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 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 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.

The invention provides an epoxy coating and a preparation method and a using method thereof. The coating is formed by mixing a component A and a component B according to the proportion, wherein the component A comprises a fluoroacrylate copolymer, epoxy color paint and a mixed solvent 1; and the component B comprises a curing agent and a mixed solvent 2. The epoxy coating is prepared by the following steps: (1) adding the fluoroacrylate copolymer and the epoxy color paint into a reactor 1 according to the proportion, and adding the mixed solvent into the reactor 1 to obtain the component A; (2) adding the curing agent into a reactor 2 according to the proportion, and adding the mixed solvent into the reactor 2 to obtain the component B; and (3) mixing the component A and the component B evenly to finally obtain the modified epoxy coating. The epoxy coating ensures good compatibility of fluorine-containing copolymer and the epoxy coating and endows an epoxy coating with extremely low surface energy, thereby ensuring that an contact angle of the modified epoxy coating with water reaches around 140 degrees; and the application fields of the epoxy coating are greatly enlarged, the service life of the epoxy coating is prolonged, and the epoxy coating has quite good industrial application value.

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 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 a preparation method of a PET / magnetic Fe3O4 functional nanocomposite material. The preparation method is as below: first preparing magnetic Fe3O4 nanoparticles by a co-precipitation method; and then conducting surface modification on magnetic Fe3O4 nanoparticles with KH550, so that the surface of Fe3O4 magnetic nanoparticles are grafted with active functional groups and that modified Fe3O4 magnetic nanoparticles can organically bind with PET molecular chains. Addition of modified Fe3O4 magnetic nanoparticles with different proportion in an esterification process of PET esterification polycondensation and adjustment of the addition amount of the modified Fe3O4 magnetic nanoparticles can obtain uniformly dispersed PET / magnetic Fe3O4 functional nanocomposite material with good reinforcement, toughening and electromagnetic shielding effects. A film prepared from the modified PET / magnetic Fe3O4 functional nanocomposite material has magnetic shielding effectiveness reaching a highest value -52 dB and an average value about -32 dB.

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 relates to a polyamide modified phenol formaldehyde amine epoxy resin synthesis method, which specifically comprises: 1, taking 5-40 parts by mass of polyethylene polyamine, 100 parts by mass of dimer acid, and 5-10 parts by mass of a platinum coordination compound, carrying out a reaction for 3-8 h in an environment with a temperature of 120-180 DEG C, and dewatering to obtain an intermediate used in the next step; 2, taking 80-150 parts by mass of the intermediate obtained in the step 1, 100-300 parts by mass of cardanol, 10-60 parts by mass of formaldehyde, and 1-10 parts by mass of an auxiliary agent, and carrying out a reaction for 3-5 h in an environment with a temperature of 60-120 DEG C; and 3, dewatering the product obtained in the step 2, and adding an auxiliary agent so as to obtain the target product.

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 deformation adjustable concrete member includes one main concrete structure body and one carbon fiber reinforced mortar block with electrodes set in the ends embedded inside the main concrete structure body. The carbon fiber reinforced mortar block may be heated electrically to expand, so as to regulate the deformation of the concrete member, eliminate deformation of the concrete member caused by creep strain, fatigue and environment temperature change, maintain or even raise the bearing capacity of the concrete member. The present invention is especially suitable for concrete member with strict requirement in deformation, such as wide span pre-stressed concrete beam, magnetic suspension track beam, etc. the present invention has the advantages of high compatibility, low cost, long service life, simple operation, etc.

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 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 flame-retardant TPU film and a preparation technology thereof. The flame-retardant TPU film is prepared from the following raw materials in parts by weight: 40 to 50 parts ofTPU particles, 10 to 15 parts of a flame retardant, 5 to 10 parts of flame-retardant filler, 5 to 10 parts of a heat stabilizer, 5 to 10 parts of aluminum hydroxide, 2 to 5 parts of a lubricant and 2to 5 parts of a plasticizer. According to the flame-retardant TPU film disclosed by the invention, the flame retardant with excellent performance is newly synthesized, and a synthesizing method is simple; meanwhile, according to the flame-retardant TPU film disclosed by the invention, the aluminum hydroxide is modified, and physical mechanical property and resin affinity of the aluminum hydroxideare enhanced.

