CN110974715B - APG modified MBBT composite material and preparation method of aqueous slurry thereof - Google Patents
APG modified MBBT composite material and preparation method of aqueous slurry thereof Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 50
- 239000002002 slurry Substances 0.000 title claims abstract description 37
- -1 APG modified MBBT Chemical class 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000000227 grinding Methods 0.000 claims abstract description 24
- 239000008367 deionised water Substances 0.000 claims abstract description 19
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 19
- 239000006185 dispersion Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000010992 reflux Methods 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 7
- 238000001694 spray drying Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000003755 preservative agent Substances 0.000 claims abstract description 6
- 230000002335 preservative effect Effects 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- FQUNFJULCYSSOP-UHFFFAOYSA-N bisoctrizole Chemical compound N1=C2C=CC=CC2=NN1C1=CC(C(C)(C)CC(C)(C)C)=CC(CC=2C(=C(C=C(C=2)C(C)(C)CC(C)(C)C)N2N=C3C=CC=CC3=N2)O)=C1O FQUNFJULCYSSOP-UHFFFAOYSA-N 0.000 claims abstract 5
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- WCVRQHFDJLLWFE-UHFFFAOYSA-N pentane-1,2-diol Chemical compound CCCC(O)CO WCVRQHFDJLLWFE-UHFFFAOYSA-N 0.000 claims description 6
- 229960005323 phenoxyethanol Drugs 0.000 claims description 6
- 229940015975 1,2-hexanediol Drugs 0.000 claims description 2
- FHKSXSQHXQEMOK-UHFFFAOYSA-N hexane-1,2-diol Chemical compound CCCCC(O)CO FHKSXSQHXQEMOK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002537 cosmetic Substances 0.000 abstract description 7
- 239000007864 aqueous solution Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000037072 sun protection Effects 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000516 sunscreening agent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- PFHLGILELJGQSJ-UHFFFAOYSA-N 4-(2h-benzotriazol-4-ylmethyl)-2h-benzotriazole;2-butyl-3,4,5,6-tetramethylphenol Chemical compound CCCCC1=C(C)C(C)=C(C)C(C)=C1O.C=1C=CC=2NN=NC=2C=1CC1=CC=CC2=C1N=NN2 PFHLGILELJGQSJ-UHFFFAOYSA-N 0.000 description 1
- XOBKSJJDNFUZPF-UHFFFAOYSA-N Methoxyethane Chemical compound CCOC XOBKSJJDNFUZPF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940008099 dimethicone Drugs 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 229930182470 glycoside Natural products 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000017520 skin disease Diseases 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
- A61K8/602—Glycosides, e.g. rutin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/496—Triazoles or their condensed derivatives, e.g. benzotriazoles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/85—Polyesters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K8/893—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by an alkoxy or aryloxy group, e.g. behenoxy dimethicone or stearoxy dimethicone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K8/894—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
- A61K2800/805—Corresponding aspects not provided for by any of codes A61K2800/81 - A61K2800/95
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Cosmetics (AREA)
- Colloid Chemistry (AREA)
Abstract
The invention discloses an APG modified MBBT composite material and a preparation method of aqueous slurry thereof, and specifically relates to a preparation method of the APG modified MBBT composite material by adding MBBT into APG aqueous solution, heating the system to 50-100 ℃, carrying out reflux reaction for 2-8 hours, and spray drying. Adding the APG modified MBBT composite material into deionized water, adding a dispersing agent in batches, performing dispersion grinding through a sand grinding dispersing and stirring multipurpose machine, adding a preservative, and performing grinding through the sand grinding dispersing and stirring multipurpose machine for 1-3 hours to obtain the aqueous slurry of the APG modified MBBT composite. The method adopts APG to modify MBBT, so that the composite slurry has better moisture retention and better application in cosmetic formulas; but also can better combine MBBT particles with dispersing agents, so that the dispersing effect is better, and the prepared aqueous slurry has better stability and sun protection index.
Description
Technical Field
The invention belongs to the technical field of cosmetics, and particularly relates to an APG modified MBBT composite material and a preparation method of aqueous slurry thereof.
