34results about How to "Excellent peelability" patented technology

Provided are a polyisocyanate composition, a resin composition, a cured resin product, a cured resin film, an adhesive resin composition, and a surface protective film, which have good adhesiveness and peelability when made into a surface protective film, and which have improved contamination properties due to an adhesive during peeling. The invention also provides the polyisocyanate composition, the resin composition, the cured resin product, the cured resin film, the adhesive resin composition, and the surface protective film. The present invention is a polyisocyanate derived from at least one di (tri) isocyanate (b1) selected from the group consisting of aliphatic di (tri) isocyanates and alicyclic di (tri) isocyanates, and a di-or higher-functional polyol (b2) having a number average molecular weight of 250-1000 (inclusive), the ratio NCO / OH of the molar amount of isocyanate groups in the di ((III)) isocyanate (b1) to the total molar amount of hydroxyl groups in the polyol (b2) is 2-30, an isocyanurate group is included, the average number of isocyanate functional groups is 5.1-7.0, and the weight-average molecular weight (Mw) is 4000-43000.

The invention discloses alkaline stripping liquid for a silicon-based surface composite film and a stripping method of the alkaline stripping liquid. The alkaline stripping liquid is prepared from the following raw materials in percentage by mass: 12 to 17 percent of alkaline substance, 0.08 to 0.15 percent of oxidizing agent, 0.02 to 0.1 percent of composite complexing agent, 0.01 to 0.05 percent of interfacial agent and the balance of water, wherein the composite complexing agent is composed of an aluminum complexing agent and a molybdenum complexing agent according to the mass ratio of 1: 1. The method has the advantages of being good in stripping effect, small in silicon substrate damage, free of residues, high in universality, easy and convenient to operate and the like, and can be widely applied to the field of electronic chemicals, the technical field of semiconductors and the technical field of film stripping.

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 present invention relates to a copper surface passivation composition, comprising 4-(2-pyridineazo) resorcinol and glucosamine derivatives, and also relates to a photoresist stripper containing same and a method for cleaning a copper substrate. The copper surface passivation composition provides a good copper passivation protection performance, so that the copper surface passivation composition can be used for photoresist removal and copper surface passivation protection in a bumping process of semiconductor back-end packaging with good industrial application prospects and promotion potential in the technical field of microelectronics.

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.

The invention discloses a method for preparing a carboxylic acid functionalized two-dimensional covalent organic framework nanosheet in an alcoholamine-propylene carbonate solution. The specific steps are: using propylene carbonate as a solvent and an alcoholamine compound as a solute to prepare an alcoholamine-propylene carbonate solution system, and using the system as a dispersing stabilizing liquid for exfoliating bulk materials; adding bulk materials QL-COF-2, HOOC-COF1 or TpPa-(COOH) 2 The nanosheets are placed in a dispersion stabilizing liquid, wherein the alcoholamine compound is used as an intercalating agent to enter the interlayer of the bulk material, and the nanosheets are peeled off under the assistance of ultrasound, and the dispersion liquid is centrifuged and washed and dried to obtain carboxylic acid functionalized two-dimensional covalent organic framework nanosheets. The present invention can simply, efficiently and on a large scale prepare carboxylic acid functionalized two-dimensional covalent organic framework nanosheets; the present invention can stably exist for a long time in the alcoholamine-propylene carbonate solution system, and the nanosheets obtained during the ultrasound assistance process are not easy to precipitate.

A release agent composition comprising (A) an alkyd resin having a hardness of 8-30 MPa, (B) an amino resin, and (C) an organopolysiloxane having, in one molecule, two or more functional groups that can be chemically bonded to one or more resins selected from the group consisting of component (A) and component (B), has good peelability and reusability, and has an excellent surface state of a coating film of a release agent.

