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51results about How to "Eliminate static charge" patented technology

Antistatic silicon rubber and preparation method thereof

ActiveCN105086470AImprove mechanical propertiesAntistatic, stable and long-lastingCompression moldingPolymer science
The invention discloses antistatic silicon rubber mainly prepared from raw materials comprising the following components: (a) 100 parts of raw silicon rubber, (b) 20-60 parts of packing, (c) 0.5-3 parts of a vulcanizing agent, (d) 5-20 parts of a structure control agent, (e) 2-7 parts of an antistatic agent, (f) 0-0.5 part of a release agent and (g) 0-2 parts of a coupling agent. The invention also provides a preparation method of the antistatic silicon rubber. The preparation method comprises the steps of mixing the raw silicon rubber and an adjuvant; then, carrying out extrusion molding or compression molding; and next, vulcanizing and shaping. The silicon rubber disclosed by the invention overcomes the defects that the compatibility of the antistatic agent and the silicon rubber in the existing silicon rubber is poor and the antistatic effect is difficultly kept long; and the preparation method of the antistatic silicon rubber is also simple and capable of easily realizing industrialization.
Owner:SHENZHEN SELEN SCI & TECH CO LTD

Electrostatic eliminating and cleaning device for carrier band

The invention discloses an electrostatic eliminating and cleaning device for a carrier band. The electrostatic eliminating and cleaning device comprises two function spaces, namely, an electrostatic eliminating chamber and a dedusting cleaning chamber. The technical scheme is that foreign matters like dust with certain adhesive force on the surface of the carrier band are firstly brushed away through a brush, then, electrostatic charges on the surface of the carrier band are neutralized through ionic wind, spray dedusting is carried out through high-speed high-pressure clean compressed air, and the foreign matters like dust are collected through negative pressure. The electrostatic eliminating and cleaning device has a self-cleaning function.
Owner:SHANGHAI XINPAI ELECTRONICS TECH CO LTD

Static discharge protective circuit and display device comprising same

The invention discloses a static discharge protective circuit and a display device comprising the static discharge protective circuit. The static discharge protective circuit comprises a first thin film transistor and a second thin film transistor which are depletion type thin film transistors; the gate electrode of the first thin film transistor is connected with a second electrical level wire, the drain electrode of the first thin film transistor is connected with a first electrical level wire, and the source electrode of the first thin film transistor is connected with a signal wire; and the gate electrode of the second thin film transistor is connected with the first electrical level wire, the drain electrode of the second thin film transistor is connected with the second electrical level wire, and the source electrode of the second thin film transistor is connected with the signal wire. In normal operation state, the static discharge protective circuit can effectively prevent thesignal wire from discharging a large amount of current and ensure internal arrays in the display device to operate normally; and when static electricity is generated, the static charges accumulated in the signal wire can be quickly released, and the internal arrays in the display device are protected from static damage. According to the static discharge protective circuit and the display device, the depletion type thin film transistors with low cost are adopted to realize static discharge, the production cost of the static discharge protective circuit is reduced, and the production cost of the display device comprising the static discharge protective circuit is accordingly reduced.
Owner:BOE TECH GRP CO LTD

Thin film transistor (TFT)-liquid crystal display (LCD) array substrate and production method thereof

The invention provides a thin film transistor (TFT)-liquid crystal display (LCD) array substrate and a production method of the TFT-LCD array substrate. Comb teeth of a comb-shaped repairing wire and comb teeth of a comb-shaped common electrode wire are arranged in an opposite mode, tail ends of the comb teeth of the comb-shaped repairing wire and the comb teeth of the comb-shaped common electrode wire are in a sharp shape, electrostatic charge on the repairing wire is removed by utilizing of a point discharge effect, the problem that a grid insulation layer separated by a data line is punctured to cause short circuits of the data line and the repairing wire due to the fact that too much electrostatic charge is gathered on the repairing wire is solved, and reliability and yield of a thin film transistor liquid crystal display are improved. Especially, the electrostatic charge gathered on the repairing wire is guided into the common electrode wire and is effectively removed by utilizing connection of the common electrode wire and a fixed potential.
Owner:深圳市海云通信有限公司

