46 results about "High polymer" patented technology

The present invention can achieve the purpose of enhancing the strength and the anti-crack ability of a glass plate. The glass plate includes a transparent glass-based element and a high polymer plastic membrane. The high polymer plastic membrane is framed on at least one part of the peripheral side of the transparent glass-based element and performs a capillary action on at least one part in a liquid state and then to be combined tightly with the transparent glass-based element after being solidified.

The invention relates to a gold-core-composite nano-carrier as well as a preparation method and application thereof. According to the gold-core-composite nano-carrier, a silicon dioxide modified gold nanorod (Au@SiO2) is taken as an inner core and is coated with a layer of high polymer material sensitive to temperature and pH. The gold-core-composite nano-carrier can be used for coating various drug and probe molecules and transporting the drug and probe molecules to disease sites, and therefore, the targeted therapy is realized. After absorbing near-infrared laser, the gold-core-composite nano-carrier or a drug-loading nanoparticle can emit fluorescent light, and partial optical energy can be converted into heat to be applied to biological imaging, chemotherapy and thermal therapy; the gold-core-composite nano-carrier further has the pH-sensitive property and is capable of effectively releasing the drug molecules in a weakly acidic tumor microenvironment and cell lysosome; multiple tumor therapy functions of the gold-core-composite nano-carrier can be combined in use, so that the defects of a single tumor therapy method are overcome; the gold-core-composite nano-carrier is suitable for being applied to the complex tumor diagnosis and treatment.

The invention discloses a hyperbranched polyborosiloxane containing functional groups. The hyperbranched polyborosiloxane containing functional groups has the characteristics of hyperbranched topological structure, stable storage performance, controllable viscosity and the like, and has excellent compatibility with existing high polymer materials. The invention also discloses a preparation methodof the hyperbranched polyborosiloxane containing functional groups, and the preparation method has the advantages of wide monomer source, low cost, easy process control and important application valueand academic significance.

The invention is suitable for the technical field of high polymer materials and provides polyethylene terephthalate (PET)/liquid crystal polymer (LCP) engineering plastics as well as a preparation method and an application thereof. The PET/LCP engineering plastics comprise the following components in parts by weight: 30-50 parts of PET, 5-20 parts of LCP, 0.2-0.5 part of coupling agent, 30-40 parts of filler intensifier, 0.2-2 parts of nucleating agent, 0.2-0.4 part of antioxidant, 0.2-0.5 part of lubricating agent and 12-20 parts of flame retardant. For the PET/LCP engineering plastics, the LCP is used to modify the crystallization rate of the PET, thus the degree of crystallization of the PET is greatly improved so as to realize the obvious improvement for the performances of the PET/LCP engineering plastics. The preparation method of the PET/LCP engineering plastics has the advantages of low cost and high productivity effect, is simple in operation, and is suitable for industrial production.

The invention discloses a hydrophobic polymer film composite coating hydrophiling modification method which comprises the following steps: preparing a tannin solution with a certain concentration, adding a certain amount of silane coupling agent alcohol solution, stirring uniformly, and regulating the pH value of the mixed solution to alkalinity; sequentially soaking the polymer film in isopropanol, deionized water and the tannin-silane coupling agent solution; and after finishing the modification, taking out the film, flushing with deionized water many times, and storing in deionized water or in a dry environment at room temperature, thereby obtaining the hydrophiling-modified high-polymer film sample. The method greatly enhances the hydrophilicity and stability of the hydrophobic polymer film, has the advantages of simple modification technique and low cost, and has wide application range.

The invention provides a double-sided aluminum base circuit board with super-high thermal conductivity and a preparation method of the circuit board. The double-sided aluminum base circuit board comprises an aluminum base plate material, an electrical conductive hole formed on the aluminum base plate material for communicating the upper side and the lower side of the aluminum base plate material, an aluminum oxide layer formed on the upper and the lower sides of the aluminum base plate material and on the wall of the electrical conductive hole by oxidation method for insulation and heat conduction, and a DLC (diamond-like carbon) coating and a Cu coating adhered on the aluminum oxide layer. The double-sided aluminum base circuit board provided by the invention is excellent in comprehensive heat conducting property, and the surface insulation heat-conducting layer is free of high polymer materials and is excellent in flame retardant property and aging resistance. In addition, the insulation layer on the surface of the circuit board and the insulation layer on the wall surface of the electrical conductive hole are an integrated insulation heat-conducting body with the same composition and an integrated structure, thereby obviating the hole filling and the chemical copper deposition method, simplifying the process and improving the yield.

