29results about How to "Improved performance against UV aging" patented technology

The invention provides an anti-aging high-strength nylon material for automobiles and a preparation process of the anti-aging high-strength nylon material, and is applicable to the field of polymer composite materials. The material comprises 50%-60% of a nylon matrix material, 30%-40% of glass fibers, 0.3%-0.6% of an antioxidant composition, 0.3%-0.5% of an ultraviolet light absorber, 0.2%-0.4% of a light stabilizer, 0.1%-0.2% of an anti-hydrolysis agent, 0.1%-0.3% of a lubricant and 5%-10% of a flexibilizer. The preparation process comprises the steps of drying of the nylon matrix and the glass fibers, high-speed mixing, twin-screw extrusion, cooling and pelletizing and injection molding, and the tensile strength, the impact strength and the aging resistance of the prepared nylon material are remarkably improved by optimizing the proportion and process parameters. The material is suitable for high-performance application of automobile structural parts, exterior trimming parts and the like, overcomes the defects of the traditional nylon in the aspects of weather resistance, mechanical strength and processability, and provides a high-performance and long-life material choice for the automobile industry.

The invention provides an ultraviolet-resistant ETFE film for a photovoltaic module and a preparation method thereof, and the ETFE film comprises the following components based on the total weight of 100 parts: an ethylene-tetrafluoroethylene copolymer used as a base material; 0.5 to 1.5 parts by weight of a stabilizing auxiliary agent; the weight part of the antioxidant is 0.5 to 1.5 parts; and 0.4 to 1.6 parts by weight of an anti-ultraviolet agent. The weather resistance, the ultraviolet aging resistance and the light transmittance of the ultraviolet-resistant ETFE film for the photovoltaic module are remarkably improved by selecting an ethylene-tetrafluoroethylene copolymer (ETFE) as a base material, and meanwhile, the weather resistance, the ultraviolet aging resistance and the light transmittance of the ultraviolet-resistant ETFE film for the photovoltaic module are remarkably improved by adding a series of efficient anti-aging and anti-ultraviolet agents such as 2, 2 '-methylenebis6-(2H-benzotriazole-2-yl)-4-(1, 1, 3, 3-tetramethylbutyl) phenol and C27H27N302. Therefore, the ultraviolet blocking rate of the film is obviously improved, and the service life of a photovoltaic module is effectively prolonged.

The invention relates to the technical field of coatings, in particular to an anti-icing coating for a wind power generation blade and a preparation method and application of the anti-icing coating. The component A comprises 42 to 45 wt% of organosilicon modified fluorocarbon resin, 0.8 to 1.0 wt% of a wetting dispersant, 15 to 20 wt% of titanium dioxide, 5 to 8 wt% of super-hydrophobic silica particles, 0.3 to 0.5 wt% of a rheological additive, 0.8 to 1 wt% of a leveling agent, 0.1 to 0.2 wt% of an antifoaming agent, 1 to 1.2 wt% of an ultraviolet light absorber, 0.8 to 1 wt% of a light stabilizer and the balance of an organic solvent I; the component B comprises 65-70 wt% of an aliphatic isocyanate curing agent and the balance of an organic solvent II, and the anti-icing coating disclosed by the invention has waterproof self-cleaning performance and anti-icing performance.

The invention relates to a novel high Abbe number 1.56 acrylic lens, which is characterized in that monomers for synthesizing a lens material contain modified methyl methacrylate, an acrylate monomer with hydroxyl, a polymethacrylate monomer and high refractive index epoxy resin, the modified methyl methacrylate is obtained by polyaddition reaction of methyl methacrylate, methacrylic acid and allyl methacrylate, and the mass ratio of methyl methacrylate, methacrylic acid and allyl methacrylate is (15-20): (3-5): (5-10). The abbe number, the hardness, the visible light transmittance, the impact resistance, the thermal stability, the ultraviolet aging resistance, the curvature stability and other properties of the lens are effectively improved.

