38results about How to "Satisfy the adhesion" patented technology

The invention relates to a fiber-reinforced plaster-free dismantle-free integrated heat-preservation template and an exterior wall heat-preservation construction process. The heat-preservation template is formed by compounding an expandable polystyrene (EPS) aggregate layer on the surface on one side of a fiber concrete plate. The process comprises the following steps that: a fiber concrete template and a fiber concrete composite heat-preservation template are vertically fixed on the two sides of the position of a pre-built wall body respectively, wherein the fiber concrete template and the fiber concrete composite heat-preservation template are fixed together through pull bolts; and reinforcements are arranged and concrete is poured between the fiber concrete template and the fiber concrete composite heat-preservation template, so that a reinforced concrete bearing wall body is formed. The integrated permanent dismantle-free heat-preservation template meets the requirements on heat preservation of an exterior wall and flatness of a plaster layer in place of the exterior wall template, an outer heat-preservation layer and the plaster layer. In the process, the template is not required to be removed, the heat preservation, heat insulation and water proofing performance are good, the thickness of the wall body is reduced, a great amount of materials and labor are saved, the construction period can be shortened, and the energy conservation requirement and the requirements on adhesion between the permanent template and a basic layer and flatness of a surface layer can be met. The template is suitable for high-rise and small high-rise buildings; the dwelling environment can be improved; the building function quality is improved; the building development benefit is improved; and the template has a wide application prospect.

The invention relates to a medical polyacrylate pressure-sensitive adhesive with high adhesion performance. The medical polyacrylate pressure-sensitive adhesive comprises soft monomers, hard monomers, functional monomers, initiators, cross-linking agents and solvents. The glass-transition temperature of the soft monomers ranges from -65 DEG C to -60 DEG C. The cross-linking agents are isocyanate-group-containing compounds generated through the reaction between polyisocyanates and polyhydroxy compounds. The weight-average molecular weight of the pressure-sensitive adhesive ranges from 80*10<4> g/mol to 140*10<4> g/mol. The molecular weight distribution of the pressure-sensitive adhesive ranges from 10 to 25. In the preparing process of the pressure-sensitive adhesive, temperature and the reaction sequence and the adding quantity of the reaction materials are gradually controlled, and the product with the high molecular weight and the wide molecular weight distribution is obtained. The product can be used for the medical and health field.

The invention discloses a high-intensity transparent bonding agent and a preparation method thereof. The high-intensity transparent bonding agent is prepared from the following raw materials including silane modified polymers, plasticizers, gas phrase white carbon black, dewatering agents, coupling agents, antioxidants, ultraviolet stabilizers and catalysts, wherein the silane modified polymers are one or several materials in silane modified polyether, silane terminated polyether and silane terminated polyurethane prepolymers. The silane modified polymers are used as substrate resin; the prepared bonding agent has good transparency and high intensity; the bonding sealing requirements in some specific occasions can be completely met; the good bonding performance is realized; the surface bonding and sealing of most substrates can be met; no corrosion is caused on the substrate; the excellent high-low-temperature-resistant performance and weather-resistant performance are realized; the appearance and the performance are kept not to generate obvious change for a long time; an organic tin catalysis scheme can be used; green and environment-friendly effects are achieved; the high-intensity transparent bonding agent can be applicable to some products forbidden to use the organic tin compounds.

The invention provides an environment-friendly fireproof material for electrical equipment and a preparation method of the environment-friendly fireproof material, and belongs to the fields of fireproof materials and preparation technologies thereof. The environment-friendly fireproof material for the electrical equipment is characterized by being prepared from the following raw materials in parts by weight: 50 to 60 parts of modified epoxy resin, 30 to 40 parts of fluorocarbon resin, 60 to 90 parts of a fire retardant, 3 to 10 parts of expanded graphite, 3 to 10 parts of alumina silicate fiber and 2 to 8 parts of molecular sieves. The fireproof material provided by the invention is applied to fire protection of the electrical equipment, and is high in crack resistance, water resistance and weather resistance and good in expansion character; meanwhile, the heat release rate of a base material in a burning condition can be obviously reduced, and the quality loss is reduced; moreover, the fireproof material is small in smoke production quantity and good in environmental protection effect.

