63 results about "Ultraviolet a" patented technology

The invention discloses a sun-proof BB (Blemish Balm) cream and a preparation method thereof. By adding a chemical sun screen, a physical sun screen, a UVA (Ultraviolet A) absorbing agent, a UVB (Ultraviolet B) absorbing agent and the like, the sun-proof BB cream has high skin compatibility, strong reducing power, strong masking power and high dispersivity, is nontoxic, tasteless and non-irritant, is safe to use, and has sterilizing and deodorizing functions. The sun-proof BB cream is a cosmetic, has the functions of a skin care product, can be used for maintaining the skin, has nutrition supplying, moisturizing, wrinkle improving, keratin softening, skin texture fading, whitening, repairing, sebum regulating, ultraviolet light resisting and dirty air isolating functions and the like, and can be used for protecting the skin on an all band and preventing damage of ultraviolet rays.

The invention discloses a sunscreen lotion, comprising a thanakha extractive which takes dried tree trunk of thanakha as a raw material, wherein the sunscreen lotion further comprises acceptable carriers and auxiliary materials in a sunscreen product. Besides, the invention also discloses a preparation method of the sunscreen lotion. The sunscreen lotion discloses by the invention contains the extractive of the natural plant thanakha, thus the problems of simplex ultraviolet absorption wavelength of the existing sunscreen lotion and the safety of the sunscreen lotion in repeated use as well as the defect of lack of anti-oxidation are overcome; the sunscreen lotion has a broad-spectrum absorption effect on UVA(Ultraviolet A)\UVB (Ultraviolet B), also has a high absorption effect and relatively high oxidation resistance, and can scavenge free radicals and reduce the injury of the skin caused by the ultraviolet light; furthermore, by being prepared from natural plant, the sunscreen lotion is safe, reliable and free of side effects.

A totally non-toxic and environment-friendly anti-ultraviolet textile has a wide market prospect. The invention provides an ecological method for performing integrated dyeing and anti-ultraviolet function finishing on wool and silk textiles by adopting granatum extract solution. The ecological preparation method mainly comprises the following steps in turn: taking natural granatum; extracting; filtering; centrifugally separating; obtaining the granatum extract solution; and performing direct dyeing or aluminum ion and iron ion pre-intermediate dyeing and anti-ultraviolet function finishing on the wool and silk textiles by adopting the granatum extract solution. Compared with the wool textile and silk textile before being treated by using the granatum and the textile in same color after being dyed by using a synthetic dye, the wool textile and silk textile after being treated by using the granatum have the advantages of ultrahigh ultraviolet preventing coefficient and ultralow UVA (Ultraviolet A) and UVB (Ultraviolet B) transmissivity, namely, excellent anti-ultraviolet function.

The invention relates to a graphene / nylon 6 textile with a permanent ultraviolet protection property and a preparation method thereof, and belongs to the field of functional textiles. The graphene / nylon 6 textile with the ultraviolet protection property is obtained by making a graphene / nylon 6 composite fiber into a textile; the graphene / nylon 6 composite fiber is obtained by the in-situ polymerization of modified graphene and caprolactam and carrying out melt spinning. The graphene / nylon 6 textile obtained by the preparation method not only has excellent physical and mechanical properties, but also has functions, particularly the ultraviolet protection property, that multiple nylon 6 textiles do not have; further, the functions of the graphene / nylon 6 textile are permanently effective, and cannot be attenuated due to the increment of the water scrubbing times of the textile. The ultraviolet protection factor (UPF) of the graphene / nylon 6 textile is more than 40; the ultraviolet light transmissivity (T) (UVA (Ultraviolet A)) is less than 5 percent; the graphene / nylon 6 textile meets the requirements, about anti-ultraviolet products, of a standard GB / T18830-2009, and can serve as an anti-ultraviolet functional textile to be used for the fields of skin coats, parasols, curtains and the like.

