CN110123651A - A kind of water-soluble titanium dioxide dispersion pulp - Google Patents
A kind of water-soluble titanium dioxide dispersion pulp Download PDFInfo
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- CN110123651A CN110123651A CN201910497493.7A CN201910497493A CN110123651A CN 110123651 A CN110123651 A CN 110123651A CN 201910497493 A CN201910497493 A CN 201910497493A CN 110123651 A CN110123651 A CN 110123651A
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- titanium dioxide
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- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/29—Titanium; Compounds thereof
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- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
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- 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
- A61K8/4993—Derivatives containing from 2 to 10 oxyalkylene groups
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- 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
- A61K8/86—Polyethers
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- 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
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- 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
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
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- 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
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/60—Particulates further characterized by their structure or composition
- A61K2800/61—Surface treated
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Abstract
The present invention provides a kind of water-soluble titanium dioxide dispersion pulp, the component including following parts by weight, 5-70 parts of titanium dioxide；1-20 parts of dispersing agent；10-65 parts of carrier；0.1~5 part of preservative；The dispersing agent is one or both of polysorbate60, oleth -10.Dispersion pulp of the present invention has many advantages, such as that strong covering power, performance is stable in formula, compatibility performance is good, is easy to use, safe without dust pollution.Meanwhile the dispersion pulp can be added directly into water phase, mutually echoed with the chemical sun in oily phase, greatly improved the SPF of product.
Description
Technical field
The invention belongs to cosmetic technical fields, more particularly, to a kind of water-soluble titanium dioxide dispersion pulp.
Background technique
Titanium dioxide is commonly called as titanium dioxide, is a kind of best white pigment of performance.Its tinting strength, tinting power height, strong covering power, whiteness
Height has very strong scattered reflection ability to ultraviolet light.Nano titanium dioxide, because its partial size is small, activity is big, can not only reflect scattered
Ultraviolet light is penetrated, ultraviolet light can be also absorbed.Therefore, titanium dioxide is made because it has the characteristics that safe and stable, sun-proof result is good
For excellent physical sunscreen agent and pigment, it is widely used in cosmetics, coating, printing ink, chemical fibre, food and medicine field.
When in use, because its partial size is small, large specific surface area, specific surface energy is high for titanium dioxide, easily generates in matrix spontaneous
Agglomeration.In addition, titanium dioxide is when in use, dust flies ease unavoidably, to the health and environmental protection of operator
It is all harmful.Based on the above reasons, titanium dioxide dispersion pulp comes into being.Titanium dioxide dispersion pulp on current market is mostly that oil is molten
Property, it is mainly used in water-in-oil system, also has small part that can be applied to oil-in-water system by addition reversion emulsifier, but
It is that such dispersion pulp is added in oily phase.If fruit product feels like doing high spf value, need to be added at high proportion in oily phase
Titanium dioxide dispersion pulp, will lead to so oily mutually very thick and heavy, increase dispersion difficulty.
Summary of the invention
In view of this, the present invention is directed to propose a kind of water-soluble titanium dioxide dispersion pulp, the dispersion pulp strong covering power, dispersion
Stability is high, and easy to use, without dust pollution, safety and stability makes an addition in water phase and uses.In addition, with powdered titanium dioxide phase
Than the dispersion pulp is easier to disperse in formula, each TiO 2 particles can be evenly distributed in matrix, maximum journey
Degree ground plays the effect of titanium dioxide.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of water-soluble titanium dioxide dispersion pulp, the component including following parts by weight, 5-70 parts of titanium dioxide；Dispersing agent
1-20 parts；10-65 parts of carrier；0.1~5 part of preservative；The dispersing agent is polysorbate60, one in oleth -10
Kind or two kinds.
Dispersing agent polysorbate60 of the present invention and oleth -10, are nonionic surface active agent.This
Invention will be both applied in system of the invention, be to take it to have the purposes of wetting, dispersion.And in system of the invention
In, ionization phenomena will not occurs in they, do not influence vulnerable to electrolyte, pH value, stability is good.In system of the invention, it
Be adsorbed on the gap wall of TiO 2 particles by Van der Waals force, generate entropy repulsion and infiltration aquation power, generate simultaneously it is strong
Change steric effect, makes the adhesion strength decline in TiO 2 particles group between microcrack, make to generate strong position between titanium dioxide granule
Repulsive force is hindered to reduce surface tension.Titanium dioxide fine particles each in this way or particle cluster can be moistened fully, and then can be with
Uniformly and stably disperse in the medium.
