67results about How to "Solving Adhesion Problems" patented technology

The invention discloses a vacuum plating paint, and preparation and construction methods thereof. The vacuum plating paint is composed of a priming coat, an undercoat and a finish coat, wherein the priming coat is prepared from polyurethane acrylate resin, acrylate, photoinitiator, organosiloxane leveling agent, butyl acetate, ethyl acetate and isopropanol; the undercoat is prepared from polyester-modified polyurethane acrylate resin, polyurethane acrylate resin, phosphate acrylate, photoinitiator, butyl acetate, ethyl acetate and isopropanol; and the finish coat is prepared from polyurethaneacrylate resin, acrylate, phosphate acrylate, photoinitiator, organosiloxane leveling agent, butyl acetate, ethyl acetate and isopropanol. By adopting imported environment-friendly raw materials, thevacuum plating paint has the advantage of low toxicity; no high-temperature high-pressure process is carried out in the production process, so the vacuum plating paint has the advantage of high safety; the vacuum plating paint does not need to be diluted, and thus, can be directly used conveniently; and the priming coat, undercoat and finish coat are cured under ultraviolet, so the vacuum platingpaint has the advantage of high production efficiency.

The present invention discloses a prescription of an adhesive used for an aircraft tire retreading. The adhesive considers caoutchouc as the main material and also contains the main auxiliary materials of styrene butadiene rubber, adhesion promoter, adhesive, high abrasion furnace black, high dispersion white carbon black, ketoamine age inhibitor, indiscerptible sulfur and sulfenamide accelerant. The main material and the main auxiliary materials are made into gross rubber according to certain weight portion ratio, and the gross rubber is mixed with gasoline by certain proportion to be made into the adhesive. The adhesive of the prescription has the advantage that the adhesive solves the problem of sticking an old tire body with a retreading component when the aircraft tire is retreaded, which ensures that the aircraft tire does not have the problem of the delamination of the glue material between the old tire body and the retreading component, bulging and other quality problems during the use course, and the tire is safe for using.

The invention discloses a preparation method of a high-emissivity energy-saving infrared radiation coating. The preparation method comprises steps as follows: step one, preparation of coating materials; step two, pretreatment of a base body; step three, spraying of the coating; and step four, sintering and curing of the coating. The coating is stable in structure under high-temperature sintering, performance is comprehensively promoted, the emissivity of the coating cannot be attenuated and aged during use, and the service life of the coating is longer than six years; glazing ceramic coating with a compact structure is formed on the furnace lining surface, the service life of a furnace is prolonged by more than two times, and maintenance and overhaul workload of a furnace lining, consumption of raw materials and maintenance cost are reduced.

The invention relates to a preparation method of core glue for a high-temperature resistant steel mesh conveyor belt, comprising the following process steps of: (1) mixing: adding ethylene propylene rubber, chloroprene rubber and carbon black in an internal mixer for mixing; (2) internal mixing by two stage: adding zinc oxide, stearic acid, aging inhibitorn aging inhibitor RD, an accelerator CZ, a binding agent RS, white carbon black, calcium carbonate, cobalt boroacylate and rubber oil in glue stock obtained from internal mixing, carrying out the first-stage internal mixing on the internal mixer and adding insoluble sulfur, the binding agent RA and zinc methacrylate in the obtained glue stock which is stood for 6-8 hours for the second-stage internal mixing; (3) discharging colloid obtained by two-stage internal mixing into an open mill for back mixing; and (4) pressing the colloid subjected to back mixing on an extruder into a sheet and obtaining the core glue. The invention can solve the problem that the core glue is bonded with the steel mesh under the high-temperature condition.

The invention discloses a positive ion branched chain starch wood adhesive and the method to manufacture. It adopts low oxidation to increase the starch aldehyde group after reaction to solve the strong cementing force of the adhesive. It adds cross linking agent etherifying agent, and oxidizing agent to branched chain to make the invention has strong cementing force, good water resistance, fluidity, and stability.

The invention discloses a manufacturing method of a soft glue mat, which comprises the following steps of: preparing materials, cutting fabrics, cutting sponge, smelting, filling glue, sticky coating the sponge, and pressing sides. An adopted glue filling device comprises a guide rail, glue dispensing working tables and a glue dispensing area, wherein the guide rail is annular; more than two glue dispensing working tables are arranged and are mutually connected, and at least one glue dispensing working table is provided with a driver; each glue dispensing working table is provided with a model frame; the glue dispensing area is arranged on the guide rail and is provided with a glue spraying support; a glue conveying pipe is arranged on the glue spraying support and is provided with a plurality of glue-smelting nozzles; and the glue dispensing area is also provided with a sensor and a controller, and the controller is respectively in signal connection with the sensor and the glue-smelting nozzles. The soft glue mat has favorable rebound resilience, favorable tactility, functions of skid resistance, resistance to water logging and the like, and reasonable process, and is suitable for batch production. The glue filling device has the characteristic of high working efficiency, the labor cost can be saved, and the production effectiveness is improved.

