145 results about "Photo aging" patented technology

The invention relates to a composition for topical application or oral administration, containing an effective quantity of at least one inhibitor of the enzyme 3beta-hydroxysteroid dehydrogenase. This composition is designed in particular for the treatment of certain effects of chronological ageing and photo-ageing of the skin.

The objective of the invention is to provide a photo-aging prophylactic agent for skin with novel ingredients and foods using the photo-aging prophylactic agent for skin, medicaments for mammals including human beings and a skin external agent, as well as feed for mammals. The inventive photo-aging prophylactic agent for skin is characterized by taking extracts of Orobanchaceae plants as effective ingredients. The photo-aging prophylactic agent for skin preferably comprises phenylethanoid glycosides compounds as effective ingredients. Moreover, the photo-aging prophylactic agent for skin preferably comprises at least one of echinacoside and acteoside as the phenylethanoid glycosides compounds. On top of that, the photo-aging prophylactic agent for skin preferably comprises both echinacoside and acteoside as the phenylethanoid glycosides compounds. In addition, the photo-aging prophylactic agent for skin can be employed as medicaments for mammals including human beings, skin external agents, consumptive foods and feed for mammals.

The invention herein encompasses methods effective to stimulate epithelial cell proliferation and/or enhance epithelial moisturization and lubrication in a mammalian subject utilizing a composition comprising one or more inhibitors of beta -glucosidase activity or beta -glucocerebrosidase activity. The composition of the method may alternatively comprise a glycosphingolipid, particularly glucocerebroside, or a combination of the above inhibitor(s) and a glycosphingolipid. The method is effective to enhance the cosmetic appearance of skin and promote healing of skin and mucous membranes damaged or deficient from aging, traumatic wounds, photo-aging and a variety of atrophic conditions. The method may be applied to cells in culture. Also included in the invention is a composition comprising one or more inhibitors of beta -glucosidase and a glycosphingolipid useful to stimulate cell proliferation and enhance tissue moisturization and lubrication.

The present invention relates to sirtuin 6 activating peptides, derived from highly conserved regions of human SIRT proteins, and to a cosmetic or pharmaceutical composition comprising at least one sirtuin 6 activating peptide in a physiologically acceptable medium. The invention further relates to the utilization of a cosmetic composition to prevent and/or repair DNA degradation, improve telomere maintenance and reduce cellular senescence. The invention also applies to a cosmetic treatment process intended to prevent and/or treat the cutaneous signs of aging and photo aging.

A cosmetic composition is provided comprising a Gingko biloba extract, an alkyl β,β-diphenylacrylate and/or α-cyano β,β-diphenylacrylate derivative, and a dibenzoyl methane derivative. A cosmetic use of that composition is also provided for preventing sun damage and photo ageing.

The invention provides a long-fiber enhanced thermoplastic composite material vane used for a wind energy generator, which is composed of a long-fiber enhanced thermoplastic composite material, wherein the long fiber is glass fiber, carbon fiber or the composite fiber of glass fiber and carbon fiber; the content of the long fiber in the vane is 32-75wt%, the reservation length of the long fiber is 2.8-25mm and can form a mutually-tangled three-dimensional net structure characteristics, and therefore the product has a higher impact resistance, and especially has low-temperature impact resistance; the preferable size of the vane manufactured by the injection molding technology is 46-2200mm; the vane surface is provided with a primer layer; and the primer layer is sprayed with a UV (ultraviolet) photocuring light shade surface. In the product, the vane is manufactured by the injection molding technology, and the product has the excellent performances of simple production technology, low cost, long service life, low specific gravity, low-temperature warping deformation resistance, stable size, no water and moisture adsorption, high strength, low-temperature impact resistance, scratch resistance, ultraviolet aging resistance, chemical solvent corrosion resistance and the like.

The invention relates to a high-rigid linear low-density polyethylene injection moulding resin which is prepared from following substances including, by weight, 100 parts of linear low-density polyethylene, 0.15-0.3 parts of a photo-stabilizing agent, 0.05-0.15 parts of an anti-oxygen agent, 0.02-0.10 parts of a halogen absorbing agent, and 0.05-0.10 parts of a rheology modifier. The linear low-density polyethylene is prepared from a following method comprising a step of polymerization through a Unipol gas-phase technology with ethylene as a raw material, 1-butylene as a co-polymer monomer, hydrogen as a chain transfer agent, SLC-S as a catalyst and diethylaluminium chloride and tri-n-hexylaluminium as co-catalysts. The high-rigid linear low-density polyethylene injection moulding resin is good in resin uniformity, rigid-flexible balanced performance and processability, has an excellent anti-ultraviolet light aging property and is mainly used in injection moulding of outdoor products.

