394 results about "Sunscreen agents" patented technology

The invention provides sunscreen cream as well as preparation and application thereof. According to the sunscreen cream, by specifically selecting the types and matching of the solid sunscreen agent, the liquid sunscreen agent, the liquid emollient, the oil phase thickener and the viscosity modifier and supplementing other components, the obtained sunscreen cream not only has higher SPF value and stability, but also can ensure better sensory experiences such as uniform smearing and fresh and non-sticky skin feeling, and has a good application prospect. Therefore, the sunscreen effect can be better exerted. Besides, compared with other solid sun-screening agents, liquid sun-screening agents, liquid emollients, oil-phase thickeners and viscosity modifiers, the sunscreen cream provided by the invention can simultaneously have higher SPF (specific pathogen factor) value, better stability and better sensory experience, and can better exert the sunscreen effect.

The invention belongs to the technical field of cosmetic efficacy evaluation, and discloses a sunscreen efficacy evaluation method and application thereof, and the method comprises the following steps: building a blank group; establishing a model group; establishing a sample group; performing constant-temperature incubation on the blank group, the model group and the sample group for a first period of time, recording a swimming track, and calculating swimming distance increment and after-sun burning pain relieving efficiency of each group of zebrafish; performing constant-temperature incubation on the blank group, the model group and the sample group for a second duration, recording the tail fin and dorsal fin area of the zebra fish, and calculating the sunburn prevention efficiency; performing constant-temperature incubation on the blank group, the model group and the sample group for a third period of time, recording the head melanin area of the zebra fish, and calculating the anti-sunburn efficiency; and grading the sunscreen effect of the sample. The method disclosed by the invention has the advantages of low cost, short test period, high reproducibility, high visualization degree, intuitive and understandable test result and the like, and can be used for accurately grading the sunscreen effects of chemical sunscreen agents, water-soluble sunscreen cosmetics and raw materials thereof from the whole animal level.

The invention relates to the technical field of cosmetics, and particularly discloses a sunscreen synergistic composition and application thereof, and the sunscreen synergistic composition comprises the following components: sugarcane extract, cyperus esculentus root oil, and Brazil palm wax (and) rice chaff wax. The sunscreen synergistic effect of the sunscreen synergistic composition is utilized, a chemical sunscreen agent with potential safety hazards can be partially replaced, the potential safety hazard coefficient is reduced due to the fact that all the sunscreen components are safe or the needed adding amount is low, and a sunscreen product which is high in sunscreen coefficient, mild in formula, low in potential safety hazards and even environmentally friendly is obtained.

The invention relates to the technical field of sunscreen cosmetics, in particular to an oil-in-water gel bead sunscreen emulsion and a preparation method thereof. The oil-in-water gel bead sunscreen emulsion comprises gel beads and a dispersion liquid, the oil-in-water gel bead sunscreen emulsion comprises, by mass, 60-80 parts of oil gel and 20-40 parts of an oil-soluble sunscreen agent, and the mass part of the dispersion liquid is 2-20 times that of the gel beads; the oil gel comprises 3-16 parts of a gelling agent, and the gelling agent comprises 0-4 parts of a hydrogenated castor oil / sebacic acid copolymer, 3-12 parts of a castor oil / isophorone diisocyanate copolymer, 0-3 parts of an additional component and 80-90 parts of grease. According to the oil-in-water gel bead sunscreen emulsion and the preparation method thereof, the oil-in-water gel bead sunscreen emulsion is stable in structure, the oil-soluble sunscreen agent can be well dispersed, meanwhile, the waterproof performance and the skin feeling can be guaranteed, and the sunscreen effect is good. The problems that in the prior art, an oil-in-water product is poor in waterproof performance, and a sun-screening agent is uneven in dispersion in a system, prone to precipitation and the like, so that the product is poor in sun-screening performance are solved.

