39results about How to "Overcome the disadvantages of poor compatibility" patented technology

The invention provides a phosphorus / silicon-containing reactive high-molecular flame retardant, and a preparation method and application thereof, relating to flame retardants. The preparation method comprises the following steps: reacting methacryloyl chloride and p-phenylenediamine in the presence of a solvent and an acid-binding agent, carrying out vacuum filtration to remove the acid-binding agent salt generated by the reaction, and purifying the crude product by water washing, rotary evaporation and drying to obtain 4-methacrylamidoaniline; reacting hydroxyethyl methacrylate and 9,10-dihydro-9-oxa-10-phosphaphenanthryl-10-oxide in the presence of carbon tetrachloride, a solvent and an acid-binding agent, carrying out vacuum filtration to remove the acid-binding agent salt generated by the reaction, and purifying the crude product by water washing, rotary evaporation and drying to obtain a phosphorus-containing monomer; and carrying out free-radical polymerization on the 4-methacrylamidoaniline, phosphorus-containing monomer and methylacryloyloxypropyl heptaisobutyl POSS (polyhedral oligomeric silsesquioxane) under the initiation conditions of a solvent and an initiator to obtain the phosphorus / silicon-containing reactive high-molecular flame retardant. The phosphorus / silicon-containing reactive high-molecular flame retardant can be used for preparing a flame-retardant epoxy resin.

The invention relates to an epoxy / SiO2 nano composite coating and a preparation method and a use method thereof. The coating is formed by mixing an A composition and a B composition, wherein the A composition comprises a fluoroacylate copolymer, nano SiO2, epoxy resin and a mixed solvent 1, and the B composition comprises a curing agent and a mixed solvent 2. The preparation method comprises the following steps: (1) adding fluoroacylate copolymer, the nano SiO2 and the epoxy resin into a reactor 1 in turn according to the material ratio, and adding the mixed solvent 1 into the reactor for stirring to obtain the A composition; (2) adding the curing agent into a reactor 2, and adding the mixed solvent 2 into the reactor for stirring to obtain the B composition; and (3) uniformly mixing the A composition and the B composition, and finally obtaining the modified epoxy coating. The composite coating guarantees that the structured epoxy coating has a microcosmic coarse structure, makes a contact angle of the epoxy coating with water reach approximately 140 DEG, prolongs the service life of the epoxy coating, and has good industrial application value.

The invention provides pentane type composite polyether, which comprises the following components: polyether polyol 8210H, polyether polyol SA460, foam stabilizer, polyurethane synthesis catalyst, pentane foaming agent and water. In the pentane type composite polyether, pentane is used as the foaming agent; the pentane foaming agent has the advantages of low GWP value and zero ODP value and completely conforms to the environmental protection requirements for replacing HCFC-141B in the industry of a solar water heater, while the cost is low. The composite polyether overcomes the shortcoming of low compatibility between pentane and polyether and has high compatibility with pentane, high flow property and good foaming effect; and the viscosity of the composite polyether is suitable for the production technology of the solar water heater. The composite polymer has obvious advantages on application in the industry of solar water heater. The rigid polyurethane foam prepared by the action between the composite polymer and isocyanate has high heat conductivity and size stability.

The invention discloses a preparation method for a high anti-tracking halogen-free flame-retardant glass-cloth laminate, comprising the following steps of: (1) preparing raw materials: composition of a halogen-free flame-retardant resin system: used in solventless weight, 50-75 parts of melamine formaldehyde resin, 25-50 parts of prolamine bisphenol A epoxy resin, 60-100 parts of solvent and 0-40 parts of filler; (2) preparing the halogen-free flame-retardant resin system, which comprises: preparing melamine formaldehyde resin and preparing the prolamine bisphenol A epoxy resin; and (3) performing preparing, superimposing and pressing based on the halogen-free flame-retardant resin system. The high anti-tracking halogen-free flame-retardant glass-cloth laminate provided by the invention have the property of halogen-free flame-retardant that is environmentally friendly and has good anti-tracking property and arc resistance.

The invention discloses a two-component polymer cement-based nano waterproof coating and a preparation method thereof. The two-component polymer cement-based nano waterproof coating is prepared from aliquid material and a powder material; the liquid material comprises, by weight, 75-90 parts of acrylic emulsion, 5-15 parts of an inorganic nano liquid, 0.5-1.5 parts of a coalescing agent and 0.1-0.7 part of a defoaming agent; the powder material is prepared from 35 to 50 parts of cement, 0.1 to 0.7 part of a water reducing agent, 10 to 15 parts of hydrotalcite, 0.2 to 1 part of sepiolite and 35 to 50 parts of quartz sand. The two-component polymer cement-based nano waterproof coating possesses both the advantages of organic materials such as high flexibility and cracking resistance and theadvantages of inorganic materials such as excellent durability; the defect of poor compatibility between the existing JS waterproof paint and base materials is avoided; the advantages of high weatherresistance, high bonding strength and high flexibility are achieved. The two-component polymer cement-based nano waterproof coating contains a flexible network of an organic polymer material and a gel network of a novel inorganic nano material, so that the characteristics of inorganic materials such as strong ageing resistance and high strength, and the characteristics of organic materials such as excellent stretching resistance, crack resistance, shrinkage resistance and excellent construction brushing property are achieved, and multifunctional integration of rigidity and flexibility is realized.

