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52results about How to "Physiologically inert" patented technology
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Bicomponent platinum catalyst vulcanizer and its preparation method
The present invention relates to a double-component platinum catalyst curing agent. It includes agent A and agent B which can be uniformly mixed when they are used, in which the agent A is mixture of vinyl raw rubber, gas phase white carbon black and platinum complex, and the agent B is mixture of vinyl raw rubber, gas phase white carbon black, silicon oil whose end contains hydrogen and inhibitor. When the agent A and agent B are mixed, their mass ratio is agent A: agent B = (0.8-1.0)(1.0-1.5). Said invention also provides the preparation method of said double-component platinum catalyst curing agent.
Owner:SHENZHEN ANPIN SILICONE MATERIAL
High-efficiency antifoaming agent and preparation method thereof
InactiveCN103263789APhysiologically inertHigh temperature resistantFoam dispersion/preventionAlkalinityTriphenylmethane
The invention relates to a high-efficiency antifoaming agent and a preparation method thereof. The high-efficiency antifoaming agent is mainly composed of fluorosilicon oil, triphenylmethane, a nonylphenol polyoxyethylene ether emulsifier, deionized water and a thickening agent. The high-efficiency antifoaming agent has characteristics of strong antifoaming efficacy, low surface tension, low volatile, no toxicity, no pollution and physiological inertness, and also is resistant to high temperature and strong alkalinity.
Owner:张家港市一达水泥混凝土外加剂有限公司
Vinyl siloxane grafted hydrogen-containing silicone oil and preparation method thereof
The invention discloses vinyl siloxane grafted hydrogen-containing silicone oil and a preparation method thereof, and belongs to the technical field of organic synthesis. The vinyl siloxane grafted hydrogen-containing silicone oil is provided, and modified hydrogen-containing silicone oil is obtained by an addition reaction of a C=C bond with a Si-H bond. The vinyl siloxane grafted hydrogen-containing silicone oil and the preparation method thereof are also provided, and the method comprises the following steps: first stirring hydrogen-containing silicone oil and performing slow heating; thensequentially adding a solid platinum-containing catalyst and vinyl siloxane, and carrying out a reaction at a constant temperature for a period of time; and finally performing cooling, and filtering out the platinum-containing solid catalyst to obtain the vinyl siloxane grafted hydrogen-containing silicone oil. In the preparation reaction system, preferably the platinum content accounts for 0.02-0.06% of the mass of the hydrogen-containing silicone oil, and preferably the molar ratio of the C=C bond in the vinyl siloxane to the Si-H bond in the hydrogen-containing silicone oil is (1-1.05):1; and the vinyl siloxane grafted hydrogen-containing silicone oil with high viscosity and low hydrogen content can be obtained under reactive solvent-free conditions.
Owner:GBXF SILICONES CO LTD
Hydrophobic and oleophobic fluorine-containing group-modified drag reducer for hydraulic fracturing of inverse emulsion
The invention relates to a hydrophobic and oleophobic fluorine-containing group-modified drag reducer for hydraulic fracturing of an inverse emulsion, and belongs to the technical field of application of chemical agents in oil-gas field engineering. The hydrophobic and oleophobic fluorine-containing group-modified drag reducer is prepared by initializing inverse emulsion polymerization with a water-soluble monomer A1, a fluorine-containing monomer A2, a mutual solvent A3, water A4, an oil phase B and a free radical initiator C. According to the drag reducer, a water-phase mixture is dispersed into an oil phase represented by mineral oil or paroline to form a 'W / O' inverse emulsion; a small fluorine-containing segment with low surface energy and friction coefficient and the minimal surface tension in a solid material is introduced; the drag-reducing property of an original drag reducer is reserved; the drag reduction efficiency can reach 70% when the drag reducer is applied to hydraulic fracturing; meanwhile, the affinity between drag reducer molecules and the affinity between the drag reducer molecules and a reservoir rock are reduced by introduction of the fluorine-containing group; the drainage assisting performance and the reservoir protection performance after the hydraulic fracturing process are improved; and the problems that the drag reducer for shale oil and gas development at present is poor in flowback performance, serious in reservoir damages and high in biotoxicity are solved.