Background
With the remarkable increase of skin diseases caused by sunlight irradiation in the global scope, development and research of various sun-screening cosmetics have become a difficult problem to be solved urgently by cosmetic enterprises in order to protect skin from ultraviolet rays in sunlight. Ultraviolet rays in sunlight which can cause damage to skin are mainly a UVA wave band with the wavelength of 320-400 nm and a UVB wave band with the wavelength of 280-320 nm. The purpose of scientific and effective combination can be achieved only by accurately measuring the ultraviolet absorption of the sun-screening agent in UVA and UVB wave bands.
Methylene bis-benzotriazole tetramethyl butyl phenol (MBBT) is a broad-spectrum organic sunscreen agent with good application prospect, and has the capability of shielding ultraviolet rays in both UVA and UVB wave bands. The MBBT molecular structure contains a chromophoric group for absorbing ultraviolet, and ultraviolet shielding is realized by scattering and absorption modes. However, MBBT has poor uv absorption due to its tendency to aggregate in aqueous solutions, and has limited application in the sun protection field. In addition, in the using process of the MBBT, dust is inevitably flying, and the MBBT is harmful to the health of operators and the environmental protection.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems of particle agglomeration phenomenon, difficult pushing away, dust pollution and the like of MBBT in the use process of cosmetics, the invention provides an APG (alkyl glycoside) modified MBBT composite material and a preparation method of aqueous slurry thereof.
The technical scheme adopted for solving the technical problems is as follows: an APG modified MBBT composite material is prepared by the following steps: adding MBBT into APG water solution, heating the system to 50-100 ℃, carrying out reflux reaction for 2-8 hours, and carrying out spray drying on the obtained dispersion liquid to obtain the APG modified MBBT composite material; the mass ratio of the MBBT to the APG is 3-8:1. Further, the APG is any one or a combination of more than one of APG 0810, APG 1214, APG 0814 and APG 1216. The APG is a safe modifier, can be stored for a long time in a larger temperature range, has a moisturizing function, completely meets the performance requirements of active components for cosmetics, and the prepared APG modified MBBT compound has high reliability.
A preparation method of an aqueous slurry of an APG modified MBBT composite material comprises the following steps: and uniformly dispersing the APG modified MBBT composite material in deionized water under the action of a dispersing agent to prepare the aqueous slurry of the APG modified MBBT composite material.
Further, the specific steps are as follows:
adding the APG modified MBBT composite material into deionized water, then dispersing by using a dispersing disc of a sanding dispersing and stirring multipurpose machine, then dripping part of dispersing agent into the dispersing disc, switching to a grinding wheel, and dripping the rest dispersing agent while grinding, wherein the weight part of the deionized water is 30-80, the weight part of the APG modified MBBT composite material is 20-70, and the weight part of the dispersing agent is 1-15; then adding 0.1-5 parts by weight of preservative, and grinding for 1-3 hours by using a sand grinding dispersing and stirring multipurpose machine to prepare the aqueous slurry of the APG modified MBBT compound.
Preferably, the dispersing agent is any one or a combination of several of methyl ethyl ether dimethicone (6011), polyhydroxystearic acid (300R) and lauryl polyglycerol-3-polydimethylsiloxane ethyl polydimethylsiloxane (6105).
Preferably, the preservative is any one or a combination of more than one of phenoxyethanol, octylglycol, 1,2 pentanediol or 1,2 hexanediol.
The invention has the beneficial effects that:
1. the method adopts APG to modify MBBT, so that the composite slurry has better moisture retention and better application in cosmetic formulas; but also can better combine MBBT particles with dispersing agent, so that the dispersing effect is better;
2. the method adopts a sand grinding, dispersing and stirring multi-purpose machine to disperse and break up the MBBT particles which are agglomerated by dispersion; the MBBT particles are better dispersed and wetted by the dispersing agent, so that the MBBT particles are stably and uniformly dispersed in the aqueous medium to form a stable composite system, and the sun protection index of the product is greatly improved.
Drawings
FIG. 1 shows the absorbance test results of aqueous slurries of APG-modified MBBT composite materials prepared in examples and comparative examples of the present invention.
Detailed description of the preferred embodiments
The invention will be described in more detail below with reference to examples, but the scope of the invention is not limited to these examples. In the following examples, APG is produced by Shanghai Kaiki chemical Co., ltd, and MBBT is produced by Hubei province Huang Danshi Meifeng chemical industry.
