CN115785753B - Bamboo charcoal negative ion coating and preparation method and application thereof - Google Patents
Bamboo charcoal negative ion coating and preparation method and application thereof Download PDFInfo
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- 239000003610 charcoal Substances 0.000 title claims abstract description 110
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 75
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 75
- 241001330002 Bambuseae Species 0.000 title claims abstract description 75
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 75
- 239000011425 bamboo Substances 0.000 title claims abstract description 75
- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title abstract description 22
- 150000002500 ions Chemical class 0.000 claims abstract description 74
- 239000003973 paint Substances 0.000 claims abstract description 69
- 150000001450 anions Chemical class 0.000 claims abstract description 40
- 239000000419 plant extract Substances 0.000 claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 36
- 235000005731 Bambusa membranacea Nutrition 0.000 claims abstract description 35
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 claims abstract description 31
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- 239000000049 pigment Substances 0.000 claims description 15
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- 150000003138 primary alcohols Chemical class 0.000 claims description 2
- 150000002028 dodecanols Chemical class 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
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- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract description 9
- 230000002195 synergetic effect Effects 0.000 abstract description 3
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- 230000000694 effects Effects 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
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- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
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- 239000004408 titanium dioxide Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
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- 239000008280 blood Substances 0.000 description 2
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
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- 229940088594 vitamin Drugs 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 description 1
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 description 1
- 229920005789 ACRONAL® acrylic binder Polymers 0.000 description 1
- 241001116389 Aloe Species 0.000 description 1
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 description 1
- 239000005510 Diuron Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- -1 alcohol ester Chemical class 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 235000011399 aloe vera Nutrition 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 description 1
- 239000006013 carbendazim Substances 0.000 description 1
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
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- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a bamboo charcoal negative ion coating and a preparation method and application thereof, wherein the bamboo charcoal negative ion coating comprises, by weight, 10-20 parts of polymer emulsion, 5-15 parts of plant extract, 0.1-0.5 part of diaminodiphenyl sulfone and 1-2 parts of white bamboo charcoal powder. According to the invention, the bamboo charcoal anion paint is matched with white bamboo charcoal powder through the polymer emulsion, the plant extract, the diaminodiphenyl sulfone and the specific content, and the synergistic effect is achieved, so that the aldehyde removing capability of the paint is improved, the release amount of anions is improved, the anions are continuously released for a long time, the use requirement of a paint film is met, the heat resistance is good, the falling off is difficult, and the application range is wide.
Description
Technical Field
The invention belongs to the technical field of building interior wall water-based emulsion paint, and particularly relates to a bamboo charcoal anion paint and a preparation method and application thereof.
Background
With the improvement of the economic and living standard of people, the interior decoration becomes fashionable. However, in the increasingly strong coating market, more and more inner wall coating brands are full of the market, and the phenomena that some products contain heavy metals such as mercury, lead, cadmium and the like, formaldehyde and benzene toxic and harmful substances seriously exceed standards are not lacked. In such environments, which are full of various types of pollution, environmental protection, healthy indoor environments are receiving increasing attention.
The negative ions not only can promote the synthesis and storage of vitamins, but also can strengthen and activate the physiological activities of human bodies, and have very important influence on the life activities of human bodies and other organisms, so the negative ions are called as 'air vitamins'. If thunder rain is over, negative ions in the air are increased, and people feel happy. In the medical community, anions are identified as effective means for killing pathogens and purifying air. The mechanism is mainly that after the negative ions are combined with bacteria, the bacteria generate structural change or energy transfer, so that the bacteria die and finally sink on the ground. Medical research shows that the negatively charged particles in the air increase the oxygen content in the blood, are beneficial to the transportation, absorption and utilization of blood oxygen, and have the effects of promoting metabolism of human bodies, improving the immunity of human bodies, enhancing the muscle energy of human bodies and regulating the functional balance of human bodies. According to the examination, the anions have the effects of inhibiting, relieving and assisting in treating more than 30 diseases on 7 systems of human bodies, and particularly have more obvious health care effects on human bodies.