Preferably, the component including following parts by weight, 25-60 parts of titanium dioxide；2-15 parts of dispersing agent；Carrier 20-65
Part；0.5~4 part of preservative.
Preferably, the titanium dioxide is rutile titanium dioxide；Its partial size is 0.1 nanometer~10 microns, it is preferred that
Partial size is 10 nanometers -10 microns.
Preferably, the titanium dioxide is the titanium dioxide that surface modification treatment is carried out by surface treating agent；Described
Surface treating agent is silica, aluminium hydroxide, aluminium oxide, methylsiloxane, dimethyl silicone polymer, triethoxy octyl silicon
One or more of alkane, lauroyl lysine, stearic acid, hexadecanol, jojoba oil, lecithin, amino acid.
Preferably, the carrier is one or both of water, polyalcohol；The polyalcohol is glycerol, butanediol, third
One or more of glycol, pentanediol, sorbierite, hexylene glycol, xylitol, polyethylene glycol, polypropylene glycol.
Preferably, the preservative is the polyalcohol of Phenoxyethanol or included anti-corrosion function；The included anti-corrosion function
Polyalcohol is pungent glycol, 1,2 pentanediols, 1,2 hexylene glycols, 1,2 propylene glycol, 1,3 butanediols etc..
The present invention also provides a kind of methods for preparing water-soluble titanium dioxide dispersion pulp as described above, first by carrier with point
Powder, preservative mix by stirring completely, then put into titanium dioxide powder, and mixing is dispersed after 10-40 minutes, mistake
Filter, packaging；Preferably, it mixes 30 minutes.
The present invention also provides water-soluble titanium dioxide dispersion pulp answering in cosmetics or water soluble paint as described above
With.
The water-soluble titanium dioxide dispersion pulp obtained present invention simultaneously provides preparation method as described above in cosmetics or
Application in coating.
Compared with the existing technology, water-soluble titanium dioxide dispersion pulp of the present invention, has the advantage that
A kind of water-soluble titanium dioxide dispersion pulp of the present invention has strong covering power, in formula performance stabilization, phase
The advantages that appearance excellent performance, convenient to use, safe without dust pollution.Meanwhile the dispersion pulp can be added directly into water phase, with oil
Chemical sun in phase mutually echoes, and greatly improves the SPF of product.
Compared with prior art, which can be used for water-based system, oil-in-water system, water-in-oil system, gelinite
System, lotion exquisiteness obtained is without particle, good stability, SPF height.
Specific embodiment
In addition to being defined, technical term used in following embodiment has universal with those skilled in the art of the invention
The identical meanings of understanding.Test reagent used in following embodiment is unless otherwise specified conventional biochemical reagent；It is described
Experimental method is unless otherwise specified conventional method.
Below with reference to embodiment, the present invention will be described in detail.
Embodiment 1
A kind of water-soluble titanium dioxide dispersion pulp, the component containing following parts by weight: 30 parts of titanium dioxide, 5 parts of glycerol,
1 part of pungent glycol, 5 parts of polysorbate60,2 parts of oleth -10,0.5 part of Phenoxyethanol, adding water to dispersion pulp gross mass is
100 parts；The surface treating agent of the titanium dioxide is silica；The titanium dioxide partial size is 30 nanometers.
By carrier (glycerol, water), dispersing agent (polysorbate60, oleth -10), preservative (pungent glycol, benzene oxygen second
Alcohol) it mixes by stirring completely, titanium dioxide powder is then put into, mixing is dispersed after 30 minutes, after dispersion reaches standard,
Filtering, packaging.
Embodiment 2
A kind of water-soluble titanium dioxide dispersion pulp, the component containing following parts by weight: 60 parts of titanium dioxide, 1,3 fourth two
8 parts of alcohol, 8 parts of polysorbate60,6 parts of oleth -10,2 parts of pungent glycol, adds water to the total matter of dispersion pulp by 1 part of Phenoxyethanol
Amount is 100 parts；The surface treating agent of the titanium dioxide is triethoxy octyl silane；The titanium dioxide partial size is 0.2 micro-
Rice.
By carrier (butanediol, water), dispersing agent (polysorbate60, oleth -10), preservative (pungent glycol, benzene oxygen
Ethyl alcohol) it mixes by stirring completely, titanium dioxide powder is then put into, mixing is dispersed after 30 minutes, and dispersion reaches standard
Afterwards, it filters, packaging.
