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1540results about How to "Strong adhesion" patented technology

Nano oil-displacing agent for oil extraction in oil field and preparation method of nano oil-displacing agent

The invention relates to the technical field of oilfield exploitation, and discloses a nanometer oil-displacing agent for oilfield oil extraction and a preparation method thereof.The nanometer oil-displacing agent takes modified nanometer silicon dioxide and a surfactant as main components, polymer macromolecules are modified on the surface of the nanometer silicon dioxide to serve as a main body of the nanometer oil-displacing agent, and the nanometer oil-displacing agent is prepared. Under the action of the surfactant, the nano silicon dioxide can flow into the fine throat and the micro throat, and the polymer macromolecules of the branched structure can generate a relatively strong interaction force with the rock, so that the polymer macromolecules are firmly adhered to the surface of the rock, the adhesion of crude oil on the surface of the rock is reduced, a smooth crude oil channel is constructed, and the flowing pressure of liquid is reduced; and crude oil fluidity is improved. The structure of the cross-linking agent contains quaternary ammonium cations, so that the electrostatic repulsion effect between nano silicon dioxide can be greatly enhanced, aggregation between nano silicon dioxide and nano silicon dioxide can be avoided, the interfacial tension can be efficiently maintained, the oil-water interfacial tension is greatly reduced, and the recovery rate of crude oil is effectively increased.
Owner:KELAMAYI XINJU IND & TRADE CO LTD

High-performance photocatalytic metal organic framework antibacterial material as well as preparation method and application thereof

The invention belongs to the technical field of metal organic frameworks, and particularly relates to a high-performance photocatalytic metal organic framework antibacterial material as well as a preparation method and application thereof. The preparation method comprises the following steps of: growing a metal organic framework UiO 66 which takes a cerium element as a metal node on a single-layer graphene oxide UiO66 (at) GO in situ, loading arginine small molecules in the MOF framework to obtain a high-performance photocatalytic MOF antibacterial material UiO66 (at) GO (at) arg, forming a nano hydrogel with a stable three-dimensional structure with chitosan, and performing antibacterial treatment by using the nano hydrogel as a wound dressing. The Ce-based MOF composite QCS / GO-UiO 66-coated arg / PNIPAm hydrogel prepared by the preparation method disclosed by the invention has excellent properties such as elasticity, adhesive power, water absorption and biocompatibility; and under illumination, the photocatalyst has an excellent photocatalytic sterilization effect, and has a good killing effect on escherichia coli and staphylococcus aureus.
Owner:GUANGZHOU MEDICAL UNIV

Glass fiber reinforced nylon composite material and preparation method thereof

The invention provides a glass fiber reinforced nylon composite material and a preparation method thereof, and belongs to the technical field of high polymer materials, the glass fiber reinforced nylon composite material comprises the following components by weight: 75-82 parts of nylon 6, 14-16 parts of modified glass fiber, 2-3 parts of polyethylene glycol, 0.4-0.7 part of an antioxidant, 0.6-1 part of a lubricant and 0.6-1 part of an antistatic agent; the modified glass fibers are prepared by treating glass fibers with a silane coupling agent and then treating the glass fibers with a dopamine-boron nitride surface modifier. The excellent tensile strength of the prepared composite material is guaranteed, and meanwhile, the reduction of the elongation at break is effectively avoided, so that the fatigue resistance of the composite material is guaranteed, and the service life is further prolonged.
Owner:ZHEJIANG YULONG TECH DEV

Preparation method and application of composite porous carbon-based negative electrode material with soft carbon coated with hard carbon

The invention relates to a preparation method and application of a composite porous carbon-based negative electrode material with soft carbon coated with hard carbon. The preparation method comprises the following steps: (S1) carbonizing and activating a soft carbon material precursor to obtain soft carbon core particles; (S2) carrying out graft modification on the oxidized soft carbon inner core particles through dopamine polyethylene glycol silane, and then carrying out in-situ copolymerization reaction on the modified soft carbon inner core particles and dopamine to obtain organic silicon-polydopamine coated soft carbon composite particles; (S3) carrying out in-situ polymerization of phenolic aldehyde on the surfaces of the composite particles to form phenolic aldehyde coated soft carbon composite particles; (S4) carbonizing and activating the phenolic aldehyde coated soft carbon composite particles to obtain hard carbon coated soft carbon composite porous carbon; and (S5) carrying out silicon deposition and carbon coating on the composite porous carbon to obtain the composite porous carbon-based negative electrode material with soft carbon coated with hard carbon. When the composite porous carbon-based negative electrode material with the soft carbon coated with the hard carbon prepared by the invention is applied to a negative electrode of a lithium battery, the composite porous carbon-based negative electrode material has good electrochemical performance, and particularly has excellent cycle performance and compression resistance.
Owner:BEIJING IAMETAL NEW ENERGY TECH CO LTD +1

