30results about How to "To achieve the modified effect" patented technology

The invention discloses a surface modification method for wool. In the surface modification method for the wool, wool bulk fibers or wool wool tops are used as wool products to be processed and the following steps are sequentially carried out: 1, the wool products to be processed are processed by adopting anatase TiO2 nano particle waterborne dispersing agent; 2, the wool products to be processed, which are obtained in the step 1, are irradiated for 1 to 25 hours by ultraviolet rays with the wavelength range of 250 to 400nm; 3, the wool products to be processed, which are obtained in the step 2, are washed for 20 to 60 minutes by aqueous solution of a surfactant, then are dehydrated and are washed for 2 to 4 times with clear water; and 4, drying the wool products to be processed, which are obtained in the step 3. After the method disclosed by the invention is adopted, a scale structure of the surface of the wool can be partly corroded and damaged or be totally stripped, so that the surface of the wool shows a smooth form.

The invention relates to a PVC air-blowing modified slipper and making method. The forming raw materials for shoe bottom are formulated with 100 portion of polyvinyl chloride granules, 65 to 75 portion of plasticizers, 0.3 to 0.5 portion of stabilizing agents, 0.3 to 0.4 portion of PVC special scorch retarders for air blowing, 0.35 to 0.45 portion of lubricants, 0.15 to 0.25 portion of PVC special dispersants for air-blowing slipper, 0.1 to 0.2 portion of antioxidants and 0 to 1.5 portion of toners. The forming raw materials are mixed uniformly after going through the working procedure of stirring the materials and are made into the peptized forming raw materials for shoe bottom under the conditions that the temperature ranges from 140 to 200 DEG C and the pressure ranges from 40 to 50MPa; the forming raw materials are injected into a die cavity under the conditions that the pressure ranges from 30 to 40MPa and the temperature ranges from 175 to 185 DEG C; after the die is locked, the air is blown into the peptized forming raw materials for shoe bottom and the pressure of the air ranges from 0.8 to 1.2MPa and the blowing time ranges from 2.0 to 3.0s; after the forming and demolding are carried out, the PVC air-blowing modified slipper is obtained. The invention has the advantages of being convenient for recycling the materials, environmental protection, slippage prevention, coldness resistance, abrasion resistance, lightness and convenience. The shoe bottom has good pliability and the shoe is uneasy to be aged.

The invention discloses a wool surface catalytic oxidation and modification method and aims to provide a method for enabling a squama structure part on the surface of wool to be damaged by corrosion or totally stripped and enabling the surface of the wool to be in a smooth form. The wool surface catalytic oxidation and modification method comprises the steps: adding iron-oxide nanoparticles in a dispersant solution to obtain an iron-oxide nanoparticle aqueous dispersion; treating a wool product to be treated by the iron-oxide nanoparticle aqueous dispersion, and enabling the iron-oxide nanoparticles to be uniformly adhered to the surface of the wool product to be treated; treating the obtained wool product to be treated by a solution prepared by H2O2, enabling the adhesion part or the periphery of the iron-oxide nanoparticles to generate location catalytic oxidation, corroding a squama structure on the surface of the wool, and enabling the surface of the wool to be modified; carrying out washing and dehydration by using an aqueous surfactant solution, washing by clean water, and drying. With the adoption of the wool surface catalytic oxidation and modification method, most of the squama structure on the surface of the wool is damaged by corrosion, and the method has the advantages of no AOX (Adsorbable organic chloride) emission and residue by adopting a chloride-free treating method.