Embodiment 3
A kind of water-soluble titanium dioxide dispersion pulp, the component containing following parts by weight: 50 parts of titanium dioxide, 1,3 fourth two
10 parts of alcohol, 8 parts of polysorbate60,5 parts of oleth -10, it is total to add water to dispersion pulp for 2 parts of pungent glycol, 1,22 parts of hexylene glycol
Quality is 100 parts；The surface treating agent of the titanium dioxide is triethoxy octyl silane and dimethyl siloxane；The dioxy
Changing titanium partial size is 0.4 micron.
By carrier (butanediol, water), dispersing agent (polysorbate60, oleth -10), preservative (pungent glycol, 1,2
Hexylene glycol) it mixes by stirring completely, titanium dioxide powder is then put into, mixing is dispersed after 30 minutes, and dispersion reaches mark
It after standard, filters, packaging.
Embodiment 4
A kind of water-soluble titanium dioxide dispersion pulp, the component containing following parts by weight: 30 parts of titanium dioxide, 1,3 fourth two
5 parts of alcohol, 5 parts of polysorbate60,2 parts of oleth -10,0.5 part of Phenoxyethanol, it is total to add water to dispersion pulp for 1 part of pungent glycol
Quality is 100 parts；The surface treating agent of the titanium dioxide is silica；The titanium dioxide partial size is 30 nanometers.
By carrier (1,3 butanediol, water), dispersing agent (polysorbate60, oleth -10), preservative (pungent glycol,
Phenoxyethanol) it mixes by stirring completely, titanium dioxide powder is then put into, mixing is dispersed after 30 minutes, and dispersion reaches
It after standard, filters, packaging.
Embodiment 5
A kind of water-soluble titanium dioxide dispersion pulp, the component containing following parts by weight: 50 parts of titanium dioxide, 1,3 fourth two
5 parts of alcohol, 5 parts of propylene glycol, 8 parts of polysorbate60,5 parts of oleth -10,2 parts of pungent glycol, 1,22 parts of hexylene glycol adds water
It is 100 parts to dispersion pulp gross mass；The surface treating agent of the titanium dioxide is triethoxy octyl silane；The titanium dioxide
Partial size is 0.4 micron.
By carrier (1,3 butanediol, propylene glycol, water), dispersing agent (polysorbate60, oleth -10), preservative
(pungent glycol, 1,2 hexylene glycols) mix by stirring completely, then put into titanium dioxide powder, and mixing is dispersed after 30 minutes,
It after dispersion reaches standard, filters, packaging.
Comparative example 1
It is the titanium dioxide powder of silica using only surface treating agent；The titanium dioxide partial size is 30 nanometers.
Comparative example 2
It is the titanium dioxide powder of triethoxy octyl silane using only surface treating agent；The titanium dioxide partial size is
0.2 micron.
Comparative example 3
It is the titanium dioxide powder of triethoxy octyl silane and dimethyl siloxane Duplex treatment using only surface treating agent
Body；The titanium dioxide partial size is 0.4 micron.
Comparative example 4
Titanium dioxide dispersion pulp, the component containing following parts by weight: 30 parts of titanium dioxide, 5 parts of glycerol, 1 part of pungent glycol,
7 parts of polysorbate60,0.5 part of Phenoxyethanol, adding water to dispersion pulp gross mass is 100 parts；At the surface of the titanium dioxide
Reason agent is silica；The titanium dioxide partial size is 30 nanometers.
Carrier (glycerol, water), dispersing agent polysorbate60, preservative (pungent glycol, Phenoxyethanol) is mixed by stirring
It closes completely, then puts into titanium dioxide powder, mixing is dispersed after 30 minutes, after dispersion reaches standard, is filtered, packaging.
Comparative example 5
Titanium dioxide dispersion pulp, the component containing following parts by weight: 30 parts of titanium dioxide, 5 parts of glycerol, 1 part of pungent glycol,
165 7 parts of Arlacel, 0.5 part of Phenoxyethanol, adding water to dispersion pulp gross mass is 100 parts；At the surface of the titanium dioxide
Reason agent is silica；The titanium dioxide partial size is 30 nanometers.
By carrier (glycerol, water), dispersant A rlacel 165, (ingredient is glyceric acid Ying Zhisuanzhi &PEG-100 stearic acid
Ester), preservative (pungent glycol, Phenoxyethanol) mix by stirring completely, titanium dioxide powder is then put into, after mixing 30 minutes
Dispersed, after dispersion reaches standard, is filtered, packaging.