Lactobacillus crispatus LC30 for preventing and treating female genital tract infection and application thereof

The invention relates to lactobacillus crispatus LC30 for preventing and treating female genital tract infection and application of the lactobacillus crispatus LC30. The lactobacillus crispatus LC30 is preserved in the China General Microbiological Culture Collection Center with the preservation number of CGMCC NO.31923. The lactobacillus crispatus LC30 has good hydrogen peroxide production capacity and adhesion capacity, has a strong inhibition effect on main vaginitis pathogenic bacteria, and can be used for preventing and treating female genital tract infection. The composition is effective to nutritional pathogenic bacteria, and can also reduce form transformation and biological membrane formation of the pathogenic bacteria and prevent and treat drug resistance; besides, the fermentation product can reduce the content of pathogenic bacteria metabolites, regulate the secretion of cytokines and achieve the effect of relieving inflammation, so that the fermentation product can be used for preparing products for preventing and treating genital tract pathogenic bacteria infection, preventing and treating vaginitis and / or removing pudendum peculiar smell.
Owner:HEBEI YIRAN BIOLOGICAL TECH CO LTD

Antibacterial waterproof aluminum-plastic composite hose and preparation method thereof

The invention discloses an antibacterial water-resistant aluminum-plastic composite hose and a preparation method thereof, and belongs to the technical field of aluminum-plastic composites.The antibacterial water-resistant aluminum-plastic composite hose comprises a hose head and a hose body, the hose body is formed by lap joint of antibacterial water-resistant aluminum-plastic composite sheets, and the antibacterial water-resistant aluminum-plastic composite sheets are arranged on the hose head. The antibacterial waterproof aluminum-plastic composite sheet sequentially comprises an outer-layer PE film, a hyperbranched copolymer, an aluminum foil, an ethylene-methacrylic acid copolymer and an inner-layer PE film, the hyperbranched copolymer and the ethylene-methacrylic acid copolymer are formed by cross-linking and copolymerizing an acrylate cross-linking agent and a sulfydryl-silyl ether cross-linking agent. The hyperbranched copolymer provided by the invention can be used as a bonding layer to meet the requirement of the aluminum-plastic composite hose on peel strength, and the aluminum-plastic composite hose also has good tensile strength, water-proof and oil-proof effects and antibacterial performance.
Owner:TUBEST PACKING (GZ) CO LTD +1

Waterproof anticorrosive paint as well as preparation method and application thereof

The invention discloses a waterproof anticorrosive coating and a preparation method and application thereof, and relates to the technical field of coatings, and the waterproof anticorrosive coating is prepared from the following raw materials in parts by weight: 30-40 parts of carboxyl-terminated hyperbranched polyester resin, 20-30 parts of carboxyl-terminated functional polyamide, 10-15 parts of hyperbranched polyurethane containing epoxy groups, 15-20 parts of filler, 1-3 parts of (3, 6-diamino acridine-9-yl) boric acid, 1-3 parts of 1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5-trimethyl-1, 3, 5- the component A is prepared from the following components in parts by weight: 3-5 parts of 2, 3, 5-triglycidyl-S-triazinetrione, 1-2 parts of a coupling agent, 0.8-1.2 parts of a flatting agent and 0.6-1.3 parts of a defoaming agent; the carboxyl-terminated functional polyamide comprises a structural unit introduced by the following monomers: N-(4H-1, 2, 4-triazole-4-yl) diphenylamine-4, 4 '-dicarboxylic acid, and 3, 3'-diamino-4, 4 '-difluorodiphenyl sulfone. The coating is good in waterproof and anti-corrosion performance, high in adhesive force with a base material, sufficient in solvent resistance and aging resistance and long in service life.
Owner:HUIZHOU TIANHONG PAINTING CO LTD

Low-temperature curing lubricating coating for fan bearing and preparation method of low-temperature curing lubricating coating

