CN103230355A - Sunscreen cream cosmetic composition containing nano crystal cellulose - Google Patents
Sunscreen cream cosmetic composition containing nano crystal cellulose Download PDFInfo
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- CN103230355A CN103230355A CN2013101631016A CN201310163101A CN103230355A CN 103230355 A CN103230355 A CN 103230355A CN 2013101631016 A CN2013101631016 A CN 2013101631016A CN 201310163101 A CN201310163101 A CN 201310163101A CN 103230355 A CN103230355 A CN 103230355A
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Abstract
The invention discloses a sunscreen cream cosmetic composition containing nano crystal cellulose. The sunscreen cream cosmetic composition comprises the nano crystal cellulose and nano titanium dioxide. The sunscreen cream cosmetic composition is used for a sunscreen cream, is capable of preventing ultraviolet irradiation in a UVA (Ultraviolet A) region being 320-400nm and a UVB (Ultraviolet B) region being 280-320nm, and is high in sunscreen efficiency; and the sun protect factor (SPF) value is more than 15. The sunscreen cream is safe for a human body without toxicity, and can be suitable for being used by various kinds of persons.
Description
Technical field
The present invention relates to a kind of sunscreen cream cosmetic composition.
Background technology
Sunscreen product (for example sunscreen cream) is that the ultraviolet in the sunray and human body skin are intercepted the skincare product that comes.Sunscreen cream has various ways, is to add sun-proof particle in sunscreen cream as the physical sunscreen frost, and this particle can absorb and uv reflectance, thereby plays anti-sunlight function; The chemistry sunscreen cream is to add some chemical substance, thereby plays the absorption action of ultraviolet radiation; Biological sunscreen cream then is that some chemical substance is deep into skin cell nuclear, plays the effect of protection cell DNA, prevents the ultraviolet injury purpose thereby reach; Medicinal sunscreen cream is selected Chinese herbal medicine composition absorption ultraviolet for use, thereby plays sun-proof result.Though the chemical compound that has can prevent ultraviolet to the injury of skin, but also can play side effect to skin, from another angle skin be damaged.In general, low with compound barrier ultraviolet radiation efficient, then efficient is higher to add the inorganic particulate shielding of ultraviolet in sunscreen cream.
As everyone knows, nano titanium oxide has the nano-scale of huge specific surface area and itself, can be to the UVA district in the ultraviolet (320～400nm) and (280～320nm) play absorption and scattering process, are usually used among the sunscreen cream in the UVB district.The principle of nano titanium oxide shielding of ultraviolet comprises (1) because specific surface area own is huge, and ultraviolet is absorbed; (2) because itself nano-scale and ultraviolet wavelength are close, and particle produces resonance under the irradiation of light wave, consume ultraviolet energy on the one hand, again the ultraviolet scattering of wave is gone out on the other hand.But consumption can not be too big on sunscreen cream for nano titanium oxide, otherwise produce non-uniform phenomenon when skin is smeared; In addition, nano titanium oxide may inspire the single electron structure of free radical with the sunscreen cream batching under ultraviolet and visible light radiation, and this electronic structure oxidability is strong, causes the injury to the human skin cell.
CN101909597A discloses a kind of gel rubber system that comprises nano-particle and macroscopic particles, and wherein inorganic nanoparticles is selected from silicon dioxide, aluminium oxide, titanium dioxide, zirconium dioxide, zinc oxide, tin indium oxide, ceria; Macroscopic particles is selected from silicone elastomer, siloxanes interpretation, nylon, polyurethane, cellulose bead; The granularity of macroscopic particles is about 2-50 micron.But in this patent micron-sized cellulose bead being used for sunscreen product can't shine by shielding of ultraviolet, also can't reduce the consumption of nano titanium oxide.
Nanocrystal cellulose (NCC) is nanometer crystalline particle.NCC is the nanoparticle that natural plant fibre obtains with acid hydrolysis, has not only kept structure and the chemical feature of native cellulose, and nontoxic to human body, and some also can be used as the additive of food and medicine.But, the present report that does not still have the application of NCC in sunscreen cream.
Summary of the invention
In order to overcome the defective of prior art, the inventor furthers investigate, and is surprised to find that to adopt nanocrystal cellulose (NCC) and nano titanium oxide can arrive good sun-proof result, and can reduces the consumption of nano titanium oxide in sunscreen product.
