64 results about "Anti photoaging" patented technology

The invention relates to a fluorosilicone-modified acrylic resin hydrophobic anti-corrosion paint which is characterized in that the paint comprises a component A and a component B in parts by weight, wherein the component A comprises 45-70 parts of hydrophobic resin, 5-40 parts of pigments and fillers, 6-30 parts of solvent, 1-3 parts of anti-aging agent, 1-5 parts of dispersant, and 0.5-2 parts of anti-settling agent, and the component A is prepared by mixing, grinding and stirring; and the component B comprises 5-8 parts of curing agent. The paint has the characteristics of good hydrophobic property, good adhesion, strong anti-photoaging property, strong flexibility, self-cleaning property, good corrosion resistance, excellent performances and the like, is convenient for construction and can be coated for a large area.

The invention relates to the field of stem cells, and discloses novel use of a stem cell exosome, and particularly discloses novel use of a human amniotic mesenchymal stem cell exosome. The experiment result shows that a human amniotic mesenchymal stem cell is capable of promoting growth of HDF cells, improving the activity of SOD (Superoxide Dismutase) enzyme in the cells, reducing attacks and damages to the cells caused by oxygen radicals generated by ultraviolet radiation induction, and reducing the death rate of the cells. The use shows that the human amniotic mesenchymal stem cell exosome has an anti-photoaging effect, and meanwhile, the human amniotic mesenchymal stem cell exosome is free of phototoxicity, so that application of the human amniotic mesenchymal stem cell exosome in preparation of an anti-ageing preparation is provided. The invention also provides an anti-ageing preparation of the human amniotic mesenchymal stem cell exosome.

The invention discloses a stiffening finishing composition for silk, which is characterized by comprising the following components by weight percent: 85-95% of stiffening agent ZB-602, 1-3% of silk antimildew and antibacterial finishing agent FM -2598, 2-4% of silk anti-photoaging finishing agent FZ-2599, 1-3% of penetrant JFC and 2-4% of de-ionized water. The composition can break through the process that a single-layer silk surface can not be stiffened as paper for a long time, the silk paper after the stiffening finish fully conforms to environmental protection requirements and various indexes are in line with current national standards, so that the silk after being stiffened can be freely cut, carved and decorated according to uses, thereby greatly expanding the range of application and radiation of paper cutting and carving.

The invention discloses a preparation method of an anti-photoaging ceramic insulator. The preparation method is characterized by comprising the following steps: purchasing block raw materials from a mine, strictly screening the raw materials, and milling the block raw materials into powder by use of a granite edge runner mill; dosing clay, quart and feldspar at a ratio of 3:2:1; putting the dosed materials into a ball mill, and milling the dosed materials into mud; feeding the milled mud into a slurry pool, and performing iron removal for three times by use of a permanent magnet rod; putting the mud into the slurry pool and stirring; pumping the stirred mud into a mud squeezing machine by use of a plunger pump, and filtering out excessive moisture so that the mud is squeezed into a mud cake; stirring the mud by use of a primary stirring machine, and extruding the mud cake into mud segments; aging the raw materials; forming and roasting; finally performing mucilage binding, inspection and storage. The method disclosed by the invention is simple and easy to operate, and can be used for greatly reducing the production cost; the ceramic insulator produced by the process provided by the invention is resistant to aging and corrosion and has good insulating property and high mechanical strength.

The invention discloses an anti-photoaging nano TiO2/ABS (acrylonitrile-butadiene-styrene) composite material, which comprises the following components by weight ratio: 55-85 parts of ABS, 10-30 parts of nano TiO2, antioxidant of 0.1-2 parts, 0.1-2 parts of light stabilizer, 0.1-2 parts of UV (ultraviolet) absorber, and 0.1-1 part of other additives. The rutile nanoTiO2 has an excellent long-lasting UV shielding performance, and has environmental friendly advantages compared with benzotriazole UV absorbers, hindered amine light stabilizers and other traditional anti-aging modifiers. The modified ABS composite material prepared by the invention not only has a good anti-photoaging property, the physical and mechanical properties and thermodynamic properties of the material are basically unaffected, and the application prospects are broad.

The invention relates to a PVC (polyvinyl chloride) combination for a storage battery shell and a preparation method thereof, belongs to the field of material science and in particular relates to an injection molding heat-resisting PVC combination and a preparation method thereof, wherein the combination is applicable to producing the storage battery shell. By virtue of adopting PVC resins with low polymerization degree, and combining specific compound heat-resisting modifiers, size stabilizers and full-ester impact modifiers, the PVC combination which has higher vicat softening temperature and superior impact property is produced. Compared with the prior art, the PVC has the following advantages: by virtue of adopting the heat-resisting modifiers with specific components and combining the size stabilizers, the heat-resisting performance of the PVC resins is improved, and therefore the PVC combination for the storage battery shell provided by the invention has higher vicat softening temperature, and by virtue of adopting the full-ester impact modifiers, the material has superior impact property, and meanwhile the anti-photoaging performance is prevented from being reduced.

