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85results about How to "Anti-adhesion" patented technology
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Waterborne two-component woodware coating and preparation method thereof
The invention discloses a waterborne two-component woodware coating and a preparation method thereof. The waterborne two-component woodware coating is prepared from main agent A and curing agent B. The main agent A comprises high-hydroxyl-value acrylic emulsion, low-hydroxyl-value acrylic emulsion, an aqueous polyurethane dispersion, a film forming auxiliary, a moistening agent, a leveling agent, an antifoaming agent, wax, extinction powder, a thickening agent, a preservative and deionized water, and the curing agent B comprises waterborne isocyanate and a solvent. The waterborne two-component woodware coating uses hydroxyl acrylic and the aqueous polyurethane dispersion as main film forming matters, the waterborne isocyanate serves as a cross-linking agent, the extinction powder and a wax auxiliary are added, curing reaction is performed at the normal temperature, and the coating has the advantages of high hardness, excellent chemical resistance, good scratch resistance, better transparence and simple, economical and reasonable production process, and can be widely applied to products such as wooden furniture and doors and windows.
Owner:BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
Self-layering organic-inorganic nano composite emulsion and method for preparing same
The invention relates to self-layering organic-inorganic nano composite emulsion and a method for preparing the same. The emulsion is made of mixed monomers, inorganic components and auxiliary components. The self-layering organic-inorganic nano composite emulsion is obtained by generating (or precipitating) organic nano particles inside (or on the surface) of latex particles in situ while introducing double-bond polysiloxane, and the emulsion is high in solid content, low in viscosity and high in storage stability. Due to differences of surface energy and compatibility (solubility parameters) between polysiloxane and other components in filming of emulsion, the polysiloxane molecules migrate to be enriched to a coating surface to form a self-layering structure.
Owner:DALIAN POLYTECHNIC UNIVERSITY
Method for preparing intra-operative hemostatic material by cross emulsification of plant starch
ActiveCN102139123ANot easy to decomposeExtended shelf lifeAbsorbent padsBandagesTissue CompatibilityBiology
The invention discloses a method for preparing an intra-operative hemostatic material by cross emulsification of plant starch. The method comprises the following steps of: taking plant starch as a raw material; gelatinizing; carrying out enzymolysis; emulsifying and cross-linking; carrying out solvent extraction; washing; spray-drying; sieving; sterilizing; and packaging to obtain the hemostatic material. The hemostatic material prepared by adopting the method disclosed by the invention has excellent biological barrier properties and tissue compatibility, can directly act on a hemorrhagic wound surface, and is especially convenient for organs and tissues with complex shapes. The selected material is plant starch which has the advantages of no toxicity, no irritation, rich sources, low price, simple and feasible production processes, high water absorption speed, short hemostatic time, good using effect and wide clinical application prospect.
Owner:杜宝堂
A kind of marine biological antifouling paint and its preparation method and application
InactiveCN102300944APrevention and Control of Marine BiofoulingImprove timelinessAntifouling/underwater paintsPaints with biocidesChemistrySeawater
The present invention relates to a marine organism anti-fouling paint and a preparing method and use thereof. The marine organism anti-fouling paint is polyacrylic-capsaicin resin, and the preparing method thereof comprises the steps of: performing esterification reaction for capsaicin compounds and acrylic acid or acrylic acid derivatives to obtain polyacrylic-capsaicin esters; and performing polymerization for the polyacrylic-capsaicin esters and acrylic ester compounds to obtain the polyacrylic-capsaicin resin. The method of the present invention directly performs chemical synthesis for natural organic-compounds with the functions of antimicrobial, sterilization and marine organism repelling action and the anti-fouling paint ground mass, then coats the prepared polyacrylic-capsaicin resin and the anti-fouling paint ground mass onto a body of a ship, after that, in the environment of seawater, the capsaicin in the resin can release slowly to restrain adhesion of the marine organism, thus the anti-fouling paint has the advantages of long aging, nontoxicity, green and environment protection, can be widely applied to prevention and cure for organism fouling, and has wide application prospects and economic values.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA
Preparation method of graphene-based self-repairing super-hydrophobic coating
ActiveCN108641421AEasy to operateEasy to prepareCoatings with pigmentsAntifouling/underwater paintsCoated surfaceFiltration
The invention discloses a preparation method of a graphene-based self-repairing super-hydrophobic coating. According to the method, octadecylamine-modified graphene oxide is adopted for obtaining a super-hydrophobic material with a self-repairing function, and the material is processed by means of spraying, brushing, extraction filtration, dipping and other methods to form a coating on the surfaceof a base material; after the coating is dried, a graphene-based self-repairing super-hydrophobic material is obtained. When the coating is influenced by ultraviolet rays, the acid-base degree and ion etching in an application environment and loses super hydrophobicity, the surface structure of the coating is recombined automatically and healed to an initial state, the super hydrophobicity of thecoating recovers, and therefore self-repairing of the super-hydrophobic coating is achieved. According to the preparation method of the self-repairing super-hydrophobic coating, a preparation processis easy to implement, the reaction conditions are mild, and the cost is low. The coating has the advantages of being capable of carrying out cleaning and repairing automatically and resistant to bonding, corrosion and ultraviolet rays, the super hydrophobicity and self-repairing super hydrophobicity of the coating are not limited by the base material, and a new approach is provided for prolongingthe service life of the super-hydrophobic coating.