The invention provides the use of silica for cosmetic and/or medical treatment of skin, including improving and enhancing the skin-barrier, anti-aging treatment and photo-protective treatment. The invention is based on the finding that silica exhibits a multi-faceted biological effect useful in the cosmetic and/or therapeutic treatment of skin for the above purposes. Specifically, it has been shown that silica induces markers (involucrin, filaggrin and transglutaminase-1) for skin barrier formation in keratinocytes, induces collagen expression in dermal fibroblasts and inhibits UVA-induced up-regulation of photo-aging markers (matrix metalloproteinase MMP-1 and cytokine IL-6).

The invention relates to light weathering and high strength flame retardant reinforced polybutylece terephthalate compound. The invention is characterized in that the compound consists of polybutylece terephthalate, compound modifier, main fire retardant, auxiliary fire retardant, fiber glass, special compound accessory ingredient and compound coupling agent. The invention has a preparation method that the compound modifier, the special compound accessory ingredient and the compound coupling agent are put in a high-speed blender to be dryly mixed for two to three minutes, the pre-mixing matter obtained in the step one, the polybutylece terephthalate, the main fire retardant, the auxiliary fire retardant and the fiber glass are added into an extruding machine through respective exact metering feeders, and are mixed and dispersed in a threaded tube through a combined threaded rod, and the product is obtained through melting extrusion and granulation. The invention has the advantages of outstanding light weathering performance as well as outstanding comprehensive mechanical performance.

The invention discloses modified polypropylene (PP) plastic and a preparation method and use thereof. The modified polypropylene plastic is formed by melting and blending polypropylene with ZnO, ZnO/TiO2 or TiO2/ZnO loaded molecular sieve activated powder. The preparation method of the modified plastic comprises: subjecting a precursor solution of ZnO or TiO2 and molecular sieve activated powder to reduced-pressure absorption reaction; loading the ZnO2 or TiO2 on a molecular sieve activated carrier by high-temperature firing; repeating the loading step to obtain ZnO/TiO2 or TiO2/ZnO loaded molecular sieve activated powder; and melting and blending the ZnO/TiO2 or TiO2/ZnO loaded molecular sieve activated powder with polypropylene. The modified polypropylene plastic disclosed by the invention has good killing effect on staphylococcus aureus, Escherichia coli and the like, has much obvious antibacterial effect in a dark environment than simple pure nano TiO2 modified PP under the same conditions, has much higher ultraviolet aging resistance than PP or PP inorganic particle composite material, and can be used for preparing all-weather antibacterial and anti-aging materials.

The invention belongs to the technical field of cosmetics and relates to a chlorophyll-containing skincare product capable of resisting sunburn and repairing after sunburning. The chlorophyll-containing skincare product capable of resisting sunburn and repairing after sunburning is prepared from chlorophyll compound liposome, hydrogenated jojoba oil, amygdalus pedunculata oil, squalane, cyclopentasiloxane, cetostearyl alcohol, PEG-100 stearate, tocopheryl acetate, bisabolol, butanediol, beta-glucan, sodium hyaluronate, carbopol, mycose, cetearyl glucoside, vitamin C ethyl ether, moringa oleifera leaf extract, triethanolamine, preservatives, essence and water. The chlorophyll-containing skincare product is stable in property, high in safety and high in usage comfort, is capable of effectively resisting ultraviolet rays of different wavebands, also has a good function of resisting photo-aging, and is also capable of preventing symptoms such as skin aging, freckles and desquamation and the like caused by sunburn and accelerating the repairing of the skin after sunburning.

The invention discloses a high-shock-resistance and high-photo-oxidation-aging-resistance polyvinyl chloride injection material composition and belongs to the technical field of plastic processing. The composition comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.1-0.5 part of heat stabilizers, 5-10 parts of impact modifiers, 0.4-0.9 part of complex antioxidants, 0.7-2.7 parts of complex light stabilizers, 0.5-3.5 parts of phosphite ester and lubricants, 1.5-5.0 parts of rutile titanium dioxide and 3.0-7.0 parts of calcium carbonate auxiliary agents. Compared with the prior art, the high-shock-resistance and high-photo-oxidation-aging-resistance polyvinyl chloride injection material composition, disclosed by the invention, has excellent shock resistance, the early-stage and long-term photo aging resistance and the long-term oxidation resistance; therefore, the composition is suitable for outdoor use and the application field of a toughened polyvinyl chloride injection material is broadened.