The negative ion coating has wide application prospect. It not only has the basic performance of traditional paint, but also has the functions of releasing anions, emitting far infrared rays, resisting bacteria and mould and purifying air. It is becoming the first choice for building interior wall coverings. For example CN110698891a discloses a bamboo charcoal negative ion coating comprising: 4-27 parts of titanium dioxide, 4-9 parts of bamboo charcoal factors, 0.3-0.5 part of negative ion additives, 7-9 parts of silicon dioxide, 0.2-0.6 part of preservatives, 0.15-0.7 part of dispersing agents, 0.1-0.6 part of mildew inhibitors, 3-6 parts of antibacterial agents, 1-3 parts of antifreeze agents, 2-6 parts of film forming additives and the balance of water, wherein the paint can quickly and permanently remove formaldehyde, ammonia, benzene and other harmful gases and peculiar smell in the air, has good effects of killing and inhibiting the growth of bacteria in the air, plays a role of purifying indoor air, greatly improves living environments of people, and is beneficial to human health, but the bamboo charcoal factors and the negative ion additives are mainly adopted to release negative ions into the air, and release the negative ions and the aldehyde removing capability is limited.
Common drawbacks of the prior art are: the negative ion paint on the market is mostly added with negative ion powder directly on the basis of the original raw materials, and the prepared negative ion paint has the advantages of common air purification effect, poor viscosity, poor adhesive force and falling of a coating film after a certain time; the use effect of some commercial products is limited by the application environment, and most of negative ion coatings contain titanium dioxide, so that the removal effect of formaldehyde is extremely limited under the condition of natural light or no light because the titanium dioxide is an ultraviolet light catalyst, and the application limitation is realized.
Therefore, development of a coating which has good capability of releasing anions and removing aldehydes, good heat resistance and difficult falling of a paint film and can realize long-time aldehyde removal and negative ion release is a technical problem to be solved in the field.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a bamboo charcoal negative ion coating and a preparation method and application thereof. The bamboo charcoal anion paint is matched with white bamboo charcoal powder through polymer emulsion, plant extract, diamino diphenyl sulfone and white bamboo charcoal powder with specific contents, and the synergistic effect is good for improving the formaldehyde removing capability and the anion release content of the paint, realizing long-time continuous release of anions, meeting the use requirement of paint films, and being good in heat resistance, not easy to fall off and wide in application range.
To achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a bamboo charcoal anion paint, which comprises, by weight, 10-20 parts of polymer emulsion, 5-15 parts of plant extract, 0.1-0.5 part of diamino diphenyl sulfone and 1-2 parts of white bamboo charcoal powder.
In the invention, the amino in the structure of the diaminodiphenyl sulfone can react with aldehyde groups in formaldehyde, so that the effect of removing aldehyde is achieved; the diaminodiphenyl sulfone has good wet heat resistance, and the coating is not easy to wet and heat resistant; the plant extract is added, so that aldehyde removal and negative ion release can be realized within 24 hours in the whole day; the white bamboo charcoal powder is rich in calcium, potassium, mineral substances and various microelements required by human bodies, can strengthen the immunity of the human bodies and prevent diseases, has a good adsorption function, and can be used for purifying water, deodorizing, purifying air and the like, and the obtained coating is more compact and has strong adsorption capacity; through mutual matching of the components, the aldehyde removing and negative ion releasing capabilities of the paint are improved, and the paint film has good heat resistance and good environmental protection.
Preferably, the bamboo charcoal negative ion coating comprises 10-20 parts of polymer emulsion by weight, such as 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts, 19 parts and the like.
Preferably, the bamboo charcoal negative ion coating comprises 5-15 parts of plant extract liquid in parts by weight, and can be 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts, 9.5 parts, 10 parts, 10.5 parts, 11 parts, 11.5 parts, 12 parts, 12.5 parts, 13 parts, 13.5 parts, 14 parts, 14.5 parts and the like.
Preferably, the bamboo charcoal negative ion coating comprises 0.1-0.5 part of diaminodiphenyl sulfone by weight, for example, 0.12 part, 0.14 part, 0.16 part, 0.18 part, 0.2 part, 0.22 part, 0.24 part, 0.26 part, 0.28 part, 0.3 part, 0.32 part, 0.34 part, 0.36 part, 0.38 part, 0.4 part, 0.42 part, 0.44 part, 0.46 part, 0.48 part and the like.
Preferably, the bamboo charcoal negative ion coating comprises 1-2 parts by weight of white bamboo charcoal powder, for example, 1.1 parts, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts and the like.
Preferably, the polymer emulsion comprises a silicone-acrylic emulsion.
