CN103230355B - Sunscreen cream cosmetic composition containing nano crystal cellulose - Google Patents
Sunscreen cream cosmetic composition containing nano crystal cellulose Download PDFInfo
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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 (such as sunscreen cream) is that the ultraviolet in sunray and human body skin are intercepted the skincare product come.Sunscreen cream has various ways, and if physical sunscreen frost adds sun-proof particle in sunscreen cream, this particle can absorb and uv reflectance, thus plays anti-sunlight function; Chemical sunscreen frost adds some chemical substance, thus play absorption action of ultraviolet radiation; Biological sunscreen cream is then that some chemical substance is deep into skin cell core, plays Cell protection DNA effect, thus reaches and prevent ultraviolet injury object; Medicinal sunscreen cream selects Chinese herbal medicine composition to adsorb ultraviolet, thus plays sun-proof result.Though some compounds can prevent ultraviolet to the injury of skin, but also can play side effect to skin, from another angle, skin is damaged.In general, low by compound barrier ultraviolet radiation efficiency, in sunscreen cream, adding inorganic particulate shielding of ultraviolet, then efficiency is higher.
As everyone knows, nano titanium oxide has huge specific surface area and the nano-scale of itself, can play absorption and scattering process, be usually used among sunscreen cream ultraviolet Zhong UVA district (320 ~ 400nm) and UVB district (280 ~ 320nm).The principle of nano titanium oxide shielding of ultraviolet comprise (1) due to specific surface area own huge, ultraviolet is absorbed; (2) nano-scale due to itself is close with ultraviolet wavelength, and particle produces resonance under the irradiation of light wave, consumes ultraviolet energy on the one hand, again ultraviolet scattering of wave is gone out on the other hand.But consumption can not be too large on sunscreen cream for nano titanium oxide, otherwise produce non-uniform phenomenon when dermal application; In addition, nano titanium oxide may be prepared burden with sunscreen cream and be inspired the single electron structure of free radical under the irradiation of ultraviolet and visible ray, and this electronic structure oxidability is strong, causes the injury to human skin cell.
CN101909597A discloses a kind of gel rubber system comprising 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 cannot irradiate by shielding of ultraviolet, also cannot reduce the consumption of nano titanium oxide.
Nanocrystal cellulose (NCC) is nanometer crystalline particle.The nanoparticle that NCC is natural plant fibre acid hydrolysis and obtains, not only remains structure and the chemical feature of native cellulose, and harmless to human non-toxic, and some also can be used as the additive of food and medicine.But, there is no the report of the application of NCC in sunscreen cream at present.
Summary of the invention
In order to overcome the defect of prior art, inventors performed further investigation, being surprised to find that and adopting nanocrystal cellulose (NCC) and nano titanium oxide can arrive good sun-proof result, and the consumption of nano titanium oxide in sunscreen product can be reduced.
The invention provides a kind of sunscreen cream cosmetic composition containing nanocrystal cellulose, comprise nanocrystal cellulose and nano titanium oxide.Preferably, based on the total weight of compositions, comprise nanocrystal cellulose and 0.005 ~ 3.0wt% nano titanium oxide of 0.5 ~ 5.0wt%.Preferably, based on the total weight of compositions, comprise nanocrystal cellulose and 0.05 ~ 0.5wt% nano titanium oxide of 1 ~ 5wt%.More preferably, based on the total weight of compositions, comprise nanocrystal cellulose and 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, is more preferably 50 ~ 60nm.In the present invention, the particle diameter of nano titanium oxide is 20 ~ 100nm, is preferably 30 ~ 70nm, is more preferably 30 ~ 60nm.
In the present invention, one or more following components that described compositions 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-PD.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 total weight 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-PD.HANSHENGJIAO (i.e. xanthan gum) is fermented through Xanthomonas campestris by saccharide, the outer microbial polysaccharide of born of the same parents of generation.Methyl hydroxybenzoate is as antiseptic.
In the present invention, based on the total weight 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 be obtained by conventional method.For example, after the material containing nanocrystal cellulose and the material containing nano titanium oxide are mixed in proportion, add other raw materials, be made into through heating, stirring, high pressure homogenize etc.
Nanocrystal cellulose (NCC) is combined with nano titanium oxide by the present invention, then adds batching and is made in sunscreen product (such as sunscreen cream).The consumption of nano titanium oxide in sunscreen product can be reduced like this.In addition, the result of use of sunscreen product can also be improved simultaneously.
In addition, NCC is comparatively strong at UVA wave band sun-proof result, and nano titanium oxide is strong at UVB wave band sun-proof result, the two combination better can be covered two wave bands, more the good news is, due to the result of cooperative effect after the two combination, can be higher at the sun-proof result of UVA and UVB two wave bands.
Further, cosmetic composition of the present invention can prevent the UVA district of 320 ~ 400nm and the UVB district ultraviolet radiation of 280 ~ 320nm, its SPF (sun protection factor) (SPF) value is greater than 15, plays the effect of protection human body skin.This sunscreen cream is nontoxic to human-body safety, and sun-proof usefulness is high, can be applicable to all kinds of crowd and use.
Accompanying drawing explanation
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 nano titanium oxide of the NCC of 1wt%, 0.01wt%;
2, the mixed aqueous solution of NCC and nano titanium oxide, the two total concentration is 1wt%, and wherein NCC and nanometer are the weight ratio of titanium oxide is 300:1;
3, the mixed aqueous solution of NCC and nano titanium oxide, the two total concentration is 1wt%, and wherein NCC and nanometer are 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%.
