CN1663387A - Slicon dioxide-cladding tourmaline and titanium dioxide particle composite antibacterial material, its preparation and application - Google Patents
Slicon dioxide-cladding tourmaline and titanium dioxide particle composite antibacterial material, its preparation and application Download PDFInfo
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- CN1663387A CN1663387A CN 200410006970 CN200410006970A CN1663387A CN 1663387 A CN1663387 A CN 1663387A CN 200410006970 CN200410006970 CN 200410006970 CN 200410006970 A CN200410006970 A CN 200410006970A CN 1663387 A CN1663387 A CN 1663387A
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- tourmaline
- titanium dioxide
- preparation
- dioxide granule
- composite antibacterial
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Abstract
The invention relates to a slicon dioxide-cladding tourmaline and titanium dioxide particle composite antibacterial material, its preparation and application, wherein the preparation comprises using nanometer or sub-micron silver-loaded tourmaline and titanium dioxide particles as carrier, coating a layer of silicon dioxde on the surface, the complex has three actions of antibiosis, infrared ray radiation and negative ions discharge of the healthy functional materials.
Description
Technical field
The present invention belongs to the preparation of inorganic compounding functional material and applied technical field, particularly relates to composite antibacterial material of coated with silica tourmaline and titanium dioxide granule and its production and use.
Background technology
Nano-TiO
2The ability that very strong ultraviolet screener is arranged is a kind of novel inorganic UV shield agent.Nano-TiO
2, nonirritant, not carcinogenic nontoxic to human body; The ultraviolet screener ability is strong; Skin there is tack, sweat proof, water-fast; No stink, strange taste, body are white; Good stability does not decompose under the high temperature, non-volatile; It is easy to originate etc., is the best ultraviolet light screener of cosmetics and textile.And semiconductor TiO
2Powder can produce the O useful to health when illumination is penetrated
2 -Ion.Airborne anion mainly is a negative oxygen ion, be inhaled into human body after, health is had good effect, so claim " airborne vitamin " again.
Tourmaline is a kind of silicate mineral, and its Main Ingredients and Appearance contains multiple elements such as Na, Fe, Mg, Al, Li, B, Si, and its developed by molecule formula is X
1Y
9B
3Si
6(OHF)
1, X represents one or more among Ca, Na, K, the Mn, and Y represents one or more among Mg, Fe, Al, Cr, Ti, the Li.1989, Japanese scholar Kubo found that first there is spontaneous electrode in tourmaline, had the electrostatic field phenomenon around the tourmaline particles.Tourmaline has nonvolatil spontaneous electrode, and under electric field action, hydrone generation electrolysis forms bioactive molecule H
3O
+, attract impurity, dirt in the water to purify water; OH
-Form anion with water molecules.Tourmaline also has sterilization, dedusting, deodorization.In addition, tourmaline has water-disintegrable, can produce the electromagenetic wave radiation in 4～14 microns far infrared zones, improves blood circulation.
Summary of the invention
It is good and can discharge the coated with silica tourmaline of anion and the composite antibacterial material of titanium dioxide granule that one of purpose of the present invention provides a kind of anti-microbial property.
Two of purpose of the present invention provides a kind of coated with silica has the tourmaline of silver and the composite antibacterial material of titanium dioxide granule at area load.
Three of purpose of the present invention provides the synthetic method that a kind of technology simply prepares the composite antibacterial material of coated with silica tourmaline and titanium dioxide granule.
Four of purpose of the present invention provides a kind of coated with silica has the composite antibacterial material of silver-colored tourmaline and titanium dioxide granule at area load synthetic method.
Five of purpose of the present invention provides a kind of coated with silica has the composite antibacterial material of silver-colored tourmaline and titanium dioxide granule at area load purposes.
The composite antibacterial material of coated with silica tourmaline of the present invention and titanium dioxide granule; be that the nanometer or the sub-micron tourmaline particle that will be adsorbed with silver mixed with titanium dioxide granule; coat the layer of silicon dioxide stratum granulosum on the surface of this hybrid particles then, obtain composite antibacterial material.
