CN103800269A - Nano-zinc oxide sun-blocking cream - Google Patents
Nano-zinc oxide sun-blocking cream Download PDFInfo
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- CN103800269A CN103800269A CN201410069537.3A CN201410069537A CN103800269A CN 103800269 A CN103800269 A CN 103800269A CN 201410069537 A CN201410069537 A CN 201410069537A CN 103800269 A CN103800269 A CN 103800269A
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Abstract
The invention discloses nano-zinc oxide sun-blocking cream. The sun-blocking cream comprises the following components in parts by mass: 6-10 parts of zinc oxide powder with grain diameter of 100-285nm, 8-13 parts of titanium dioxide powder with grain diameter of 297-500nm, 10-30 parts of monostearate glyceride, 10-13 parts of white oil, 4-6 parts of vaseline, 4-8 parts of dehydrated sorbitan sesquioleate, 7-9 parts of cetanol, 3-7 parts of bee wax, 5-13 parts of glycerinum, 7-10 parts of deionized water, 4 parts of triethanolamine, 1-3 parts of methylparaben and 10-13 parts of traditional Chinese medicine extracted essential solution, wherein the traditional Chinese medicine extracted essential solution with mass percentage of 40 percent is prepared from Chinese angelica, polygonum multiflorum, ginseng, saffron, angelica root, cassia twig and coix seed through superfine grinding, decocting, filtering and concentrating steps.
Description
Technical field
The present invention relates to a kind of nano zine oxide sunscreen cream, be specifically related to a kind of obstruct skin is harmful to ultraviolet, retains the ultraviolet nano zine oxide sunscreen cream useful to the mankind.
Background technology
Sunscreen cream, refer to added can intercept or absorb ultraviolet sunscreen reach prevent skin by tanned, sunburn cosmetics.
Particularly, intercept ultraviolet sunscreen and generally refer to physical property sun-prevention component, its principle is attached the names of pre-determined candidates just as holding up an umbrella, the ultraviolet reflection that is irradiated to human body can be gone out, main component has the sun-proof powder body 280-370nm(protection of zinc oxide, titanium dioxide, physical property UVA), the sun-proof powder body 250-340nm(protection of physical property UVB).Absorb ultraviolet sunscreen and generally refer to Anthranilates, can absorb ultraviolet energy and chemical reaction occurs.
Ultraviolet in daylight mainly contains the ultraviolet of UVA, UVB, tri-wave bands of UVC.Wherein UVA wave band, wavelength 320～400nm, is called again long wave black speck effect ultraviolet.It has very strong penetration power, can penetrate most of transparent glass and plastics.The long wave ultraviolet containing in daylight has and exceedes 98% and can penetrate ozone layer and cloud layer and arrive earth surface, and can the go directly skin corium of skin of UVA, destroys elastic fiber and collagen fabric, by skin tanning, and causes the aging of skin.UVB wave band, wavelength 275～320nm, is called again medium wave erythemal effect ultraviolet.UVB ultraviolet has erythema effect to human body, but long-term or excessive exposure can make skin tanning, and causes red and swollen decortication.What ultraviolet health-care lamp, plant growth lamp sent is exactly to use special uviol (not seeing through the light below 254nm) and near the fluorescent material of peak value 300nm to make.UVC wave band, wavelength 200～275nm, is called again shortwave sterilizing ultraviolet.And the ultraviolet of UVC wave band also comprises two absworption peak 230nm and the 260nm of cell DNA molecule, near the ultraviolet receiving for a long time these two wave-length coverages can be lured DNA Damage accumulation into, causes Skin Cell canceration.Therefore, under daylight, use sunscreen cream protection skin to avoid skin damage, to protect skin very important.
But, for still there are many ultraviolet rays useful to human body on human body UVB wave band.Some ultraviolet (270-300 nanometer peak value 295-297 nanometer) that need to absorb UVB wave band in daylight such as, mankind's skin promotes the generation of vitamin D in human body.Existing sunscreen cream product can not be accomplished the ultraviolet that selective filter is harmful, thereby allows when protectiving ultraviolet the useful ultraviolet of human body is penetrated sunscreen cream coating and is absorbed by the body again.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind ofly can selectivity to see through the ultraviolet useful to human body, protect again the ultraviolet sunscreen cream of other harmful wave band.