Detailed description of the invention
Describe the present invention in detail by the following examples, but the present invention is not limited to these embodiments.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 represents diameter.
The mensuration of absorbance: adopt ultraviolet-uisible spectrophotometer (model: UV-2450) to measure the absorbance of solution.Absorption cell specification: quartz cell (1cm), twin polishing; Environmental condition: temperature 28 DEG C; 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 UVA wave band; 0.01wt% nano titanium oxide aqueous solution (curve 5), to absorb ultraviolet spectrogram stronger at UVB wave band; The result (curve 1,2,3) of mixed aqueous solution (containing 1wt%NCC, 0.01wt% nano titanium oxide), demonstrates UVA and UVB wave band absorbability and greatly strengthens, and absorbance is greater than the two sum.
The particle size determination of nanocrystal cellulose, nano titanium oxide: adopt cold field emission scanning electron microscope (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 obtaining from for Plant fiber in cotton, numb and timber paddle board through acid hydrolysis, be nanoparticle, length is 150nm ~ 300nm, diameter 30nm ~ 100nm, the degree of polymerization 160 ~ 180, adopts the particle of length 200nm, diameter 50nm in embodiments of the invention; Nano titanium oxide comes from Aladdin Chemical Co., Ltd. (Aladdin Chemistry Co Ltd), Mw=79.87, and rutile-type is hydrophilic.
Below describe the basic recipe of sunscreen cream of the present invention, comprise A phase, B phase, C phase and D phase (following proportioning is percetage by weight, all based on the total weight of sunscreen cream, unless specifically stated otherwise).
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%;
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 nano titanium oxide, the aluminium silicate of 5%, the sodium polyacrylate of 33.2% of 1.8%, surplus is water; 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, in sunscreen cream, the consumption of essence is 0.2%.
Embodiment 1
By percentage by weight preparation A, B, C, D phase (with the gross weight of sunscreen cream for 1kg prepares) described in above-mentioned basic recipe.First with stainless-steel pan, A phase materials is heated to 50 DEG C, be placed in the rustless steel high speed homogenization blender of 10 liters of band heating again, with under 2000 revs/min of mixing speeds, by B phase materials, (consumption of NCC is 3%, total weight based on sunscreen cream), (consumption of nano titanium oxide dispersion is 6.5% to C phase, total weight based on sunscreen cream) material slowly adds in A phase materials, treat A, B, after C phase materials mix homogeneously, add D phase materials again, continue to stir after 30 minutes at the same rate, again total material is shifted out, after being placed in the high pressure homogenizer process of 20MPa, obtain containing NCC and nano titanium oxide sunscreen cream.By sunscreen cream constant temperature sterilizing in 2 hours at 95 DEG C, naturally cool to room temperature, add the essence measured described in basic recipe and obtain sunscreen cream.
Embodiment 2
By formula and the operational approach of embodiment 1, wherein NCC consumption in B phase is adjusted to the total weight of 4%(based on sunscreen cream), in C phase, nano titanium oxide dispersion consumption is adjusted to the total weight of 5.5%(based on sunscreen cream), obtain sunscreen cream.
Embodiment 3
By formula and the operational approach of embodiment 1, wherein NCC consumption in B phase is adjusted to the total weight of 1%(based on sunscreen cream), in C phase, nano titanium oxide dispersion consumption is adjusted to the total weight of 8.5%(based on sunscreen cream), obtain sunscreen cream.
Embodiment 4
By formula and the operational approach of embodiment 1, wherein NCC consumption in B phase is adjusted to the total weight of 5%(based on sunscreen cream), in C phase, nano titanium oxide dispersion consumption is adjusted to the total weight of 4.5%(based on sunscreen cream), obtain sunscreen cream.
Claims (9)
1. the sunscreen cream cosmetic composition containing nanocrystal cellulose, it is characterized in that, comprise nanocrystal cellulose and nano titanium oxide, based on the total weight of compositions, nanocrystal cellulose content is 0.5 ~ 5.0wt%, and nanometer titanium dioxide Ti content is 0.005 ~ 3.0wt%; Nanocrystal cellulose particle diameter is 30 ~ 100nm, and the particle diameter of nano titanium oxide is 20 ~ 100nm.
2. compositions according to claim 1, is characterized in that, based on the total weight of compositions, nanocrystal cellulose content is 2 ~ 4.0wt%, and nanometer titanium dioxide Ti content is 0.1 ~ 0.3wt%.
3. compositions according to claim 1 and 2, is characterized in that, the particle diameter of nano titanium oxide is 30 ~ 60nm, and nanocrystal cellulose particle diameter is 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-PD; Based on the total weight of compositions, the consumption of 1,2-PD is 3.0-8.0wt%.
8. compositions according to claim 1 and 2, is characterized in that, based on the total weight of compositions, described compositions also comprises:
9. compositions according to claim 8, is characterized in that, based on the total weight 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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Families Citing this family (5)
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| CN104644472B (en) * | 2013-11-25 | 2018-07-27 | 珠海市红旌发展有限公司 | A kind of scrub cream and preparation method thereof |
| CN104974357B (en) * | 2014-04-10 | 2018-04-20 | 中国科学院理化技术研究所 | Uvioresistant sheet-like cellulosic materials and its preparation method and application |
| CN106109329A (en) * | 2016-08-03 | 2016-11-16 | 王永福 | A kind of nano sunlight screening gel and preparation method thereof |
| CA3044721C (en) * | 2016-11-30 | 2024-01-02 | 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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