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495results about How to "Guaranteed bonding effect" patented technology

Double-point coating production line for hot-melt adhesive padding cloth

The invention provides a double-point coating production line for hot-melt adhesive padding cloth, and the double-point coating production line comprises a cloth reception device, a wind shielding screen, a size discharging roller, a holt-melt rubber powder blowing/sucking device, a drying oven, a cooling device, an ultraviolet lamp perching device and a rolling device which are arranged in sequence from front to back, wherein the cloth reception device comprises a cloth reception underframe, a lower pressing mould which is arranged on the cloth reception underframe and an upper pressing mould which is arranged on the cloth reception underframe and matched with the lower pressing mould in a lifting manner to crimp padding cloth; the wind shielding screen comprises a screen underframe and a screen plate which is arranged on the screen underframe; the size discharging roller comprises a discharging roller main body and a discharging hole which is formed in the discharging roller main body; and a scraper is arranged in the discharging roller main body. According to the double-point coating production line for hot-melt adhesive padding cloth, the unrolling speed of the padding cloth is increased, the continuous production is realized, the work efficiency is improved, the production cost is reduced and the quality of the padding cloth is improved.
Owner:HANGZHOU AOKE GARMENT ACCESSORIES

Three-dimensional network water-based composite binder and application thereof in lithium ion battery

The invention provides a three-dimensional network water-based composite binder, which is prepared from the following components in percentage by weight: 5 to 50 percent of water-based polymer emulsion, 94.5 to 50 percent of water-soluble polymer and 0.5 to 10 percent of cross-linking agent. The three-dimensional network water-based composite binder is prepared by crosslinking the water-based polymer emulsion and the water-soluble polymer by a crosslinking agent to form a three-dimensional network molecular structure, wherein the water-based polymer emulsion is a water-based polyurethane emulsion or a vinyl acetate water-based copolymer emulsion. The invention also provides a negative electrode prepared from the three-dimensional network water-based composite binder and a lithium ion battery containing the negative electrode. The water-soluble polymer has relatively strong bonding force on the negative electrode material; the water-based polymer emulsion endows the polymer binder witha certain elasticity, and the cross-linking agent endows the binder with a three-dimensional molecular network structure, so that the toughness of the binder is enhanced, the damage of the volume change of active substances to an electrode plate structure in the charging and discharging process of the battery can be buffered, and the cycling stability of the lithium ion battery is maintained.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Electric coagulation forcep system with forcep point cleaning function

The invention discloses an electric coagulation forcep system with a forcep point cleaning function, which comprises a forcep body and a host for providing a power source to the forcep body, wherein the forcep body comprises forcep points and forcep rods. The electric coagulation forcep system is characterized in that a temperature detecting device is arranged on the forcep points, the temperature detecting device feedbacks the detected temperature to a chip in the host; and the chip compares the temperature with the preset temperature and then adjusts the power output by the forcep points to adjust the temperature of the forcep points. The system further comprises an electric coagulation forcep supporting seat, wherein the electric coagulation forcep supporting seat comprises a base, grooves matched with two forcep rods of the electric coagulation forcep is formed in the base, the lower parts of the grooves are provided with a hollow cavity capable of holding forcep points; an ultrasound cleaner is arranged in the hollow cavity, a singlechip and a position sensing device for judging whether the forcep rods are arranged in the grooves are further arranged on the base; and a finish detecting device used for detecting the finish of the insides of the forcep points is arranged in the hollow cavity. The electric coagulation forcep system with the forcep point cleaning function is simple in structure; and by using the electric coagulation forcep system, the temperature of the forcep points are automatically detected and adjusted, and the forcep points are automatically cleaned.
Owner:CHONGQING RUNZE PHARM CO LTD

Intermediate-high temperature acid-corrosion-resisting glass fiber treating compound and preparation method thereof