The invention discloses IMD (In-Mold Decoration) calendaring silk-screen printing ink which comprises the following components in percentage by weight: 40-50% of modified polyester resin, 25-30% of ketone solvent, 20-25% of benzene solvent and 1-5% of assistant. The printing ink solves the problems that existing IMD calendaring is poor in draying effect and the printing process is too fussy. The printing time is reduced, and the extremely strong inner binding force is improved, so that the printing ink has excellent using performance and has the effects of good leveling performance and excellent adhesion force on the printing surfaces of PC (Poly Carbonate) and PET (Polyethylene Terephthalate) materials. The printing oil is bright in color and high-temperature resistance, and the demands of clients on high temperature resistance, high ductility, high adhesive force and high adhesion of products are met.

The invention belongs to the technical field of an adhesive, and specifically relates to a high-strength hot melt adhesive for an automobile steel plate and a preparation method of the hot melt adhesive. Raw materials of the hot melt adhesive comprise a certain ratio of high-melting-point wax, thermoplastic elastomer SBS, random polyolefin rich in polypropylene, random polyolefin rich in polybutene, a poly (ethylene-vinyl acetate) and maleic anhydride graft copolymer, an ethylene vinyl acetate copolymer, a C5 hydrogenated petroleum resin, a styrene-modified terpene resin, polyhydroxyl zinc salt, an anti-oxidant, and a coupling agent. The invention aims to provide a high-strength hot melt adhesive, which is free of odor, high in bonding strength, and good in high and low temperature resistance and is used for bonding an automobile steel plate and to provide a preparation method of the hot melt adhesive.

The invention relates to a polyimide adhesive film with excellent comprehensive performance as well as a preparation method and application thereof, belongs to the technical field of polyimide, and solves the problem that an existing polyimide adhesive film can hardly have excellent heat resistance, good adhesive property, low dielectric constant at high frequency and low dielectric loss. The polyimide adhesive film is mainly prepared from aromatic dianhydride, aromatic diamine containing a diphenyl ether structure and diamine containing a siloxane structure. The polyimide adhesive film has excellent heat resistance, high-frequency low dielectric property and good adhesive property. The glass-transition temperature is higher than 330 DEG C, the dielectric constant (Dk) at 10 GHz is smaller than 3, the dielectric loss (Df) value is 0.003-0.006, and the peel strength after the polyimide adhesive film is in hot-pressing adhesive connection with a copper foil is larger than 10 N/cm. The application requirements of flexible printed circuit board manufacturing and interlayer bonding and insulation in multi-layer circuit board lamination wiring processing can be met. The polyimide adhesive film provided by the invention can be widely applied to the fields of high-frequency flexible printed circuit boards, high-frequency film antennas and the like.

The invention provides an assembling and pressure maintaining jig. The assembling and pressure maintaining jig comprises an electrical control box, a bottom board and a first cylinder connected with the electric control box. A first supporting board and a second supporting board which are arranged in parallel are fixed to the bottom board. The first supporting board and the second supporting board are connected and fixed through a cylinder connecting board. The first cylinder is fixed to the cylinder connecting board. The assembling and pressure maintaining jig further comprises a suction nozzle and a fixing tool. A cylinder push board is arranged on the first cylinder. A connecting board is arranged below the cylinder push board. A pressing block is fixed below the connecting board and used for maintaining the pressure of bonded workpieces. The suction nozzle is fixed to the connecting board and embedded in the pressing block. The suction nozzle is connected with the electrical control box through a first air pipe and used for sucking the workpieces for transfer. The fixing tool is movably connected with the bottom board. A first workpiece containing groove and a second workpiece containing groove which are matched with the workpieces to be assembled are formed in the fixing tool. By the utilization of the assembling and pressure maintaining jig, production efficiency is high and investment cost is low.