The weight ratio of titanium dioxide granule and tourmaline particle is 0.01: 1～0.5: 1 in the described material, is preferably 0.05: 1～0.2: 1.
Described coated with silica layer thickness is between 1nm～100m.
The particle diameter of described tourmaline particle and titanium dioxide granule is respectively 50nm～5 μ m.
Tourmaline particle surface in the described composite antibacterial material is adsorbed with silver salt.
The preparation method of the composite antibacterial material of coated with silica tourmaline with functions such as antibiotic, infrared radiation, release anions of the present invention and titanium dioxide granule may further comprise the steps:
(1). the preparation silver salt solution, its molar concentration is 0.01～1mol/L, is preferably 0.01～0.2mol/L.
(2). in the silver salt solution of step (1), making the weight percent concentration of tourmaline particle in the final solution is 5～40%, is preferably 5～25% with the tourmaline particle dispersed with stirring.10～60 ℃ of constant temperature, lucifuge, stirring be about 5 hours, and washing, drying obtain the tourmaline of negative Ag-bearing.
(3). the ethanolic solution of prepare silicon acid esters, its molar concentration is 0.01～5mol/L, is preferably 0.01～0.5mol/L.
(4). the preparation ethanol water, its concentration of volume percent is 1～99%, is preferably 5～20%.
(5). the tourmaline particle of the negative Ag-bearing of step (2) preparation is mixed with titanium dioxide granule, and the weight ratio of titanium dioxide granule and tourmaline particle is 0.01: 1～0.5: 1, is preferably 0.05: 1～0.2: 1.
(6). the hybrid particles of step (5) preparation is distributed in the ethanol water of step (4) preparation, the weight percent concentration that makes the hybrid particles in the solution is 5～40%, the pH that adds ammoniacal liquor accent solution is 9～12, the esters of silicon acis ethanolic solution that dropwise adds step (3) configuration reacts, making esters of silicon acis and powder particle (tourmaline, titanium dioxide mixture) weight ratio is 0.05: 1～10: 1, is preferably 0.2: 1～1: 1.Reacted then 3～6 hours, centrifugal, wash, be drying to obtain coated with silica tourmaline and titanium dioxide composite antibacterial material.
Esters of silicon acis involved in the present invention is ethyl orthosilicate, methyl silicate, positive silicic acid propyl ester or butyl silicate etc., is preferably ethyl orthosilicate.
Silver salt involved in the present invention is silver nitrate or silver thiosulfate etc.
The used tourmaline of the present invention is nanometer or submicron particle.
The used titanium dioxide of the present invention is submicron order anatase powder.
Coated with silica tourmaline of the present invention and titanium dioxide composite antibiosis functional material can add in fiber, textile, coating, plastics or the elastomeric material and use as antimicrobial health-care material.
Method of the present invention is the method for a kind of synthetic convenience, practicality, and basic raw material related among the present invention can obtain on market very easily.
The present invention is silver on the tourmaline area load, again with coated with silica on the tourmaline and titanium dioxide surface after the load, can strengthen the antibacterial action of tourmaline significantly, it is good and can discharge the inorganic composite antimicrobial material of anion, infrared radiation and antiultraviolet to obtain anti-microbial property.
Composite antibiosis functional material of the present invention adds inner core that is used for medical fabric and bedding, Chair cushion for car in the fiber etc. to, but also spun yarn is used for clothes or indoor decorative fabric etc.; Add to and can be used as the pollution that protective coating is avoided environment in the coating; Add in the shell of mobile phone, micro-wave oven, computer, phone etc., can effectively play the effect of electromagnetic shielding; Also can add among plastics or the elastomeric material in addition, build a kind of good ecotope, reduce transmission of disease and generation.