InactiveCN103964708AImprove temperature and weather resistanceGood adhesive properties and thermal stabilityPrepolymerEmulsion
The invention relates to an intermediate-high temperature acid-corrosion-resisting glass fiber treating compound and a preparation method thereof. The method comprises the following steps: putting bisphenol-A epoxy resin and benzoyl peroxide into a flask, and carrying out stirring and rising temperature; then dropwise adding methacrylic acid, and preserving heat; cooling the obtained product, adding paraxylene and dibutyltin dilaurate to continue to stir, dropwise adding vinyltriethoxysilane, and preserving heat to obtain a pale yellow modified epoxy resin prepolymer; adding deionized water and emulsifier into the flask, and then carrying out full stirring and heating for dissolving; adding the modified epoxy resin prepolymer slowly, and continuing to stir after dropwise adding; rapidly cooling the obtained film former emulsion to room temperature, then mixing the film former emulsion, a coupling agent, nanosilicon dioxide, a lubricating agent and an antistatic agent so as to obtain the glass fiber treating compound. The method has the benefit that the temperature resistance of a film former is improved. The treating compound can improve the performance retention rate of glass fiber reinforced plastics materials under the intermediate-high temperature acidic condition.
Owner:WUHAN UNIV OF TECH

High-conductivity low-temperature sliver paste and preparation method thereof

The invention discloses a high-conductivity low-temperature sliver paste and a preparation method thereof. The preparation method comprises the steps of successively mixing a high-toughness resin, a thickening agent, a flexibilizer and an organic solvent; successively adding a low-melting-point alloy, a soldering flux and conductive silver powder, and performing high-speed mixing for obtaining paste; and grinding the paste to the paste with fineness of 5-10 mu m, and obtaining the conductive sliver paste. The conductive silver paste prepared by the invention has advantages of high conductivity and high mechanical property. After the low-melting-point alloy is added, conductivity performance and hardness performance are greatly improved. Through adding appropriate amount of thickening agent and flexibilizer, diffusion performance and bending performance of a sliver strip can be effectively controlled. The low-temperature sliver paste prepared by the invention has advantages of effectively reducing silver content, improving conductivity and mechanical performance and greatly saving cost. The high-conductivity low-temperature sliver paste can be widely applied in the industries of a thin-film switch, a capacitive electrode, a touch screen, etc.
Owner:SUZHOU BETELY POLYMER MATERIALS CO LTD

Terminal shell, terminal and treatment method for dispensed surfaces of terminal shell

The invention provides a terminal shell. The terminal shell comprises the dispensed surfaces located on the two sides of the terminal shell, and viscous parts. The dispensed surfaces are each provided with multiple grooves. The grooves in the dispensed surfaces intersect to form a latticed structure. The viscous parts are arranged on the latticed structure formed by the grooves. According to the terminal shell, the grooves are formed in the dispensed surfaces on the two sides of the terminal shell, the grooves in the dispensed surfaces intersect to form the latticed structure, and the viscous parts are arranged on the latticed structure formed by the grooves, so that the contact area of the viscous parts on the dispensed surfaces is increased, and the terminal shell and other parts are easily fixed. In addition, due to the fact that the grooves are formed in the dispensed surfaces and the viscous parts can be arranged in the grooves, the viscous parts in the grooves can be further prevented from displacing accordingly, and the adhesion effect of the viscous parts is guaranteed. The invention further provides a terminal with the terminal shell and a treatment method for the dispensed surfaces of the terminal shell.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Hyperbranched silane modified polyurethane composite polysiloxane antifouling paint and preparation method thereof

The invention relates to a marine antifouling coating technology, and aims to provide a hyperbranched silane modified polyurethane composite polysiloxane antifouling coating and a preparation method thereof. The coating is a three-liquid type product, wherein the main paint is formed by mixing organopolysiloxane containing at least two condensation reactive groups, filler and a xylene solvent; thecross-linking curing agent is formed by mixing hyperbranched silane modified polyurethane, organosilane (which can be subjected to condensation reaction with condensation reactive groups of main paint resin), partial hydrolysate of the organosilane, and a xylene solvent; wherein the curing accelerator is formed by mixing a silane coupling agent, an organic tin catalyst and a xylene solvent. According to the present invention, the adhesion of the polysiloxane low surface energy antifouling finishing coat coating to the epoxy primer can be enhanced, and the low surface energy antifouling finishing coat has advantages of excellent fresh water resistance, salt and alkali corrosion resistance, long-term stable existence at the room temperature, environmental protection requirement meeting, andlow application cost; good rheological performance and film forming performance are achieved, and then good construction performance is achieved; the synthesis method is relatively simple and convenient for industrial production.
Owner:QUZHOU RES INST OF ZHEJIANG UNIV