Technical scheme: nano zine oxide sunscreen cream of the present invention, it is characterized in that, formed by the component of following mass fraction: 6～10 parts of the oxide powder and zincs of particle diameter 100～285nm, 8～13 parts of the titanium dioxide powders of particle diameter 297～500nm, 10～30 parts of monostearate glyceride, 10～13 parts of white oils, 4～6 parts, vaseline, 4～8 parts of dehydration sorbitol sesquioleate, 7～9 parts of hexadecanol, 3～7 parts, Cera Flava, 5～13 parts of glycerol, 7～10 parts of deionized waters, 4 parts of triethanolamine, 1～3 part of methyl hydroxybenzoate, 10～13 parts of Chinese medicine extraction elite solution; Described Chinese medicine extraction elite solution is the Chinese medicine extraction elite solution that after Radix Angelicae Sinensis, Radix Polygoni Multiflori, Radix Ginseng, Stigma Croci, the Radix Angelicae Dahuricae, Ramulus Cinnamomi, Semen Coicis micronizing, the concentrated mass fraction obtaining of decoction filtering is 40%;
The oxide powder and zinc preparation process of described particle diameter 100～285nm is as follows:
1) get the oxalic acid solid of mol ratio 1:l and Zinc diacetate dihydrate solid and be placed in and grind alms bowl, fully grind 35 minutes;
2) product step 1) being obtained in baking oven in 75 degrees Celsius of vacuum dryings 5 hours;
3) by step 2) product that obtains is placed in muffle furnace and is heated to 470 degrees Celsius and keeps 3 hours, obtains described particle diameter 100～285nm oxide powder and zinc;
This Zinc oxide powder is placed under atomic force microscope to observation, and to obtain this Zinc oxide powder particle diameter be 100～285nm.
The titanium dioxide powder preparation process of described particle diameter 297～500nm is as follows:
5) butyl titanate and dehydrated alcohol are mixed, be mixed with ethanol mass fraction and be 13% solution;
6) prepare with step 1) in the distilled water of 5 times of the solution qualities that obtain;
7) solution step 1) being obtained dropwise splashes into the just step 2 at strong stirring) in the distilled water that obtains, form titanium dioxide gelatinous precipitate;
8) the titanium dioxide gelatinous precipitate obtaining in filtration cleaning, drying step 3) obtains the titanium dioxide powder of described particle diameter 297～500nm;
This titania powder is placed under atomic force microscope to observation, and to obtain this titania powder particle diameter be 297～500nm.
Described nano zine oxide sunscreen cream preparation process is as follows:
1) titanium dioxide powder of the oxide powder and zinc of corresponding umber particle diameter 100～285nm, particle diameter 297～500nm, monostearate glyceride, white oil, vaseline, dehydration sorbitol sesquioleate, hexadecanol, Cera Flava are mixed and heated to 85 degrees Celsius; The present invention utilizes the Zinc oxide powder of specific nanoscale to combine ultraviolet is carried out to scattering with titania powder, and the selection that has realized subband ultraviolet section sees through and reflection.
2) glycerol of corresponding umber, deionized water, triethanolamine, methyl hydroxybenzoate, Chinese medicine extraction elite solution are mixed and heated to 85 degrees Celsius;
3) under agitation, the product that step 1) is obtained adds step 2 lentamente) stir in the product that obtains, continue to stir and be cooled to 30～35 degrees Celsius, adjusting PH to 4～6.5, to obtain final product.
Further, preferably, the Chinese medicine parts by weight proportioning in Chinese medicine extraction elite solution is: 2～5 parts of Radix Angelicae Sinensis, 1～2 part of Radix Polygoni Multiflori, 3～5 parts of Radix Ginsengs, 2～5 parts of Stigma Crocis, 3～6 parts of the Radixs Angelicae Dahuricae, 2～4 parts of Ramulus Cinnamomi, 1～3 part of Semen Coicis.
Further, preferably, the Chinese medicine parts by weight proportioning in Chinese medicine extraction elite solution is: 2 parts of Radix Angelicae Sinensis, 1 part of Radix Polygoni Multiflori, 3 parts of Radix Ginsengs, 2 parts of Stigma Crocis, 3 parts of the Radixs Angelicae Dahuricae, 2 parts of Ramulus Cinnamomi, 1 part of Semen Coicis.