The present invention relates to a composition capable of improving the sunscreen performance of a sunscreen, and a preparation method and application thereof. The preparation method of the composition capable of improving the sunscreen performance of a sunscreen comprises the following steps: mixing and dissolving a metal ion salt and silk fibroin in water to obtain a silk fibroin metal ion complex solution; mixing the silk fibroin metal ion complex solution with hydroxyapatite to obtain a hydroxyapatite silk fibroin metal ion mixed solution; mixing the hydroxyapatite silk fibroin metal ion mixed solution with sericin to obtain the composition capable of improving the sunscreen performance of a sunscreen. The composition has excellent ultraviolet absorption performance, can be compatible with chemical sunscreens, improve the sunscreen performance of the sunscreen, and can avoid direct contact between the chemical sunscreen and the skin, thereby reducing the sensitization and skin irritation of the chemical sunscreen.

The invention belongs to the field of daily chemicals, and discloses a preparation method of a sunscreen composition, which comprises the following steps: step 1, mixing and dispersing sodium stearoyl glutamate, a part of a thickener, a part of an alcohol solvent and a part of water; step 2, adding a sun-screening agent into the mixture obtained in the step 1; 3, grinding the mixture obtained in the step 2; 4, emulsifying and homogenizing the residual thickening agent, the residual alcohol solvent, the residual water and the mixture obtained in the step 3; the sun-screening agent contains methylene bis (benzotriazolyl) tetramethyl butyl phenol; the weight ratio of the sodium stearoyl glutamate to the methylene bis-benzotriazolyl tetramethyl butyl phenol is (2-7): (45-55). According to the sunscreen composition disclosed by the invention, wide experimental verification shows that the sodium stearoyl glutamate and the methylene bis-benzotriazolyl tetramethyl butyl phenol have obvious sunscreen synergy. Meanwhile, the invention also discloses the composition and application thereof.

The invention relates to a fiber-reinforced aerogel composite material containing a carbon and titanium dioxide biphase hybrid opacifying agent as well as a preparation method and application of the fiber-reinforced aerogel composite material. The fiber reinforced aerogel composite material containing the carbon and titanium dioxide dual-phase hybrid opacifying agent comprises an inorganic aerogel matrix, wherein a reinforced fiber skeleton and the carbon / titanium dioxide dual-phase hybrid opacifying agent are dispersed in the inorganic aerogel matrix; the carbon / titanium dioxide biphase hybrid opacifying agent comprises a titanium dioxide shell layer and carbon / titanium dioxide core-shell structure particles, wherein the surface of a reinforced fiber skeleton is coated with the titanium dioxide shell layer in situ; gaps of the reinforced fiber skeleton are filled with the carbon / titanium dioxide core-shell structure particles. The problem to be solved is to construct a two-phase hybrid shading system in which carbon / titanium dioxide core-shell particles and a titanium dioxide coating layer on the fiber surface are combined through one-step in-situ synthesis, so that the heat insulation capacity of the composite material in a high-temperature environment is synergistically improved.

The invention relates to physico-chemical combined sunscreen water dispersion slurry as well as a preparation method and application thereof. The water dispersible slurry comprises 5-20% of an inorganic sun-screening agent, 25-50% of an organic sun-screening agent, 10-30% of a humectant, 5-15% of an emulsifier, 0.1-2% of a preservative and the balance of water. The preparation method comprises the following steps: heating and dissolving the organic sun-screening agent, and cooling to room temperature; dispersing the emulsifier into the humectant, and uniformly stirring to prepare D-phase gel; adding inorganic sun-screening agent powder and the organic sun-screening agent liquid into the D-phase gel, and stirring at a high speed to obtain viscous O / D-phase gel; the mixed water and the O / D phase gel are stirred and dispersed into O / W emulsion; and carrying out high-pressure homogenization on the O / W emulsion. The water dispersible slurry can be used as a raw material to be applied to sunscreen daily cosmetics, especially O / W type sunscreen cream. By precisely regulating and controlling D-phase emulsification and a high-pressure homogenization process, a stable nano dispersion system is constructed, particle aggregation is inhibited, and the stability of the water dispersion slurry is improved. The prepared sunscreen water dispersible slurry is easy to disperse and suitable for various sunscreen systems, and the production efficiency is greatly improved.