The invention relates to the technical field of lubricating coatings, in particular to a low-temperature curing lubricating coating for a fan bearing and a preparation method of the low-temperature curing lubricating coating. The lubricating coating is prepared from the following components in parts by weight: 55 to 65 parts of mixed solvent, 10 to 15 parts of composite bonding resin, 10 to 15 parts of modified lubricating filler, 8 to 12 parts of wear-resistant filler, 0.5 to 3 parts of dispersing agent, 0.5 to 1 part of micronized dicyandiamide, 0.5 to 2 parts of flatting agent, 0.5 to 2 parts of defoaming agent and 0.5 to 1 part of anti-settling agent, wherein the composite bonding resin is prepared from the following components in parts by weight: 10 to 20 parts of organic silicon resin, 15 to 30 parts of novolac epoxy resin, 15 to 30 parts of urethane acrylate and 35 to 45 parts of polyhydroxy polyether resin; the modified lubricating filler is obtained by modifying mixed powder containing molybdenum disulfide and polytetrafluoroethylene. The adhesive force, the wear resistance and the lubricating property of the lubricating coating can be improved, and the curing temperature can be reduced.
Owner:XIAN RARE METAL MATERIALS RES INST CO LTD

Super-wear-resistant super-hydrophobic coating and preparation method thereof

The invention discloses a super-wear-resistant super-hydrophobic coating in the technical field of coatings, the super-wear-resistant super-hydrophobic coating comprises a primer and a finishing coat, the primer comprises solvent-free aliphatic polyether polyol resin, micro-powder particles, di-tetratoluene diisocynate, fumed silica nanoparticles and a primer magnetic attraction material; the finishing paint comprises hydrophobic nanoparticles, a diluent, a finishing paint magnetic attraction material and a hydrophobic treatment agent, the primer magnetic attraction material is ferrite powder, and the finishing paint magnetic attraction material is nickel powder. The preparation method comprises the following steps: 1, preparing the primer; secondly, primer is sprayed; step 3, roughening the primer; 4, finish paint is manufactured; step 5, spraying finish paint; and step 6, detecting the performance of the coating. The preparation method is scientific and reasonable, the uniformity and stability of the coating in the preparation and coating process are ensured by optimizing the composition of the coating material, improving the preparation process and introducing a magnetic suction device, and therefore the wear resistance, hydrophobicity and adhesive force of the coating are improved.
Owner:BEIJING INST OF TECH

Insulation heat dissipation coating composition for lithium battery and preparation method of insulation heat dissipation coating composition

The invention belongs to the technical field of insulation and heat dissipation coatings, and particularly relates to an insulation and heat dissipation coating composition for a lithium battery and a preparation method of the insulation and heat dissipation coating composition. The insulating heat dissipation coating composition is prepared from the following raw materials: modified epoxy resin, heat conduction filler, a defoaming agent, a flatting agent, a curing agent and a solvent, a preparation method of the modified epoxy resin comprises the following steps: firstly, preparing fluorinated silane by utilizing an epoxy compound to perform ring-opening reaction and esterification reaction, and then preparing the modified epoxy resin by taking the fluorinated silane, bismaleimide and bisphenol A epoxy resin as raw materials through chain extension reaction. According to the invention, the modified epoxy resin, the heat-conducting filler and other raw materials are compounded, and the prepared coating composition has excellent weather resistance, heat and humidity resistance, wear resistance and chemical corrosion resistance by adjusting the raw material ratio and optimizing the process conditions, and also keeps good adhesive force, impact resistance, heat dissipation and insulativity at the same time.
Owner:CTRON ADVANCED MATERIAL CO LTD

Photovoltaic electrode grid line preparation method and photovoltaic cell

The invention discloses a photovoltaic electrode grid line preparation method and a photovoltaic cell, and relates to the technical field of photovoltaic cells. The preparation method of the photovoltaic electrode grid line comprises the following steps: providing a preset mold which is complementary with an electrode pattern to be embossed and formed in shape; preparing a required polymer layer on the mold according to preset process parameters, and taking the required polymer layer as a transfer printing substrate; coating the forming side of the polymer layer with conductive slurry which at least can fill the grooves in the polymer layer, and removing redundant conductive slurry on the surface of the polymer layer, so that the surfaces of the grooves and the conductive slurry are located on the same plane; a required polymer layer is prepared on a mold according to preset process parameters and serves as a transfer printing substrate, and then the polymer layer is subjected to transfer printing, dissolution and other processes, so that precise and high-resolution electrode grid line preparation is realized on a base material, mold damage caused by repeated impressing and demolding is solved, and the production efficiency is improved. And the service life of the die is shortened.
Owner:BEIJING ZENITHNANO TECH CO LTD +1