The invention provides a kind of sunscreen cream cosmetic composition that contains nanocrystal cellulose, comprise nanocrystal cellulose and nano titanium oxide.Preferably, based on the gross weight meter of compositions, comprise nanocrystal cellulose and the 0.005～3.0wt% nano titanium oxide of 0.5～5.0wt%.Preferably, based on the gross weight meter of compositions, comprise nanocrystal cellulose and the 0.05～0.5wt% nano titanium oxide of 1～5wt%.More preferably, based on the gross weight meter of compositions, comprise nanocrystal cellulose and the 0.1～0.3wt% nano titanium oxide of 2～4wt%.
In the present invention, the particle diameter of nanocrystal cellulose is 10～100nm.Preferably, the particle diameter of nanocrystal cellulose is 30～80nm, more preferably 50～60nm.In the present invention, the particle diameter of nano titanium oxide is 20～100nm, is preferably 30～70nm, more preferably 30～60nm.
In the present invention, described compositions one or more following components that can also comprise: glyceryl monostearate, vaseline, propylene glycol, HANSHENGJIAO, Aloe gel, glycerol, span, tween and methyl hydroxybenzoate.Preferably, described compositions comprises propylene glycol, is preferably 1,2-propylene glycol.Further preferably, compositions of the present invention also comprises octadecanol, polydimethylsiloxane and 2-bromo-2-nitro-1,3 propylene glycol.
In the present invention, described span can be Arlacel-60; Described tween can be Tween-60.
In the present invention, based on the gross weight meter of compositions, described compositions can also comprise following component:
Glyceryl monostearate 0.5-2.0wt%; Be preferably 0.8-1.5wt%;
Vaseline 0.2-1.0wt%; Be preferably 0.5-1.0wt%;
Propylene glycol 3.0-8.0wt%; Be preferably 5.0-6.0wt%;
HANSHENGJIAO 0.01-0.3wt%; Be preferably 0.05-0.1wt%;
Aloe gel 0.2-1.0wt%; Be preferably 0.5-0.7wt%;
Glycerol 3.0-10.0wt%; Be preferably 4.0-6.0wt%;
Arlacel-60 0.2-1.0wt%; Be preferably 0.3-0.5wt%;
Tween-60 0.5-1.5wt%; Be preferably 0.8-1.2wt%;
Methyl hydroxybenzoate 0.05-0.3wt%; Be preferably 0.1-0.15wt%.
In the present invention, propylene glycol is preferably 1,2-propylene glycol.HANSHENGJIAO (being xanthan gum) is to be fermented through Xanthomonas campestris by saccharide, the outer microbial polysaccharide of the born of the same parents of generation.Methyl hydroxybenzoate is as antiseptic.
In the present invention, based on the gross weight meter of compositions, described compositions also comprises following component:
Octadecanol 0.1-1.0wt%; Be preferably 0.2-0.5wt%;
Polydimethylsiloxane 0.5-2.0wt%; Be preferably 0.8-1.0wt%;
2-bromo-2-nitro-1,3 propylene glycol 0.01-0.1wt%; Be preferably 0.2-0.05wt%.
Sunscreen product of the present invention can obtain by conventional method.For instance, after the material that will contain the material of nanocrystal cellulose and contain nano titanium oxide is mixed in proportion, add other raw materials, be made into through heating, stirring, high pressure homogenize etc.
The present invention is used in combination nanocrystal cellulose (NCC) with nano titanium oxide, add then to be made in the sunscreen product (for example sunscreen cream).Can reduce the consumption of nano titanium oxide in sunscreen product like this.In addition, can also improve the result of use of sunscreen product simultaneously.
In addition, NCC is stronger at UVA wave band sun-proof result, and nano titanium oxide is strong at UVB wave band sun-proof result, with two wave bands of the better covering of the two binding energy, more the good news is, the two in conjunction with the back because the result of cooperative effect, can be higher at the sun-proof result of UVA and two wave bands of UVB.
Have, cosmetic composition of the present invention can prevent the UVA district of 320～400nm and the UVB district ultraviolet radiation of 280～320nm again, and its SPF (sun protection factor) (SPF) is worth greater than 15, plays the effect of protection human body skin.This sunscreen cream is to the human body safety non-toxic, and sun-proof usefulness height can be fit to all kinds of crowds and use.