Owner:YANGTZE UNIVERSITY
High-moisture-retention VOC-free iron oxide color paste and preparation method thereof
InactiveCN103937331AGood moisturizing effectMeet environmental protection requirementsPigment pastesDissolutionBall mill
The invention discloses a high-moisture-retention VOC-free iron oxide color paste and a preparation method thereof. The high-moisture-retention VOC-free iron oxide color paste is composed of a dissolution-assisting moisture-retaining agent, a pH adjusting agent, a novel foam-inhibiting defoaming agent, a wetting dispersant, an aqueous rheological auxiliary agent, an iron oxide pigment and deionized water. The preparation method comprises: 1) adding the dissolution-assisting moisture-retaining agent, the pH adjusting agent, the novel foam-inhibiting defoaming agent and the wetting dispersant into deionized water and mixing uniformly; 2) slowly adding iron oxide pigment and performing high-speed dispersion, so as to form uniform paste dispersion under high-speed stirring state; 3) sending the paste into a ball mill by a pump and performing grinding dispersion for 2-5 times until the fineness of the paste dispersion is less than 2 mu m; and 4) adding the aqueous rheological auxiliary agent into the grinded paste dispersion, and adjusting the viscosity scope at 70-85 KU, so as to obtain the iron oxide ultrafine aqueous color paste dispersion. The high-moisture-retention VOC-free iron oxide color paste is easily controllable in quality, good in moisture retention performance, high in stability and small in environmental pollution.
Owner:ZHEJIANG NAMEI MATERIAL TECH
Split combined type sampling bottle for collecting water sample containing volatile substance and oxygen-sensitive substance
The invention relates to a split combined type sampling bottle for collecting a water sample containing a volatile substance and an oxygen-sensitive substance. The split combined type sampling bottle structurally comprises a bottle body, a bottle cover, a pressing plate and a protection cap, wherein the bottle body is formed by an upper bottle body and a lower bottle body which are in folding threaded connection; an O-shaped sealing ring is arranged at a joint; bottlenecks are respectively formed in the upper bottle body and the lower bottle body. By adoption of an upper and lower split combined structure and an upper-bottleneck and lower-bottleneck structure, the sampling bottle disclosed by the invention can realize a specific sampling mode down water feeding and up air exhausting; in a process of injecting the water sample into the bottle, a water outlet end pipe is not needed to be plugged into the sampling bottle, so that interference caused by manmade factors is avoided, and the fidelity of the sample is improved; in a water sample collection process, the rise speed of the water level in the bottle is steady, and is slowly changed; meanwhile, air in the bottle is exhausted, and the pressing plate is closed until the bottle is full of water and water overflows, so that the redundant water sample is discharged, and no redundant space cannot be retained in the bottle; therefore the single sampling success rate is high, and the working efficiency is improved.
Owner:BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
Low-hardness easily-reworked single-component heat-conducting gel and preparation method thereof
InactiveCN112159647AImprove shear resistanceHigh tensile strengthHeat-exchange elementsPolymer sciencePtru catalyst
The invention relates to the technical field of heat-conducting gel, in particular to low-hardness easy-to-rework single-component heat-conducting gel and a preparation method thereof. The heat-conducting gel is prepared from, by weight, 1-10 parts of vinyl silicone oil, 0.1-2 part of MQ resin, 1-12 parts of dimethyl silicone oil, 0.1-10 part of hydrogen-containing silicone oil, 1500-3000 ppm of platinum catalyst, 0.01-1.5 part of inhibitor, 0.05-0.12 part of coupling agent and 70-150 part of heat-conducting powder; dimethyl silicone oil and vinyl silicone oil are mixed, so that the heat-conducting gel is endowed with good tensile strength and stripping performance, on one hand, the fluidity of a system is improved, a dispensing process is facilitated, and on the other hand, the hardness is reduced and certain demolding performance is achieved.