Owner:SHAANXI UNIV OF SCI & TECH
Water-based wood paint modified by vegetable oil and preparation method of water-based wood paint
InactiveCN105176369AOvercome the disadvantages of poor mechanical propertiesOvercoming the deficiency of poor weather resistancePolyurea/polyurethane coatingsWater basedVegetable oil
The invention discloses water-based wood paint modified by vegetable oil and a preparation method of the water-based wood paint. The water-based wood paint is prepared from, by weight, 60-85 parts of aliphatic series modified polyurethane dispersoid, 1-3 parts of hardness-enhancing resin, 7-12 parts of water, 1-3 parts of wax emulsion, 2-5 parts of coalescing agents, 0.2-0.7 part of wetting dispersant, 0.1-0.5 part of flatting agents, 0.2-0.7 part of deforming agents, 1-2 parts of antifreezing agents and 0.3-0.7 part of thickening agents. According to the water-based wood paint modified by the vegetable oil and the preparation method of the water-based wood paint, formula adjustment is utilized, the environment-friendly type water-based hardness-enhancing resin is matched, and the hardness-enhancing resin comprises solvent-free water-based modified aldehyde ketone resin dispersoid. The water-based wood paint can reach or exceeds oil-based wood paint in physical and chemical technical index, and all comprehensive properties are excellent.
Owner:ZHANG ZHOU SAN PAINTS +1
Device and method for preparing titanium tetrachloride in manner of vibrating-type inner circulation fluidization
InactiveCN103979604ADestruction operationTake advantage ofTitanium halidesReaction temperatureNitrogen gas
The invention relates to a device and a method for preparing titanium tetrachloride in a manner of vibrating-type inner circulation fluidization, and belongs to the technical field of preparation of the titanium tetrachloride. The device mainly comprises an outer circulating fluidized bed, an inner circulating fluidized bed, a vibration distribution plate, a vibrator, a cyclone separator, a gas buffer tank, a gas distribution plate and the like. The method comprises the following steps: carrying out a chlorination reaction, cooling and gas-solid separation in the device by taking low-grade high titanium slags with a high calcium and magnesium content and coke as solid raw materials as well as taking chlorine gas, oxygen and nitrogen as gas raw materials, thereby preparing the titanium tetrachloride. The device has the characteristics of being compact in structure, easy to operate and overhaul, good in granule anti-bonding effect, high in titanium tetrachloride quality, favorable for continuous, stable and long-term operations, suitable for large-scale industrial production and the like. The method has the characteristics of being high in material heat utilization rate, uniform in reaction temperature distribution, convenient to control, high in titanium conversion rate and the like. Thus, the method and the device which are provided by the invention are particularly suitable for preparing the titanium tetrachloride from the low-grade high titanium slags with the high calcium and magnesium content.