The invention belongs to the technical field of cosmetics, and particularly relates to a lipidosome composite microemulsion sun-screening agent, a preparation method thereof and application of the lipidosome composite microemulsion sun-screening agent in cosmetics. According to the invention, by selecting specific chemical sun-screening agents for matching, full-wave-band ultraviolet protection is realized, and the sun-screening effect is improved; a specific solid lipid matrix is selected, a chemical sun-screening agent is dispersed in a lipid bilayer by using a coating technology, irritation caused by direct contact with skin is reduced, meanwhile, release of the sun-screening agent is delayed, long-acting sun-screening and light stability are improved, and a product formed by combining with a specific preparation method is smaller in particle size, more uniform in component distribution and higher in stability. Therefore, a uniform film layer is formed on the surface of the skin and is tightly attached to the skin, penetration of ultraviolet rays is reduced, and the skin feeling light effect and the film-forming property at high temperature are improved. The sun-screening agent disclosed by the invention has the advantages of efficient ultraviolet protection, excellent stability and good skin feeling, and a new technical scheme is provided for the field of sun-screening cosmetics.

The invention discloses a composite sunscreen composition with excellent film-forming property and sunscreen stability as well as a preparation method and application thereof, and belongs to the technical field of daily chemicals. The composite sunscreen composition is prepared from inulin lauryl carbamate, bis (lauramide glutamine) lysine sodium, hydroxypropyl trimethyl ammonium chloride hyaluronic acid, an ammonium acryloyldimethyl taurate / VP copolymer, a sunscreen agent, basic grease, and cosmetically acceptable auxiliary materials and a solvent, the sunscreen emulsion prepared on the basis of the composition can quickly form a stable, light, thin and breathable sunscreen film on the surface of skin, solves the problems that a sunscreen agent in a traditional sunscreen product is non-uniform in agglomeration and dispersion, a formed film is rigid and airtight, the sunscreen effect is easy to lose due to sweating / friction, the skin feeling is poor and the like, and has the advantages of high sunscreen stability, excellent water resistance and good skin feeling; the method can be widely applied to preparation of skin care products with a sunscreen effect.

The invention relates to hydrogel containing all-type sun-screening agent microbeads, a preparation method and application, and belongs to the technical field of sun screening. Mixing, heating and dissolving the oil-soluble organic sun-screening agent to obtain the sun-screening oil; the preparation method comprises the following steps: mixing a sodium alginate solution, a PVA solution and an inorganic sun-screening agent (zinc oxide and titanium dioxide) to form a turbid liquid, and uniformly stirring to form a first mixture; preparing oil-in-water microspheres from the obtained sunscreen oil and the first mixture through a microfluidic technology, and dripping the oil-in-water microspheres into a calcium chloride solution to form light yellow sunscreen microspheres; adding carbomer sodium into water to form gel, then adding the water-soluble organic sun-screening agent, adding the pH regulator while heating and dissolving until the solution is transparent, then adding the active substance, and continuously stirring until the mixture is uniformly mixed to obtain a third mixture; adding a thickening agent to prepare hydrogel; and adding the sunscreen microbeads into the hydrogel to obtain a dispersion system containing all types of sunscreen microbeads. The invention solves the technical problem that the product in the existing sunscreen system is greasy and easily causes anaphylactic reaction.

According to the sunscreen composition, the preparation method and the application, the sunscreen index can be increased. The sunscreen composition comprises the following components in percentage by mass: 0.001-65% of an oil-soluble sunscreen agent, 0.1-0.5% of a surfactant, 0.1-0.5% of an antioxidant, 0.1-0.5% of a preservative and the balance of water. The thickening agent is prepared from trihydroxy stearin and disteardimonium hectorite, the mass fraction of the thickening agent is 6 to 10 percent, the mass fraction of the trihydroxy stearin is 3 to 6 percent, and the mass fraction of the disteardimonium hectorite is not less than 1 percent; and oil.

