CN107582422B - A kind of titanium dioxide/algal polysaccharides composite nanometer particle and its preparation method and application - Google Patents
A kind of titanium dioxide/algal polysaccharides composite nanometer particle and its preparation method and application Download PDFInfo
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Abstract
The invention discloses a kind of titanium dioxide/algal polysaccharides composite nanometer particles and preparation method and application.The method of the present invention is the following steps are included: algal polysaccharides are soluble in water, add nano-titanium dioxide ethyl alcohol suspension, regulation system pH range is 2-7 after mixing, it is reacted with ultraviolet light irradiation, after the reaction was completed, it separates slurries, is dry to get titanium dioxide/algal polysaccharides composite nanometer particle.Manufacturing cost of the invention is low, nano particle diameter distribution is concentrated, particle dispersion can be good, improves with the compatibility of oily phase, is applied to cosmetics, especially in sunscreen product, the anti-ultraviolet ability of product can be significantly improved, the high mars free radical that the algal polysaccharides in nano particle can also be generated with the photochemical catalysis activity of nano-titanium dioxide reacts, and eliminates damage of the free radical to skin, deficiency of the nano-titanium dioxide as sun-screening agent itself is improved, is enhanced product performance.
Description
Technical field
The invention belongs to composite nanometer particle technical fields, receive more particularly to a kind of titanium dioxide/algal polysaccharides are compound
Rice grain and its preparation method and application.
Background technique
In recent decades, with the destruction of atmospheric ozone layer, the amount that the ultraviolet light in sunlight reaches earth surface is rapid
Increase.As understanding of the people to the harm of ultraviolet light excessive exposure is increasingly deepened, the use of sunlight screening skin-protecting product is also increasing.
In various sun-screening agents, inorganic sunscreen-nano-titanium dioxide has good UV Absorption, scattering process, compares organic
The advantages that sun-screening agent is with high security, stability is good, transparency is high, irritation is small and widely used.
But since nano-titanium dioxide partial size is small (1-100nm), it is in thermodynamic instability state, by intermolecular Van der Waals
Power effect, easily generates reunion, influences the performance of its effect in formula, simultaneously because nano-titanium dioxide has very strong light
Chemical catalysis activity generates electron-hole pair, can react with water and oxygen after absorbing ultraviolet light, and generating has high activity
OH (hydroxyl free radical) and O2(oxygen radical), and it is some by the chain reaction of free radical generation hydrogen peroxide etc.
Column have the active product of Strong oxdiative, these substances can be generated with the organic matter of surrounding to react, and destroy the activity in sunscreen formulas
Substance can destroy skin histology when it is applied to human skin, cause erythema, inflammation.So to nano-titanium dioxide
Surface handled, with reduce free radical generation or in time remove production free radical, destroy the chain reaction of free radical,
With harm reduction.
Currently, the surface modification treatment of nano-titanium dioxide is concentrated mainly on the chemistry embedding of Al, Si compound, or benefit
Grafting processing is carried out with siloxanes, small organic molecule, these processing can effectively increase the dispersibility and oleophylic of nano-titanium dioxide
Property, increase its stability in formula, but can not effectively solve the photochemical catalysis activity of nano-titanium dioxide and generate
Free radical this defect.
Algal polysaccharides are a kind of multi-component mixtures, by different monosaccharide groups by glycosidic bond (generally C1,3- key and
C1,4- key) it is connected to form, it is the general name between alginic cell with intracellular contained various polymeric carbohydrates.Difference is come
Type, the quantity of its monosaccharide groups of the algal polysaccharides in source have difference.Entrained active function groups are in monosaccharide groups and its branch
Algal polysaccharides bring chemical property abundant.
Studies have shown that the fucose, activared carbon sulfur group etc. in algal polysaccharides have apparent effect to removing free radical.
Algal polysaccharides or a kind of excellent emollient, the active material being not only because in seaweed can form guarantor in conjunction with skin protein
Moist gel, and it can also form protective film on the surface of skin by aquation, prevent moisture from evaporating.Thus may be used
See, inherently a kind of safe and effective skin care raw material of algal polysaccharides.