Embodiment
Embodiment 1:
With particle diameter is that the tourmaline particle dispersed with stirring of 50nm～1 μ m is in the aqueous solution of 0.1mol/L silver nitrate to molar concentration, and the weight percent concentration of tourmaline particle is 25% in the solution.10 ℃ of constant temperature, lucifuge, stirring 5 hours, washing, drying obtain the tourmaline of negative Ag-bearing.The titanium dioxide granule that with particle diameter is 50nm～1 μ m mixes with the tourmaline particle of load silver, and the weight ratio of titanium dioxide granule and tourmaline particle is 0.01: 1.This hybrid particles is distributed in the ethanol water, and the weight percent concentration that makes pressed powder in the solution is 12.5%.Fully stir down and with ammoniacal liquor the pH value is adjusted to 10, dropwise adding molar concentration then is the mixed solution of the ethyl orthosilicate ethanol of 0.1mol/L, and making ethyl orthosilicate and powder particle (tourmaline, titanium dioxide mixture) weight ratio is 0.05: 1.Fully stirred 6 hours centrifugal, washing, drying after dripping off again.Obtain coated with silica tourmaline and titanium dioxide composite antibacterial material, the coated with silica layer thickness is about 1nm.
Embodiment 2:
With particle diameter is that the tourmaline particle dispersed with stirring of 100nm～3 μ m is in the aqueous solution of 0.15mol/L silver nitrate to molar concentration, and the weight percent concentration of tourmaline particle is 20% in the solution.40 ℃ of constant temperature, lucifuge, stirring be about 5 hours, and washing, drying obtain the tourmaline of negative Ag-bearing.The titanium dioxide that with particle diameter is 50nm～2 μ m mixes with the tourmaline of load silver, and the weight ratio of titanium dioxide granule and tourmaline particle is 0.5: 1.This hybrid particles is distributed in the ethanol water, and the weight percent concentration that makes pressed powder in the solution is 12.5%.Fully stir down and with ammoniacal liquor the pH value is adjusted to 10, dropwise adding molar concentration then is the mixed solution of the methyl silicate ethanol of 0.1mol/L, and making methyl silicate and powder particle (tourmaline, titanium dioxide mixture) weight ratio is 10: 1.Fully stirred 6 hours centrifugal, washing, drying after dripping off again.Obtain coated with silica tourmaline and titanium dioxide composite antibacterial material, the coated with silica layer thickness is about 100nm.
Embodiment 3:
With particle diameter is that the tourmaline particle dispersed with stirring of 200nm～5 μ m is in the aqueous solution of 0.1mol/L silver thiosulfate to molar concentration, and the weight percent concentration of tourmaline particle is 25% in the solution.60 ℃ of constant temperature, lucifuge, stirring be about 5 hours, and washing, drying obtain the tourmaline of negative Ag-bearing.The titanium dioxide granule that with particle diameter is 200nm～5 μ m mixes with the tourmaline particle of load silver, and the weight ratio of titanium dioxide granule and tourmaline particle is 0.05: 1.This hybrid particles is distributed in the ethanol water, and the weight percent concentration that makes the pressed powder in the solution is 15%.Fully stir down and with ammoniacal liquor the pH value is adjusted to 11, dropwise adding molar concentration then is the mixed solution of the positive silicic acid propyl ester ethanol of 0.2mol/L, and making positive silicic acid propyl ester and powder particle (tourmaline, titanium dioxide mixture) weight ratio is 0.05: 1.Fully stirred 5.5 hours centrifugal, washing, drying after dripping off again.Obtain coated with silica tourmaline and titanium dioxide composite antibacterial material, the coated with silica layer thickness is 10nm.