The invention discloses a conductive plastic for processing a power supply cover plate, and a fabrication method of the power supply cover plate. The conductive plastic comprises the following raw materials by weight percentage: 50-60% of high-polymer base material, 15-25% of conductive filler, 15-20% of fire retardant and 1-5% of flexibilizer. According to the conductive plastic for processing the power supply cover plate, and the fabrication method of the power supply cover plate, the fabricated power supply cover plate is 40-50% lighter than the traditional aluminum cover plate; the acid-base corrosiveness resistance is high; the resistivity is adjustable; the shielding effectiveness of various frequency bands can be adjusted by changing an additive amount of the conductive filler; forming is convenient; secondary processing is not required; and compared with the aluminum cover plate, the total cost is lowered remarkably.

The invention relates to a compound type sustained or controlled release nitrogen fertilizer special for crops Huang huai hai area, and a preparation method and applications of the compound type sustained or controlled release nitrogen fertilizer. The sustained or controlled release nitrogen fertilizer comprises the following raw materials by weight parts: 80-150 parts of urea coated by 5% of humic acid, 300-400 parts of sulphur coated urea, 350-450 parts of urea coated by 2% of high polymer added with sulphur, 50-120 parts of urea coated by 6% of thermosetting resin and 20-60 parts of urea coated by 5% of recovery thermosetting resin. The compound type sustained or controlled release nitrogen fertilizer is regular in nutrient releasing, is particularly suitable for the absorption of maincrops in different growth periods in the Huang huai hai area, meets the requirements of full-growth perid of great majority of crops, and does not need to apply again after being applied. The invention also provides the preparation method and an application method of the sustained or controlled release nitrogen fertilizer.

The invention discloses a preparation method of a heat-conducting, electricity-conducting and electromagnetic-shielding multifunctional composite material, and belongs to the field of preparation methods of multifunctional composite materials. According to the preparation method of the heat-conducting, electricity-conducting and electromagnetic-shielding multifunctional composite material, nanometer ferrite, graphene, copper powder, carbon black, nanometer silicon carbide and a high polymer material are added in a formula. By means of the preparation method of the heat-conducting, electricity-conducting and electromagnetic-shielding multifunctional composite material, the electromagnetic-shielding effect of the composite material can be improved, and the tensile strength, the compressive strength and other material performance of the composite material can be improved.

The invention relates to the technical field of polymer materials, and concretely relates to a high-rigidity and high-toughness resin material for clothing buttons. The resin material includes unsaturated polyester resin, styrene, acrylate, rigid toughened mother powder, polyamide wax, a pearlescent pigment, an ultraviolet absorber, a promoter, an initiator and an antioxidant, wherein the rigid toughened mother powder is a special high-hardness elastomer material; the ultraviolet absorber is one of an ultraviolet absorber UV-327, an ultraviolet absorber UV-P and an ultraviolet absorber UV-9; the promoter is cobalt isooctylate or cobalt naphthenate; the initiator is methyl ethyl ketone peroxide; and the antioxidant is an antioxidant 1076, an antioxidant 164 or an antioxidant TNP. The buttons made of the resin material have the advantages of high toughness, difficulty in fracture, good rigidity and outstanding impact resistance.

The invention relates to a plastic composite colorful kerb and a preparation method thereof and belongs to the technical field of kerb preparation. The colorful kerb is prepared from waste high polymer material, coal ash, glass fiber, cross-linking agent and toner at mass ratio of (100-120):(300-400):(30-50):(40-60):(0-20). The preparation method comprises the following steps: plasticating the waste high polymer material to molten state on an opening type mixing mill; adding coal ash, glass fiber, cross-linking agent and toner in turn, uniformly mixing and then drawing slices; cooling the slices to semi-hard state at 50-60 DEG C and putting into a granulator for chopping into grains; extruding plasticating raw materials by putting the grains into a hopper of an extruding machine and then putting into a mould; using a hydraulic machine for pressurizing, cooling and then de-molding products, thereby acquiring the colorful kerb. The colorful kerb prepared according to the invention is colorful. Toner additives and raw materials can be coordinated and blended according to the requirements of roadside green belts and construction landscapes, and the like, for the color of kerb.

