CN103289453B - Anti-bacteria deodorizing inorganic functional coating and preparation method thereof - Google Patents
Anti-bacteria deodorizing inorganic functional coating and preparation method thereof Download PDFInfo
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- CN103289453B CN103289453B CN201310283252.5A CN201310283252A CN103289453B CN 103289453 B CN103289453 B CN 103289453B CN 201310283252 A CN201310283252 A CN 201310283252A CN 103289453 B CN103289453 B CN 103289453B
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Abstract
The invention relates to anti-bacteria deodorizing inorganic functional coating and a preparation method thereof. The anti-bacteria deodorizing inorganic functional coating comprises a component A and a component B, wherein the component A contains an inorganic antibacterial agent. The coating produced by the method has high abrasion resistance, high adhesive force and high peel strength; hardness and hot hardness at high temperature are high and can reach to 9 hours; since the coating is compounded by inorganic materials of different particle diameters, crosslinking density is enhanced greatly, and density of the coating is increased; meanwhile, raw materials of different particle diameters are blended, so that gaps among raw materials of large particle diameters are filled, thermal stress dispersion among the raw materials of large particle diameters is absorbed and buffered by raw materials of small particle diameter, and thermal stress concentration of the raw materials of small particle diameter is resisted and isolated by the raw materials of large particle diameters; the coating is environment-friendly, green, free of VOC (volatile organic compounds), capable of inhibiting growth of bacteria and removing odor, and superior to other products in the same field.
Description
Technical field
The invention belongs to Material Field, be specifically related to a kind of antibacterial taste removal inorganic functional coating and preparation method thereof.
Background technology
As far back as 20 century 70s, European Section scholar points out after having carried out comprehensive system research to room air impact: in 500 gas chromatographies that air detects indoor, have more than 20 kind of carcinogens.Statistics in World Health Organization's " World Health Report ", the nearly half people in the whole world is in indoor pollution, the patient suffering from respiratory tract disease because of indoor environmental pollution accounts for 36% of world population, and chronic accounts for 23%, and trachitis, bronchitis and patients with lung cancer account for 17/1000ths.Upholstery association of China indoor pollution detects observation center and understands, and in numerous finishing material, toxic materials accounts for 68%, and can produce more than 300 kind of volatile organic compounds (VOC), and cause 30 various diseases, bringing out property cancer is the most outstanding.
Interior/exterior decoration material great majority are on the market organic materials or organic/inorganic composite material, they contain a large amount of VOC, as the toxic substance such as formaldehyde, benzene, easily fade after making moist, yellowing, mouldy, come off, and there is easily aging problem and inflammable potential safety hazard.Therefore research safety, building and ornament materials that are nontoxic, good weatherability become study hotspot, greatly develop demand and real needs that these type of building and ornament materials are epoch.
For deficiency of the prior art, be badly in need of a kind of inorganic paint of research, for the principal item of high-performance coating, multiple cross-linked reaction can be carried out by other ceramic in the hydroxyl of silicate, metal powder and base material and form firmly fine and close complex compound, there is excellent properties and the inorganic paint of VOC free pollution.
Summary of the invention
For above-mentioned deficiency of the prior art, the technical problem to be solved in the present invention is to provide a kind of antibacterial taste removal inorganic functional coating, have nonpoisonous and tasteless, environmental protection, security good, with low cost, can the feature of antibacterial taste removal.
