Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

367 results about "Tackifier" patented technology

Tackifiers are chemical compounds used in formulating adhesives to increase the tack, the stickiness of the surface of the adhesive. They are usually low-molecular weight compounds with high glass transition temperature. At low strain rate, they provide higher stress compliance, and become stiffer at higher strain rates.

High-voltage-resistant self-fusion insulating silicone rubber packaging material

The invention discloses a novel insulating silicone rubber packaging material with a self-fusion characteristic, high voltage resistance and weather resistance. The material is prepared from raw methyl vinyl silicone rubber, fumed silica as a reinforcing filler, modified vinyl MQ silicone resin as a tackifier, hydroxyl silicone oil as a structure control agent, modified aluminum hydroxide and the like as raw materials, has a self-fusion characteristic, can be autonomously bonded to form a seamless insulating layer through contact pressing of two lap joint surfaces, and has the initial peel strength of 3.5 N / mm and the tensile strength of 95N / mm. The secondary fusion strength retention rate exceeds 90%; the power frequency withstand voltage under the thickness of 2mm is greater than or equal to 45kV, the power frequency withstand voltage under the thickness of 4mm reaches 66kV, and the volume resistivity is gt; and 1 * 10 < 12 > omega.m, which is improved by more than 50% compared with the traditional material. The product gives consideration to both mechanical performance and weather resistance, the thick wing-shaped sheet structure is adaptive to special-shaped equipment and can be installed in an electrified mode, and an innovative insulation protection scheme can be provided for power transmission and transformation equipment.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +5

Polyethylene composite film and application thereof

The invention provides a polyethylene composite film. The polyethylene composite film comprises a surface layer, a middle layer and a heat sealing layer which are sequentially stacked, wherein the surface layer is composed of 58%-76% of hexene copolymerized metallocene linear low density polyethylene, 18%-37% of low density polyethylene and a small amount of slipping agent and anti-blocking agent; the middle layer is composed of 79%-88% of octene copolymerized metallocene medium density polyethylene, 5%-21% of hexene copolymerized metallocene linear low density polyethylene and 6%-15% of high density polyethylene; and the heat sealing layer is composed of 47%-65% of hexene copolymerized metallocene linear low density polyethylene, 33%-45% of low density polyethylene and 2%-5% of a tackifier. According to the composite film disclosed by the invention, through gradient design of each layer of material, the whole composite film has rigidity and toughness, and the composite film is particularly suitable for manufacturing stand-up bag packages which stand stably and are compression-resistant and impact-resistant.
Owner:AMCO TECH R&D CO LTD +1

Polypropylene blister packaging

A system for forming a blister package includes a thermoformable film and a lidding film. The thermoformable film has a thermoformable film exterior layer and a thermoformable film interior layer. The thermoformable film exterior layer includes at least 50% by weight polypropylene. The thermoformable film interior layer includes at least 50% by weight polypropylene and (a) a tackifier and / or (b) a cyclic olefin copolymer. The lidding film includes a lidding film exterior layer, a seal layer, and a lidding film interior layer between the lidding film exterior layer and the seal layer. The lidding film exterior layer includes at least 50% polypropylene. The lidding film interior layer includes at least 50% polypropylene and a tackifier. The seal layer includes a polyolefin plastomer.
Owner:AMCOR FLEXIBLES NORTH AMERICA INC

Environment-friendly water-based composite adhesive for transfer paper and preparation method of environment-friendly water-based composite adhesive

The invention discloses an environment-friendly water-based composite adhesive for transfer paper and a preparation method of the environment-friendly water-based composite adhesive. The environment-friendly water-based composite adhesive is prepared from the following raw materials in percentage by mass: 28-45% of methyl methacrylate; 30 to 40% of butyl acrylate; 0.3%-0.8% of an initiator; 2-4% of an emulsifier; 1-5% of butadiene; 0.5 to 1.5 percent of a tackifier; 0-0.15% of a reinforcing agent; 0.1 to 0.5 percent of a pH regulator; 0.05-0.25% of a defoaming agent and the balance of water; the preparation process comprises the following steps: S1, prepolymerizing butadiene; s2, preparing an acrylate emulsion; and S3, mixing and blending. The preparation method has the advantages that the butadiene, the tackifier and the reinforcing agent are used in the formula to regulate and control the adhesive force and the toughness of the adhesive film, the types of the acrylate monomers are reduced, and the defects that the regulation and control capability is limited, the variables are multiple and the parameters are difficult to consider simultaneously when the types and the contents of the acrylate soft and hard monomers are accurately controlled to regulate and control the parameters are overcome.
Owner:JIAYI WARD (WUHAN) TECHNOLOGY CO LTD