Owner:SHENZHEN FRD SCI & TECH
Washing machine door special-purpose sealing ring
The invention discloses a washing machine door special-purpose sealing ring. The sealing ring comprises base rubber, a filler and additives. The base rubber comprises an ethylene propylene diene monomer and silica gel compound rubber. The other components comprise white carbon, talcum powder, StronWi TM, high flash point paraffin oil, diethylene glycol, a silane coupling agent, zinc oxide, a mildewproof agent, paraffin wax, black master batches, titanium dioxide, an antiager, an accelerator and a vulcanizing agent. Through combination of the base rubber containing the ethylene propylene diene monomer and silica gel compound rubber and the fillers and additives, the ethylene propylene diene monomer sealing ring has good low / high temperature resistance and aging resistance. Through use of physical inertia of the silica gel compound rubber, smell friendliness of the sealing ring is improved. The sealing ring has the advantages of fine feeling, excellent hot aging resistance and long service life.
Owner:DEZHOU HELIJIA RUBBER & PLASTIC PROD CO LTD
Ceramic dielectric filter and method for conducting and fixing ceramic dielectric filter and antenna coupling plate
InactiveCN110518312AContact stabilityGuaranteed stabilityCoupling contact membersAntenna couplingsDielectricState of art
The invention relates to a ceramic dielectric filter and a method for conducting and fixing the ceramic dielectric filter and an antenna coupling plate. The filter adopts a spring pin assembly, wherein the spring pin assembly comprises a pin tube, a spring and a contact pin, the spring and the contact pin are arranged in the pin tube, the spring can buffer stress to prevent the contact pin from being damaged, and the stability of signal transmission between the contact pin and the antenna coupling can also be ensured. The ceramic dielectric filter is assembled and fixed by means of crimping ashielding fixing cover, so that the defects of easy damage or unstable contact of the ceramic dielectric filter in the prior art due to the adoption of electrode or contact pin welding for signal transmission and inconvenient disassembly caused by welding and fixing the filter are overcome, the signal transmission performance of the ceramic dielectric filter is improved, the signal transmission isstable, and the disassembly is convenient.
Owner:TONGYU COMM INC
Separate combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances
The invention relates to a split combined sampling bottle for collecting water samples containing volatile substances and oxygen-sensitive substances. The structure includes a bottle body, a bottle cap, a pressing plate and a protective cap; The two parts of the bottle body are threadedly connected, an O-shaped sealing ring is arranged at the joint, and bottlenecks are respectively arranged on the upper bottle body and the lower bottle body. The sampling bottle of the present invention adopts an upper and lower split body structure and an upper and lower bottle mouth structure, which can realize the unique sampling mode of "water inlet from the bottom and exhaust from the top". The interference of human factors is avoided, and the fidelity of the sample is improved; during the water sample collection process, the water surface in the bottle rises steadily and changes slowly, and at the same time, the air in the bottle is discharged until the water overflows, the pressure plate is closed, and the excess water sample is discharged , There will be no extra space in the bottle, and the success rate of one-time sampling is high, which improves the work efficiency.
Owner:BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
Electrified cleaning agent for high-pressure jet cleaning and preparation method ofelectrified cleaning agent
PendingCN112226293AEasy to cleanImprove permeabilityInorganic/elemental detergent compounding agentsNon-ionic surface-active compoundsTransformerActive agent
The invention relates to an electrified cleaning agent for high-pressure jet cleaning and a preparation method of the electrified cleaning agent. The electrified cleaning agent comprises the followingcomponents in parts by weight: 2-8 parts of a cleaning material, 50-60 parts of dipropylene glycol, 5-10 parts of ethanol, 10-20 parts of dimethyl silicone oil, 8-15 parts of a nonionic surfactant, 0.1-0.5 part of a mildew preventive and 0.2-0.8 part of an antistatic agent. The electrified cleaning agent disclosed by the invention is widely applied to maintenance of equipment such as high- and low-voltage power distribution cabinets, insulators, transformers, motors, large electromagnetic valves, electric welding machines, various electric equipment tools and the like; various comprehensive pollutants such as greasy dirt, dust and carbon powder attached to electric and electrical mechanical equipment can be rapidly removed; the volatilization speed is high, oil stains can be thoroughly dissolved, complete volatilization can be achieved, no residue is left, and no flash point exists; and the electrified cleaning agent is harmless to metals, coating veneers, insulating covering layers,alloys, dissolution-resistant rubber, plastics and the like.