Owner:CHONGQING UNIV
A three-dimensional patch used for nerve regeneration and epidural restoration and a preparing method thereof
The objective of the invention is to provide a three-dimensional patch used for nerve regeneration and epidural restoration and a preparing method thereof. A supporting layer is formed by weaving regenerated bacterial cellulose with a high Young modulus, high tensile strength and excellent shape maintaining capability. A middle layer is formed by covering with a chitosan membrane with high antibacterial performance. An outer layer comprises crosslinked sodium hyaluronate with antiblocking performance, high water binding capacity and water and air permeability. In addition, the bacterial cellulose has high water binding capacity and water and air permeability. The inside of the bacterial cellulose is free of conventional circular holes and has micro channels with different dimensions and large voids, thus guaranteeing that neutrophils in a human body can pass through the voids of a patching screen to phagocytose bacteria easily causing infection, facilitating healing of a wound part and not causing infection of the wound part. The patch is degradable fiber, so that the patch is not needed to be taken out by another operation and pain of patients is reduced.
Owner:冯淑芹
Water-based antifouling coating for nanoscale fishing net and preparation method and application thereof
ActiveCN107541117AImprove antifouling performanceGood flexibilityAntifouling/underwater paintsClimate change adaptationEpoxyWater based
The invention discloses a water-based antifouling coating for a nanoscale fishing net and a preparation method and application thereof, and relates to the field of marine antifouling coatings. The water-based antifouling coating for a nanoscale fishing net is prepared from, by weight, 20-60 parts of chlorosulfonated polyethylene emulsion, 8-20 parts of water-based epoxy resin, 0.5-10 parts of nano-antifouling agent and 5-100 parts of water, wherein the nano-antifouling agent is a charge transfer-typed auto redox nano material. The water-based antifouling coating relieves the disadvantages thatexisting net coat net case antifouling coatings belongs to the multi-solvent type, are not environment-friendly, and have poor adhesion, and used antifouling agents used have potential environmentalhazards and a poor antifouling effect. The water-based antifouling coating for a nanoscale fishing net has the advantages of good adhesion, prominent anti-contamination, antibacterial and anti-algal performances, and an obvious antifouling effect; in addition, it is safe and nontoxic to replace the solvent with water, and the antifouling agent does not contain substances which pollute the marine ecological environment, and is an environment-friendly antifouling coating for the fishing net.
Owner:SHENZHEN INST OF ADVANCED TECH
Plastic bottle cover mould having surface with diamond like composite coating
InactiveCN107587115AImprove toughnessImprove bindingChemical vapor deposition coatingDlc coatingPresent method
The invention relates to the field of surface treatment of metal molds, in particular to a plastic bottle cap mold with a diamond-like composite coating. The preparation method of the composite coating includes the treatment of the mold surface, the preparation of the transition layer, and the preparation of the diamond-like coating. The invention applies the advanced PVD diamond-like coating technology to the surface of the ultra-high-speed bottle cap mold to improve the wear resistance and anti-adhesion performance of the mold surface. The composite coating has the advantages of small friction coefficient, good thermal conductivity, anti-adhesion, wear resistance, high hardness, corrosion resistance, no pollution, etc., taking into account the advantages of graphite and diamond, and has good results in plastic molds. The coated mold has the advantages of high hardness and small friction coefficient, and the service life is greatly improved compared with the uncoated mold.
Owner:上海紫日包装有限公司
Anti-adhesion emulsified asphalt capable of being quickly demulsified, cured and molded at room temperature and preparation method thereof
InactiveCN107099040AFast demulsification speedHigh hardnessBuilding insulationsPetroleum resinRoom temperature
The invention relates to anti-adhesion emulsified asphalt capable of being quickly demulsified, cured and molded at a room temperature and a preparation method thereof and belongs to the field of asphalt road materials. The anti-adhesion emulsified asphalt is prepared from heavy-duty road asphalt, deoiled asphalt, petroleum resin, polymer latex, an assistant, an emulsifier, a pH regulator and water. The preparation method comprises the steps of firstly adding the emulsifier, the polymer latex and an assistant and water solution to water, adjusting the pH value and preparing liquid soap; stirring the heavy-duty road asphalt, the deoiled asphalt and the petroleum resin at a high temperature evenly and heating the mixture to a proper temperature, carrying out high-speed shearing on the mixture and the liquid soap through a colloid mill to obtain the anti-adhesion emulsified asphalt. The emulsifying process of the anti-adhesion emulsified asphalt is simple, and popularization and application are facilitated; and the anti-adhesion emulsified asphalt can be quickly demulsified, cured and molded at the room temperature, so that the work efficiency is improved; the anti-adhesion emulsified asphalt has the advantage of wheel adhesion resistance when being used as a road bonding layer, a failure of the bonding layer caused by the damage of a construction vehicle to the bonding layer is avoided, the service life of a road is prolonged, and meanwhile, environmental pollution is avoided.
