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35results about How to "Inhibit photooxidation" patented technology

Wavelength conversion member, backlight unit including wavelength conversion member, and liquid crystal display device

A wavelength conversion member is provided. The wavelength conversion member includes: a wavelength conversion layer including at least one kind of quantum dots that are excited by excitation light to emit fluorescence and an antioxidant; at least one interposing layer that is formed to be adjacent to the wavelength conversion layer; and a barrier layer that is formed on at least one surface of the wavelength conversion layer, in which at least one layer of the interposing layers is an antioxidant-containing interposing layer including the antioxidant.
Owner:FUJIFILM CORP

Road petroleum asphalt anti-ageing agent and preparation method thereof

The invention discloses a road petroleum asphalt anti-ageing agent, which comprises an additive B and a foundation soft component C, wherein the additive B accounts for 10-60 percent by weight ratio, and the foundation soft component C accounts for 90-40 percent by weight ratio; the foundation soft component C is road petroleum asphalt or aromatic hydrocarbon-rich component or a mixture of the road petroleum asphalt and the aromatic hydrocarbon-rich component; the additive B comprises the following components in the weight ratio: 30-55 percent of a radical scavenger, 15-30 percent of peroxide decomposer, 10-20 percent of light stabilizer and 10-40 percent of metal ion complexing agent. A preparation method for the road petroleum asphalt anti-ageing agent comprises the following steps: heating the foundation soft component C to 70-150 DEG C; respectively adding all the components in the additive B under the stirring condition; and evenly stirring to obtain the road petroleum asphalt anti-ageing agent. The road petroleum asphalt anti-ageing agent disclosed by the invention has the characteristics that anti-ageing performance is good, the use level is low and the compatibility between the road petroleum asphalt anti-ageing agent and the asphalt is good, and is capable of restraining and preventing chain reactions caused on the road petroleum asphalt because of heat, oxygen, light and metal ions, and prolonging the service lives of asphalt road surfaces.
Owner:CHINA PETROLEUM & CHEM CORP

Wavelength conversion member and backlight unit provided with same, and liquid crystal display device

The invention provides a wavelength conversion member having a wavelength conversion layer including quantum dots for fluorescing in response to irradiation by excitation light, wherein the intensityof light emission is not prone to decrease, and the wavelength conversion member is highly durable, and to provide a highly durable backlight unit and liquid crystal display device in which the intensity of light emission is not prone to decrease. A wavelength conversion member (1D) is provided with a wavelength conversion layer (30) including at least one type of quantum dots (30A, 30B) for beingexcited by excitation light and fluorescing, at least one interposed layer (40) formed adjacent to the wavelength conversion layer (30), and barrier layers (12, 22) formed on at least one side of thewavelength conversion layer (30), the wavelength conversion layer (30) and at least one interposed layer (40) containing at least one type of antioxidant.
Owner:FUJIFILM CORP

Method for preparing whitening cosmetic containing dogwood extract

The invention discloses a method for preparing a whitening cosmetic containing a dogwood extract, including: a first step of extracting extracts of dogwood, bupleurum and rose by ethanol; a second step of heating C18 alcohol, inositol hexaphosphate, glycerol, and stearic acid for melting, adding tert-Butylhydroquinone for dissolving to get an oil phase; a third step of adding borax, glycerol monostearate and purified water into Chinese herb extracts to get a water phase; and a fourth step of adding the oil phase into the water phase for emulsification, and adding essence to get the cosmetic with the effect of whitening and removing freckles. The cosmetic can improve skin metabolism, promote blood circulation, increase skin nutrition, effectively remove free radicals, eliminate pigmentation, fade skin wrinkles and pigmentation, and make skin to be delicate, smooth, white and flexible.
Owner:GUANGDONG BAWEI BIOLOGICAL TECH CO LTD

Preparation method of highly-elastic self-repairing odorless weather-proof modified asphalt