Safety interlocking control system for crane position loading

InactiveCN104773701AExtend static discharge timeReduce instantaneous static energyLiquid transferring devicesAutomotive engineeringPetrochemical
The invention relates to a safety interlocking control system for crane positioning loading. The safety interlocking control system comprises a human body electrostatic elimination module for realizing safety discharge of static electricity of a human body, a vehicle electrostatic elimination module for realizing safety discharge of static electricity of a vehicle, a crane pipe homing detection module for detecting a crane pipe position, an oil overflow alarm module for detecting the liquid level of an oil product, a control module for receiving signals from all the modules and making judgment processing on the signals and an actuating mechanism which is controlled by the control module and is used for controlling whether to carry out an oil filling operation. The safety interlocking control system is applicable to oil distribution crane positions of all gasoline and diesel oil in the petrochemical industry; a large number of electrostatic charges carried by a driver and the vehicle are eliminated through eliminating the static electricity of the human body and eliminating the static electricity of the vehicle, and thus a great potential safety hazard in the whole oil distribution process is eliminated. Pollution and waste caused by overflowing of the oil product are avoided through crane pipe homing detection and oil overflow alarm detection.
Owner:SHANDONG JINGBO PETROCHEM

Turbonator grounding device and method

The invention discloses a turbonator grounding device and method. The turbonator grounding device comprises an RC unit and an electric brush unit, wherein one end of the RC unit is grounded, the other end of the RC unit is connected with the electric brush unit, and the electric brush unit is in electrical contact with an end axle of an exciting dynamo of a turbonator. By means of the technical scheme, since the RC unit is arranged between the end axle of the exciting dynamo of the turbonator and the ground, resistance can effectively eliminate electrostatic charges to reduce shaft currents; the adding of capacitance can reduce the specific value of shaft-to-ground capacitance and shaft-to-ground voltage, so that a high-frequency voltage peak is reduced.
Owner:CHINA SHENHUA ENERGY CO LTD +2

Method for eliminating electrostatic charge, and substrate unloading method

The invention provides a method for eliminating electrostatic charges, and a substrate unloading method. The method for eliminating electrostatic charges comprises the steps of: blowing a first gas to the back surface of a substrate so that a gap exists between the substrate and an electrostatic chuck; and introducing a second gas into a chamber and activating the second gas to form plasma. The method for eliminating electrostatic charges and the substrate unloading method provided by the invention can ensure that substrate bonding cannot occur in subsequent substrate unloading, thereby preventing the substrate from being crushed due to substrate bonding or smashed by a mechanical arm when the substrate is inclined, and ensuring the reliable and safe operation of the substrate unloading process.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Cotton-network guide device of combing machine

InactiveCN1912204AStable outputAvoid fluttering phenomenonCombing machinesMechanical engineeringLine structure
The invention relates to a discloses comber cotton fleece guiding device. It includes detaching roller, detaching leather roller, and cotton guiding plate whose upper is set guide rod set at the front of the detaching roller and leather roller and can support leather roller pressing seat by its arm. The cross-section of the cotton guiding plate is broken line structure whose back end is close to the front detaching roller and leather roller and front end is extended to cotton fleece to input roller press roll. The cotton fleece guiding device can effectively prevent the cotton fleece enwinding the detaching leather roller to make cotton fleece input smooth to ensure its quality. It is especially fit for high clamp hypo-comber.
Owner:DONGTAI TEXTILE MASCH CO LTD