The invention discloses a high and cold mining area water blocking layer reconstruction structure and method. The water blocking layer reconstruction structure sequentially comprises improved soil, modified polyurethane and improved soil from bottom to top; wherein the improved soil is formed by mixing coal gangue, loess and bentonite in proportion; the modified polyurethane is obtained by dissolving an ultraviolet light absorber UV24 in a small amount of butanone, mixing with polyurethane, dissolving in water, and adjusting the pH value to 4-6. By reconstructing the water blocking layer, the effect of a previous frozen soil layer is achieved, water infiltration is effectively prevented, and water and soil loss of a mine is reduced. The ecological restoration of the mining area can be promoted, and the resource utilization of the coal gangue can be realized. The waterproof layer is reasonable in reconstruction structure, and the material is durable and practical. Through the structure of'improved soil + polyurethane + improved soil ', water infiltration is prevented to the greatest extent, and due to the added bentonite and ultraviolet light absorber, the freeze-thaw resistance, compression resistance, shear resistance and ultraviolet aging resistance of the material are enhanced, and the service life of the material is prolonged.

The invention relates to the technical field of insulation, in particular to an anti-aging composite insulator and a preparation method thereof.The anti-aging composite insulator comprises an aluminum oxide ceramic green body and a composite coating; the composite coating is prepared from the following raw materials in parts by weight: 60 to 80 parts of hydroxyl-terminated polydimethylsiloxane, 5 to 10 parts of amino modified polymethylhydrosiloxane, 1 to 3 parts of an epoxy silane coupling agent, 5 to 10 parts of LaFeO3 / TiO2 heterojunction nanoflowers, 0.01 to 0.1 part of dibutyltin dilaurate and 40 to 60 parts of a diluent, the composite insulator prepared by the invention has excellent ultraviolet aging resistance and stain resistance, and can be widely applied to power transmission lines of power systems in China.

The invention discloses a transparent anti-yellowing UV adhesive and a preparation method thereof, and belongs to the technical field of adhesives. The transparent anti-yellowing UV adhesive disclosed by the invention is prepared from the following raw material components in parts by weight: 20 to 40 parts by mass of epoxy resin base material, 5 to 15 parts by mass of modified polytitanium siloxane, 1.5 to 2.5 parts by mass of photoinitiator, 10 to 20 parts by mass of oxetane and 7 to 9 parts by mass of vinyl ether, the epoxy resin base material is prepared from any one or a combination of at least two of bisphenol A type epoxy resin YL980, hydrogenated bisphenol A type epoxy resin YX-8000D, alicyclic epoxy resin celloxide 2021P, alicyclic epoxy resin Epolead GT401 and alicyclic epoxy resin S-28; the modified titanium polysiloxane is obtained by carrying out condensation polymerization on gamma-glycidyl ether oxypropyl methyl diethoxy silane, gamma-methacryloyloxy propyl trimethoxy silane, vinyl methyl diethoxy silane and tetrabutyl titanate. The preparation method comprises the following steps: carrying out condensation polymerization on gamma-glycidyl ether oxypropyl methyl diethoxy silane, gamma-methacryloyloxy propyl trimethoxy silane, vinyl methyl diethoxy silane and tetrabutyl titanate to obtain the modified titanium polysiloxane.

The invention discloses an anti-corrosion matte PE high polymer material and application thereof in wind power and photovoltaic power generation, and belongs to the technical field of PE high polymer materials, the anti-corrosion matte PE high polymer material comprises the following components by weight: 100 parts of a polyethylene resin matrix; 0.5-3 parts of a composite anti-aging system; 5-30 parts of a multifunctional synergistic matting anti-corrosion filler; 0.1 to 1.5 parts of a rare earth complex weather-resistant synergist; 0.5-2 parts of a processing aid; the polyethylene resin matrix is high-density polyethylene, linear low-density polyethylene or a blend of the high-density polyethylene and the linear low-density polyethylene, and the melt flow rate of the polyethylene resin matrix is 0.5-5g / 10min under the condition of 190 DEG C / 2.16 kg. The surface double-modified layered silicate and the basic zinc phosphate are compounded to serve as the multifunctional synergistic matting corrosion-resistant filler, the material is endowed with excellent corrosion resistance, the good matting effect and weather resistance are achieved, meanwhile, the special structure of the filler can effectively inhibit corrosion medium permeation, and the corrosion resistance of the material is improved. And the service life of the material in a severe environment is prolonged.