The invention relates to an ultrahigh molecular weight polyethylene fiber/rubber composite material and a preparation method thereof. The composite material comprises, by mass, 100 parts of rubber, 20-50 parts of a semi-reinforcing agent, 2-10 parts of an activator, 1-5 parts of sulfur, 1-5 parts of a vulcanization accelerator, 20-50 parts of a plasticizer , and 1-10 parts of an ultrahigh molecular weight polyethylene fiber. The preparation method comprises the steps of mixing above raw materials except the ultrahigh molecular weight polyethylene fiber in an open rubber mixing machine to obtain a semi-finished rubber product, and carrying out composite vulcanization on the semi-finished rubber product with the ultrahigh molecular weight polyethylene fiber. The composite material maintains the original mechanical properties of the rubber and the fiber, and the shear effect of the composite material improves the bonding performance of the fiber in the rubber, so the problem of difficult bonding of the fiber to the rubber due to the smooth surface of the fiber is solved; the composite material allows a matrix material to be directly firmly combined with the fiber, and is suitable for anti-aging low saturation rubber; and the preparation method has the advantages of simplicity, reduction of the raw materials and the consumption of energy in the process, cost saving, and suitableness for industrial mass production.

The invention relates to a production technology of an instant cap cord fabric strip applied to a tire cap ply. The production technology comprises the steps as follows: 1) yarn twisting: high-strength nylon 66 industrial yarn is twisted firstly and twisted yarn is prepared; 2) plying twisting: the twisted yarn is subjected to plying twisting and cords are prepared; 3) weaving: the cords subjectedto plying twisting are woven and fabric edges are subjected to edge locking treatment; 4) impregnation: cord fabric is subjected to special glue impregnation and special glue absorption treatment, and after impregnation, drying, drawing and setting treatment are performed, passive rolling and packaging are performed; 5) width separation; 6) strip separation and packaging. The instant cap cord fabric strip can be directly applied to tire forming and replace a calendered rubber cord fabric cap strip, multiple tire manufacturing processes are omitted, the consumption of tire cap ply rubber is reduced, and the production cost and the raw material cost of a tire plant can be substantially reduced.

The invention relates to a production method for glasses with a secondary-injected nose support and a structure of the glasses and discloses a production technical method for the glasses with the nose support and a glasses structure manufactured by the technical method. The method comprises the following steps of (1) performing disposable injection on a glasses framework raw material in a glasses framework mold at the temperature of 150-220 DEG C to form a glasses framework with a nose support fixing convex block, and cooled-molding and shaping the glasses framework; (2) arranging the nose support fixing convex block of the molded glasses framework at a position corresponding to a nose support mold, performing secondary injection on a nose support raw material at the temperature of 150-220 DEG C to form a nose support, injecting the nose support on the convex block of the glasses framework, and performing cooled and fixed molding on the nose support; (3) injecting glasses legs on the glasses leg mold, and cooled-molding and demolding the glasses legs; and (4) assembling the glasses framework and the glasses legs to form a finished product. By adopting secondary injection, the nose support and the glasses framework achieve an extremely good fixing effect; furthermore, the labor cost is saved, and the efficiency is improved.

The invention discloses an anti-reflection DLC film with sulfur-series infrared glass as the substrate and a preparation method of the anti-reflection DLC film. The anti-reflection DLC film with the sulfur-series infrared glass as the substrate comprises a sulfur-series infrared glass substrate layer, a DLC film layer and bonding layers arranged between the sulfur-series infrared glass substrate layer and the DLC film layer, and the bonding layers comprise alternating ZnSe layers and Ge layers, and 2-5 layers of the ZnSe layers are arranged. The anti-reflection DLC film with the sulfur-series infrared glass as the substrate has an excellent anti-reflection effect, temperature resistance, mechanical strength and adhesive force and is simple in preparation and easy to operate.

