16results about How to "Excellent peelability" patented technology

This disclosure relates to the field of polymer emulsions, specifically to a method for preparing a peelable emulsion. The method includes: reacting glycidyl methacrylate, amino-terminated silicone oil, and sodium flakes at room temperature with stirring in the dark, and filtering to obtain double-bond modified silicone oil; separating a vinyl monomer into a first monomer and a second monomer, and dispersing the double-bond modified silicone oil in the first monomer to obtain a third monomer; preparing a pre-emulsion by ultrasonic emulsification of the second monomer, an emulsifier, and water; adding the pre-emulsion, an aqueous solution of the crosslinking monomer, and an aqueous solution of the first ammonium persulfate to a reaction vessel to form a core-phase emulsion; adding the third monomer and the aqueous solution of the second ammonium persulfate dropwise into the core-phase emulsion to form a core-shell emulsion; naturally cooling the core-shell emulsion, adjusting the pH to 7-8 with ammonia, and filtering to obtain a peelable emulsion. The method for preparing a peelable emulsion provided in this disclosure aims to overcome problems such as weakened peelable coating performance caused by excessive use of release agents.

The application provides a peeling device for photovoltaic module disassembly and photovoltaic module disassembly equipment, and relates to the technical field of photovoltaic module recycling, comprising a horizontal frame, wherein a heating plate is arranged on the horizontal frame; a support beam frame is arranged above the heating plate; the support beam frame is connected with the horizontal frame through a horizontal moving assembly; a component fixing beam is arranged on the support beam frame; a tool seat and a tool seat moving unit are arranged on the component fixing beam, the tool seat moving unit drives the tool seat to move left and right along the component fixing beam, a peeling knife is fixedly connected to the tool seat; a guide knife is fixedly connected to the bottom of the component fixing beam, and the blade of the guide knife is located above the blade of the peeling knife. The photovoltaic module disassembly equipment comprises the peeling device for photovoltaic module disassembly. The peeling device for photovoltaic module disassembly can not only completely peel the crystalline silicon cell layer, but also improve the peeling speed, so that the peeling device has the advantages of good peeling effect and high peeling efficiency.

The application belongs to the technical field of etching liquid, and particularly relates to a photoresist stripping liquid for OLED, a preparation method and application thereof. The photoresist stripping liquid comprises, with the total mass of the formula being 100%, 1-10% of organic alcohol amine, 2-5% of amidino compound, 0.1-3% of polyol, 0.01-0.2% of betaine type corrosion inhibitor, and the rest is organic solvent. The photoresist stripping liquid for OLED has excellent stripping performance and good protection effect on the Al layer. The photoresist stripping liquid is particularly suitable for stripping requirements of OLED devices containing Al, can safely strip the photoresist which is cross-linked and carbonized after solidification, and at the same time protects the Al process in the OLED device from being corroded, and has good application prospect.

This invention relates to the field of wastewater treatment technology, and in particular to a microfiltration wastewater treatment device for industrial wastewater turbidity removal. The device includes a treatment cylinder and an L-shaped wastewater pipe installed at the top of the treatment cylinder. A swinging filter assembly is installed at the top inner part of the treatment cylinder. The swinging filter assembly shakes and filters the wastewater. The swinging filter cartridge within the swinging filter assembly swings and moves the filtered impurities. During the swinging process, the swinging filter assembly throws out the wastewater while simultaneously causing the filtered impurities to flow. This invention achieves dynamic separation through swinging filtration, combined with real-time self-cleaning via rotating scraping. The filter cartridge is automatically cleaned by a torsional brush assembly. A fixed filter cartridge with a blocking filter assembly effectively blocks filtration and also possesses a self-cleaning function. This allows for the simultaneous and continuous execution of filtration and cleaning processes, significantly improving wastewater turbidity removal efficiency and the stability and durability of the equipment operation.

The utility model discloses an electrolytic manganese cathode plate beating device which comprises hammer plates symmetrically arranged on the two sides of a cathode plate, a beating hammer head and a cushion hammer head are alternately arranged on the hammer plate on each side, and the height of the beating hammer head is larger than that of the cushion hammer head. And the striking hammer heads and the cushion hammer heads on the hammer plates on the two sides are distributed in a complementary manner by taking the symmetric central plane of the cathode plate as a reference, so that a multi-point combined striking structure is formed. The hammer plate is connected with the driving mechanism through a flexible connecting assembly, and the flexible connecting assembly comprises a plurality of elastic supporting arms and is used for self-adaptively adjusting the contact and stress state between the hammer head on the hammer plate and the cathode plate. According to the utility model, the two sides of the cathode plate are simultaneously knocked, so that the cathode plate can be ensured to deform when being knocked, the deformation can be controlled within an elastic deformation range, the cathode plate is protected from plastic deformation, the service life of the cathode plate is protected and prolonged, and the stripping effect is better.