Grounded pressure transmitter

The invention discloses a grounded pressure transmitter. The grounded pressure transmitter comprises a cylindrical elastic element; the cylindrical elastic element is connected with four-core cables in turn through a fluoro-rubber sealing ring, a metal outer pipe and a Hirschmann connector; the cylindrical elastic element is connected with an insulating ring, a binding plate, a functional plate and a protective plate in turn; the insulating ring, the binding plate, the functional plate and the protective plate are all arranged in the metal outer pipe; the functional plate is provided with radiating fins; the cylindrical elastic element is provided with a structural stress groove and a welding stress groove; the interior of the cylindrical elastic element is connected with a damper; the cylindrical elastic element is also provided with a support ring, the inner edge of the support ring is stuck with the protective plate to form a whole, and the outer edge of the support ring is contacted with the metal outer pipe; and the metal outer pipe is directly connected with a ground wire. The grounded pressure transmitter effectively reduces the influence of electromagnetic interference and rise and fall of working environmental temperature on the test result, is favorable for improving the measurement precision, and has a simple structure and low manufacturing cost.
Owner:陈旭财

Preparation device of lithium ion battery anode silicon-carbon composite material

ActiveCN111744626APressure monitoringTo achieve the effect of reducing blood pressureNegative electrodesSecondary cellsCarbon compositesElectric machinery
The invention discloses a preparation device of a lithium ion battery anode silicon-carbon composite material, and relates to the technical field of battery manufacturing. The preparation device of the lithium ion battery anode silicon-carbon composite material includes a machine body, the bottom of the machine body is welded with a base, and the top of the machine body is welded with a cylinder.The top of the inner wall of the cylinder is fixedly provided with a driving motor. An output shaft of the driving motor is fixedly connected with the top end of a driving rod through a coupling. Thetop of the machine body is provided with a material groove. The bottom end of the driving rod is fixedly provided with a grinding ball protection mechanism. The preparation device of the lithium-ion battery anode silicon-carbon composite material is operating based on the cooperation of the grinding ball protection mechanism and an attached powder scraping mechanism. The device can effectively reduce the high temperature generated during the working process of a grinding ball. At the same time, the grinding ball protection mechanism eliminates a static charge on the surface of the grinding ball. The simultaneous operation of the attached powder scraping mechanism can form a continuous and intermittent barrier between powder and the grinding ball.
Owner:宁波启新精合新能源研究院有限公司

Friction orientation device

The embodiment of the invention provides a friction orientation device, and relates to the technical field of display. Static charges accumulated on surface fluff when the friction orientation devices carries out friction orientation on a substrate to be orientated can be eliminated in time, an ESD phenomenon is effectively prevented from happening to the substrate, and the product yield can be improved after friction orientation of the substrate. The friction orientation device comprises a carrying table for bearing the substrate to be orientated and a friction roll above the carrying table, the friction roll comprises a roll shaft and friction cloth attached to the roll shaft, the roll shaft can rotate in the axis direction of itself, and friction fluff for rubbing the substrate to be orientated is arranged on the surface of the friction cloth. The friction orientation device further comprises a static eliminating unit. The static eliminating unit is in contact with the friction fluff of at least partial area of the surface of the friction cloth. The friction orientation device is used for manufacturing of friction orientation devices.
Owner:BOE TECH GRP CO LTD +1

Wafer cleaning device

The invention discloses a wafer cleaning device. The wafer cleaning device comprises a rotary chamber, a rotating assembly, an electric sensor and a soft X-ray ionizer; the rotating assembly is arranged in the rotating chamber, the rotating assembly comprises a rotating table, and a suction cup is arranged on the rotating table and used for sucking a wafer so that the wafer can rotate along with rotation of the rotating table; the electrostatic sensor is used for sensing whether electrostatic charges exist on the wafer or not; and the soft X-ray ionizer is arranged above the wafer, and when the electrostatic sensor senses that the electrostatic charge exists on the wafer, the soft X-ray ionizer irradiates soft X-rays to the wafer to ionize air in the rotating chamber so as to eliminate the electrostatic charge on the wafer. By the mode, static electricity generated on the wafer can be effectively eliminated.
Owner:XIA TAI XIN SEMICON QING DAO LTD

