93 results about "Ultraviolet b" patented technology

The invention provides an uvioresistant polypropylene composition, comprising the following components in parts by weight: 100 parts of polypropylene resin, 1-6 parts of surface-modified nanowires, 0.3-1.0 part of photostabilizer and 0.15-1.0 part of antioxidant. In the preparation method, the polypropylene resin, surface-modified nanowires, photostabilizer and antioxidant are added in a high-speed mixer to mix for 4+/-2 minutes; and melting granulation is carried out at 180-240 DEG C by using a double-screw extruder to obtain the uvioresistant polypropylene material. After the uvioresistant polypropylene material is subject to accelerated ageing for 200 hours with an ultraviolet B (UVB) lamp, the tensile strength retention rate of the component resin (sample wafer thickness of 2mm) is more than 95%, e.g. a flexible freight bag has the advantages of better tensile strength, fracture strength and uvioresistant ageing property. Detection is carried out on the basis of an ASTM (American Society for Testing Material) G154 method, and after a sample is aged for 144 and 200 hours, the fracture strength retention rate of the sample can reach above 70%.

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 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.

Disclosed is a gel, and corresponding methods for its use, having an SPF of at least 15 comprising at least about 50% by weight of a volatile hydrocarbon, a film former, a solvent comprising an ester group, a combination of ultraviolet A (UVA) and ultraviolet B (UVB) sunscreen agents, wherein the UVA sunscreen agent comprises 4-tert-butyl-4′-methoxydibenzoylmethane, wherein the PFA of the gel is at least about 5 or at least about 8, and wherein the gel is capable of drying within two minutes after topical application to skin.

The invention discloses application of carbon dots in preparing an anti-ultraviolet product. The anti-ultraviolet product can be fiber, cosmetics, coating, printing ink or resin. The anti-ultraviolet product prepared from the carbon dots is remarkable in UVA (Ultraviolet A) and UVB (Ultraviolet B) absorption effect and low in production cost, and the obtained product has the advantages of safety (no toxicity), stability (difficulty in decomposition) and the like.

The invention relates to a light source special for a livestock and poultry building. A main body of the light source special for the livestock and poultry building is a luminous tube. The light source is characterized in that: an outer shell of a tube shell is made of far ultraviolet quartz glass; the tube shell is vacuumized and then is filled with inert gases and mercury drops; the inner wall of the tube shell is coated with composite fluorescent powder; a 2mm wide slot in a length direction of the tube shell is not coated with the fluorescent powder to form a transparent open slot; and ultraviolet light with the wavelengths of 185nm and 253.7nm are generated in the collision process of low-pressure mercury vapor and high-speed electrons, wherein the ultraviolet light with the wavelength of 185nm changes oxygen (O2) in air into ozone (O3) by passing through the open slot; part of the ultraviolet light with the wavelength of 253.7nm directly plays a role in sterilizing by passing through the open slot; and most of the ultraviolet light with the wavelength of 253.7nm is used for exciting the fluorescent powder to generate health-care ultraviolet light with the wavelengths of 280 to 320nm. The light source special for the livestock and poultry building has the advantages of not only solving the problem of purification and disinfection of a culture environment but also solving the problem of lack of health-care rays radiation during livestock and poultry breeding, such as ultraviolet B (UVB with the wavelengths of 280 to 320nm) in sunlight, returning a nature-like environment to animals in the livestock and poultry building, and contributing to the healthy growth of the animals in the livestock and poultry building.

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 relates to a device and a method for coloring red Chinese sand pears after harvesting, and the method comprises the following steps: standing the Chinese sand pears which achieve the physiological maturity stage and are not colored under an environment with UV-B (ultraviolet-B) luminous intensity of 1-2 mu mol.m-2.s-1, luminous intensity of white light of 3-4 mu mol.m-2.s-1, average temperature of 25-29 DEG C, and average relative humidity of 55-75% for 5-10 days. The device comprises a closed storage room for placing the Chinese sand pears, wherein an UV-B light source and a white light source are mounted at the top of the storage room, a temperature control device and a humidification device are mounted on the side wall, and a ventilation opening is arranged at the bottom. After the Chinese sand pears are harvested, the Chinese sand pears are placed in the environment with the controllable temperature and the humidity, the fruits with relatively sufficient, stable and uniform coloring can be obtained by performing continuous irradiation under the artificial light source for a period of time, and the device and the method are specially used for promoting the coloring of the red Chinese sand pears, and can promote the synthesis of anthocyanin in the red Chinese sand pears in a quicker manner and improve the appearance quality.