Owner:BEIJING MUNICIPAL ROAD & BRIDGE BUILDING MATERIALGRP +1
Transparent conductive film and touch panel
ActiveCN102682876AHigh transparencyImprove featuresConductive layers on insulating-supportsSynthetic resin layered productsPolymer substrateSolid content
Owner:NITTO DENKO CORP
Easily-prepared anti-adhesive emulsified asphalt achieving normal-temperature rapid demulsification and preparation method thereof
InactiveCN106928732AHigh softening pointHigh bonding strengthBuilding insulationsPolymer sciencePolymer adhesive
The invention relates to easily-prepared anti-adhesive emulsified asphalt achieving normal-temperature rapid demulsification and a preparation method thereof, and belongs to the technical field of road engineering materials. The anti-adhesive emulsified asphalt is prepared from heavy traffic road asphalt, deoiled asphalt, an asphalt interface modifier, polymer latex, an auxiliary, an emulsifier, an acidifying or alkalizing agent and water; the preparation method comprises the steps that the emulsifier, the polymer latex and an auxiliary-aqueous solution are added into water, the PH value is adjusted, liquid soap is prepared, the heavy traffic road asphalt, the deoiled asphalt and the asphalt interface modifier are stirred to be uniform at a high temperature and heated to reach a proper temperature, the mixture and the liquid soap are subjected to colloid mill high-speed shear preparation, and the anti-adhesive emulsified asphalt is obtained. The anti-adhesive emulsified asphalt has the advantages that the emulsifying temperature of the asphalt is low, emulsification is easy, and the emulsification technology is simple and easy to operate; demulsification can be conducted rapidly at a normal temperature, and the construction efficiency is improved; the anti-adhesive emulsified asphalt has the advantage of being resistant to wheel adhesion when serving as a road adhesion layer, the phenomenon that due to damage of a construction vehicle to the adhesion layer, the adhesion layer loses efficacy is avoided, and the service life of a road is prolonged.
Owner:BEIJING MUNICIPAL ROAD & BRIDGE BUILDING MATERIALGRP +1
Water-based gravure surface printing matte ink for plastic film and preparation method thereof
The invention discloses water-based gravure surface printing matte ink for a plastic film and a preparation method thereof. The water-based gravure surface printing matte ink comprises the following raw materials by weight (totaling 100%): 10 to 15% of a pigment, 6 to 8% of a matt material, 38 to 42% of a composite connection material, 32.5-27.8% of a solvent and 6-8% of accessories. The water-based gravure surface printing matte ink has the advantages of safety, environmental-friendliness, lower VOC content, good fluidity, high color concentration, good printability, low printed product glossiness, good leveling property, layered hue, good fastness, and no harmful substances after drying. Prints have blocking resistance, migration resistance, rub resistance, and water resistance. The water-based gravure surface printing matte ink is suitable for market requirements.
Owner:成都海瑞斯特新材料有限公司
Benzene-free and ketone-free modified acrylate resin and preparation method thereof
The invention provides a benzene-free and ketone-free modified acrylate resin. The modified acrylate resin has excellent properties of good blocking resistance, wide range of applicable base materials, strong adhesion, high glossiness and the like; in the process of preparing ink, alcohol and / or ester solvents are adopted, and solvents such as benzene and ketone which pollute the environment are not added, so that the modified acrylate resin has the advantage of environmental friendliness.