In the invention, the film forming material is the silicone-acrylate emulsion, and the aqueous anionic emulsion prepared by refining monomers such as acrylic esters, organic silicon and the like through a special process has the advantages of extremely high adhesive force, relatively strong ultraviolet resistance, pollution resistance, extremely high penetrability, high glossiness, good viscosity, high water resistance, high weather resistance (more than fifteen years), sterilization, mildew resistance, antistatic property and the like.
Preferably, the plant extract comprises cactus extract and/or aloe extract.
Preferably, the mass ratio of the cactus extract to the aloe extract is 1 (0.5-1.5), for example, 1:0.6, 1:0.7, 1:0.8, 1:0.9, 1:1, 1:1.1, 1:1.2, 1:1.3, 1:1.4, etc.
In the invention, the cactus releases carbon dioxide in daytime, and at night, the cactus absorbs carbon dioxide and aloe to perform photosynthesis in daytime, and absorbs carbon dioxide and releases oxygen; the breathing effect is carried out at night, oxygen is absorbed, carbon dioxide is released, and the formaldehyde and negative ions can be continuously removed and released all the day in a specific proportion by selecting the combination of the formaldehyde and the negative ions, and the formaldehyde removing and negative ions releasing capabilities of the coating are improved.
Preferably, the particle size of the white bamboo charcoal powder is 500 to 700nm, for example, 520nm, 540nm, 560nm, 580nm, 600nm, 620nm, 640nm, 660nm, 680nm, etc.
Preferably, the release amount of the white bamboo charcoal powder negative ions is more than or equal to5000 pieces/cm 3 。
Preferably, the bamboo charcoal negative ion coating further comprises 20-50 parts of solvent, such as 25 parts, 30 parts, 35 parts, 40 parts, 45 parts and the like, in parts by weight.
Preferably, the solvent comprises water.
Preferably, the bamboo charcoal negative ion coating further comprises 0.1-1 part of dispersing agent, for example, 0.2 part, 0.4 part, 0.6 part, 0.8 part and the like in parts by weight.
Preferably, the dispersant comprises a polycarboxylate dispersant.
In the invention, the dispersing agent is selected to have special effects on various superfine pigments and fillers, and has relatively stable dispersibility so as to ensure relatively low effective dispersion viscosity under higher pigment content.
Preferably, the bamboo charcoal negative ion coating further comprises 0.1-0.4 part of mildew inhibitor, for example, 0.15 part, 0.2 part, 0.25 part, 0.3 part, 0.35 part and the like in parts by weight.
In the present invention, the mildew preventive is not limited to the Michaelis corporationCDT, composition: 9% of carbendazim, 20% of diuron and 3% of OIT.
Preferably, the bamboo charcoal negative ion coating further comprises 0.1-0.3 part of bactericide, for example, 0.15 part, 0.2 part, 0.25 part and the like in parts by weight.
In the present invention, the germicides include, but are not limited to, the company michaelis, sea-tangleMC, the bactericide is a broad-spectrum bactericidal preservative based on aqueous liquid of composite isothiazolinone, is colorless to pale yellow transparent liquid, has slight characteristic smell and low irritation, accords with the green standard of paint, does not cause emulsion flocculation, and has quick sterilization and high residual amount of antiseptic components.
Preferably, the bamboo charcoal negative ion coating further comprises 0.1-0.6 part of defoamer, for example, 0.2 part, 0.3 part, 0.4 part, 0.5 part and the like in parts by weight.
In the invention, the defoamer comprises but is not limited to mineral oil defoamer of sea wetting chemistry, the defoamer is an off-white to light yellow turbid liquid, has standard defoamer with pigment volume concentration of 20-70%, contains a small amount of organosilicon compatible with paint, and enhances defoaming performance.
Preferably, the bamboo charcoal negative ion coating further comprises 0.1-0.5 part of wetting agent, for example, 0.2 part, 0.3 part, 0.4 part and the like in parts by weight.
In the present invention, the wetting agent comprises a primary alcohol polyether nonionic surfactant.
Preferably, the bamboo charcoal negative ion coating further comprises 0.2-1 part of cellulose thickener, for example, 0.3 part, 0.4 part, 0.6 part, 0.8 part and the like in parts by weight.
In the present invention, the cellulose thickener includes, but is not limited to, the product of the company Xinyue under the trade name HS30000YP2, which has good flow regulation in addition to thickening, suspending, binding, emulsifying, film forming, dispersing, water retaining and providing protection.