The invention belongs to the technical field of thermal interface organic heat conduction materials. The invention relates to the technical field of silicone grease, in particular to high-performanceheat-conducting silicone grease and a preparation method thereof, the heat-conducting silicone grease is specifically composed of 8%-20% of matrix heat-conducting oil, 75%-91% of heat-conducting filler and 0.05%-5% of a modifier, wherein the heat-conducting filler is mainly graphene and aluminum oxide. According to the preparation method, modification of graphene is realized by adding graphene into an ethanol solution of a modifier and carrying out heating and stirring; the modification of aluminum oxide is completed by directly adding a modifier into matrix heat-conducting oil, uniformly heating and stirring the mixture for uniform dispersion, wherein the oleophylic group of the modifier is combined with the matrix oil; then adding the modifier into the matrix oil, adding the alumina powder, and heating and stirring the mixture to connect the hydrophilic group of the modifier to the surface of the powder, thereby implementing favorable dispersion of the powder particles in the matrixoil, enhancing the combination between the matrix oil and the particles, reducing the defects of the bonding interface and lowering the interface thermal resistance between the heat-conducting fillerparticles and the matrix.

The invention discloses a hexadecafluoro-1-octene modified polyperfluoro ethylene-propylene resin and a solution polymerization preparation method thereof. According to the solution polymerization preparation method, tetrafluoroethylene, hexafluoropropylene and hexadecafluoro-1-octene serve as copolymerizable monomers, wherein a molar fraction of the tetrafluoroethylene to hexafluoropropylene to hexadecafluoro-1-octene is (80-95):(4.9-15):(0.1-5). The preparation process comprises the following steps: adding a fluorine-containing solvent and copolymerizable monomers into a reactor at a certain temperature, raising the temperature to 20-60 DEG C, adding a perfluoro initiator to initiate a polymerization reaction under the pressure of 1.1-1.5MPa, supplementing the copolymerizable monomers in the reaction process, and finally preparing the modified polyperfluoro ethylene-propylene. The modified monomers are taken as polyperfluoro monomers, so that the prepared modified polyperfluoro ethylene-propylene resin is excellent in heat resistance, causes no aggregate dyeing phenomenon, can serve as a high-speed extrusion grade product and can be stably coated on a cable surface at a high speed of 300-500m/min.

The invention discloses environment-friendly rubber asphalt with a stable storage performance and a preparation method of the rubber asphalt. The rubber asphalt comprises the following components in parts by weight: 30-45 parts of rubber powder, 55-70 parts of road petroleum asphalt, 0-0.2 part of a modifier and 0.02-0.2 part of a stabilizer. The preparation process comprises the following steps that the rubber powder is mixed with the road petroleum asphalt to form a blending system; then the modifier is added, particles or filaments are distributed in an asphalt matrix along with the modifier, a loose net structure is formed and exists in the asphalt matrix, and a modification effect is achieved; finally, the stabilizer is added to be subjected to chemical reaction with alkane, olefin, aromatic hydrocarbon and polar and non-polar compounds in the asphalt to generate new chemical bond combination, so that the prepared asphalt product is more stable in property, and the storage stability of the asphalt product is improved. The preparation method disclosed by the invention is simple and convenient to operate, low in production cost and environment-friendly in production process, and the produced asphalt is stable in storage performance and not easy to separate and has high practical and economic values.

The invention discloses a vector processing technology and relates to the technical field of microbe vectors. The vector processing technology is used for solving the problem that vector hydrophilicity is relatively poor. The vector processing technology is characterized by comprising the following steps: establishing a vacuum treatment environment; carrying out vector surface modification; preparing modification base fluid; and carrying out vector surface coating. A vector reacts with oxygen gas through action of plasma, and a hydrophilic oxo group is formed on the surface of the vector, so that the hydrophilicity of the surface of the vector can be remarkably improved, the advantage that the hydrophilicity of the surface of the treated vector is relatively good is achieved, and the effect of modifying the surface of the vector is achieved. The surface hydrophilicity of the vector is directly improved through PVA attached to the surface of the vector. After treatment through a vectorsurface modification step, the vector can have a higher degree of combination with the modification base fluid, the modification base fluid is prevented from accidentally spalling from the surface ofthe vector, and thus, microbes connected to the modification base fluid can more stably grow on the surface of the vector.