To achieve these goals, the technical scheme that the present invention takes is:
A kind of antibacterial taste removal inorganic functional coating, coating is made up of component A and B component, wherein the raw material of component A and weight proportion as follows,
The zirconia powder 2-3% of stabilized with yttrium oxide;
Aluminum oxide powder 2-3%;
Silica flour 2-3%;
Carborundum powder 2-3%;
Carbon dust 3-5%;
Heavy calcium carbonate 10-20%;
Coral powder 1-2%;
Pearl powder 1-2%;
Kaolin 1-5%;
Wilkinite 1-5%;
Carbon fiber 0.5-0.8%;
Natvosol 0.5-0.8%;
Sodium hexametaphosphate 99 0.2-0.5%;
Zinc powder 5-10%;
Light calcium carbonate powder 10-20%;
Rutile type Titanium Dioxide 1-3%;
Talcum powder 5-10%;
Diatomite 5-10%;
Inorganic antiseptic 0.5-1%;
Retardant 0-0.3%;
Defoamer 0.2-1%; Deionized water surplus;
In above-mentioned A, component proportion sum is 100%;
Raw material and the weight proportion of B component are as follows,
Sodium silicate solution 10-20%;
Potassium silicate solution 30-40%;
Aluminium dihydrogen phosphate 1-5%;
Polynite gel 2-4%;
Potassium hydroxide aqueous solution 15-25%;
Deionized water surplus;
In above-mentioned B, component proportion sum is 100%;
The weight proportion of component A and B component is 1: 1-2.
Described heavy calcium carbonate and light calcium carbonate powder are 200-400 order; Described kaolin needs washing, calcines 1 hour, then grinds, be of a size of 300nm-500nm for 800 DEG C; Described wilkinite is containing SiO
2>=80%; Described carbon fiber is of a size of 100-200nm; Described Rutile type Titanium Dioxide, calcination loss 1%; Described talcum powder is containing SiO
2>=65%, be of a size of 200-400 order.
Described inorganic antiseptic be selected from bique powder, 0.5 ~ 2mol/L ammonium nitrate, 0.1 ~ 1mol/L zinc nitrate or 0.01 ~ 0.5mol/L Silver Nitrate, magnesium oxide or zinc oxide one or several.
Described potassium hydroxide aqueous solution weight percent concentration is 10%.
Described water glass and potassium silicate modulus are 3.0-3.5, and concentration is 40-45 degree Beaume, solids content 30-35%.
Described retardant is tartrate or Citrate trianion; Described defoamer is tributyl phosphate or is nonionic surfactants defoamer.
The preparation method of described coating, step is as follows:
(1) according to component proportion, by the container poured in alkali metal silicate solutions with whipping appts, add deionized water, 600r/min stirring at low speed 90min, silicate solutions is mixed;
(2) improve mixing speed to 2000r/min, aluminium dihydrogen phosphate, polynite gel, potassium hydroxide aqueous solution are added dropwise in step (1) gained solution; 1h under the mixing speed of 2000r/min, obtains B component;
(3) by the raw material in component A, be placed in closed reactor according to proportioning, under the rotating speed of 1500rpm, stir 2 hours, then add deionized water, 50 DEG C of constant temperature, ball mill grinding 5 hours;
(4) add B component, at 40 DEG C, constant temperature stirs 10 hours with the rotating speed of 500rpm, obtains coating.
The base-material mainly silicate series of aqueous inorganic paint.Lithium silicate: be comparatively insoluble in water, should not obtain higher concentration, and energy higher temperature resistant, thermal strain is poor, and price is high.
Water glass: good film-forming property, soluble in water, very easily make coating, price is low, but is easily carbonized, and when single component makes coating, paint film water tolerance is very poor.
Potassium silicate: soluble in water, good film-forming property, price is medium.
Above-mentioned material self cure modulus order is: lithium silicate >=2, water glass >=4, potassium silicate >=6.As the potassium silicate that aqueous inorganic paint uses, when its modulus is 2.2 ~ 5, sticking power is best.Along with the raising of modulus, potassium silicate, water glass viscosity increase, and present unstable; And although lithium silicate is comparatively insoluble in water, be difficult to obtain higher concentration, but the stabilizing solution of 1 ~ 25 modulus can be obtained, easily precipitate during modulus < 2.2, loss of adhesion during modulus > 10, modulus performance 3.9 ~ 4.7 time is best.