Bicycle chain lubricant composition

Bicycle chain lubricant comprising base oil, a tackifier, and an anti-wear additive being either zinc dialkyl dithiophosphates (ZnDTP), molybdenum dithiocarbamates (MoDTC), or a mixture of both. The b
Owner:SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV

A low-modulus high-resilience modified alcohol-type silicone sealant, and a preparation method and application thereof

PendingCN122326168APolymer sciencePtru catalyst
A low-modulus, high-resilience modified alcohol-based silicone sealant, its preparation method, and its application are disclosed, relating to the field of sealant materials technology. The silicone sealant comprises the following components in parts by weight: 100 parts of α,ω-alkoxysilane ethylidene-terminated polydimethylsiloxane, 30-80 parts of plasticizer, 80-150 parts of reinforcing filler, 0.5-20 parts of silane crosslinking agent, 0.5-10 parts of silane tackifier, and 0.01-1 part of Lewis acid catalyst; wherein the plasticizer is α-alkoxysilane ethylidene-terminated polydimethylsiloxane. The low-modulus, high-resilience silicone sealant of this invention exhibits fast surface drying speed, low modulus, high elastic recovery rate, good adhesion, and weather resistance.
Owner:SHENZHEN BAILICHU GLUE IND CO LTD

Pressure sensitive adhesives comprising propylene-ethylene(-diene) copolymers

A pressure-sensitive adhesive may comprise: about 18 wt % to about 90 wt % of a propylene-ethylene(-diene) (PE(D)M) copolymer; about 10 wt % to about 65 wt % of a tackifier; and 0 wt % to about 40 wt % of an oil. The PE(D)M copolymer may comprise: (a) about 60 wt % to about 99 wt % propylene, (b) about 1 wt % to about 40 wt % ethylene or a C4 to C22 alpha-olefin, and (c) 0 wt % to about 20 wt % diene, wherein the PE(D)M copolymer has a heat of fusion of about 15 J / g or less.
Owner:EXXONMOBIL CHEMICAL PATENTS INC

Modified bitumen for durable thin surfacing and method of making, use, wearing course

The application belongs to the technical field of polymer materials, and discloses a modified asphalt for durable thin-layer pavement, a preparation method, application and wearing layer thereof; the modified asphalt comprises the following components in mass fraction: 100 parts of asphalt, 10-20 parts of thermoplastic elastomer, 2-5 parts of tackifier and an additive; the tackifier is phthalonitrile resin; the thermoplastic elastomer contains not less than 90 wt% of SBS; the modified asphalt is synergistically modified by the tackifier and the thermoplastic elastomer, so that the obtained modified asphalt has excellent high-temperature performance, low-temperature performance and aging resistance, and is particularly suitable for durable thin-layer pavement; and the wearing layer prepared by the modified asphalt has excellent fatigue durability.
Owner:MAINTENANCE BRANCH OF GUANGZHOU HIGHWAY ENGINEERING GROUP CO LTD +2

Organic silicon modified polyurethane resin as well as preparation method and application thereof

The invention provides organic silicon modified polyurethane resin as well as a preparation method and application thereof, and relates to the technical field of binders. Specifically, silane modified polyurethane resin with an ester group side chain is prepared on the basis of polyether polyol, hydrogen-containing silicone oil, polyisocyanate, an acrylate compound and an isocyanate silane coupling agent, and the silane modified polyurethane resin with the ester group side chain is used as a resin matrix; the organic silicon modified polyurethane transparent sealant is prepared from the organic silicon modified polyurethane, the composite reinforcing filler, the matting pigment, the antioxidant, the ultraviolet light absorber, the light stabilizer, the moisture scavenger, the tackifier and the catalyst. The silane modified polyurethane resin has the advantages of being high in bonding effect, weather resistance and mechanical strength and the like, and compared with existing products, the transparent sealant has better yellowing resistance, crack resistance and bonding performance and has good application prospects.
Owner:XIANGYANG SUNVALOR AEROSPACE FILMS CO LTD

Methods of making roof laminates with removable protective sheets and roof laminates