Bio-based polyurethane water-based ink and preparation process thereof

The invention relates to the technical field of water-based ink, in particular to bio-based polyurethane water-based ink and a preparation process thereof. The preparation method specifically comprises the following steps: S1, adopting ring-opening epoxidized soybean oil and modified epoxidized soybean oil as chain extenders, and carrying out chain extension reaction on the chain extenders and a polyurethane prepolymer to prepare waterborne polyurethane; s2, performing viscosity reduction treatment on starch, then grafting with 3-amino-5 carboxyl-N-methyl benzamide, and finally mixing with ring-opening epoxidized soybean oil for modification to prepare modified starch; s3, mixing the waterborne polyurethane, the modified starch, the waterborne pigment, the thickening agent, the flatting agent, the defoaming agent and the deionized water according to the proportion, emulsifying and defoaming to obtain the bio-based polyurethane waterborne ink. The bio-based polyurethane water-based ink has excellent thermal stability, adhesive capacity and printing quality, is green and environment-friendly, and shows remarkable practicability.
Owner:KUNMING KOMATSU PLATE PRINTING CO LTD

Hydrogel composition and preparation method thereof

PendingCN119236162AImprove antibacterial propertiesStable and effective bactericidal activityBandagesEthyl hydroxybenzoatePhenolic content in tea
The invention provides a hydrogel composition. The hydrogel composition is prepared from the following components in percentage by weight: 0.5 to 15 percent of an adhesion component, 0.5 to 10 percent of a moisturizing component, 0.01 to 5 percent of a bioactive component, 0.01 to 5 percent of a physical crosslinking agent, 0.01 to 2 percent of a flavoring component, 0.01 to 2 percent of an antimicrobial component and the balance of medical purified water, wherein the bioactive component comprises at least one of lipoic acid, tea polyphenol, lactic acid bacteria extract and metabiotics; the antimicrobial component comprises at least one of copper ions, benzyl alcohol, p-hydroxyacetophenone, sodium methyl hydroxybenzoate and sodium ethyl hydroxybenzoate. According to the hydrogel composition disclosed by the invention, the low-concentration antimicrobial component is introduced, so that the antimicrobial component has more stable and effective bactericidal activity and can be more stably adhered to a wound, and the hydrogel composition can have better antibacterial performance and a function of promoting wound healing without additionally adding antibiotics.
Owner:BEIJING YAKELIN BIOTECHNOLOGY CO LTD

Acrylate modified MS resin as well as preparation method and application thereof in MS sealant

The invention belongs to the technical field of sealants, and particularly relates to acrylate modified MS resin as well as a preparation method and application thereof in an MS sealant. The acrylate modified MS resin disclosed by the invention has the following structural formula: # imgabs0 #. The preparation method of the acrylate modified MS resin comprises the following steps: (1) mixing diisocyanate and acrylate for reaction to obtain a prepolymer; and (2) mixing polyether polyol, isocyanate silane, the prepolymer and a catalyst for reaction to obtain the acrylate modified MS resin. The prepared acrylate modified MS resin is used for preparing an MS sealant. The preparation method of the acrylate modified MS resin provided by the invention is simple in process, mild in reaction condition and convenient in production conversion, and the prepared acrylate modified MS resin is applied to an MS sealant, so that the base material adhesive force, weather resistance and mechanical properties of the MS sealant are improved.
Owner:SHANDONG INOV NEW MATERIALS CO LTD

Printing process of anti-puncture flame-retardant label

The invention relates to the technical field of printing, in particular to a printing process of an anti-puncture flame-retardant label, and the flame-retardant label comprises an anti-puncture base material layer, a flame-retardant layer, a printed pattern layer and an anti-puncture surface layer which are arranged in sequence; the base material layer and the surface layer are attached to the Dupont film through the composite technology, and the firmness and the using effect of the label are improved by means of the anti-puncture performance of the Dupont film. In the printing process, the treatment of the base material layer comprises stretching to ensure the surface flatness, the bonding layer and the adhesive film layer are accurately coated on the base material layer, and the flame-retardant layer is attached on the base material layer, so that the flatness and the structural strength of the base material are effectively improved, and meanwhile, the product is endowed with excellent flame-retardant property; the flame retardant performance and the structural strength are both improved, and a powerful guarantee is provided for product safety.
Owner:SUNWAY PRECISION TECHNOLOGY (GUANGDONG) CO LTD