The invention discloses a preparation method of highly-elastic self-repairing odorless weather-resistant modified asphalt, which comprises the following three steps: preparation of reclaimed rubber particles, preparation of reclaimed rubber mother liquor and SBS co-crosslinking development. The method includes 1) a step of preparing the reclaimed rubber particles, namely a step of desulfurizing tire rubber powder by a double-screw extrusion method, and carrying out shear granulation to obtain the reclaimed rubber particles; 2) a step of preparing the reclaimed rubber mother liquor, namely a step of mixing the reclaimed rubber particles obtained in the step 1 with matrix asphalt according to a mass ratio of 34 / 66 to 68 / 32, enabling the reclaimed rubber particles to be soaked and developed in the matrix asphalt for 0.8-1.6 hours at the temperature of 163-173 DEG C, and then shearing for 20-30 minutes in high-speed shearing equipment to obtain the reclaimed rubber mother liquor; and 3) astep of co-crosslinking development. According to the preparation method disclosed by the invention, the cost can be saved while a large amount of waste tires are consumed, the environmental protection property in the production process is extremely good, and a finished product not only has excellent elasticity, high and low temperature properties, medium temperature fatigue resistance, noise reduction property and ultraviolet aging resistance, but also is higher in hardness and has a self-repairing capability.
Owner:江苏宝利路面材料技术有限公司

Preparation method of magnetic farmland heavy metal adsorbent

The invention relates to a preparation method of a magnetic farmland heavy metal adsorbent. The preparation method comprises the following steps: preparing a core-shell structure; wrapping ferroferricoxide with carbon spheres to adsorb aluminum ions to prepare a cross-linking agent; synthesizing water-absorbing resin; using a freeze-drying method to remove the moisture in the polymer and preparing the resin foam, preparing the attapulgite slurry, and preparing the magnetic adsorbent. By adopting the magnetic adsorption resin, heavy metal ions in the farmland are absorbed and removed, the magnetic adsorption resin is high in stability and convenient to recycle, and the heavy metal contaminated farmland can be efficiently repaired in a high-standard mode.
Owner:苏州市相城环保技术有限公司 +1

Materials with enhanced protection of light sensitive entities

The present invention is based on a surprising discovery of new packaging materials used to package substances, such as foods, preventing the photo-oxidation of entities found in these substances. Specifically, these new packaging materials include a mixture of polymer resins having novel and specific ratios of filler, preferably calcium carbonate, and titanium dioxide resulting in the material having unexpected properties.
Owner:THE CHEMOURS CO FC LLC

Cassiabarktree twig extract-containing whitening cosmetic preparation method

The invention discloses a cassiabarktree twig extract-containing whitening cosmetic preparation method, which comprises: 1, adopting ethanol to extract cassiabarktree twig, Chinese thorowax root, common macrocarpium fruit and rose to obtain an extract; 2, carrying out heating mixing melting on C18 alcohol, inositol hexaphosphate, glycerol and stearic acid, and adding tert-butylhydroquinone to dissolve to obtain an oil phase; 3, adding borax, glyceryl monostearate and refined water to the Chinese herbal extract, and mixing to obtain a water phase; and 4, adding the oil phase to the water phase, carrying out emulsification, and adding flavor to obtain the cosmetic with effects of whitening and spot removing. The cassiabarktree twig extract-containing whitening cosmetic has effects of skin metabolism improvement, skin blood circulation promotion, skin nutrition increase, effective free radical removal, pigmentation elimination, skin wrinkle and color spot fading, and delicate, smooth, white and flexible skin achievement.
Owner:SHANGHAI DAOJI BIOTECH CO LTD

Efficient colored heat-insulating and cooling coating as well as preparation method and application thereof

The invention discloses an efficient colored heat-insulating and cooling coating as well as a preparation method and application thereof, the efficient colored heat-insulating and cooling coating takes a polymer porous film as a bottom layer, and an infrared transparent colored film is arranged on the polymer porous film. The preparation method comprises the following steps: preparing the polymer porous film and preparing the infrared transparent color film on the polymer porous film. The efficient colored heat-insulating and cooling coating has the advantages of being adjustable in appearance color, high in sunlight reflecting capacity, good in heat-insulating and cooling effect and the like, the coating is attached to the surface of a base body needing temperature adjustment and the skin surfaces of animals and human bodies in a covering, coating or pasting mode and the like, the color requirements of city appearance, pollution prevention and the like are met, and meanwhile the heat-insulating and cooling effects are good. The efficient cooling effect can be shown, refrigeration energy consumption is greatly reduced, the use value is high, and the application prospect is good. The preparation method has the advantages of being simple and easy to implement, low in production cost, high in film forming efficiency and the like, is suitable for preparing a large-area coating material and is beneficial to industrial application.
Owner:NAT UNIV OF DEFENSE TECH

