31results about How to "Improve photoaging" patented technology

The invention discloses a composition of yeast fermentation extract. The composition is prepared from 75-95% of bifid yeast fermentation product lysate and the balance of multi-yeast complex, whereinthe multi-yeast complex is prepared from lactobacillus fermentation product filtrate and saccharomycete fermentation product filtrate. The invention also discloses application of the composition of the yeast fermentation extract in cosmetics. By combining the effects of anti-ultraviolet damage, purification, regeneration, oxidation resistance and wrinkle prevention of the bifid yeast fermentationproduct lysate and the multi-yeast complex as well as the synergistic effect of the multiple yeast for caring skin, the composition disclosed by the invention realizes multiple care effects on skin and realizes safe and durable effective care.

The invention provides a modified carbon fiber reinforcement asphalt pavement antiskid material and a method for preparing the same. The modified carbon fiber reinforcement asphalt pavement antiskid material comprises surface-modified carbon fibers, SBS (styrene-butadiene-styrene) modified asphalt epoxy cementing materials, ultrafine organic montmorillonite, non-antiskid aggregate and antiskid aggregate. The SBS modified asphalt epoxy cementing materials comprise SBS modified asphalt, epoxy resin and curing agents. The modified carbon fiber reinforcement asphalt pavement antiskid material andthe method have the advantages that the modified carbon fiber reinforcement asphalt pavement antiskid material is good in abrasion resistance and antiskid performance, and accordingly the technical difficult problems of fast antiskid performance decay of asphalt pavements, poor durability of surface treatment layers and the like can be effectively solved; the method is simple, the modified carbonfiber reinforcement asphalt pavement antiskid material comprises the surface-modified carbon fibers, accordingly, functional group bonding of the surfaces of carbon fibers and asphalt and epoxy resincomponents can be promoted, the interfacial properties between the carbon fibers and asphalt-base materials can be reinforced, and the abrasion resistance and the durability of asphalt pavement antiskid surface treatment layer materials can be improved.

The invention relates to a seamless conveying belt. The conveying belt forms a closed hybrid layer by a joint-free closed base belt and rubber, an outer rubber layer is designed on the outer surface of the closed hybrid layer, and an outer silica gel layer is designed on the outer surface of the outer rubber layer. The manufacture method of the conveying belt comprises the following steps: (1) selecting a plane annular woolen blanket as the joint-free closed base belt; (2) mounting the joint-free closed base belt on a rubber spreading machine; (3) starting the rubber spreading machine, pouringliquid rubber on the joint-free closed base belt and spreading the liquid rubber by a scraper; (4) spraying liquid silica gel on the outer surface of the outer rubber layer; (5) after the outer silica gel layer is solidified, abrading the outer surface of the outer silica gel layer by an abrading machine; (6) taking the product out of the machine and putting into a warehouse. The seamless conveying belt produced by the method has seamless integration and high strength and quality without sticking a conveying object and meets the requirement of a super wide and / or a super long product by a user. The invention has simple manufacture method, high production efficiency and less equipment investment.

The invention relates to a seamless silica gel conveying belt. The conveying belt forms a closed hybrid layer by a joint-free closed base belt and silica gel, an outer silica gel layer is designed onthe outer surface of the closed hybrid layer, and the closed hybrid layer and the outer silica gel layer are integrally molded into a whole in such a way that liquid silica gel is poured and spread onthe joint-free closed base belt. The manufacture method of the conveying belt comprises the following steps: (1) connecting the head and the tail of a plane strip base belt to be woven into the joint-free closed base belt; (2) mounting the joint-free closed base belt on a gel spreading machine; (3) starting the gel spreading machine, pouring the liquid silica gel on the joint-free closed base belt and spreading the liquid silica gel by a scraper on the gel spreading machine; (4) after the silica gel is solidified, abrading the outer surface of the outer silica gel layer by an abrading machine; (5) taking the product out of the machine and putting into a warehouse. The seamless silica gel conveying belt produced by the method has seamless integration and high strength and quality without sticking a conveying object and meets the requirement of a super wide and / or a super long product by a user. The manufacture method has simpler working procedures.