The application discloses a kind of preparation methods for high transparent polyethylene film additive, belong to polyethylene technical field, to solve the technical problems of high transparent polyethylene film in prior art, high production cost, aging resistance performance needs to be further provided, including nucleating agent grafting quaternary ammonium salt modified nanosilica and low-density polyethylene are mixed, initiator is added, by melt grafting reaction in twin-screw extruder, reaction is finished, extrusion, cooling, granulation, obtain intermediate I;Intermediate I, antioxidant 168, antioxidant 1076, zinc stearate, antistatic agent 1800 and mustard acid amide are mixed, to obtain high transparent polyethylene film additive;The high transparent polyethylene film additive prepared in the application is mixed with low-density polyethylene, and the processing performance is good, to obtain the high transparent polyethylene film with lower cost;This film not only has good transparency and tensile property, but also has good aging resistance.

This invention discloses a high-temperature resistant honeycomb core paper, its preparation method, and its application. The paper has a three-layer composite structure, including two outer layers and an intermediate layer. The two outer layers are identical in composition, consisting of high-temperature resistant chopped fibers and high-temperature resistant resin. The intermediate layer, located between the two outer layers, comprises high-temperature resistant micro / nano fibers, high-temperature resistant pulp fibers, high-temperature resistant chopped fibers, and high-temperature resistant resin. The high-temperature resistant micro / nano fibers are fibrillated PBO fibers. The high-temperature resistant pulp fibers are PBO pulp fibers. The mass ratio of the high-temperature resistant micro / nano fibers, high-temperature resistant pulp fibers, and high-temperature resistant chopped fibers is 3–15:15–35:50–75. Through material structure design, this invention effectively improves the paper's high-temperature resistance (>250℃) and UV aging resistance.

The present application provides a kind of UV reinforced polyvinyl butyral modified asphalt and its preparation method.The modified asphalt is based on matrix asphalt, polyvinyl butyral, photoinitiator and crosslinking aid are added, and the uniform dispersion and crosslinking reaction of polyvinyl butyral in asphalt system are promoted by UV light, so as to improve the ultraviolet aging resistance, bonding strength and weather resistance of asphalt.The preparation steps include: heating the matrix asphalt to 140-190℃, adding polyvinyl butyral shear stirring, then adding photoinitiator and crosslinking aid, and continuing to stir under UV light to form a uniform modified asphalt system.The method can significantly improve the aging resistance, high temperature stability and low temperature crack resistance of modified asphalt, and is suitable for road paving, bridge waterproofing and other high durability engineering fields, and has good industrial application prospect.

The invention provides an anti-ultraviolet aging PC / ABS composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The PC / ABS composite material is prepared from the following raw materials in parts by weight: 5-10 parts of a modifier and 150-200 parts of PC / ABS plastic, the modifier is a composite metal oxide subjected to UV326 / UV531 intercalation, after the surface of the composite metal oxide is modified by polydopamine, the modified composite metal oxide reacts with phytic acid and tris (2-chloroethyl) phosphate, and TiO2 is deposited in situ to prepare the modifier. The composite material prepared by adding the modifier prepared by the invention into PC / ABS plastic has better ultraviolet aging resistance, the mechanical property and thermal stability of the material are enhanced, the antibacterial property and flame retardance are improved, and the composite material has wide application prospects.