Further, preferably, the Chinese medicine parts by weight proportioning in Chinese medicine extraction elite solution is: 5 parts of Radix Angelicae Sinensis, 2 parts of Radix Polygoni Multiflori, 5 parts of Radix Ginsengs, 5 parts of Stigma Crocis, 6 parts of the Radixs Angelicae Dahuricae, 4 parts of Ramulus Cinnamomi, 3 parts of Semen Coiciss.
Further, preferably, the Chinese medicine parts by weight proportioning in Chinese medicine extraction elite solution is: 2～5 parts of Radix Angelicae Sinensis, 1 part of Radix Polygoni Multiflori, 34 parts of Radix Ginsengs, 4 parts of Stigma Crocis, 5 parts of the Radixs Angelicae Dahuricae, 3 parts of Ramulus Cinnamomi, 2 parts of Semen Coiciss.
Compared with prior art, its beneficial effect is in the present invention: invention utilizes the Zinc oxide powder of specific nanoscale to combine ultraviolet is carried out to scattering with titania powder, and the selection that has realized subband ultraviolet section sees through and reflection.Thereby can see through the ultraviolet useful to human body by selectivity, protect again the ultraviolet sunscreen cream of other harmful wave band.In addition, this sunscreen cream also has the effect of reparation to the skin of sunburn.
The specific embodiment
Below technical solution of the present invention is elaborated, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1:
The nano zine oxide sunscreen cream of the present embodiment, it is characterized in that, formed by the component of following mass fraction: 6 parts of the oxide powder and zincs of particle diameter 100～285nm, 8 parts of the titanium dioxide powders of particle diameter 297～500nm, 10 parts of monostearate glyceride, 10 parts of white oils, 4 parts, vaseline, 4 parts of dehydration sorbitol sesquioleate, 7 parts of hexadecanol, 3 parts, Cera Flava, 5 parts of glycerol, 7 parts of deionized waters, 4 parts of triethanolamine, 1 part of methyl hydroxybenzoate, 10 parts of Chinese medicine extraction elite solution; Described Chinese medicine extraction elite solution is the Chinese medicine extraction elite solution that after Radix Angelicae Sinensis, Radix Polygoni Multiflori, Radix Ginseng, Stigma Croci, the Radix Angelicae Dahuricae, Ramulus Cinnamomi, Semen Coicis micronizing, the concentrated mass fraction obtaining of decoction filtering is 40%;
The oxide powder and zinc preparation process of described particle diameter 100～285nm is as follows:
1) get the oxalic acid solid of mol ratio 1:l and Zinc diacetate dihydrate solid and be placed in and grind alms bowl, fully grind 35 minutes;
2) product step 1) being obtained in baking oven in 75 degrees Celsius of vacuum dryings 5 hours;
3) by step 2) product that obtains is placed in muffle furnace and is heated to 470 degrees Celsius and keeps 3 hours, obtains described particle diameter 100～285nm oxide powder and zinc;
This Zinc oxide powder is placed under atomic force microscope to observation, and to obtain this Zinc oxide powder particle diameter be 100～285nm.
The titanium dioxide powder preparation process of described particle diameter 297～500nm is as follows:
1) butyl titanate and dehydrated alcohol are mixed, be mixed with ethanol mass fraction and be 13% solution;
2) prepare with step 1) in the distilled water of 5 times of the solution qualities that obtain;
3) solution step 1) being obtained dropwise splashes into the just step 2 at strong stirring) in the distilled water that obtains, form titanium dioxide gelatinous precipitate;
4) the titanium dioxide gelatinous precipitate obtaining in filtration cleaning, drying step 3) obtains the titanium dioxide powder of described particle diameter 297～500nm;
This titania powder is placed under atomic force microscope to observation, and to obtain this titania powder particle diameter be 297～500nm.
Described nano zine oxide sunscreen cream preparation process is as follows:
1) titanium dioxide powder of the oxide powder and zinc of corresponding umber particle diameter 100～285nm, particle diameter 297～500nm, monostearate glyceride, white oil, vaseline, dehydration sorbitol sesquioleate, hexadecanol, Cera Flava are mixed and heated to 85 degrees Celsius.
2) glycerol of corresponding umber, deionized water, triethanolamine, methyl hydroxybenzoate, Chinese medicine extraction elite solution are mixed and heated to 85 degrees Celsius;
3) under agitation, the product that step 1) is obtained adds step 2 lentamente) stir in the product that obtains, continue to stir and be cooled to 30 degrees Celsius, adjusting PH to 4, to obtain final product.