[Problem] To provide a laminate in which both the peelability and the adhesiveness of a resin layer to a second film are good under conditions in which the ambient temperature of the periphery of the laminate rises to a certain temperature (particularly, around 40°C), a cured product of the resin layer in the laminate, an electronic component having the cured product, and a method for forming the cured product. [Solution] A laminate comprising, in this order, a first film, a resin layer, and a second film, the resin layer comprising: (A) an alkali-soluble resin, (B) a multifunctional photopolymerizable monomer, (C) a photopolymerization initiator, and (D) a thermosetting resin, the peel strength of the second film to the resin layer at an ambient temperature of 40°C being 0.4 to 1.5 N / cm.

This application discloses an aqueous stripping solution, its preparation method, and its application, belonging to the field of photoresist technology. The aqueous stripping solution comprises amines, alcohol ether solvents, polyols, surfactants, and metal resists. The amines swell the photoresist, the alcohol ether solvents have good permeability, significantly reducing the adhesion between the photoresist and the substrate, and the surfactants reduce the surface tension at the photoresist-substrate interface. Combining the amines, alcohol ether solvents, and surfactants enhances the penetration efficiency of the stripping solution into the photoresist, accelerates the photoresist stripping rate, and thus improves the photoresist stripping effect, thereby increasing product yield. Furthermore, the polyols can form hydrogen bonds with hydrogen atoms in water molecules, binding water molecules, reducing water evaporation, and maintaining high stability of the stripping solution during heating, extending its service life. In addition, the metal resists reduce damage to the metal substrate caused by the stripping solution.

The present application relates to the technical field of pressure sensitive adhesive, and particularly relates to a modified acrylate pressure sensitive adhesive composition, a pressure sensitive adhesive and a preparation method thereof, and the modified acrylate pressure sensitive adhesive composition comprises the following components in parts by mass of raw materials: soft monomer 200-600 parts, hard monomer 10-50 parts, functional monomer 10-25 parts, chain transfer agent 0.05-1 part, solvent 450-600 parts, initiator 0.1-6 parts and tackifying resin 50-150 parts, and the types of raw materials of the components are specially limited. The modified acrylate pressure sensitive adhesive composition provided by the present application can ensure excellent initial adhesion, holding adhesion and peeling performance, significantly reduce the content of volatile organic compounds, improve high-temperature resistance, and is particularly suitable for application scenarios such as automotive interiors which have strict requirements on environmental protection and reliability.

The invention provides a mold release film. The mold release film is provided with a mold release layer and a base material layer, the base material layer is a biaxially stretched polybutylene terephthalate film, the mold release film is stretched at an elongation of 10-50% in the longitudinal direction (MD) of the mold release film under the conditions of a temperature of 175 DEG C, a sample width of 15 mm, an initial inter-chuck distance of 50 mm, and a stretching speed of 50 mm / min, and after the stretched state is maintained for 2 minutes, the base material layer is a biaxially stretched polybutylene terephthalate film. When the steel sheet is moved in a direction opposite to the direction of elongation at a speed of 50 mm / min until the stress is zero, the recovery rate (%) obtained on the basis of the value [Delta] La of the elongation length when the steel sheet is elongated from the initial value and the recovery value [Delta] Lb of the elongation from the [Delta] La to the stress is zero is 40-80%. When used in a resin sealing process using a compression molding method, the mold release film does not generate wrinkles or cracks even if stretching occurs during the process, has excellent sealing resin peelability, has excellent recyclability, and has recoverability after being stretched in a high-temperature state.

This invention discloses a method and apparatus for preparing low-fat, low-calorie health-promoting soy products. The method includes selecting high-quality soybeans, peeling them, defatting them under low-temperature negative pressure, soaking them in water and draining them, then finely grinding and filtering them to obtain soybean pulp. Compound dietary fiber, plant polysaccharides, and other auxiliary materials are added according to a formula and mixed with pure water. The mixture is then subjected to gradient constant temperature conditioning, negative pressure degassing, and finally pasteurization at low temperature. After cooling, it is filled and molded to obtain low-fat, low-calorie health-promoting soy products. The apparatus includes a defatting tank, a stirring assembly, and a lifting assembly. The defatting tank is equipped with a temperature control device, a negative pressure pump, a feed inlet, and an oil drain pipe with a solenoid valve. A lifting plate is installed inside the tank, and a diversion pipe and a drying pipe are installed at the top. The stirring assembly consists of a rotating shaft, a stirring plate, and a driving component. The lifting assembly moves the lifting plate up and down through a lifting cylinder, a sleeve, and a connecting frame. A low-temperature negative pressure precision defatting process is used to significantly reduce the fat content of soybeans from the raw material end.

The application discloses a method and device for laser stripping silicon carbide ingots. First, the laser focal point is aimed at a preset plane inside the ingot, and the laser is processed on the preset plane in a set direction and scanning line interval to form a plurality of explosion points on the plane to prepare a modified layer. Then, the modified layer is irradiated and heated by a xenon lamp. After the heating is completed, a pulling force opposite in direction and perpendicular to the end surface is applied to the two ends of the ingot to strip the wafer from the silicon carbide ingot. The application greatly reduces the pulling stress required for stripping, improves the stability of stripping, and at the same time, makes the wafer form a relatively flat stripping surface, reduces the roughness of the stripping surface, reduces the material loss of subsequent grinding, improves the silicon carbide stripping efficiency, and reduces the production cost.