Summary of the invention
To overcome nano-titanium dioxide, easily aggregation, weatherability be poor present in the real use, photochemical catalysis activity by force
The deficiencies of, the object of the present invention is to provide a kind of titanium dioxide/algal polysaccharides composite nanometer particle preparation methods.
A kind of titanium dioxide being prepared it is a further object of the present invention to provide above method/algal polysaccharides composite Nano
Particle.
Another object of the present invention is to provide a kind of above-mentioned titanium dioxide/algal polysaccharides composite nanometer particle in skin care item
Application, the especially application in sun-proof skin care product.
The purpose of the present invention is achieved through the following technical solutions:
A kind of preparation method of titanium dioxide/algal polysaccharides composite nanometer particle, comprising the following steps:
Algal polysaccharides are soluble in water, add nano-titanium dioxide ethyl alcohol suspension, after mixing regulation system pH model
It encloses for 2-7, is reacted with ultraviolet light irradiation, after the reaction was completed, separation slurries, drying are multiple to get titanium dioxide/algal polysaccharides
Close nano particle.
Above-mentioned titanium dioxide/algal polysaccharides composite nanometer particle preparation method, specifically includes the following steps:
1) algal polysaccharides are added to the water, are warming up to 80 DEG C, are completely dissolved algal polysaccharides, being configured to concentration is 0.1-
10% algal polysaccharides solution；
2) nano-titanium dioxide is added in ethyl alcohol, is configured to the nano-titanium dioxide that concentration is 0.5-20% and is suspended
Liquid is added in algal polysaccharides solution, stirs evenly；
3) pH 2) is adjusted to 2-7 using pH adjusting agent, and is set irradiation under ultraviolet lamp and is stirred to react 1-8 hours,
After the reaction was completed, dry titanium dioxide/algal polysaccharides composite nanometer particle.
Titanium dioxide of the invention/algal polysaccharides composite nanometer particle, based on parts by weight, the dosage formula of each reactant
It is as follows:
With parts by weight agent, the consumption proportion of the reactant is as follows:
Furthermore, with parts by weight agent, the consumption proportion of the reactant is as follows:
The algal polysaccharides are selected from algal polysaccharide, red seaweed polysaccharide, green algae polysaccharide, blue algae polysaccharide, and (processing including them produces
Object: alginic acid, fucoidin, sulfated polysaccharide, agar-agar, carragheen, xylan, glucan, mannosan, floridean starch, seaweed are fine
At least one of tie up element etc.).
The pH adjusting agent includes but is not limited to following raw material: citric acid, lactic acid, fumaric acid, metatartaric acid, malic acid,
At least one of tartaric acid, acetic acid, adipic acid etc., hydrochloric acid, sulfuric acid, nitric acid.
A kind of titanium dioxide being prepared the present invention provides above method/algal polysaccharides composite nanometer particle.
Titanium dioxide of the invention/algal polysaccharides composite nanometer particle is compared with existing nano-titanium dioxide, is being kept
While nano-titanium dioxide absorption, scatters ultraviolet performance, solve the problems, such as that nano-titanium dioxide dispersion performance is poor, easily assembles
And the deficiency of the injury caused by Skin Cell is generated free radicals under photochemical catalysis.
Titanium dioxide of the invention/algal polysaccharides composite nanometer particle can be applied in skin care item, especially sun-proof skin care
In product, improves the ability of its antiultraviolet and injury caused by titanium dioxide photochemical catalysis effect can be effectively reduced.
Compared with the existing technology, the invention has the advantages that and the utility model has the advantages that
1) the present invention overcomes inorganic nanoparticles to be difficult to disperse in use, easily assembles, inconvenient to use, effect
The defect of fruit difference, the present invention prepared by titanium dioxide/algal polysaccharides composite nanometer particle good dispersion, with the oily phase in formula
Material compatibility is good, in sunscreen product, is remarkably improved the anti-ultraviolet performance of product.
