate solution of 200mL, mixes both, then isothermal reaction 8 hours at 95 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue is first dried to 10 hours at 75 ℃, then at 550 ℃, calcines 4 hours, obtain nano zine oxide.
Wherein, the preparation method of silicon-dioxide and zinc oxide composite is: to the urea soln that adds the 0.4mol/L of 200mL in the 0.1mol/L zinc nitrate solution of 200mL, both are mixed, then isothermal reaction 8 hours at 95 ℃, after question response finishes, the product that reaction is obtained filters, and collects filter residue; Filter residue I is first dried to 10 hours at 75 ℃, then at 550 ℃, calcines 4 hours, obtain nano zine oxide; Then nano zine oxide being added to water, to be mixed with massfraction be 30% solution, to adding 1000mL concentration in described solution, is then the sodium silicate solution of 0.05mol/L; Mix, and regulate its pH value to 8.5, standing and reacting 3 hours, then in described sodium silicate solution, drip dehydrated alcohol, to reacting, no longer include Precipitation, the product that reaction is obtained filters, collect filter residue II, described filter residue II is first dried to 8 hours at 95 ℃, then 550 ℃ of calcinings 4 hours, obtains this silicon-dioxide and zinc oxide composite.
Effect test
The dry powder emulsion paint coating that the present invention is made, by every square metre, with 100 grams of dry emulsion powder coatings, adding 150 grams of water stirs, be coated on indoor wall, after film-forming, with light Continuous irradiation room 48 hours, respectively the ability of this coating decomposing, purifying formaldehyde and toluene is detected, test-results is in Table 1:
Table 1
Claims (6)
1. a dry powder emulsion paint coating for efficient decomposing formaldehyde, is characterized in that comprising the component of following parts by weight:
1 part～26 parts of nano zine oxides;
1 part～30 parts of silicon-dioxide and zinc oxide composites;
20 parts～70 parts of Paris whites;
0 part～40 parts of ash calcium powders;
0 part～20 parts of white cements;
3 parts～10 parts of talcum powder;
2 parts～10 parts of light calcium carbonates;
0 part～30 parts of kaolin;
0 part～25 parts of titanium dioxides;
0.5 part～50 parts of organic polymers;
0.1 part～1 part of Mierocrystalline cellulose;
Wherein, described organic polymer is dispersed latex powder or polyvinyl alcohol powder.
2. the dry powder emulsion paint coating of a kind of efficient decomposing formaldehyde according to claim 1, is characterized in that the preparation method of the dry powder emulsion paint coating of described efficient decomposing formaldehyde comprises the following steps:
A, according to following parts by weight, prepare material
1 part～26 parts of nano zine oxides;
1 part～30 parts of silicon-dioxide and zinc oxide composites;
20 parts～70 parts of Paris whites;
0 part～40 parts of ash calcium powders;
0 part～20 parts of white cements;
3 parts～10 parts of talcum powder;
2 parts～10 parts of light calcium carbonates;
0 part～30 parts of kaolin;
0 part～25 parts of titanium dioxides;
0.5 part～50 parts of organic polymers;
0.1 part～1 part of Mierocrystalline cellulose;
Wherein, described organic polymer is dispersed latex powder or polyvinyl alcohol powder;
B, said components is mixed, obtain the dry powder emulsion paint coating of this efficient decomposing formaldehyde.
3. the dry powder emulsion paint coating of a kind of efficient decomposing formaldehyde according to claim 1 and 2, is characterized in that described Particle Size of Nanometer ZnO is 40nm～80nm; Described Paris white adopts 250 order～2500 orders; Described grey calcium powder adopts 300 order～1250 orders; Described talcum powder adopts 300 order～2500 orders; Described kaolin adopts 400 order～2500 orders; Described titanium oxide powder adopts 800 order～2500 orders.
4. the dry powder emulsion paint coating of a kind of efficient decomposing formaldehyde according to claim 1, is characterized in that the preparation method of described nano zine oxide is:
To containing 0.1mol/LZn
2+salts solution in add the ammonia soln of 0.4mol/L urea soln or 25%～28%, mix then isothermal reaction 8 hours～12 hours at 70 ℃～95 ℃; After question response finishes, the product that described reaction is obtained filters, and collects filter residue, and described filter residue is first dried to 2 hours～10 hours at 75 ℃, then calcines 4 hours at 350 ℃～550 ℃, obtains nano zine oxide; Wherein, described salts solution is zinc nitrate solution, zinc acetate solution, a kind of in three kinds of solution of solution of zinc sulfate; The volume ratio of described salts solution and described urea soln is 1:0.5～1; The volume ratio of described salts solution and described ammoniacal liquor is 1:0.1～0.3.
5. the dry powder emulsion paint coating of a kind of efficient decomposing formaldehyde according to claim 1, is characterized in that the preparation method of described silicon-dioxide and zinc oxide composite is:
First to containing 0.1mol/LZn
2+salts solution in add the ammonia soln of 0.4mol/L urea soln or 25%～28%, mix then isothermal reaction 8 hours～12 hours at 70 ℃～95 ℃; After question response finishes, the product that described reaction is obtained filters, and collects filter residue I; Described filter residue I is first dried to 2 hours～10 hours at 75 ℃, then 350 ℃～550 times calcinings 4 hours, obtains nano zine oxide; Then the nano zine oxide obtaining being added to water, to be mixed with massfraction be 30% solution, and adding wherein concentration is the sodium silicate solution of 0.05mol/L; Mix, and regulate its pH value to 8.5, standing and reacting 3 hours, then in described sodium silicate solution, drip dehydrated alcohol, to reacting, no longer include Precipitation, the product that reaction is obtained filters, collect filter residue II, filter residue II is first dried to 8 hours at 95 ℃, then 350 ℃～550 calcining 4 hours, obtains this silicon-dioxide and zinc oxide composite; Wherein, described salts solution is zinc nitrate solution, zinc acetate solution, a kind of in three kinds of solution of solution of zinc sulfate; The volume ratio of described salts solution and described urea soln is 1:0.5～1; The volume ratio of described salts solution and described ammoniacal liquor is 1:0.1～0.3; The volume ratio of the aqueous solution of described sodium silicate solution and described nano zine oxide is 1:0.2～0.5.
6. the dry powder emulsion paint coating of a kind of efficient decomposing formaldehyde according to claim 1, is characterized in that the preparation method of described silicon-dioxide and zinc oxide composite is:
To containing 0.1mol/LZn
2+salts solution in slowly add porous silica, and then slowly add precipitation agent, regulate the pH value to 8.5 of mixing solutions, then isothermal reaction 8 hours～10 hours at 70 ℃～95 ℃, the product that described reaction is obtained filters, and collects filter residue, and described filter residue is dried to 8 hours at 95 ℃, then 350 ℃～550 times calcinings 4 hours, obtain this silicon-dioxide and zinc oxide composite; Wherein, described salts solution is zinc nitrate solution, zinc acetate solution, a kind of in three kinds of solution of solution of zinc sulfate; The volume ratio of described salts solution and described urea soln is 1:0.5～1; The volume ratio of described salts solution and described ammoniacal liquor is 1:0.1～0.3; The add-on of described porous silica is the silicon-dioxide adding in salts solution solution described in every 100mL described in 10g.
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