A roof laminate (10) includes a roof membrane (12, 100, 200, 300) and a protective sheet (14, 114, 214, 314) removably affixed thereto. The surface (20) of the roof membrane (12, 100, 200, 300) can be protected from dirt, scratches and scrapes by a protective sheet (14, 114, 214, 314) which also provides other beneficial attributes that aid an installer. The membrane (12, 100, 200) and the sheet (14, 114, 214) are heat laminated together in the absence of adhesive and tackifiers. Alternatively, the membrane (12, 300) and the sheet (14, 314) are surface treated and then brought into contact with one another in the absence of adhesive and tackifiers. The sheet (14, 114, 214, 314)) may be single layer or include at least a first layer (30) directly secured to a second layer (32). The first layer (30) provides at least one of UV protection, anti-slip, and anti-glare to the roof laminate (10) and so aids the installer in at least one of those respects. The second layer (32) is removably affixed to the roof membrane (12, 100, 200, 300).
Owner:CARLISLE INTANGIBLE LLC

High-temperature hot melt adhesive, preparation method thereof and transfer-ironed trademark

The invention discloses a high-temperature hot melt adhesive, a preparation method of the high-temperature hot melt adhesive and a transfer-ironed trademark. The high-temperature hot melt adhesive comprises the following components in parts by weight: 98-105 parts of polyether type thermoplastic polyurethane; 8 to 25 parts of hydroxyl-terminated polydimethylsiloxane; 0.5 to 2 parts of an anti-hydrolysis agent; 2 to 10 parts of a tackifier; 0.5 to 2 parts of a viscosity modifier; 1-2 parts of an antioxidant; and 0.5 to 1 part of a filling material. The high-temperature-resistant waterproof coating has high bonding fastness, high temperature resistance and excellent hydrolysis resistance, and can meet the requirement that outdoor sports products and individual brands pass special stone washing, chemical washing and high-temperature washing tests. In addition, the high-temperature hot melt adhesive can meet the requirements of heat resistance (the ironing temperature does not exceed 150 DEG C) of the fabric, production efficiency (the ironing time does not exceed 20 seconds) and garment comfort (the hot melt adhesive is soft and elastic).
Owner:广东康派环创科技有限公司

Flex-resistant rubber composition for V-belt compression layer and preparation method of flex-resistant rubber composition

ActiveCN121652480AV-beltsMethacrylateFiber
The invention discloses a flex-resistant rubber composition for a triangular belt compression layer and a preparation method thereof. The flex-resistant rubber composition is prepared from the following components in parts by weight: 70 to 80 parts of natural rubber, 20 to 25 parts of butadiene styrene rubber, 10 to 15 parts of liquid polyisoprene rubber, 20 to 25 parts of layered inorganic powder, 1 to 2 parts of maleic anhydride polybutadiene, 5 to 10 parts of blue cotton short fiber, 50 to 60 parts of carbon black, 5 to 10 parts of white carbon black, 3 to 5 parts of coupling agent, 2 to 4 parts of tackifier, 2 to 3 parts of plasticizer, 6 to 8 parts of activator, 1.5 to 2.0 parts of anti-aging agent, 0.5 to 1 part of zinc methacrylate, 1 to 2 parts of accelerant and 2.8 to 3.0 parts of sulfur. The liquid polyisoprene rubber is utilized to mechanically shear and modify the layered inorganic powder, and when the liquid polyisoprene rubber is used for the rubber composition, the layered slippage property is achieved, so that stress concentration is avoided. The blue cotton short fiber is cooperated to increase the strength, limit the movement of a rubber molecular chain, prevent crack propagation and improve the flex resistance.
Owner:TAIZHOU BAIHUA RUBBER BELT

Environment-friendly sealing glue for water supply network threading joint and preparation process of environment-friendly sealing glue

The invention discloses environment-friendly sealing glue for a threading connector of a water supply network and a preparation process of the environment-friendly sealing glue. The glue takes waterborne polyurethane resin as an environment-friendly base material, and is matched with a compound modified filler, a plant extract modified bio-based tackifier, a waterborne isocyanate environment-friendly curing agent, a functional additive and the balance of deionized water, wherein the compound modified filler is prepared from nano silicon dioxide and talcum powder in a mass ratio of (2-5): 1, and the functional additive is prepared by compounding a food-grade preservative, an anti-aging agent and a defoaming agent. The glue is low in VOCs content, environment-friendly, free of pungent smell, excellent in sealing durability, low in connector leakage rate, capable of being constructed under a micro-wet working condition, simple in preparation and application process, free of special equipment, low in cost and suitable for large-scale production, and the glue is low in VOCs content, environment-friendly, free of pungent smell, excellent in sealing durability and low in connector leakage rate and can be used for construction under the micro-wet working condition. And the comprehensive construction cost is low, the method is suitable for sealing of multi-material pipelines in old communities and threading connectors of newly-built water supply pipe networks, the stability of a water supply system is effectively improved, and the later operation and maintenance cost is reduced.
Owner:CCCC GUANGZHOU DREDGING CO LTD +1

