49results about How to "Improves photoaging performance" patented technology

The invention discloses an epoxy polyurethane anticorrosive coating capable of resisting light aging and a preparation method; A component is prepared by mixing, stirring and grinding epoxy resin with medium molecular weight, hydroxyl-containing polyester resin, dimethylbenzene, butyl acetate, titanium pigment, ultraviolet absorber, talcum powder, mica powder, organosiloxane, isopropyl tri (dioctylpyrophosphato) titanate, poly-organic phosphate and the like; B component is prepared by mixing and stirring diphenylmethane diisocyanate and biuret. A component and B component are uniformly mixed according to weight ratio of 4:1 to be used. The epoxy polyurethane anticorrosive coating is capable of resisting light aging and has excellent corrosion resistance against acid, alkali and salt and salt fog resistance. The invention is external anticorrosive preferential coating for steel structures under severe environment such as chemical factories, refineries and the like.

The invention relates to a natural lignocellulose material with modified nano zinc oxide and a preparation method thereof. The method prepares the natural lignocellulose material with modified nano zinc oxide by impregnating natural lignocellulose material with zinc salt solution by means of constant pressure, vacuum or vacuum pressure, and then conducting heat treatment on the material obtained through impregnation at the temperature of 70-120 DEG C for 1-6h. Being simple and effective, the preparation method not only maintains the color, texture and structure of natural lignocellulose material totally, but also improves the resistance to photochromism by 10-20 times and improves mildewproof performance by 25-30 times and changes unavailable antibacterial performance to over 99 percent sterilization rate of colibacillus, candida albicans and other strains. The natural lignocellulose material with modified nano zinc oxide can be widely applied outdoors, and in indoor basements, hospitals and other places that have high requirement on the anti-aging, mildewproof and antibacterial performances of the material.

The invention provides a water-based epoxy paint and a preparation method thereof. The paint comprises an amino resin, a leveling agent, distilled water, a water-based epoxy acrylic resin, a dispersing agent, a defoaming agent, iron oxide black, superfine talcum powder, precipitated baryte, zinc phosphate, a rust inhibitor and the like; and a nano MoS2 anti-wear agent and a nano CaCO3 ultraviolet absorbent are further added to enhance the properties. By reasonably designing the component types and contents, the thickness of the paint film can reach 100 mu m above, the water resistance is greater than 240 hours, the transmittivity for ultraviolet light with the wavelength of 290-400nm is less than 0.4, the wear-resistant revolution number is up to 1000-1400, the mass loss of the paint film is less than 0.07 g/100r, and the salt spray resistance is greater than 200 hours. The paint can be brushed on the internal and external walls of an iron building, has excellent protective effect, and is especially suitable for protecting iron building cultural relics.

The invention relates to a high-build epoxy coal tar pitch anticorrosive coating and a preparation method thereof. The preparation method comprises the following steps of: adding dimethylbenzene, n-butyl alcohol, butanone, coal tar pitch resin liquid, toughened resin, precipitated barium sulfate, silk mica powder, talc powder, a hoof-joint type rheological control aid, a coupling agent 01, a CibaEFKA3650 aid, an organic defoaming agent and poly organic carboxylate into bisphenol A type epoxy resin with medium molecular weight, stirring, dispersing at a high speed, and grinding into a component A; stirring phenolic ammonia, an accelerator, ethanol and a CibaTINUVIN 460 light stabilizer to form a component B; and uniformly mixing the component A and the component B in a ratio of 10:1. The high-build epoxy coal tar pitch anticorrosive coating has certain toughness, and has excellent adhesion, high microbial corrosion resistance, long construction operating period and certain light ageing resistance when applied to prestressed concrete cylinder pipe (PCCP) exterior walls.

The invention relates to the technical field of remediation of oil-overflowing water bodies and particularly relates to a microorganism loading type resin adsorbent capable of degrading greasy dirt and a preparation method of the resin adsorbent. The resin adsorbent is prepared by the steps of dipping a microorganism loading body into an acrylate copolymer emulsion, and drying, wherein the microorganism loading body is prepared by loading a multi-channel carrier particle with petroleum hydrocarbon degrading bacteria, and the carrier particle is a konjac glucomannan aerogel particle. The resinadsorbent is capable of degrading adsorbed petroleum and continuously treating petroleum in water; konjac glucomannan aerogel is loaded with petroleum hydrocarbon degrading bacteria and is embedded into acrylate resin, so that the curing stability of a strain is high; and konjac glucomannan aerogel and acrylate resin are internally provided with rich micro-fine channels, so that the resin adsorbent has huge oil absorption capacity and is high in adsorption velocity.