The invention discloses an emulsifiable paste containing tea polyphenol extract and application of the emulsifiable paste. Each gram of emulsifiable paste is composed of the following raw materials by mass percent: 1-3% of tea polyphenol extract, 0.2-0.4% of triethanolamine, 5.0-10.0% of stearic acid, 3.0-5.0% of monoglyceride, 4.0-6.0% of albolene, 8.0-12.0% of glycerol, 15.0-20.0% of liquid paraffin and the balance of water. The emulsifiable paste containing the tea polyphenol extract provided by the invention is capable of increasing the moisture content of the skin and reducing transepidermal water loss and giving play to the barrier effect of the skin; the emulsifiable paste plays an important role in preventing light aging phenomenons such as dry skin caused by UVB (Ultraviolet B); and clinically, the emulsifiable paste can be used for assisting to treat dryness and desquamation phenomenons of skin diseases such as eczema and psoriasis.

The invention discloses a light aging test frame for a fugitive dye of silk fabrics. The light aging test frame comprises a base with a detection substance placing area, wherein a vertical column is arranged on the side edge of the base; a movable rod and a light source traveling device are connected to the vertical column; the movable rod can move up and down; an input optical fiber of a miniature fiber optic spectrometer is connected to the upper part of the light source traveling device; the side edge of the light source traveling device is connected with an output optical fiber of the miniature fiber optic spectrometer. According to a light aging test method using the light aging test frame for the fugitive dye of the silk fabrics, the miniature fiber optic spectrometer is used as a main body, and the input illumination intensity is changed by sliding of the movable rod in the light aging test frame, so that the fading degree of the fugitive dye of the silk fabrics is changed along with the change of the input illumination intensity, and the aging degree of the fugitive dye of the silk fabrics under the illumination is judged. The light aging test frame has the advantages that the wavelength range is wide; the detection speed is high, and the aging time is short.

The invention discloses a preparation method of an epoxy-modified ultra-matte acrylic acid coating. The epoxy-modified ultra-matte acrylic acid coating is specifically prepared from epoxy-modified ultra-matte acrylic emulsion and color paste in proportion. The coating product provided by the invention has good storage stability, has excellent physical and mechanical properties, chemical resistance, salt spray resistance and light aging resistance after electrophoretic coating, and can pass an artificial accelerated aging test and an artificial accelerated salt spray test for thousands of hours. The coating is suitable for protecting and coating the surface of a workpiece with chemical resistance and ultralow gloss requirements.

The invention discloses a road asphalt anti-aging agent and a use method thereof. The road asphalt anti-aging agent comprises an anti-aging agent, an antioxidant and a light stabilizer, the anti-aging agent is a nickel-containing compound and is dark green in color; the antioxidant is an amine compound and is white; and the light stabilizer is a hindered amine substance and is white. The required raw materials have the characteristics of low carbon, environment friendliness, wide source, low market price and the like, the preparation process of the composite anti-aging agent is simple, the experimental conditions are mild, large preparation instruments are not needed, and industrialization is easy to realize. Besides, a large number of researches prove that the obtained composite anti-aging agent has small influence on original asphalt and can effectively resist the influence of long-term aging on the asphalt, the added anti-aging agent and antioxidant can effectively resist the influence of high temperature, oxygen, ozone and the like on the asphalt, and the light stabilizer is also beneficial to improving the ultraviolet aging resistance of the asphalt.

The invention discloses a collagen peptide with a light aging relieving effect and a preparation method thereof. The preparation method is characterized in that eel skins are cut up and cleaned, and are then sequentially soaked by a NaOH solution and a butanol solution to remove noncollagen protein and fat; then, an acid method and an enzyme method are used for coextraction to obtain collagen peptide; finally, the collagen peptide is digested through in vitro simulation; and collagen peptide powder is obtained. The method of compounding the acid method and the enzyme method is used for extracting collagen peptide in the eel skins; the extraction rate reaches 80 percent or higher; the purity reaches 85 percent or higher; the collagen peptide obtained through final hydrolysis can relieve symptoms such as skin collagen peptide loss caused by light aging; and good effects of beautification, skin protection and senescence delaying are achieved.

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.