The invention relates to the field of synthetic fibers for biological carriers and particularly relates to a preparation method of a polyester fiber with a rough surface. The polyester fiber comprises swelling agent master batches. The method is characterized by comprising the following steps of (1) drying fine particles of any one of sodium carbonate and sodium ortho phenyl phenol; (2) grinding the dried fine particles and processing to prepare the swelling agent master batches; (3) blending 5-20wt% of prepared swelling agent master batches and a polyester chip; (4) preparing an extruded fiber; and (5) hydrolyzing the prepared extruded fiber under the action of a cation surfactant at a high temperature of 90-100 DEG C and obtaining the polyester fiber with the rough surface. Compared with the prior art, a microbial material can be quickly fixed, and the polyester fiber has better biocompatibility; the removal effect of a biological membrane on the carrier surface on ammonia nitrogen in activated sludge is superior to that of an ordinary high polymer material; the polyester fiber with the rough surface is beneficial to promotion of growth of microorganisms in the activated sludge and improvement of the ammonia nitrogen removal rate.

The invention relates to the technical field of high polymer materials, in particular to an oil-resistant ABS modified material which comprises an ABS base material, an additive and an oil-resistant mixed base material, wherein the ABS base material comprises an ABS regenerated material and a PBT regenerated material; the additives comprise a compatilizer, a toughening agent and a grease; the oil-resistant mixed base material comprises MBS resin and a nano filler; wherein the dosages of the materials are shown in the specification: 5-8 parts by weight of the ABS regenerated material; 1-4 partsby weight of the PBT regenerated material; 2-4 parts by weight of the compatilizer, 2-3 parts by weight of the toughening agent; 1-2 parts by weight of MBS resin; 1-2 parts by weight of the nano filler; PBT and ABS are blended, so that the oil resistance of ABS can be improved; meanwhile, the selected PBT is more beneficial to the preparation of ABS/PBT alloy; the compatilizer is added into the ABS/PBT alloy, various properties of the alloy can be effectively improved, meanwhile, the alloy has excellent oil resistance, the flexibilizer is added into the ABS/PBT alloy, the low-temperature impact of the alloy can be more effectively improved, and the notch impact strength of the alloy reaches the highest due to addition of MBS.

The invention relates to a new method for preventing coal dust explosion under a coal mine shaft. The method is characterized in that a low-pressure spray gun or sprayer is used for spraying a polyvinyl alcohol aqueous solution at a concentration of 0.5% on a working face, a conveyor belt and the places on which the coal dust is deposited; as polyvinyl alcohol is a high polymer, the atomized polyvinyl alcohol can bond and absorb the coal dust particles and the particles quickly fall onto the ground, thus effectively reducing the concentration of the coal dust in the air; and the coal dust canbe hardened and lose explosibility even if the coal dust is air-dried again, thus effectively eliminating the coal dust in the air thoroughly and preventing the coal dust explosion accident under theshaft. The new method has the following beneficial effects: the cleaning method and the water sprinkling and flushing method can be no longer used and the rock dust is unnecessary to be distributed, thus saving the manpower, materials resources and financial resources; and the coal dust in the air under the shaft is eliminated so that the lower explosion limit of gas is forced to be improved, thus indirectly reducing the gas explosion accidents.

The invention relates to a method for continuously preparing oligomeric proanthocyanidins. The method comprises the following steps: (1) preparing a catalytic degradation solution; (2) catalytic degradation: loading the degradation solution on a polyamide chromatographic column, and collecting effluent I; (3) membrane separation: enabling the effluent to pass through a membrane, and respectively collecting trapped fluid and permeate; (4) enriching: loading the permeate on the column to macroporous adsorption resin until saturation, replacing macroporous adsorption resin with the same specification and type to continue loading on the column, circularly and alternately using more than two resins, driving and removing impurities by using water, then performing desorbing by using alcohol water, and respectively collecting and combining the eluate II on the column and the desorption solution; (5) recycling: combining the effluent II in the step (4) with the trapped fluid in the step (3), adding a raw material containing high polymer proanthocyanidins for dissolving, recycling dissolved material as a supplement of the degradation solution in the step (1), and continuing to add on the column according to the method in the step (2); and (6) concentrating and drying: concentrating and drying the desorption solution obtained in the step (4) to obtain an oligomeric proanthocyanidins product.