2) present invention wraps up titanium dioxide nanoparticle using algal polysaccharides, and the property of free radical is removed using algal polysaccharides
Can, the living radical that titanium dioxide generates effectively is removed, the photostability of product is improved.
3) present invention uses algal polysaccharides as embedding matrix, and algal polysaccharides abundance is cheap, safe and non-toxic.
Preparation process carries out at normal temperatures and pressures, simple process, high production efficiency.
Detailed description of the invention
Fig. 1 is titanium dioxide of the invention/algal polysaccharides composite nanometer particle and ordinary titanium dioxide infrared spectrogram.
Fig. 2 is after sodium alginate, titanium dioxide and titanium dioxide/algal polysaccharides composite nanometer particle are prepared into suntan lotion
Ultraviolet transmission spectrum figure.
Fig. 3 is the degradation rate curve of titanium dioxide and titanium dioxide/algal polysaccharides composite nanometer particle to methylene blue.
Specific embodiment
The present invention is effectively removed using nano-titanium dioxide absorption, the property of scatters ultraviolet using algal polysaccharides
The two is combined together by the characteristic of ultraviolet free radical by chemically reacting, and forms composite nanometer particle, is keeping nano-silica
While changing titanium to absorption, the scattering property of ultraviolet light, solves the problems, such as that nano-titanium dioxide dispersion performance is poor, easy assembles and light
The injury caused by Skin Cell is generated free radicals under chemical catalysis.
Titanium dioxide of the invention/algal polysaccharides composite nanometer particle preparation method, passes through algal polysaccharides and nanometer two
Titanium oxide generates the active function groups of nano-titanium dioxide and algal polysaccharides under the conditions of specific pH, through ultraviolet light
Chemical bond, to achieve the purpose that for nano-titanium dioxide to be wrapped in the algal polysaccharides of macromolecular, thus obtain titanium dioxide/
Algal polysaccharides composite nanometer particle.
In addition, titanium dioxide of the invention/algal polysaccharides composite nanometer particle is added in skin-protection product, such as sunscreen
In (frost), the sun-proof result of product can be significantly improved, the free radical energy as caused by the photochemical catalysis activity of titanium dioxide
It is removed in time, thus effective protection skin.
Below by way of specific preferred embodiment, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.The unit of following parts by weight can be g or kg.
Embodiment 1
A kind of preparation method of titanium dioxide/algal polysaccharides composite nanometer particle, comprising the following steps:
1) 25 parts by weight sodium alginates are taken, the water of 3000 parts by weight is added, are warming up to 80 DEG C, stirring keeps sodium alginate complete
Dissolution；
2) nano-titanium dioxide of 15 parts by weight is added in the ethyl alcohol of 100 parts by weight, is configured to weight percent concentration
For 15% suspension, above-mentioned sodium alginate soln is added, after mixing, will be mixed using 10% aqueous citric acid solution
The pH for closing liquid is adjusted to 4.2, is then irradiated, is stirred to react 2 hours with ultraviolet lamp, and reaction temperature is controlled at 50 DEG C；
3) liquid after the reaction was completed, is filtered off, takes solid 4 hours dry under conditions of 90 DEG C, both obtains titanium dioxide/seaweed
Polysaccharide composite nano particle.
Embodiment 2
A kind of preparation method of titanium dioxide/algal polysaccharides composite nanometer particle, comprising the following steps:
1) 20 parts by weight agar are taken, the water of 2500 parts by weight is added, are warming up to 80 DEG C, stirring is completely dissolved agar；
2) nano-titanium dioxide of 30 parts by weight is added in the ethyl alcohol of 200 parts by weight, is configured to weight percent concentration
For 15% suspension, above-mentioned agar solution is added, after mixing, using 2% aqueous hydrochloric acid solution by mixed liquor
PH is adjusted to 5.1, is then irradiated with ultraviolet lamp, is stirred to react 3 hours, and reaction temperature is controlled at 60 DEG C；
3) liquid after the reaction was completed, is filtered off, takes solid 4 hours dry under conditions of 90 DEG C, both obtains titanium dioxide/seaweed
Polysaccharide composite nano particle.