Environment-friendly flame-retardant heat-conducting glue and preparation method thereof

The invention discloses environment-friendly flame-retardant heat-conducting glue and a preparation method thereof. The preparation method comprises the following steps: diluting a coupling agent by using absolute ethyl alcohol, regulating the pH value of the diluted solution, adding a heat-conducting filler, and mechanically stirring; centrifuging, washing, and drying, thereby obtaining a component A; uniformly mixing an epoxy resin, a curing agent and a curing accelerator by using a high-speed dispersion machine, thereby obtaining a low-viscosity component B; and uniformly grinding and mixing the component A, the component B, an organic phosphorus flame retardant and aluminum hydroxide, vacuumizing, heating the mixture at the temperature of 80-90 DEG C, and heating at the temperature of 130-150 DEG C, thereby obtaining the environment-friendly flame-retardant heat-conducting glue. The environment-friendly flame-retardant heat-conducting glue is low in viscosity, high in heat conductivity coefficient, good in mechanical property and high in acid-base resistance and corrosion resistance, the flame-retardant level reaches UL94V-0, the heat dissipation problem of a general electronic component can be solved; because the heat-conducting glue has good flame-retardant property, when the heat-conducting glue is applied to high-voltage and high-temperature electrical equipment, the on-fire potential safety hazard of the electronic component is effectively reduced.
Owner:中山沃硅化工科技有限公司

Determination method for migration components in nitrate ester plasticized polyether (NEPE) propellant bonding system

ActiveCN103207243AEnsure the quality of developmentGuaranteed bonding effectComponent separationPtru catalystEngineering
The invention relates to a determination method for migration components in an NEPE propellant bonding system used in the field of aviation fuels. The determination method comprises the following experimental steps: preparation of a to-be-detected sample; determination of detection objects and detection conditions; drafting of an external standard calibration curve; formation of a detection data list; etc. According to the method, a plurality of migration components in the NEPE propellant bonding system are detected, wherein the components comprise a plasticizer nitroglycerine (ND), a plasticizer butanetriol trinitrate (BTTN), an amine stabilizing agent (AD) and a curing catalyst triphenyl bismuth (TPB). The determination method is extensively applicable to qualitative and quantitative detection of a solid rocket and an energetic material used in space and missile technologies and can effectively reduce sample treatment risks, simplify the process of measurement and analysis, reduce data processing errors and save experimental expenses for detection. Moreover, the following advantages are obtained: the determination method is simple and practicable, experimental process is convenient to popularize, repeatability of detection data is good, and data processing is accurate and reliable.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY

High-covering black UV silkscreen printing ink

The invention discloses a high-covering black UV silkscreen printing ink. A preparation method for the high-covering black UV silkscreen printing ink comprises the following steps: preheating acrylate and then mixing the preheated acrylate with a part of active monomer; then adding a dispersant and carrying out primary dispersion; then successively adding pigment and a filling material and carrying out secondary dispersion; carrying out grinding to obtain color paste; mixing a phosphine oxide photoinitiator with residual active monomer; and adding the color paste, an organosilicon antifoaming agent and an organosilicon leveling agent and carrying out uniform dispersion so as to obtain the high-covering black UV silkscreen printing ink. The high-covering black UV silkscreen printing ink provided by the invention is reasonable in composition; all the components are in good compatibility; and the prepared printing ink has excellent comprehensive properties and good storage performance, and the viscosity of the printing ink is suitable for silkscreen printing. The printing ink does not need increase in the usage amounts of components like carbon black, prevents unfavorable influence of the components on the appearance and light shading performance of a product, and can meet light shading requirements of the product after only one printing and under the condition of a thickness of 7 to 8 micrometers, so unexpected technical effects are obtained.
Owner:SUZHOU BETELY POLYMER MATERIALS CO LTD