Example 1
The preparation method of the aqueous slurry of the APG modified MBBT composite material comprises the following specific steps:
1. firstly, adding 20g of APG 0814 aqueous solution into a mechanically stirred flask, wherein the water bath temperature is 97 ℃, then adding 100g of MBBT into the flask, stirring and carrying out heat preservation reflux reaction for 2 hours, and finally, carrying out spray drying on the obtained dispersion liquid of the APG modified MBBT, thus obtaining the APG modified MBBT composite material.
2. And then weighing deionized water and the APG modified MBBT composite material prepared in the step 1, adding the deionized water and the APG modified MBBT composite material into a sanding charging barrel of a sanding dispersing and stirring multipurpose machine, pre-dispersing a dispersing disc for 10min at the rotating speed of 2000r/min, dropwise adding part 6011 dispersing agent, and dropwise adding the rest 6011 dispersing agent after the rotating speed of 4000r/min by changing a grinding wheel, so as to prevent a large amount of bubbles possibly generated when the dispersing agent is added at one time, influence the use of slurry, add phenoxyethanol, and grind for 1h, thereby obtaining the aqueous slurry of the APG modified MBBT composite material, namely the dispersing slurry 1. The mass content of each component in the dispersion slurry 1 for short is as follows: 50% of APG modified MBBT composite material, 10% of 6011 dispersing agent, 3% of phenoxyethanol and 100% of deionized water. The quality of 6011 dispersant added in this example was the same for both runs.
Example 2
Preparation of APG modified MBBT composite material: adding 20g of APG 0810 aqueous solution into a flask with mechanical stirring, wherein the water bath temperature is 80 ℃, then adding 140g of MBBT into the flask, stirring, preserving heat and refluxing for reaction for 5 hours, and finally, carrying out spray drying on the obtained dispersion liquid of the APG modified MBBT to obtain the APG modified MBBT composite material;
the aqueous slurry of the APG modified MBBT composite material comprises the following components in percentage by mass: 40% of APG modified MBBT composite material, 4% of 300R dispersing agent, 3% of octyl glycol and the balance of deionized water. The preparation method comprises the following steps:
the deionized water and the APG modified MBBT composite material are weighed and added into a sanding charging barrel of a sanding, dispersing and stirring multipurpose machine, after the dispersion disc is pre-dispersed for 10min at the rotating speed of 2000R/min, 300R dispersing agent with the formula amount of 5/8 is dropwise added, the rest 300R is dropwise added into a grinding wheel at the rotating speed of 4000R/min, octanediol is added, and then the grinding is carried out for 1h, so that the aqueous slurry of the APG modified MBBT composite material, namely the dispersing slurry 2 for short, is obtained.
Example 3
Preparation of APG modified MBBT composite material: 50g of APG 1216 aqueous solution is added into a flask with mechanical stirring, the water bath temperature is 50 ℃, then 150g of MBBT is added into the flask, stirring and heat preservation reflux reaction are carried out for 4 hours, finally, the obtained dispersion liquid of the APG modified MBBT is subjected to spray drying, and the APG modified MBBT composite material is prepared;
aqueous slurry 3 of APG modified MBBT composite: the composition comprises the following components in percentage by mass: 30% of APG modified MBBT composite material, 4% of 6011 dispersing agent, 5% of 1,2 pentanediol and the balance of deionized water.
Deionized water and the compound are weighed and added into a sand milling charging barrel, after the dispersion disc is pre-dispersed for 10min at the rotating speed of 2000r/min, 6011 dispersing agent with the formula amount of 5/8 is dropwise added, the rest 6011 is dropwise added into a grinding wheel at the rotating speed of 4000r/min, 1,2 pentanediol is added, and then the grinding is carried out for 1h, so that the aqueous slurry of the APG modified MBBT composite material, namely the dispersed slurry 3 for short, is obtained.
Example 4
Preparation of APG modified MBBT composite material: adding 30g of APG 1214 aqueous solution into a mechanically stirred flask, wherein the water bath temperature is 70 ℃, then adding 240g of MBBT into the flask, stirring, preserving heat, refluxing and reacting for 8 hours, and finally, carrying out spray drying on the obtained dispersion liquid of the APG modified MBBT to obtain the APG modified MBBT composite material;
the aqueous slurry 4 of the APG modified MBBT composite material comprises the following components in percentage by mass: 35% of APG modified MBBT composite material, 10% of 6015 dispersing agent, 1% of 1,2 pentanediol and the balance of deionized water. The preparation method comprises the following steps:
deionized water and the compound are weighed and added into a sanding charging barrel, after the dispersion disc is pre-dispersed for 10min at the rotating speed of 2000r/min, 6015 dispersing agent with the formula amount of 1/4 is dropwise added, the grinding wheel is replaced, the rest 6015 dispersing agent is dropwise added at the rotating speed of 4000r/min, 1,2 pentanediol is added, and then the mixture is ground for 1h, so that the aqueous slurry of the APG modified MBBT composite material, namely the dispersed slurry 4 for short, is obtained.