The invention provides a photoprotection composition as well as a preparation method and application thereof. The composition is prepared from an ultraviolet absorbent, carnosine, sunflower extract, chrysanthellum indicum extract and tocopheryl acetate. According to the photoprotection composition provided by the invention, the carnosine, the sunflower extract, the chrysanthellum indicum extract and the tocopheryl acetate have a synergetic effect and are matched with the ultraviolet absorbent so that the effect of resisting full-wave band optical radiation is realized; the resistance effects on UVA (Ultraviolet A) and UVB (Ultraviolet B) are enhanced and the photoprotection composition has a resisting capability on blue light and infrared light.

The invention discloses a preparation method of a herba portulacae extracting solution. The preparation method comprises steps as follows: fresh herba portulacae is weighed and crushed into herba portulacae pulp by a crusher; ethanol with the volume percentage being 50%-75% is added, the mixture is stirred at the temperature of 60-80 DEG C, extracted for 1-3 h and filtered, filtrate I is obtained and then distilled, ethanol is recovered, water is added until the volume of original filtrate I is reached, and filtrate II is obtained; an activated carbon and activated clay compounded decolorizing agent is added to the filtrate II, the filtrate II is decolorized for 20-40 min at the temperature of 20-80 DEG C, and activated carbon is filtered out with a ceramic membrane; filtrate with the molecular weight smaller than 150-300 is intercepted with a nanofiltration membrane, and filtrate III is obtained; a humectant is added to the filtrate III, then, a preservative is added, and the herba portulacae extracting solution is obtained. The preparation process of the herba portulacae extracting solution is simple to operate, and industrial production is facilitated; the herba portulacae extracting solution prepared with the preparation method has high anti-UVA (ultraviolet A), free radical scavenging and in-vitro oxidation resistance characteristics and cannot cause inflammatory factors.

The invention provides a novel sunscreen anti-oxidation skin-whitening cosmetic composition and a preparation method thereof. The composition is mainly prepared from ferulic acid, ethyl ferulate and ethylhexyl ferulate, and has the effects of sunscreen, oxidation resistance and skin whitening at the same time, the safety performance is high, ultraviolet A and ultraviolet B in ultraviolet light are all proofed, almost all wave bands are covered, the sunscreen effect is good, the composition has no toxic or side effect on a human body, scavenges free radicals, is anti-aging and inhibits the activity of tyrosinase at the same time.

The invention belongs to the technical field of cosmetics, and provides a waterproof sunscreen cosmetic and a preparation method. The method comprises the steps that iso-octyl 4-methoxycinnamate and 3-(4'-methylbenzylidene)camphor are loaded on modified nano porous zinc oxide to prepare a composite sunscreen agent A; 4-tert-butyl-4-methoxydibenzoylmethane and diethylhexyl butamido triazone are loaded on modified nano porous titanium dioxide to prepare a composite sunscreen agent B; a waterproof sunscreen lotion is further prepared. Compared with a traditional method, the prepared sunscreen cosmetic can prevent the skin from being in direct contact with the organic sunscreen agents, promote the uniform dispersion of inorganic sunscreen agents in a medium, have good waterproofness, be used in the underwater environment and achieve the comprehensive protection against long-wave ultraviolet rays and medium-wave ultraviolet rays.

The invention provides sunscreen cream with double-isolation and post-basking repairing functions. The sunscreen cream comprises the following effective components in parts by weight, 45-55 parts of water, 10-14 parts of physical sunscreen agents, 8.1-11.9 parts of emollient, 3-5 parts of emulsifiers, 11.7-15.6 parts of chemical sunscreen agents, 1.5-6.1 parts of skin conditioners, 0.4-0.6 part of preservatives, 0.4-0.6 part of thickening agents, 2-3 parts of PH (potential of hydrogen) conditioning agents, 0-0.2 part of flavoring agents and 0.2-0.3 part of complexing agents. According to the sunscreen cream, the physical sunscreen agents and the chemical sunscreen agents are scientifically matched, UVA (ultraviolet A) and UVB (ultraviolet B) are effectively stopped, the sunscreen cream can prevent skins from being tanned and effectively protect the skins from sunburn, the skin conditioners are added into the sunscreen cream, and the post-basking repairing function is achieved.