The invention discloses a pure adhesive film and a preparation method thereof. The pure adhesive film comprises the following raw material components in parts by mass: 15-40 parts of low-Tg saturated polyester resin; 10 to 35 parts of high Tg saturated polyester resin; 5 to 20 parts of epoxy resin; 0.1-5 parts of a curing agent; 0.01 to 1 part of an accelerant; 10 to 30 parts of a flame retardant; 0.1 to 1 part of a coupling agent; 40 to 110 parts of a solvent; wherein the Tg value of the low-Tg saturated polyester resin is-10 DEG C to 20 DEG C; and the Tg value of the high Tg saturated polyester resin is 50-80 DEG C. The prepared pure adhesive film is excellent in stripping performance, shearing performance and aging resistance, and extremely low in moisture absorption rate.

[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.

The invention relates to the field of water-based MLCC ceramic slurry tape casting process, in particular to a release coating agent, a release film and application thereof.The release coating agent comprises a polymer with hydrophilic groups and a cross-linking curing agent, the polymer at least comprises one hydrophilic group of amino, hydroxyl and hydroxymethyl, and the cross-linking curing agent is a cross-linking curing agent. The release coating agent can be coated and cured on the surface of the base material layer to form a release layer of a release film, so that the water-based MLCC ceramic slurry can better wet the surface of the release layer, the interaction force between the slurry and the release layer is enhanced, and the interfacial property between the release layer and the slurry is optimized so as to achieve the optimal stripping performance and slurry forming quality; and the water contact angle on the surface of the release layer can be controlled to be 80-96 degrees by adjusting the molar ratio of different hydrophilic groups in the release coating agent so as to adapt to the casting process of different water-based MLCC ceramic slurry.

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 invention discloses a preparation method of a base film for a flexible copper-clad plate, which comprises the following steps: S1, in an ice-water bath, completely dissolving a diamine monomer in a solvent, and then adding dianhydride to react to obtain polyamide acid; s2, adding alicyclic epoxy resin and an adhesion promoter, and fully stirring to obtain a glue solution; s3, coating one surface of a copper plate with the glue solution, and sequentially performing solvent volatilization and imidization to obtain a flexible copper-clad plate containing a base film; the solvent evaporation temperature is set to be 80-200 DEG C; the imidization temperature ranges from 250 DEG C to 350 DEG C. The process is simple, convenient and easy to operate; the base film with good stripping performance, transparency, bending resistance and high temperature resistance is prepared by compounding polyamic acid, alicyclic epoxy resin and an adhesion promoter.

Provided are an active energy ray-curable inkjet ink for a beverage container and applications thereof, the inkjet ink containing a polymerizable monomer and a polymerizable surfactant. Also provided are an active energy ray-curable inkjet ink set and applications thereof, the inkjet ink set containing a first ink containing a polyfunctional monomer and a second ink containing a monofunctional monomer, in which at least one of the first ink or the second ink contains a polymerizable surfactant.

The invention relates to the field of adhesives, in particular to the field of C09J155 / 00, and particularly relates to a hot-melt pressure-sensitive adhesive suitable for a medical adhesive tape and a preparation method of the hot-melt pressure-sensitive adhesive. The hot-melt pressure-sensitive adhesive suitable for the medical adhesive tape is prepared from the following raw materials in parts by mass: 30-40 parts of a main polymer, 30-50 parts of tackifying resin, 5-10 parts of a tackifier, 10-30 parts of rubber oil and 0.1-3 parts of a functional aid, wherein the main polymer comprises linear SIS and star SIS; the hot-melt pressure-sensitive adhesive provided by the invention is excellent in initial adhesion and persistent adhesion performance, is peelable, and is especially suitable for being applied to medical adhesive tapes, and the raw materials of all the components are nontoxic and harmless.

A use method of the light absorption release composition comprises the following steps: (a) processing a to-be-processed layer of a laminated body comprising a support carrier, a release layer and the to-be-processed layer so as to enable the to-be-processed layer to form a processed layer; (b) after the step (a), irradiating the release layer through the support carrier by using pulse laser light; and (c) separating the support carrier from the processed layer simultaneously with or after step (b). The release layer is formed by a light absorption release composition. The light absorption release composition comprises a polymer (A), a light absorption agent (B) and a solvent (C). The polymer (A) is formed by reacting a mixture comprising a tetracarboxylic dianhydride component and a diamine component. The diamine component comprises at least one diamine compound selected from the following groups: a diamine compound as shown in a formula (I) and a diamine compound as shown in a formula (II). The invention also provides a manufacturing method of the semiconductor device. The manufacturing method comprises the step of processing the processed layer to form the semiconductor device. # imgabs0 #