The utility model discloses a raw bulb glass tube guide wire stripping device, relates to the technical field of bulb manufacturing equipment, and solves the technical problems that the stripping effect is unstable, the efficiency is low and the like due to the fact that most of lead stripping of an existing device depends on manual operation. The device comprises a rotating disc and a driving stripping assembly, the driving stripping assembly comprises a first support, a supporting plate is arranged on the first support, two rotating shafts are arranged at the lower end of the supporting plate, a first driving motor is arranged at the upper end of the supporting plate, and the two first driving motors drive the two rotating shafts to rotate respectively. A stripping disc is arranged at one end of each rotating shaft, first stripping brushes are arranged on the side faces of the peripheries of the two stripping discs, a rotatable rotating disc is supported below the stripping discs through a mounting frame, a plurality of inserting barrels allowing glass tubes to be inserted in are arranged on the rotating disc in the circumferential direction of the rotating disc, and the inserting barrels move to the position between the two stripping discs through rotation of the rotating disc; the guide wire stripping device has the advantages of stable guide wire stripping effect, high efficiency and the like.

The application discloses graphene, a transparent conductive film and a preparation method and application thereof. The preparation method of the graphene comprises the following steps: taking a gelled carboxymethyl cellulose sodium-metal salt aqueous solution as an electrolyte, taking a graphite electrode as a cathode, and jointly constructing an electrochemical reaction system with an anode, wherein the electrolyte is formed by mixing a metal salt and carboxymethyl cellulose sodium, wetting treatment by an alcohol substance, and mixing with water; and direct current is passed through the electrochemical reaction system to perform electrolysis, a constant voltage is applied to graphite to perform stripping, and graphene is obtained. The method for preparing high-quality graphene based on the electrochemical method has the advantages of high efficiency and simple operation, and the transparent conductive film prepared by the method has good advantages in light transmission performance and conductive performance.

The invention relates to the technical field of medical biological materials, and discloses mussel mucoprotein-agarose composite hydrogel and a preparation method and application thereof.The preparation method comprises the steps that agarose powder is dispersed in an aqueous solvent and heated to 80-100 DEG C to be completely dissolved, and a clear agarose solution is obtained; cooling the agarose solution to 40-60 DEG C, and keeping the agarose solution in a liquid state; the preparation method comprises the following steps: dissolving mussel mucin powder in an aqueous solvent or a buffer solution to prepare a mussel mucin solution, and slightly heating (1t, 40 DEG C) to promote dissolution; uniformly mixing the agarose solution obtained in the step S2 and the mussel mucoprotein solution obtained in the step S3 at 40-60 DEG C, and avoiding introducing bubbles to obtain a mixture; cooling the mixture to room temperature or body temperature to form composite hydrogel; carrying out irradiation sterilization on the composite hydrogel; the hydrogel is simple to prepare, has the thermal reversible gel characteristic, has good tissue adhesion and biocompatibility, and can effectively maintain the biological activity of the two natural components.

This invention relates to a multi-stage filtration treatment device for acidified wastewater, comprising a housing, a cover plate mounted on the housing, and multiple filter cartridges disposed within the housing. The housing is equipped with a swing cleaning mechanism to prevent clogging of the filter cartridges. The swing cleaning mechanism includes a left-right swing assembly and a brush assembly driven by the left-right swing assembly to perform reciprocating swinging motion. This invention uses two counter-rotating actuating plates in the left-right swing assembly to alternately drive a triangular mating plate with actuating groove to swing. This triangular mating plate directly drives the brush assembly, which is equipped with bristles, to perform horizontal reciprocating motion, causing the bristles to continuously mechanically scrub the surface of the filter plate. This process is completely automatic and can promptly remove sticky impurities adhering to the filter plate, thereby avoiding the problems of filter pore clogging and increased filtration resistance caused by long-term accumulation of impurities, and ensuring stable filtration flux.

This invention belongs to the field of paint removers and discloses a high-penetration modified water-based paint remover and its preparation method. The paint remover includes the following raw materials: deionized water, benzyl alcohol, formic acid, composite penetrant, sodium dodecylbenzenesulfonate, modified nano-Fe3O4, modified microporous starch, thickener, corrosion inhibitor, and defoamer. The modified nano-Fe3O4 is prepared by first preparing nano-Fe3O4, then forming a dense SiO2 shell on the Fe3O4 surface through tetraethyl orthosilicate hydrolysis, followed by surface treatment with a silane coupling agent, and finally grafting polyaspartic acid. The modified microporous starch is prepared by first preparing microporous starch using an enzymatic hydrolysis method, then loading molten microcrystalline wax and synergistic agents through a vacuum impregnation method, and finally cooling and solidifying. This invention, through the synergistic effect of the benzyl alcohol and formic acid main solvent system with modified nano-Fe3O4 and modified microporous starch, ensures efficient paint removal while providing good protection for the metal substrate.