Embodiment 3
A kind of preparation method of titanium dioxide/algal polysaccharides composite nanometer particle, comprising the following steps:
1) 15 parts by weight sodium alginates are taken, the water of 3500 parts by weight is added, are warming up to 80 DEG C, stirring keeps sodium alginate complete
Dissolution；
2) nano-titanium dioxide of 40 parts by weight is added in the ethyl alcohol of 250 parts by weight, is configured to weight percent concentration
For 20% suspension, above-mentioned sodium alginate soln is added, after mixing, will be mixed using 20% aqueous acetic acid
The pH of liquid is adjusted to 5.5, is then irradiated with ultraviolet lamp, is stirred to react 2.5 hours, and reaction temperature is controlled at 60 DEG C；
3) liquid after the reaction was completed, is filtered off, takes solid 4 hours dry under conditions of 90 DEG C, both obtains titanium dioxide/seaweed
Polysaccharide composite nano particle.
Effect application test example
The titanium dioxide prepared using the embodiment of the present invention 1/algal polysaccharides composite nanometer particle and common nanometer titanium dioxide
Titanium prepares suntan lotion by 1 formula of table.
The sun-proof paste formulation of table 1 (unit: weight percent, %)
The preparation process of suntan lotion of the present invention is as follows:
1) by A heat phase to 85 DEG C, stirring and dissolving keeps the temperature 15 minutes；
2) common commercially available titanium dioxide nanoparticle and atoleine are stirred evenly, B Xiang Zhongyu surplus stock one is added
It is same to be heated to 85 DEG C.(titanium dioxide/algal polysaccharides composite nanometer particle is directly heated with B phase component)；
3) under constant stirring, A is added in B phase, continues to stir, is cooled to 40 DEG C, C phase, discharging is added
In addition, two groups of samples are carried out crowd's investigation (sample number 100) on probation, it the results are shown in Table 2.
2 crowd of table tries out investigation result
As can be seen from Table 2, being received using titanium dioxide prepared by the present invention/algal polysaccharides composite nanometer particle with commonly commercially available
Suntan lotion prepared by rice titanium dioxide granule all obtains better in sun-proof result, skin allergy situation, overall feeling on probation
Evaluation, reaches the purpose of the present invention.
Fig. 1 is the infrared spectrogram of the resulting composite nanometer particle of the invention patent embodiment 1, compares before modified common
Nano-titanium dioxide spectrogram, in modified titanium dioxide infrared spectrogram, 2923cm-1There is new absorption peak in place, this is
Caused by stretching vibration as methyl C-H, this absorption peak can illustrate in titanium dioxide after modification containing sodium alginate
Nonpolar moiety；1624cm-1The absorption peak at place is the stretching vibration peak of C=O, this can illustrate sodium alginate and nanometer titanium dioxide
It is reacted between titanium；1463cm-1And 1323cm-1The absorption peak at place is the symmetrical of sodium alginate-COO respectively and not right
Claim stretching vibration peak, this can prove the interaction between sodium alginate and nano-titanium dioxide there is chemical bond.From changing
In the comparative analysis of infrared spectrogram before and after property, it may be said that bright sodium alginate has successfully been modified nano-titanium dioxide.
The obtained composite nanometer particle of Fig. 2 the invention patent embodiment 1, sodium alginate, common nanometer titanium dioxide difference
After being mixed with basic lotion, in the transmission spectrum of the ultra-violet bands of 280-400nm.
As it is clear from fig. 2 that sodium alginate, nano-titanium dioxide and composite nanometer particle are provided with certain ultraviolet screener effect
Fruit, under the conditions of identical additive amount, the effect by the made composite nanometer particle shielding ultraviolet rays of the embodiment of the present invention 1 is far high
In common nano-titanium dioxide and sodium alginate, the analysis of causes is as follows:
Composite nanometer particle of the invention is grafted on the sodium alginate of macromolecular, overcomes titanium dioxide nanoparticle
Aggregation, keeps nano-titanium dioxide fully dispersed, absorption efficiency increases substantially.