Embodiment 4:
With particle diameter is that the tourmaline particle dispersed with stirring of 500nm～5 μ m is in the aqueous solution of 0.2mol/L silver nitrate to molar concentration, and the weight percent concentration of tourmaline particle is 30% in the solution.40 ℃ of constant temperature, lucifuge, stirring 5 hours, washing, drying obtain the tourmaline of negative Ag-bearing.The titanium dioxide that with particle diameter is 500nm～5 μ m mixes with the tourmaline of load silver, and the weight ratio of titanium dioxide granule and tourmaline particle is 0.3: 1.This hybrid particles is distributed in the ethanol water, the weight percent concentration that makes the hybrid particles in the solution is 30%, fully stir down and the pH value is adjusted to 10 with ammoniacal liquor, dropwise adding molar concentration then is the mixed solution of the ethyl orthosilicate ethanol of 0.1mol/L, and making ethyl orthosilicate and powder particle (tourmaline, titanium dioxide mixture) percentage by weight is 1: 1.Fully stirred 6 hours centrifugal, washing, drying after dripping off again.Obtain coated with silica tourmaline and titanium dioxide composite antibacterial material, the coated with silica layer thickness is 30nm.
Embodiment 5:
With particle diameter is that the tourmaline particle dispersed with stirring of 800nm～4 μ m is in the aqueous solution of 0.05mol/L silver nitrate to molar concentration, and the weight percent concentration of tourmaline particle is 10% in the solution.30 ℃ of constant temperature, lucifuge, stirring 4～5 hours, washing, drying obtain the tourmaline of negative Ag-bearing.The titanium dioxide granule that with particle diameter is 800nm～4 μ m mixes with the tourmaline particle of load silver, and the weight ratio of titanium dioxide granule and tourmaline particle is 0.5: 1.This hybrid particles is distributed in the ethanol water, and the weight percent concentration that makes the hybrid particles in the solution is 40%.Fully stir down and with ammoniacal liquor the pH value is adjusted to 11, dropwise adding molar concentration then is the mixed solution of the ethyl orthosilicate ethanol of 0.1mol/L, and making ethyl orthosilicate and powder particle (tourmaline, titanium dioxide mixture) weight ratio is 8: 1.Fully stirred 6 hours centrifugal, washing, drying after dripping off again.Obtain coated with silica tourmaline and titanium dioxide composite antibacterial material, the coated with silica layer thickness is 60nm.
Embodiment 6
The negative ion antibiotic nano load material of embodiment 1～5 preparation is carried out antibiotic detection.The anti-microbial property experiment is with reference to GB15981-1995, and Q/HDHKH002-2000 detection method and standard are carried out.Behind the testing sample sterilization and drying, 0.2ml bacterium bacterium to be measured liquid is evenly dripped on sample respectively, cover with film, put in the sterilization container, after placing 24 hours under 36 ℃ of temperature, the humidity 90%RH, add the 20ml eluent respectively, wash-out fully vibrates, switching NA medium carries out count plate, with antibacterial powder paint sample and ordinary powder coating in the same old way recovery bacterium number is calculated its bacteriostasis rate.Test result shows that antibiotic paint all reaches more than 96% the antibiotic rate of Escherichia coli and staphylococcus aureus, has good antibacterial performance.
Claims (9)
1. the composite antibacterial material of coated with silica tourmaline and titanium dioxide granule; it is characterized in that: described material is that the nanometer or the sub-micron tourmaline particle that are adsorbed with silver are mixed with titanium dioxide granule; coat the layer of silicon dioxide stratum granulosum on the surface of this mixture then, obtain composite antibacterial material.
2. material as claimed in claim 1 is characterized in that: the weight ratio of titanium dioxide granule and tourmaline particle is 0.01: 1～0.5: 1 in the described material.
3. material as claimed in claim 1 or 2 is characterized in that: the particle diameter of described tourmaline and titanium dioxide granule is respectively 50nm～5 μ m.
4. material as claimed in claim 1 is characterized in that: described coated with silica layer thickness is 1nm～100nm.