Preferably, the bamboo charcoal negative ion coating further comprises 0.1-0.6 part of an anti-settling agent, for example, 0.2 part, 0.3 part, 0.4 part, 0.5 part and the like in parts by weight.
In the invention, the anti-settling agent comprises bentonite. Preferably, the bentonite is prepared by taking natural high-whiteness calcium bentonite as a raw material and refining the natural high-whiteness calcium bentonite after sodium modification. Can expand into colloid in water system to form stable suspension to prevent suspended matter from depositing, integrating and hardening. Therefore, the thickening and suspending effects are good. It belongs to inorganic nonmetallic materials, does not deteriorate or mildew after long-term storage, and cannot be affected by bacteria and microorganisms.
Preferably, the bamboo charcoal negative ion coating further comprises 0.1-0.6 part of pH regulator, for example, 0.2 part, 0.3 part, 0.4 part, 0.5 part and the like in parts by weight.
In the present invention, the pH adjustor comprises a product manufactured by Solvin corporation under the trade name AN130, a low odor alternative to ammonia, which is a low cost alternative to traditional neutralizing amines (such as 2-amino-2-methyl-1-propanol AMP) in architectural coatings. It can provide pH stability, promote color acceptance, and can also be used as a co-dispersant and wetting agent.
Preferably, the bamboo charcoal negative ion paint further comprises 5-15 parts of pigment, for example, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts and the like by weight.
In the present invention, the pigment includes, but is not limited to, titanium white.
Preferably, the bamboo charcoal negative ion coating further comprises 10-20 parts of filler, for example, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts, 19 parts and the like in parts by weight.
Preferably, the particle size of the filler is 1000 to 2000 mesh, for example, 1100 mesh, 1200 mesh, 1300 mesh, 1400 mesh, 1500 mesh, 1600 mesh, 1700 mesh, 1800 mesh, 1900 mesh, etc.
Preferably, the filler comprises a combination of talc and ground calcium carbonate.
Preferably, the bamboo charcoal negative ion paint further comprises 0.5 to 1 part of an antifreezing agent, for example, 0.6 part, 0.7 part, 0.8 part, 0.9 part and the like, in parts by weight.
In the present invention, the antifreeze includes propylene glycol.
Preferably, the bamboo charcoal negative ion coating further comprises 1-2 parts of film forming auxiliary agent, for example, 1.2 parts, 1.4 parts, 1.6 parts, 1.8 parts and the like by weight.
In the present invention, the film forming aid comprises alcohol ester twelve; the dodecyl alcohol has very good hydrolytic stability, and can be combined more tightly and continuously when the latex particles are formed into films by adding a small amount of the dodecyl alcohol, so that a smooth and uniform coating is formed, the scrubbing resistance, the weather resistance and the like of the invention are greatly improved, and the dodecyl alcohol is easy to add, so the dodecyl alcohol is an ideal film forming auxiliary agent.
Preferably, the bamboo charcoal negative ion coating further comprises 1-3 parts of polyurethane thickener, for example, 1.2 parts, 1.4 parts, 1.6 parts, 1.8 parts, 2 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.8 parts and the like by weight.
In the invention, the polyurethane thickener comprises, but is not limited to, a product produced by Rohouse Hasi corporation of America, the brand of which is Acrysol@RM-2020, and is a nonionic associative thickening and leveling dual-effect product modified by a hydrophobic group of polyurethane. Not only has excellent high shear viscosity thickening effect, but also has excellent fluidity and leveling property.
According to the preferred technical scheme, the bamboo charcoal anion paint comprises, by weight, 15-20 parts of polymer emulsion, 8-15 parts of plant extract, 0.1-0.3 part of diaminodiphenyl sulfone, 1.5-2 parts of white bamboo charcoal powder, 0.5-1 part of dispersing agent, 0.1-0.4 part of mildew preventive, 0.1-0.3 part of bactericide, 0.2-0.5 part of defoamer, 0.1-0.4 part of wetting agent, 0.5-1 part of cellulose thickener, 0.1-0.3 part of anti-settling agent, 0.1-0.3 part of pH regulator, 10-15 parts of pigment, 10-15 parts of filler, 0.5-1 part of antifreezing agent, 1.5-2 parts of film forming auxiliary agent, 2-3 parts of polyurethane thickener and 30-50 parts of solvent.