The invention discloses an anti-light-ageing reinforcement material of colored relics. The reinforcement material is prepared from the following components in parts by weight: 500-1,200 parts of silicon dioxide, 6,000-20,000 parts of B72, 5-40 parts of polyethylene glycol octylphenol ether, 4-20 parts of aminopropyl triethoxy silane, 5,000-80,000 parts of a 85%-95% ethanol aqueous solution and 30,000-200,000 parts of ethyl acetate. Compared with a common reinforcement material B72 of the colored relics, the anti-light-ageing reinforcement material is relatively long in service life and relatively high in stability, especially, the light ageing resistance is remarkably improved, and a preparation process of the anti-light-ageing reinforcement material is simple and convenient to perform.

The invention discloses a preparation method of an aerogel composite material for degrading organic matters. The preparation method comprises carbon nitride preparation, titanium dioxide and carbon nitride compounding, cellulose modification and aerogel preparation, wherein the cellulose modification step is as follows: adjusting the pH of a H2O2 solution to 11-12 by using a NaOH solution, drying,crushing, adding sieved natural saw dust into the H2O2 solution, carrying out constant-temperature oscillation reaction for 10-15 hours, adding 3-alpha-furylacrylic acid accounting for 1-5% of the mass of the saw dust and 3-chloro-2-hydroxypropyl trimethyl ammonium chloride accounting for 0.5-1% of the mass of the saw dust, and reacting for 4-6 hours under ultraviolet light to obtain a modified saw dust cellulose solution. The preparation process is simple, raw material sources are rich, the large-scale production is facilitated, and the prepared aerogel composite material has a large specific surface area, and has the advantages of being high in adsorption property, high in organic substance degradation efficiency, long in service life, green and environment-friendly and the like.

The invention discloses a cosmetic which comprises the following components in percentage by weight: 20-35% of dendrobium polysaccharides, 10-15% of glycerinum, 0-2 of ceramide, 42-65% of ultrapure water, 0.3-1% of dendrobine ethosomes, 0-2% of natural vitamin E, 0-1% of trans-resveratrol, 0-1% of vitamin C palmitate, 0-1% of alpha-arbutin and 0.1-1% of plant essential oil. The invention further provides a preparation method of the dendrobium polysaccharides and the dendrobine ethosomes in the cosmetic. The invention solves the technical problem of 'providing a cosmetic with dendrobium extracts (the dendrobium polysaccharides and the dendrobine ethosomes)', and the cosmetic disclosed by the invention has effects of ultraviolet resistance and oxidation resistance, meanwhile has effects of whitening skin and lightening stain, and moreover is purely natural and free of irritation.

The invention discloses environment-friendly flame-retardant rubber floor. The environment-friendly flame-retardant rubber floor is prepared from the following raw materials in parts by weight: 20-30 parts of butadiene styrene rubber, 50-60 parts of acrylonitrile-butadiene rubber, 6-8 parts of titanium dioxide, 4-6 parts of a vulcanizing agent, 1-3 parts of zinc oxide, 0.5-2 parts of stearic acid, 4-6 parts of white carbon black, 0.8-1.4 parts of an accelerant, 1-2 parts of a weather resistant, 3-5 parts of antimonous oxide, 5-7 parts of a flame retardant, 1-3 parts of an antistatic agent and 20-30 parts of reinforcing filler. The rubber floor disclosed by the invention has the advantages of stronger wear resistance, static electricity resistance, low smoke, low toxicity, low corrosion, good flame resistance, high tensile strength, good skid resistance, good resilience and the like. A manufacturing method for the rubber floor adopts safe and reliable raw material components, is harmless on environment, adopts easily available raw materials, is relatively low in cost, is simple in process, is easy to operate and realize industrial production, and has relatively high practical value and a good application prospect.