In the present embodiment, the Chinese medicine parts by weight proportioning in Chinese medicine extraction elite solution is: 2 parts of Radix Angelicae Sinensis, 1 part of Radix Polygoni Multiflori, 3 parts of Radix Ginsengs, 2 parts of Stigma Crocis, 3 parts of the Radixs Angelicae Dahuricae, 2 parts of Ramulus Cinnamomi, 1 part of Semen Coicis.
After the nano zine oxide sunscreen cream described in obtaining the present embodiment, as follows to the ultraviolet sun-proof result evaluation of UVA, UVB, UVC wave band part wavelength with reference to mono-1998 pairs of this nano zine oxide sunscreen cream of light industry standard QB/T2410:
Experiment equipment: quartz cell (1.2c m*4.5c is m).
Minnesota Mining and Manufacturing Company's product medical adhesive tape (3M Transpore " 1527-3),
Ultraviolet/visible spectrophotometer: Double beams scanning record, wave-length coverage: 190nm～900nm
Analytical balance: precision.0.0001g
Concrete evaluation methodology is:
1, the medical latex band of 3M company being produced is cut into the rectangle of lcm*4cm, sticking veneer is attached on the surface of quartz cell printing opacity one side.
2, connect after ultraviolet spectrophotometer instrument power source preheating, set and detect wavelength 210,240,270,295,300,330,360,390nm.
3, the quartz cell that posts adhesive tape is placed in to sample light path and reference light paths, demodulating apparatus zero point.
4, get cosmetic sample in posting on the quartz cell surface of adhesive tape with glass rod, essence claims (8 scholar 0.2) mg, brings after medical latex fingerstall, and sample application is even.Claim eight parallel sample.
5,, under room temperature, the absorption cell of sample application is placed to 30min, to be measured.
6, testing sample pond is placed in to sample light path, another quartz cell that posts adhesive tape is placed in reference light paths, and side is fixed 210,240,270,295,300,330,360, the ultraviolet absorptivity value of eight wavelength of 390nm, as shown in the table:
| Wavelength | 210 | 240 | 270 | 295 | 300 | 330 | 360 | 390 |
| Ultraviolet absorptivity | 2.0 | 1.7 | 0.8 | 0.6 | 0.8 | 2.1 | 2.1 | 2.1 |
Observed data is known, and the nano zine oxide sunscreen cream of the present embodiment possesses good ultraviolet selecting and sees through ability, can retain the ultraviolet while useful to human body, the injury of the harmful ultraviolet of protection to skin as far as possible.
Embodiment 2
The nano zine oxide sunscreen cream of the present embodiment, it is characterized in that, formed by the component of following mass fraction: 10 parts of the oxide powder and zincs of particle diameter 100～285nm, 13 parts of the titanium dioxide powders of particle diameter 297～500nm, 30 parts of monostearate glyceride, 13 parts of white oils, 6 parts, vaseline, 8 parts of dehydration sorbitol sesquioleate, 9 parts of hexadecanol, 7 parts, Cera Flava, 13 parts of glycerol, 10 parts of deionized waters, 4 parts of triethanolamine, 3 parts of methyl hydroxybenzoates, 13 parts of Chinese medicine extraction elite solution; Described Chinese medicine extraction elite solution is the Chinese medicine extraction elite solution that after Radix Angelicae Sinensis, Radix Polygoni Multiflori, Radix Ginseng, Stigma Croci, the Radix Angelicae Dahuricae, Ramulus Cinnamomi, Semen Coicis micronizing, the concentrated mass fraction obtaining of decoction filtering is 40%;
The oxide powder and zinc preparation process of described particle diameter 100～285nm is as follows:
1) get the oxalic acid solid of mol ratio 1:l and Zinc diacetate dihydrate solid and be placed in and grind alms bowl, fully grind 35 minutes;
2) product step 1) being obtained in baking oven in 75 degrees Celsius of vacuum dryings 5 hours;
3) by step 2) product that obtains is placed in muffle furnace and is heated to 470 degrees Celsius and keeps 3 hours, obtains described particle diameter 100～285nm oxide powder and zinc;
This Zinc oxide powder is placed under atomic force microscope to observation, and to obtain this Zinc oxide powder particle diameter be 100～285nm.