Printing silver paste for touch screen and preparation method thereof

The invention relates to the technical field of touch screens, and discloses printing silver paste for a touch screen and a preparation method of the printing silver paste. The prepared silver paste is prepared from silver powder, conductive filler, modified polyurethane resin and an organic solvent as raw materials. Wherein the silver powder and the conductive filler serve as conductive phases, so that the substrate has excellent conductive performance, the hardness, the adhesive force and the thermal stability of the cured silver paste are improved, the use amount of the silver powder is reduced, and the production cost is reduced; and organic silicon is introduced into the modified polyurethane resin, so that the viscosity of polyurethane is reduced, the flowability of the silver paste is improved, and the silver paste is easy to manufacture and process.
Owner:DONGGUAN DOMAL ELECTRONICS SCI & TECH

Carbon-coated lithium iron phosphate positive electrode material and preparation method thereof

The invention discloses a carbon-coated lithium iron phosphate positive electrode material and a preparation method thereof, and belongs to the technical field of electrochemical energy materials. The preparation method comprises the following steps: stirring a binder and 80% of a solvent in parts by weight at 50-55 DEG C, adding a conductive agent, and stirring at the temperature lower than 40 DEG C for 2 hours; adding carbon-coated lithium iron phosphate, stirring, adding 20% of a solvent, and stirring; vacuumizing, maintaining the pressure, breaking the vacuum again, vacuumizing again, stirring, and testing the viscosity to obtain positive electrode slurry; and coating on an aluminum foil, and rolling to obtain the positive electrode material. The interior of the binder is of a firm three-dimensional network cross-linked structure, and meanwhile, the binder contains a benzotriazole structure and rich hydroxyl groups, so that the binder is high in adhesive force, and the non-polar part of the binder is beneficial to wetting an electrode by an electrolyte; and the binder and other raw materials have good compatibility, synergistically play a role, and jointly endow the carbon-coated lithium iron phosphate positive electrode material with excellent and stable cycle life, conductivity and the like, so that the carbon-coated lithium iron phosphate positive electrode material has excellent comprehensive performance and is safer to use.
Owner:JIANGSU OLITER ENERGY TECH CO LTD

Nanometer cold-rolled automobile sheet surface silane composite pretreatment agent and preparation method thereof

The invention discloses a nano cold-rolled automobile sheet surface silane composite pretreatment agent and a preparation method thereof. The composite pretreatment agent comprises the following components: a nano silane compound, an organic solvent, an acid catalyst, a surfactant, a corrosion inhibitor, a stabilizer, a defoaming agent, a preservative, a complexing agent, a thickening agent, a dispersing agent, a pH regulator, deionized water and the like. According to the method, a nanotechnology is combined with a silane compound, the silane compound is uniformly dispersed in a solvent by utilizing high specific surface area and high reaction activity of a nanomaterial to form a stable pretreatment agent, the preparation method is simple, convenient and suitable for industrial production, and meanwhile, the defects of a traditional surface pretreatment method are overcome; the method has the advantages of environmental protection, high efficiency and stability. The pretreatment agent not only can improve the surface quality of the cold-rolled automobile sheet, but also can provide good adhesive force and corrosion resistance for a subsequent coating, and prolongs the service life of the coating.
Owner:ANGANG STEEL CO LTD

Liquid metal dual-network hydrogel patch with intelligent adhesion

The invention relates to a liquid metal dual-network hydrogel patch with intelligent adhesion as well as a preparation method and application thereof, and belongs to the field of bioelectric sensing materials. By utilizing the characteristic that a polymer chain in the hydrogel has temperature-dependent phase change, the hydrogel is endowed with the advantages of intelligent adhesion and on-demand removal without pain and stimulation, and meanwhile, the hydrogel has good mechanical strength, is low in cost and convenient to operate, is suitable for large-scale production, popularization and application, and has wide application prospects. Wide application values are realized in the fields of wound dressings, postoperative care and the like.
Owner:BEIJING INST OF TECH