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 discloses an inorganic bio-based ultraviolet aging-resistant flame retardant and application thereof in textiles. The flame retardant comprises a g-C3N4 anion suspension solution prepared from urea, a polyethyleneimine cation solution prepared from polyethyleneimine and deionized water, and a phytic acid anion solution prepared from phytic acid and deionized water. Fluorescent powder, polyvinylpyrrolidone and absolute ethyl alcohol are mixed, and stirring is performed to obtain a coating solution; and a cotton fabric is alternately soaked in the polyethyleneimine cation solution and the g-C3N4 anion solution and then is alternately soaked in the polyethyleneimine cation solution and the phytic acid anion solution, then the coating solution is uniformly applied, and drying is performed to obtain an ultraviolet aging-resistant and flame-retardant cotton fabric. According to the flame retardant, an inorganic bio-based hybrid self-assembly coating is constructed, so that the afterflame of a polyester-cotton fabric is effectively inhibited, and the char forming capacity of the cotton fabric is improved. Ultraviolet rays are effectively absorbed through the fluorescent powder, so that the ultraviolet aging resistance of the fabric is enhanced.

The invention discloses a natural plant sunscreen composition as well as preparation method and application thereof in sunscreen products. The composition is prepared from the following components inpercentage by weight: 1-5% of moisturizer, 0-1% of rheology modifier, 30-50% of alcohol, 2-15% of plant extract compound and 5-20% of nano hemp stalk core powder; the plant extract compound is prepared from an ilex kudingcha extract, a radix scutellariae extract, a fructus rosae roxburgniae extract, a lespedeza extract, a saffron crocus extract and a flos sophorae immaturus extract. Since all components are derived from natural plants, the sunscreen composition disclosed by the invention is safe and mild, realizes an effective protection effect against ultraviolet light and a function of improving skin repairing and light aging resistance, and feels moisturized, smooth and fresh without greasiness.

The invention provides a synthesis method of an ultraviolet light absorber for water-based coiled material finish paint, and particularly relates to the technical field of polymer synthesis and paints. The method comprises the steps: S1, taking 2,4-dihydroxybenzophenone (UV-0) as a parent body, introducing an active reaction group through molecular design, and preparing a reaction type benzophenone monomer; and S2, enabling the active monomer containing the benzophenone structure in the S1 to react with sodium polyethylene glycol with different molecular weights so as to obtain a target product. The water solubility of the ultraviolet light absorber can be effectively improved; and the compatibility of the ultraviolet light absorber and base resin can be improved, the defects that a traditional benzophenone ultraviolet light absorber is insoluble in water, poor in compatibility, prone to migration and the like are overcome, and when the ultraviolet light absorber is used in cooperation with the water-based coiled material finish paint, the light aging resistance of a coating film can be effectively improved.

The invention discloses an ABS material and a preparation method thereof. The ABS material is prepared from, by weight, 70-85 parts of first ABS resin, 5-15 parts of second ABS resin, 10-20 parts of AES resin, 0.2-0.6 part of hindered phenol antioxidant, 0.2-0.6 part of phosphite antioxidant, 0.1-1.0 part of ultraviolet light absorber, 0.1-0.8 part of hindered amine light stabilizer, 0.2-0.5 partof lubricating agent and 0.3-0.6 part of dispersing agent; the first ABS resin is synthesized ABS resin by using a continuous bulk method, and the second ABS resin is the synthesized ABS resin by using a emulsion polymerization method. By utilizing synergistic effects among all the components, the method improves the weather-proof performance and mechanical performance of the ABS material.

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 relates to a preparation method of an exterior wall heat-insulating coating capable of resisting pulverizing and falling, and belongs to the technical field of preparation of building materials. The preparation method comprises the following steps: grinding raw materials comprising coal ash rich in calcium, aluminum ions and siliceous salt, sandstone and imvite to obtain a sieving powder, cultivating oil-producing algae by taking waste water of a sugar refinery as a culture liquid, blending and fermenting the oil-producing algae, egg white and orange juice to obtain a fermented material, continuously fermenting the fermented material and the sieving powder for the second time, and finally preparing the exterior wall heat-insulating coating capable of resisting pulverizing andfalling by taking fermentation filter residues as a main material and cooperating with other auxiliary materials. The exterior wall heat-insulating coating capable of resisting pulverizing and falling has a high waterproof property, high durability and high adhesive strength, has low probability of pulverizing and falling and has a wide application prospect.

The invention discloses an environment-friendly preservation bag for beef jerky and a preservation method of the bag. The environment-friendly preservation bag takes polylactic resin as a base material, nano titanium is added for enhancing the polylactic resin, added propolis has an antibacterial function, the preservation function of the preservation bag is improved, an added preservative tea polyphenol has an antioxidant function, melt blending and extrusion palletization are adopted, extrusion and film blowing are performed, and the prepared preservation bag has the advantages of being biodegradable, environmentally friendly, antibacterial and simple to prepare.