The titanium dioxide powder preparation process of described particle diameter 297～500nm is as follows:
1) butyl titanate and dehydrated alcohol are mixed, be mixed with ethanol mass fraction and be 13% solution;
2) prepare with step 1) in the distilled water of 5 times of the solution qualities that obtain;
3) solution step 1) being obtained dropwise splashes into the just step 2 at strong stirring) in the distilled water that obtains, form titanium dioxide gelatinous precipitate;
4) the titanium dioxide gelatinous precipitate obtaining in filtration cleaning, drying step 3) obtains the titanium dioxide powder of described particle diameter 297～500nm;
This titania powder is placed under atomic force microscope to observation to be obtained this titania powder particle diameter and is
297～500nm。
Described nano zine oxide sunscreen cream preparation process is as follows:
1) titanium dioxide powder of the oxide powder and zinc of corresponding umber particle diameter 100～285nm, particle diameter 297～500nm, monostearate glyceride, white oil, vaseline, dehydration sorbitol sesquioleate, hexadecanol, Cera Flava are mixed and heated to 85 degrees Celsius.
2) glycerol of corresponding umber, deionized water, triethanolamine, methyl hydroxybenzoate, Chinese medicine extraction elite solution are mixed and heated to 85 degrees Celsius;
3) under agitation, the product that step 1) is obtained adds step 2 lentamente) stir in the product that obtains, continue to stir and be cooled to 35 degrees Celsius, adjusting PH to 6.5, to obtain final product.
In the present embodiment, select the Chinese medicine parts by weight proportioning in Chinese medicine extraction elite solution to be: 5 parts of Radix Angelicae Sinensis, 2 parts of Radix Polygoni Multiflori, 5 parts of Radix Ginsengs, 5 parts of Stigma Crocis, 6 parts of the Radixs Angelicae Dahuricae, 4 parts of Ramulus Cinnamomi, 3 parts of Semen Coiciss.
After the nano zine oxide sunscreen cream described in obtaining the present embodiment, as follows to the ultraviolet sun-proof result evaluation of UVA, UVB, UVC wave band part wavelength with reference to mono-1998 pairs of this nano zine oxide sunscreen cream of light industry standard QB/T2410:
Experiment equipment: quartz cell (1.2c m*4.5c is m).
Minnesota Mining and Manufacturing Company's product medical adhesive tape (3M Transpore " 1527-3),
Ultraviolet/visible spectrophotometer: Double beams scanning record, wave-length coverage: 190nm～900nm
Analytical balance: precision.0.0001g
Concrete evaluation methodology is:
1, the medical latex band of 3M company being produced is cut into the rectangle of lcm*4cm, sticking veneer is attached on the surface of quartz cell printing opacity one side.
2, connect after ultraviolet spectrophotometer instrument power source preheating, set and detect wavelength 210,240,270,295,300,330,360,390nm.
3, the quartz cell that posts adhesive tape is placed in to sample light path and reference light paths, demodulating apparatus zero point.
4, get cosmetic sample in posting on the quartz cell surface of adhesive tape with glass rod, essence claims (8 scholar 0.2) mg, brings after medical latex fingerstall, and sample application is even.Claim eight parallel sample.
5,, under room temperature, the absorption cell of sample application is placed to 30min, to be measured.
6, testing sample pond is placed in to sample light path, another quartz cell that posts adhesive tape is placed in reference light paths, and side is fixed 210,240,270,295,300,330,360, the ultraviolet absorptivity value of eight wavelength of 390nm, as shown in the table:
| Wavelength | 210 | 240 | 270 | 295 | 300 | 330 | 360 | 390 |
| Ultraviolet absorptivity | 1.9 | 1.8 | 0.7 | 0.6 | 0.8 | 1.9 | 2.1 | 2.1 |
Observed data is known, and the nano zine oxide sunscreen cream of the present embodiment possesses good ultraviolet selecting and sees through ability, can retain the ultraviolet while useful to human body, the injury of the harmful ultraviolet of protection to skin as far as possible.