Engine combustion-supporting energy-saving device and vehicle

The embodiment of the invention discloses an engine combustion-supporting energy-saving device and a vehicle. The engine combustion-supporting energy-saving device comprises a shell, a first electrode, a second electrode, a conductive shaft, a support and a toothed ring, wherein the conductive shaft is fixed into the shell through the support; the toothed ring is fixed onto the conductive shaft; one end of the conductive shaft stretches out of the shell; the first electrode is arranged on the conductive shaft and is located in the shell; the second electrode is embedded into the wall of the shell; and the first electrode and the second electrode are electrically connected with an output end of a high-voltage power supply and are made of carbon fiber materials. According to the engine combustion-supporting energy-saving device, static charges in air and oil gas are effectively eliminated, and air and a fuel are sufficiently mixed uniformly, so that the combustion efficiency of the fuelis improved, the utilization rate of the fuel oil is improved, and the emission load is reduced.
Owner:正道新能源科技有限公司

Solar cell grounding device and method

The invention discloses a solar cell grounding device and method. The solar cell grounding method comprises the following steps of A, utilizing a DC (direct current) power supply to detect the DC output voltage of a photovoltaic module; B, carrying out step C when the DC output voltage of the photovoltaic module is higher than a predefined threshold and carrying out step D if the DC output voltage of the photovoltaic module is lower than the predefined threshold; C, enabling the DC output cathode of the photovoltaic module to be grounded through a resistor; D, enabling the DC output cathode of the photovoltaic module to be directly grounded. According to the solar cell grounding device and method, the DC power supply is used for detecting the working state of the photovoltaic module, when the photovoltaic module does not work, the output voltage of the DC power supply cannot make a relay to operate, the DC output cathode of the photovoltaic module is directly grounded, electrostatic charges are eliminated, and attenuation of the photovoltaic module can be avoided. When the photovoltaic module works normally, the output power supply of the DC power supply enables the relay to operate, the DC output cathode of the photovoltaic is grounded through the resistor, and the normal operation of the photovoltaic can be guaranteed.
Owner:刘继茂

Fireproof and flame retardant aramid fiber filter material base cloth

The invention discloses fireproof and flame retardant aramid fiber filter material base cloth. The fireproof and flame retardant aramid fiber filter material base cloth comprises a base cloth body; aplurality of uniformly distributed transverse wefts are sewed in the base cloth body; a plurality of uniformly distributed vertical warps are sewed in the base cloth body; the connecting parts of theplurality of wefts and the plurality of warps are connected with each other through connecting pieces; primary tensile fiber filaments and secondary tensile fiber filaments are sewed between the adjacent connecting pieces through a needle and a thread; the primary tensile fiber filaments and the secondary tensile fiber filaments are arranged in a crossed manner; a aramid fiber mesh layer is bondedon the upper surface of the base cloth body through a bonding agent. As stainless steel fiber conductive yarns are additionally arranged, a transferring passage is available for static electricity torealize an anti-static effect; in addition, anaphylaxis of a user, which is caused because a fabric is uneasy to adsorb dust or pollen due to frictional electrification, is avoided; in addition, an anti-static fiber possesses excellent washing fastness, bending resistance and wear resistance; therefore, the anti-static fabric is easy to take care and is durable.
Owner:江苏汇达森环保材料有限公司

A kind of antistatic silicone rubber and preparation method thereof

ActiveCN105086470BImprove mechanical propertiesAntistatic, stable and long-lastingCompression moldingAntistatic agent
The invention discloses antistatic silicon rubber mainly prepared from raw materials comprising the following components: (a) 100 parts of raw silicon rubber, (b) 20-60 parts of packing, (c) 0.5-3 parts of a vulcanizing agent, (d) 5-20 parts of a structure control agent, (e) 2-7 parts of an antistatic agent, (f) 0-0.5 part of a release agent and (g) 0-2 parts of a coupling agent. The invention also provides a preparation method of the antistatic silicon rubber. The preparation method comprises the steps of mixing the raw silicon rubber and an adjuvant; then, carrying out extrusion molding or compression molding; and next, vulcanizing and shaping. The silicon rubber disclosed by the invention overcomes the defects that the compatibility of the antistatic agent and the silicon rubber in the existing silicon rubber is poor and the antistatic effect is difficultly kept long; and the preparation method of the antistatic silicon rubber is also simple and capable of easily realizing industrialization.
Owner:SHENZHEN SELEN SCI & TECH CO LTD

