CN103784334A - Pearlescent cosmetic with bactericidal power - Google Patents
Pearlescent cosmetic with bactericidal power Download PDFInfo
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- CN103784334A CN103784334A CN201410053450.7A CN201410053450A CN103784334A CN 103784334 A CN103784334 A CN 103784334A CN 201410053450 A CN201410053450 A CN 201410053450A CN 103784334 A CN103784334 A CN 103784334A
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Abstract
The invention discloses a pearlescent cosmetic composition with bactericidal power. The pearlescent cosmetic composition is characterized by comprising a flaky substrate and a plurality of titanium dioxide nanorods which are arranged at intervals and are formed on the flaky substrate, so that a nano-structured surface with roughness can be formed by the titanium dioxide nanorods of the pearlescent pigment, and then, a plurality of silver metal particles are deposited on each titanium dioxide nanorod and the flaky substrate respectively.
Description
Technical field
The invention belongs to pearlescent pigment field, relate to a kind of powder pigment, relate in particular to the germicidal metallic cover pearly-lustre of a kind of tool cosmetics.
Background technology
Pearlescent pigment has the pigment of giving gloss as goods Margarita, it is take transparent or translucent thin slice as core, adopt the film of special chemical technology in its coated one or more layers titanium dioxide in surface and the formation of other metal-oxide, in the time that irradiate light arrives pearlescent pigment interface, can produce reflected light and refracted light, after the transmission of part light, reflect again, between them, mutually interfere generation one to have relief pearly-lustre color.Do base material mainly with splitting greatly at present, the coating of titanium dioxide of the coated high refraction in outside, in the time that being irradiated on the pigment of this type, white light reflected by titanium dioxide layer segment, remaining light arrives at mica surface through (refraction) titanium dioxide layer, then part light is reflected again, is parallel to first reflection ray and leaves surface of pigments.The light wave of second light relatively has part with first light and is offset, according to the length difference of institute's route via, bias size difference.If crest and crest stack, trough and trough stack, will strengthen light wave.By apply the titanium dioxide of different-thickness on Muscovitum, can obtain from silvery white, through yellow, redness, blueness, until green (thickness is from low to high).Pearlescent pigment is widely used in the aspects such as paint, ink, coating, plastics, printing-ink, artificial leather, construction material, cosmetics, paper, packaging material, textile printing printing and dyeing, navigation.
But, natural mica has its defect as the matrix material of pearlescent pigment: (1) is although can obtain less thickness and larger radius-thickness ratio (General Requirements is greater than 50) by the mica sheet that wet grinding is ground and classification obtains, but conventionally there is wider thickness distribution scope (0.2-1 micron), be easy to like this affect the stability of plated film, be difficult for making the pearlescent pigment of homogeneous form and aspect; (2) when being coated after mica sheet with metal-oxide, aspect stratum and the edge gradient thickness of peeling off formation due to Muscovitum make light generation scattering phenomenon, have reduced pearlescent effect; (3) natural mica contains coloured foreign ions such as iron ion, needs to adopt very numerous and diverse and time-consuming operating procedure to remove these foreign ions.
In response to change and the demand of people's quality of life of environment, pearlescent pigment can not just be useful in general service as ornamental pigment again, but need there is multi-functional pearlescent pigment, along with environmental consciousness rising and the more and more continuous generation of many human civilizations disease, therefore product is except the coloured expression power of tool, also in response to possessing the functions such as anti-soil is antibacterial.
Therefore pearlescent pigment further can be prepared into coating and increase that it is functional, makes it have clean environment power, namely has the function of degradable organic pollutant, resolving harmful gas.Utilize titanium dioxide optical catalyst to carry out the depollution of environment and caused attention widely, aspect the raising of the preparation of titanium dioxide optical catalyst, photocatalytic activity, photocatalyst fixing, also carry out a large amount of research work, because titanium dioxide is a kind of large band gap quasiconductor, excite TiO 2 particles to need higher energy.Therefore, show high photocatalysis efficiency and antimicrobial efficiency, the ultraviolet ray intensity that excites TiO 2 particles is had relatively high expectations.But occurring in nature is very little from the uitraviolet intensity of sunlight.Even out of doors, ultraviolet ray intensity also can only reach 1 milliwatt/square centimeter left and right, and indoor ultraviolet ray intensity is just less, and its quantity instrument is microwatt/square centimeter.Therefore, make titanium dioxide optical catalyst in pearly coating, under lower ultraviolet ray intensity, there is the self-cleaning functions such as antibacterial, mildew-resistant, deodorization, degradable organic pollutant, resolving harmful gas by commercioganic tool using value.
The coating of preparing with pearlescent pigment further also can have effect of anti-bacterial and anti-fouling, to increase field and the market potential of product application, and as the paint on wall have the function of dustproof anti-soil, long-acting maintenance metope clean and tidy; Or while being applied in the ink of paper, be difficult for making the expression power of color not good because of being infected with of dust; Also or can be applicable to packaging material,, when sheathing foodstuff, food is difficult for occurring because microbial growth causes situation about addling.