The invention relates to a hot melt adhesive for a steel plastic composite pipeline and a production method of the hot melt adhesive. The hot melt adhesive comprises the following raw materials in percentage by weight: 95 to 98 percent of high-density polyethylene, 0.9 to 2.0 percent of maleic anhydride, 0.02 to 0.2 percent of peroxide, 0.09 to 0.5 percent of antioxidant and 0.9 to 4.0 percent of solvent. The production method comprises the following steps of: adding the high-density polyethylene and the antioxidant into a mixing machine; controlling the temperature of a stirring machine to be between 35 and 40 DEG C and stirring for 2 to 7 minutes; and granulating by using an intermediate-speed cutting combined double-screw extrusion granulator, wherein the extruding temperature is between 170 and 180 DEG C and the temperature of a machine head is between 190 and 200 DEG C. The hot melt adhesive is used for solving the bonding problem between a steel belt and plastic during production of the steel plastic composite pipeline. Based on detection required indexes according to the industrial standard CJ/T225-2006, the peeling strength meets the standard; the ring flexibility is qualified; and the product is qualified after passing a sunlight insolation test. All the indexes meet the industrial standard.

The invention discloses a submerged arc bead welding technique which comprises the following steps: the outer surface of the bead welding body is machined to be a certain smaller thickness, a fatigue layer, defects or cracks on the bead welding body surface are removed, and the bead welding body is pre-heated, when the temperature reaches about 250 DEG C, NH-69S is used as the welding material, the bead welding body is rolled-position welded under certain conditions of welding parameters, the welded bead welding body is cooled down to 100 DEG C and kept for a certain period of time, and continue to cool down below 50 DEG C, after that the cooling rate is not controlled, the gained bead welding body is processed for tempering, and finally the bead welding body after tempering is slowly cooled down with the furnace. The submerged arc bead welding technique has the advantages that the bonding problem between the steel coil and the cradle roll is solved by using the bead welding technique, the production costs are saved, and the production quality of the product is improved.

The invention relates to a novel multilayer co-extrusion medical transfusion film and a preparation method of the novel co-extrusion medical transfusion film. The materials of the novel multilayer co-extrusion medical transfusion film are divided into five layers in composition, wherein the first layer is an internal layer A and the ingredient of the internal A is polypropylene catalyzed by metallocene; the second layer is a bonding layer B and the ingredient of the bonding layer B is an ethylene-vinyl acetate copolymer; the third layer is a core layer C and the ingredient of the core layer C is mixed resin composed by random copolymerization polypropylene and an ethylene-alpha-octylene copolymer; the fourth layer is a bonding layer D and the ingredient of the bonding layer D is an ethylene-alpha-octylene copolymer; and the fifth layer is a weather-resistant layer E and the ingredient of the weather-resistant layer E is mixed resin composed by a random copolymerization polypropylene material, a styrene-ethylene-bivinyl rubber-styrene copolymer, and an ethylene-alpha-octylene copolymer. A multilayer co-extrusion technology is adopted in the preparation. The multilayer co-extrusion medical transfusion film provided by the invention has the advantages of high transparency, good weather-resistance and flexibility, wear resistance and the like, and is particularly appropriate for use as a packaging material in the field of medicine.

The invention relates to a preparation method of a spun yarn fabric for enhancing a thermoplastic resin. The preparation method comprises the following steps: a thermoplastic resin emulsion with the weight of 1-8% of the weight of the spun yarn fabric is adopted to dip the fabric, and the dipped fabric is taken out, is subjected to superfluous emulsion removal and is dried to obtain the resin-infiltrated spun yarn fabric. The preparation method which has the advantages of convenient operation, low cost and no presence of organic solvents in the whole process is an environmentally friendly processing technology; resins with any vitrification points, even thermal crosslinking resins can be prepared through the emulsion polymerization, so yarns have various viscoelasticities, thereby the absence of the organic solvents is endowed in the preparation process of composite materials with various excellent performances; and a problem that molten resins are difficult to infiltrate the spun yarn is solved, so fibers of the yarn can be bonded, thereby the preparation method, which allows mechanical performances of the composite materials to be obviously improved when the preparation method is applied to the composite materials, has a good application prospect.

The invention provides an interlayer formwork for aseismatic joint construction, and a mounting method of the interlayer formwork. The interlayer formwork comprises a formwork body for formwork erecting and a supporting device connected with one side of the formwork body and used for supporting the formwork body, and a non-stick plate connected with a wall body is connected to the other side of the formwork body. By adopting a perlite plate, reinforced concrete does not make direct contact with an aluminum formwork, and thus the problem of cohesive force is solved. By adopting the aluminum formwork, a certain space is reserved for demounting the formwork. By adopting an adjustable screw rod, the construction difficulty is lowered.