5. preparation method as each described composite antibacterial material of claim 1～4, it is characterized in that: described preparation method may further comprise the steps:
(1). the preparation silver salt solution, the molar concentration of silver salt solution is 0.01～1mol/L;
(2). in the silver salt solution of step (1), the weight percent concentration that makes tourmaline particle in the final solution is 5～40% with the tourmaline particle dispersed with stirring, and constant temperature, lucifuge, stirring, washing, drying obtain the tourmaline of negative Ag-bearing;
(3). the ethanolic solution of prepare silicon acid esters, its molar concentration are 0.01～5mol/L;
(4). the preparation ethanol water, its concentration of volume percent is 1～99%;
(5). the tourmaline particle of the negative Ag-bearing of step (2) preparation is mixed with titanium dioxide granule, and the weight ratio of titanium dioxide granule and tourmaline particle is 0.01: 1～0.5: 1;
(6). the hybrid particles of step (5) preparation is distributed in the ethanol water of step (4) preparation, the weight percent concentration that makes the hybrid particles in the solution is 5～40%, the pH that adds ammoniacal liquor accent solution is 9～12, the esters of silicon acis ethanolic solution that adds step (3) configuration reacts, and the weight ratio that makes esters of silicon acis and tourmaline and titanium dioxide granule mixture is 0.05: 1～10: 1; Reaction is finished, and is centrifugal, wash, be drying to obtain coated with silica tourmaline and titanium dioxide composite antibacterial material.
6. method as claimed in claim 5 is characterized in that: described esters of silicon acis is ethyl orthosilicate, methyl silicate, positive silicic acid propyl ester or butyl silicate.
7. method as claimed in claim 5 is characterized in that: described silver salt is silver nitrate or silver thiosulfate.
8. method as claimed in claim 5 is characterized in that: the particle diameter of described tourmaline and titanium dioxide granule is respectively 50nm～5 μ m.
9. purposes as each described composite antibacterial material of claim 1～4 is characterized in that: described composite antibacterial material adds in fiber, textile, coating, plastics or the elastomeric material and uses as antimicrobial health-care material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100069709A CN1299576C (en) | 2004-03-03 | 2004-03-03 | Slicon dioxide-cladding tourmaline and titanium dioxide particle composite antibacterial material, its preparation and application |
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|---|---|---|---|
| CNB2004100069709A CN1299576C (en) | 2004-03-03 | 2004-03-03 | Slicon dioxide-cladding tourmaline and titanium dioxide particle composite antibacterial material, its preparation and application |
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| CN1663387A true CN1663387A (en) | 2005-09-07 |
| CN1299576C CN1299576C (en) | 2007-02-14 |
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| CNB2004100069709A Expired - Fee Related CN1299576C (en) | 2004-03-03 | 2004-03-03 | Slicon dioxide-cladding tourmaline and titanium dioxide particle composite antibacterial material, its preparation and application |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376162C (en) * | 2005-09-13 | 2008-03-26 | 浙江大学 | Nanometer antibiotic powder and its prepn |
| CN101513188A (en) * | 2008-02-20 | 2009-08-26 | 北京亚都科技股份有限公司 | Bactericide and preparation method thereof |
| CN102060471A (en) * | 2010-11-29 | 2011-05-18 | 哈尔滨韩都电气石纳米科技发展有限公司 | Multifunctional tourmaline health-care material and preparation method thereof |