Owner:南网电力检修(广东)有限公司
Condom containing nano-scale material and manufacturing method for condom
ActiveCN104744719AImprove bindingCorrosion resistanceMale contraceptivesCoatingsFluoridePre treatment
The invention discloses a condom containing a nano-scale material and a manufacturing method for the condom. The manufacturing method comprises the following steps: S1, placing a condom base body into a plasma environment to pre-process; S2, forming a layer of fluoride with a nano-scale grain size on the surface of the condom base body. The condom with a nano-scale fluoride outer layer is small in bore diameter and can be used for blocking virus with a diameter of tens of nanometers. The polytetrafluoroethylene PTFE has a friction coefficient of only 0.04 and high self-lubrication, so that physical lubricating oil is not required to be especially added to a condom body.
Owner:冷博
Special sampling bottle for collecting water sample containing volatile substance and oxygen-sensitive substance
The invention relates to a special sampling bottle for collecting a water sample containing a volatile substance and an oxygen-sensitive substance. The special sampling bottle structurally comprises a bottle body for accommodating the water sample, a bottle cover covering the upper opening of the bottle body, and a plunger mechanism plugging the top opening in the center of the bottle cover, wherein the plunger mechanism comprises a fixed pipe, a T-shaped padding plug and a protection cap. Due to a special bottle body structure and a special bottle cover structure, the bottle cover and the bottle body can synchronously discharge a certain amount of water in the bottleneck in a buckling process, so that the sampling bottle is not required to be vertical absolutely no matter whether the site is flat or not; after the sampling bottle is full of the water sample, even if certain water-sample-free redundant spaces are retained in the bottleneck, all the redundant spaces other than the water sample in the bottleneck can be discharged during filling type buckling of an inner sealing cover as long as the volumes of the retained spaces are smaller than the extruded volume of the inner sealing cover on the bottle cover; therefore the sampling bottle can be full of the water sample, no redundant space is retained, and sampling can be succeeded at one step.
Owner:BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
Silica gel band aid and other applications
InactiveCN101664561APhysiologically inertBreathableFinger bandagesAdhesive dressingsSolventChemistry
The invention discloses a silica gel band aid, characteristics of other applications (such as fingerstalls for massage therapists), and manufacturing method thereof. The silica gel band aid is soft and ventilated like skins of people; the skins covered by the silica gel products can perspire and ventilate normally; because of the hydrophobicity and physiological characteristics of the band aid, the band aid does not have pollution, bacteria breeding, and protects skin from being white and deformed. The method comprises the following steps: adding peroxide vulcanizing agent, a blowing up agent,boric acid grease and the like in an open mill in sequence, and sufficiently mixing the components; crosslinking and blowing up the mixture in a vulcanizing machine; and coating an alkoxyl silane compound taking ethanol as a solvent on a film, and grafting and combining the mixture in a thermostat tank. The band aid has simple process, easily obtained raw materials, excellent performance, easy industrialization and wide application, and brings good news to skin injured people and people requiring labor protection.
Owner:单东成
Formula and process of environment-friendly epoxy resin glue
InactiveCN111849363AWill not polluteWith low temperature resistanceNon-macromolecular adhesive additivesMacromolecular adhesive additivesEpoxyPotassium persulfate
The invention relates to the technical field of glue, particularly to a formula and a process of environment-friendly epoxy resin glue. The epoxy resin glue is prepared from the following raw materials in parts by weight: 55-80 parts of epoxy resin, 8-15 parts of sodium dodecyl benzene sulfonate, 6-12 parts of potassium persulfate, 2-3 parts of a preservative, 2-5 parts of dibutyl phthalate, 2-5 parts of nanometer silicon dioxide, 4-6 parts of glass fibers, 3-6 parts of a low-temperature-resistant anti-freezing agent, 4-10 parts of a modifier, 2-4 parts of a quick drying agent, 5-8 parts of anodor masking agent, 2-4 parts of scented water and 220-280 parts of deionized water. By arranging the low-temperature-resistant anti-freezing agent, the modifier, the quick-drying agent, the odor masking agent, the scented water and the glass fibers, the epoxy resin glue has a quick solidification function, corrosion resistance, high-temperature resistance, low-temperature resistance and the like, and is environmentally friendly.