Composition for preventing or treating eye diseases, containing s-allyl-l-cysteine as active ingredient, and pharmaceutical formulation containing same

Disclosed is a composition for preventing or treating eye diseases. The composition for preventing or treating eye diseases contains S-allyl-L-cysteine, a pharmaceutically acceptable salt thereof, or a solvate or a hydrate thereof as an active ingredient, and may inhibit photo-oxidation. The composition for preventing or treating eye diseases inhibits the accumulation of A2E in retinal pigment epithelial cells and the oxidation of A2E, thereby remarkably preventing or treating eye diseases including age-related macular degeneration or degenerative retinal disorder.
Owner:PHARMAKING

Composition for preventing or treating eye diseases, containing S-allyl-L-cysteine as active ingredient, and pharmaceutical formulation containing same

Disclosed is a composition for preventing or treating eye diseases. The composition for preventing or treating eye diseases contains S-allyl-L-cysteine, a pharmaceutically acceptable salt thereof, or a solvate or a hydrate thereof as an active ingredient, and may inhibit photo-oxidation. The composition for preventing or treating eye diseases inhibits the accumulation of A2E in retinal pigment epithelial cells and the oxidation of A2E, thereby remarkably preventing or treating eye diseases including age-related macular degeneration or degenerative retinal disorder.
Owner:PHARMAKING

Meglumine adenosine cyclophosphate composite medicament

ActiveCN101780099ASolid molding plumpRelief of rash adverse reactionsOrganic active ingredientsPowder deliveryVitamin CMedicine
The invention relates to a meglumine adenosine cyclophosphate composite medicament or an adenosine cyclophosphate composite medicament which is prepared from pharmacodynamic components by weight part: 20 to 60 parts of meglumine adenosine cyclophosphate or adenosine cyclophosphate, 100 to 200 parts of lysine aspirin and 200 to 300 parts of mixture of reduced glutathione and vitamin C with the weight ratio of 1: (10 to 15). The invention also relates to a preparation method. The meglumine adenosine cyclophosphate composite medicament or the adenosine cyclophosphate composite medicament eliminates fever, tetter, pain and other adverse effects of meglumine adenosine cyclophosphate or adenosine cyclophosphate prepared by the prior art.
Owner:安徽延寿堂药业有限公司

Preparation method of whitening skin-care product containing traditional Chinese medicinal radix glycyrrhizae extract

The invention discloses a preparation method of a whitening skin-care product containing a traditional Chinese medicinal radix glycyrrhizae extract, wherein the preparation method comprises the following steps: I, extracting extracts of radix glycyrrhizae, radix notoginseng and rhizoma polygonati by virtue of ethanol; II, heating and mixed-melting C18 alcohol, inositol hexaphosphate, glycerol andstearic acid, and adding tertiary butylhydroquinone and conducting dissolving so as to obtain an oil phase; III, adding borax, glyceryl monostearate and refined water to the Chinese herbal medicine extracts, and implementing mixing so as to obtain an aqueous phase; and IV, adding the oil phase to the aqueous phase and implementing emulsifying, and adding essence, so that the skin-care product having whitening and freckle removing functions is obtained. The skin-care product can improve skin metabolism, promote blood circulation of skin, enhance skin nutrition, effectively remove free radicals,eliminate pigmentation and relieve wrinkles and spots in the skin, so that the skin is more delicate, smooth, tender and white and is elastic.
Owner:高金祥

Method for preparing whitening cosmetic containing castor bean extract

The invention discloses a method for preparing a whitening cosmetic containing a castor bean extract, including: a first step of extracting extracts of castor bean, cassia twig, bupleurum, dogwood and rose by ethanol; a second step of heating C18 alcohol, inositol hexaphosphate, glycerol, and stearic acid for melting, adding tert-Butylhydroquinone for dissolving to get an oil phase; a third step of adding borax, glycerol monostearate and purified water into the Chinese herb extracts to get a water phase; and a fourth step of adding the oil phase into the water phase for emulsification, and adding essence to get the cosmetic with the effect of whitening and removing freckles. The cosmetic can improve skin metabolism, promote blood circulation, eliminate pigmentation, and make skin to be delicate, smooth, white and flexible.
Owner:广州澳医生物科技有限公司