The invention discloses a high-temperature-resistant anti-photoaging degradable PP membrane and a preparation method thereof. The PE membrane comprises the following components: PE, an antioxidant, an antioxidant aid, a light stabilizer, polyester fibers, silica gel powder, plant oil, butyl titanate, sorbic acid, hydroxypropyl starch and hydroxypropyl methyl cellulose. The preparation method comprises the following steps: adding PE, polyester fibers, silica gel powder, butyl titanate and hydroxypropyl methyl cellulose into a reaction kettle, and at the temperature of 180-200DEG C and under the condition of vacuum degree of 0.02-0.06MPa, stirring and reacting to obtain a mixture I, then adding the remaining components into the mixture I, stirring and evenly mixing, then extruding and pelletizing in a double-screw extruder to obtain master batches, finally extruding and performing membrane blowing to the master batches by adopting a plastic membrane blowing machine to obtain the high-temperature-resistant anti-photoaging degradable PE membrane. The PE membrane has excellent high temperature resistance, anti-photoaging and degradable properties, and the application range is extended.

An anti-photoaging composition, filament containing it, its production and use are disclosed. The composition consists of hindered amine light stabilizer 10-22wt%, phenol antioxiant 8-14wt% and residual polymer from at least one of polypropylene, polyethylene, polystyrene, polyester and polyamide. The filament consists of anti-photoaging composition 2-10wt% and residual polymer from at least one of polypropylene, polyethylene, polystyrene, polyester and polyamide. It has good anti-photoaging performance and can be used for sand block and filter net.

The invention discloses a mask with an anti-photoaging effect. The mask with the anti-photoaging effect comprises: (1) mask base cloth; and (2) mask essence. The mask essence is prepared from the following components: (a) a water soluble thickener, wherein the mask essence has a viscosity of 1mPa.s to 5000mPa.s by adding the thickener; and (b) 0.1wt% to 20wt% moisturizing agent comprising polyols and sodium hyaluronate; and (c) 0.1wt% to 10wt% anti-photoaging compound which is prepared from an inverse emulsifier, an oily component, oxo-thiazolidine, and undecylenoyl phenylalanine; and (d) water-containing carrier. The mask with anti-photoaging effect has functions of effectively inhibiting and cleaning free radicals, improving the skin appearance damaged by ultraviolet light, reducing the generation of melanin and improving the ability of preventing ultraviolet light of the skin, and has multiple anti-photoaging effects.

The invention relates to the field of cosmetics, in particular to a targeted mitochondrial skin anti-aging nano composition. The nano composition comprises beta-nicotinamide mononucleotide NMN, other anti-aging active ingredients and a nano drug carrier; the NMN accounts for 0.1-10% of the total mass of the nano composition; the other anti-aging active ingredients comprise at least one of an antioxidant, a protein synthesis accelerant, an anti-photoaging agent and a humectant; and the nano drug carrier comprises the following raw materials: a cell penetration promoting agent, an emulsifier, a co-emulsifier, liquid lipid and water. The anti-aging active ingredients of different mechanisms are reasonably matched and have a synergistic effect; the anti-aging active ingredients are wrapped by the nano drug carrier, so that the stability of the anti-aging ingredients is improved; and the active ingredients efficiently enter deep skin tissues and anti-aging target cells and mitochondria, so that tissue and cell dual targeting is realized, the bioavailability is improved, the anti-aging effect is improved, and the composition is mild and non-irritant to skin and can be widely applied to cosmetics.

The invention relates to a polymer PTC (positive temperature coefficient) element with excellent weather resistance and its manufacturing method. The polymer PTC element with excellent weather resistance comprises a macromolecular PTC core material, and metal foils and extraction electrodes attached to two surfaces of the core material. The outside of the PPTC element is coated with an insulating layer, which is composed of the following three layers: an anti-photoaging layer, an anti-oxidation layer and a moisture-proof layer. The anti-photoaging layer adopts alicyclic epoxy resin as the substrate, and is a coating material containing one or several components of an ultraviolet absorber and an ultraviolet shielding agent. The anti-photoaging layer has an ultraviolet transmission rate of less than 1%. The anti-oxidation layer is a glycidyl ether epoxy resin material, or takes glycidyl amine epoxy resin material as the substrate, and has an oxygen penetration constant of less than 1cm<3>*m/m<2>/24h/0.1Mpa. The moisture-proof layer takes a silicon based material as the substrate, and has a water vapor penetration constant of less than 1cm<3>*m/m<2>/24h/0.1Mpa.