Generally for some performance improving coating, some materials are also used to carry out modification to water glass, such as: in base-material, add a certain amount of colloidal sol, the water tolerance of its film is improved by the modulus improving water glass, water glass and synthetic resin emulsion compound use, to improve the water tolerance, snappiness etc. of coating, but only have them consistent on electrical property, the stability of guarantee mixed system, noly can then cause system gelation or breakdown of emulsion.
In coating, add other pigment outside the appropriate zinc powder of people, as silicon-dioxide or ferrophosphorus powder, make it to be scattered in inorganic zinc coating well, the be full of cracks of coating can be made to be inclined to and greatly reduce.
Inorganic antiseptic can be divided into metal ion type and the large class of oxide type two.Metal ion type refers to germ resistance metal ion (as Ag
+, Zn
2+, Cu
2+deng) be carried on the obtained inorganic antiseptic with antibiotic and sterilizing effect on various mineral carrier.Metal (as Hg, Cd, Pb etc.) toxicity due to some with antibacterial ability is comparatively large, and all with certain color, limits its use range.Oxide type refers to and utilizes N-type semiconductor material (as TiO
2, ZnO, Fe
2o
3, WO
3deng) under photocatalysis, make it have the inorganic antiseptic of antibiotic and sterilizing function.
Inorganic composite nano antibiotic paint have nontoxic to human-body safety, antibacterial and mouldproof ability is strong, antibacterial range is wide, smell is little, appearance color is shallow, Heat stability is good, water-fastness, the shelf lives is long, low price, the advantages such as wide material sources.
The application of coating:
1) construction pre-treatment: by level and smooth for the metope sand papering needing to coat;
2) modulation is coated with feed liquid: with electric drill, above-mentioned coating liquid is stirred 5-10 minute;
3) wall is criticized: the above-mentioned painting feed liquid modulated divided to put down for 1-3 time and pull on wall;
4) aftertreatment: after batch wall completes, the air-dry 2-3 hour of the wall criticized, makes pattern or lines afterwards, complete construction on metope.In whole construction process, temperature >=5 DEG C around metope, relative humidity≤85%.
beneficial effect
1, high-wearing feature: under hardness and high temperature, hot hardness is high, can reach 9 hours;
2, high adhesive force and stripping strength: because the inorganic materials being different-grain diameter is composite, enhance cross-linking density greatly, adds the density of coating; Simultaneously the raw material mixture of different-grain diameter, has filled up the space between Large stone raw material, and small particle size raw material absorbs the thermal stresses dispersion cushioned between Large stone, and Large stone raw material is resisted and the thermal stresses of having isolated small particle size raw material is concentrated;
3, environment-friendly and green, VOC free produces, can effective bacteria growing inhibiting, removes peculiar smell.
Embodiment
embodiment 1
A kind of antibacterial taste removal inorganic functional coating, coating is made up of component A and B component, wherein the raw material of component A and weight proportion as follows,
The zirconia powder 2% of stabilized with yttrium oxide;
Aluminum oxide powder 2%;
Silica flour 2%;
Carborundum powder 2%;
Oyster shell whiting 5%;
Heavy calcium carbonate 10%;
Coral powder 1%;
Pearl powder 1%;
Kaolin 1%;
Wilkinite 1%;
Carbon fiber 0.5%;
Natvosol 0.8%;
Sodium hexametaphosphate 99 0.2%;
Zinc powder 5%;
Light calcium carbonate powder 10%;
Rutile type Titanium Dioxide 1%;
Talcum powder 5%;
Diatomite 5%;
Inorganic antiseptic 0.5%;
Retardant 0.3%;
Defoamer 0.2%; Deionized water surplus;
In above-mentioned A, component proportion sum is 100%;
Raw material and the weight proportion of B component are as follows,
Sodium silicate solution 10%;
Potassium silicate solution 30%;
Aluminium dihydrogen phosphate 1%;
Polynite gel 2%;
Potassium hydroxide aqueous solution 15%;
Deionized water surplus;
In above-mentioned B, component proportion sum is 100%;
The weight proportion of component A and B component is 1: 1-2.