Quantum material emulsion with effects of resisting aging and whitening and preparation method thereof

The invention provides quantum material emulsion with effects of resisting aging and whitening and a preparation method of the emulsion. The emulsion comprises the following components in parts by weight: 15-20 parts of hyaluronic acid, 10-15 parts of milk, 7-12 parts of grape seed oil, 5-10 parts of quantum material, 4-9 parts of vitamins, 6-8 parts of marine collagen, 3-7 parts of honey, 4-6 parts of peony root bark, 1-4 parts of glycerin, 2-3 parts of coconut milk, 1-2 parts of an emulsifier, 1-1.5 parts of a thickening agent, 0.1-0.5 part of a preservative and 0.1-0.3 part of essence. Thepreparation method of the emulsion comprises the following steps: adding the previous raw material components into deionized water, and stirring and heating to 60-65 DEG C so as to obtain a mixed solution; homogenizing the mixed solution in a homogenizer, regulating the pH value, and cooling to 30-35 DEG C so as to obtain primary emulsion; and stirring and cooling the primary emulsion to room temperature, thereby obtaining the emulsion. The quantum material emulsion with effects of resisting aging and whitening provided by the invention has an excellent whitening effect, the aging resistance of skin is greatly improved, and the components of the emulsion are safe and stable.
Owner:查治刚

Wavelength conversion member, backlight unit including wavelength conversion member, and liquid crystal display device

A wavelength conversion member is provided. The wavelength conversion member includes: a wavelength conversion layer including at least one kind of quantum dots that are excited by excitation light to emit fluorescence and an antioxidant; at least one interposing layer that is formed to be adjacent to the wavelength conversion layer; and a barrier layer that is formed on at least one surface of the wavelength conversion layer, in which at least one layer of the interposing layers is an antioxidant-containing interposing layer including the antioxidant.
Owner:FUJIFILM CORP

High-polymerization degree polyvinyl chloride (PVC) door/window strip seal and preparation method thereof

The invention discloses a high-polymerization degree polyvinyl chloride (PVC) door / window strip seal. The strip seal comprises the following ingredients in parts by mass: 100 parts of PVC, 40-80 parts of a plasticizer, 40-70 parts of a filler, 4-6 parts of a thermal stabilizer, 0.5-5 parts of a lubricant, 2.5-6 parts of acrylic copolymer (ACR), 0.2-1 part of an ultraviolet light absorber and 1-6 parts of carbon black. The product has a good ultraviolet light absorption effect, can inhibit photoxidation and optical ageing and is hardly embrittled; the strip seal has shore hardness of 55, the tensile strength of 9.5MPa, the elongation at break of 355% and the tear strength of 25KN / m; the strip seal is low in manufacturing cost, is cold-resistant, has the brittle temperature of -35 DEG C, can be widely used and can continuously replace a conventional material.
Owner:苏州市德莱尔建材科技有限公司

Low-temperature-resistant shock-resistant automobile bumper material

The invention discloses a low-temperature-resistant shock-resistant automobile bumper material which comprises the following components in parts by mass: 40-50 parts of polypropylene, 10-20 parts of ethylene propylene rubber, 10-15 parts of thermoplastic elastomers, 10-15 parts of talcum powder, 0.6-10 parts of carbon nanotubes, 3-5 parts of a compatilizer, 2-5 parts of a light stabilizer, 1-3 parts of a coupling agent, 1-2 parts of a lubricating agent, 1-1.5 parts of an antioxidant and 1-1.5 parts of a dispersing agent. The low-temperature-resistant shock-resistant automobile bumper materialdisclosed by the invention has excellent low temperature resistance, excellent shock resistance and excellent comprehensive physical performance.
Owner:TAICANG GUANLIAN POLYMERIC MATERIAL

Bright-color super-weatherability exterior wall latex paint and preparation method thereof