Embodiment 3
The nano zine oxide sunscreen cream of the present embodiment, it is characterized in that, formed by the component of following mass fraction: 8 parts of the oxide powder and zincs of particle diameter 100～285nm, 10 parts of the titanium dioxide powders of particle diameter 297～500nm, 15 parts of monostearate glyceride, 12 parts of white oils, 5 parts, vaseline, 6 parts of dehydration sorbitol sesquioleate, 8 parts of hexadecanol, 5 parts, Cera Flava, 6 parts of glycerol, 8 parts of deionized waters, 4 parts of triethanolamine, 2 parts of methyl hydroxybenzoates, 12 parts of Chinese medicine extraction elite solution; Described Chinese medicine extraction elite solution is the Chinese medicine extraction elite solution that after Radix Angelicae Sinensis, Radix Polygoni Multiflori, Radix Ginseng, Stigma Croci, the Radix Angelicae Dahuricae, Ramulus Cinnamomi, Semen Coicis micronizing, the concentrated mass fraction obtaining of decoction filtering is 40%;
The oxide powder and zinc preparation process of described particle diameter 100～285nm is as follows:
1) get the oxalic acid solid of mol ratio 1:l and Zinc diacetate dihydrate solid and be placed in and grind alms bowl, fully grind 35 minutes;
2) product step 1) being obtained in baking oven in 75 degrees Celsius of vacuum dryings 5 hours;
3) by step 2) product that obtains is placed in muffle furnace and is heated to 470 degrees Celsius and keeps 3 hours, obtains described particle diameter 100～285nm oxide powder and zinc;
This Zinc oxide powder is placed under atomic force microscope to observation, and to obtain this Zinc oxide powder particle diameter be 100～285nm.
The titanium dioxide powder preparation process of described particle diameter 297～500nm is as follows:
1) butyl titanate and dehydrated alcohol are mixed, be mixed with ethanol mass fraction and be 13% solution;
2) prepare with step 1) in the distilled water of 5 times of the solution qualities that obtain;
3) solution step 1) being obtained dropwise splashes into the just step 2 at strong stirring) in the distilled water that obtains, form titanium dioxide gelatinous precipitate;
4) the titanium dioxide gelatinous precipitate obtaining in filtration cleaning, drying step 3) obtains the titanium dioxide powder of described particle diameter 297～500nm;
This titania powder is placed under atomic force microscope to observation to be obtained this titania powder particle diameter and is
297～500nm。
Described nano zine oxide sunscreen cream preparation process is as follows:
1) titanium dioxide powder of the oxide powder and zinc of corresponding umber particle diameter 100～285nm, particle diameter 297～500nm, monostearate glyceride, white oil, vaseline, dehydration sorbitol sesquioleate, hexadecanol, Cera Flava are mixed and heated to 85 degrees Celsius.
2) glycerol of corresponding umber, deionized water, triethanolamine, methyl hydroxybenzoate, Chinese medicine extraction elite solution are mixed and heated to 85 degrees Celsius;
3) under agitation, the product that step 1) is obtained adds step 2 lentamente) stir in the product that obtains, continue to stir and be cooled to 32 degrees Celsius, adjusting PH to 5, to obtain final product.
In the present embodiment, the Chinese medicine parts by weight proportioning in Chinese medicine extraction elite solution is: 2～5 parts of Radix Angelicae Sinensis, 1 part of Radix Polygoni Multiflori, 34 parts of Radix Ginsengs, 4 parts of Stigma Crocis, 5 parts of the Radixs Angelicae Dahuricae, 3 parts of Ramulus Cinnamomi, 2 parts of Semen Coiciss.
After the nano zine oxide sunscreen cream described in obtaining the present embodiment, as follows to the ultraviolet sun-proof result evaluation of UVA, UVB, UVC wave band part wavelength with reference to mono-1998 pairs of this nano zine oxide sunscreen cream of light industry standard QB/T2410:
Experiment equipment: quartz cell (1.2c m*4.5c is m).
Minnesota Mining and Manufacturing Company's product medical adhesive tape (3M Transpore " 1527-3),
Ultraviolet/visible spectrophotometer: Double beams scanning record, wave-length coverage: 190nm～900nm
Analytical balance: precision.0.0001g
Concrete evaluation methodology is:
1, the medical latex band of 3M company being produced is cut into the rectangle of lcm*4cm, sticking veneer is attached on the surface of quartz cell printing opacity one side.
2, connect after ultraviolet spectrophotometer instrument power source preheating, set and detect wavelength 210,240,270,295,300,330,360,390nm.
3, the quartz cell that posts adhesive tape is placed in to sample light path and reference light paths, demodulating apparatus zero point.
4, get cosmetic sample in posting on the quartz cell surface of adhesive tape with glass rod, essence claims (8 scholar 0.2) mg, brings after medical latex fingerstall, and sample application is even.Claim eight parallel sample.