Electrostatic dust removing rod

InactiveCN108246725ARemove attractionEliminate conductive spikesElectrostatic cleaningCurrent limitingHigh pressure
The invention provides an electrostatic dust removing rod. The electrostatic dust removing rod comprises a main rod body, a handle and a solution cavity. The main rod body is composed of a hollow insulating rod, and the interior of the main rod body is provided with a conductive shaft in the axis; and metal needle groups are equidistantly distributed on the conductive shaft, and each of the metalneedle groups includes metal needles circumferentially and uniformly distributed around the conductive shaft. A high-voltage power supply module is disposed in the handle, the output end of the high-voltage power supply module is electrically connected to the conductive shaft, and the other one output electrode of the high-voltage power supply module is electrically connected to a metal contact area on the handle after passing through a current limiting resistor. A conducting solution is stored in the solution cavity, and the solution cavity is connected with a hollow inner cavity of the mainrod body through a manual valve; and after the manual valve is opened, the conducting solution in the solution cavity flows into and fills the hollow inner cavity of the main rod body. According to the electrostatic dust removing rod, the electrostatic effect can be easily eliminated after absorbing dust, the dust adsorbed on the dust removing rod is easily detached, and the electrostatic dust removing rod is easy to operate.
Owner:钱月珍

High-cleanliness gasoline as well as production method and device thereof

InactiveCN103275770ALow in SColloidal lowMixer accessoriesLiquid carbonaceous fuelsChemistryNaphtha
The invention discloses high-cleanliness gasoline as well as a production method and device thereof. The gasoline comprises the components as follows: light naphtha, heavy aromatics, light aromatics, MTBE (methyl tert-butyl ether), an antiknock agent and a gasoline detergent. The production method of the gasoline comprises the steps as follows: the light naphtha, the heavy aromatics, the light aromatics and the MTBE are added into a mixing container according to the preset proportion sequentially; the antiknock agent is added after the mixture is stirred for one hour; an octane value is adjusted; the gasoline detergent is added; and the mixture is subjected to still standing for eight hours after stirred for one hour. The production device of the gasoline is formed by connecting a raw material injection device, a mixing device and a condensing device. The high-cleanliness gasoline is low in sulfur, colloid and benzene content, safe and environment-friendly in production chain and safe and energy-saving.
Owner:杨平

Waterborne anti-static epoxy floor paint and preparation method thereof

The invention discloses a water-based anti-static epoxy floor paint and a preparation method thereof. The epoxy floor paint comprises component A slurry and component B slurry; the component A slurry is prepared from the following raw materials in parts by weight: 82 to 90 parts of bisphenol A epoxy resin and 12 to 20 parts of reactive diluent; and the component B slurry is prepared from the following raw materials in parts by weight: 50 to 62 parts of waterborne epoxy curing agent, 8 to 12 parts of composite conductive material, 0.1 to 2 parts of defoaming agent and 0.05 to 2 parts of flatting agent. The waterborne epoxy curing agent has the excellent effects that (1) the emulsifying and curing rates are effectively balanced, and the waterborne epoxy curing agent with double functions of emulsifying and curing is obtained; (2) the three-dimensional structure of the composite conductive material is utilized to increase the flow and permeation of the liquid resin; the dispersity of the composite conductive material is improved; an effective conductive network is constructed, electrostatic charges are eliminated, and the anti-static property is improved; the water-based epoxy curing agent is assisted to solve the problem of stress concentration; and the page interaction is increased, and the mechanical property is improved.
Owner:辽宁鹏维化工制漆有限责任公司