The invention discloses application of ganoderma lucidum extract in preparation of health-care foods or cosmetics with anti-radiation and anti-aging effects. The ganoderma lucidum extract has the effect of anti-UVA (ultraviolet A) radiation, can remarkably reduce cell injury caused by UV (ultraviolet) radiation, has a remarkable inhibition effect on macrophage inflammatory factor expression, can play anti-inflammation and anti-aging effects. The invention also explains the anti-UV radiation and anti-aging effects of ganoderma lucidum extract on the aspects of cell and molecular level. Furthermore, the invention also discloses an optional method for preparing the ganoderma lucidum extract with anti-radiation and anti-aging effects.

The invention discloses sun blocking cream which is prepared from the following raw materials: 35-45 parts of water, 0.03-0.05 part of butylated hydroxytoluene, 10-20 parts of ethanol, 3-5 parts of polydimethylsiloxane, 5-7 parts of C12-15 alcoholic benzoate, 1-3 parts of dibutyl adipate, 5-7 parts of cyclodextrin, 3-5 parts of tocopherol, 0.1-0.3 part of lauryl glucoside, 0.05-0.15 part of trisodium ethylenediamine disuccinate, 0.1-0.3 part of carbomer, 5-7 parts of triethanolamine, 8-18 parts of a sun blocking agent and 10-14 parts of a filming agent. The sun blocking cream disclosed by theinvention is good in stability, has dual ultraviolet ray isolation effects of physical sun blocking and chemical sun blocking, is capable of dually preventing UVA / UVB (Ultraviolet A / Ultraviolet B) rays, is free of adverse chemical preparation, and meanwhile is good in waterproof property and good in waterproof and sweat-resistant effects.

Disclosed is a natural sunscreen composition comprising extracts of Hedychium spicatum and / or Alpinia galanga containing active sunscreen agents, the sunscreen composition devised to protect the skin from the harmful effects of short wavelength UV B rays and long wavelength UV A rays.

The invention discloses a comprehensive-effect sunscreen lotion containing oceanic biological active substances. The lotion contains seashells active peptides, oceanic collagen peptides and algal polysaccharides as main active ingredients, and also contains allantoin, magnesium ascorbyl phosphate, vitamin E acetate, ultraviolet A absorbent and ultraviolet B absorbent. The comprehensive-effect sunscreen lotion disclosed by the invention solves the problem that the sunscreen cosmetics in the prior art have irritation and phototoxicity to skin and poor air permeability, make skin oily, and easily block sweat pores; and the sunscreen lotion organically combines oceanic biological active substances and a sunscreen agent, so as to greatly improve the sunscreen capacity and safety of the sunscreen lotion while reducing the use amount of the sunscreen agent. The lotion has mild and comprehensive effects, not only can effectively block the damage of ultraviolet ray to skin and relieve skin inflammations due to sunscald, but also can keep skin moist, provide nutrients, promote skin regeneration, repair damaged skin and comprehensively improve the protection capability of skin. Meanwhile, the lotion has w / o (water-in-oil) type and o / w (oil-in-water) type, and is suitable for people of various skin types.

The invention discloses a sunscreen cream comprising the following components in percentage by weight: 10-20% of glycerin, 5-10% of jojoba oil, 0.08-0.5% of calendula extracts, 0.5-25 of salicylic acid, 0.1-1% of vitamin A, 2-10% of palmitate, 1-10% of zinc oxide, 0.1-1% of licorice extracts, 1-10% of zinc-methoxycinnamate, 0.1-1% of grape polyphenol beautifying factors, 2-10% of hyaluronic acid, 50-65% of deionized water, 0.1-1% of aloe extracts and 1-3% of stearic acid. The sunscreen cream is capable of resisting UVA (Ultraviolet A) and UVB (Ultraviolet B) radiation and good in sunscreen effect and also has effects of preserving moisture, resisting wrinkles and preventing aging.