The invention discloses a lithium ion battery diaphragm as well as a lithium ion battery. The lithium ion battery diaphragm includes a diaphragm base material and non-symmetric organic coatings comprising a first organic coating and a second organic coating, which are formed by respectively coating both surfaces of the diaphragm base material with organic polymers; herein, the first organic coating and the second organic coating include non-symmetric organic coatings, which are prepared from the same organic polymer but are in different surface densities, or include non-symmetric organic coatings, which are prepared from different organic polymers but are in the same surface densities, or include non-symmetric organic coatings, which are prepared from different organic polymers and are indifferent surface densities. In the invention, by coating the both surface of the diaphragm base material with the non-symmetric organic coatings, direct current internal resistance of the lithium ionbattery is reduced on the basis of satisfying the adhesivity between positive and negative plates of the lithium ion battery, so that the lithium ion battery has better performances.

The invention discloses a large amount attachment and culture method of monostroma zygote. The method comprises the steps of S1, collecting monostroma as seed algae, and drying the monostroma in shade for 12-14 hours indoors; S2, adding the seed algae into sea water for culturing, inflating and stirring the seed algae in strong illumination, adding distilled water at the same time, and conducting filtration after 15-25 min to obtain a gamete solution; S3, placing seedling plates in the gamete solution obtained in S2, conducting treatment in darkness for 9-12 hours, conducting zygote attachment, conducting intermittent illumination culture at certain temperature, conducting zygote culturing, keeping the illumination cycle of 12 hours per day, replacing half of the seawater every 15 days, and conducting culturing for 5-7 months. According to the method for large-amount attachment and culture of monostroma zygote on the seedling plates, a large amount of high purity monostroma gamete solution can be stably obtained at one time, and the attachment and culture of the zygote can be carried out. The method provides the technical foundation for the large-scale artificial breeding and culture of monostroma, and possesses a promotion and application prospect in the obtainment and culturing of green algae zygote.

The invention relates to a teflon dynamic low temperature plasma surface modified long-acting hydrophilic membrane and its preparation method. The teflon dynamic low temperature plasma surface modified long-acting hydrophilic membrane is composed of three layered structures: an interface layer is a teflon membrane (1) of 0.025-1mm thickness, and each of the upper and lower surfaces of the teflon membrane is coated with a layer of low temperature plasma hydrophilic membrane (2) (3) of 10-300nm thickness. The hydrophilic membrane provided by the invention has advantages of simple structure, reasonable design, good surface hydrophilic effect, long maintenance time of the hydrophilic effect, high production efficiency and no influence of the preparation process on the environment, and can meet requirements on printing, gluing, bonding and compounding with other materials.

The invention relates to a non-woven fabric. A nano bulge structure is formed in the surface of the non-woven fabric, and is at least one of a spherical bulge, a conical bulge, a rod-link bulge, a rectangular bulge, a needle-shaped bulge and a fibrous bulge, wherein the mean diameter of the bulge structure is 1-100nm, and the length of the bulge is 10-1,000nm. The invention further provides a method for preparing the non-woven fabric. The method comprises the following steps: (i) providing a reactor, and putting raw materials for preparing a nano material into the reactor; (ii) putting a to-be-processed non-woven fabric into the reactor, and beginning to react; and (iii) taking out the non-woven fabric from the reactor after reacting, and processing to obtain the non-woven fabric with the nano bulge structure on the surface. The invention further provides a separating membrane and a preparation method of the separating membrane.