The invention provides a hydrophobic olephobic epoxy paint and its preparation and application method. The paint is prepared by mixing the following raw materials according to the mass ratio of epoxy paint for color coding: fluorine-silicon copolymer: a mixed solvent: nanometer silica: a curing agent = 1.0 : 0.005-0.12 : 0.5-3.0 : 0-0.30 : 0.01-0.25. An epoxy coating formed by the paint has a microscopic rough structure, overcomes the disadvantage of poor compatibility of an epoxy paint modified by a fluorine-silicon material, and has a water contact angle of 149 degrees and an oil contact angle of 101 degrees, being an epoxy coating with strong hydrophobicity and olephobicity.

The invention belongs to the technical field of textile softeners, and particularly relates to a high-stability phenol-yellowing-resistant silicone oil softener and a preparation method thereof. The high-stability phenol-yellowing-resistant silicone oil softening agent is prepared from the following components in parts by mass: 5 to 40 parts of silicone oil, 2 to 20 parts of an emulsifier, 0.2 to 1 part of a co-emulsifier, 2 to 15 parts of a solvent, 0.5 to 5 parts of a phenol-yellowing-resistant agent and 15 to 120 parts of deionized water. The softening agent provided by the invention overcomes the difficulties of serious phenolic yellowing of high-amine-value silicone oil and poor compatibility of an anti-phenolic yellowing agent and the softening agent by preferably selecting reasonable raw materials, has excellent phenolic yellowing resistance and soft hand feeling, also has good acid resistance, alkali resistance, roll sticking resistance, shear resistance, centrifugation, compounding stability and other stability, and is suitable for industrial production. And industrial use requirements and export requirements are met.

The invention discloses a preparing method for repetitive-gradient porous titanium alloy for promoting sacralization. The repetitive-gradient porous titanium alloy takes titanium alloy powders as raw materials, and repetitive-gradient porous titanium alloy bar materials are prepared by 3D printing; elasticity modulus of the gradient porous titanium alloy is at 0.53-13.2 GPa, and the compression and flexion-extension strength is changed at 22-356 Mpa, and the elasticity modulus of the gradient porous titanium alloy is matched with the elasticity modulus of natural bones. The preparing method for the repetitive-gradient porous titanium alloy for promoting sacralization comprises the following steps that hydroxyapatite (HA) coating with bioactivity is constructed on the surface of the repetitive-gradient porous titanium alloy through a plasma spraying technique; and the growth factor (VEGF) is fixed to surfaces of materials by utilizing dopamine as an intermediate medium. The porous titanium alloy materials prepared through the preparing method is loaded with the growth factor and the HA and has the characteristics that histocompatibility is high, and migration and growth of osteocyte can be promoted; and according to the repetitive-gradient porous structure, the fusion strength of bones is increased, and pullout force is increased.

The invention discloses 3D printing ceramic nano powder which comprises the following raw materials: a sodium silicate solution, a photo-thermal initiator and a mixed solution of trimethylolpropane triacrylate and acrylic acid, wherein the mass concentration of the sodium silicate solution is 1-50%; the mass of the photo-thermal initiator accounts for 0.3-5% of the mass of the sodium silicate solution; and the mass content of the trimethylolpropane triacrylate in the mixed solution of the trimethylolpropane triacrylate and the acrylic acid is 16-50%. The invention furthermore provides a methodfor preparing the 3D printing ceramic nano powder. The 3D printing ceramic nano powder disclosed by the invention overcomes the defect that inorganic particles are poor in compatibility with a polymer organism, has a light reaction property and is applicable to photo-curing 3D printing, and the 3D printing ceramic nano powder prepared by using the method is stable in property, good in mechanicalproperty and low in curing shrinkage rate.

The invention relates to the field of quantum dots and diffusion membranes and particularly relates to a fluorenyl-based conjugated microporous polymer diffusion particle for complexing quantum dots,a preparation method thereof, a quantum dot diffusion membrane and an application thereof. In order to solve the problem that inorganic quantum dots are exposed to air and can be easily oxidized to lose effects. The invention provides the fluorenyl-based conjugated microporous polymer diffusion particle for complexing quantum dots, the preparation method thereof, the quantum dot diffusion membraneand the application thereof. The fluorenyl-based conjugated microporous polymer is complexed with the quantum dot and the quantum dot is wrapped by the diffusion particle. Through complexing of the organic fluorene material and wrapping of the inorganic quantum dot, it is avoided that the inorganic quantum dot is exposed to air and can be easily oxidized to lose effects. The preparation method ofthe diffusion particle is simple, has strong controllability, is low in coat and fast realizes large-scale production and custom-level refinement application.