The invention relates to a sleeper processing technology, and aims at providing a preparation method of a low water absorption sleeper. The preparation method comprises the steps that a raw wood untreated sleeper is dried, and then put in a closed container; vacuumizing is carried out; after pressurization is carried out, a chemical reagent which is at least one of acid anhydride or esters permeates an outer layer and reacts with high polymers in cell walls of the raw wood untreated sleeper; and after the reaction, the sleeper is taken out and soaked in hot water, and then vacuum drying and drying are carried out. The saturated water absorption of the low water absorption sleeper by the preparation method is 10-50% that of the raw wood untreated sleeper, and the dimensional stability, corrosion resistance and mothproofing property of the sleeper are improved indirectly. Compared with an oil injection treatment technology, the preparation method is simple in technology, easy to realize, and relatively low in cost; the prepared low water absorption sleeper does not contain preservatives harmful to a human body; the surface of the low water absorption sleeper is clean and can not be polluted; and no oily substance is injected into the low water absorption sleeper, so that the fire danger is avoided. The low water absorption sleeper by the preparation method can act as a railway sleeper, a bridge sleeper, a turnout sleeper, and has other special applications.

The invention relates to a preparation method of high-polymer self-sealing hot melt adhesive powder for raising the safety level of an automobile tire. The high-polymer self-sealing hot melt adhesive powder is prepared from the following raw materials in percentage by weight: 42-62 percent of thermoplastic elastomer, 34-54 percent of tackifier, 3-8 parts of plasticizer, 0.5-1.5 percent of antioxidant, 0-1 percent of cross-linking agent, 0-15 parts of filling agent and 0-3 parts of curing agent. The raw materials are smashed, mixed, hot-molten and sprayed by adopting corresponding equipment, so that an ordinary automobile tire can work normally in the temperature of between 40 DEG C below zero and 120 DEG C and has the safety performance of bullet resistance, leakage resistance and pricking resistance. After mixing, a bagging step is carried out to obtain the high-polymer self-sealing hot melt adhesive powder product for raising the safety level of the automobile tire. The technical scheme provided by the invention has the advantages of small number of steps, easiness in operation and no need of performing any destructive processing on the inner wall of the automobile tire.

The invention provides a preparation method for a polyaniline-polyphenol oxidase sensor, relates to the technical field of biosensors, and directly prepares the polyaniline-polyphenol oxidase sensor by direct electrochemical polymerization. The method comprises a step of immobilizing polyphenol oxidase in aniline solution containing ionic liquid and a surfactant to form the polyaniline-polyphenol oxidase sensor. The method mixes the enzyme, a monomer and supporting electrolyte solution by a 'one-step method'' and realizes the immobilization of the enzyme while electrolyzing on an electrode to form a conducting high polymer membrane. The method of the invention has the advantages of high bio-compatibility, proper pore structure and the like, and can realize the effective immobilization of the polyphenol oxidase. The polyaniline-polyphenol oxidase sensor prepared by the method has the advantages of high electrochemical activity even at a high pH, quick response to a substrate, high sensitivity, relatively wide linear range, and high repeatability and stability. The sensor can monitor phenolic compounds.

The invention relates to a silk fibroin-PLGA composite material having ordered micro-groove structures, and preparation method and application thereof. The preparation method comprises the steps of extracting the silk fibroin and preparing the SF-PLGA composite micro-groove structures. In the method, silk fibroin extracted from self-cultured silkworm cocoons and artificially synthesized PLGA are used as substrates to prepare a polymer mixture solution; and then via solution casting/template etching technologies, the natural-synthetic high-molecular composite membrane material having the micro-groove structures is prepared. According to the method, the composite membrane materials containing different components can be produced by changing the types and ratios of monomers of the PLGA copolymer and usage ratio of the silk fibroin to the PLGA; by adjusting parameters, such as width, depth and intervals of grooves in a template, micro-groove structures having different appearances are formed. The material has good bioavailability, cell responsiveness and mechanical property, is highly-controllable in degradation behavior, has simple preparation method, and can satisfy demands in biomedical applications.

The invention relates to an ultraviolet-resistant polychromatic fiber. The polychromatic fiber at least comprises a photochromic fiber. In the technical scheme, a polymethyl methacrylate modified photochromic agent is added in a polymer filer, the distribution uniformity of a photochromic material in the polymer fiber is realized due to the coating of polymethyl methacrylate, and the photochromicagent not only comprises an inorganic reversible photochromic agent, but also comprises an organic photochromic agent, so that the good ultraviolet photochromic property is achieved, and the protective performance of the fiber to ultraviolet rays is improved. The fiber can have a relatively good ultraviolet-resistant function if being applied to a textile fabric and has a relatively good protecting effect for damage caused by the ultraviolet rays if being applied to the field of environment friendliness; and on the other hand, if the fiber is applied to the field of solar energy, the utilization ratio of the solar energy can be increased, and the utilization ratio of the solar energy can be adjusted.