5,, under room temperature, the absorption cell of sample application is placed to 30min, to be measured.
6, testing sample pond is placed in to sample light path, another quartz cell that posts adhesive tape is placed in reference light paths, and side is fixed 210,240,270,295,300,330,360, the ultraviolet absorptivity value of eight wavelength of 390nm, as shown in the table:
| Wavelength | 210 | 240 | 270 | 295 | 300 | 330 | 360 | 390 |
| Ultraviolet absorptivity | 2.0 | 1.8 | 0.9 | 0.5 | 0.6 | 1.9 | 2.1 | 2.1 |
Observed data is known, and the nano zine oxide sunscreen cream of the present embodiment possesses good ultraviolet selecting and sees through ability, can retain the ultraviolet while useful to human body, the injury of the harmful ultraviolet of protection to skin as far as possible.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Not departing under the spirit and scope of the present invention prerequisite of claims definition, can make in the form and details various variations to it.
Claims (5)
1. a nano zine oxide sunscreen cream, it is characterized in that, formed by the component of following mass fraction: 6～10 parts of the oxide powder and zincs of particle diameter 100～285nm, 8～13 parts of the titanium dioxide powders of particle diameter 297～500nm, 10～30 parts of monostearate glyceride, 10～13 parts of white oils, 4～6 parts, vaseline, 4～8 parts of dehydration sorbitol sesquioleate, 7～9 parts of hexadecanol, 3～7 parts, Cera Flava, 5～13 parts of glycerol, 7～10 parts of deionized waters, 4 parts of triethanolamine, 1～3 part of methyl hydroxybenzoate, 10～13 parts of Chinese medicine extraction elite solution; Described Chinese medicine extraction elite solution is the Chinese medicine extraction elite solution that after Radix Angelicae Sinensis, Radix Polygoni Multiflori, Radix Ginseng, Stigma Croci, the Radix Angelicae Dahuricae, Ramulus Cinnamomi, Semen Coicis micronizing, the concentrated mass fraction obtaining of decoction filtering is 40%;
The oxide powder and zinc preparation process of described particle diameter 100～285nm is as follows:
1) get the oxalic acid solid of mol ratio 1:l and Zinc diacetate dihydrate solid and be placed in and grind alms bowl, fully grind 35 minutes;
2) product step 1) being obtained in baking oven in 75 degrees Celsius of vacuum dryings 5 hours;
3) by step 2) product that obtains is placed in muffle furnace and is heated to 470 degrees Celsius and keeps 3 hours, obtains described particle diameter 100～285nm oxide powder and zinc;
The titanium dioxide powder preparation process of described particle diameter 297～500nm is as follows:
1) butyl titanate and dehydrated alcohol are mixed, be mixed with ethanol mass fraction and be 13% solution;
2) prepare with step 1) in the distilled water of 5 times of the solution qualities that obtain;
3) solution step 1) being obtained dropwise splashes into the just step 2 at strong stirring) in the distilled water that obtains, form titanium dioxide gelatinous precipitate;
4) the titanium dioxide gelatinous precipitate obtaining in filtration cleaning, drying step 3) obtains the titanium dioxide powder of described particle diameter 297～500nm;
Described nano zine oxide sunscreen cream preparation process is as follows:
1) titanium dioxide powder of the oxide powder and zinc of corresponding umber particle diameter 100～285nm, particle diameter 297～500nm, monostearate glyceride, white oil, vaseline, dehydration sorbitol sesquioleate, hexadecanol, Cera Flava are mixed and heated to 85 degrees Celsius;
2) glycerol of corresponding umber, deionized water, triethanolamine, methyl hydroxybenzoate, Chinese medicine extraction elite solution are mixed and heated to 85 degrees Celsius;
3) under agitation, the product that step 1) is obtained adds step 2 lentamente) stir in the product that obtains, continue to stir and be cooled to 30～35 degrees Celsius, adjusting PH to 4～6.5, to obtain final product.
2. a kind of nano zine oxide sunscreen cream according to claim 1, it is characterized in that, the Chinese medicine parts by weight proportioning in described Chinese medicine extraction elite solution is: 2～5 parts of Radix Angelicae Sinensis, 1～2 part of Radix Polygoni Multiflori, 3～5 parts of Radix Ginsengs, 2～5 parts of Stigma Crocis, 3～6 parts of the Radixs Angelicae Dahuricae, 2～4 parts of Ramulus Cinnamomi, 1～3 part of Semen Coicis.