The invention discloses a three-phase makeup fixing spray and a preparation method thereof. The three-phase makeup fixing spray comprises an emulsion layer located on the upper layer, a water layer located on the middle layer and a powder layer located on the bottom layer. The emulsion layer comprises acrylic acid (ester) / allyl methacrylate copolymer AMP salt, polyurethane-1, an emulsifier and an oil-soluble sun-screening agent, functional auxiliary materials and ethanol are dissolved in the water layer, the powder layer comprises oil absorption powder, and the mass of water in the three-phase make-up spray accounts for 60%-64% of that of the three-phase make-up spray; the emulsifying agent comprises bis (lauramide glutamine) lysine sodium and a component A, and the component A is selected from one or more of polyglycerol-10 myristate, inulin lauryl carbamate and inulin lauryl carbamate; the sun-screening agent is prepared from ethylhexyl salicylate and phenyl benzimidazole sulfonic acid. The three-phase makeup fixing spray provided by the invention has the three-dimensional integrated makeup fixing effect of oil control, makeup fixing and sun protection.

The present invention relates to the technical field of sunscreen lotions, and specifically to a stable sunscreen lotion that does not contain emulsifiers and can be converted into a film and its preparation method. It includes an oil phase and an aqueous phase. By mass percentage, the oil phase at least includes: silicone oil 0.1-5%, nano-powder dispersion slurry 1-25%, emollient 0.1-5%, oil-soluble sunscreen agent 10-40%; the aqueous phase at least includes: silica 0.5-9%, sodium hyaluronate 0.03-0.4%, deionized water to make up the balance. The average particle size D50 of the silica is ≤7 μm. Under the condition of not additionally adding emulsifiers and film-forming agents, the product can be applied and converted into a film and form a film independently to ensure the effects of waterproofing, sweat resistance, freshness and non-greasiness, and has extremely high market application and promotion value.

The invention relates to the technical field of daily chemicals, in particular to a mousse type sunscreen cosmetic composition and a preparation method thereof. The composition is prepared from a solvent, a sun-screening agent, a humectant, a filling agent, an emulsifying agent, an emollient, a preservative, a skin protecting agent, a thickening agent, an antioxidant and a pH regulator. The mousse texture sun-screening agent provided by the invention is very light, and does not bring heavy or sticky feeling to the skin when being used, so that the skin feels natural and comfortable. The product has a light covering feeling on the skin, does not block pores, and is suitable for being used in hot weather or during sports. The mousse texture has good ductility, can be quickly and uniformly spread on the skin, does not need excessive friction, and reduces sunscreen dead angles caused by non-uniform smearing. The mousse is generally smooth in texture, suitable for being smeared in a large area and capable of conveniently and rapidly covering the whole body such as arms, legs and the back.

The invention relates to a composition for reducing penetration of a sun-screening agent into skin and application of the composition. The composition for reducing penetration of the sun-screening agent into the skin comprises a water-soluble suspension thickening agent and an oil-soluble thickening agent, the mass ratio of the water-soluble suspension thickening agent to the oil-soluble thickening agent is (0.1-3): (0.1-6). The composition is composed of the water-soluble suspension thickening agent and the oil-soluble suspension thickening agent, the water-soluble suspension thickening agent and the oil-soluble suspension thickening agent cooperate with each other, the composition has a remarkable inhibition effect on percutaneous penetration of water-soluble and oil-soluble sun-screening agents, penetration of the sun-screening agents in skin can be remarkably reduced, and then irritation and potential hazards of the sun-screening agents can be remarkably reduced; the sunscreen effect of the product is improved, and meanwhile the safety performance of the product is better.

The invention discloses a kind of plant sunscreen synergistic composition and application thereof, belong to the field of cosmetics technology; The plant sunscreen synergistic composition provided by the present invention includes the following components in parts by mass: 0.1-1 parts of Cimicifuga extract, 0.3-1 parts of Eucommia leaf extract, 1-3 parts of Rambutan peel extract, 5-10 parts of Cyperus root extract. The present invention is compounded by selecting the components of appropriate mass ratio, and the obtained composition has a good effect of absorbing ultraviolet rays, and also has excellent anti-inflammatory and soothing effect. Moreover, when subsequently added into sunscreen products, it can effectively stabilize the physical sunscreen and chemical sunscreen in sunscreen lotion, and can also enhance the sunscreen effect of physical sunscreen and chemical sunscreen, improve the durability of sunscreen products, and can enhance the repair of sunscreen products to skin after sun exposure.