The invention discloses a functional accessory ingredient for plastic processing and a preparation method thereof. Each raw constituent of the functional accessory ingredient is prepared in parts by weight: 90-100 parts of light calcium carbonate powder, 3-5 parts of calcined Zeolite powder, 2-2 parts of attapulgite, 1-2 parts of straw ashes, 3-5 parts of zinc oxide, 3-5 parts of gas-phase silica, 1-2 parts of methacrylate polymer, 1-2 parts of polyethylene wax, 1-2 parts of sodium alkyl benzene sulfonate and 1-2 parts of glycerol. The preparation method comprises the following steps: continuously oven-drying light calcium carbonate until the water content is below 0.3 % and putting the calcium carbonate into a high-speed kneading machine, then adding other ingredients by weight percentage, and then heating the mixture to 100-130 DEG C, and stirring under heat insulation for 8-10 min, and discharging the materials to obtain the finished products. The functional accessory ingredient for plastic processing provided by the invention reduces the surface energy among the particles and enhances the compatibility and the dispersity; the invention also promotes the plastication of high polymer material, reduces melt viscosity, improves processing flowability, improves impact strength, rigidity, heat resistance and size stability, and has the features of energy conservation, environmental friendliness, no poison and no waste water, no waste gas and no waste residues.

A portable reinforced utility pole, comprising a metal tube located in the center, the inside of the metal tube is coated with anti-rust paint, and several steel bar structures parallel to it are evenly distributed on the outside of the metal tube, and the outside of the steel bar structure is Binding steel wires are wound, and the metal pipe, the steel structure and the binding steel wire are connected by welding, and the outer part of the metal pipe is wrapped with a resin layer, and the resin layer completely wraps the steel structure and the binding steel wire, and the resin The outside of the layer is sequentially wrapped with an aramid yarn braiding layer, an anti-corrosion layer made of polymer materials, and a low-smoke, halogen-free, flame-retardant polyolefin outer sheath layer. The invention overcomes the deficiencies of the prior art and solves the problem of poor mechanical properties of the existing composite utility poles. Compared with the pole, it is relatively light, which greatly reduces the difficulty of construction and transportation.

The invention discloses a scratch-resistant polypropylene material and a preparation method thereof, and relates to the technical field of high polymer materials. The polypropylene composite materialcomprises the following components in parts by weight: 60-75 parts of polypropylene, 20-35 parts of modified chitosan fibers, 10-15 parts of an ore filler, 1-2 parts of a silane coupling agent, 0.5-1part of a lubricant and 3-5 parts of a compatilizer, and the ore filler is formed by mixing diatomite, quartz and calcium carbonate in a weight ratio of 3: 3: 2; the preparation method comprises the following steps: weighing the materials according to the specification, uniformly mixing, adding the obtained mixture into a screw extruder, carrying out melt extrusion, cooling with cooling water after extrusion, and carrying out shearing granulation to obtain the scratch-resistant polypropylene material. The polypropylene prepared in the invention has good scratch resistance.

The invention belongs to the technical field of polymer synthesis, and particularly relates to a method for controlling the viscosity of a molybdenum-based catalytic butadiene polymerization system. The preparation method comprises the following steps: under the protection of nitrogen, adding a structure modifier into a mixture of butadiene and solvent oil, and carrying out a coordination polymerization reaction on the butadiene at 30-90 DEG C by adopting a molybdenum-based catalytic system to synthesize a polymer glue solution with Mooney viscosity and dynamic viscosity of 1-10*10<4> mPa.s, wherein the molybdenum-based catalytic system is composed of a main catalyst molybdenum compound, a cocatalyst aluminum alkyl compound and a ligand. According to the invention, the number-average molecular weight of the high polymer obtained by polymerization is 10<4>-10<5>, the viscosity of the glue solution is 1-10*10<4> mPa.S, the Mooney viscosity ML1+4<100> is 40 to 60, the content of the 1,2 structures is greater than or equal to 75%, the gel content is not higher than 1% of the butadiene polymerization product, the molecular weight distribution is wide, the viscosity is controllable, theconveying performance is good, and the product can be used for tire materials.