Described heavy calcium carbonate and light calcium carbonate powder are 200-400 order; Described kaolin needs washing, calcines 1 hour, then grinds, be of a size of 300nm-500nm for 800 DEG C; Described wilkinite is containing SiO
2>=80%; Described carbon fiber is of a size of 100-200nm; Described Rutile type Titanium Dioxide, calcination loss 1%; Described talcum powder is containing SiO
2>=65%, be of a size of 200-400 order.
Described potassium hydroxide aqueous solution weight percent concentration is 10%.
Described water glass and potassium silicate modulus are 4.0, and concentration is 40-45 degree Beaume, solids content 30-35%.
Described retardant is tartrate or Citrate trianion; Described defoamer is tributyl phosphate or is nonionic surfactants defoamer.
Described inorganic antiseptic be selected from bique powder, 0.5 ~ 2mol/L ammonium nitrate, 0.1 ~ 1mol/L zinc nitrate or 0.01 ~ 0.5mol/L Silver Nitrate, magnesium oxide or zinc oxide one or several.
The preparation method of described coating, step is as follows:
(1) according to component proportion, by the container poured in alkali metal silicate solutions with whipping appts, add deionized water, 600r/min stirring at low speed 90min, silicate solutions is mixed;
(2) improve mixing speed to 2000r/min, aluminium dihydrogen phosphate, polynite gel, potassium hydroxide aqueous solution are added dropwise in step (1) gained solution; 1h under the mixing speed of 2000r/min, obtains B component;
(3) by the raw material in component A, be placed in closed reactor according to proportioning, under the rotating speed of 1500rpm, stir 2 hours, then add deionized water, 50 DEG C of constant temperature, ball mill grinding 5 hours;
(4) add B component, at 40 DEG C, constant temperature stirs 10 hours with the rotating speed of 500rpm, obtains coating
embodiment 2
A kind of antibacterial taste removal inorganic functional coating, coating is made up of component A and B component, wherein the raw material of component A and weight proportion as follows,
The zirconia powder 3% of stabilized with yttrium oxide;
Aluminum oxide powder 3%;
Silica flour 3%;
Carborundum powder 3%;
Oyster shell whiting 10%;
Heavy calcium carbonate 15%;
Coral powder 2%;
Pearl powder 2%;
Kaolin 5%;
Wilkinite 5%;
Carbon fiber 0.8%;
Natvosol 0.8%;
Sodium hexametaphosphate 99 0.5%;
Zinc powder 10%;
Light calcium carbonate powder 15%;
Rutile type Titanium Dioxide 3%;
Talcum powder 5%;
Diatomite 5%;
Inorganic antiseptic 1%;
Defoamer 0.2%; Deionized water surplus;
In above-mentioned A, component proportion sum is 100%;
Raw material and the weight proportion of B component are as follows,
Sodium silicate solution 20%;
Potassium silicate solution 40%;
Aluminium dihydrogen phosphate 5%;
Polynite gel 4%;
Potassium hydroxide aqueous solution 25%;
Deionized water surplus;
In above-mentioned B, component proportion sum is 100%;
The weight proportion of component A and B component is 1: 1-2.
Described heavy calcium carbonate and light calcium carbonate powder are 200-400 order; Described kaolin needs washing, calcines 1 hour, then grinds, be of a size of 300nm-500nm for 800 DEG C; Described wilkinite is containing SiO
2>=80%; Described carbon fiber is of a size of 100-200nm; Described Rutile type Titanium Dioxide, calcination loss 1%; Described talcum powder is containing SiO
2>=65%, be of a size of 200-400 order.
Described potassium hydroxide aqueous solution weight percent concentration is 10%.
Described water glass and potassium silicate modulus are 4.0, and concentration is 40-45 degree Beaume, solids content 30-35%.
Described retardant is tartrate or Citrate trianion; Described defoamer is tributyl phosphate or is nonionic surfactants defoamer.