The invention discloses a Chinese herbal medicine extract, and is characterized in that, the Chinese herbal medicine extract is an extract of water containing 10-50 parts by weight of snow lotus, 10-50 parts by weight of cistanche, and 20-60 parts by weight of astragalus mongholicus and / or solvent, wherein the solvent is selected from methanol, ethanol, isopropanol, n-butyl alcohol, ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,3-butylene glycol, acetone, ethyl acetate or the combinations thereof. The extract and the Chinese herbal medicine composition containing the extract can be directly used for preventing skin ageing, especially photo-ageing, and can also be added in cosmetic as a functional additive. The Chinese herbal medicine extract and the Chinese herbal medicine composition disclosed by the invention have an anti-ageing function, especially an anti-photo-ageing function, help skin to be antioxidant and promote the proliferation of dermal fibroblast, especially help skin to resist the ultraviolet irradiation of UVB (ultraviolet B) and UVA (ultraviolet A), and have the advantages of protecting skin, reducing injury and preventing skin from photo-ageing, and having no irritation on skin.

The invention discloses sun-screen foam aerosol. The sun-screen foam aerosol adopts a chemical and physical sun-screen combination, so that UVB (Ultraviolet B) and UVA (Ultraviolet A) can be effectively prevented, and the skin can be protected from being hurt by ultraviolet rays; an emollient component is added, so that the sun-screen foam aerosol has the functions of beautifying the skin, moisturizing, ventilating and the like; in aspect of a propulsive agent, pharmaceutical-grade DME (Dimethyl Ether) or cosmetic-grade LPG (Liquefied Petroleum Gas) is used, so that a content system of a product is stable, and the inner pressure of the product is proper; in aspect of a valve, a 360-degree small-spray volume valve is used, so that the product can be in standing or reversed spray, and the use is convenient; a stable foam button is mated, due to a special internal structure of the foam button, a foam spraying effect cannot be influenced by reduction of the internal pressure of the productduring a process from beginning of spraying the product to complete use of the product, and stable spray volume and a soft and fine foam effect can be maintained from the beginning to the end according to a certain amount and a certain pressure.

The embodiment of the invention provides a currency detector capable of detecting currencies of multiple nations. The currency detector comprises a horizontal-plane cash input device (1), an inclined-plane cash input device (2), a vertical-plane cash input device (3), a Y-shaft transmission mechanism (4), an X-sahft transmission mechanism (5), an X-shaft code plate (6), a Y-shaft code plate (7), a cam mechanism (8), a horizontal-plane LED light system (10), a magnetic detection device (20), an inclined-plane LED light system (30), and a vertical-plane LED light system (40). Red, green, blue, infrared, and ultraviolet A / D data reflected and transmitted by paper money are analyzed along the length direction of the paper money or plastic money to detect the optically-variable hollow-out windowing safety line, variable-color optically-variable number, white water mark, analog watermark, black watermark, colorless fluorescent printing ink, magnetic safety line, digital ink magnetism, and the length and width of the paper money or plastic money; and thus the authenticity as well as values of the currencies can be detected based on comparison with the A / D data of the real paper money or plastic money.

The invention discloses a preparation method of a snow lotus herb extract. The snow lotus herb extract acquired by the method has the effects on resisting oxidation and resisting UVA (Ultraviolet A) and UVB (Ultraviolet B) irradiation, and can be used for resisting ageing of skin, especially light aging. The snow lotus herb extract can be used as a cosmetic additive or a medicinal active component. The invention also discloses an application of the snow lotus herb extract in preparing cosmetics or medicines for resisting ageing of skin, especially light ageing.