The invention discloses silica gel prepared based on environment-friendly efficient dissolved methyl silicone resin, and relates to the technical field of adhesives. Comprising the following steps: step 1, stirring and dissolving acrylate modified vinyl silicone oil and methyl silicone resin to obtain liquid S; 2, mixing the liquid S, acrylate modified vinyl silicone oil and a Karst catalyst to obtain a component A; 3, mixing the liquid S, acrylate modified vinyl silicone oil, hydrogen-rich silicone oil, hydrogen-terminated silicone oil and alkynol to obtain a component B; and step 4, mixing the component A and the component B to obtain the silica gel. The preparation method has the beneficial effects that the silicon resin powder is dissolved in a solvent-free manner, so that the excellent viscosity and flexibility of the silica gel and the easy stripping property of the protective film are realized. The environment-friendly method not only reduces the influence on the environment, but also reduces the energy consumption and improves the efficiency due to short dissolution time.

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.

A PVA film, which is a PVA film containing PVA (A), nonionic surfactant (B), anionic surfactant (C) and chelating agent (D), characterized in that the nonionic surfactant (B) is an alkanolamide, relative to 100 parts by mass of PVA (A), the content of the nonionic surfactant (B) is 0.01 to 0.20 parts by mass, relative to 100 parts by mass of PVA (A), the content of the anionic surfactant (C) is 0.01 to 0.20 parts by mass, and the chelating agent (D) is at least one compound selected from organic carboxylic acid compounds, amino carbonate compounds and hydroxy amino carbonate compounds, relative to 100 parts by mass of PVA (A), the content of the chelating agent (D) is 0.005 to 0.20 parts by mass. Thus, the generation of dirt in the production process can be prevented, so a PVA film with excellent yield, few optical defects and good peelability can be provided.

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.

The present invention addresses the problem of providing a transfer film, a method for manufacturing a laminate, and a method for manufacturing a touch panel, the transfer film having excellent peelability of a temporary support and a protective film, and having excellent press workability of a cured film obtained by curing a photosensitive resin layer after transfer. The transfer film has a temporary support, a photosensitive resin layer, and a protective film in this order, the elongation at break of a cured film obtained by curing the photosensitive resin layer at 120 DEG C is 15% or more, and the arithmetic average roughness Ra of the surface of the temporary support on the photosensitive resin layer side is 50 nm or less. The arithmetic average roughness Ra of the surface of the protective film on the photosensitive resin layer side is 150 nm or less.

A thermal transfer sheet including: a first substrate; and a first transfer layer and a peel-off layer provided on one surface of the first substrate in a frame sequential manner, wherein the first transfer layer after transfer under the following condition (A) has an arithmetic mean height Sa of more than 0.1 µm and less than 0.6 µm, and the peel-off layer has an arithmetic mean height Sa of more than 0.1 µm and less than 1.0 µm, [Condition (A)] an intermediate transfer medium including a receiving layer having a surface with an arithmetic mean height Sa of 0.1 µm is prepared, and the first transfer layer of the thermal transfer sheet is placed opposite the receiving layer of the intermediate transfer medium, and an application energy of 0.167 mJ / dot is applied to transfer the first transfer layer of the thermal transfer sheet to a surface of the receiving layer of the intermediate transfer medium.

Provided are: a photosensitive transfer material which has a thermoplastic resin layer and an intermediate layer between a temporary support and a photosensitive resin layer, is peeled off between the thermoplastic resin layer and the intermediate layer when the temporary support is peeled off, and has excellent peelability between the thermoplastic resin layer and the intermediate layer; and a method for producing the photosensitive transfer material. Provided are: a photosensitive transfer material having a temporary support, a thermoplastic resin layer containing a copolymerized polyester resin, an intermediate layer, and a photosensitive resin layer in this order; and a method for producing the photosensitive transfer material.