Description of drawings
Fig. 1 is the absorbance of different solutions in ultraviolet light range.Marginal data is as follows:
1, the mixed aqueous solution of NCC and nano titanium oxide, the concentration of the two is respectively: the NCC of 1wt%, the nano titanium oxide of 0.01wt%;
2, the mixed aqueous solution of NCC and nano titanium oxide, the two total concentration are 1wt%, and wherein NCC and nanometer are that the weight ratio of titanium oxide is 300:1;
3, the mixed aqueous solution of NCC and nano titanium oxide, the two total concentration are 1wt%, and wherein NCC and nanometer are that the weight ratio of titanium oxide is 600:1;
4, concentration is the colloidal state NCC aqueous solution of 1wt%;
5, concentration is the nano titanium oxide aqueous solution of 0.01wt%.
The specific embodiment
Describe the present invention by the following examples in detail, but the present invention is not limited to these embodiment.Wherein, " % " expression " wt% ", unless specifically stated otherwise.The particle diameter of nanocrystal cellulose of the present invention is added up with the diameter of cellulose granules, and namely particle diameter is represented diameter.
The mensuration of absorbance: adopt ultraviolet-uisible spectrophotometer (model: UV-2450) measure solution absorbency.Absorption cell specification: quartz cell (1cm), twin polishing; Environmental condition: 28 ℃ of temperature; Wave-length coverage: 280nm-400nm.
Adopt ultraviolet-uisible spectrophotometer to measure the absorbance of different solutions, as can be seen from Figure 1, the colloid NCC aqueous solution (curve 4) of 1wt%, to absorb ultraviolet spectrogram stronger at the UVA wave band; 0.01wt% nano titanium oxide aqueous solution (curve 5), to absorb ultraviolet spectrogram stronger at the UVB wave band; Result's (curve 1,2,3) of mixed aqueous solution (containing 1wt%NCC, the 0.01wt% nano titanium oxide) demonstrates UVA and UVB wave band absorbability greatly strengthens, and absorbance is greater than the two sum.
The particle size determination of nanocrystal cellulose, nano titanium oxide: adopt awkward silence at a meeting emission scan ultramicroscope (SEM) to measure.Resolution: 1nm; Accelerating potential: 10kV.
Raw material is described as follows: Aloe gel comes from Shanghai experimental facilities company limited in the future, is Aloe extract, SILVER REAGENT, purity 98%; Nanocrystal cellulose is for from making through acid hydrolysis for Plant fiber cotton, fiber crops and the timber paddle board, be nanoparticle, length is 150nm～300nm, diameter 30nm～100nm, the degree of polymerization 160～180, the particle of employing length 200nm, diameter 50nm in the embodiments of the invention; Nano titanium oxide comes from Aladdin chemistry company limited (Aladdin Chemistry Co Ltd), Mw=79.87, and rutile-type, hydrophilic.
Below describe the basic recipe of sunscreen cream of the present invention, comprise A phase, B phase, C mutually and D (following proportioning is percetage by weight, all based on the gross weight meter of sunscreen cream, unless specifically stated otherwise) mutually.
A phase: glyceryl monostearate 1.5%, vaseline 0.5%, Arlacel-60 0.5%, Tween-60 0.8%, octadecanol 0.5%, polydimethylsiloxane 1.0%;
B phase: 1,2 propylene glycol 6.0%, glycerol 4.0%, water 10.0%, nanocrystal cellulose (particle diameter is 50nm) 1.0～5.0%;
The C phase: water 60%, glycerol 2.0%, methyl hydroxybenzoate 0.15%, HANSHENGJIAO 0.1%, aloe gel 1:1 .0%, nano titanium oxide dispersion 4.5～8.5%(solid content are 40%, wherein contain 1.8% nano titanium oxide, 5% aluminium silicate, 33.2% sodium polyacrylate, surplus is water; The nano titanium oxide particle diameter is 30nm);
D phase: water 0.2%, 2-bromo-2-nitro-1,3 propylene glycol 0.05%, citric acid 2.0%;
In addition, the consumption of essence is 0.2% in the sunscreen cream.