The invention provides a super-molecule intercalation structure anti-photoaging material and a preparation method thereof. According to the present invention, an ultraviolet absorber, an organic weakreducer and a free radical capture agent are innovatively co-assembled into the interlayer of hydrotalcite, wherein the photodegradation on the plastic by ultraviolet rays is blocked by the ultraviolet absorption property of the ultraviolet absorber, the high reactive oxygen is absorbed by the reduction effect of the organic weak reducer so as to reduce the photooxidation on the plastic, and the free radical capture agent captures the active free radical produced by the photodegradation so as to reduce the photoaging of the plastic; due to the synergetic anti-photoaging effect of the ultraviolet absorber, the organic weak reducer and the free radical capture agent in the interlayer of LDHs, the anti-photoaging performance of the co-intercalation structure LDHs is significantly superior tothe anti-photoaging performance of the ultraviolet absorber single-intercalation structure LDHs, and the disadvantage of poor anti-photoaging effect of the existing ultraviolet absorber single-intercalation structure LDHs is overcome; and the prepared anti-photoaging material of the present invention has advantages of high heat resistance, good migration resistance, excellent light protection performance and the like, and can be widely used in the fields of plastics, coating materials, and the like.

The invention belongs to the technical field of preparation of a novel anti-photoaging stone cultural relic coating, and provides a preparation method of a durable hydrophobic anti-photoaging stone cultural relic sealing coating in order to overcome the defects that an existing anti-photoaging stone cultural relic sealing coating is poor in durability, prone to pollution, poor in anti-photoaging performance, low in strength and the like. According to the invention, fluorosilane and nano TiO2 are added into an isopropanol solution, and ultrasonic dispersion is carried out; a mixed solution of PDMS and a curing agent are prepared; and the fluorosilane grafted nano TiO2 is dried, the dried fluorosilane grafted nano TiO2 is added into a PDMS mixed solution, ultrasonic dispersion is carried out, the surface of the stone cultural relic is coated with the obtained product, vacuumizing is carried out, and curing is performed to obtain the durable hydrophobic anti-photoaging stone cultural relic sealing and protecting coating. Due to the fact that the nano TiO2 with the light shielding performance is enriched on the surface, the light aging resistance is improved. The fluorosilane-modifiednano TiO2 migrated to the surface reduces the surface energy of the coating, thereby enhancing the hydrophobicity. The preparation method is simple and easy to implement, short in period, suitable forlarge-scale production and applied to stone cultural relic protection.

The invention relates to application of total astragaloside to anti-photoaging and photodamage of skin. The total astragaloside can improve the photoaging caused by long-term repeated irradiation of UVB (Ultraviolet B). As proved by cell level experiments, the total astragaloside has good effects in anti-oxidation, anti-photodamage, anti-photoaging, protection of mitochondria and inhibition of apoptosis induced by the UVB and the like. Meanwhile, the total astragaloside can also reverse the loss process of collagen in skin cells during photoaging, and promote the accumulation of collagen. On the other hand, the autophagy activity of photoaging cells can be up-regulated, and the normal cell homeostasis process is maintained so as to better resist the photoaging process. The total astragaloside is proved to have a good effect in the anti-skin photoaging process, and can be applied in the fields of pharmaceutical, health care products, cosmetics and the like.

The invention provides an anti-photoaging latex foaming product and a manufacturing method thereof. The product comprises the following components in parts by weight: 100-0 parts of natural latex NR with solid content of 60%, 0-100 parts of styrene-butadiene latex SBR with solid content of more than 60%, 7.0-8.5 parts of vulcanizing bag with solid content of 50%, 0.65-1.3 parts of DPG dispersion with solid content of 50%, 2.3-5.8 parts of potassium oleate with solid content of 20%, and 0.75-1.35 parts of castor oil soup liquid with solid content of 20%, and 0.4-0.8 parts of a composite anti-photoaging agent dispersion with the solid content of 50% and a proper amount of a pH regulator. The combined anti-photoaging agent dispersion is mainly prepared from a phenolic antioxidant, an ultraviolet light absorber and a light stabilizer. By adding the combined anti-photoaging agent dispersoid into the formula, the obtained latex foaming product can greatly improve the anti-photoaging performance.

The invention discloses an application of natural plant monomer corynoxeine and a composition of the monomer, echinacoside and andrographolide in preparation of whitening cosmetics, which belong to the field of traditional Chinese medicines and cosmetics. The corynoxeine or the composition of corynoxeine, andrographolide and echinacoside is used as a whitening active component, can jointly inhibitthe generation of melanin in skin cells and reduce the damage of ultraviolet (UV) to the skin cells, also has the capacity of improving the collagen synthesis capacity of skin fibroblasts, and has the effect of resisting photoaging. The three monomers, namely the corynoxeine, the andrographolide and the echinacoside, are combined to achieve an obvious synergistic effect, the effect is remarkablyimproved, and the composition is safe and stable, and has the effects of fading stains, whitening skin, improving the elasticity and moisture of human skin and resisting light aging. The plant monomerwith the whitening effect can be used as an effective active ingredient to be prepared into various dosage forms such as cream, emulsion, essence, masks and spray, and is used in cosmetics.