The invention relates to the field of quantum dot diaphragms, and particularly to quantum dot loaded conjugated microporous polymers and a preparation method thereof, a quantum dot diaphragm and a liquid crystal display module, aiming to solve the problem that quantum dots are easy to reunite. Quantum dots are adsorbed to surfaces of conjugated microporous polymers. The quantum dot loaded conjugated microporous polymers have good compatibility with organic polymer glue system, solves the problem about reuniting of quantum dots, and reduces usage of quantum dots. The quantum dot diaphragm has excellent optical performance. The preparation method of the quantum dot loaded conjugated microporous polymers is simple, high in controllability and low in cost, and can be used for fast realizationof large-scale production and customized fining application.

The invention provides high-temperature-resistant silicone rubber. The high-temperature-resistant silicone rubber is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber, 20 to 50 parts of white carbon black, 1 to 10 parts of hydroxyl silicone oil, 1 to 15 parts of a heat-resistant additive and 1 to 6 parts of dicumyl peroxide. The invention discloses the heat-resistant additive in a high-temperature-resistant silicone rubber raw material. According to the present invention, the residual mass of the silicone rubber at the high temperature canbe significantly improved, the initial degradation temperature can be increased, the disadvantage of poor compatibility between the commonly-used heat-resistant additive and the silicone rubber can beovercome, and the original mechanical property of the silicone rubber can be improved, such that the silicone rubber has characteristics of good heat resistance and excellent mechanical property.

The invention belongs to the technical field of tire manufacturing, and particularly relates to composite polyurethane tread rubber and a preparation method thereof. The composite polyurethane tread rubber is obtained through mixing of the following raw materials of mixing type polyurethane rubber, traditional rubber, unsaturated carboxylic acid, metallic oxide, superoxide, an assistant crosslinker and a plasticizer. The composite polyurethane tread rubber provided by the invention can effectively solve the technical defects that the mechanical strength and the anti-fatigue strength in a traditional polyurethane tire technique can sharply decline along with a high temperature and high speed driving condition, a carcass is prone to occurring deformation or tire bursting, a binding part is liable to fall off, the curing speeds of polyurethane and traditional rubber are not matched in a sulfur vulcanization system, and thus undervulcanization and incompatibility exist when two rubber areused simultaneously.

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 rat-proof termite-proof condensation-proof foam material and a preparation method and application thereof. The preparation method comprises the following steps: preparing anorganic / inorganic polymer composite emulsion; mixing a silane coupling agent with a rat repellent, and adding polyisocyanate, aliphatic carboxylic acid and hydroxymethyl melamine to obtain a first mixture; adding polyisocyanate and a catalyst into polymer polyol, then adding the first mixture, finally adding an organic matter foaming agent and a foam stabilizer, and carrying out uniform mixing toprepare a polyurethane prepolymer; and mixing the organic / inorganic polymer composite emulsion and the polyurethane prepolymer to prepare a component A, mixing cement, styrene resin, paraffin and water to prepare a component B, mixing the component A and the component B, carrying out quick stirring, and performing curing at room temperature to obtain the rat-proof termite-proof condensation-prooffoam material. The rat-proof termite-proof condensation-proof foam material prepared by using the method has excellent condensation-proof, rat-proof and termite-proof effects.

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 a SiC whisker reinforced corundum breathable refractory material and a preparation method thereof. According to the technical scheme, 15-20 wt% of modified spherical porous corundum particles I, 31-39 wt% of modified spherical porous corundum particles II and 17-25 wt% of modified spherical porous corundum particles III are used as aggregates, and 2-4 wt% of magnesia fine powder, 10-22 wt% of corundum fine powder, 3-6 wt% of [alpha]-Al2O3 fine powder and 2-5 wt% of monatomic silicon powder are used as matrixes; the preparation method comprises the following steps: uniformly mixing the aggregate in a stirrer, adding sulfurous acid paper pulp waste liquid accounting for 3-7wt% of the sum of the aggregate and the matrix, uniformly mixing, adding the matrix, stirring, forming, drying, heating to 1300-1500 DEG C under a carbon burying condition, preserving heat, and cooling to obtain the SiC whisker reinforced corundum breathable refractory material. The prepared product is uniform in ventilation, high in strength, long in service life, excellent in thermal shock resistance and high in molten steel inclusion removal efficiency.

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 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.