Owner:今程粘胶(惠州)有限公司
Novel template structure with steel template attached to Teflon and manufacturing method of novel template structure
ActiveCN104847104APhysiologically inertNo toxicityForming/stuttering elementsMetal layered productsTetrafluoroethyleneTemplate design
The invention provides a novel template structure with a steel template attached to Teflon and a manufacturing method of the novel template structure. The novel template structure comprises the steel template, several tetrafluoroethylene plates are laminated on the steel template, two sides of the tetrafluoroethylene plates are wedge-shaped, fastening blocks are arranged between the adjacent tetrafluoroethylene plates, two sides of the fastening blocks are provided with inclined surfaces matched with two wedge-shaped sides of the tetrafluoroethylene plates, the lower portions of the fastening blocks extend into convex portions embedded into the steel template, and the fastening blocks are fixedly connected with the steel template . The novel template design method for attaching the Teflon plates to a common steel plate by a new process is researched. The template has the advantages that using times of the template is increased, appearance quality of concrete is improved, cost is saved, construction period is shortened and the like.
Owner:福建省盛威建设发展有限公司
Silica gel gutta-percha and manufacturing technology thereof
ActiveCN103862613ADoes not cause outflowFeatures SoftBaby-comfortersManufacturing technologyGutta-percha
The invention discloses silica gel gutta-percha and a manufacturing technology thereof. The technology at least comprises the steps of pouring a silica gel material into a mold to prepare a silica gel shell (1) with an injection opening (3); vulcanizing the silica gel shell (1); injecting silica gel into the silica gel shell (1) through the injection opening (3), and sealing the injection opening (3); and vulcanizing the silica gel. The silica gel gutta-percha comprises a gutta-percha body and a handheld part (2), wherein the gutta-percha body comprises the silica gel shell (1) with the injection opening (3) and the silica gel injected into the silica gel shell (1); the handheld part (2) and the silica gel shell (1) are made of the same silica gel and are integrally formed. The silica gel gutta-percha disclosed by the invention has comfortable mouth feeling and is safe to use.
Owner:中山市高亚硅胶制品有限公司 +1
U-shaped capacitive liquid level meter
InactiveCN102589646AThere will be no leakageIncrease the areaLevel indicators by physical variable measurementNon toxicityTemperature resistance
The invention discloses a U-shaped capacitive liquid level meter, which is composed of an electrode insulation outer sleeve, a transmitter casing, a displayer, a transmitter circuit, an inner electrode, a flange and an outer electrode. The transmitter circuit is composed of a power supply circuit, a pulse output circuit, a phase step time integrating circuit and an RC phase step circuit. The U-shaped capacitive liquid level meter has the advantage that 1 the electrode sleeve adopts the U-shaped structure in design, the changing area is twice that of pole type sleeve, and measurement is led tobe stable and accurate; and 2 the liquid level meter adopts a Teflon pipe with good performance as a material, the material has the advantages of high temperature resistance, abrasion resistance, weather resistance, high lubrication, non-adhesiveness, non-toxicity and excellent electric performance, and the liquid level meter can perfectly and completely measure liquid level under the effects of temperature, pressure fusion, molasses adhesion, molasses adhesion and scale deposition even the dielectric parameter is affected by temperature.