The invention discloses a regenerated cellulose fiber containing shea butter, and a preparation method thereof. The regenerated cellulose fiber comprises the emulsified shea butter and zinc-containingsunscreen factors. After a person wears fabric made of the regenerated cellulose fiber for 2 hours, the moisture content of the stratum corneum of the skin can be increased by 5-9.5%. The UPF (ultraviolet protection factor) of the fabric made of the regenerated cellulose fiber is not smaller than 60, and the UVA (ultraviolet A) transmittance is smaller than 3.5%. The regenerated cellulose fiber containing the shea butter has a good skin moisturizing effect, and the moisture content of the stratum corneum of the human skin can be increased after the fabric is worn for a certain time; the few sunscreen factors are added into the fiber to interact with latex materials in the shea butter, and accordingly, the sunscreen performance of the fabric made of the fiber is improved greatly.

The invention provides an electrostatic spraying method of anti-ultraviolet fabrics and relates to the technical field of textile materials. The method includes the steps of 1, subjecting fabric to low-temperature plasma surface treatment under the power of 100-500w for 10-90min so that moistness of the fabric reaches 70-100%; 2, preparing anti-ultraviolet electrospray solution; 3, aligning the fabric with a spray orifice of an injector needle of a high-pressure electrostatic spraying device, keeping the fabric 10-30cm away from the spray orifice, and allowing the anti-ultraviolet electrospray solution to be evenly carried to the surface of the fabric; 4, drying the treated fabric for 5-30min to obtain the anti-ultraviolet fabric. Compared with the prior art, the method has the advantages that flexural rigidity of the fabric is increased by 10-20%; drape coefficient is increased by 3-10%; after washed 10 times, UPF (ultraviolet protection factor) is greater than 40, and UVA (ultraviolet A) average transmittance is less than 5%; process equipment is simple, operating is convenient, process parameters are easy to control, costs are low, and the method is suitable for industrial production.

The invention relates to the technical field of cosmetics, in particular to a sun protection composition and cosmetics prepared from the sun protection composition. By compounding components of zinc oxide, ethyl hexyl methoxycinnamate, titanium dioxide and the like, the obtained sun protection composition can have a good sun protection effect, the sun protection effect is remarkably superior to that of one component which is independently used or a formula-lack composition, and the sun protection effect verifies that the compounding of all the components has a good synergistic effect. Detection shows that SPE (Sun Protection Factor) value of the cosmetics prepared from the sun protection composition provided by the invention can be up to 52, and PFA (Protection Factor of UVA (Ultraviolet A)) value can be up to 18. The cosmetics have a good waterproof function, the SPF before a bath is 52, and the SPF value after the bath is 25.

The invention provides a UV-resistant super-fine-denier nylon and water-soluble polyester composite fiber. The composite fiber is prepared from components in parts by weight as follows: 50-60 parts of super-fine-denier nylon and 40-50 parts of water-soluble polyester, wherein the super-fine-denier nylon is prepared from components in parts by weight as follows: 85-90 parts of nylon 6 chips, 5-7 parts of activated carbon, 6-10 parts of nano-silica and 3-5 parts of a modifier; the water-soluble polyester is prepared from components in parts by weight as follows: 40-50 parts of poly terephthalic acid, 26-34 parts of ethylene glycol, 3-7 parts of a catalyst, 2-6 parts of adipic acid, 2-6 parts of zirconium nitrate, 3-5 parts of polyethylene glycol, 4-6 parts of sodium ethylene glycol isophthalate-5-sulfonate and 5-8 parts of a water-soluble adhesive. The UPF (ultraviolet protection factor) of the obtained composite fiber is higher than 50 and the UVA (ultraviolet A) is lower than 2%, and meanwhile, the water-soluble adhesive in the fiber is released after hydrolysis to guarantee more tight adhesion of the super-fine-denier nylon and the water-soluble polyester.