The invention belongs to the technical field of cosmetics, and particularly relates to fog-feeling smoothie-texture sunscreen cream and a preparation method thereof. The fog-feeling smoothie texture sunscreen cream is prepared from the following components in percentage by weight: 12 to 30 percent of a sunscreen agent, 10 to 30 percent of an emollient, 5 to 20 percent of a humectant, 3 to 6 percent of an emulsifier, 0.3 to 2 percent of a skin conditioner, 1 to 3 percent of a thickening agent, 0.3 to 0.8 percent of an antioxidant, 0.03 to 0.06 percent of a chelating agent, 0.01 to 0.05 percent of essence and the balance of water, the sunscreen agent is a combination of polysiloxane 15, diethylamino hydroxybenzoyl hexyl benzoate, bis (2-ethylhexyloxy) phenol methoxyphenyl triazine and ethylhexyl triazinone. Through the synergistic effect of specific sun-screening agent components, better sun-screening performance and sun-screening stability are achieved. And through a specific emulsifying and thickening system, the product is endowed with foggy smoothie texture, is fresh and non-sticky, and is hidden and glossy. Meanwhile, the composition is very mild to various skin types.

The present disclosure relates to broad spectrum sunscreen compositions and to methods of using broad spectrum sunscreen compositions to protect skin from UV radiation. In at least one aspect, the sunscreen comprises a metal oxide (e.g., zinc oxide), one or more SPF active ingredients (e.g., oxime ester and / or octyl salicylate), and one or more SPF enhancing ingredients (e.g., light stabilizers (e.g., butyl octyl salicylate and / or ethylhexylmethoxypolyacrylonitrile) and / or antioxidants (e.g., zinc oxide). ) (e.g., a botanical extract) (e.g., a pongamia pinnata extract)).

The invention relates to the technical field of cosmetics, in particular to a sunscreen composition and a preparation method and application thereof. The sunscreen composition disclosed by the invention is prepared by adopting a specific emulsifier and a D-phase emulsification process, obtained particles are fine and uniform in granularity, and not only have excellent stability, but also can effectively improve the sunscreen efficiency of a sunscreen product, and has an obvious synergistic effect on the sunscreen effect; in addition, the use amount of a chemical sun-screening agent in a sun-screening product can be reduced, then the problem that the skin feeling of a high-magnification sun-screening product is greasy is solved, and the composition is suitable for preparing cosmetics with the sun-screening or light protection effect and has a good application prospect in the field of cosmetics.

The invention relates to a transparent sunscreen composition as well as a preparation method and application thereof, and belongs to the technical field of sunscreen spray. The scheme of the invention provides a composition capable of being used for preparing a sun-screening spray without a boosting agent. The composition is prepared from the following components in parts by weight: 20 to 35 parts of emollient, 15 to 23 parts of sun-screening agent, 0.5 to 8 parts of film-forming agent, 0.1 to 2 parts of dibutyl ethyl hexanoyl glutamine and 30 to 50 parts of ethanol. According to the scheme, through scientific matching and component synergistic effect, the multiple advantages of high sunscreen, fresh skin feeling, excellent film forming, transparent texture, propellant-free spray form and the like are achieved, particularly, the limitation of a traditional ethanol system sunscreen product is broken through, and remarkable innovativeness and market competitiveness are achieved.

The invention belongs to the field of new daily chemical materials, and discloses a sunscreen microbead gel composition based on interfacial tension regulation, which comprises a gel-state water-based continuous phase and an oil-based dispersion phase containing an oil-soluble sunscreen agent, the oil-based dispersion phase is composed of a plurality of microbeads with the particle size of 0.5-2 mm; the surface tension of the water-based continuous phase is 40 to 65 dyn / cm; the weight of the oil-based dispersion phase is not less than 10% of the total weight of the sunscreen microbead gel composition. According to the scheme, an oil-based dispersion phase is dispersed into gel to form suspended bead gel, and by controlling the particle size, the surface tension and the volume content of the beads, all the beads can be synchronously broken after the gel is coated on the skin, so that the oil phases in the beads can be spread at the same time, and meanwhile, a good coating hand feeling is kept; the composition provided by the invention can realize relatively low ultraviolet transmittance. Meanwhile, the invention further provides application and cosmetics of the composition.