The invention relates to a sun-proof anti-aging polyethylene pipe comprising two layers of an inner layer and an outer layer, the inner layer is a pipe main body, and the outer layer is a sun-proof anti-aging protective layer. The outer layer thickness is 10%-15% of the overall pipe wall thickness, but is not less than 1mm. The outer layer material comprises the following components: by weight, 50-70 parts of mLLDPE (metallocene polyethylene), 50-30 parts of EPDM (ethylene-propylene-diene monomer), 0.3-4 parts of a chain extender, 0.2-0.5 part of a catalyst, 5-10 parts of carbon black, 1-2 parts of titanium dioxide, 0.5-1.5 parts of an antioxidant and 1-2 parts of a dispersant; the inner layer material is a HDPE (high-density polyethylene) composite material with the carbon black content being more than 2% and the carbon black grade being less than grade 3. The polyethylene pipe is prepared by high-speed mixing and mixed plasticizing of the outer layer material then use of a composite die for extrusion molding of the outer layer material and the inner layer material, compared with ordinary polyethylene pipes, the anti-aging performance is improved, the pipe service life is prolonged, the sun-proof anti-aging polyethylene pipe can be exposed on the earth surface for use, and the application scope of the polyethylene pipe can be expanded.

The invention relates to a PP-PA6 (polypropylene-polyamide 6) polymer alloy resin for spinning. A PP molecular chain and maleic anhydride molecular grafting process is adopted. As the maleic anhydride is prepared into a polymer, a solvent does not need to be used a carrier in the grafting reaction. The PP-PA6 polymer alloy resin is prepared from the following raw materials in percentage by weight: 1.2 to 1.8% of PP molecular chain and maleic anhydride molecular grafting polymer, 0.035 to 0.06% of initiator, 73.14 to 78% of PP resin and 20.14 to 25% of PA6 resin. The PP-PA6 polymer alloy resin has the advantages that the produced PP-PP6 polymer fiber is mainly used for earthwork engineering, net cage culturing, building safety nets, industrial filtering cloths, and the like; and meanwhile, along with the raising of the ratio of the PA6, the low-temperature shock-resistant performance, the anti-static performance, the pigmentation degree, the heat aging-resistant performance and the light aging-resistant performance are also improved, and the mechanical strength is improved.

The invention relates to a food and medicine conveyor belt and a making method thereof. The conveyor belt is a four-layer structure conveyor belt formed by compounding a food grade silica gel coat, a mesh fabric interlayer, a soft PVC layer and a compact fabric substrate which are sequentially arrayed from top to bottom. The food and medicine conveyor belt is made through a hot pressing and coating technology. The preparation method comprises the following steps: setting the mesh fabric and the compact fabric, carrying out hot pressing compounding of the set mesh fabric and compact fabric and PVC, and coating the surface by a food grade silica gel to form a finished product. Compared with conveyor belts in the prior art, the conveyor belt provided by the invention has the advantages of long service life, low cost, reaching of food and medicine contact standards, and suitableness for the food and medicine fields.

The invention discloses skin cream with an effect of removing black eye and a preparation method of the skin cream, and relates to the technical field of cosmetics. The preparation method comprises the following steps: firstly reacting layered nano calcium carbonate with adipic acid, then reacting with a tea polyphenol nano-liposome dispersion liquid and a chitosan solution, filtering and drying to prepare modified calcium carbonate, and finally mixing deionized water with caprylic / capric triglyceride, adding a natural emulsifier, C10-18 triglyceride fatty acid, sucrose laurate, ceramide, squalane, cholesterol, a traditional Chinese medicine extract and modified calcium carbonate to prepare the skin cream with the effect of removing black eye. The prepared skin cream with the dark eye removing effect can cover black eye after being used, the effective components continuously act on the dark eye positions while the skin is protected, and the product has the excellent dark eye removing effect.