Comparative example 1
The steps for removing the APG modified MBBT of example 1 are as follows:
the aqueous slurry of the APG modified MBBT composite material comprises the following components in parts by weight: MBBT 50%,6011 dispersant 10%, phenoxyethanol 3% and the balance deionized water. The preparation method comprises the following steps:
adding deionized water and MBBT into a sanding charging barrel, pre-dispersing for 10min by a dispersing disc at the rotating speed of 2000r/min, adding 6011 dispersing agent with the formula amount of 1/2, replacing a grinding wheel for grinding, adding the rest 6011 under the condition that the rotating speed is 4000r/min, adding phenoxyethanol, and grinding for 1h to obtain the aqueous slurry of the APG modified MBBT composite material, namely the dispersing slurry 5 for short.
The application effect test of the slurry obtained by the invention:
the aqueous slurries of the APG-modified MBBT composites prepared in examples 1 to 4 and comparative example 1 were respectively added with deionized water to prepare 50ppm dispersions, and after ultrasonic dispersion for 30 minutes, the absorbance of light was measured on an ultraviolet-visible near infrared spectrophotometer (UV 3600, shimadzu corporation) with a 1cm quartz cuvette as a reference with deionized water. The experimental results are shown in fig. 1. As can be seen from the graph, the dispersion slurry prepared by the invention has excellent full-wave band ultraviolet blocking effect and strong shielding capability on UVA and UVB.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme and the concept of the present invention, and should be covered by the scope of the present invention.
Claims (2)
- The preparation method of the aqueous slurry of the APG modified MBBT composite material is characterized by comprising the following steps of: the method comprises the following specific steps:adding the APG modified MBBT composite material into deionized water, then dispersing by using a dispersing disc of a sand grinding dispersing and stirring multipurpose machine, then dripping part 6011 dispersing agent into the dispersing disc, switching to a grinding wheel, and dripping the rest 6011 dispersing agent while grinding; then adding a preservative, and grinding for 1-3 hours by using a grinding wheel of a sand grinding, dispersing and stirring multipurpose machine to prepare aqueous slurry of the APG modified MBBT compound, wherein the mass content of each component in the slurry is as follows: 50% of APG modified MBBT composite material, 10% of 6011 dispersing agent, 3% of preservative and the balance of deionized water;the APG modified MBBT composite material is prepared by the following method: adding MBBT into APG water solution, heating the system to 97 ℃, carrying out reflux reaction for 2 hours, and carrying out spray drying on the obtained dispersion liquid to obtain the APG modified MBBT composite material; the mass ratio of the MBBT to the APG is 5:1;the APG is selected as APG 0814.
- 2. The method for preparing the aqueous slurry of the APG modified MBBT composite material according to claim 1, characterized in that: the preservative is any one or the combination of more of phenoxyethanol, octylglycol, 1, 2-pentanediol or 1, 2-hexanediol.
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| CN106038347A (en) * | 2015-04-15 | 2016-10-26 | 强生消费者公司 | Sunscreen composition |
| CN108464947A (en) * | 2018-04-12 | 2018-08-31 | 苏州绿叶日用品有限公司 | Include the cosmetic composition and preparation method thereof of film forming agent and microsphere particle |
| CN109453064A (en) * | 2018-12-10 | 2019-03-12 | 苏州绿叶日用品有限公司 | The frangible cosmetic composition and preparation method thereof removed of the anti-sweat warm water of waterproof |
| CN110302071A (en) * | 2019-06-18 | 2019-10-08 | 苏州绿叶日用品有限公司 | Blue light protection cosmetic composition and preparation method thereof and the cosmetics for including the composition |
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| JP4744754B2 (en) * | 1999-06-18 | 2011-08-10 | チバ ホールディング インコーポレーテッド | A mixture of micropigments |
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