CN104017393A - Nano-zinc oxide coated sericite powder composite material and preparation method thereof - Google Patents
Nano-zinc oxide coated sericite powder composite material and preparation method thereof Download PDFInfo
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- CN104017393A CN104017393A CN201410259694.0A CN201410259694A CN104017393A CN 104017393 A CN104017393 A CN 104017393A CN 201410259694 A CN201410259694 A CN 201410259694A CN 104017393 A CN104017393 A CN 104017393A
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Abstract
The invention discloses a sericite/nano-zinc oxide composite material and a preparation method thereof. The composite material is characterized in that the surface of sericite powder is coated with nano-zinc oxide. The preparation method comprises the following step: adding calcium hydroxide or calcium oxide into a mixed system of the sericite powder and zinc sulfate solution so as to directly obtain the nano-zinc oxide coated sericite powder composite material. According to the method, the sericite which is taken as a base material is a natural mineral, so that the raw material is easily available, free of pollution and low in cost; the preparation process is simple, safe, reliable and easy to control; the obtained composite material is stable in quality, and has the good dispersibility in an organic solvent and also has the excellent ultraviolet resistance and the excellent antibacterial and deodorant performance. Thus, the composite material can be applied to the field of coatings, cosmetics and the like. The method has a good potential application value in the field of synthesis of the composite material or other related sciences.
Description
Technical field
The present invention relates to coated sericite in powder matrix material of a kind of nano zine oxide and preparation method thereof.
Background technology
Sericite is subspecies of white mica, has the silicate minerals of laminate structure, and structure clips by two-layer silicon-oxy tetrahedron the compound silica layer that one deck alumina octahedral forms.Outward appearance is translucent, is rich in the satin luster of texture.Cleavage can form sheet structure as thin as a wafer completely, there is very large length-to-diameter ratio (can reach more than 100), the laminate structure of this high length-to-diameter ratio makes sericite have soft smooth characteristic, can be used in makeup, strengthens the effect of its level and smooth, salubrious skin.
The standard chemical structural formula of sericite is KAl2[AlSi3O10] (0H) 2.Belong to the crystallographic system of singly having a rest.The sericite of sheet has the directional property of height in film, is generally arranged in parallel along parallel direction, overlapping up and down.In the time having rayed, can there is full-dull or interference.Meanwhile, because the cleavage of sericite is more complete, can form closely stacked dissociation face, this structure can reflect layer by layer to incident light, makes to see through light and reduces, and reflected light is interfered mutually.Therefore sericite has than the better ultraviolet screener ability of general inorganic materials.
These good character of sericite make it obtain application in a lot of fields, as the people such as Tao Hui (the pretty Zhang Jun of Tao Hui Chen Shuan, rubber industry, 2012,4) utilize stearic acid to carry out surface modification to sericite, the impact of research modification sericite consumption on cis-1,4-polybutadiene rubber performance; The people such as Gao Yanmin (Gao Yanmin, Wang Xiaoyan, Song Dongpo, Xi Liping.Jiangsu University of Science and Technology's journal (natural science edition), 2010,24,3) study the application on epoxy coating antiseptic property after sericite surface modification; The people such as Chen Jianwen (Chen Jianwen, plastics, 2003,32,6) have studied the application formula of sericite in rigid polyvinyl chloride, the problems such as processing parameter.As can be seen here, sericite has all obtained good application in a lot of fields.
But the natural color of sericite is canescence and malleable not, and this makes it all be restricted in very many-sided application, for example, while adding sericite in whitewash, can have a huge impact the outward appearance of product; In the makeup that brighten class, add and can affect equally result of use.Therefore it is very necessary developing the better sericite material of a kind of novel whiteness.