When pearlescent pigment is prepared into coating and will has other effects in the past, add reagent that other antibacterial or anti-staining agent etc. have effect beyond tending to increase the function of coating, but additive adds the more, between additive, interrelated factor is larger, therefore presenting of effect more can not display, and the mode of this kind of blending can cause pearlescent pigment cannot show its characteristic and be difficult for maintaining the quality of colour of pearly coating.
In addition, the most widely used market of pearlescent pigment is exactly cosmetics, be applied in the cosmetics on skin, except possessing color expression power, the more important thing is and can not cause and stimulate and infect skin, therefore having antibacterial effect and gentle cosmetics, have again the color expression power of pearly-lustre simultaneously, is the advantage that cosmetics should possess.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide the germicidal pearly-lustre cosmetic composition of a kind of tool, its pearly-lustre cosmetic composition has the function of high-efficiency antimicrobial, anti-soil and clean environment power.
For achieving the above object, first the present invention provides a kind of tool germicidal pearly-lustre cosmetic composition, its pearly-lustre cosmetic composition comprises a flat substrates, how rice is excellent on its flat substrates surface, to be covered with multiple spaced titanium dioxide, how each titanium dioxide all deposit multiple silver particles on rice rod and flat substrates, form multiple titanium dioxide how rice rod how rice structure and there is lotus-effect, produce anti-soil and dustproof effect.
Wherein, described flat substrates can be natural mica sheet, synthetic mica sheet, sheet glass, flake aluminum, lamellar expanded perlite, aluminium sesquioxide, silicon dioxide etc., and the particle diameter of flat substrates is 2-800 micron, and thickness is 0.1-10 micron.
Wherein, described film-forming resin can be epoxy resin, acrylic resin, polyurethane resin, polycarbonate resin, polyorganosiloxane resin, vinyl polymer resins, polyether resin, amino resin or mylar etc.
Wherein, described flat substrates has full roughness Rz (DIN) between 5～500.
Wherein, described described flat substrates can be commercially available pearlescent pigment, can be YB103, YB205, YB219, YB300 or YB504 etc., and described commercially available pearlescent pigment is take any in mica sheet, sheet glass, flake aluminum, lamellar expanded perlite, aluminium sesquioxide and silicon dioxide as base material, wherein, the substrate surface of described any commercially available pearlescent pigment is coated with a kind of oxide in titanium dioxide, iron sesquioxide and silicon dioxide.
Wherein, described pearly-lustre cosmetic composition can be the preparation of fingernail glazing agent, lipstick, lip gloss, mascara, eye shadow or rouge.
Wherein, a described titanium dioxide how growth for rice rod highly can be 5～500 rice how, and different growth highly has different interference color, and the change color of described pearly-lustre cosmetic composition is as follows: being 5-80 how when rice as degree of growing tall, be blueness; How 80-100 when rice, be dark gold; How meter grow up is highly 110 time, is peony; Growing to 125 how when rice, is navy blue; Growing to 140 how when rice, is bottle green; By that analogy, afterwards with every 15 how rice of meter Cheng Chang height Sustainable Growth to 500 how, the color of described pearly-lustre cosmetic composition is with dark gold, peony, and navy blue, bottle-green circular order continues to change.
Beneficial effect of the present invention: the how rice structure that the multiple how rice of the present invention clavate becomes has anti-soil, dustproof effect, and how rice rod also has photocatalysis effect to the titanium dioxide forming, particularly, in the time that silver particles is deposited on titanium dioxide how rice rod is upper, can also further there is the photocatalytic activity of raising and antibacterial effect.
Accompanying drawing explanation
Figure mono-titanium sesquioxide is the schematic diagram of the coated pearlescent pigment of rice rod how
The schematic diagram of figure bis-metallic cover pearlescent pigments
On 500 times of SEM of figure tri-flat substrates distribution scenario, look enlarged drawing
On 50000 times of SEM of figure tetra-flat substrates surface microstructures, look enlarged drawing
The TEM cross section enlarged drawing of figure five flat substrates surface microstructures
The specific embodiment
The invention reside in a kind of pearlescent pigment is provided, what wherein in pearlescent pigment, use is flat substrates, this flat substrates can be natural mica sheet, synthetic mica sheet, sheet glass, flake aluminum, lamellar expanded perlite, aluminium sesquioxide, silicon dioxide etc., and the particle diameter of this flat substrates is 2-800 micron, thickness is 0.1-10 micron.In addition, be stressed that, the present invention is not if prior art is to apply one or more layers titanium dioxide and other metal-oxide to enable forming film on base material; And the present invention is the column titanium sesquioxide (Ti that utilizes multiple each intervals of growing on base material
2o
3) how rice is excellent, makes column titanium sesquioxide (Ti
2o
3) how a rice rod be arranged on base material, and recycle the preparation methoies such as reaction rate, response time and pH-value (pH) and control the how growth height of rice rod of titanium sesquioxide, use the color effect that determines pearlescent pigment; Wherein, titanium sesquioxide that the present invention forms a how shape for rice rod is the crystal formation approaching between cone and cylinder, but how the present invention limit the excellent crystal formation of rice; Then, control the growth height of quantity that how rice clavate becomes and each how rice rod according to preparation method, make the how rice rod on base material there is a full roughness Rz (DIN), the account form of this full roughness Rz (DIN) is: on flat substrates, get the average full roughness height of the excellent length of how rice of five samples, namely get five column TiO
2how the height of rice rod averaging, and obtain several meansigma methodss and can produce the value of a scope, this kind of preparation method makes the repeatability of pearlescent pigment color control improve and can not affect because of base material defectiveness as stated in the Background Art the characteristic of pearlescent pigment, and makes the application of this pigment more extensive.
