34results about How to "Inhibit photooxidation" patented technology

A polymeric electroluminescent device suppresses photo-oxidation and enhances luminous stability and efficiency by using a nanocomposite of a luminescent polymer and metal nanoparticles as its emitting layer.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.