Self-cleaning anti-reflection coating liquid as well as preparation method and application thereof

The invention discloses a self-cleaning anti-reflection coating liquid as well as a preparation method and application thereof, and belongs to the technical field of photovoltaic glass. The self-cleaning anti-reflection coating liquid is prepared from the following components in parts by weight: 100 to 120 parts of silicon dioxide composite resin emulsion; 0.5 to 2 parts of an adhesion promoter; and 10 to 20 parts of water. The self-cleaning anti-reflection coating liquid has the effects of being hydrophilic, self-cleaning and capable of improving the transmittance of incident light. Wherein the composite functional component is mainly modified silicon dioxide composite amphiphilic acrylic resin and is formed by silicon dioxide modification, acrylic monomer modification and emulsion polymerization, the prepared self-cleaning anti-reflection coating liquid is used for surface coating of plastic films, glass and the like, and the functions of hydrophilicity (the contact angle is smaller than or equal to 5 degrees), the anti-reflection rate of 3% and high weather resistance (QUV is larger than or equal to 500 h) can be achieved; wide market application prospects are realized in the photovoltaic glass industry.
Owner:SHANGHAI HUZHENG IND CO LTD

Synthesis method of phosphorus-containing polysilazane and prepared zinc-rich anti-corrosion coating

The invention discloses a synthesis method of phosphorus-containing polysilazane. The synthesis method comprises the following steps: S1, preparing solid methyl hydrogen polysilazane; s2, solid methyl hydrogen polysilazane is dissolved in an organic solvent, phosphate ester is added, the mixture is stirred to be uniform, then a Karst catalyst is added, and a phosphorus-containing polysilazane solution is obtained after a heating reaction. The phosphorus-containing polysilazane solution obtained through combined action of polysilazane and phosphate containing a vinyl structure is applied to an anti-corrosion coating, the anti-corrosion coating with the thin thickness can be obtained, and the adhesive force and the salt spray resistance are excellent. According to the invention, self-made phosphorus-containing polysilazane is adopted, phosphate is connected to polysilazane through chemical modification, the salt spray resistance effect is improved, the storage stability is good, phosphorus liquid passivation treatment is not needed, and the process is green and environment-friendly.
Owner:HANGZHOU XINGXIANGLI TECHNOLOGY CO LTD

Insulating flame-retardant adhesive tape and preparation method thereof

The invention belongs to the technical field of insulating flame-retardant adhesive tapes, and particularly relates to an insulating flame-retardant adhesive tape and a preparation method thereof. According to the invention, phytic acid reacts with 3-amino-5-methylpyrazole, triaminopyrimidine and polyether amine-2000 to prepare a flame-retardant auxiliary agent, and the flame-retardant auxiliary agent is compounded with magnesium hydroxide, zinc borate and melamine to prepare a modified flame retardant which can generate an expansive carbon layer during combustion to block heat and isolate oxygen so as to achieve a flame-retardant effect; an aluminum oxide layer generated on the artificial diamond micro-powder is used as an insulating heat-conducting aid, so that the insulativity, wear resistance and corrosion resistance of the insulating flame-retardant adhesive tape are improved, the adhesive tape can be assisted in uniform heat conduction, and combustion caused by over-high local temperature is prevented; epoxy resin is used for wrapping the uniformly dispersed insulating heat-conducting auxiliary agent, and anisyl and boron nitride ceramic powder are cured to prepare an insulating material, so that the dielectric breakdown performance of the adhesive tape is enhanced. The insulating flame-retardant adhesive tape prepared by the invention is excellent in insulativity and flame retardance and free of halogen flame retardants, and the production process is environment-friendly.
Owner:SHENZHEN WANGLITONG ELECTRONIC TECHNOLOGY CO LTD

Lactobacillus mucilaginosus and application thereof in fermentation of sporoderm-broken ganoderma lucidum spore powder