Then, the present invention further provides a kind of pearlescent pigment of metallic cover, how rice rod is after the base material of pearlescent pigment for multiple titanium sesquioxides to utilize aforementioned preparation method to grow, add again slaine, to produce redox reaction, make titanium sesquioxide be oxidized to titanium dioxide, metal reduce and be deposited on each interval arrange titanium dioxide (TiO
2) how rice rod and titanium dioxide (TiO
2) how on the base material of the excellent compartment of rice, now pearlescent pigment forms the color of another kind of form and aspect, utilize the deposition results of different metal to change the color of pearlescent pigment, utilize the light interference effect of metal, make the color of pearlescent pigment increase the flash effect of another kind of metal.
Further illustrate, work as Ti
2o
3oxidoreduction becomes TiO
2and metallic is deposited on TiO
2how behind the excellent surface of rice, its Ti
2o
3how the height of rice rod can be because of some elementary errors distance of metallic size, in the present invention this slightly gap ignore, therefore, Ti
2o
3how the height of rice rod after growing up can be regarded as and TiO
2how meter excellent height is identical, and full roughness Rz (DIN) numerical value obtaining, will be with Ti
2o
3how the height of rice rod after growing up and determine therefore Ti
2o
3how rice rod and TiO
2full roughness Rz (DIN) numerical value how rice rod obtains can be regarded as identical.
In a preferred embodiment of the present invention, when reduction is at titanium dioxide when how the metal on rice rod and base material be silver-colored, this pearlescent pigment has antibacterial effect, and the main cause with antibacterial effect is, because how rice clavate become how a rice structure has full roughness, therefore can by how the area that increases of the full roughness of rice rod, make pearlescent pigment of the present invention there is the argent deposition effect of high area, also therefore improved the antibacterial effect of pearlescent pigment.The pearlescent pigment with high antibacterial effect can be applicable on cosmetics.In addition, except antibacterial effect, during with monolith substrate, how the rice clavate of growing up on base material become how a rice structure has lotus-effect, make pearlescent pigment there is dustproof anti-soil effect, can avoid dust to attach on pigment, cause the skin of health to cause allergy or infection because of dust, and also can avoid pigment to be excessively attached on skin, cause the situation of removing ornaments and formal dress difficult to occur.The germicidal pearly-lustre cosmetic composition of tool can be widely used on the preparation of fingernail glazing agent, lipstick, lip gloss, mascara, eye shadow or rouge.
In another preferred embodiment of the present invention, also can further the pearlescent pigment with antibacterial and dustproof anti-soil effect be prepared into coating, a kind of pearly coating with sterilization and dustproof stain resistance is provided.
And because titanium sesquioxide can form titanium dioxide by oxidation, therefore can utilize the reaction rate of controlling in experiment condition, response time and pH-value (pH) form titanium sesquioxide oxidation to have the how excellent crystal formation of rice of titanium dioxide of photocatalytic activity, as anatase titanium dioxide, be formed on the base material of pigment, make pearlescent pigment can there is photocatalysis effect, make pigment there is clean environment power, namely there is degradable organic pollutant, the function of resolving harmful gas, and when argent reduction is after titanium dioxide is how on rice rod and base material, due to silver-colored existence, can further improve photocatalytic activity.
Light-catalysed mechanism is mainly as titanium dioxide (TiO
2) photocatalyst is subject to being greater than after the irradiate light of titanium dioxide energy gap width, in its physical arrangement, the electrons of valency electricity band is excited to conductive strips, forms free electron, and the electronics of valency electricity band will form electric hole after being stimulated and departing from, thereby generation electronics-electric hole pair.Wherein electronics has reproducibility, electricity hole has oxidisability, hydroxide ion reaction on the meeting of electricity hole and titanium dioxide surface generates the very high hydroxide ion free radical of oxidisability, electrons and oxygen molecule are in conjunction with forming superoxide ion, active hydroxide ion free radical and superoxide ion can become carbon dioxide and water organic substance decomposing, and resolving harmful gas, use the effect that effectively reaches clean environment.
In addition, the titanium dioxide how rice body structure surface how rice rod forms, the wherein structure space between rice rod how, the light that makes to enter this how rice structure can't produce interferes and diffraction, thereby reduce the reflection that incident illumination causes due to refractive index difference, and there is antireflection ability, further promote photocatalysis effect.
Therefore also can further the pearlescent pigment with photocatalysis effect be prepared into coating, a kind of pearly coating with the peace and quiet power of environment is provided.