Performance test experiment is as follows:
Embodiment 1-5 and comparative example 1-5 are respectively added in the same formula, dispersibility test, stability are carried out
Test is tested with SPF.Specific formula composition is as follows:
A phase: cetanol ethylhexoate 8.7%, C12-15 alkanol benzoic ether 11%, butyl octanol salicylate
9.5%, caprylic/capric triglyceride 5%, microwax 2%, polyethylene 0.5%, ceresine 2%, Arlacel-83
3.35%, three isostearic acid polyglycerol esters 8%；
B phase: calamine 3%, silica (2 microns of partial size) 7%, silica (7 microns of partial size) 10%, titanium dioxide
(dispersion pulp or powder) 10.07%.
Preparation process: accurately weighing raw material in A phase, is heated to 70 DEG C and is allowed to be completely melt.Raw material in B phase is accurately weighed,
It is uniformly mixed.B is added in A phase, mixing, stirring, cooling.
Dispersion force test method: take equivalent sample to be placed on black plate, finger smearing open, observation lotion state whether there is or not
The abnormal phenomenon such as grain, informal voucher, coarse, dough, without exception to be recorded as OK, having exception record is NG.
Stability testing method: sample is respectively put into 45 DEG C, -15 DEG C and room temperature environment 3 months, controlled observation state
Whether there is or not the abnormal phenomenon such as discoloration, spoiled, layering.Without exception to be recorded as OK, having exception record is NG.
SPF measuring method:
SPF measurement: test product for 24 hours before, subject's skin of back select an irradiation area, take 5 points with differences
The ultraviolet light of dosage irradiates, and observes result after 16-24h.It is that the subject is normal with the minimum exposure dose that erythema occurs in skin
The MED of skin.The same day is tested, choosing 9 pieces of areas in subject's back is 30-60cm2Region, according to the dosage of 2mg/cm2
City sample is applicable in latex finger cot for the formulation samples for being added to example 1-3, comparative example 1-3 and is spread evenly across trial zone respectively
It is interior, wait 15min.40min prolonged exposure is carried out to tested region with ultraviolet sunlight simulator.Observation after 16-24h is as a result, survey
Random sample product protect the MED of lower skin.
Wherein, MED is minimal erythema dose, that is, causes erythema, and range reaches ultraviolet required for irradiation point edge
Line irradiates lowest dose level or shortest time.
PA measurement: on the test same day, choosing 7 pieces of areas in subject's back is 30-60cm2Region, according to 2mg/cm2's
Dosage city sample is applicable in latex finger cot for the formulation samples for being added to example 1-3, comparative example 1-3 and is spread evenly across examination respectively
It tests in area, waits 15min.5min prolonged exposure is carried out to tested region with ultraviolet sunlight simulator.Observation after 2-4h is as a result, survey
Random sample product protect the lower MPPD of the skin and MPPD of baring skin.
Wherein, MPPD is minimal persistent pigment dose, that is, 2-4h is generated slightly on entire irradiated site skin after irradiating
Minimum ultraviolet irradiation dosage required for melanism or most short irradiation time.
Concrete outcome is as shown in the table:
Test result shows have very in dispersion force, stability and sun-proof aspect of performance using product produced by the present invention
Big advantage.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of water-soluble titanium dioxide dispersion pulp, it is characterised in that: the component including following parts by weight, titanium dioxide 5-70
Part；1-20 parts of dispersing agent；10-65 parts of carrier；0.1~5 part of preservative；The dispersing agent is polysorbate60, oleth-
One or both of 10.
2. water-soluble titanium dioxide dispersion pulp according to claim 1, it is characterised in that: the group including following parts by weight
Point, 25-60 parts of titanium dioxide；2-15 parts of dispersing agent；20-65 parts of carrier；0.5~4 part of preservative.
3. water-soluble titanium dioxide dispersion pulp according to claim 1 or 2, it is characterised in that: the titanium dioxide is gold
Red stone-type titanium dioxide；Its partial size is 0.1 nanometer~10 microns, it is preferred that partial size is 10 nanometers -10 microns.
4. water-soluble titanium dioxide dispersion pulp according to claim 1 or 2, it is characterised in that: the titanium dioxide is warp
Cross the titanium dioxide that surface treating agent carries out surface modification treatment；The surface treating agent is silica, aluminium hydroxide, oxygen
Change aluminium, methylsiloxane, dimethyl silicone polymer, triethoxy octyl silane, lauroyl lysine, stearic acid, hexadecanol, suddenly
One or more of bar oil, lecithin, amino acid suddenly.