The invention discloses bright-color super-weatherability exterior wall latex paint and a preparation method thereof. The bright-color super-weatherability exterior wall latex paint is prepared from,by weight, acrylic emulsion, organic color paste, a dispersing agent, a wetting agent, a defoaming agent, a sterilizing agent, a mildew preventive, a light stabilizer, a rheology modifier and pure water. The water-based self-crosslinking pure acrylic emulsion forms an anti-sticking paint film; the sebacate light stabilizer weakens the damage of ultraviolet irradiation to the stability of the paintfilm, and can inhibit the photooxidation of the paint film, thereby enhancing the damage loss of the gloss to the physical properties of the coating. The stability of the organic color paste is protected so that the organic color paste has good light resistance and weather resistance, the flexibility, the adhesive force, the waterproofness and the appearance brightness of the coating are kept, and finally, the durability and the service life of the coating are remarkably improved and prolonged.
Owner:NIPPON PAINT YASHILI

Energy-consumption-free self-adaptive temperature control coating material as well as preparation method and application thereof

The invention discloses an energy-consumption-free self-adaptive temperature control coating material as well as a preparation method and application thereof, the coating material takes a polymer porous membrane as a bottom layer, and a thermochromic film is arranged on the bottom layer. The preparation method comprises the following steps: preparing a spectral selective porous film by taking a polymer, a solvent and a non-solvent as raw materials; the thermochromic microcapsule, a polymer, a curing agent and a solvent are used as raw materials to form a thermochromic film on a spectrum selective porous film, and the coating material is obtained. The energy-consumption-free self-adaptive temperature control coating material has the function of automatically switching cooling / heat preservation along with the change of the environment temperature, refrigeration in summer and heating in winter can be autonomously achieved by sensing the environment temperature, no energy is consumed in the whole temperature control process, energy consumption is greatly reduced, and the energy-consumption-free self-adaptive temperature control coating material has high use value and good application prospects and is worthy of popularization and application. The preparation method has the advantages of being simple and easy to implement, low in production cost, high in film forming efficiency and the like, is suitable for preparing large-area coating materials and is beneficial to industrial application.
Owner:NAT UNIV OF DEFENSE TECH

Self-adhesive multilayer composite flexible decoration sheet preparation process

The invention discloses a self-adhesive multilayer composite flexible decoration sheet preparation process, which specially comprises: adding rosin into ethanol, carrying out stirring dissolving, adding an epoxy resin, carrying out a stirring reaction, adding a RFE adhesive, and stirring and mixing at a normal temperature for 20-30 min to obtain a hydrophobic flame-retardant adhesive; and uniformly coating the surface of a flexible sheet layer with the hydrophobic flame-retardant adhesive, adhering a layer of aluminum-foil paper to the surface of the adhesive, carrying out connection compounding on the aluminum-foil layer of the aluminum-foil paper and the hydrophobic bonding layer, and calendaring by a calendaring machine to obtain the self-adhesive multilayer composite flexible decoration sheet. According to the invention, the prepared anti-oxidation acrylic polymer emulsion contains a large amount of aldehyde groups, the NH2-BZ surface contains a large amount of amino groups, the degree of the cross-linking polymerization of the aldehyde groups and the amino groups is large, the bond energy of the formed -C=N- double bonds is high, and when NH2-BZ is subjected to cross-linking polymerization through the emulsion, the binding capacity between mineral powder ions is large and the bond energy is high, so that the tensile strength of the sheet is effectively improved.
Owner:宁波金铠石新材料科技有限公司

A kind of photocatalytic self-cleaning composite coating and preparation method thereof

The invention provides a photocatalytic self-cleaning composite paint and a preparation method thereof, belonging to the field of self-cleaning materials. The coating includes: using MXene precursors as raw materials, MXene accordion-shaped nanosheets are obtained by etching with an etchant, and then intercalated and layered by an intercalation agent to obtain MXene single-layer nanosheets, and the volume ratio is 1-3:1 ‑5: 6‑10 co-solvent, titanium dioxide and silicate carry out hydrolysis reaction, obtain MXene single-layer nanosheet / titanium dioxide photocatalytic self-cleaning composite coating after dilution, the volume ratio of described titanium dioxide and MXene single-layer nanosheet is 1 ‑3: 5‑15. The preparation method of the present invention has simple process and strong operability, and the prepared coating has excellent anti-aging properties, antistatic properties, super-hydrophilic properties and photocatalytic activity, and exhibits excellent antifouling potential and Excellent weather resistance and easy large-scale preparation at the same time have broad application prospects.
Owner:HUNAN UNIV