In addition, the present invention also can utilize commercially available pearlescent pigment (YB103, YB205, YB219, YB300, YB504 etc.) directly to grow up, and how rice rod is on commercially available pigment for titanium sesquioxide, obtain the pigment of different form and aspect colors, wherein commercially available pearlescent pigment can be any in mica sheet, sheet glass, flake aluminum, lamellar expanded perlite, aluminium sesquioxide and silicon dioxide for base material, and the substrate surface of any commercially available pearlescent pigment is coated with a kind of oxide in titanium dioxide, iron sesquioxide and silicon dioxide.
For specifically disclosing and confirm technical characterictic and the effectiveness of pearlescent pigment of the present invention, following embodiment is proposed in addition to advantage speciality of the present invention as directed.Following embodiment (1-8) is pearlescent pigment and the production method thereof of explanation different structure, and the preparation of pearly coating and application.
Embodiment 1: the present embodiment Ti Gong ー kind pearlescent pigment, its structure is:
(1), as shown in figure mono-, form on flat substrates 1 surface the Ti that multiple columnar intervals are arranged
2o
3how rice rod 2, flat substrates 1 can be natural mica sheet, synthetic mica sheet, sheet glass, flake aluminum, lamellar expanded perlite, aluminium sesquioxide, silicon dioxide etc., the particle diameter of flat substrates 1 can be 2-800 micron, thickness can be 0.1-10 micron, the present invention utilizes titanous chloride. aqueous hydrochloric acid solution slowly to drop in the solution that contains flat substrates 1, make titanous chloride. be hydrolyzed into titanium sesquioxide and be adsorbed on flat substrates 1, forming a Ti
2o
3how rice rod 2, wherein Ti
2o
3how rice rod 2 can be controlled Ti according to reaction rate, response time and pH-value (pH value)
2o
3how the height of rice rod 2, to form the pearlescent pigment of different colours, namely utilizes Ti
2o
3how the rice rod 2 height differences of growing up on flat substrates surface, the interference color that flat substrates surface is produced is also just different, and the form and aspect color that now pearlescent pigment presents is also just different.In the present embodiment, when titanium trichloride solution drips 8-12 hour, the pH value in course of reaction is controlled at 1.5-2.5, Ti
2o
3how rice rod 2 grow up be highly 60-80 how meter, and Ti
2o
3how the length that rice rod 2 is grown up and width are all how rice of 30-60, make multiple spaced column Ti
2o
3how rice rod 2 can form a rough surface, and have full roughness Rz (DIN) between 60-80, and can obtain a light blue pearlescent pigment on flat substrates 1 surface; According to Ti
2o
3how the different growth height of rice rod 2, its change color is as follows: when growing to 5-80 how when rice, be all light blue; 80-100 is how when rice, and the color of interference be gold; Grow to 110 how when rice, the color of interference be redness; Grow to 125 how when rice, the color of interference be blueness; Grow to 140 how when rice, the color of interference be green; By that analogy, Ti afterwards
2o
3how rice rod 2 continues again to grow up, with every 15 how rice of meter Cheng Chang height Sustainable Growth to 500 how, can be with gold, and redness, blueness, green circular order, the variation that produces different interference color.Preferably situation, Ti
2o
3how the growth of rice rod 2 highly can be 5～500 rice how, therefore has full roughness Rz (DIN) between 5～500.And pearlescent pigment is multiple Ti because surface forms
2o
3how the how rice structure of rice rod 2 and have lotus-effect, produces anti-soil and dustproof effect.
Embodiment 2: the pearlescent pigment of the present embodiment Ti Gong ー kind metallic cover, its structure is:
(1) as shown in Figure 2, the subsequent step of the embodiment 1 that continues, further provides another kind of pearlescent pigment.(2) utilize the Ti on the pearlescent pigment of embodiment 1
2o
3reproducibility, carry out, after redox reaction, making Ti with slaine
2o
3be oxidized to TiO
2, 4 of metallics are reduced and are deposited on TiO
2how on rice rod 3 and flat substrates 1; Wherein, slaine can be any one or more combination of the slaines such as gold chloride, chlorine molybdic acid, ruthenic chloride, Palladous chloride., radium chloride, iron chloride, copper nitrate and acid chloride.Then, according to using different metal particle 4 to be deposited on TiO
2how on rice rod 3 and flat substrates 1, can obtain the coated pearlescent pigment of different metal, for example, with aqueous solution of chloraurate, carry out after redox reaction, can obtain the coated pearlescent pigment of gold of a blueness, in addition, when carrying out after redox reaction with other slaines, can obtain a same color but the coated pearlescent pigment of different metal, when utilizing Ti
2o
3how the rice rod 2 height differences of growing up on pearlescent pigment surface, the interference color that pearlescent pigment surface produces just can be different, also difference (as described in Example 1) just of the form and aspect color that now pearlescent pigment presents; In addition, when further making Ti
2o
3be oxidized to TiO
2, multiple metallics are deposited on each titanium dioxide how on rice rod and flat substrates time, the TiO of the different height of growing up
2change color as follows: be that 5-80 is how when rice, by the light blue blueness that becomes as degree of growing tall; 80-100 is how when rice, and the color of interference becomes dark gold by gold; How meter grow up is highly 110 time, and the color of interference is for becoming peony by redness; Grow to 125 how when rice, the color of interference is for becoming navy blue by blueness; Grow to 140 how when rice, the color of interference becomes bottle green by green; By that analogy, TiO afterwards
2how a difference for rice rod the height of growing up, with every 15 how rice of meter Cheng Chang height Sustainable Growth to 500 how, can be with dark gold, peony, navy blue, bottle-green circular order, the variation that produces different interference color.Similarly, the pearlescent pigment of the present embodiment because surface forms multiple Ti
2o
3how rice rod 2 or TiO
2how the how rice structure of rice rod 3 and have lotus-effect, produces anti-soil and dustproof effect.