Owner:苏州博莱特新材料有限公司
Pearly mask and preparation method thereof
InactiveCN107913189AHigh strengthPearlescent effect hasCosmetic preparationsToilet preparationsAntistatic agentUltimate tensile strength
The invention discloses a pearly mask, which is prepared from homo-polypropylene, a white material, pearly master batch and an antistatic agent as well as co-polypropylene and an anti-sticking agent in a layered way, and a preparation method of the pearly mask. The pearly mask has the advantages of being light in weight, non-toxic, odorless, dampproof, high in mechanical strength and impact resistance, good in dimensional stability, printing performance and thickness uniformity, adhesion-resistant, low-temperature-resistant and good in barrier property and transparency, having a pearly effect,and the like.
Owner:王红
Biological membrane for treating glaucoma and preparation method thereof
ActiveCN104826166AStable control of outflow rateAnti-adhesionProsthesisRadiation SterilizationUmbilical cord
The invention discloses a biological membrane for treating glaucoma and a preparation method thereof. The biological membrane is prepared by the following steps: soaking a sheep membrane in a high molecular polysaccharide water solution to thicken the sheep membrane, and then sterilizing the sheep membrane by radiation at a temperature of -16 to -4 DEG C; wherein the thickness of the biological membrane is 0.2 to 0.5 mm. In the preparation method, the thick sheep membrane around the umbilical cord is taken as the raw material, and the biological membrane is prepared through steps of rapid material obtaining, punching and cutting, composite thickening, and radiation sterilization. The provided biological membrane and preparation method have the following advantages: (1) various natural active components such as collagen, growth factors, anti-inflammation factors, and the like, in sheep membrane can be effectively preserved; (2) the bioactivity of the biological membrane is the same as that of fresh sheep membrane; (3) the clinical safety is greatly improved; (4) the thickness and degrading property of the biological membrane can meet the requirements on materials used for sclera subvalvular filling in glaucoma treatment, and the biological membrane can prevent synechia in the early stage after the operation and inhibit the formation of scars in the later period.
Owner:广州瑞泰生物科技有限公司 +1
Multifunctional guided bone regeneration composite membrane as well as preparation method and application thereof
ActiveCN114177367ABlock adhesionPrevent penetrationSurgeryCoatingsPotassium persulfatePolyacrylamide
The invention relates to the field of medical materials, and particularly discloses a multifunctional guided bone regeneration composite membrane and a preparation method and application thereof.The method comprises the steps that S1, a bacterial cellulose membrane is placed in an ethanol solution, acetic acid and a silane coupling agent are added, and a double-bond modified bacterial cellulose membrane is obtained; s2, putting the double-bond modified bacterial cellulose membrane into pure water, adding an acrylamide monomer and a potassium persulfate initiator, and heating and stirring to obtain a polyacrylamide grafted bacterial cellulose membrane; s3, soaking the polyacrylamide grafted bacterial cellulose membrane in a sodium hypochlorite solution to obtain an N-halamine modified bacterial cellulose compact layer; and S4, adding a glutaraldehyde aqueous solution into the chitosan-hydroxyapatite dispersion liquid, stirring and cross-linking to obtain a mixed dispersion liquid, coating the compact layer with the mixed dispersion liquid, and freeze-drying to obtain the chitosan-hydroxyapatite composite material. The composite membrane provided by the invention has the advantages of excellent barrier effect, antibacterial property and osteogenesis promoting function, and improves the success rate of guided bone regeneration and repair.
Owner:HOSPITAL OF STOMATOLOGY SUN YAT SEN UNIV +1
Sewage treatment device with high practicability
InactiveCN107399853APracticalImprove processing efficiencySpecific water treatment objectivesTreatment involving filtrationSludgeSewage
The invention provides a sewage treatment device with high practicability. The sewage treatment device comprises a base and a controller, wherein a first housing is arranged at the left side of the top end of the base; a second housing is arranged at the right side of the top end of the base; the first housing is connected the second housing through a water pipe with a water pump; the water pump is arranged at the top end of the base and is electrically connected with a controller; a support plate is horizontally arranged between the first housing and the second housing and is arranged at the upper part of the water pump; the controller is arranged at the top of the support plate; trundles are arranged at four corners of the bottom end of the base; a filter chamber is formed in an internal space of the first housing; a sewage inlet is formed in the top of the first housing. Through the design of a hydraulic machine, a hydraulic plate and a first box door, the sewage can be thoroughly filtered, a lot of sundries, such as sludge, left on the net can be filtered, the hydraulic plate moves towards the left through the hydraulic machine, and the sundries, such as the sludge, are discharged from the first box door.