Composite edible salt anti-caking agent and preparation method thereof

InactiveCN107019200AInsufficient concealment abilityCover up blemishesFood ingredient as anti-caking agentFoaming agentFood safety
The invention discloses a composite edible salt anti-caking agent and a preparation method thereof. The composite edible salt anti-caking agent is prepared from silicon dioxide, magnesium carbonate and tricalcium phosphate; the weight percent of the silicon dioxide, the magnesium carbonate and the tricalcium phosphate in the total weight of the anti-caking agent is 0.01 to 5.0 percent; and a particle size range of the silicon dioxide, magnesium carbonate and tricalcium phosphate is 0.005 to 5.00 meshes, and a weight ratio of the anti-caking agent to edible salt is 0.05 to 9.0 percent. By adopting the composite edible salt anti-caking agent and the preparation method thereof, a novel choice is provided for the edible salt enterprises in China to solve the novel and safe anti-caking agent without hidden dangers, and the psychological panic of people caused by the food safety problem of the traditional edible salt anti-caking agent can be solved.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

Anti-radiation screen cleaning agent

The invention provides an anti-radiation screen cleaning agent, which is composed of the following components by mass: 3-8 parts of an anti-radiation component, 50-80 parts of a surfactant, 6-12 parts of a wetting agent, and 0.5-1 part of a film-forming auxiliary agent. After use, the cleaning agent can effectively remove the static charge on the screen and form a protective film on the screen surface, and can continuously and effectively protect electromagnetic radiation.
Owner:大连市西岗区众源生办公设备商行

Device for eliminating internal stress of paper web

The invention relates to the technical field of paper web production, and in particular relates to a device for eliminating internal stress of a paper web, the device comprises a box body, and furthercomprises an ionizer, an input limiting roller, a preheating piece, a reverse bending roller, an output limiting roller and a driving component which are sequentially arranged in the box body along the conveying direction, wherein the reverse bending roller is positioned below the preheating piece and the output limiting roller; the driving component comprises a first rotating shaft rotationallyconnected to the box body and a driving source for driving the first rotating shaft to rotate; a single sheet of paper in an external paper web sequentially passes through the ionizer, the input limiting roller, the preheating piece, the reverse bending roller, the output limiting roller and the first rotating shaft under the drive of the driving source to finish eliminating the internal stress ofthe paper web and then enters a next working procedure; by arranging the ionizer, the preheating piece and the reverse bending roller in the box body, static charge, bending stress and moisture in the paper web are eliminated in the process of unfolding the paper web, the performance of the paper web is restored, and the flatness of the paper web in the subsequent transverse cutting working procedure is ensured.
Owner:DONGGUAN JUNXING MACHINERY TECH

Semi-contact crease-resistant automatic clothes folding machine

The invention discloses a semi-contact crease-resistant automatic clothes folding machine which comprises a rack. Two first clothes folding assemblies are arranged at the top of the rack; a switching assembly is further arranged in each first clothes folding assembly; the switching assemblies are further communicated with the first clothes folding assemblies through exhaust pipes; the edge of the bottom of each first clothes folding assembly is hinged to the edges of the faces, close to the edge of the bottom of each first clothes folding assembly, of supporting assemblies; and the supporting assemblies are slidably connected into first sliding connecting grooves formed in the top of the rack. According to the semi-contact crease-resistant automatic clothes folding machine provided by the invention, by designing the first clothes folding assemblies, the exhaust pipes and the supporting assembly, gas flowing through a first transfer cylinder can be ionized to generate negative ions, and negative ion wind can eliminate static charges in clothes after entering the clothes; and by means of the flapping action, dust in the clothes and bacteria mixed in the dust can be discharged, so that the cleanliness of the to-be-folded clothes is effectively guaranteed, and damage of the static charges to the clothes and a human body can be avoided to a certain degree.
Owner:XUCHANG UNIV +1

Anti static circle of suction and collection in use for tighness spinning

An antistatic sucking-collecting tubular ring for dense spinning is made up of wefts and warps through braiding. It features that at least one of wefts and / or warps is electrically conductive, and on its surface there are two drive region at its both end and a middle sucking-collecting region with dense holes. Its advantages are good synchronization between said tubular ring and its drive wheel, and not blocking said holes because of high antistatic effect.
Owner:无锡莱福纶生物材料有限公司