Embodiment 3: the present embodiment Ti Gong ー kind pearlescent pigment, its structure is:
(1) carry out in its surface Ti with commercially available pearlescent pigment (YB103, YB205, YB219, YB300, YB504 etc.)
2o
3how the reaction of rice rod is grown up, and controls Ti according to the time for adding of titanium trichloride solution
2o
3how meter excellent growth highly, is reacted after 8 to 12 hours, and pH value is controlled at 1.5-2.5, Ti
2o
3how to grow up be highly how rice of 60-80 to rice rod, and to have long be how rice of 30-60, wide be 30-60 how meter, and the Ti of multiple columnar interval arrangement
2o
3how rice is excellent, can form in its surface a rough surface, and have full roughness Rz (DIN) between 60-80, and can obtain Ti
2o
3coated pearlescent pigment, and pearlescent pigment because surface forms multiple Ti
2o
3how the how rice structure of rice rod and have lotus-effect, produces anti-soil and dustproof effect.
Then, (2) utilize the Ti on commercially available pearlescent pigment
2o
3reproducibility, carry out redox reaction with slaine, wherein slaine can be any one or more combination of the slaines such as gold chloride, chlorine molybdic acid, ruthenic chloride, Palladous chloride., radium chloride, iron chloride, copper nitrate and acid chloride, Ti
2o
3be oxidized to TiO
2, metallic is reduced and is deposited on TiO
2how on rice rod and base material, utilize the deposition results of different metal to change the color of pearlescent pigment, utilize the light interference effect of metal, make the color of pearlescent pigment increase the flash effect of another kind of metal, for example, carry out in its surface Ti with pearlescent pigment YB103
2o
3how rice rod reacts after growth, can obtain a light blue pearlescent pigment, carry out after redox reaction with chlorauric acid solution afterwards, can obtain the coated pearlescent pigment of gold of a blueness, same, carry out after redox reaction with other above-mentioned slaines, also can obtain a blueness but the coated pearlescent pigment of different metal; Or, carry out in its surface Ti with pearlescent pigment YB205
2o
3how rice rod reacts after growth, can obtain a golden pearlescent pigment, carry out after redox reaction with chlorauric acid solution afterwards, can obtain a dark golden coated pearlescent pigment of gold, same, carry out after redox reaction with other above-mentioned slaines, also can obtain a dark golden but coated pearlescent pigment of different metal; Carry out in its surface Ti with pearlescent pigment YB219 again,
2o
3how rice rod reacts after growth, can obtain a purple pearlescent pigment, carry out after redox reaction with chlorauric acid solution afterwards, can obtain the coated pearlescent pigment of gold of a purple, same, carry out after redox reaction with other above-mentioned slaines, also can obtain a purple but the coated pearlescent pigment of different metal; Moreover, carry out in its surface Ti with pearlescent pigment YB300
2o
3how rice rod reacts after growth, can obtain a golden pearlescent pigment, carry out after redox reaction with chlorauric acid solution afterwards, can obtain the coated pearlescent pigment of gold of a gold, same, carry out after redox reaction with other above-mentioned slaines, also can obtain a gold but the coated pearlescent pigment of different metal; In addition, carry out in its surface Ti with pearlescent pigment YB504
2o
3how rice rod reacts after growth, can obtain a brown pearlescent pigment, carry out after redox reaction with chlorauric acid solution afterwards, can obtain the coated pearlescent pigment of gold of a rufous, same, carry out after redox reaction with other above-mentioned slaines, also can obtain a rufous but the coated pearlescent pigment of different metal.The variation of the different interference color that embodiment 3 gives an example, is all based on Ti
2o
3how how meter grow up be highly in 60-80 situation, if further increase Ti to rice rod again
2o
3how rice rod is grown up highly, the variation that can produce another interference color.In addition, pearlescent pigment because surface forms multiple TiO
2how the how rice structure of rice rod and have lotus-effect, produces anti-soil and dustproof effect.
Embodiment 4: the coated pearlescent pigment of the present embodiment Ti Gong ー Zhong Silver, its structure is:
(1) the continue subsequent step of embodiment 1, further provides another kind of pearlescent pigment.(2) utilize the Ti on the pearlescent pigment of embodiment 1
2o
3reproducibility, carry out redox reaction with slaine, wherein slaine is silver nitrate, Ti
2o
3be oxidized to TiO
2, argent is reduced and is deposited on TiO
2how on rice rod and flat substrates, now pearlescent pigment forms the color of another kind of form and aspect, obtains the coated pearlescent pigment of silver of a blueness, and pearlescent pigment because surface forms multiple Ti
2o
3how rice rod or TiO
2how the how rice structure of rice rod and there is lotus-effect, produce anti-soil and dustproof effect, and there is full roughness Rz (DIN) value, and on multiple how meter rod, form again the rough surface of multiple silver particles, cause the surface area of silver particles to increase, cause antibacterial effect promoting.