Nano zine oxide is a kind of polyfunctional new inorganic material.Its granular size is about 1～100 nanometer.Due to the granular of crystal grain, its Electronic Structure and crystalline structure change, and have produced the features such as the surface effects that macro object does not have, volume effect, quantum size effect and macroscopical tunnel effect and high-clarity, polymolecularity.It shows many specific functions at aspects such as catalysis, optics, magnetics, mechanics discovered in recent years, make it have important using value in many fields such as pottery, chemical industry, electronics, optics, biology, medicine, there is singularity and purposes that common zinc oxide cannot compare.The outstanding feature of Nano-class zinc oxide is that product pellet is nano level, has the dual nature of nano material and conventional oxidation zinc simultaneously.Compared with conventional oxidation zinc product, its specific surface area is large, chemically reactive is high, product fineness, chemical purity and particle shape can be adjusted as required, and have Photochemical effects and cover preferably ultraviolet performance, and its UV-preventing rate is up to 98%; Meanwhile, it also there is antibacterial bacteriostatic, a series of special performances such as the anti-enzyme of taste of dispelling.There is good ultraviolet-shielding type and superior antibacterial, bacteriostasis property, can give the functions such as sun-proof, antibacterial, deodorizing.
Hence one can see that, and we expect sericite to be combined with nano zine oxide to obtain a kind of material and not only can overcome the shortcoming of the whiteness deficiency of sericite own, and its uvioresistant performance can be promoted greatly, gives the functions such as this kind of material antibacterial and deodouring simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide coated sericite in powder matrix material of a kind of nano zine oxide and preparation method thereof, the method is to utilize sericite as matrix, in water solution system, nano zine oxide at its surface deposition one deck to several layers, this matrix material takes full advantage of the advantage of sericite and nano zine oxide, there is good uvioresistant performance, antibacterial and deodouring performance and sliding sense, and can increase its dispersiveness and whiteness in solution by changing both content.
Technical problem to be solved by this invention realizes by the following technical solutions:
The coated sericite in powder matrix material of a kind of nano zine oxide, it is characterized in that described nano zine oxide is coated on described sericite in powder surface, wherein nano zine oxide is (5-20) with the weight ratio of micron sericite in powder: 100, wherein zinc oxide particle diameter is 10-50nm, and sericite in powder particle diameter is 8-12um.
A preparation method for the coated sericite in powder matrix material of nano zine oxide, is characterized in that, its operation steps is as follows:
(1), take sericite in powder and water mix and blend;
(2), taking zinc sulfate is dissolved in the water;
(3), the solution of zinc sulfate of above-mentioned steps (2) acquisition is slowly added in the reaction system of step (1) to stirring reaction;
(4), in the reaction system of above-mentioned steps (3), add calcium hydroxide or calcium oxide, continuation stirring;
(5), the product of above-mentioned steps (4) acquisition is filtered to collection filter cake oven dry, the coated sericite in powder matrix material of acquisition nano zine oxide.
In above-mentioned preparation method, the mass ratio of sericite in powder and water is 1:(2.5-5.5); The volumetric molar concentration of solution of zinc sulfate is 0.5-1.5mol/L; The mass ratio of sericite in powder and zinc sulfate is 1:(0.05-0.2); The mass ratio of sericite in powder and calcium hydroxide or calcium oxide is 1:(0.01-0.05); Filter cake is dried at 100-200 DEG C.
The invention has the beneficial effects as follows:
1) the present invention utilizes sericite as matrix, in water solution system, nano zine oxide at its surface deposition one deck to several layers, this matrix material takes full advantage of the advantage of sericite and nano zine oxide, there is good uvioresistant performance, antibacterial and deodouring performance and sliding sense, and can increase its dispersiveness and whiteness in solution by changing both content;
2) in addition, because the reagent using in preparation process is conventional medicine, cheap being easy to get, the body material sericite of this utilization is natural mineral, raw material is easy to get, pollution-free and cost is lower, preparation process is simple and safe reliable, is easy to realize and controls, and constant product quality, the matrix material obtaining has good dispersiveness in organic solvent, can be applicable to coating, the fields such as makeup;
3) or other related science fields synthetic at matrix material have good potential using value.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1:
A preparation method for the coated sericite in powder matrix material of nano zine oxide, its concrete grammar is as follows:
The 800 order wet method sericites in powder that take 100g, add 250ml water to stir; Zinc sulfate 10g is dissolved in the water of 50ml; Under agitation solution of zinc sulfate is slowly splashed in the reactor that fills wet method sericite in powder; Continue to stir the calcium hydroxide that adds 2.7g after 1 hour; Continue to stir after 30 minutes and filter, at 100 DEG C, dry the wet method sericite in powder matrix material that obtains clad nano zinc oxide.