Described inorganic antiseptic be selected from bique powder, 0.5 ~ 2mol/L ammonium nitrate, 0.1 ~ 1mol/L zinc nitrate or 0.01 ~ 0.5mol/L Silver Nitrate, magnesium oxide or zinc oxide one or several.
The preparation method of described coating, step is as follows:
(1) according to component proportion, by the container poured in alkali metal silicate solutions with whipping appts, add deionized water, 600r/min stirring at low speed 90min, silicate solutions is mixed;
(2) improve mixing speed to 2000r/min, aluminium dihydrogen phosphate, polynite gel, potassium hydroxide aqueous solution are added dropwise in step (1) gained solution; 1h under the mixing speed of 2000r/min, obtains B component;
(3) by the raw material in component A, be placed in closed reactor according to proportioning, under the rotating speed of 1500rpm, stir 2 hours, then add deionized water, 50 DEG C of constant temperature, ball mill grinding 5 hours;
(4) add B component, at 40 DEG C, constant temperature stirs 10 hours with the rotating speed of 500rpm, obtains coating
performance test
1, anti-microbial property test
Testing method: HG/T3950-2007 antibiotic paint: appendix A antibiotic paint-Anti-microbial Performance Tests method
Table 1 test result
2, other performances of embodiment 1 coating
Other the performance test results of table 2
| Test event | Testing method | Test result |
| Abrasion resistance | GB/T 9756-2001 | 1000 not show-through materials |
| Grinability | JG/T 3049-1998 | <30% |
| Standard state cohesive strength | JG/T 3049-1998 | 0.54 |
| Cohesive strength after immersion | JG/T 3049-1998 | 0.41 |
| Condition in container | JG/T 3049-1998 | Without caking, evenly |
| Low-temperature storage stability | JG/T 3049-1998 | Unchanged, blade coating is without difficulty |
| Water tolerance | JG/T 3049-1998 | 48h is without exception |
| Alkali resistance | JG/T 3049-1998 | 24h |
| Application property | JG/T 3049-1998 | Blade coating is accessible |
Last it is noted that obviously, above-described embodiment is only for the application's example is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among the protection domain of the application's type.
Claims (1)
1. an antibacterial taste removal inorganic functional coating, is characterized in that: coating is made up of component A and B component, wherein the raw material of component A and weight proportion as follows,
The zirconia powder 2-3% of stabilized with yttrium oxide;
Aluminum oxide powder 2-3%;
Silica flour 2-3%;
Carborundum powder 2-3%;
Carbon dust 3-5%;
Heavy calcium carbonate 10-20%;
Coral powder 1-2%;
Pearl powder 1-2%;
Kaolin 1-5%;
Wilkinite 1-5%;
Carbon fiber 0.5-0.8%;
Natvosol 0.5-0.8%;
Sodium hexametaphosphate 99 0.2-0.5%;
Zinc powder 5-10%;
Light calcium carbonate powder 10-20%;
Rutile type Titanium Dioxide 1-3%;
Talcum powder 5-10%;
Diatomite 5-10%;
Inorganic antiseptic 0.5-1%;
Retardant 0-0.3%;
Defoamer 0.2-1%; Deionized water surplus;
Described inorganic antiseptic be selected from bique powder, 0.5 ~ 2mol/L ammonium nitrate, 0.1 ~ 1mol/L zinc nitrate or 0.01 ~ 0.5mol/L Silver Nitrate, magnesium oxide or zinc oxide one or several;
Described retardant is tartrate or Citrate trianion; Described defoamer is tributyl phosphate or is nonionic surfactants defoamer;
In above-mentioned A, component proportion sum is 100%;
Raw material and the weight proportion of B component are as follows,
Sodium silicate solution 10-20%;
Potassium silicate solution 30-40%;
Aluminium dihydrogen phosphate 1-5%;
Polynite gel 2-4%;
Potassium hydroxide aqueous solution 15-25%;
Deionized water surplus;
Water glass in described sodium silicate solution and potassium silicate solution and potassium silicate modulus are 3.0-3.5, and concentration is 40-45 degree Beaume, solids content 30-35%;
In above-mentioned B, component proportion sum is 100%;
The weight proportion of component A and B component is 1: 1-2.