Owner:南宁测控自动化科技有限公司
A drag reducer for inverse emulsion hydraulic fracturing modified with hydrophobic and oil-repellent fluorine-containing groups
Owner:YANGTZE UNIVERSITY
Production method of slush-molded silicone rubber artware
The invention discloses a production method of slush-molded silicone rubber artware, belonging to the technical field of high polymer materials. The slush-molded silicone rubber artware prepared by the preparation method in the invention can prevent harm caused by mistaken eating; and silica gel has good fluidity, and a slush molding process is adopted, so the slush-molded silicone rubber artwarehas high temperature resistance and corrosion resistance, and is high in tensile strength and tearing strength, small in shrinkage rate, high in mold turnover frequency, low in shrinkage rate, free ofrelease of substances such as a low-molecular plasticizer in the crosslinking and using process, unchanged in size, small in shrinkage rate, food-grade, free of toxicity and odor, elastic and comfortable to touch and good in ornamental effect.
Owner:阜南县富昌恒业工艺品有限公司
New radiation-proof material
The invention relates to a new radiation-proof material. The new radiation-proof material is used to make a TV main board and / or a power board, the TV main board and / or the power board comprises a radiation-proof layer, a bonding layer and a heat dissipation layer in order from inside to outside, and the radiation-proof layer is pasted with the heat dissipation layer into one through the bonding layer. The chemical composition of the radiation-proof layer is: polyvinyl chloride; organosilicon; cis-polybutadiene; silk fiber; a waterborne acrylic emulsion; silver powder; a compatibilizer; a plasticizer; a thermal stabilizer; and an antioxidant, wherein a mass ratio of polyvinyl chloride to the silk fiber to the silver powder is 5-9:1:1-1.5, the antioxidant is a mixture of zinc dialkyl dithiophosphate and zinc dialkyl dithiocarbamate mixed according to 1:1, and a mass ratio of the organosilicon to the cis-polybutadiene to the waterborne acrylic emulsion is 1:1:0.8. The new radiation-proofmaterial can effectively prevent electromagnetic wave radiation, can avoid an excessive thickness of the TV main board and the power board, and at the same time can ensure the strength, so that the performance of the TV main board and the power board is greatly improved.
Owner:苏州韵之秋智能科技有限公司
System for collecting undisturbed water samples at fixed depth and method for collecting undisturbed water samples at fixed depth in turbulent waters
ActiveCN105181386BChemically stableAcid resistantWithdrawing sample devicesWater dischargeCollection system
The invention relates to a depth-fixed undisturbed water sample collection system and a collection method for collecting an undisturbed water sample at a fixed depth in a turbulent water area. The depth-fixed undisturbed water sample collection system comprises a sampling bottle, a sampler, an upper connection body, a graduated pipe and a positioning rod, wherein the sampling bottle comprises a bottle body, a bottle cover, a pressing plate and a protection cap; the sampler comprises a water feeder, a hanging beam and a lower ring; the upper connection body comprises a lifting beam and an upper ring; the weight of the sampler is twice that of the upper connection body; the sum of the weights of the sampler and the upper connection body is more than 1.5 times the weight of water discharged by the sampling bottle, the sampler and the upper connection body below a water level. The depth-fixed undisturbed water sample collection system is mainly used for collecting a water sample containing volatile substances and oxygen-sensitive substances in a turbulent river, so that high-fidelity water sample collection can be realized; furthermore, in hermitical storage and transportation processes, no redundant space exists in the sampling bottle, so that air oxidization is avoided.
Owner:BEIJING RESEARCH INSTITUTE OF CHEMICAL ENGINEERING AND METALLURGY
Photo frame and water-borne wood paint used on photo frame
InactiveCN106010021AAchieve replacementStraight texturePicture framesDomestic mirrorsMonomethyl etherLacquer
The invention discloses a photo frame which comprises a frame, wherein a groove is formed in the upper part or the lower part of the frame; a bubble level is arranged inside the groove; a transparent plate which is rotationally connected with the frame and is used for movably sealing the groove is arranged at the opening of the groove; a positioning shaft is arranged on the frame; a limiting rod which can rotate around the positioning shaft till being propped against the transparent plate to fix the transparent plate is connected with the positioning shaft in a sleeving manner. The invention further discloses water-borne wood paint coated on the frame. The water-borne wood paint comprises the following components in parts by weight: 75-85 parts of polyacrylic resin, 3-5 parts of propylene glycol monomethyl ether acetic ester, 0.1-0.3 part of dimethyl silicone polymer, 0.1-0.8 part of fumed silica, 0.3-0.5 part of a thickening agent, 13-17 parts of a coloring agent, 0.4-0.7 part of an ultraviolet absorber and 10-15 parts of deionized water. The photo frame has the beneficial effects that the bubble level can be conveniently replaced, so that the photo frame can be always mounted by people under the guidance of the bubble level, and moreover the water-borne wood paint has a function of protecting the photo frame, so that the service life of the photo frame can be prolonged.