The invention relates to the technical field of cosmetics, in particular to preparation of a solid lipid microcapsule sun-screening agent and application of the solid lipid microcapsule sun-screening agent in cosmetics. The preparation method comprises the following steps: S1, pretreatment of a chemical sun-screening agent: dissolving and uniformly stirring lipid, an emulsifier, a crystalline sun-screening agent and a solvent at 72-78 DEG C to obtain a uniformly dispersed oil phase, the lipid is 2-5% of polyglycerol-10 stearate, the specific amount of the lipid is 3%, the emulsifier is 4-6% of stearyl alcohol polyether-21, the specific amount of the emulsifier is 5%, the specific amount of the solvent is 3%, the specific amount of the solvent is 3%, and the specific amount of the solvent is 5%; the sun-screening agent is prepared from the following components in percentage by weight: 7%-9% of bis-ethyl hexyloxyphenol methoxyphenyl triazine and 7%-9% of ethyl hexyltriazinone. According to the preparation of the solid lipid microcapsule sun-screening agent and the application of the solid lipid microcapsule sun-screening agent in cosmetics, the solid lipid microcapsule sun-screening agent is adopted and has excellent formula stability, safety and efficient sun-screening capacity, the sticky feeling of the sun-screening agent on the skin surface is effectively reduced, and the use experience feeling of a product is improved.

The invention discloses an anti-aging composition for preventing light aging and application thereof, the anti-aging composition comprises a Rosa rugosa extract, a Caesalpinia spinosa fruit extract, a sunflower bud extract and a Pseudoalteromonas fermentation product extract, and the anti-aging composition can be added into various skin care products to reduce cell damage caused by light radiation such as ultraviolet light, infrared light and blue light; in sunscreen cosmetics, the sunscreen effect can be improved, the use amount of chemical sunscreen agents and physical sunscreen agents is reduced, and the safety and mildness of the sunscreen cosmetics are improved; damage caused by optical radiation is effectively prevented, meanwhile, skin elasticity is improved, skin wrinkles are reduced, and the effect of resisting skin photoaging is achieved. The effectiveness of the composition is proved through a large number of experiments, each component is irreplaceable, the addition range of the composition is also an optimal range, and the effect and cost of the composition are both the optimal range.

The invention belongs to the technical field of organic synthesis, and particularly relates to a preparation method of octocrylene serving as a main component of a sun-screening agent. The invention provides a preparation method of octocrylene serving as a main component of a sun-screening agent, which comprises the following steps: dissolving benzophenone in a polar aprotic solvent, adding zinc powder, heating to 50-70 DEG C under an inert condition, and dropwise adding 2-bromo-2-ethyl cyanoacetate for reaction to obtain a solution containing an intermediate etocrylene; under an ice bath condition, acidifying the solution containing the intermediate etocrilene by using a protonic acid aqueous solution, adding isooctanol, and slowly heating to 15-30 DEG C for reaction; and after the reaction is finished, extracting, washing, drying, filtering and concentrating the reaction liquid to obtain the octocrylene. According to the preparation method, reaction steps are reduced, the preparation process is simple, the operation method is convenient and fast, high-purity octocrylene can be obtained without purifying an intermediate, and large-scale industrial production is facilitated.

The invention relates to the technical field of sunscreen emulsions, in particular to an emulsifier-free stable sunscreen emulsion capable of phase inversion and film formation and a preparation method thereof.The emulsifier-free stable sunscreen emulsion comprises an oil phase and a water phase, and the oil phase at least comprises, by mass, 0.1-5% of silicone oil, 1-25% of nano-powder dispersion slurry, 0.1-5% of an emollient and 10-40% of an oil-soluble sunscreen agent; the water phase at least comprises 0.5-9% of silica, 0.03-0.4% of sodium hyaluronate and the balance of deionized water, the average particle size D50 of the silica is smaller than or equal to 7 micrometers, under the condition that no extra emulsifier or film-forming agent is added, the product can be smeared for phase inversion and automatically form a film, the waterproof, sweat-resistant, refreshing and non-greasy effects are guaranteed, and the product has extremely high market application and popularization value.