PVB-based sacrificial tackifier for CMC

ActiveUS12552721B2Polyvinyl alcoholTackifier
A tackified ceramic fabric sheet includes a pre-preg layer having a fabric of woven ceramic tows and a tackifier compound surrounding the tows and comprising 15% to 60% polyvinyl butyral with ethanol. The sheet further includes a removable first backing film layer on a first side of the pre-preg layer.
Owner:RTX CORP

High-performance conductive adhesive tape as well as preparation method and application thereof

The invention relates to the field of conductive adhesive tapes, and particularly discloses a high-performance conductive adhesive tape as well as a preparation method and application thereof. A high-performance conductive adhesive tape comprises a PI and Cu composite substrate layer and a conductive pressure-sensitive adhesive layer in a thickness ratio of (1.5-2.0): 1.0, the total thickness is 10-100 [mu] m, the PI and Cu composite substrate layer is obtained by combining a PI film and a copper foil layer in a thickness ratio of (2.0-2.5): (3.5-4.0), and the conductive pressure-sensitive adhesive layer is prepared from an acrylic pressure-sensitive adhesive base material, titanium carbide conductive nanoparticles and a tackifier in a weight ratio of 100: (5-15): (5-10). And the conductive pressure-sensitive adhesive layer is attached to the copper foil layer. The high-performance conductive adhesive tape not only has good core performance, but also has higher elongation at break, flexibility and oxidation resistance, achieves ideal technical balance, and is suitable for various different use scenes.
Owner:HUIZHOU YIXIN NEW MATERIALS CO LTD

3D printing waste glass recycled lightweight aggregate concrete and preparation method thereof

The invention belongs to the technical field of 3D printing concrete materials, and particularly relates to 3D printing waste glass recycled lightweight aggregate concrete and a preparation method thereof. The concrete is prepared from the following raw materials: cement, silica fume, fine aggregate, waste glass recycled lightweight aggregate, a viscosity modifier, nano silicon dioxide, nano cellulose fibers, a water reducing agent, fly ash, a defoaming agent and water. The lightweight 3D printing concrete with different densities is prepared by replacing sand with the lightweight aggregate prepared by recycling the waste glass, the tackifier, the thixotropic agent, the nano-crystalline cellulose fiber, the water reducer and the fly ash are used for competitive synergistic effect to improve the water-retaining property and the rheological property, a nano-micron multi-scale synergistic system is constructed, multi-stage particle accumulation is effectively realized, and the 3D printing concrete with different densities is prepared. The problems that the constructability is difficult to improve while the density of conventional 3D printing lightweight aggregate concrete is reduced and the lightweight aggregate of low-density 3D printing concrete floats upwards are solved, the printable window time is prolonged, and the interface performance of an aggregate matrix is enhanced.
Owner:QINGDAO UNIV OF TECH

A silicone rubber adhesive and its preparation method

ActiveCN119264869Bfast constructionMeet the needs of rapid constructionNon-macromolecular adhesive additivesPolymer scienceAdhesive
This invention relates to a silicone rubber adhesive and its preparation method, belonging to the technical field of silicone rubber adhesives. The silicone rubber adhesive comprises the following components: 100 parts of hydroxyl-terminated polydimethylsiloxane and nano-calcium carbonate, of which 40 to 60 parts are nano-calcium carbonate; 2 to 3 parts of methyltrimethoxysilane; 1 to 2 parts of diisopropyl bis(ethyl acetoacetate) titanate; and 0.3 to 0.7 parts of a tackifier. The tackifier comprises compounds with the general structural formula shown in Formula I or Formula II. Compared with existing silicone rubber adhesives, the silicone rubber adhesive provided by this invention contains a tackifier with a specific structure, which can significantly improve the construction speed, meet the needs of rapid construction, and make up for the shortcomings of existing silicone rubber adhesives.
Owner:DONGGUAN SILICON ART NEW MATERIALS CO LTD