Owner:TAIZHOU HUANGYAN HAIYAO ARTWARE
Valve material of puncture outfit and preparation method and application of valve material
The invention discloses a valve material of a puncture outfit. The valve material comprises, by weight, 25-45 parts of polydimethylsiloxane, 1.5-3 parts of polymethylsiloxane, 0.5-1.2 parts of platinum complex, 6-13 parts of graphene, 3-7 parts of white mineral oil, 0.2-0.7 part of gel film agent, 6-10 parts of carbon black, 7-15 parts of clay, 2-6 parts of barium sulfate, 0.3-0.5 part of magnesium hydroxide, 1-3 parts of hydroxy fluorosilicon oil, 1-2 parts of polyethylene wax and 1-1.8 parts of glycidyl ether. The invention further discloses a preparation method and application of the valvematerial of the puncture outfit. The valve material of the puncture outfit has the advantages that since a more environment-friendly valve production material is selected, the prepared valve has the characteristics of no unpleasant odor, no toxicity and resistance to high temperature and cold and has outstanding characteristics of physiological inertia and no proneness to blood coagulation; a moreoptimized production technology is adopted, full automatic production can be realized, yield of valve products is increased, production cost is reduced, medical expense burden on patients is reducedfurtherly, and remarkable social benefit is realized.
Owner:CHANGZHOU VOCATIONAL INST OF ENG
Formula of negative ion antibacterial antimite sponge
The invention discloses a formula of a negative ion antibacterial antimite sponge, the negative ion antibacterial antimite sponge is prepared from the following raw materials: 85-90% of a sponge solution, 6-7% of an antibacterial agent, 2-6% of negative ion powder and 1-3% of a blowing promoter, the sponge solution is prepared from the following raw materials: 5-10% of silicone oil, 75-80% of polyester resin, 3-10% of fiber and 2-5% of a resin binder, The negative ions are confirmed to be an effective means for purifying air during use of thenegative ion antibacterial antimite sponge , and the antibacterial agent has the functions of killing germs and preventing bacteria breeding, so that the sponge has the effects of promoting metabolism of a human body, improving the immunity of the human body, enhancing the muscle energy of the human body, regulating the functional balance of the human body, resisting bacteria and preventing mite breeding; and the silicone oil has heat resistance, electrical insulating property, weather resistance, hydrophobicity, physiological inertia and small surface tension, so that the surface of the sponge prepared according to the formula is smoother, the pore diameter of bubbles in the sponge is reduced, and the elasticity of the sponge is better.