This invention discloses an impact-resistant polyethersulfone composite material and its preparation method. A modified polymer and a modified filler are melt-blended, and a pretreated film is prepared using a blown film process. The pretreated film and a modified nonwoven fabric are then laminated and hot-pressed to obtain the impact-resistant polyethersulfone composite material. The modified polyethersulfone is formed by the stepwise polymerization of 4,4'-difluoro-diphenyl sulfone and a dihydroxy monomer, and then hindered amine structures are grafted onto the molecular side to obtain the modified polymer. The hindered amine structures can capture free radicals, improving the material's anti-aging properties, while the disulfide bond structure can absorb energy when the material is impacted, enhancing its impact resistance. A modified filler is prepared by coating a composite filler formed from TiO2 and CeO2 with silica, which can efficiently absorb and convert ultraviolet light, improving the material's anti-aging properties. Simultaneously, the interlayer nonwoven fabric structure effectively prevents cracks from directly penetrating to adjacent layers, enhancing the material's impact resistance.

The utility model discloses a modularly-assembled corrosion-resistant injection-molded shell which comprises an injection-molded shell main body, an assembling module mechanism is arranged in the injection-molded shell main body, an injection-molded cover plate is arranged on the upper surface of the injection-molded shell main body, and symmetrical positioning plates are installed on the outer surface of the injection-molded shell main body. Symmetrical adaptive mounting holes are formed in the upper surfaces of the two positioning plates correspondingly, a locking mechanism is arranged on the outer surface of the injection molding shell body, the injection molding shell body comprises two first positioning frames, and two sets of second positioning frames are installed in the injection molding shell body. And sealing gaskets are arranged in the two first positioning frames and the two groups of second positioning frames. According to the device, through cooperation of the assembly plate and the positioning frame, modular assembly can be conveniently conducted on the interior of the injection molding shell body, the applicability of the injection molding shell body is improved, the acid and alkali resistance of the surface of the injection molding shell body can be improved through the nanometer titanium dioxide coating, and the oleophobicity of the surface of the injection molding shell body is improved.

This invention relates to the field of polymer molding materials. A functional color-printed composite packaging film of ultra-high molecular weight polyethylene is disclosed, which is formed by curing a polyethylene film substrate, p-hydroxybenzoic acid, polyethylene glycol diacrylate, laccase, and acrylate ink monomers. The film is formed by covalently coupling quinone radicals generated from p-hydroxybenzoic acid and polyethylene glycol diacrylate under laccase catalysis to the substrate surface, forming a polyethylene glycol grafted interlayer. Subsequently, ultraviolet light-initiated polymerization is performed on the surface of the interlayer to form a cross-linked and cured ink layer. This method utilizes the covalently bonded grafted interlayer to block the rearrangement of non-polar molecular chains of the substrate to the surface, maintaining surface polarity stability, and enabling the ink layer and substrate to possess the highest standard peel strength, with no blistering or peeling of the ink layer under boiling water conditions.

The invention relates to a preparation method of a high-abbe-number modified acrylate optical material, which is characterized in that monomers for synthesizing the optical material contain modified methyl methacrylate, an acrylate monomer with hydroxyl, a polymethacrylate monomer and high-refractive-index epoxy resin, the modified methyl methacrylate is obtained by polyaddition reaction of methyl methacrylate, methacrylic acid and allyl methacrylate, and the mass ratio of methyl methacrylate, methacrylic acid and allyl methacrylate is (15-20): (3-5): (5-10). The abbe number, the hardness, the visible light transmittance, the impact resistance, the thermal stability, the ultraviolet aging resistance, the curvature stability and other properties of the optical material prepared by the method are effectively improved. The preparation method is simple in procedure, safe and controllable, no waste is discharged in the preparation process, and the green and environment-friendly industrial production requirement can be met.

The invention discloses a preparation method of an aluminum alloy profile with an anti-fouling and wear-resistant coating, belongs to the technical field of anti-fouling and wear-resistant profiles, and aims to solve the technical problem that the wear resistance, the anti-fouling performance and the ultraviolet resistance of the anti-fouling and wear-resistant coating of the aluminum alloy profile in the prior art need to be further improved. The method comprises the following steps: carrying out surface treatment on an aluminum alloy profile to obtain a pretreated profile, namely preparing a powder coating from composite polyamide acid, modified silicon dioxide, polymethyl methacrylate and 1H, 1H, 2H, 2H-perfluorodecyl mercaptan, and sequentially carrying out electrostatic spraying, soaking modification and high-temperature treatment on a new aluminum alloy material subjected to surface treatment to obtain the aluminum alloy profile. The wear resistance and the pollution resistance of the aluminum alloy surface coating are effectively improved, and the impact resistance, the ultraviolet aging resistance and the adhesion grade of the aluminum alloy surface coating are also improved.