Oil transportation pipeline static electricity eliminator

The invention discloses an oil transportation pipeline static electricity eliminator which comprises a metal pipe, wherein both ends of the metal pipeline are connected with an oil transportation pipeline through a transition pipeline; a plurality of multirhombic electricity eliminating needles are axially arranged on the inner wall of the metal pipeline at intervals; and all rhombic edges of the multirhombic electricity eliminating needles form a blade point. Preferably, the multirhombic electricity eliminating needles are installed and fixed on the inner wall of the metal pipeline by an insulating base. Furthermore, the multirhombic electricity eliminating needles are three-rhombic electricity eliminating needles or four-rhombic electricity eliminating needles. Due to the adoption of the invention, electrostatic charges near the front of the needle points can be eliminated, static electricity between the needle points and the pipeline can be eliminated, therefore, the static electricity of oil transportation is controlled in a safety value. Meanwhile, the oil transportation pipeline static electricity eliminator has the advantages of simple structure, safe and reliable electricity elimination and long service life.
Owner:WUHAN UNIV OF TECH

Method for removing electrostatic charges on surface of wafer

The invention discloses a method for removing electrostatic charges on the surface of a wafer, and the method comprises the following steps: S1, carrying out preprocessing on the surface of the waferrotating at a set speed, and releasing static electricity through the rotating current lead of the wafer; and S2, cleaning the surface of the wafer. According to the invention, the cleaning liquid canbe prevented from instantaneously contacting the surface of the wafer during wafer cleaning and the electrostatic breakdown effect is prevented from being generated on the surface of the wafer due tohigh-speed rotation of the wafer, so that electrostatic charges on the surface of the wafer can be thoroughly removed.
Owner:SHANGHAI HUALI INTEGRATED CIRCUTE MFG CO LTD

A disposable absorbent product

A disposable absorbent product, comprising from top to bottom a liquid-permeable top layer, an absorbent core, a liquid-impermeable bottom layer and a syndiotactic release film, the syndiotactic release film includes a non-release area (1) and a release area (2), characterized in that: the non-release zone (1) contains matte polyolefin resin, α-olefin polymer resin produced by metallocene and C4-C14 polyolefin resin produced by Z-N catalyst; the release zone ( 2) Contains C4‑C14 polyolefin resin produced by fluorosilicone resin and Z‑N catalyst. The non-release area (1) of the syndiotactic release film has heat sealing strength ≥ 2.5N / inch, glossiness <30%, peeling force of the release area (2) is 10.0-20gf / inch, and residual adhesion rate of the release film ≥80%. Compared with the prior art, the syndiotactic release film has the effects of surface matting, antistatic, high heat-sealing strength, release and anti-adhesion, and can effectively prevent adhesive loss or adhesive transfer of sanitary products.
Owner:FUJIAN HENGAN HLDG CO LTD +2

High-dust-proof high-heat-preservation pesticide-resistant PO film functional master batch, five-layer co-extrusion PO film and preparation method thereof

The invention belongs to the technical field of agricultural film preparation, and particularly relates to a high-dust-proof high-heat-preservation pesticide-resistant PO film functional master batch, a five-layer co-extrusion PO film and a preparation method thereof. The high-dust-proof high-heat-preservation pesticide-resistant PO film functional master batch is composed of an outer-layer dust-proof long-life master batch, a secondary outer-layer infrared barrier master batch, a middle-layer heat-preservation master batch, a secondary inner-layer infrared barrier master batch and an inner-layer polar master batch. The secondary outer-layer infrared barrier master batch and the secondary inner-layer infrared barrier master batch both contain transparent heat preservation agents, and the middle-layer heat preservation master batch contains EVA resin. The invention also provides a five-layer co-extrusion PO film prepared from the PO film functional master batch and a preparation method thereof. The five-layer co-extrusion PO film is a multifunctional film integrating aging resistance, dust prevention, high heat preservation, high light transmittance, friction resistance and pesticide resistance. The invention provides the preparation method of the five-layer co-extrusion PO film functional master batch with high dust prevention, high heat preservation and pesticide resistance, and the preparation method is scientific, reasonable, simple and easy to implement.
Owner:SHANDONG QINGTIAN PLASTIC IND
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