In a second aspect, the present invention provides a method for preparing the bamboo charcoal negative ion coating according to the first aspect, the method comprising:
(1) Mixing and dispersing a solvent, optionally a dispersing agent, a mildew preventive, a bactericide, a defoaming agent, a wetting agent, a cellulose thickener, an anti-settling agent and a pH regulator according to the formula amount to obtain a first mixture;
(2) Mixing and dispersing the first mixture obtained in the step (1) with white bamboo charcoal powder and optional pigment and filler to obtain a second mixture;
(3) And (3) mixing the second mixture obtained in the step (2) with diaminodiphenyl sulfone, polymer emulsion, plant extract, and optionally an antifreezing agent, a film-forming auxiliary agent and a polyurethane thickener to obtain the bamboo charcoal negative ion coating.
Preferably, the rotational speed of the mixing dispersion in the step (1) is 400 to 600rpm, for example, 450rpm, 500rpm, 550rpm, etc.
Preferably, the mixing and dispersing of the step (2) comprises slowly adding white bamboo charcoal powder and optional pigment and filler into the first mixture obtained in the step (1).
Preferably, the rotational speed at the time of the addition is 800 to 1000rpm, and for example, 850rpm, 900rpm, 950rpm, etc. may be used.
Preferably, the rotational speed of the mixing dispersion in the step (2) is 1200 to 1500rpm, and may be 1250rpm, 1300rpm, 1350rpm, 1400rpm, 1450rpm, etc.
Preferably, the rotational speed of the mixing in step (3) is 400 to 600rpm, and may be, for example, 450rpm, 500rpm, 550rpm, etc.
In a third aspect, the invention provides an application of the bamboo charcoal anion paint in the inner wall of a building.
The numerical ranges recited herein include not only the recited point values, but also any point values between the recited numerical ranges that are not recited, and are limited to, and for the sake of brevity, the invention is not intended to be exhaustive of the specific point values that the recited range includes.
In the invention, the construction mode of the paint is simple, and a proper amount of water can be added to adjust the viscosity according to specific conditions during construction, so that the effects of color mixing and viscosity for different styles of decoration can be ensured, and the effect of releasing anions of the paint can be better exerted after the paint is coated.
Compared with the prior art, the invention has the beneficial effects that:
according to the bamboo charcoal anion paint provided by the invention, the polymer emulsion, the plant extract, the diaminodiphenyl sulfone and the white bamboo charcoal powder with specific contents are matched with each other to synergistically increase the aldehyde removing capability of the paint, improve the release amount of anions, realize aldehyde and anion removing within 24 hours in the whole day, meet the use requirement of a paint film, have good heat resistance, are not easy to fall off, have compact coating, have good adsorption capability, can adsorb harmful gases in air, achieve the effect of purifying air, and have the advantages of low cost, good use effect and wide application range.
Detailed Description
The technical scheme of the invention is further described by the following specific embodiments. It will be apparent to those skilled in the art that the examples are merely to aid in understanding the invention and are not to be construed as a specific limitation thereof.
The materials used in the invention are as follows:
dispersing agent: gaotai P30;
mildew preventive: sea guest maisiCDT；
A bactericide: sea guest maisiMC；
Defoaming agent: mineral oil defoamers for marine chemistry;
wetting agent: the Dow chemical EH-40;
cellulose thickener: the letter HS30000YP 2;
anti-settling agent: bentonite TY016 produced by heaven;
pH regulator: a sorvean 130;
and (3) pigment: long Mang Baili produced rutile titanium dioxide R699;
and (3) filling: a mixture of talc of particle size 1250 mesh and ground calcium carbonate of particle size 1250 mesh;
white bamboo charcoal powder: tianshan real HY-57;
antifreezing agent: propylene glycol;
diamino diphenyl sulfone: creating a product for winning chemical industry;
film forming auxiliary agent: an Isman LD506;
polymer emulsion: nano silicone-acrylic emulsion, SD-5281 of new material company;
styrene-acrylic emulsion: basf ECO559 (ACRONAL ECO559 ap);
cactus extract: products manufactured by Mei Yi biological Co., ltd., CAS number 643-60-7;
aloe extract: xianze Biometrics XZ-600;
polyurethane thickener: rongax acrysol@RM-2020.