As shown in Figure 3, it is the situation that flat substrates distributes, the thickness of each plate substrate be about 700 how rice between 1 micron; As shown in Figure IV, be the SEM top view of the lip-deep microstructure of each flat substrates in figure tri-; Can find out Ti by figure tetra-
2o
3how rice rod becomes TiO through oxidoreduction
2how the distribution scenario after rice rod, forms multiple column TiO
2how the excellent each interval of rice is arranged in the structure on flat substrates, and make to form on flat substrates surface a rough surface, and there is full roughness Rz (DIN) between 60-80, and TiO
2how to have long be how rice of 30-60 to a rice rod, wide be 30-60 how meter, wherein each column TiO
2how the excellent surface of rice also deposits multiple metallics, and its metallic is silver particles, makes flat substrates and each column TiO
2how on the excellent surface of rice, covered metallic.
As shown in Figure 5, TiO
2how the rice rod height L1 that grows up is how rice of 60-80, and can be by each column TiO
2how the excellent surface of rice is found out has the multiple metallics of deposition, and its metallic is silver particles.
Under one preferred case, full roughness Rz (DIN) is between 60-80, TiO
2how rice rod is cylinder, and therefore, under the unit are of one side flat substrates, silver surface is long-pending can increase by 80～91%, and antibacterial effect can great Fu amplitude be increased.
Except increasing, silver surface is long-pending can be increased antibacterial effect, the configuration of antimicrobial surface (as titanium dioxide how rice clavate become coarse how rice body structure surface) be also one of factor increasing antibacterial effect, utilize TiO
2how the structure space between rice rod, forms a passage, while making silver particles in passage dissociate silver ion, can discharge by passage, makes its silver ion scope that produces a high local concentrations, has the effect that reduces antibacterial required time.
Embodiment 5: the preparation method of the coated pearlescent pigment of the present embodiment Ti Gong ー kind argent, its production method comprises the following steps: (particle diameter is 10-60 micron to (1) 60 gram of Muscovitum, water content 33%) in 500 ml waters, stir and suspend and under nitrogen environment, be heated to 50-80 degree, and regulate pH value of water solution to equal 1.5-2.5; (2) speed of dripping with 4-10 per second adds 10-20% titanous chloride. aqueous hydrochloric acid solution, and regulate pH value and maintain pH between 1.5-2.5 with sodium hydrate aqueous solution simultaneously, reaction is carried out 8 to 12 hours, after dropwising, under 50-80 degree, continue to stir 30 minutes, titanous chloride. is hydrolyzed into titanium sesquioxide and is adsorbed in the laminated structure of Muscovitum, forms the how rice rod of multiple spaced titanium sesquioxides in laminated structure, Ti
2o
3how to grow up be highly how rice of 60-80 to rice rod, and to have long be how rice of 30-60, wide be 30-60 how meter, and the Ti of multiple columnar interval arrangement
2o
3how rice is excellent, can form in its surface a rough surface, and have full roughness Rz (DIN) between 60-80, and can obtain Ti
2o
3coated light blue pearlescent pigment, makes Ti if further continue reaction
2o
3how a growth for rice rod highly increases, will produce as described in embodiment 1 with gold, redness, blueness, the circular order of green, the variation of generation interference color.Preferably situation, Ti
2o
3how the growth of rice rod 2 highly can be 5～500 rice how, therefore has full roughness Rz (DIN) between 5～500.And pearlescent pigment is multiple Ti because surface forms
2o
3how rice rod or TiO
2how the how rice structure of rice rod and have lotus-effect, produces anti-soil and dustproof effect; (3) filter and wash; (4) again dispersing and filtering thing to water, under nitrogen environment, be heated to 50-80 degree, slowly add 20 milliliters of silver nitrate aqueous solutions of 5-10% (g/ml) and stir 1-3 hour, how rice rod carries out redox reaction with silver nitrate aqueous solution to titanium sesquioxide, makes Ti
2o
3be oxidized to TiO
2, obtain each titanium dioxide and how on rice rod and flat substrates, all deposit multiple silver particles, the TiO of the different height of growing up
2change color as follows: be that 5-80 is how when rice, by the light blue blueness that becomes as degree of growing tall; 80-100 is how when rice, and the color of interference becomes dark gold by gold; How meter grow up is highly 110 time, and the color of interference is for becoming peony by redness; Grow to 125 how when rice, the color of interference is for becoming navy blue by blueness; Grow to 140 how when rice, the color of interference becomes bottle green by green; By that analogy, TiO afterwards
2how a difference for rice rod the height of growing up, with every 15 how rice of meter Cheng Chang height Sustainable Growth to 500 how, can be with dark gold, peony, navy blue, bottle-green circular order, the variation that produces different interference color; (5) filter, wash and be dried.