| CN102121174A (en) * | 2010-12-24 | 2011-07-13 | 北京美格赛斯无纺科技有限公司 | Nonwovens containing antibacterial and antiviral master batches and method and device for producing same |
| CN102154815A (en) * | 2010-12-24 | 2011-08-17 | 北京美格赛斯无纺科技有限公司 | Antibacterial antiviral non-woven fabric with electromagnetic shielding function and production method and device |
| CN104119800A (en) * | 2014-07-15 | 2014-10-29 | 三棵树涂料股份有限公司 | Special-effect heath indoor wall aqueous paint composition and preparation method thereof |
| CN105086522A (en) * | 2015-08-21 | 2015-11-25 | 攀钢集团攀枝花钢铁研究院有限公司 | Compactly-coated titanium dioxide and compact coating method |
| CN108246046A (en) * | 2018-01-25 | 2018-07-06 | 广州然益生物科技有限公司 | A kind of sterilizing and air-cleaning agent and its preparation method and application |
| CN109023585A (en) * | 2018-08-03 | 2018-12-18 | 巢湖市渔郎渔具有限公司 | A kind of antibiotic cleaning fishing net and preparation method thereof |
| CN111567956A (en) * | 2020-05-29 | 2020-08-25 | 邦威防护科技股份有限公司 | Medical protective clothing |
| CN113045879A (en) * | 2021-03-16 | 2021-06-29 | 漯河市瑞博塑胶有限公司 | High-tear-resistance PLA-PBAT composite degradable resin and preparation method and application thereof |
| CN115558331A (en) * | 2022-10-10 | 2023-01-03 | 厦门市环岛包装科技有限公司 | Environment-friendly water-based ink and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299889A (en) * | 2000-12-27 | 2001-06-20 | 东华大学 | Additive material for preparing efficient nanometer negative-oxygen ion health fiber |
| CN1413737A (en) * | 2002-09-26 | 2003-04-30 | 北京雅润泽科技有限公司 | Passive (hydroxide) anion generation material for indoor air purifying and its application |
-
2004
- 2004-03-03 CN CNB2004100069709A patent/CN1299576C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376162C (en) * | 2005-09-13 | 2008-03-26 | 浙江大学 | Nanometer antibiotic powder and its prepn |
| CN101513188A (en) * | 2008-02-20 | 2009-08-26 | 北京亚都科技股份有限公司 | Bactericide and preparation method thereof |
| CN102060471A (en) * | 2010-11-29 | 2011-05-18 | 哈尔滨韩都电气石纳米科技发展有限公司 | Multifunctional tourmaline health-care material and preparation method thereof |
| CN102060471B (en) * | 2010-11-29 | 2012-09-05 | 哈尔滨韩都电气石纳米科技发展有限公司 | Tourmaline health-care material and preparation method thereof |
| CN102121174A (en) * | 2010-12-24 | 2011-07-13 | 北京美格赛斯无纺科技有限公司 | Nonwovens containing antibacterial and antiviral master batches and method and device for producing same |
| CN102154815A (en) * | 2010-12-24 | 2011-08-17 | 北京美格赛斯无纺科技有限公司 | Antibacterial antiviral non-woven fabric with electromagnetic shielding function and production method and device |
| CN104119800A (en) * | 2014-07-15 | 2014-10-29 | 三棵树涂料股份有限公司 | Special-effect heath indoor wall aqueous paint composition and preparation method thereof |
| CN104119800B (en) * | 2014-07-15 | 2017-12-08 | 三棵树涂料股份有限公司 | Water-based coating compositions of special efficacy health indoor wall and preparation method thereof |
| CN105086522A (en) * | 2015-08-21 | 2015-11-25 | 攀钢集团攀枝花钢铁研究院有限公司 | Compactly-coated titanium dioxide and compact coating method |
| CN108246046A (en) * | 2018-01-25 | 2018-07-06 | 广州然益生物科技有限公司 | A kind of sterilizing and air-cleaning agent and its preparation method and application |
| CN109023585A (en) * | 2018-08-03 | 2018-12-18 | 巢湖市渔郎渔具有限公司 | A kind of antibiotic cleaning fishing net and preparation method thereof |
| CN111567956A (en) * | 2020-05-29 | 2020-08-25 | 邦威防护科技股份有限公司 | Medical protective clothing |
| CN113045879A (en) * | 2021-03-16 | 2021-06-29 | 漯河市瑞博塑胶有限公司 | High-tear-resistance PLA-PBAT composite degradable resin and preparation method and application thereof |
| CN115558331A (en) * | 2022-10-10 | 2023-01-03 | 厦门市环岛包装科技有限公司 | Environment-friendly water-based ink and preparation method thereof |
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