The invention relates to a quantum dot film, and in particular relates to quantum dot wrapping carbazole-based conjugated microporous polymer microspheres, a preparation method of the microspheres, aquantum dot film and an application of the quantum dot film. In order to solve the problem of low purity of blue light and low utilization efficiency of the blue light in the current use of quantum dots, and in order to solve the problems of low transmittance and poor stability of a current quantum dot film, the invention provides the quantum dot wrapping carbazole-based conjugated microporous polymer microspheres, the preparation method of the microspheres, the quantum dot film and the application of the quantum dot film. The quantum dots are distributed into a carbazole-based conjugated microporous polymer microsphere. The quantum dot wrapping carbazole-based conjugated microporous polymer microspheres provided by the invention can effectively solve the problem of low utilization efficiency of the blue light by the quantum dots, improves the purity of the blue light, and can avoid the quantum dots from being oxidized by oxygen and water vapor in air; and the quantum dot film providedby the invention has excellent optical properties.

The invention discloses a preparation method of a phosphorus-containing flame-retardant organic-inorganic hybrid silsesquioxane / epoxy resin hybrid material, which comprises the following steps: in the presence of a solvent and an initiator, carrying out free-radical polymerization on glycidyl methacrylate, phosphorus-containing monomer and acryloyloxypropyl heptaisobutyl POSS (polyhedral oligomeric silsesquioxane) to obtain a phosphorus-containing POSS-base compound, uniformly mixing an epoxy resin and the phosphorus-containing POSS-base compound at certain temperature, adding a curing agent, evenly mixing, pouring into a mold, and removing bubbles in vacuum; and finally, curing, and demolding to obtain the phosphorus-containing flame-retardant organic-inorganic hybrid silsesquioxane / epoxy resin hybrid material. The phosphorus-containing flame-retardant POSS / epoxy resin hybrid material is free of halogen, has the advantages of no toxic or side effect, simple technique, favorable flame retardancy, low manufacturing cost and high transparency, and can be widely used in the fields of manufacturing of optical components, LED (light-emitting diode) packaging and the like.

A phosphorus-containing silicon reactive macromolecular flame retardant and its preparation method and application relate to flame retardants. React methacryloyl chloride and p-phenylenediamine under the conditions of a solvent and an acid-binding agent, remove the acid-binding agent salt produced by the reaction by suction filtration under reduced pressure, and purify the crude product by washing with water, rotary evaporation and drying to obtain 4- Methacrylamidoaniline; hydroxyethyl methacrylate and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide in carbon tetrachloride, solvent and acid-binding agent Under reduced pressure, the acid-binding agent salt produced by the reaction was removed by suction filtration under reduced pressure, and the crude product was purified by water washing, rotary evaporation and drying to obtain a phosphorus-containing monomer; Amidoaniline, phosphorus-containing monomers and methacryloxypropyl heptaisobutyl POSS are prepared by radical polymerization to obtain phosphorus-containing silicon reactive macromolecule flame retardants. It can be used in the preparation of flame retardant epoxy resin.

The invention discloses a deformation-adjustable concrete component, which comprises a main body of a concrete structure, a carbon fiber reinforced mortar block is embedded in the main body, and two electrodes are arranged at both ends of the carbon fiber reinforced mortar block. Utilizing the electrothermal effect of the carbon fiber reinforced mortar block embedded in the concrete component, the carbon fiber reinforced mortar block heats up and expands after being energized to realize the deformation adjustment of the concrete component, which can restore the concrete deformation caused by creep, fatigue and ambient temperature, and maintain or even improve The bearing capacity of concrete structures. The invention is particularly suitable for structures with higher requirements on the deformation of concrete components, such as large-span prestressed concrete beams, magnetic levitation track beams, and the like. It has the advantages of good compatibility, low cost, long life, simple operation, and improved bearing capacity, and can be widely used in concrete structures in civil engineering, transportation, construction and other fields. The invention also discloses a preparation method of the deformation-adjustable concrete member at the same time.

The invention provides pentane type composite polyether, which comprises the following components: polyether polyol 8210H, polyether polyol SA460, foam stabilizer, polyurethane synthesis catalyst, pentane foaming agent and water. In the pentane type composite polyether, pentane is used as the foaming agent; the pentane foaming agent has the advantages of low GWP value and zero ODP value and completely conforms to the environmental protection requirements for replacing HCFC-141B in the industry of a solar water heater, while the cost is low. The composite polyether overcomes the shortcoming oflow compatibility between pentane and polyether and has high compatibility with pentane, high flow property and good foaming effect; and the viscosity of the composite polyether is suitable for the production technology of the solar water heater. The composite polymer has obvious advantages on application in the industry of solar water heater. The rigid polyurethane foam prepared by the action between the composite polymer and isocyanate has high heat conductivity and size stability.