Solid-state battery with composite interface and preparation method thereof

The invention relates to a solid-state battery with a composite interface and a preparation method of the solid-state battery. The solid-state battery comprises a positive plate, a negative plate, SEI protection layers coated on the positive plate and the negative plate, and a lithium ion conduction agent coating layer between the SEI protection layers. The SEI protective layer is formed by compounding a polymer matrix and an ion conduction lithium salt through a dip-coating method, the lithium ion conduction agent coating layer comprises an electrolyte lithium salt, a tackifier and an oxide solid electrolyte, and the lithium ion conduction agent coating layer is formed by mixing to prepare a lithium ion conduction agent and coating the lithium ion conduction agent. The problems that a traditional battery is lack of flexibility and poor in safety and an existing solid-state battery is high in interface impedance and short in cycle life are solved, cooperation of flexible protection and efficient ion conduction is achieved, the 200-circle cycle capacity retention rate reaches 90% or above, the preparation process is simple and controllable, material compatibility is good, an existing production line does not need to be transformed, industrial popularization is facilitated, and the method is suitable for industrial production. The method is suitable for energy storage scenes such as flexible electronic equipment and electric automobiles.
Owner:XIAOGAN CORNEX NEW ENERGY INNOVATION TECHNOLOGY CO LTD

Three-ply base double-channel prefabricated waterproofing roll with hook-and-loop fastener

The present application relates to waterproofing membrane technical field, propose a kind of three base double-channel prefabricated bite lap waterproofing membrane with touch fastener, from bottom to top, in turn include anti-adhesive layer, first permeation reaction adhesive layer, first polymer film base layer, second permeation reaction adhesive layer, second polymer film base layer, third permeation reaction adhesive layer, third polymer film base layer, fourth permeation reaction adhesive layer, rough surface silk layer and hook face layer;The adhesive of first permeation reaction adhesive layer, second permeation reaction adhesive layer, third permeation reaction adhesive layer and fourth permeation reaction adhesive layer respectively independently includes following weight parts component raw materials: asphalt, softener, SBS, SIS, tackifier, rubber powder, filler, filler is composed of heavy calcium carbonate, magnesium stearate modified active calcium carbonate and hollow glass microsphere.By the above technical solution, the problem of poor fixing, low peel strength and heavy quality of waterproofing membrane in related art is solved.
Owner:HEBEI YUYANGZELI WATERPROOF MATERIAL

Special mute cotton for tire

The invention discloses special mute cotton for tires, which comprises a mute layer and a back adhesive tape, and the back adhesive tape is prepared from the following substances in parts by mass: 80-100 parts of styrene-butadiene-styrene block copolymer, 50-60 parts of tackifier, 20-30 parts of naphthenic oil, 5-15 parts of adsorbent, 1-2 parts of antioxidant 1520 and 1-2 parts of cross-linking agent. The prepared mute cotton does not need laser treatment and polishing, can effectively absorb a release agent on the inner wall of a tire, the bonding effect can reach cohesive failure of a self-adhesive layer, revolutionary change is achieved, tire agents, tire stores and even vehicle owners can operate the mute cotton by themselves, equipment assistance is not needed, construction is simple, cost is low, and large-scale popularization can be achieved.
Owner:WUXI I REACH TECH

Pressure-activated adhesive

A pressure-activated adhesive article comprises a substrate and a pressure-activated adhesive layer disposed on the substrate. The pressure-activated adhesive layer is a crosslinked adhesive composition having a crosslinked siloxane polymer and at least one siloxane tackifier. The pressure-activated adhesive has a Tg of at least 50°C as measured by DMA (dynamic mechanical analysis), is non-adhesive at room temperature, but adheres to the substrate when pressure is applied to the adhesive layer.
Owner:SOLVENTUM INTELLECTUAL PROPERTIES CO

A mineral thickening agent for shotcrete and a preparation method thereof

The application discloses a mineral tackifier special for shotcrete and a preparation method thereof, and relates to the technical field of tackifiers. The mineral tackifier is obtained through graft copolymerization reaction of 1-vinyl-2-pyrrolidone, acrylic acid, xanthan gum and hyperbranched borate under the action of an initiator; the hyperbranched borate is generated through reaction of a hyperbranched product and 1,4-benzenediboronic acid under the catalysis of anhydrous magnesium sulfate; and the hyperbranched product is prepared through esterification reaction of 3-(bis(2-hydroxyethyl)amino)propionic acid methyl ester and 2-methyl-2-propenoic acid-2,3-dihydroxypropyl ester. The mineral tackifier prepared by the application has good compressive strength and short setting time.
Owner:PANZHIHUA SANZHENG LANDSCAPE ENG CO LTD