Owner:湖州练市成宇丝织厂
Low-friction-coefficient antiblocking smooth coating and preparation method thereof
ActiveCN106928798AReduce flexibilityAnti-adhesionAntifouling/underwater paintsPaints with biocidesLow speedIon exchange
The invention relates to a low-friction-coefficient antiblocking smooth coating and a preparation method thereof. The low-friction-coefficient antiblocking smooth coating contains the following components in parts by weight: 90-110 parts of styrene-acrylic emulsion, 15-25 parts of ion exchange silica sol, 10-15 parts of large-particle-size silica sol, 15-25 parts of water, 30-50 parts of ethanol, 2-4 parts of n-butyl alcohol and 0.4-0.6 part of sodium polystyrene sulfonate. The preparation method comprises the following steps: a, by taking styrene-acrylic emulsion with the pH value of 8-9 as a base material, slowly doping silica sol, stirring for 1 hour at a rotating speed of 500rpm, and uniformly mixing materials; b, then adding mixed solution of water and ethanol, slowly adding a n-butyl alcohol defoaming agent, and stirring for 20 minutes at a low speed; and c, finally adding water diluted solution of sodium polystyrene sulfonate, stirring for 10 minutes at a low speed, then filtering by virtue of a 300-mesh filter net, standing, and defoaming for later use. Therefore, the coating has multiple advantages of antistatic property, antiblocking property, good weather resistance, high printing color density, low flexibility and improved paper feeding passing rate of a printing medium, the coating is easy to process and manufacture, and batch production can be carried out.
Owner:江苏耐斯数码科技股份有限公司
A preparation method of graphene-based self-healing superhydrophobic coating
ActiveCN108641421BEasy to operateEasy to prepareCoatings with pigmentsAntifouling/underwater paintsCoated surfaceGraphite oxide
Owner:SHAANXI UNIV OF SCI & TECH
Hemostasis composition with stable drug effect
InactiveCN107412840AStable hemostatic effectStable and fast hemostasisPharmaceutical delivery mechanismAbsorbent padsAdditive ingredientBiocompatibility Testing
The invention discloses a hemostasis composition with stable drug effect. The composition is prepared from, by weight, 2-50 parts of starch solution, 0.5-10 parts of blood coagulation factor solution, 1-10 parts of blood coagulation amino acid solution, 3-25 parts of chitosan, 1-10 parts of water-soluble polymer ingredients, 0.5-10 parts of penetration enhancer, 0.5-10 parts of poloxamer, and 10-500 parts of distilled water. The hemostasis composition has stable hemostasis effect, and can guarantee that blood of the wound can be stably and rapidly stopped; the composition is strong in biocompatibility, and able to prevent organization sticking, effectively promote the wound healing and realize the composition degradation and absorption; besides, the hemostasis composition has anti-bacterial function and can guarantee the stability of the hemostasis effect.
Owner:冯威
Water based acrylic acid type quick-drying agent and preparation method thereof
Owner:福建格林春天新材料股份有限公司
Surface layer coating agent coating device for wicker basket weaving wickers
InactiveCN107553647AQuality assuranceGuaranteed qualityCoating impregnationCoatingsSurface layerDrive motor
The invention discloses a surface layer coating agent coating device for wicker basket weaving wickers, and relates to the field of wicker basket weaving equipment. The surface layer coating agent coating device comprises a conveying table, two conveying wheels, coating sleeves, driving motors, reagent barrels and guiding frames. The conveying wheels are installed in the middle of the conveying table, the coating sleeves are installed outside the conveying wheels, the coating sleeves are of sponge structures, and coating agent injection tubes are installed on the outer sides of the coating sleeves; and the coating agent injection tubes are connected to the reagent barrels through pipelines, the reagent barrels are fixed to the two side edges of the conveying tables, the driving motors areconnected and installed at the bottoms of the conveying wheels, and the guiding frames are further installed at the front end of the conveying table. According to the surface layer coating agent coating device for the wicker basket weaving wickers, the structure is simple, the design is reasonable, using is convenient, conveying of the wickers and coating of a coating agent can be tightly combinedtogether, the process step of independent coating is reduced, and the wicker processing efficiency is effectively improved.