Example 1
The embodiment provides a bamboo charcoal anion paint, which comprises 39 parts of deionized water, 0.7 part of dispersing agent, 0.2 part of mildew inhibitor, 0.2 part of bactericide, 0.5 part of defoaming agent, 0.4 part of wetting agent, 0.8 part of cellulose thickener, 0.2 part of anti-settling agent, 0.2 part of PH regulator, 13 parts of pigment, 8 parts of filler talcum powder, 5 parts of filler heavy calcium, 1.8 parts of white bamboo charcoal powder, 0.6 part of antifreezing agent, 0.2 part of diaminodiphenyl sulfone, 1.2 parts of film forming auxiliary agent, 16 parts of silicone-acrylic emulsion, 10 parts of plant extract and 2.0 parts of polyurethane thickener; the plant extract comprises cactus extract and aloe extract in a mass ratio of 1:1.
The embodiment provides a preparation method of the bamboo charcoal negative ion coating, which specifically comprises the following steps:
(1) At a rotating speed of 500rpm, sequentially adding deionized water, a dispersing agent, a mildew preventive, a bactericide, a defoaming agent, a wetting agent, a cellulose thickening agent, an anti-settling agent and a pH regulator according to the formula amount, and dispersing until uniformly mixing to obtain a first mixture;
(2) Slowly adding pigment and filler and white bamboo charcoal powder into the first mixture obtained in the step (1) at the rotating speed of 900rpm, and dispersing until the fineness is less than or equal to 50 microns at the rotating speed of 1400rpm to obtain a second mixture;
(3) And (3) sequentially adding an antifreezing agent, diaminodiphenyl sulfone, a film-forming auxiliary agent, polymer emulsion, plant extract and a polyurethane thickener into the second mixture obtained in the step (2) at the rotating speed of 500rpm, and uniformly mixing to obtain the linear bamboo charcoal negative ion coating.
Example 2
The present example provides a bamboo charcoal anion paint, which is different from example 1 only in that the bamboo charcoal anion paint comprises, by weight, 2 parts of white bamboo charcoal powder, 0.3 part of diaminodiphenyl sulfone, 8 parts of plant extract, and the deionized water is adjusted so that the total amount of the paint is unchanged, and other components, amounts and preparation methods are the same as example 1.
Example 3
The present example provides a bamboo charcoal anion paint, which is different from example 1 only in that the bamboo charcoal anion paint comprises, by weight, 1.5 parts of white bamboo charcoal powder, 0.1 part of diaminodiphenyl sulfone, and 15 parts of plant extract, and the deionized water is adjusted so that the total amount of the paint is unchanged, and other components, amounts and preparation methods are the same as example 1.
Example 4
The present example provides a bamboo charcoal anion paint, which differs from example 1 only in that the total amount of the cactus extract and the aloe extract is unchanged, the mass ratio is 1:0.2, and other components, amounts and preparation methods are the same as those of example 1.
Example 5
The present example provides a bamboo charcoal anion paint, which differs from example 1 only in that the total amount of the cactus extract and the aloe extract is unchanged, the mass ratio is 1:2, and other components, amounts and preparation methods are the same as those of example 1.
Example 6
The present example provides a bamboo charcoal anion paint, which differs from example 1 only in that the plant extract is cactus extract, and other components, amounts and preparation methods are the same as example 1.
Example 7
The present example provides a bamboo charcoal anion paint, which differs from example 1 only in that the plant extract is aloe extract, and other components, amounts and preparation methods are the same as example 1.
Example 8
This example provides a bamboo charcoal anion paint which differs from example 1 only in that the silicone-acrylic emulsion is replaced with an equal weight portion of styrene-acrylic emulsion, and other components, amounts and preparation methods are the same as in example 1.
Comparative example 1
This comparative example provides a bamboo charcoal negative ion paint, which is different from example 1 only in that the bamboo charcoal negative ion paint has no plant extract, white bamboo charcoal powder and diaminodiphenyl sulfone, the amount of water is adjusted so that the total amount of paint is unchanged, and other components, amounts and preparation methods are the same as example 1.
Comparative example 2
This comparative example provides a bamboo charcoal negative ion paint, which is different from example 1 only in that the bamboo charcoal negative ion paint is free of plant extract and diaminodiphenyl sulfone, the amount of water is adjusted so that the total amount of paint is unchanged, and other components, amounts and preparation methods are the same as example 1.
Comparative example 3
This comparative example provides a bamboo charcoal negative ion paint, which is different from example 1 only in that the bamboo charcoal negative ion paint has no plant extract and white bamboo charcoal powder, the amount of water is adjusted so that the total amount of paint is unchanged, and other components, amounts and preparation methods are the same as example 1.