The invention discloses a preparation method of a novel phase change aerogel heat insulation pad, which comprises the following steps: A, at a certain temperature, adding a phase change material, a heat conduction material, an opacifying agent and a flame retardant into a beaker according to a certain proportion, and uniformly stirring; b, immersing a base material into the solution to obtain a phase change aerogel heat insulation pad; c, combining the phase change material with the silicon dioxide aerogel heat insulation pad by utilizing a sandwich structure; d, the phase-change aerogel heat insulation pad of a novel structure is obtained after packaging is conducted through a packaging material, and the phase-change material is prepared from, by weight, 8-12 parts of paraffin, 8-12 parts of octadecanol, 8-12 parts of polyethylene glycol, 8-12 parts of silica sol, 8-12 parts of calcium chloride hexahydrate, 8-12 parts of sodium sulfate decahydrate, 8-12 parts of sodium hydrogen phosphate decahydrate, 8-12 parts of barium hydroxide octahydrate and 8-12 parts of magnesium chloride hexahydrate. And 6-10 parts of octadecanol. The base material, the phase change material, the heat conduction material, the opacifying agent and the flame retardant are adopted as raw materials, and the prepared heat insulation pad has good inhibiting and delaying effects on thermal runaway in the battery module.

The invention discloses a biomolecular film composition, a skin external preparation as well as a preparation method and application of the biomolecular film composition and the skin external preparation. The composition comprises the following components: 5%-30% of bisabolol; 2%-20% of oryzanol; 0-60% of grease; 0.3%-6% of ethyl cellulose and / or 5%-40% of a rape / tung oil copolymer; 0.5% to 8% of C20-40 acid; 0.1%-1% of a neutralizer; 0.025% to 0.225% of silk fibroin; 0.05% to 0.45% of glucomannan; and 0.1%-1.6% of a preservative. Water-soluble active molecules and oil-soluble active molecules are combined together through hydrophobic chains and hydrophilic chains in fibroin, the composition is prepared through high-pressure homogenization, and the composition has the effects of oxidation resistance, UV damage repair, UV light protection and inflammation resistance and can be adsorbed on the skin surface to form a film; the composition can be used together with a sun-screening agent, so that the sun-screening efficiency and stability of the sun-screening agent are improved, and relatively good water-resistant and sweat-resistant performance is provided.

The sunscreen gel with transparent appearance and waterproof and film-forming functions comprises a water-phase component and an oil-phase component, and the water-phase component comprises a humectant, polyol, a water-soluble skin conditioner, a water-soluble sunscreen agent, a water-soluble film-forming agent, a neutralizer, a preservative and deionized water; the oil phase comprises an emollient, an oil-soluble film-forming agent, an oil-soluble sun-screening agent, an emulsifier, an oil-soluble skin conditioner and essence. The preparation method comprises the following steps: step 1, stirring and heating the deionized water, adding the humectant, the polyol, the water-soluble skin conditioner, the water-soluble sun-screening agent and the water-soluble film-forming agent, dispersing and dissolving, and cooling; step 2, mixing a neutralizer and a preservative to obtain a mixture A; step 3, stirring an emollient, an emulsifier, an oil-soluble sun-screening agent, an oil-soluble film-forming agent and an oil-soluble skin conditioner to prepare a mixture B; and 4, starting stirring, pumping the mixture A into the mixture B, homogenizing, and discharging. The transparent sunscreen coating disclosed by the invention has good transparency and a relatively good sunscreen effect.

The invention discloses an inorganic nano ultraviolet absorbent as well as a rapid preparation method and application thereof, and solves the problems that a nano-scale inorganic sun-screening agent generates free radicals under ultraviolet rays and is time-consuming and expensive in production by using cerous phosphate nanorods as effective components. Firstly, nano-scale cerium phosphate has the advantages of strong sunscreen capability and good transparency, does not deposit into a thicker white layer on the skin surface, and has no defects of false white and pore blockage; and secondly, compared with the production process and cost of nano titanium dioxide and zinc oxide, the nano cerium phosphate can be obtained through a simple water phase stirring method, the consumed time is short, and the cost is low. The preparation method disclosed by the invention is relatively low in cost, simple and convenient to operate and short in time consumption, and the prepared ultraviolet absorbent is high in sunscreen capability and good in transparency and can be used as a sunscreen agent independently or in a component form.