Embodiment 6: the present embodiment Ti Gong ー kind has the pearly coating of the peace and quiet power of environment, and its production method comprises the following steps: (1) continue subsequent step of embodiment 1, embodiment 2 or embodiment 4, is forming multiple TiO
2how after the pearlescent pigment of the how rice structure of rice rod, how rice structure and TiO
2photocatalysis effect make preparation after pearly coating there is automatically cleaning effect, and pearlescent pigment because surface forms multiple TiO
2how the how rice structure of rice rod and have lotus-effect, produces anti-soil and dustproof effect, and because form multiple how rice rods on base material, makes surface area increase, even at lower ultraviolet ray intensity, still can show high photocatalysis effect, and work as TiO
2how the upper deposition of rice rod is covered with after silver particles, and the existence of silver particles has the effect of promoting photocatalytic activity, makes under visible ray, still can have a photocatalysis effect, further more promotes the peace and quiet power of environment.(2) add film-forming resin and additive to be modulated into coating, sample 1 as shown in table 2 proportioning and sample 2, film-forming resin can be epoxy resin, acrylic resin, polyurethane resin, polycarbonate resin, polyorganosiloxane resin, vinyl polymer resins, polyether resin, amino resin or mylar, additive can be any one or more combinations such as coalescents, defoamer, thickening agent, dispersant, anti-settling agent, levelling agent and wetting agent, and dispersant comprises polyacrylamide, polycarboxylate, polyethers alcohol amine salt etc.; Coalescents comprises Texanol ester alcohol, LusolvanFBH, Coasol, DBE-IB, DPNB, Dowanol pph etc.; Defoamer comprises silicone defoaming agent, polyether antifoam agent etc.; Thickening agent is cellulose ether and derivant thereof etc.Importantly pearlescent pigment is being prepared into after the coating with the peace and quiet power of environment, and the color variation of coating is little, and has on the whole the even color of uniform light.
And in application aspect, can extensively utilize at the doors structure coating of construction material, booth platform, indoor decoration etc., interior photocatalytic coating can be used for various indoor places, directly be coated on the interior wall substrate surfaces such as plasterboard, timber, wood fibre board, plastics, paint, composite, metal, ceramic tile, also can be coated on the furniture surfaces such as floor tile, light fixture, curtain, sanitary china sanitary equipment, produce sterilization, antibacterial and remove the air purification function such as organic pollution; In addition, also can use out of doors, as the vehicles such as automobile, bus and outdoor road surface, hard shoulder, edge, roadside, railing etc., can effectively absorb and decompose automobile exhaust or the pollution that outdoor environment causes, the application direction of the pollution therefore, the tail gas that is the more and more motor vehicle emissions of improvement being caused.
Embodiment 7: the present embodiment Ti Gong ー kind has the Zhu Guang Tu material of Kill bacterium power, and its production method comprises the following steps: (1) continue subsequent step of embodiment 4, will have silver and be coated TiO
2how the excellent pearlescent pigment of rice is prepared into coating.(2) add film-forming resin, additive and solvent to be modulated into coating, sample 2 as shown in table 2 proportioning, film-forming resin can be epoxy resin, acrylic resin, polyurethane resin, polycarbonate resin, polyorganosiloxane resin, vinyl polymer resins, polyether resin, amino resin or mylar, additive can be any one or more combinations such as coalescents, defoamer, thickening agent, dispersant, anti-settling agent, levelling agent and wetting agent, and dispersant comprises polyacrylamide, polycarboxylate, polyethers alcohol amine salt etc.; Coalescents comprises Texanol ester alcohol, LusolvanFBH, Coasol, DBE-IB, DPNB, Dowanol pph etc.; Defoamer comprises silicone defoaming agent, polyether antifoam agent etc.; Thickening agent is cellulose ether and derivant thereof etc.Importantly pearlescent pigment is being prepared into after the germicidal pearly coating of tool, and the color variation of coating is little, and has on the whole the even color of uniform light, and antibacterial function still has its effect.
Embodiment 8: the present embodiment is carried and supplied the germicidal pearly-lustre cosmetic composition of ー kind tool, and its production method comprises the following steps: (1) according to the experimental procedure of embodiment 4, and according to reaction rate, response time and pH value control TiO
2how the height of rice rod, how rice rod is to form the pearly-lustre cosmetic composition of different colours to make the titanium dioxide of the coated different height of growing up of pearlescent pigment, and at TiO
2how on rice rod and flat substrates, plated metal silver makes its tool antibacterial effect, wherein titanium dioxide how a growth for rice rod highly can be 5～500 rice how, and the TiO of the different height of growing up
2how the change color of rice rod is as follows: being 5-80 how when rice as degree of growing tall, be blueness; How 80-100 when rice, be dark gold; How meter grow up is highly 110 time, is peony; Growing to 125 how when rice, is navy blue; Growing to 140 how when rice, is bottle green; By that analogy, TiO afterwards
2how the excellent difference of rice is grown up highly, with every 15 how rice of meter Cheng Chang height Sustainable Growth to 500 how, the color of described pearly-lustre cosmetic composition can be with dark gold, peony, navy blue, bottle-green circular order, the variation that produces different interference color, obtain the germicidal pearly-lustre cosmetic composition of tool, can be applicable to the preparation of fingernail glazing agent, lipstick, lip gloss, mascara, eye shadow or rouge.