3. a kind of nano zine oxide sunscreen cream according to claim 1, it is characterized in that, the Chinese medicine parts by weight proportioning in described Chinese medicine extraction elite solution is: 2 parts of Radix Angelicae Sinensis, 1 part of Radix Polygoni Multiflori, 3 parts of Radix Ginsengs, 2 parts of Stigma Crocis, 3 parts of the Radixs Angelicae Dahuricae, 2 parts of Ramulus Cinnamomi, 1 part of Semen Coicis.
4. a kind of nano zine oxide sunscreen cream according to claim 1, it is characterized in that, the Chinese medicine parts by weight proportioning in described Chinese medicine extraction elite solution is: 5 parts of Radix Angelicae Sinensis, 2 parts of Radix Polygoni Multiflori, 5 parts of Radix Ginsengs, 5 parts of Stigma Crocis, 6 parts of the Radixs Angelicae Dahuricae, 4 parts of Ramulus Cinnamomi, 3 parts of Semen Coiciss.
5. a kind of nano zine oxide sunscreen cream according to claim 1, it is characterized in that, the Chinese medicine parts by weight proportioning in described Chinese medicine extraction elite solution is: 2～5 parts of Radix Angelicae Sinensis, 1 part of Radix Polygoni Multiflori, 34 parts of Radix Ginsengs, 4 parts of Stigma Crocis, 5 parts of the Radixs Angelicae Dahuricae, 3 parts of Ramulus Cinnamomi, 2 parts of Semen Coiciss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410069537.3A CN103800269A (en) | 2014-02-27 | 2014-02-27 | Nano-zinc oxide sun-blocking cream |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083301A (en) * | 2014-06-30 | 2014-10-08 | 吴雪琴 | Method for preparing apple polyphenol whitening sun-screening cream and product thereof |
| CN106361584A (en) * | 2016-10-31 | 2017-02-01 | 苏州宇希新材料科技有限公司 | Nanometer titania-zinc oxide composite powder material |
| CN106491377A (en) * | 2016-10-31 | 2017-03-15 | 苏州宇希新材料科技有限公司 | A kind of preparation method of composite nano-powder material |
| CN108524384A (en) * | 2017-03-03 | 2018-09-14 | 吴瑶琴 | A kind of suncream and its preparation process |
| CN112057355A (en) * | 2020-09-29 | 2020-12-11 | 河南英能新材料科技有限公司 | Sunscreen skin care product additive and application thereof |
| WO2021075984A1 (en) * | 2019-10-17 | 2021-04-22 | Southstar Technologies Limited | Improvements in and relating to fertiliser compositions |
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2014
- 2014-02-27 CN CN201410069537.3A patent/CN103800269A/en active Pending
Non-Patent Citations (1)
| Title |
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| 中华人民共和国卫生部: "《化妆品卫生规范》", 31 January 2007 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083301A (en) * | 2014-06-30 | 2014-10-08 | 吴雪琴 | Method for preparing apple polyphenol whitening sun-screening cream and product thereof |
| CN106361584A (en) * | 2016-10-31 | 2017-02-01 | 苏州宇希新材料科技有限公司 | Nanometer titania-zinc oxide composite powder material |
| CN106491377A (en) * | 2016-10-31 | 2017-03-15 | 苏州宇希新材料科技有限公司 | A kind of preparation method of composite nano-powder material |
| CN106491377B (en) * | 2016-10-31 | 2019-09-10 | 苏州宇希新材料科技有限公司 | A kind of preparation method of composite nano-powder material |
| CN106361584B (en) * | 2016-10-31 | 2019-09-13 | 苏州宇希新材料科技有限公司 | A kind of nano-titanium dioxide-zinc oxide composite powder material |
| CN108524384A (en) * | 2017-03-03 | 2018-09-14 | 吴瑶琴 | A kind of suncream and its preparation process |
| WO2021075984A1 (en) * | 2019-10-17 | 2021-04-22 | Southstar Technologies Limited | Improvements in and relating to fertiliser compositions |
| CN112057355A (en) * | 2020-09-29 | 2020-12-11 | 河南英能新材料科技有限公司 | Sunscreen skin care product additive and application thereof |
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