The invention discloses a surface treatment method of a foaming material and relates to the technical field of surface treatment. An existing foaming material has the defect of poor hydrophilicity. The surface treatment method is technically characterized by comprising the steps: material feeding, wherein the foaming material is placedin a closed processing bin; plasma treatment, wherein the two sides of the foaming material are separately provided with an electrode, argon and oxygen are injected into the processing bin, alternating current with the working frequency of 10 MHz is introduced into the two electrodes, the alternating current electric power is greater than 150 W but does not exceed 5000 W, the argon and the oxygen obtain energy in an electric field generated by the two electrodes and form plasma, and the plasma moves with the change of the electric field and collides with the foaming material, so that chemical bonds of polymers on the surface of the foaming material breakand free radicals are formed; the free radicals react with oxygen to form hydrophilic oxygen-containing groups. The surface is uneven, the surface area is increased, the activity of the surface molecular groups can be enhanced, and the advantage of better surface hydrophilicity is achieved, so that the foaming material is convenient to use.

The invention relates to an auxiliary material for steel smelting, in particular to a flux capable of reducing oxidability of steel ladle top dross. The invention aims at providing the flux capable of reducing the oxidability of the steel ladle top dross. The flux mainly reduces sigma (FeO+MnO)% in the steel ladle top dross, raises a degree of purity of molten steel, and simultaneously solves the technical problem that the common modifier cannot achieve nitrogen adding. The flux adopts the technical scheme that the flux capable of reducing the oxidability of the steel ladle top dross comprises the following chemical constituents by weight percentage: 57-70% of CaO, 15-28% of Al2O3, 3.5-7% of Al, 6-10% of CaC2, 1.5-5% of MgO, less than 3% of SiO2, less than or equal to 0.01% of C, and less than or equal to 0.3% of water. Therefore, an appropriate amount of the modifier is added during steel tapping of a converter, average sigma (FeO+MnO)% is 1.4% when the steel exits an argon station, and a modification effect is achieved. In addition, 2ppm nitrogen is added during a test, so that the nitrogen adding test requirement is met.

The invention discloses a hexadecafluoro-1-octene modified polyperfluoro ethylene-propylene resin and an emulsion polymerization preparation method thereof. The method comprises the following steps: adding deionized water accounting for 50-70% of total volume into a reactor with a stirrer; replacing until oxygen content is qualified, adding an emulsifier or other aids, tetrafluoroethylene, hexafluoropropylene and hexadecafluoro-1-octene and other pre-added copolymerizable monomers; starting to stir and raising the temperature to 60-120 DEG C, controlling the reaction pressure to be 2-5MPa, adding an initiator, supplementing a certain amount of copolymerizable monomers so as to obtain polymer emulsion; and condensing, washing and drying the emulsion, thereby obtaining the modified polyperfluoro ethylene-propylene resin. According to the method disclosed by the invention, the hexadecafluoro-1-octene modified monomer serves as a perfluoro monomer, the prepared modified polyperfluoro ethylene-propylene resin is excellent in heat resistance, does not have an aggregate dyeing phenomenon, can serve as a high-speed extrusion grade product, and can be stably coated onto the cable surface at a high speed of 300-500m/min.

The invention discloses a high-weather-resistance waterproof exterior wall coating for buildings and a preparation method thereof, the coating comprises the following components: a fluorosilicone modified acrylic emulsion, an epoxy modified acrylic emulsion, fluorosilane, organic bentonite, silicon oxide, titanium dioxide and an auxiliary agent, and the auxiliary agent comprises a dispersant, a wetting agent, a thickener, a defoamer, a coalescing agent and an antifreezing agent. The preparation method comprises the following steps: uniformly mixing the organic bentonite, the silicon oxide andthe titanium dioxide, adding the fluorosilicone modified acrylic emulsion and the epoxy modified acrylic emulsion, uniformly mixing, adding the auxiliary agent, uniformly mixing, and finally adding the fluorosilane. According to the high-weather-resistance waterproof exterior wall coating for the building and the preparation method thereof, the waterproof performance is excellent, and the coatingis self-cleaning, washable and suitable for various external environments.