Comparative example 4
This comparative example provides a bamboo charcoal negative ion paint, which is different from example 1 only in that the bamboo charcoal negative ion paint has no plant extract, the amount of water is adjusted so that the total amount of paint is unchanged, and other components, amounts and preparation methods are the same as example 1.
Comparative example 5
This comparative example provides a bamboo charcoal anion paint which differs from example 1 only in that the total amount of the plant extract, white bamboo charcoal powder and diaminodiphenyl sulfone is unchanged, the ratio of the plant extract to white bamboo charcoal powder is unchanged, no diaminodiphenyl sulfone is present, and other components, amounts and preparation methods are the same as in example 1.
Comparative example 6
This comparative example provides a bamboo charcoal anion paint which differs from example 1 only in that the total amount of the plant extract, white bamboo charcoal powder and diaminodiphenyl sulfone is unchanged, and the diaminodiphenyl sulfone, the plant extract, other components, amounts and preparation methods are all the same as in example 1.
Comparative example 7
The comparative example provides a bamboo charcoal anion paint which is different from the embodiment 1 only in that the total amount of the plant extract, the white bamboo charcoal powder and the diaminodiphenyl sulfone is unchanged, and the weight parts of the plant extract, the white bamboo charcoal powder and the diaminodiphenyl sulfone are respectively 3 parts, 2 parts and 7 parts, and other components, the dosage and the preparation method are the same as those of the embodiment 1.
Comparative example 8
This comparative example provides a bamboo charcoal negative ion paint, which is different from example 1 only in that the bamboo charcoal negative ion paint comprises 20 parts of plant extract, 0.5 part of white bamboo charcoal powder and 0.05 part of diaminodiphenyl sulfone, the solvent amount is adjusted so that the total amount of paint is unchanged, and other components, amounts and preparation methods are the same as example 1.
Performance testing
(1) Formaldehyde purification performance: the measurement is carried out according to the GB/T23761-2009 standard;
(2) Negative ion release performance: the measurement is carried out according to JC/T2040-2010 standard; recording the release concentration of negative ions;
(3) Wet heat resistance: the measurement was carried out according to the GB/1740-1979 (1989) standard.
The specific test results are shown in table 1:
TABLE 1
As can be seen from the table, the bamboo charcoal negative ion coating provided by the invention has the advantages that the polymer emulsion, the plant extract, the diaminodiphenyl sulfone and the white bamboo charcoal powder with specific contents are matched with each other, the synergistic effect is achieved, the formaldehyde removal capability of the coating is improved, the negative ion release amount is improved, the negative ions are continuously released for a long time, the use requirement of a paint film is met, the heat resistance is good, and the paint film is not easy to fall off. As can be seen from examples 1 to 3, the formaldehyde removal rate of the bamboo charcoal anion paint reaches 90 to 93 percent, and the anion release concentration in the daytime is 10543 to 12564 per cm 3 The release concentration of negative ions at night is 10847-12687/cm 3 The wet heat resistance grade reaches grade 1.
As is clear from examples 1 and 4 to 8, the plant extract is not specific in composition or ratio, or the polymer emulsion is not a silicone-acrylate emulsion, and the formaldehyde removal rate of the bamboo charcoal negative ion paint is reduced or the negative ion emission amount is reduced.
As can be seen from comparison of example 1 and comparative examples 1-6, the use of diaminodiphenyl sulfone significantly improves formaldehyde purification performance and moist heat resistance, and the nanometer silicone-acrylate emulsion is matched with white bamboo charcoal powder and plant extract, so that the negative ion release amount is significantly improved; the bamboo charcoal negative ion coating has reduced formaldehyde removal rate, reduced negative ion release amount or poor moist heat resistance, and is not a specific combination or the white bamboo charcoal powder, the plant extract and the diaminodiphenyl sulfone are not in specific content ranges.