Curable Polymer Composition Having Improved Wash-Off Resistance

The invention relates to a curable and preferably polymer composition that is useful as a sealant, an adhesive (e.g., structural adhesive), a reinforcement, a dampener, a sound absorber or any combination thereof. The composition preferably comprises one or more ethylene polymers, tackifier, curing agent, and rheology modifier. The invention also relates to extrusion of the composition onto an article surface, e.g. through a robotically mounted extrusion die, and subsequent activation for curing by an external stimulus.
Owner:ZEPHYROS INC

Damping rubber composition and viscoelastic damper

The present invention provides a damping rubber composition that can form a damping member with excellent damping properties in low-strain areas such as wind sway, while suppressing adhesion to rolls and having good processability. [Solution] The damping rubber composition contains (a) a base rubber, (b) a tackifier, (c) carbon black, (d) an inorganic filler with a particle size of 3 μm or more as measured by the air permeability method, and (e) a fatty acid derivative as a lubricant, wherein the (a) base rubber contains at least one selected from the group consisting of polyisoprene rubber and polybutadiene rubber, and the amount of (b) tackifier is 70 to 110 parts by mass, the amount of (c) carbon black is 100 to 160 parts by mass, the amount of (d) inorganic filler is 5 to 100 parts by mass, and the amount of (e) lubricant is 0.5 to 10 parts by mass per 100 parts by mass of the (a) base rubber.
Owner:SUMITOMO RUBBER INDUSTRIES LTD

High-viscosity modified asphalt and preparation method thereof

PendingCN121975342ASynergistic improvement of high temperature performanceSynergistically improve low-temperature performanceBuilding insulationsComposite constructionSimple Organic Compounds
The invention discloses high-viscosity modified asphalt and a preparation method thereof, and belongs to the technical field of asphalt materials, the high-viscosity modified asphalt comprises matrix asphalt, a tackifier, a styrene-butadiene-styrene block copolymer and a stabilizer, the mass ratio of the matrix asphalt to the tackifier to the styrene-butadiene-styrene block copolymer to the stabilizer is 100: (2-6): (2-6): (0.1-1); the tackifier comprises an epoxidized organic compound, a cross-linking agent and an accelerant, and the mass ratio of the epoxidized organic compound to the cross-linking agent to the accelerant is 100: (4-20): (0.5-3). According to the high-viscosity modified asphalt and the preparation method thereof disclosed by the invention, through composite construction of a thermally reversible network and a styrene-butadiene-styrene block copolymer (linear SBS) network, collaborative optimization among high-temperature performance, construction workability and low-temperature performance in a high-viscosity asphalt system is realized; the technical bottleneck that the three parts are difficult to consider in the traditional modification technology is broken through.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

Protective film with low film tearing voltage for protecting electronic component

The invention belongs to the field of protective films, and relates to a low-film-tearing-voltage protective film for electronic component protection, the protective film is obtained by coating with a coating liquid, and the coating liquid comprises the following substances by weight: 5-15 parts of beta-wollastonite-based microcrystalline spheres; the invention relates to a high-temperature-resistant coating which comprises the following components in parts by weight: 45-65 parts of composite resin, 1-5 parts of a dispersing agent, 5-10 parts of a functional aid, 2-4 parts of a tackifier and 20-35 parts of a solvent. The film tearing voltage can be reduced, the surface roughness is controlled, and the comprehensive performance is improved.
Owner:HEFEI LUCKY SCIENCE & TECHNOLOGY INDUSTRY COMPANY LTD

A pressurized casting technique and semiconductor device

This invention provides a semiconductor substrate on which a bottom layer and a patterned hard mask layer are sequentially formed. A pattern template is formed on the patterned hard mask layer using a pressure casting method. The pattern template is baked and cooled with a release-aiding spacer layer. The pattern template coated with the release-aiding spacer layer is pressed onto a flat plate. A vacuum-defoamed adhesive liquid is pressure-cast into the gaps of the pattern template coated with the release-aiding spacer layer using a semiconductor material to be processed coated with an tackifier, with the pattern template as the bottom. After standing, it is baked. The flat plate is removed, and the adhesive liquid area is irradiated with ultraviolet light to cure the adhesive liquid. The pattern template coated with the release-aiding spacer layer is removed using a release agent to form a patterned adhesive layer. This allows for more precise pattern transfer, multiple pattern templates can be used multiple times, and ultimately saves on the cost of photolithography and etching processes.
Owner:张秀云