The present invention addresses the problem of providing a polyester fiber cord for reinforcing rubber, said polyester fiber cord exhibiting good adhesion to an ethylene-alpha-olefin-unconjugated diene copolymer rubber blend and improving the processability during the production of a product such as an automotive hose. As a means for solving the above problem, provided is a polyester fiber cord for reinforcing rubber that is obtained by adding, to a polyester fiber to which a polyepoxide compound has been preliminarily added, an adhesive comprising at least a resorcin-formalin-rubber latex (A), a blocked polyisocyanate compound (B) and a halogenated phenol derivative (C), characterized in that: the rubber latex that is a component of the adhesive contains 80-100 parts by mass, per 100 parts by mass of the total solids of the rubber latex, of a mixture of a chloroprene rubber latex (D) with a polybutadiene rubber latex (E); and the mixing ratio of (D) to (E) [(D)/(E): solid content mass ratio] is from 80/20 to 20/80.

The invention belongs to the field of adhesives, and discloses preparation and application of an environment-friendly flame-retardant adhesive for cartons. The preparation method of the flame-retardant adhesive comprises the following steps: adding high amylose into a calcium chloride solution, uniformly stirring, and heating to obtain a transparent colloidal fluid; and adding glycerol into the transparent colloidal fluid, carrying out heat preservation, stirring and blending, and cooling to obtain the green and environment-friendly flame-retardant adhesive for the carton. The high amylose is natural starch with the high amylose content of more than 50% in starch. The environment-friendly flame-retardant adhesive for the carton is prepared by creatively adopting the high-amylose starch and the glycerol as raw materials, and the flame-retardant adhesive for the carton has flame retardance and can prevent fire disasters while meeting the requirement of carton adhesion.

The invention belongs to the technical field of solar photovoltaic cells, and particularly relates to an anti-aging and anti-cracking polycrystalline solar cell backboard, which comprises an outer weather-proof protective layer, a barrier layer, a structure enhancement layer and a laminated bonding layer, wherein the outer weather-proof protective layer and the barrier layer are bonded and fixed through a first bonding layer, and an anti-cracking coating is arranged on the inner surface of the barrier layer. According to the invention, the requirements of insulativity, adhesion and weather resistance of the solar cell backboard are met, so that the solar cell backboard has good water vapor barrier property, and the water vapor transmission rate is greatly reduced; carbon black is used forincreasing the viscosity, stress at definite elongation and hardness of the rubber material; and by adding the carbon fibers, the tensile strength, the tearing strength and the peeling strength of thecoating are enhanced, so that the mechanical properties of the coating and the backboard are greatly improved, the anti-cracking performance of the solar cell backboard is greatly and remarkably improved compared with a traditional backboard structure, and the service life of the solar cell backboard is effectively prolonged.

The invention discloses a bicycle tube nail finding device. The bicycle tube nail finding device comprises a base, a nail clamping base and a rotating sleeve; the base is rectangular, is provided withsupport pieces on the left and right sides of the top, and is provided with a nail clamping base mounting groove in the center position of the top; the nail clamping base is mounted in the nail clamping base mounting groove at the top of the base, and is interconnected by a spring; and the rotating sleeve is mounted on the support pieces of the base. The bicycle tube nail finding device can replace a hand touching operation mode for nail finding on pricked bicycle tubes after air leakage, effectively improves the nail finding efficiency, and prevents the hand puncturing.

The invention discloses an adjustable prickle measuring and nail searching device for a bamboo round forming dustpan. The device comprises a base, a nail clip seat and a rotary sleeve. The base is rectangular, the left and right sides of the top are provided with supporting sheets, and the central position of the top is provided with the mounting groove of the clip nail seat. The nail holder is installed in the nail holder mounting groove at the top of the base, and is connected with each other by a spring. The rotary sleeve is mounted on a support sheet of the base. The device can replace traditional hand touching manners for prickle measuring and nail searching after the bamboo disc encircling dustpan is shaped, effectively increases the prickle measuring and nail searching efficiency, avoids hand injury, and can be adjusted according to dustpans with different sides so as to meet the requirement of the dustpan of different sizes.