In summary, the bamboo charcoal anion paint provided by the invention has the advantages that the specific types of polymer emulsion are matched with the diaminodiphenyl sulfone, the white bamboo charcoal powder and the plant extract, and the components are in the specific content range, so that the formaldehyde purification performance of the paint is optimal, the moist heat resistance is good, the surface anion release concentration is high, the continuous release of high-content anions within 24 hours in the whole day can be realized, the whole preparation method is simple in flow, the cost can be effectively saved, the use effect of the prepared product is good, the surface of the coating is more compact, the pollution is not easy to happen, the adsorption capacity is good, the harmful gas in the air can be adsorbed, the effect of purifying the air is achieved, and the application range is wide.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (13)
1. The bamboo charcoal anion paint is characterized by comprising, by weight, 10-20 parts of polymer emulsion, 5-15 parts of plant extract, 0.1-0.5 part of diaminodiphenyl sulfone, 1-2 parts of white bamboo charcoal powder, 0.1-1 part of dispersing agent, 0.1-0.4 part of mildew preventive, 0.1-0.3 part of bactericide, 0.1-0.6 part of defoamer, 0.1-0.5 part of wetting agent, 0.2-1 part of cellulose thickener, 0.1-0.6 part of anti-settling agent, 0.1-0.6 part of pH regulator, 5-15 parts of pigment, 10-20 parts of filler, 0.5-1 part of antifreezing agent, 1-2 parts of film-forming auxiliary agent, 1-3 parts of polyurethane thickener and 20-50 parts of solvent;
wherein the dispersant comprises a polycarboxylate dispersant;
the wetting agent comprises a primary alcohol polyether nonionic surfactant;
the antifreeze agent comprises propylene glycol;
the film forming aids include dodecanol esters;
the plant extract comprises cactus extract and aloe extract with the mass ratio of 1 (0.5-1.5).
2. The bamboo charcoal anion paint of claim 1, wherein the polymer emulsion comprises a silicone-acrylic emulsion.
3. The bamboo charcoal negative ion coating according to claim 1, wherein the particle size of the white bamboo charcoal powder is 500-700 nm.
4. The bamboo charcoal anion paint of claim 1, wherein the solvent comprises water.
5. The bamboo charcoal anion paint of claim 1, wherein the filler has a particle size of 1000 to 2000 mesh.
6. The bamboo charcoal negative ion coating according to claim 1, wherein the bamboo charcoal negative ion coating comprises, by weight, 15 to 20 parts of a polymer emulsion, 8 to 15 parts of a plant extract, 0.1 to 0.3 part of diaminodiphenyl sulfone, 1.5 to 2 parts of white bamboo charcoal powder, 0.5 to 1 part of a dispersing agent, 0.1 to 0.4 part of a mildew preventive, 0.1 to 0.3 part of a bactericide, 0.2 to 0.5 part of an antifoaming agent, 0.1 to 0.4 part of a wetting agent, 0.5 to 1 part of a cellulose thickener, 0.1 to 0.3 part of an anti-settling agent, 0.1 to 0.3 part of a pH adjuster, 10 to 15 parts of a pigment, 10 to 15 parts of a filler, 0.5 to 1 part of an anti-freezing agent, 1.5 to 2 parts of a film forming aid, 2 to 3 parts of a polyurethane thickener, and 30 to 50 parts of a solvent.
7. A method for preparing the bamboo charcoal negative ion paint according to any one of claims 1 to 6, comprising:
(1) Mixing and dispersing a solvent, a dispersing agent, a mildew preventive, a bactericide, a defoaming agent, a wetting agent, a cellulose thickening agent, an anti-settling agent and a pH regulator according to the formula amount to obtain a first mixture;
(2) Mixing and dispersing the first mixture obtained in the step (1), white bamboo charcoal powder, pigment and filler to obtain a second mixture;
(3) And (3) mixing the second mixture obtained in the step (2) with diaminodiphenyl sulfone, polymer emulsion, plant extract, antifreezing agent, film-forming auxiliary agent and polyurethane thickener to obtain the bamboo charcoal negative ion coating.
8. The method according to claim 7, wherein the rotational speed of the mixing dispersion in the step (1) is 400 to 600rpm.
9. The method of claim 7, wherein the step (2) of mixing and dispersing comprises adding the white bamboo charcoal powder and pigment, and the filler slowly to the first mixture obtained in the step (1).
10. The method according to claim 9, wherein the rotational speed upon addition is 800 to 1000rpm.
11. The method according to claim 7, wherein the rotational speed of the mixing dispersion in the step (2) is 1200 to 1500rpm.
12. The method according to claim 7, wherein the rotational speed of the mixing in the step (3) is 400 to 600rpm.
13. Use of the bamboo charcoal negative ion coating material according to any one of claims 1 to 6 in an interior wall of a building.
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