The present invention provides a modified carbon fiber reinforced asphalt pavement anti-skid material and a preparation method thereof. The modified carbon fiber reinforced asphalt pavement anti-skid material includes the following raw materials: surface modified carbon fiber, SBS modified asphalt epoxy binder, Ultrafine organic montmorillonite, non-slip-resistant aggregate and anti-slip aggregate; wherein, the SBS modified asphalt epoxy binder includes SBS modified asphalt, epoxy resin and curing agent. The modified carbon fiber reinforced asphalt pavement anti-skid material has good wear resistance and anti-skid performance, and can effectively solve technical problems such as fast decay of asphalt pavement anti-skid performance and poor durability of the surface layer. The preparation method is simple, and the surface modification is adopted. Carbon fiber can promote the bonding of functional groups between the carbon fiber surface and asphalt and epoxy resin components, strengthen the interface performance between carbon fiber and asphalt-based materials, and improve the wear resistance and durability of the anti-skid surface layer of asphalt pavement.

The invention provides a skin barrier repairing complex, facial cream and a preparation method therefor. The skin barrier repairing complex comprises a composition for repairing skin barrier, hydroxylasiaticoside, deacidified carnosine, a glycyrrhiza inflata root extract, a radix scutellariae extract and a hamamelis extract, wherein the composition for repairing skin barrier comprises sea fennelcallus culture filtrate, Ectoin and a hydrolyzed red alga extract. The skin barrier repairing complex can achieve triple effects of simultaneously repairing cutin barrier, repairing immunologic barrier and strengthening microbiologic barrier; and the facial cream prepared from the skin barrier repairing complex is obvious in repairing effect and can be used for effectively improving hydrature of skin, increasing the content of hyaluronic acid in the skin, improving photoaging, helping cell saccharification reversing and reducing fine grain area.

The invention provides a mixing liquid of Chinese herbal medicine mask powder. The mixing liquid comprises following components in parts by weight: 40-70 parts of deionized water, 10-20 parts of butanediol, 3-5 parts of polyaminopropyl biguanide stearate, 5-10 parts of chrysanthemum extract, 5-10 parts of lonicera chrysantha flower extract, 2-6 parts of 1,2-hexanediol, 5-9 parts of PEG-40 hydrogenated castor oil and 3-7 parts of borneol. The invention further provides a preparation method of the mixing liquid of the Chinese herbal medicine mask powder. The mixing liquid of the Chinese herbal medicine mask powder can brighten and refresh the skin, can moisten and tighten the skin, has a synergistic inhibition effect on pigment, has a remarkable spot removing effect and high safety and is free of toxic and side effects; and the mixing liquid has an obvious anti-yellowing effect, can tighten pores to enable the skin to be finer and smoother, removes fine wrinkles of face, improves photoaging and brightens the complexion, and therefore, the skin is fresh and bright, the corium layer is directly replenished with rich moisture and the skin is moist and elastic.

The invention belongs to the field of cosmetics and relates to composite solid powder and sunscreen composition containing the same and a polymer film-forming agent. The composite solid powder contains a physical sunscreen, a skin texture improver and a surface treating agent. The smoothness of the cosmetics can be improved remarkably by adding the skin texture improver, and light skin texture is realized. The sunscreen composition contains the composite solid powder and the polymer film-forming agent such as a C30-38 olefin / isopropyl maleate / MA copolymer and the like, cosmetics containing the composition can be applied to skin surface naturally and smoothly to endow skin with smooth and soft texture and durable makeup holding capacity, and more importantly, the SPF (sun protection factor) of the sunscreen can be increased remarkably.

The invention relates to preparation methods for airship skin materials, in particular to a hot-pressing preparation method for aluminum-coated TPU (thermoplastic polyurethane) film resistance reduction microgrooves for an airship skin. The hot-pressing preparation method solves the problems of poor weather resistance, high resistance and poor heat insulation of skins. The preparation method includes: firstly, preparing an aluminum mould plate; secondly, cleaning the mould plate and coating release agent; thirdly, evaporating an aluminum film on the surface of a TPU film by the vacuum evaporation technique; and fourthly, pressing for 20-25 minutes under the pressure of 65-75N and at the temperature of 140-145 DEG C to obtain an aluminum-coated TPU film with resistance reduction microgrooves. By the preparation method, microgrooves which are high in resolution and aspect ratio are obtained, the aluminum layer on the surface of the film can reflect solar radiation to improve weather resistance, process equipment is simple, and cost is low. Further, the hot-pressing preparation method is used for preparation of resistance-reducing weather-resistant skin materials for near space airships.