Embodiment 2:
The 800 order wet method sericites in powder that take 100g, add 250ml water to stir; Zinc sulfate 10g is dissolved in the water of 50ml; Under agitation solution of zinc sulfate is slowly splashed in the reactor that fills wet method sericite in powder; Continue to stir the calcium oxide that adds 2.7g after 1 hour; Continue to stir after 30 minutes and filter, obtain the wet method sericite in powder matrix material of clad nano zinc oxide 100 DEG C of oven dry.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. nano zine oxide/sericite in powder matrix material, is characterized in that described nano zine oxide is coated on described sericite in powder surface, and wherein nano zine oxide is (5-20) with the weight ratio of micron sericite in powder: 100.
2. matrix material as claimed in claim 1, is characterized in that, described zinc oxide, and its particle diameter is 10-50nm, described sericite in powder, its particle diameter is 8-12um.
3. the preparation method of matrix material as claimed in claim 1 or 2, is characterized in that, its operation steps is as follows:
(1), take sericite in powder and water mix and blend;
(2), taking zinc sulfate is dissolved in the water;
(3), the solution of zinc sulfate of above-mentioned steps (2) acquisition is slowly added in the reaction system of step (1) to stirring reaction;
(4), in the reaction system of above-mentioned steps (3), add calcium hydroxide or calcium oxide, continuation stirring;
(5), the product of above-mentioned steps (4) acquisition is filtered to collection filter cake oven dry, the coated sericite in powder matrix material of acquisition nano zine oxide.
4. preparation method as claimed in claim 3, is characterized in that, the mass ratio of described sericite in powder and water is 1:(2.5-5.5).
5. preparation method as claimed in claim 3, is characterized in that, the volumetric molar concentration of described solution of zinc sulfate is 0.5-1.5mol/L.
6. preparation method as claimed in claim 3, is characterized in that, the mass ratio of described sericite in powder and zinc sulfate is 1:(0.05-0.2).
7. preparation method as claimed in claim 3, is characterized in that, the mass ratio of described sericite in powder and calcium hydroxide or calcium oxide is 1:(0.01-0.05).
8. preparation method as claimed in claim 3, is characterized in that, described filter cake is dried at 100-200 DEG C.
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| CN104497639A (en) * | 2015-01-15 | 2015-04-08 | 荆门市磊鑫石膏制品有限公司 | Preparation method of zinc white composite powder |
| CN104945957A (en) * | 2015-06-29 | 2015-09-30 | 镇江纳微新材料科技有限公司 | Graphene-base all-band ultraviolet shielding material and preparation method thereof |
| CN105542518A (en) * | 2016-02-02 | 2016-05-04 | 安徽恒昊科技有限公司 | Modified high-whiteness sericite powder and preparation method thereof |
| CN106243783A (en) * | 2016-07-11 | 2016-12-21 | 滁州格锐矿业有限责任公司 | A kind of white pearlescent pigment preparation method based on sericite |
| CN107385890A (en) * | 2017-07-24 | 2017-11-24 | 安徽恒昊科技有限公司 | A kind of preparation method of sericite in powder ultraviolet light screener |
| CN107383422A (en) * | 2017-08-10 | 2017-11-24 | 安徽理工大学 | A kind of fly ash base composite and its preparation method and application |
| WO2018019595A1 (en) | 2016-07-29 | 2018-02-01 | Unilever N.V. | Habit modified crystals of zinc oxide |
| CN108852874A (en) * | 2018-07-19 | 2018-11-23 | 安徽恒昊科技有限公司 | A kind of sericite in powder for cosmetics |
| WO2019063222A1 (en) | 2017-09-29 | 2019-04-04 | Unilever N.V. | An antimicrobial composition |
| CN110283479A (en) * | 2019-08-02 | 2019-09-27 | 四川赛和新材料科技有限责任公司 | A kind of compound sericite of ultrawhite and preparation method thereof |
| CN110564183A (en) * | 2019-08-22 | 2019-12-13 | 魏军刚 | graphene-coated mica material and preparation method and application thereof |