A kind of preparation technology of self-adhesive multi-layer composite flexible decorative sheet

The invention discloses a self-adhesive multilayer composite flexible decoration sheet preparation process, which specially comprises: adding rosin into ethanol, carrying out stirring dissolving, adding an epoxy resin, carrying out a stirring reaction, adding a RFE adhesive, and stirring and mixing at a normal temperature for 20-30 min to obtain a hydrophobic flame-retardant adhesive; and uniformly coating the surface of a flexible sheet layer with the hydrophobic flame-retardant adhesive, adhering a layer of aluminum-foil paper to the surface of the adhesive, carrying out connection compounding on the aluminum-foil layer of the aluminum-foil paper and the hydrophobic bonding layer, and calendaring by a calendaring machine to obtain the self-adhesive multilayer composite flexible decoration sheet. According to the invention, the prepared anti-oxidation acrylic polymer emulsion contains a large amount of aldehyde groups, the NH2-BZ surface contains a large amount of amino groups, the degree of the cross-linking polymerization of the aldehyde groups and the amino groups is large, the bond energy of the formed -C=N- double bonds is high, and when NH2-BZ is subjected to cross-linking polymerization through the emulsion, the binding capacity between mineral powder ions is large and the bond energy is high, so that the tensile strength of the sheet is effectively improved.
Owner:宁波金铠石新材料科技有限公司

A kind of road petroleum asphalt anti-aging agent and preparation method thereof

The invention discloses a road petroleum asphalt anti-ageing agent, which comprises an additive B and a foundation soft component C, wherein the additive B accounts for 10-60 percent by weight ratio, and the foundation soft component C accounts for 90-40 percent by weight ratio; the foundation soft component C is road petroleum asphalt or aromatic hydrocarbon-rich component or a mixture of the road petroleum asphalt and the aromatic hydrocarbon-rich component; the additive B comprises the following components in the weight ratio: 30-55 percent of a radical scavenger, 15-30 percent of peroxide decomposer, 10-20 percent of light stabilizer and 10-40 percent of metal ion complexing agent. A preparation method for the road petroleum asphalt anti-ageing agent comprises the following steps: heating the foundation soft component C to 70-150 DEG C; respectively adding all the components in the additive B under the stirring condition; and evenly stirring to obtain the road petroleum asphalt anti-ageing agent. The road petroleum asphalt anti-ageing agent disclosed by the invention has the characteristics that anti-ageing performance is good, the use level is low and the compatibility between the road petroleum asphalt anti-ageing agent and the asphalt is good, and is capable of restraining and preventing chain reactions caused on the road petroleum asphalt because of heat, oxygen, light and metal ions, and prolonging the service lives of asphalt road surfaces.
Owner:CHINA PETROLEUM & CHEM CORP

Bright-colored non-discoloring inorganic coating and preparation method thereof

The invention discloses a brilliant-color non-discoloring inorganic coating which comprises the following components in percentage by weight: 25-35% of pure water; 0.1%-0.2% of a thickening agent; 0.1%-0.2% of a multifunctional auxiliary agent; 0.6%-0.8% of a dispersing agent; 0.2%-0.3% of a defoaming agent; 0%-1% of rutile titanium dioxide; 10%-15% of a filler; 10%-15% of aluminum hydroxide sol; 20%-30% of a composite inorganic emulsion; 0.06%-0.1% of a bactericidal preservative; 0.1%-0.15% of a mildew preventive; 0.1%-0.5% of a rheology modifier; 0.1%-0.2% of a wetting agent; 0.05%-0.1% of a light stabilizer; and 15%-20% of organic color paste. Two film-forming substances, namely the composite inorganic emulsion and the aluminum hydroxide sol, are used, so that the alkali resistance, breathability, durability and artificial aging resistance I level of a coating film are met, and the two film-forming substances are the basis of non-discoloring film forming; and the non-alkaline amino ether hindered amine light stabilizer is adopted, so that the photooxidation of the adhesive can be inhibited, and the resistance of the coating to gloss loss, pulverization, cracking, layering and color change is improved.
Owner:NIPPON PAINT YASHILI
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