Fig. 3 is the result of the photocatalytic degradation methylene blue of the obtained composite nanometer particle of the invention patent embodiment 1.
Experimental method is as follows:
Measuring samples and certain density methylene blue solution are fitted into quartz, are stirred to react a timing under light illumination
Between, supernatant is then removed, the concentration of supernatant Methylene Blue is measured, the variation of methylene blue concentration is summarized according to supernatant,
The degradation situation of counting system Methylene Blue, and then the degradation rate of methylene blue is calculated.
As seen from Figure 3, it is substantially reduced by 1 resulting composite nanometer particle its photocatalytic activity of embodiment, when 60min, is received
Rice titanium dioxide is 38% to the degradation rate of methylene blue, and the degradation rate of composite nanometer particle is 8%, and is opened from 40min
Begin, degradation rate does not change substantially, illustrates that composite particles can effectively remove free radical, it is living to reduce nano titanium dioxide photocatalysis
Property.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, therefore
Without departing from the technical solutions of the present invention, to the above embodiments according to the technical essence of the invention any simply to repair
Change, equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. a kind of titanium dioxide/algal polysaccharides composite nanometer particle preparation method, which comprises the following steps: sea
Polysaccharides are soluble in water, add nano-titanium dioxide ethyl alcohol suspension, use pH adjusting agent regulation system pH model after mixing
It encloses for 2-7, is reacted with ultraviolet light irradiation, after the reaction was completed, separation slurries, drying are multiple to get titanium dioxide/algal polysaccharides
Close nano particle；
With parts by weight agent, the consumption proportion of the reactant is as follows:
2. titanium dioxide according to claim 1/algal polysaccharides composite nanometer particle preparation method, it is characterised in that:
With parts by weight agent, the consumption proportion of the reactant is as follows:
3. titanium dioxide according to claim 1/algal polysaccharides composite nanometer particle preparation method, it is characterised in that:
The algal polysaccharides are selected from least one of algal polysaccharide, red seaweed polysaccharide, green algae polysaccharide, blue algae polysaccharide or their processing produces
Object.
4. titanium dioxide according to claim 3/algal polysaccharides composite nanometer particle preparation method, it is characterised in that:
The processing product includes alginic acid, fucoidin, sulfated polysaccharide, agar-agar, carragheen, xylan, glucan, mannosan, red
At least one of algae starch, alginate fibre element or a variety of mixing.
5. titanium dioxide according to claim 1/algal polysaccharides composite nanometer particle preparation method, it is characterised in that:
The pH adjusting agent includes but is not limited to following raw material: citric acid, lactic acid, fumaric acid, metatartaric acid, malic acid, tartaric acid, vinegar
At least one of acid, adipic acid, hydrochloric acid, sulfuric acid, nitric acid.
6. titanium dioxide of any of claims 1-5/algal polysaccharides composite nanometer particle preparation method, feature
It is, comprising the following steps:
1) algal polysaccharides are added to the water, are warming up to 80 DEG C, are completely dissolved algal polysaccharides, being configured to concentration is 0.1-20%'s
Algal polysaccharides solution；
2) nano-titanium dioxide is added in ethyl alcohol, is configured to the nano-titanium dioxide suspension that concentration is 0.5-20%, adds
Enter into step 1), stirs evenly；
3) pH of step 2) is adjusted to 2-7 using pH adjusting agent, then sets and is irradiated under ultraviolet lamp, be stirred to react 1-8 hours, reacted
Temperature is controlled at 30-80 DEG C, after the reaction was completed, dry titanium dioxide/algal polysaccharides composite nanometer particle.
7. preparation method according to claim 6 obtains titanium dioxide/algal polysaccharides composite nanometer particle.
8. titanium dioxide according to claim 7/application of the algal polysaccharides composite nanometer particle in skin care item.