The invention discloses an anti-aging repair nanoemulsion and application thereof. The anti-aging repairing nano-particle-size emulsion is prepared by taking the ganoderma lucidum Chinese herbal medicine two-way fermentation liquor and the fortune silverweed extract as main effective components and adding the nano emulsifier, the grease, the polyhydric alcohol, the thickening agent and the preservative, so that the skin cell utilization degree of active substances is promoted, and a better skin care effect is achieved. Experiments prove that the nanoemulsion has a relatively strong anti-aging and repairing function on skin, can promote synthesis of human I-type collagen and inhibit generation of free radicals, has a relatively good anti-photoaging function, and can promote expression of skin barrier related genes, so that the nanoemulsion has a good application prospect in anti-aging and repairing of the skin.

The invention discloses an anti-skin photoaging composition and an application thereof. The composition comprises the components by weight of (0.1-100) parts of a component A and (1000-20000) parts ofa component B, wherein the component A comprises at least one of carnosic acid, a pharmaceutically acceptable salt thereof or a solvate thereof, and the component B comprises at least one of protopanaxadiol, a pharmaceutically acceptable salt of or solvate thereof. The anti-skin photoaging composition has the effects of resisting photoaging and resisting aging, carnosic acid and protopanoxadiol in the composition act on different antioxidant channels and sites, and a better photoaging resisting effect is achieved through a synergistic effect, so that the composition has higher popularizationand application values in products such as skin care products.

The invention discloses an aramid fiber composite core with environmental resistance and a preparation method thereof, and belongs to the technical field of aramid composite core preparation. The aramid composite core comprises aramid fibers, a sizing agent anti-photoaging layer, a resin anti-photoaging layer and a hydrolysis-resistant layer. The preparation method comprises the following steps that anti-photoaging ZnO and TiO2 light shielding agents are correspondingly added into the sizing agent and resin, fibers passing through the sizing agent are dried, the fibers enter a gum dipping tankfor gum dipping, the fibers enter a curing mold after gum dipping, the fibers are pulled out and molded by a dragger, the prepared composite core is subjected to post-curing treatment and passes through deposition equipment after complete curing, the composite core surface is coated with a layer of compact hydrolysis-resistant coating layer such as PEEK or PA, and the treated aramid fiber composite core has anti-photoaging and damp-heat aging resistance.

The invention discloses a stable anti-photoaging composition and a preparation method thereof, and belongs to the technical field of cosmetic preparation. The composition is prepared from ascorbic acid, superoxide dismutase, triolein, batyl alcohol, plum-leaf crab seed oil, poloxamer 407, PPG-12/SMDI copolymer, hexanediol, glycerol and deionized water according to the mass ratio of (1-10): (1-5): 3: 1: 2: (4-16): (1-4): 1: (10-20): (30-50). The composition has the advantages of synergistic interaction, synergistic stability and multi-way and all-round anti-photoaging, the high-content anti-photoaging composition is wrapped in a gel system, the gel slow release system enables functional components to be slowly released, and therefore the mildness of the product and the tolerance of the skin are improved, and meanwhile the long-acting anti-photoaging effect can be achieved.

The invention relates to a novel ultraviolet aging-resistant powder coating and a preparation method thereof. The invention relates to a novel thermocuring ultraviolet stabilizer and preparation thereof. The preparation comprises the specific steps: (1) stirring and dissolving a compound containing hydroxyl and benzophenone structures and epoxy chloropropane under the protection of inert gas, thendropwise adding a NaOH aqueous solution under the protection of N2, carrying out reaction, washing with deionized water, filtering and drying to obtain novel epoxy resin containing an ultraviolet stabilizer; and (2) mixing the synthesized novel epoxy resin with other epoxy resin to be used as an epoxy resin component in the powder coating, mixing with an inorganic filler, a leveling agent, a curing agent, a pigment filler and polyester, and grinding to prepare the ultraviolet aging-resistant powder coating. The ultraviolet light stabilizer is fully bonded to the epoxy resin through chemical bonds, so that the ultraviolet light stabilizer and common epoxy resin can form a uniform copolymerization system, macroscopic phase separation and precipitation cannot be generated between the light stabilizer and a resin coating layer, and the appearance and photoaging resistance of the coating layer can be guaranteed for a long time.