The invention discloses a protection effect of cyanidin-3-glucoside (C3G) for UVB (ultraviolet B)-induced cell injury. The protection effect particularly includes that generation of ROS (reactive oxygen species) of HaCaT cells due to UVB can be reduced by the C3G, accordingly, antioxidant effects can be realized, DNA (deoxyribonucleic acid) can be protected against injury, the survival rate of the HaCaT cells can be increased after the UVB irradiates on the HaCaT cells, and apoptosis reducing effects and the like can be realized. The protection effect has the advantages that the oxidation injury of the selected representative HaCaT cells which are cultivated in vitro is induced by means of UVB irradiation, light injury models of epidermal cells due to ultraviolet rays are imitated, then the C3G is used as a light injury protector, effects and relevant channels of the C3G for relieving UVB injury of the HaCaT cells are evaluated, the protection effect, action mechanisms and the safety of the C3G for light injury of skins are investigated, and accordingly theoretical foundation is laid for clinically effectively preventing and treating light injury of the skins and studying ultraviolet radiation injury protection action mechanisms of natural plant antioxidants.

The invention discloses an application and use method of salidroside in preparing a skin-care product for preventing skin photoaging. When the skin-care product is prepared, the salidroside can be taken as an active matter and prepared into a salidroside liposome with the grain diameter less than 200 nanometers, and the mass percent concentration of the salidroside liposome is 0.01%-10%. According to the application and the use method disclosed by the invention, the influence of the salidroside on the expression of a UVB (Ultraviolet B) induced skin keratinocyte photoaging key gene is inspected, a test result indicates that the skin-care product effectively inhibits the degradation of collagen and the inflammatory reaction of cells and achieves the effect of preventing the skin photoaging; the salidroside is one of main components of rhodiola sachalinensis, and the salidroside can be directly added to the skin-care product for preventing the skin photoaging, or a salidroside extract which contains the salidroside can be indirectly added to the skin-care product for preventing the skin photoaging.

The invention provides a preparation method of a radix pseudostellariae extracting solution and application of the radix pseudostellariae extracting solution to anti-wrinkle cosmetics. The radix pseudostellariae extracting solution with high content of functional components (including polysaccharide, amino acid, cyclic peptide, fatty acid and the like) is obtained by adopting a green and toxin-free novel extraction method, and is used as a raw material for preparing the cosmetics; the radix pseudostellariae extracting solution has prevention and repairing effects on cell injuries caused by UVB(Ultraviolet B) irradiation and has a skin anti-wrinkle function.

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.

The invention discloses an application and use method of ligustilide in preparing a skin-care product for preventing skin photoaging. When the skin-care product is prepared, the ligustilide is taken as an active component and prepared into a ligustilide nano-liposome or nano-emulsion with the grain diameter less than 200 nanometers, and the mass percent concentration of the ligustilide nano-liposome or the nano-emulsion is 0.01%-10%. According to the application and use method disclosed by the invention, the influence of the ligustilide on the expression of a UVB (Ultraviolet B) induced skin keratinocyte photoaging key gene is inspected through a UVB induced skin keratinocyte model test, and a test result indicates that the skin-care product can effectively inhibit the degradation of collagen and the inflammatory reaction of cells and achieve the effect of preventing the skin photoaging; the ligustilide widely exists in angelica root volatile oil or cnidium officinale root volatile oil, and the ligustilide is directly added to the skin-care product for preventing the skin photoaging, or the angelica oil or cnidium officinale oil which contains the ligustilide is indirectly added to the skin-care product for preventing the skin photoaging.

The invention relates to sunscreen cream. The sunscreen cream is prepared from the following raw materials: 25-35 parts of wax gourd extracting solution, 0.1-0.5 part of rose oil, 3-10 parts of stearic acid, 1-5 parts of glycerin monostearate, 1-5 parts of cetanol, 0.1-0.5 part of vitamin E, 0.1-0.5 part of vitamin C, 0.1-0.5 part of sweet almond oil, 5-20 parts of titanium dioxide and 1-10 parts of a preservative. The sunscreen cream provided by the invention contains multiple vitamins, amino acids as well as activated enzymes which can be absorbed by skin of people, has the efficacies of promoting metabolism of human cells and tissues, promoting blood circulation, nourishing skin, keeping human skin to be elastic and moistened, can prevent human skin from being hurt by ultraviolet ray UVA (ultraviolet A) and UVB (ultraviolet B), can whiten skin, and cannot block skin so as to avoid inducing acne.

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.

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 invention relates to a transparent spraying type ultraviolet blocking composition containing an organic ultraviolet blocker, ethanol, oil and purified water. The ultraviolet B blocking coefficient of the transparent spraying type ultraviolet blocking composition containing the organic ultraviolet blocker, ethanol, oil and purified water is SPF50 or above, the ultraviolet A blocking grade keeps PA+++, and the composition has cooling and makeup finishing functions, has no white turbidity phenomenon, and can be used for dry skins and wet skins.

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.