The invention discloses an ultraviolet pretreatment testing device for a solar panel. The testing device consists of a main box body and a control cabinet, wherein a heating space is formed in the main box body; the inner wall of the heating space is provided with a heater; the front side of the heating space is provided with two groups of ultraviolet lighting tubes controlled by an ultraviolet lamp controller; the two groups of ultraviolet lighting tubes are arranged in an inserting way; one group of ultraviolet lighting tubes is driven by a motor transmission mechanism; a solar panel rotating stand driven by a motor is arranged in the heating space; the rotating stand is provided with a radiometer driven by a motor set to perform planar scanning, a UVB (ultraviolet B) detector and a UVA(Ultraviolet A) detector; an ambient temperature detection element is arranged in the main box body; and an exhaust device is arranged in the main box body. The testing device is an environmental ageing simulation testing device designed and developed specific to the ultraviolet pretreatment testing demand of the solar panel. A measuring system is designed according to the characteristics of highintegration level and high reliability of a motion control card and a multifunctional card. By adopting the testing device, the research and development periods can be shortened greatly, and the system constructing cost is lowered greatly.

The invention provides a photochromic sunblock particle, a human body surface coating object containing photochromic sunblock particles, and application of the coating object in skin sunblock, body painting and a field hidden material. A photochromic material is added into the human body surface coating object and serves as an ultraviolet absorber, the absorption wavelength is between 280 nm and 400 nm and is just in the wavelength range of UVA (ultraviolet a) and UVB (ultraviolet b) radiating to the ground, the absorption efficiency is high, and the ultraviolet protection effect is improved; the photochromic material is stable in performance, long in service life and good in hot and cold resistance, and the fatigue endurance can reach more than 10,000 times; the surface coating object can be changed into various beautiful and bright colors while absorbing ultraviolet light, can change the colors when applied to a human body and irradiated under sunshine, and can be used for body painting, the field hidden material and the like due to the characteristic; and besides, the ultraviolet intensity of sunlight can be evaluated through observation of the color change condition and the color degree, and a user can be reminded of certain ultraviolet protection.

The present invention relates to a photoprotective composition for local use containing an association of baicalin or an extract containing same with at least one system filtering UVA radiation. The invention particularly relates to the field of cosmetics and / or beauty products. The present invention also relates to the cosmetic, non-therapeutic, use of baicalin, or an extract containing same, in association with at least one system filtering UVA radiation comprising at least one bis-resorcinyl triazine for protecting the skin and / or lips and / or hair against solar radiation.

The invention discloses an embedding type sunscreen cream and a preparation method thereof, and relates to the technical field of cosmetics. The embedding type sunscreen cream is prepared from the following components in percentage by weight: 14 to 20% of solid lipid, 4.5 to 6% of emulsifier, 8 to 14% of sunscreen agent, 1 to 3% of polysorbate-80, 0.5 to 1.5% of pentanediol, 0.5 to 1.5% of lecithin, and the balance of water. The embedding type sunscreen cream has the advantages that the solid lipid is used as the raw material to prepare the sunscreen cream embedded with the composite sunscreenagent, so that the embedding rate is high, the medicine carrying amount is high, the stability is high, the irritation property is low, the medicine release property is good, and the like; by compounding three types of sunscreen agents, the good synergistic function on the sunscreen effect is realized, and the SPF (sun protect factor) value and PFA (protection factor of ultraviolet A) value are improved; the particle size is increased by the molecules of the solid lipid, so that the sunscreen agents are stayed at the skin surface to realize the sunscreen function; the periphery of each sunscreen agent is coated with the solid lipid, so that the medicine can be effectively released, the leakage of medicine is reduced, and the irritation to the skin is reduced; the liquid oil grease is notneeded, so that the greasiness is reduced; the organic solvent is not needed, so that the irritation property is decreased.

The invention relates to a sunscreen bar capable of isolating ultraviolet A-wave and B-wave simultaneously and a preparation method thereof. The sunscreen bar comprises SOD (superoxide dismutase) oil mixed suspension, titanium dioxide, talcum powder, castor oil glyceride, carnauba wax, candelilla wax, cetyl alcohol, microcrystalline wax, beewax, octyl C12 alcohol and erucic acid oil-based ester. The specific preparation process comprises the following steps of: mixing castor oil glyceride, carnauba wax, candelilla wax, cetyl alcohol, microcrystalline wax, beewax, octyl C12 alcohol and erucic acid oil-based ester uniformly, then adding titanium dioxide and talcum powder, grinding, adding SOD oil mixed suspension, homogenizing and the injecting into a mould, so as to obtain the sunscreen bar. The sunscreen bar is capable of isolating ultraviolet A-wave and B-wave simultaneously, is free of sensitization source, has high safety and high cell viability, furthermore, the sunscreen bar is convenient to use, is portable, and can take supplementing and protective functions in time, so the sunscreen effect is better.