Owner:佛山市爱思诺家具有限公司 +1
Application of polyethylene glycol as active component in preparing psoriasis treating drug and drug thereof
ActiveCN108969531ASoluble in waterNon-volatileOrganic active ingredientsDermatological disorderSide effectPsoriasis Area and Severity Index
The invention relates to an application of polyethylene glycol as an active component in preparing psoriasis treating a drug and the drug thereof. The inventor finds that polyethylene glycol has an obvious treatment effect to psoriasis and can alleviate splenauxea and increase of MDSCs cell populations effectively through tests. The treatment effect of polyethylene glycol is superior to that of afirst-tier drug calcipotriol for clinically treating psoriasis externally according to skin damage area of psoriasis and score of Psoriasis Area and Severity Index (PASI), and polyethylene glycol is free of toxic and side effects, does not lead to skin allergy, is stable and hard to deteriorate, and meanwhile, fixes water molecules through a lot of hydrogen bonds, so that water is kept in keratoderma or corium layer to increase the inventory of skin moisture, enhance the ventilating property of skin to play a moisturizing role, ensure curative effect continuously, and is free of influence to pH value. The pharmaceutical cost is far lower than clinical drugs such as calcipotriol, the economical burden of a patient can be reduced obviously, and the polyethylene glycol has an extremely wide market prospect.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
Gear transmission system with convenient adjustment and good using capacity
The invention discloses a gear transmission system convenient adjustment and good using capacity. The system comprises a mounting side plate, a driving motor and an arc-shaped shielding block. A second shaft sleeve is mounted at a top end of the mounting side plate through a limiting piece. A cushion block is welded to a lower end of the second shaft sleeve. A sliding groove is formed in a top ofthe cushion block through a bolt; two ends of the sliding groove are sleeved with sliding blocks. Third shaft sleeves and first shaft sleeves are installed on the sliding blocks through bolts. And a bearing is embedded in one end of each sliding block, opposite-pull blocks are welded to the two ends of the sliding groove, threaded sleeves are arranged on the opposite-pull blocks, a driving motor is installed on one side of a bottom end of the mounting side plate through bolts, and an output shaft of the driving motor is connected with a fourth gear. The novel gear transmission system with convenient adjustment and good using capacity is diversified in function, easy to operate, convenient to produce, capable of meeting various requirements in use and suitable for wide application and popularization.
Owner:酒泉市四方装备制造有限公司
Water filtering wall body of fabricated all-aluminum building
InactiveCN113006318ALight in massEasy to moveWallsBuilding insulationsWater filterArchitectural engineering
The invention discloses a water filtering wall body of a fabricated all-aluminum building, and relates to the technical field of all-aluminum buildings. The water filtering wall body of the fabricated all-aluminum building comprises two sets of base plates which are symmetrically arranged, wherein connecting plates are arranged on the base plates, threaded nails are arranged on the connecting plates, an aluminum support is fixedly connected to the bottoms of the base plates, a composite plate mechanism and an adjusting mechanism are arranged on the aluminum support, an aluminum frame is arranged on the adjusting mechanism, one side of the aluminum frame is fixedly connected with a damp-proof gypsum board, and the composite plate mechanism is provided with a cushioning mechanism. The water filtering wall body is made of an aluminum material, the overall mass of the wall body is light, the wall body is more convenient to move, meanwhile, the water filtering wall body can be spliced and assembled in a simple clamping mode, a large amount of time does not need to be consumed in the assembling process, installation operation can be conducted by common workers, the installation cost is greatly reduced, the installation efficiency is remarkably improved, and the construction period is greatly shortened.
Owner:重庆中昆新材料科技有限公司
Condom containing nano-scale material and its manufacturing method
ActiveCN104744719BImprove bindingCorrosion resistanceMale contraceptivesCoatingsTetrafluoroethyleneFluoride
Owner:冷博
A water flow state conversion device inside a rigid pipeline
ActiveCN111022812BAvoid damageReduced service lifeOperating means/releasing devices for valvesCorrosion preventionSet screwWater flow
The invention discloses a water flow state conversion device inside a rigid pipeline, comprising a water inlet pipe, a water outlet pipe and a mounting bracket, the water inlet pipe is mounted with a mounting bracket through fastening screws, and the top output port of the water inlet pipe is welded with a connection The connecting pipe is provided with a piston, the top of the piston is embedded with a bearing, one end of the connecting pipe is connected to the water outlet pipe through the liquid outlet, and the water outlet pipe runs through the installation bracket, and the top end of the installation bracket is installed The No. 2 flow velocity sensor is installed on the seat, and the No. 1 flow velocity sensor is installed on one end of the mounting bracket through the mounting plate. A stilling platform is installed on the inner bottom of the water inlet pipe through a positioning screw, and one end of the stilling platform is connected with a damping shaft. A fixed cover, one end of the fixed cover is installed with a connecting plate through bolts. The water flow state conversion device inside the novel rigid pipeline has various functions, is simple to operate, is convenient to produce, meets various demands in use, and is suitable for wide popularization and use.
Owner:LINAN PAIQI AIR PURIFYING TECH CO LTD
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