9. titanium dioxide according to claim 8/application of the algal polysaccharides composite nanometer particle in skin care item, feature
Be: the skin care item are sun-proof skin care products.
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| CN109464348A (en) * | 2018-11-22 | 2019-03-15 | 赛杜恳医药生物科技（上海）有限公司 | A kind of creme and preparation method thereof with beauty and improvement subhealth symptom |
| CN111557870A (en) * | 2019-02-13 | 2020-08-21 | 璟轩科技有限公司 | Sunscreen composite particle, manufacturing method thereof and sunscreen formula |
| CN110051546A (en) * | 2019-05-07 | 2019-07-26 | 绵阳师范学院 | For TiO in cosmetics2The preparation method of careless thuja acid complex microsphere |
| US11274216B1 (en) * | 2021-01-26 | 2022-03-15 | King Abdulaziz University | Marine natural products-based TiO2 nanoparticles as antifouling agents |
| CN114657768A (en) * | 2022-03-25 | 2022-06-24 | 杭州永前布业有限公司 | Preparation process of anti-ultraviolet bag fabric |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579643A (en) * | 2009-06-11 | 2009-11-18 | 湖州师范学院 | Sol-gel in situ preparation method of titanium dioxide nano powder coated with alginate |
| CN103893093A (en) * | 2014-02-26 | 2014-07-02 | 李小英 | Sunscreen hand cream and preparation method thereof |
| CN104043144A (en) * | 2014-07-03 | 2014-09-17 | 湖北科技学院 | Natural polysaccharide/nano-TiO2 composite light-sensitive antimicrobial hydrogel dressing and radiation synthesis method thereof |
| CN106391132A (en) * | 2016-08-30 | 2017-02-15 | 上海交通大学 | Preparation method of hydrogel immobilized TiO2 photocatalyst |
| CN106420378A (en) * | 2016-12-28 | 2017-02-22 | 安徽紫檀科技有限公司 | Concealer sunscreen cream and preparation method thereof |
| CN106633967A (en) * | 2016-09-14 | 2017-05-10 | 华南理工大学 | Titanium dioxide/lignin-based composite nanoparticle, and preparation method and application thereof |
-
2017
- 2017-08-11 CN CN201710684893.XA patent/CN107582422B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579643A (en) * | 2009-06-11 | 2009-11-18 | 湖州师范学院 | Sol-gel in situ preparation method of titanium dioxide nano powder coated with alginate |
| CN103893093A (en) * | 2014-02-26 | 2014-07-02 | 李小英 | Sunscreen hand cream and preparation method thereof |
| CN104043144A (en) * | 2014-07-03 | 2014-09-17 | 湖北科技学院 | Natural polysaccharide/nano-TiO2 composite light-sensitive antimicrobial hydrogel dressing and radiation synthesis method thereof |
| CN106391132A (en) * | 2016-08-30 | 2017-02-15 | 上海交通大学 | Preparation method of hydrogel immobilized TiO2 photocatalyst |
| CN106633967A (en) * | 2016-09-14 | 2017-05-10 | 华南理工大学 | Titanium dioxide/lignin-based composite nanoparticle, and preparation method and application thereof |
| CN106420378A (en) * | 2016-12-28 | 2017-02-22 | 安徽紫檀科技有限公司 | Concealer sunscreen cream and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 海藻酸钠/TiO2纳米复合材料的制备与表征;田大听等;《食品科学》;20091231;第30卷(第8期);第33-35页 * |
| 纳米二氧化钛在防晒化妆品中的应用;徐存英等;《云南化工》;20040630;第31卷(第3期);第36-38页 * |
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Effective date of registration: 20221026 Address after: 515834 Liannan Industrial Zone, Chenghai District, Shantou City, Guangdong Province Patentee after: Guangdong Mingchen Daily Chemical Co.,Ltd. Address before: 515834 Liannan Industrial Zone, Lianxia Town, Chenghai District, Shantou City, Guangdong Province Patentee before: MINGCHEN HEALTH Co.,Ltd. |