The invention discloses a liquid food packaging disinfection device, which includes a conveyor belt, a high-temperature disinfection box, an electric heating plate, a time display, a cooling room, an air inlet pipe, a fan, a liquid food box, a disinfection box, a liquid storage box, a liquid level sensor, and an ultraviolet ray. Germicidal lamps, liquid level indicators, liquid outlets and faucets, by setting up a high-temperature disinfection room and a disinfection room, and setting an electric heating plate in the high-temperature disinfection room, and setting an ultraviolet germicidal lamp in the disinfection room, it is convenient to sterilize the packaging bottle and the liquid before packaging. The food is sterilized to ensure that the packaged food will not be polluted twice, ensure food safety, and will not cause harm to the health of the eater; a cooling room is set between the high-temperature disinfection room and the liquid food box to facilitate passage The cooling chamber cools down the high-temperature sterilized packaging bottles, and when the packaging bottles are transported to the liquid food box, it is convenient for workers to fill the liquid.

The invention provides a sunblocking cream which is natural and resists ultraviolet B (UVB) radiation and ultraviolet A (UVA) radiation, and can improve the resisting and defending capacity of the human body cells to ultraviolet radiation. The product comprises the following raw materials in parts by weight: 0.5-5 parts of zingiber corallinum hance essential oil, 0.5-1 parts of curcuma oil, 0.5-1parts of zedoary turmeric oil, 5-8 parts of emulsifier, 1-5 parts of humectant, 1-3 parts of active agent, 8-10 parts of excipient and 62.8-72.3 parts of pure water, and is prepared by the following steps: mixing and heating aqueous phase substances, namely the humectant, active agent and pure water to the temperature of 85-87 DEG C; evenly mixing and heating oil phase substances, namely the zingiber corallinum hance essential oil, curcuma oil, zedoary turmeric oil, emulsifier and excipient to the temperature of 85-87 DEG C; and slowly pouring the oil phase into the aqueous phase, stirring and evenly mixing, homogenizing for 5-10 minutes at the temperature of 85-87 DEG C, and cooling. The sunblocking cream of the invention resists the UVB radiation and UVA radiation, can improve the resisting and defending capacity of the human body cells to ultraviolet radiation, can promote skin cell division and accelerates self renewal of the skin cells; the skin does not generate erythema after being exposed to the sun, and can not be tanned; and the sunblocking cream has good sunblocking effect, low application cost, simple and feasible preparation method.

The invention relates to an open type multichannel visual photocatalytic oxidation teaching experimental device, which comprises a reactor, wherein a vertical light source and a gas circuit thrusting needle are arranged in the reactor; the light source is a light source with small power and low energy consumption, namely an ultraviolet-A (UV-A) light tube with the power of between 5 and 10 W; theUV-A light tube is sleeved in an annular tube, so that the light source is insolated from liquid in the reactor; the gas circuit thrusting needle is connected with a diaphragm air pump or an ozone generator; a rotor flowmeter is arranged on a connecting pipeline; the diaphragm air pump or the ozone generator is connected to a controller, and the light source is also connected to the controller; asuction tube is also arranged in the reactor and is connected to an external magnetic force liquid discharging pump to realize the experiment conversion of adding and extracting the liquid quickly; and the controller sets reaction time to complete the selection control of intermittent or period programs and methods. According to the open type multichannel visual photocatalytic oxidation teaching experimental device, the photocatalytic advanced oxidation method and principle can be mastered and analyzed by the design of a multiparameter open type and multichannel parallel visual device.