Owner:FUNAN NATURE ARTS & CRAFTS
Preparation technique for coating agent on surface layer of wicker
InactiveCN107718211AQuality improvementImprove mildew resistanceWood treatment detailsReed/straw treatmentInorganic saltsCalixarene
The invention discloses a preparation technique for a coating agent on the surface layer of wicker and relates to the technical field of weaving of wicker woven baskets. The preparation technique comprises the following steps that first, propolis, lemongrass oil, cinnamon oil, ethyl alcohol, diesel oil and potassium persulfate are mixed and stirred jointly, and thus a component A is obtained; second, coal tar, ethenyl ethanoate, calixarene, copper cyanide and deionized water are mixed and stirred, and thus a component B is obtained; third, the component A and the component B are mixed jointly,a protective addition agent is added into a mixture of the component A and the component B to be stirred in a reaction kettle, and thus a component C is obtained; fourth, then, sodium alginate, polyvinyl acetate ammonium, inorganic salt copper sulfate, toilet water, sodium fluoride and starch glue are added into the component C to be mixed and stirred, and a mixed material is fed into a steam boxand then cooled; fifth, finally, montmorillonite is put into microwave equipment to be subjected to medium-frequency microwave treatment, mixed with the material obtained in the fourth step and thencooled; and a cooled reagent is ground and filtered, and thus the coating agent is obtained. The method is simple and easy to use, raw materials can cooperate with one another, the bonding force of the coating agent and the wicker is high, a uniform and compact coating film can be formed on the surface of the wicker, and the sterilizing and insect bite preventing effects are achieved.
Owner:FUNAN NATURE ARTS & CRAFTS
Grease composition for assembling standard sections of tower crane and preparation method of grease composition
ActiveCN104164289AImprove wear reduction performanceGood adhesion resistanceLubricant compositionLithiumSulfonate
The invention relates to a grease composition for assembling standard sections of a tower crane and a preparation method of the grease composition. The grease composition comprises the following components in percentage by weight: 78.8%-94.8% of common lithium-based grease, 0.2%-0.8% of antioxidant, 0.8%-3.2% of graphite powder, 1.0%-4.5% of light calcium carbonate, 0.5%-3.0% of sorbitan monooleate, 0.4%-2.2% of phenolic resin, 2.0%-6.0% of sulfonate and 0.3%-1.5% of polyisobutene. The special grease composition for assembling the standard sections of the tower crane is obtained by adding additives such as the antioxidant, an antifriction agent, an anti-locking and anti-occluding agent, an anti-rust agent, a tackifying agent and the like into the common lithium-based grease taken as a carrier. According to the grease composition, the corrosion speed of shaft pins of the tower crane can be slowed, the shaft pins are prevented from being corroded and bonded with a shaft sleeve during building construction, and the pin shafts of the standard sections of the tower crane can be smoothly assembled and disassembled. The service cycle of the grease composition is within 1-2 years.
Owner:CHINA PETROLEUM & CHEM CORP
Water-borne colorful building coating resistant to coloring colloid adhesion and preparation method of water-borne colorful building coating
InactiveCN107434938AReduce load bearing massImprove the decorative effectMulticolor effect coatingsEmulsionAnti-Adhesion Agent
The invention relates to a water-borne colorful building coating resistant to coloring colloid adhesion. The coating comprises a continuous phase and a disperse phase. The continuous phase includes a continuous phase emulsion, a film-forming auxiliary agent, a bactericide, a multifunctional auxiliary agent, a thickening agent, an antifoaming agent, an antifreezing agent, an anti-adhesion agent, and deionized water. The disperse phase comprises a disperse phase emulsion, hydroxyethyl cellulose, inorganic pigment, colorful special-purpose color paste, a filling material, a dispersant, an antifoaming agent, a multifunctional auxiliary agent, a film-forming auxiliary agent, an antifreezing agent, a thickening agent, a stabilizer, a super rheological auxiliary agent solution with the concentration of 6.0%, a bactericide, and deionized water. The pH of the coating is 8.0-9.5. The invention further relates to a preparation method of the water-borne colorful building coating. According to the coating and method, the repeatability of a production process, the stability in a product storage process, convenience of a product construction process and simulation degree of a product are improved.