2. coating according to claim 1, is characterized in that: described heavy calcium carbonate and light calcium carbonate powder are 200-400 order; Described kaolin needs washing, calcines 1 hour, then grinds, be of a size of 300nm-500nm for 800 DEG C; Described wilkinite is containing SiO
2>=80%; Described carbon fiber is of a size of 100-200nm; Described Rutile type Titanium Dioxide, calcination loss 1%; Described talcum powder is containing SiO
2>=65%, be of a size of 200-400 order.
3. coating according to claim 1, is characterized in that: described potassium hydroxide aqueous solution weight percent concentration is 10%.
4. the preparation method of any described coating of claim 1-3, it is characterized in that, step is as follows:
(1) according to component proportion, by the container poured in alkali metal silicate solutions with whipping appts, add deionized water, 600r/min stirring at low speed 90min, silicate solutions is mixed;
(2) improve mixing speed to 2000r/min, aluminium dihydrogen phosphate, polynite gel, potassium hydroxide aqueous solution are added dropwise in step (1) gained solution; 1h under the mixing speed of 2000r/min, obtains B component;
(3) by the raw material in component A, be placed in closed reactor according to proportioning, under the rotating speed of 1500rpm, stir 2 hours, then add deionized water, 50 DEG C of constant temperature, ball mill grinding 5 hours;
(4) add B component, at 40 DEG C, constant temperature stirs 10 hours with the rotating speed of 500rpm, obtains coating.
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| CN103709799B (en) * | 2013-12-13 | 2015-11-11 | 广州市维多纳环保科技有限公司 | Take potassium silicate as inorganic multifunctional coating of filmogen and preparation method thereof |
| CN103741545B (en) * | 2014-01-10 | 2016-01-27 | 大连工业大学 | A kind of antibacterial diatom soil matrix coating and its preparation method and application |
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| CN104789005A (en) * | 2015-04-29 | 2015-07-22 | 河南工业大学 | Environment-friendly silicate inorganic paint |
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| CN105315727B (en) * | 2015-11-23 | 2018-04-06 | 大美泰康（天津）生态科技有限公司 | The environmental multifunctional inorganic dry powder paint of releasable negative oxygen ion |
| JP6708893B2 (en) * | 2015-12-17 | 2020-06-10 | エムワイティシステム株式会社 | Aqueous coating and its manufacturing method |
| CN106009806B (en) * | 2016-05-19 | 2018-05-08 | 中国人民解放军武汉军械士官学校 | Composite ceramics coating and its preparation method and application |
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| CN109021751A (en) * | 2018-07-03 | 2018-12-18 | 合肥华盖光伏科技有限公司 | A kind of antibacterial inner wall paint and preparation method thereof |
| JP7096743B2 (en) * | 2018-09-13 | 2022-07-06 | 株式会社東芝 | Photocatalyst composite material, manufacturing method of photocatalyst composite material and photocatalyst device |
| CN109517414B (en) * | 2018-11-23 | 2021-06-29 | 郑州艾比利特节能科技有限公司 | Inorganic antibacterial coating and preparation method thereof |
| CN110172263A (en) * | 2019-04-19 | 2019-08-27 | 明久材料科技(深圳)有限公司 | Inorganic mineral coating and preparation method thereof |
| CN111004536B (en) * | 2019-11-28 | 2022-07-19 | 深圳航天科技创新研究院 | Antibacterial agent, preparation method thereof, coating, use method and application |
| CN110903712A (en) * | 2019-12-31 | 2020-03-24 | 安徽三棵树涂料有限公司 | Exterior wall fireproof coating without addition of anticorrosive mildew inhibitor and preparation method thereof |
| CN114806241A (en) * | 2021-06-07 | 2022-07-29 | 纽沃得复合建材（上海）有限公司 | Inorganic aluminum silicate solution hybrid ceramic coating and preparation method thereof |
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