The antibacterial test chart of table 1
The formula table of table 2 pearly coating
The photocatalysis of table 3 pearly coating and antibacterial test table
1. experimental technique
The experimental technique of table 1 is with reference to " disinfection technology standard (2002 editions) " 2.1.8.3 minimal inhibitory concentration determination test (agar dilution), and experimental strain is escherichia coli and staphylococcus aureus.
2. experimental result
Two kinds of antibacterials at the growing state containing in the culture medium of sample in table 1, sample YB219 utilizes preparation method of the present invention on commercially available pearlescent pigment, to adsorb the how result of rice rod of multiple titanium sesquioxides, sample YB219Ag be utilize be adsorbed on titanium sesquioxide on commercially available pearlescent pigment how a rice rod be oxidized to how rice rod of titanium dioxide, and argent carries out reduction reaction and be deposited on the how result on rice rod of titanium dioxide, its antibacterial testing result is:
(1) three of sample YB219 concentration all can suppress escherichia coli, to the equal unrestraint effect of staphylococcus aureus.
(2) three of sample YB219Ag concentration all can suppress escherichia coli and staphylococcus aureus.
Result demonstration, the deposition of high area argent on base material, makes to suppress the growth of escherichia coli and staphylococcus aureus.
Table 2 is for being made into the formula table of pearly coating, and sample 1 for adding the TiO with photocatalysis effect in coating
2how the coated pearlescent pigment of rice rod, sample 2 for adding the TiO with photocatalysis effect in coating
2coated pearlescent pigment, and at TiO
2depositing silver particle on surface.
Result demonstration, as shown in table 3, the photocatalysis effect of sample 1 (does not add TiO with respect to matched group
2how rice rod), there is 85% Degradation Formaldehyde rate, and 80% carbon monoxide degradation rate, therefore can learn the present invention prepared there is high surface TiO
2the coating how coated pearlescent pigment of rice rod is prepared into, has high photocatalysis effect, and can produce the peace and quiet power of environment, therefore can learn, owing to having multiple TiO on pearlescent pigment surface
2how rice rod and form high surface and have the flat substrates of roughness, even if be prepared into coating, can not affect its TiO yet
2how the photocatalysis effect of rice rod; In addition, when further at TiO
2how rice rod is gone up after depositing silver particle, and as sample 2, the existence of silver particles has the effect of promoting photocatalytic activity, makes to have 93% Degradation Formaldehyde rate, and 90% carbon monoxide degradation rate, has further more promoted the peace and quiet power of environment.
Moreover sample 2 is because further increase the silver particles deposition of high surface, even by coated silver TiO
2how the excellent pearlescent pigment of rice is prepared into coating, and sample 2 has antibacterial effect too and can suppress escherichia coli and staphylococcus aureus.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. the germicidal pearly-lustre cosmetic composition of tool, it is characterized in that, described pearly-lustre cosmetic composition comprises a flat substrates, on described flat substrates surface, to be covered with how rice rod of multiple spaced titanium dioxide, described flat substrates has a full roughness Rz (DIN) between 5-500, and how each wherein said titanium dioxide all deposit multiple silver particles on rice rod and described flat substrates.
2. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, described flat substrates is any base material in mica sheet, sheet glass, aluminium sesquioxide, flake aluminum, lamellar expanded perlite and silicon dioxide.
3. the germicidal pearly-lustre cosmetic composition of tool according to claim 2, the particle diameter of described flat substrates is 2-800 micron, thickness is 0.1-10 micron.
4. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, described flat substrates is a commercially available pearlescent pigment, described commercially available pearlescent pigment is take any in mica sheet, sheet glass, flake aluminum, lamellar expanded perlite, aluminium sesquioxide and silicon dioxide as base material, wherein, the substrate surface of described any commercially available pearlescent pigment is coated with a kind of oxide in titanium dioxide, iron sesquioxide and silicon dioxide.
5. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, described pearly-lustre cosmetic composition is a kind of preparation in fingernail glazing agent, lipstick, lip gloss, mascara, eye shadow and rouge.
6. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, described titanium dioxide how a growth for rice rod be highly 5-80 how meter, and the color of described pearly-lustre cosmetic composition is blueness.
7. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, a described titanium dioxide how growth for rice rod be highly how rice of 80-100, and the color of described pearly-lustre cosmetic composition is gold deeply.
8. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, how meter a described titanium dioxide how growth for rice rod be highly 110, and the color of described pearly-lustre cosmetic composition is peony.
9. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, how meter a described titanium dioxide how growth for rice rod be highly 125, and the color of described pearly-lustre cosmetic composition is navy blue.
10. the germicidal pearly-lustre cosmetic composition of tool according to claim 1, how meter a described titanium dioxide how growth for rice rod be highly 140, and the color of described pearly-lustre cosmetic composition is bottle green, afterwards with every 15 how rice of meter Cheng Chang height Sustainable Growth to 500 how, color between the growth stage is with dark gold, peony, navy blue, bottle-green circular order continues to change.
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