Owner:上海三银涂料科技股份有限公司 +1
Strengthened composite layer on rotor surface of screw drilling tool and machining process thereof
InactiveCN104790006AReduce porosityImprove corrosion resistanceBorehole drivesMetal layered productsHardnessComposite plate
The invention relates to a strengthened composite layer on a rotor surface of a screw drilling tool and a machining process of the strengthened composite layer. The strengthened composite layer is divided into a base layer and a hard chromium layer from the rotor surface to the outside in sequence, wherein the base layer is a creamy white chromium layer or a double-nickel layer composed of a semi-bright nickel layer and a bright nickel layer. The machining process of the strengthened composite layer comprises the following steps: electroplating a base layer on the rotor surface, wherein the base layer is a creamy white chromium layer or a double-nickel layer composed of the semi-bright nickel layer and the bright nickel layer; then, electroplating a hard chromium layer; forming a composite plated layer by the base layer and the hard chromium layer to enhance the strength of the rotor surface. The method is used for effectively solving the problems that the rotor of the screw drilling tool in the prior art is poor in corrosion resistance, is not suitable for the drilling environments with brine-saturated mud medium or is high in cost, and can obtain the rotor of the screw drilling tool with a plurality of excellent performances. With the adoption of the process provided by the invention, the prepared rotor of the screw drilling tool is good in corrosion resistance and wear resistance, high in hardness, and long in service life (in saline environment, the service life of the composite plated layer rotor screw prepared by the process of the invention is up to 250-300 hours).
Owner:KINGDREAM PLC CO +1
Anti-fouling and anti-adhesion high-strength polyester cable for deep and far seas and preparation method thereof
The invention provides an anti-fouling and anti-adhesion high-strength polyester cable for deep and far seas and a preparation method thereof, and relates to the technical field of ship ocean engineering. The polyester cable comprises a polyester rope body and terminal eye rings, wherein the polyester rope body comprises an inner core, a sand-proof belt and a woven outer sleeve; the inner core is formed by sequentially arranging multiple 12-strand sub-ropes; the sand-proof belt is wound outside the inner core and located between the inner core and the woven outer sleeve; the woven outer sleeve is formed by weaving multiple multi-strand strands; and the woven outer sleeve is coated with an anti-fouling and anti-adhesion coating prepared by mixing a carbon nano tube and a chlorinated polyether resin anti-fouling agent. According to the anti-fouling and anti-adhesion high-strength polyester cable for deep and far seas and the preparation method thereof provided by the invention, the inner core is formed by sequentially arranging the multiple 12-strand sub-ropes, and the woven outer sleeve is formed by weaving the multiple multi-strand strands, so that the cable has very good chemical corrosion resistance and wear resistance. The sand-proof belt is wound outside the inner core, so that soil particles exceeding 5 microns can be effectively blocked. Through the anti-fouling and anti-adhesion coating, the combination degree of the coating and fibers can be improved, the flexibility of the cable is improved, and the anti-fouling performance of the cable is improved.
Owner:CHINA NAT OFFSHORE OIL CORP +2
Waterborne coating stirring system
InactiveCN105879761AImprove stirring efficiencyAnti-adhesionShaking/oscillating/vibrating mixersTransportation and packagingEngineeringMechanical engineering
The invention discloses a waterborne coating stirring system. The waterborne coating stirring system comprises a stirring kettle, a vibration device and a swinging device, wherein the stirring kettle comprises a kettle body, a stirring motor, a kettle body rotary shaft and a stirring device; the vibration device comprises a vibration ring, a plurality of vibration telescoping cylinders, a plurality of telescoping rods, a plurality of vibration motors and a plurality of vibration blocks; the swinging device comprises a rotary disc and a swinging driving device; the rotary disc is transversely arranged just under the kettle body. The waterborne coating stirring system has the beneficial effects that the whole device has an ingenious structure design and clear function aims; function work is finished relatively well, the utilization effect is relatively good and the production efficiency is improved.
Owner:安徽省思维新型建材有限公司
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