The invention discloses an adjustable bicycle inner tube tire nail fixing and repairing tire device. The adjustable bicycle inner tube tire nail fixing and repairing device comprises a base, a clip nail seat, a rotary sleeve and a spinning member. The base is rectangular, the left and right sides of the top are provided with supporting sheets, and the central position of the top is provided with the mounting groove of the clip nail seat; The nail holder is installed in the nail holder mounting groove at the top of the base, and is connected with each other by a spring. The rotating sleeve is arranged on the supporting sheet of the base; The spinning member is installed on the top of the base. The invention can replace the hand touch operation mode of the traditional bicycle tire after theinner tire is punctured and leaked, effectively improves the nail searching efficiency and avoids puncturing the hand, and can adjust according to the inner tubes of different sizes so as to meet therequirements of the inner tubes of different sizes, and can also carry out pressing and patching repair of the tire.

The invention provides heat-resistant low-temperature-curing epoxy glue. The heat-resistant low-temperature-curing epoxy glue is prepared from the following components in parts by mass: 100 parts of an epoxy resin composition, 65-120 parts of a curing agent, 0.5-5 parts of a curing accelerator, 0.2-5 parts of a stabilizer, 0-0.5 part of an antioxidant, 0.5-4 parts of a silane coupling agent and 10-35 parts of a filler, wherein the epoxy resin composition comprises bisphenol A type epoxy resin, hydrogenated bisphenol A type epoxy resin and hydroxyl-terminated polyether-ether-ketone. According to the invention, the epoxy resin and the thermoplastic polyether-ether-ketone are combined, and the silane coupling agent, the filler and other auxiliary components are added, so the heat resistance and damp-heat aging resistance of the epoxy glue can be effectively improved. The epoxy glue provided by the invention has the advantages of good storage stability at room temperature, rapid curing at low temperature, strong adhesive strength, good damp-heat aging resistance and the like, and can meet the requirements of use performance in special fields.

The invention discloses a method for cleaning a surface-processed electro-corrosion layer of a magnetic steel material, relates to the field of special processing, and includes a solution formula for cleaning and a cleaning process. The cleaning solution includes a pre-cleaning solution LCX‑52 water-based cleaning agent, mainly The cleaning solution is 300-400 g/L of chromic anhydride, and the cleaning process is ultrasonic cleaning with LCX-52 water-based cleaning agent (ultrasonic frequency 28-32Khz, the same below)→ultrasonic cleaning with chromic acid solution→ultrasonic rinsing with pure water→drying. The present invention can quickly and efficiently remove the electro-corrosion layer produced by electrical processing of magnetic steel materials. In the previous cleaning method, it needs to be polished and wiped one by one after cleaning. After cleaning, there is residual electro-corrosion layer, and the cleaning efficiency is low. There is basically no need for repeated cleaning and rework, which can realize mass production of parts, and the cleaned products will not change color and rust.

The invention discloses a pandanus austrosinensis deburring device. The pandanus austrosinensis deburring device comprises a base, deburring seats and a rotary sleeve, wherein the base is a rectangle,a support sheet are arranged on left and right sides of the top part of the base, and a deburring seat mounting groove is arranged in the center position of the top part; the deburring seat is mounted in the deburring seat mounting groove at the top part of the base and mutually connected by springs; and the rotary sleeve is mounted on the support sheets of the base. The pandanus austrosinensis deburring device can substitute for a traditional handwork mode for deburring pandanus austrosinensis, thereby effectively improving the deburring efficiency and avoiding puncture of hands.

Provided are: a support material which is suitable for stacking molding and is used for stacking molding of a target three-dimensional structure; and a method for producing a laminated molded article and a three-dimensional structure using the same. The support material comprises a heterofunctional group-modified polyvinyl alcohol-based resin obtained by modifying a heterofunctional group of a polyvinyl alcohol-based resin, and preferably by modifying the heterofunctional group to a terminal hydroxyl group, and can be provided in a filamentous form. In addition, the support material may be removed by water washing after manufacturing the laminated molded article including the target three-dimensional structure. The generated waste water is low in environmental burden, so that the waste water is easy to dispose.