The invention provides high-adhesion LED-UV metal printing ink and a preparation method thereof, and belongs to the technical field of ink. The preparation method comprises the following steps: preparing the surface modified nano composite powder; preparing a composite anti-aging agent; preparing an acrylate prepolymer; preparing a modified prepolymer; mixing to prepare the printing ink. The preparation method comprises the following steps: preparing nano-composite powder with ultraviolet resistance from tetrabutyl titanate and zinc nitrate hexahydrate as raw materials, blending the nano-composite powder into slurry, adding a sodium silicate solution and cerous sulfate, carrying out a reaction, carrying out surface modification on the nano-composite powder, inhibiting the photocatalytic activity of the nano-composite powder, and carrying out surface modification on the nano-composite powder. After the anti-aging agent is added into the ink, the anti-aging performance of the ink can be effectively improved, and the anti-discoloration performance of the ink can be improved.

This invention discloses a waterproof mesh film for plastic greenhouses, relating to the technical field of high-toughness, UV-resistant polymer compositions. The waterproof mesh film for plastic greenhouses is prepared from raw materials comprising the following parts by weight: 60-80 parts polyolefin resin, 15-35 parts polyolefin elastomer, 10-25 parts filler and reinforcing agent, 0.3-1.5 parts light stabilizer, 0.2-0.8 parts antioxidant, and 0.5-2 parts processing aid. The addition of light stabilizer and antioxidant, and their synergistic effect, effectively prevents the photo-oxidation reaction and thermal oxidative degradation of polymer materials under ultraviolet radiation, significantly improving the UV aging resistance of the waterproof mesh film and reducing problems such as material performance deterioration, discoloration, fading, and decreased waterproof performance caused by long-term outdoor use. The waterproof mesh film of this invention exhibits significant advantages in flexibility and impact resistance, making it less prone to tearing and damage when facing harsh weather, frequent folding, or contact with sharp objects, thus extending its service life.

The application relates to the paint technology field, and discloses an environment-friendly anti-aging automobile repair paint and a preparation method thereof; the operation steps are as follows: water-based polyurethane is added into deionized water and uniformly mixed; a defoaming agent, a leveling agent, an anti-aging agent and color paste are continuously stirred and uniformly mixed; and a water-based isocyanate curing agent is added to obtain the environment-friendly anti-aging automobile repair paint. In the scheme, the lignin is introduced into the water-based polyurethane and the anti-aging agent respectively, the dispersity of the lignin in the environment-friendly anti-aging automobile repair paint is improved, and the anti-aging property and the environmental protection property of the automobile repair paint can be effectively improved.

The invention relates to the technical field of high-weather-resistance epoxy coatings, and discloses a high-weather-resistance epoxy coating and a preparation method thereof.The high-weather-resistance epoxy coating is prepared from 100 parts of modified epoxy resin, 20-40 parts of pigment, 0.5-2 parts of ultraviolet absorbent, 0.5-2 parts of antioxidant, 0.5-1.5 parts of dispersing agent, 0.2-0.8 part of defoaming agent, 10-20 parts of solvent, 30-60 parts of curing agent and 1-5 parts of accelerant. According to the scheme, an organic silicon-epoxy resin compound is used as matrix resin, and meanwhile, an organic silicon unit is introduced into an epoxy resin main chain by utilizing a molecular grafting technology, so that an aromatic ether bond easy to photodecompose in the epoxy resin can be shielded, and the ultraviolet aging resistance of the coating is further improved; meanwhile, after the modified epoxy resin is mixed with the pigment, the ultraviolet absorbent, the antioxidant, the dispersing agent, the defoaming agent, the solvent, the curing agent and the accelerant according to the proportion, the weather resistance of the coating is obviously improved compared with that of a common epoxy coating.