Embodiment 1
By the described percentage by weight preparation of above-mentioned basic recipe A, B, C, D phase (gross weight with sunscreen cream is that 1kg prepares).Earlier with stainless-steel pan the A phase materials is heated to 50 ℃, place the rustless steel high speed homogenization blender of 10 liters of band heating again, under with 2000 rev/mins of mixing speeds, (consumption of NCC is 3% with the B phase materials, gross weight meter based on sunscreen cream), (consumption of nano titanium oxide dispersion is 6.5% to the C phase, gross weight meter based on sunscreen cream) material slowly adds in the A phase materials, treat A, B, behind the C phase materials mix homogeneously, add the D phase materials again, after continuing to stir 30 minutes at the same rate, again total material is shifted out, place the high pressure homogenizer of 20MPa to handle after, obtain containing NCC and nano titanium oxide sunscreen cream.Sunscreen cream in the sterilization in 2 hours of 95 ℃ of following constant temperature, is naturally cooled to room temperature, add the essence of measuring described in the basic recipe and obtain sunscreen cream.
Embodiment 2
Press prescription and the operational approach of embodiment 1, wherein with B mutually in the NCC consumption be adjusted into 4%(based on the gross weight meter of sunscreen cream), C mutually in nano titanium oxide dispersion consumption be adjusted into 5.5%(based on the gross weight meter of sunscreen cream), obtain sunscreen cream.
Embodiment 3
Press prescription and the operational approach of embodiment 1, wherein with B mutually in the NCC consumption be adjusted into 1%(based on the gross weight meter of sunscreen cream), C mutually in nano titanium oxide dispersion consumption be adjusted into 8.5%(based on the gross weight meter of sunscreen cream), obtain sunscreen cream.
Embodiment 4
Press prescription and the operational approach of embodiment 1, wherein with B mutually in the NCC consumption be adjusted into 5%(based on the gross weight meter of sunscreen cream), C mutually in nano titanium oxide dispersion consumption be adjusted into 4.5%(based on the gross weight meter of sunscreen cream), obtain sunscreen cream.
Claims (9)
1. a sunscreen cream cosmetic composition that contains nanocrystal cellulose is characterized in that, comprises nanocrystal cellulose and nano titanium oxide.
2. compositions according to claim 1 is characterized in that, based on the gross weight meter of compositions, nanocrystal cellulose content is 0.5～5.0wt%, preferred 2～4.0wt%; The nanometer titanium dioxide Ti content is 0.005～3.0wt%, preferred 0.1～0.3wt%.
3. compositions according to claim 1 and 2 is characterized in that, the particle diameter of nano titanium oxide is 20～100nm, preferred 30～60nm; The nanocrystal cellulose particle diameter is 10～100nm, preferred 50～60nm.
4. compositions according to claim 1 and 2, it is characterized in that described compositions also comprises one or more of following component: glyceryl monostearate, vaseline, propylene glycol, HANSHENGJIAO, Aloe gel, glycerol, span, tween, methyl hydroxybenzoate.
5. compositions according to claim 4 is characterized in that, described span is Arlacel-60; Described tween is Tween-60.
6. compositions according to claim 4 is characterized in that, described compositions comprises propylene glycol.
7. compositions according to claim 6 is characterized in that, described propylene glycol is 1,2-propylene glycol; Based on the gross weight meter of compositions, the consumption of 1,2-propylene glycol is 3.0-8.0wt%.
8. compositions according to claim 1 and 2 is characterized in that, based on the gross weight meter of compositions, described compositions also comprises:
Glyceryl monostearate 0.5-2.0wt%;
Vaseline 0.2-1.0wt%;
Propylene glycol 3.0-8.0wt%;
HANSHENGJIAO 0.01-0.3wt%;
Aloe gel 0.2-1.0wt%;
Glycerol 3.0-10.0wt%;
Arlacel-60 0.2-1.0wt%;
Tween-60 0.5-1.5wt%; With
Methyl hydroxybenzoate 0.05-0.3wt%.
9. compositions according to claim 8 is characterized in that, based on the gross weight meter of compositions, described compositions also comprises:
Octadecanol 0.1-1.0wt%;
Polydimethylsiloxane 0.5-2.0wt%; With
2-bromo-2-nitro-1,3 propylene glycol 0.01-0.1wt%.
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| WO2018100062A1 (en) * | 2016-11-30 | 2018-06-07 | Chanel Parfums Beaute | Sunscreen composition comprising nanocrystalline cellulose |
| CN109316367A (en) * | 2018-11-29 | 2019-02-12 | 华南理工大学 | A kind of ultra light sun block lotion and preparation method thereof containing nano-cellulose |
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