PendingCN119662448Astrong adhesionHigh content of bioactive substancesBiocideAntibacterial agentsBiotechnologyShigella sp
The invention discloses lactobacillus mucilaginosus and application thereof in fermentation of sporoderm-broken ganoderma lucidum spore powder. The preservation number of the lactobacillus mucilaginosus is CGMCC (China General Microbiological Culture Collection Center) No.31453. The strain is separated and screened from vaginal secretions of healthy women at the childbearing age, is not hemolyzed, is sensitive to various common antibiotics and has strong lactic acid production capacity, and fermented supernate of the strain has strong growth inhibition capacity on escherichia coli, pseudomonas aeruginosa, staphylococcus aureus, salmonella typhimurium, shigella dysenteriae and gardnerella vaginalis and can be used for producing lactic acid. The compound has strong adhesion ability, growth inhibition ability and apoptosis promoting effect on human cervical cancer cells. When the strain is used for fermenting wall-broken ganoderma lucidum spore powder, the content of bioactive substances such as amino acids and derivatives thereof, fatty acids and steroids in fermentation liquor can be greatly increased, the strain has an obvious anti-inflammatory effect on DSS-induced mouse colitis, and the inflammatory factor level is remarkably reduced. The strain not only has significant application value in functional food and biological agents, but also opens up a new way for further development of ganoderma spores.
Owner:SICHUAN UNIV

Nickel-ruthenium composite coating plating method for molybdenum alloy substrate

The invention relates to a nickel-ruthenium composite coating plating method for a molybdenum alloy substrate, which is applied to the field of processing and manufacturing of metal-based molybdenum alloy substrates and comprises the following steps: carrying out surface pretreatment on a molybdenum sheet raw material to obtain a net molybdenum sheet; putting the pure molybdenum sheet into vacuum coating equipment, and starting the vacuum coating equipment to vacuumize to form a vacuum system; and vacuum coating equipment is started for heating, a high-temperature system is formed, the surface of the net molybdenum sheet is coated with a physical vapor deposition method, and the molybdenum sheet with nickel plated on the two faces and ruthenium plated on the single face is obtained. The method has the technical effects that a good coating film is formed on the surface of the molybdenum sheet through a vacuum coating method, the method is green and environmentally friendly, harmful substances are reduced, the adhesive force between the coating layer and the molybdenum sheet is high, the film layer is high in purity and good in quality, and the production quality of the molybdenum alloy substrate is improved. Grease, oxides, residual solvents, impurities and the like on the surface of the molybdenum sheet are cleaned through the surface pretreatment step, the surface quality and binding force of the molybdenum sheet are improved, and the connection firmness of the nickel-ruthenium composite coating on the surface of the molybdenum sheet is improved.
Owner:JIANGSU TIMES HUAYI ELECTRONIC TECH CO LTD

Anti-icing coating and preparation method thereof

The invention belongs to the technical field of polymers and functional coatings, and discloses an anti-icing coating and a preparation method thereof. The anti-icing coating is prepared from the following components in parts by weight: 20 to 40 parts of hydroxy acrylic resin; 10 to 30 parts of hydroxyl-terminated fluorine-containing polysiloxane; 1-3 parts of a dispersion accelerator; 2-5 parts of a hydrophobic migration agent; 1-10 parts of a curing agent; 0.5 to 1 part of a thixotropic agent; and 30-70 parts of an organic solvent. According to the anti-icing coating disclosed by the invention, reactive hydroxyl acrylic resin and hydroxyl-terminated fluorine-containing polysiloxane are adopted as coating matrixes, and a specific dispersion accelerator and a hydrophobic migration agent are further adopted, so that good strength, adhesive force and hydrophobic stain resistance are achieved at the same time; the anti-icing coating can be widely applied to anti-icing treatment of electric power facilities, vehicles and building decoration.
Owner:GUANGZHOU HILDE NEW MATERIAL TECH CO LTD

Water-based binder, preparation method thereof and carbon-coated aluminum foil

The invention relates to the technical field of battery binders, in particular to a water-based binder, a preparation method of the water-based binder and a carbon-coated aluminum foil. The water-based binder comprises a water-soluble monomer, an oil-soluble monomer, an amphiphilic monomer, a functional monomer, an initiator and a neutralizer, the amphiphilic monomer is prepared from at least one of sodium vinyl sulfonate, sodium p-styrenesulfonate, 2-acrylamide-2-methylpropanesulfonic acid and N-vinyl pyrrolidone; the functional monomer comprises at least one of divinylbenzene, pyrrole, phenylacetylene and 3, 4-ethylenedioxythiophene. According to the water-based binder, the water-soluble monomer, the oil-soluble monomer, the amphiphilic monomer and the functional monomer are compounded in proportion, the conductivity of the binder, the wettability to a conductive carbon material and an aluminum foil, the adhesion to the aluminum foil and the like are improved, the prepared battery has excellent cycle stability, and the service life of the battery is prolonged.
Owner:GUANGZHOU LUSHAN NEW MATERIALS