This invention discloses a method for preparing an inorganic water-based transparent coating for concrete durability protection and its application, relating to the field of building materials technology. The preparation method includes: mixing and diluting lithium silicate and potassium silicate, then adding nano-silica sol to react and obtain a composite mother liquor; adding soluble zinc salt and boric acid to the composite mother liquor and mixing evenly to obtain a transparent coating; applying the transparent coating to the concrete surface, where silicate ions in the coating react with calcium ions in the concrete, and under the crystal induction effect of zinc ions, nanofiber-like hydrated calcium silicate whiskers are generated in situ. The whiskers overlap to form a three-dimensional network structure, and after drying, an inorganic water-based transparent coating is obtained. This invention solves the problem of high brittleness and easy cracking of pure inorganic coatings by in-situ generation of nano-whiskers to enhance the network through zinc salt induction, while maintaining high transparency of the coating. It also has the advantages of chemical bonding with concrete, excellent durability, and simple construction.

The invention discloses a fiber for a flexible sun-proof outdoor trampoline net and a preparation method of the fiber, and relates to the technical field of composite fibers. The preparation method comprises the following steps: firstly, activating a multi-walled carbon nanotube to enable the multi-walled carbon nanotube to be uniformly dispersed in a poly (2, 5-dihydroxy-1, 4-phenylenediimidazole) matrix, carrying out melt spinning to prepare a polymer fiber, carrying out drafting orientation twice in the process so as to gain the mechanical properties of the fiber, and then carrying out plasma treatment to obtain the multi-walled carbon nanotube / poly (2, 5-dihydroxy-1, 4-phenylenediimidazole) / poly (2, 5-dihydroxy-1, 4-phenylenediimidazole) / poly (2, 5-dihydroxy-1, 4-phenylenediimidazole) fiber. The overall ultraviolet shielding performance is enhanced, meanwhile, the binding force of the fiber and an adhesive is enhanced, and finally, the mechanical property and the ultraviolet aging resisting effect of the fiber are greatly improved by coating a fiber net; wherein fibers in the fiber net are blended and spun by silicon oxide, zinc and zirconium, and are subjected to high-temperature treatment to synergistically realize the effects of high strength and high toughness of matrix fibers.

The invention relates to the technical field of high polymer materials, and particularly discloses an organic-inorganic composite ultraviolet absorbent, an anti-ultraviolet aging polyethylene plate and a preparation method and application thereof. Firstly, an inorganic ultraviolet absorbent rare earth cerate A2Ce2O7 (A = La, Gd or Y) is prepared by adopting a sol-gel method, and the inorganic ultraviolet absorbent rare earth cerate A2Ce2O7 has smaller forbidden bandwidth, can absorb light with shorter wavelength and has excellent ultraviolet absorption performance; secondly, the benzophenone compound is chemically modified by adopting organic amine hydrochloride, so that the stability of the benzophenone compound and the compatibility of the benzophenone compound and matrix resin are improved; and finally, the organic-inorganic composite ultraviolet absorbent is prepared through self-assembly, the rare earth cerate and the benzophenone hydrochloride generate a synergistic effect, so that the organic-inorganic composite ultraviolet absorbent has excellent absorption performance in an ultraviolet region, and the ultraviolet aging resistance of the organic resin can be remarkably improved by adding the organic-inorganic composite ultraviolet absorbent into the organic resin. The method plays a very important role in expanding the application field of organic resin.

The utility model discloses a kind of steel bridge deck pavement structures, belong to bridge engineering technical field.The structure includes metal plate, first bonding layer, concrete layer, polymer fiber web, second bonding layer, pitch layer, polymer fiber web is laid above concrete layer, and is connected with the storage tank being set in bridge deck one side, light stabilizer aqueous solution is stored in storage tank, polymer fiber web is adsorbed and evenly dispersed to entire pavement layer by capillary action.Light stabilizer is continuously supplemented, the anti-ultraviolet aging performance and service life of pavement material are significantly improved, especially suitable for high ultraviolet radiation area, with good engineering application prospect.