The invention provides a high-ductility composite degradable polymer and a preparation method thereof. The high-ductility composite degradable polymer is prepared from the following raw materials in parts by weight: 1-99 parts of PHBV, 1-99 parts of PPCP, 0.1-20 parts of a compatibilizer and 0.1-15 parts of functional materials. According to the composite degradable polymer disclosed by the invention, by regulating and controlling the adding proportion of the PPCP and the PHBV and combining the specific compatibilizer and various specific functional aids, the production cost is reduced, the crystallization degree of a composite copolymer is reduced, the mechanical property of the composite degradable polymer is improved, and the compatibility, the thermal stability and the light aging resistance of the polymer are improved; the application of the composite copolymer in films, sheets, injection molding products and foaming products is improved, and the method is suitable for large-scale industrial production.

The invention discloses a preparation method of a bio-based flame-retardant and light-aging-resistant PVA (polyvinyl alcohol) composite material, which comprises the following steps: dispersing polyvinyl alcohol in deionized water, heating, stirring and cooling to obtain PVA dispersion liquid; adding glacial acetic acid and chitosan powder, and stirring at room temperature until the chitosan powder is completely dissolved; adding phytic acid, stirring and performing ultrasonic treatment to obtain a bio-based flame-retardant PVA solution; adding fluorescent powder, stirring at room temperature, and performing ultrasonic treatment to obtain a mixed solution; and transferring the mixed solution into a mold, drying, and demolding to obtain the bio-based flame-retardant and light-aging-resistant PVA composite material. The composite material prepared by the preparation method has excellent flame retardant property, mechanical property, ultraviolet absorption property and the like, the influence of ultraviolet on PVA (Polyvinyl Alcohol) can be reduced, the service life is prolonged, and the light aging resistance is improved.

The invention discloses a wax printing dye and a wax printing method. A substance containing a bis(monochlorotriazine) active group or monochlorodiazine active group is used as a colorant, mixed wax liquid is adopted, dyeing color fastness is changed, and tea polyphenols are added into the dye in order to improve the light aging resistance of dyeing colors. A fabric is smoothened and pretreated inthe dyeing process, a substance base is provided for natural and fine wax stripes in a follow-up wax printing process, the pretreated fabric is placed into the dye and dyed under the action of ultrasound, movement of dye molecules is facilitated by the action of ultrasound, dyeing is accelerated, and dyeing color fastness and uniformity are improved.

Disclosed is a light aging resistant polyurethane plastic track. The light aging resistant polyurethane plastic track is prepared from paraformaldehyde, dimethylethanolamine, methylbenzene, rosin, aziridine, hydrogen peroxide, formic acid, phosphoric acid, ethylene glycol dimethacrylate, titanium dioxide rutile, nano barium sulfate, gamma-ammonia propyl triethoxy silane, poly butyl bisphenol, acrylonitrile-butadiene-styrol copolymer, iron oxide green, stearic acid lactic acid zinc, dibutyl phthalate, triethyl citrate, diethyl dithiocarbamate zinc, polypropylene glycol, methylene diphenyl diisocyanate, a 8-10%NaOH solution and deionized water. The polyurethane plastic track has the advantages of being good in elasticity, wearproof, antiskid, attractive in color, clean in site, easy to maintain and manage, free from affection of weather and the like.

The invention relates to tent fabric, in particular to PVC/PCA composite coating fabric of a sanitary tent and a processing technology of the PVC/PCA composite coating fabric. The PVC/PCA composite coating fabric of the sanitary tent is prepared from, by weight, 50-100 parts of PVC paste resin, 0-50 parts of copolymer resin, 40-80 parts of an environment-friendly plasticizer, 0-30 parts of a cold-resistance plasticizer, 2-4 parts of an environment-friendly compound stabilizer, 10-30 parts of a flame retardant, 0-4 parts of a mildew preventive, 0-5 parts of a light stabilizer, 0-40 parts of a filler and 0-8 parts of a binder, wherein the copolymer resin is chloroethylene/vinyl acetate/acrylate terpolymer resin (PCA), and the sum of weights of the PVC paste resin and copolymer resin is 100 parts. According to the PVC/PCA composite coating fabric, the use of a large quantity of the low-molecular-weight plasticizer is avoided, and the fabric has excellent wear resistance, folding resistance and low-temperature resistance while the cold-resistance plasticizer is not used or the usage amount of the plasticizer is lowered.