Electric coagulation forceps system with supporting seat and function of automatically adjusting temperature of forceps tips

The invention discloses an electric coagulation forceps system with a supporting seat and a function of automatically adjusting a temperature of forceps tips. The electric coagulation forceps system is characterized by comprising an electric coagulation forceps body, a main machine for providing a power supply for the forceps body, and the supporting seat, wherein the forceps body comprises forceps rods and the forceps tips; the electric coagulation forceps system further comprises a current detection device for detecting the current between the forceps tips and a voltage detection device for detecting the voltage between the forceps tips; impedance of a material between the forceps tips is calculated according to a voltage-to-current ratio; output power of electric energy at the forceps tips is gradually reduced by the main machine along with gradual increment of the impedance; the supporting seat comprises a base; grooves matched with the two forceps rods of an electric coagulation forceps are arranged on the base; cavities for receiving the forceps tips are arranged at lower parts of the grooves; a main control chip and a position sensor are also arranged on the base; and a baffle frame is arranged between the two grooves. The electric coagulation forceps system is simple in structure; and the temperature of the forceps tips is controlled to be in a certain range by detecting the impedance between the forceps tips in real time, so that a bonding effect of the electric coagulation forceps is guaranteed and overheat phenomenon is avoided.
Owner:CHONGQING RUNZE PHARM CO LTD

Diamond wire saw rubber injection molding method

The invention discloses a diamond wire saw rubber injection molding method. The diamond wire saw rubber injection molding method includes the following steps that (a) the containing position of a string bead serving as a positioning ball of a to-be-machined diamond rubber rope saw of a next cavity in an injection molding cavity is subject to isolation treatment; (b) the position of the positioning ball is subject to cooling and temperature measurement, and a next working process is executed until the position of the positioning ball reaches the preset temperature; (c) the string bead is sequentially subject to sand blasting, K coating and prepared wire treatment; (d) a prepared wire saw is tensioned, and the string bead is distributed at the corresponding position in the injection molding cavity for waiting for glue injection vulcanization; (e) the to-be-machined diamond rubber wire saw in the injection molding cavity is subject to injection vulcanization, machining of the to-be-machined diamond rubber wire saw in the section is completed; and (f) the string bead in the section of the to-be-machined diamond rubber wire saw serves as the positioning ball of the next section to position the next section of the to-be-machined diamond rubber wire saw in the injection molding cavity, the step d to step e are repeatedly executed, and injection molding of the diamond rubber wire saw is completed and so on. The bonding effect is guaranteed.
Owner:长沙百通新材料科技有限公司

Rapid-melted copolyester hot melt glue and preparation method thereof

The invention discloses rapid-melted copolyester hot melt glue and a preparation method thereof. Main materials of the rapid-melted copolyester hot melt glue comprise diacid and diol, wherein diacidis prepared from a mixture of terephthalic acid, isophthalic acid and 1,6-adipic acid in a mole ratio being 1:(0.3-0.4):(0.15-0.3), diol is prepared from a mixture of 1,4-butanediol, ethanediol, diglycol and 1,6-hexanediol in a mole ratio being 1:(0.2-0.4):(0.5-0.7):(0.15-0.2), and a mole ratio of diacid to diol is 1:1.5; auxiliary materials of the rapid-melted copolyester hot melt glue comprise a catalyst and an antioxidant. By means of design for a unique raw material ratio, especially a ratio of the main materials, and no addition of novel additives, a copolyester hot melt glue product is directly prepared through conventional one-step esterification and a one-step polycondensation reaction, the melting time of the copolyester hot melt glue product is greatly shortened on the premise that the binding performance of the product is guaranteed and industrial coating is facilitated, so that the copolyester hot melt glue product is more suitable for being applied to the field of textile lining cloth, production efficiency of the application implementing field is improved, and energy consumption is reduced.
Owner:KUNSHAN TIANYANG HOT MELT ADHESIVE CO LTD +2
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