This invention relates to the field of cable technology and discloses a composite insulated weather-resistant wire. The composite insulated weather-resistant wire of this invention is composed of a conductor core, a first insulation layer, a heat dissipation buffer layer, a second insulation layer, and a polyvinyl chloride (PVC) sheath material. The PVC sheath material includes 100 parts by weight of PVC, 35-50 parts by weight of plasticizer, 3-12 parts by weight of cyanolignin, and 5-20 parts by weight of filler, etc. The cyanolignin contains a large number of phenolic hydroxyl groups, which can capture oxygen free radicals, hydroxyl free radicals, etc. generated by the photo-oxidation free radical chain reaction, thereby terminating the photo-oxidation process and exhibiting excellent UV resistance. At the same time, the lignin introduces cyano groups, which can absorb ultraviolet light energy, transition from the ground state to the excited state, and return to the ground state, releasing energy. It also has excellent ultraviolet absorption performance. Under the synergistic effect, the UV aging resistance of PVC is significantly improved.

The application relates to the technical field of waterproof materials, in particular to a PU water-based polyurethane weather-resistant waterproof material and a preparation method thereof, which contains the following raw materials in parts by weight: water-based polyurethane emulsion 60-85 parts, modified nano-silicon dioxide agent 3-10 parts, weather-resistant agent 2-8 parts, film-forming aid 2-6 parts, defoaming agent 0.3-1.5 parts, wet dispersing agent 0.5-2 parts, thickening agent 0.5-2 parts and water 5-15 parts. The mechanical property and water resistance of the waterproof material are remarkably improved by adding the modified nano-silicon dioxide agent; the surface of the nano-silicon dioxide is grafted and modified by a silane coupling agent KH-550, the dispersibility of the nano particles in the polyurethane matrix and the interface compatibility with the matrix are improved, the mechanical strength and crack resistance of the coating are further improved by taking carbon nanotubes as reinforcing fillers, and the hardness and wear resistance of the coating are improved by taking nano-aluminum oxide.

The invention provides a stainless steel foil surface waterproof roll and a preparation method and application thereof, and belongs to the technical field of waterproof materials. The stainless steel foil surface waterproof coiled material sequentially comprises a stainless steel foil, an epoxy modified bonding transition layer, a modified glass fiber base, modified asphalt and a high-molecular polymer film from top to bottom, and the modified glass fiber base is obtained by modifying the glass fiber base through an epoxy modified bonding agent. Through a multi-layer composite structure of the stainless steel foil, the epoxy modified bonding transition layer, the modified glass fiber base, the modified asphalt and the high-molecular polymer film, a chemically compatible and physically entangled reinforced interface is constructed, and the key problems that a traditional metal surface waterproof roll is weak in interlayer bonding and easy to peel off are cooperatively solved; the overall performance of the waterproof roll is remarkably improved.

The application discloses an intelligent platform type multifunctional drug dispersant, a preparation method and application. The intelligent platform type multifunctional drug dispersant comprises an adhesive dispersant aqueous solution and a solid drug. The adhesive dispersant solute in the adhesive dispersant aqueous solution is a core-shell structure composite material. The core body is biodegradable nanoparticles, and the shell body is a nanometer film formed by polymerization of amyloid aggregates. The intelligent platform type multifunctional drug dispersant has the following excellent performances: green raw materials and biodegradability, intelligent controlled release performance, excellent hydrophobic particle dispersion capacity, ultraviolet resistance and acid rain erosion resistance, super spreading and synergistic effect, and has a wide application field and other characteristics. The preparation method uses natural proteins and biomass nanomaterials as main construction units, and uses water as a solvent in the whole preparation process, and does not involve toxic organic solvents, so that the environmental protection performance is good, and the preparation method lays a foundation for large-scale production of the intelligent platform type multifunctional drug dispersant.