5. water-soluble titanium dioxide dispersion pulp according to claim 1 or 2, it is characterised in that: the carrier is water, polynary
One or both of alcohol；The polyalcohol is glycerol, butanediol, propylene glycol, pentanediol, sorbierite, hexylene glycol, xylose
One or more of alcohol, polyethylene glycol, polypropylene glycol.
6. water-soluble titanium dioxide dispersion pulp according to claim 1 or 2, it is characterised in that: the preservative is benzene oxygen
The polyalcohol of ethyl alcohol or included anti-corrosion function；The polyalcohol of the included anti-corrosion function be pungent glycol, 1,2 pentanediols, 1,2 oneself two
Alcohol, 1,2 propylene glycol, 1, one or more of 3 butanediols.
7. a kind of method for preparing water-soluble titanium dioxide dispersion pulp as described in any one of claims 1 to 6, feature exist
In: first carrier and dispersing agent, preservative are mixed by stirring completely, then put into titanium dioxide powder, is mixed 10-40 minutes
After dispersed, filter, packaging；Preferably, it mixes 30 minutes.
8. water-soluble titanium dioxide dispersion pulp as described in any one of claims 1 to 6 is in cosmetics or water soluble paint
Using.
9. the water-soluble titanium dioxide dispersion pulp that preparation method according to claim 7 obtains is in cosmetics or coating
Using.
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| CN201910497493.7A CN110123651A (en) | 2019-06-10 | 2019-06-10 | A kind of water-soluble titanium dioxide dispersion pulp |
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| CN201910497493.7A CN110123651A (en) | 2019-06-10 | 2019-06-10 | A kind of water-soluble titanium dioxide dispersion pulp |
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Cited By (5)
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| CN112190491A (en) * | 2020-10-15 | 2021-01-08 | 广州市科能化妆品科研有限公司 | High-dispersity cosmetic inorganic pigment color paste, and preparation method and application thereof |
| CN113208940A (en) * | 2021-04-30 | 2021-08-06 | 广州市科能化妆品科研有限公司 | Refreshing and stable sunscreen composition and preparation method thereof |
| CN113367999A (en) * | 2021-07-30 | 2021-09-10 | 天津先光化妆品有限公司 | Sunscreen agent of composite silicon dioxide |
| CN114075051A (en) * | 2020-08-18 | 2022-02-22 | 博特新材料泰州有限公司 | Reinforcing steel bar rust inhibitor of composite nano particles and preparation method thereof |
| CN115252443A (en) * | 2022-08-03 | 2022-11-01 | 安徽格锐新材料科技有限公司 | Sun-screening compound and dry-wet dual-purpose sun-screening pressed powder containing sun-screening compound |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075051A (en) * | 2020-08-18 | 2022-02-22 | 博特新材料泰州有限公司 | Reinforcing steel bar rust inhibitor of composite nano particles and preparation method thereof |
| CN114075051B (en) * | 2020-08-18 | 2022-07-12 | 博特新材料泰州有限公司 | Reinforcing steel bar rust inhibitor of composite nano particles and preparation method thereof |
| CN112190491A (en) * | 2020-10-15 | 2021-01-08 | 广州市科能化妆品科研有限公司 | High-dispersity cosmetic inorganic pigment color paste, and preparation method and application thereof |
| CN113208940A (en) * | 2021-04-30 | 2021-08-06 | 广州市科能化妆品科研有限公司 | Refreshing and stable sunscreen composition and preparation method thereof |
| CN113208940B (en) * | 2021-04-30 | 2022-12-23 | 广州市科能化妆品科研有限公司 | Refreshing and stable sun-screening composition and preparation method thereof |
| CN113367999A (en) * | 2021-07-30 | 2021-09-10 | 天津先光化妆品有限公司 | Sunscreen agent of composite silicon dioxide |
| CN115252443A (en) * | 2022-08-03 | 2022-11-01 | 安徽格锐新材料科技有限公司 | Sun-screening compound and dry-wet dual-purpose sun-screening pressed powder containing sun-screening compound |
| CN115252443B (en) * | 2022-08-03 | 2023-07-04 | 安徽格锐新材料科技有限公司 | Sun-proof compound and dry-wet dual-purpose sun-proof powder cake containing same |
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Application publication date: 20190816 |
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