| CN110775997A (en) * | 2019-09-30 | 2020-02-11 | 成都理工大学 | Serpentine loaded nano ZnO composite anti-ultraviolet agent and preparation technology thereof |
| CN110817931A (en) * | 2019-09-30 | 2020-02-21 | 成都理工大学 | Microcrystalline muscovite loaded nano ZnO composite uvioresistant agent and preparation technology thereof |
| CN110876689A (en) * | 2019-09-30 | 2020-03-13 | 成都理工大学 | Calcined kaolin loaded nano ZnO composite anti-ultraviolet agent and preparation technology thereof |
| CN110950373A (en) * | 2019-09-30 | 2020-04-03 | 成都理工大学 | Dickite-loaded nano ZnO composite uvioresistant agent and preparation technology thereof |
| CN111265414A (en) * | 2019-11-06 | 2020-06-12 | 成都理工大学 | Kaolinite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111297710A (en) * | 2019-11-06 | 2020-06-19 | 成都理工大学 | Muscovite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111439777A (en) * | 2019-11-06 | 2020-07-24 | 成都理工大学 | Sericite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
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| CN111557857A (en) * | 2019-11-06 | 2020-08-21 | 成都理工大学 | Serpentine loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111588646A (en) * | 2019-11-06 | 2020-08-28 | 成都理工大学 | Dickite-loaded nano ZnO composite uvioresistant agent and preparation method thereof |
| CN111732841A (en) * | 2020-06-12 | 2020-10-02 | 广西夏阳环保科技有限公司 | Preparation method of modified mica powder special for plastics and paint |
| CN116836578A (en) * | 2023-07-07 | 2023-10-03 | 天津大学 | Composite material and paint for mica/zinc oxide and marine anti-corrosion and anti-fouling coating |
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| CN106243783A (en) * | 2016-07-11 | 2016-12-21 | 滁州格锐矿业有限责任公司 | A kind of white pearlescent pigment preparation method based on sericite |
| WO2018019595A1 (en) | 2016-07-29 | 2018-02-01 | Unilever N.V. | Habit modified crystals of zinc oxide |
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| CN110950373A (en) * | 2019-09-30 | 2020-04-03 | 成都理工大学 | Dickite-loaded nano ZnO composite uvioresistant agent and preparation technology thereof |
| CN111557857A (en) * | 2019-11-06 | 2020-08-21 | 成都理工大学 | Serpentine loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111265414A (en) * | 2019-11-06 | 2020-06-12 | 成都理工大学 | Kaolinite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111467251A (en) * | 2019-11-06 | 2020-07-31 | 成都理工大学 | Calcined kaolin loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111557858A (en) * | 2019-11-06 | 2020-08-21 | 成都理工大学 | Illite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111297710A (en) * | 2019-11-06 | 2020-06-19 | 成都理工大学 | Muscovite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111588646A (en) * | 2019-11-06 | 2020-08-28 | 成都理工大学 | Dickite-loaded nano ZnO composite uvioresistant agent and preparation method thereof |
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| CN111439777A (en) * | 2019-11-06 | 2020-07-24 | 成都理工大学 | Sericite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111467251B (en) * | 2019-11-06 | 2022-08-05 | 成都理工大学 | Calcined kaolin loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111265414B (en) * | 2019-11-06 | 2022-08-05 | 成都理工大学 | Kaolinite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111297710B (en) * | 2019-11-06 | 2023-03-24 | 成都理工大学 | Muscovite loaded nano ZnO composite anti-ultraviolet agent and preparation method thereof |
| CN111588646B (en) * | 2019-11-06 | 2023-03-24 | 成都理工大学 | Dickite-loaded nano ZnO composite uvioresistant agent and preparation method thereof |
| CN111732841A (en) * | 2020-06-12 | 2020-10-02 | 广西夏阳环保科技有限公司 | Preparation method of modified mica powder special for plastics and paint |
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