High-performance fiber containing carbon nanotubes and preparation method thereof

The invention relates to the technical field of high-performance fibers, in particular to a high-performance fiber containing carbon nanotubes and a preparation method of the high-performance fiber. The preparation method comprises the following steps: adding ammonium polyphosphate, alkylphenol polyoxyethylene ether and tetraethyl orthosilicate to obtain a silicon-coated ammonium polyphosphate material; then adding a silicon-coated ammonium polyphosphate material and gamma-aminopropyltriethoxysilane, so as to obtain a modified silicon-coated ammonium polyphosphate material; and mixing the modified silicon-coated ammonium polyphosphate material, tannic acid and a buffer solution to obtain the double-layer coated ammonium polyphosphate material. The fiber is obtained by adding a carbon nanotube material, a double-layer coated ammonium polyphosphate material, polytrimethylene terephthalate, a compatilizer and polypropylene and carrying out melt spinning. And then the fibers are sequentially soaked in an ethylenediamine solution, a polyglutamic acid solution and a chitosan solution, and the high-performance fibers are obtained. The obtained high-performance fiber has good flame retardance and antibacterial property, so that the high-performance fiber has a wide application prospect in the technical field of high-performance fibers.
Owner:CHANGZHOU HEXAGON NANOTECHNOLOGY CO LTD

Insulating anti-blocking structure and thin film capacitor thereof

The utility model discloses an insulating anti-blocking structure and a thin film capacitor thereof. The insulating anti-blocking structure comprises an insulating part, a pasting part, a first copper bar and a second copper bar, the insulating part is positioned between the first copper bar and the second copper bar, so that the first copper bar and the second copper bar are insulated; two ends of the pasting part are respectively adhered to the insulating part and the first copper bar; the two sides of the pasting part are provided with blocking blocks extending outwards, and the blocking blocks are located between the first copper bar and the insulating part. By arranging the insulating part and the pasting part, the insulating property between the first copper bar and the second copper bar is ensured, and the production yield of the film capacitor is improved; by arranging the barrier block and the injection molding part, the injection molding material can be effectively prevented from overflowing between the insulating part and the first copper bar to influence the structural stability of the injection molding part and the product performance of the film capacitor.
Owner:PANASONIC ELECTRONIC DEVICES (JIANGMEN) CO LTD

A kind of carbon-coated aluminum foil coating and preparation method and application of carbon-coated aluminum foil

The invention relates to the field of lithium ion batteries. In order to solve the problem of complicated preparation process of carbon-coated aluminum foil at present, the invention proposes a carbon-coated aluminum foil coating and a method for preparing the carbon-coated aluminum foil by using the carbon-coated aluminum foil coating. The carbon-coated aluminum foil coating comprises a colloid and a conductive agent, wherein the colloid is 19-51 parts by weight and the conductive agent is 54-110 parts by weight, and the carbon-coated aluminum foil with high conductivity, strong adhesion and high performance and good circulation is obtained. At the same time, the invention also proposes to prepare a positive electrode sheet and a lithium ion battery by using the carbon-coated aluminum foil, and the prepared lithium ion battery has excellent performance.
Owner:ZHEJIANG NARADA POWER SOURCE CO LTD +1

Glass fiber surface treatment agent and preparation method thereof, glass fiber and application thereof

The present application provides a glass fiber surface treatment agent and a preparation method thereof, glass fiber and application. The glass fiber surface treatment agent includes an effective component and water, wherein the effective component accounts for 4.6-10.3% by weight of the glass fiber surface treatment agent; the effective component includes: 6.3-19.6% of silane coupling agent, 1.8-5.9% of surfactant, 3.4-7.8% of lubricant, 60.7-84.8% of film former, and 2.9-6.4% of auxiliary agent according to the weight percentage of the effective component; wherein the film former is an acrylic acid modified polyester resin and / or an organosilicon modified polyester resin. The glass fiber produced by the glass fiber surface treatment agent of the present application has excellent smoothness of use and mechanical properties of glass fiber reinforced plastics, and meets various use requirements of food-grade glass fiber reinforced plastic containers.
Owner:JUSHI GRP CO