149results about How to "Good bonding properties" patented technology

The invention discloses an LED fluorescent glue prepared from the following components (by the total weight of 100%): 3.10%-3.40% of OE-6450A (silica gel main agent), 2.60%-2.90% of OE-6450B (silica gel curing agents), 72.80%-75.54% of TO powder (dispersing agents), 6.3%-7.0% of silicon dioxide powder (SiO2), 10.6%-11.8% of aluminum oxide powder (Al2O3), 1.4%-1.7% of ST-11001 (silica gel), 0.28%-0.32% of JZ-520A (glue main agent) and 0.18%-0.22% of JZ-520B (glue curing agents). The invention can effectively excite the light spots of finished products and improve the confidence degree of finished products, has the advantages of low cost and convenient use, and can be used for preparing fluorescent powder for white-light LED elements.

The invention discloses a wood adhesive prepared by degrading soybean protein by utilizing strong basicity and a preparation method thereof, and relates to a soybean protein-based wood adhesive and a preparation method thereof. The invention solves the problems of low content of the soybean protein, high moisture content and large viscosity existing in conventional soybean adhesives or soybean protein adhesives. The product is prepared by performing a degradation reaction of defatted soybean protein powder or soybean protein isolate, strong base and water, then using strong phosphoric acid to adjust the pH value of the obtained solution, and then adding dialdehyde into the obtained solution to mix the solution evenly. The method comprises the steps of: 1, weighing; 2, preparing strong base solution, heating the strong base solution, adding the defatted soybean protein powder or the soybean protein isolate into the strong base solution under stirring, and then cooling the strong base solution to a room temperature after heating reflux; and 3, using the strong phosphoric acid to adjust the pH value, adding the dialdehyde into the solution, and stirring the solution evenly. The adhesive has the advantages of high content of the soybean protein, low moisture content and low viscosity, and can be used for preparing plywood, flakeboards and medium-density fiberboards.

The invention relates to a moisture resistant oilproof electromagnetic wire epoxy self-bonding paint meeting heat resisting requirement more than thermal level of 155 DEG C, applied to enamelled wire with high bonding strength and good surface quality. The moisture resistant oilproof electromagnetic wire epoxy self-bonding paint comprises the following components by parts by weight: 320-450 parts of methyl phenol, 350-480 parts of dimethyl benzene, 15-40 parts of polyurethane elastomer, 130-148 parts of epoxy resin, 10-30 parts of phenolic resion, 4.5-13 parts of amino resin, 0.8-1.2 parts of titanate coupling agent and 1-2 parts of flatting agent; wherein the weight-average molecular weight of the epoxy resin is 20000-30000. The main performance indexes of the manufactured product adopting the paint of the invention are as follows: 1, adhesiveness is good; 2, no cracking is produced when heat shock reaches 180 DEG C; 3, bonding strength is 11N/mm2, and the bonding strength in the JB/T6758.1-2007 standard is more than or equal to 5N/mm2.

The invention provides an automatic tire patching agent, which comprises an air pressure agent, an air pressure inhibiting agent, gels, rubber particles, fibers, solvents, additives and nanometer carbon powder. After the automatic tire patching agent provided by the invention is added with the nanometer carbon powder, the bonding characteristic is enhanced, the condensing shrinkage rate of the tire patching agent is reduced, and meanwhile, the friction resistance performance of tires is improved.

The invention discloses a preparation method of a polystyrene-acrylate core-shell composite emulsion, belongs to the emulsion preparation field, and solves the problems of adhesion resistance, poor heat resistance and the like of a thermoplastic polystyrene-acrylate random copolymer in the prior art. The preparation method is as follows: 1, weighing raw materials; 2, adding distilled water into a reactor, heating up, adding a compound emulsifier, a pH buffer and then part of a mixed vinyl monomer for emulsifying, adding part of an initiator, heating up to react until no reflux exists to obtain a seed emulsion; 3, continuing heating up, dripping off the rest of the mixed vinyl monomer, synchronously adding part of the initiator, after the dripping of the part of the initiator, keeping warm to obtain a core structure emulsion; 4, dripping a mixed acrylate monomer to the core structure emulsion, in the mixed monomer dripping process, adding part of the initiator, after dripping of the part of the initiator, adding the rest of the initiator, keeping warm, then cooling, adding ammonia water, stirring, further cooling, and filtering. The preparation method is applied in the fields of wood veneering, interior decoration, textiles and the like.

The invention discloses a preparing method of a thermoplastic resin matrix carbon fiber-titanium/titanium alloy laminate plate, and belongs to the field of light composite materials. The technical purpose is to solve the problem that currently the interface glue joint effect of titanium alloy of carbon fiber reinforcement titanium alloy laminate plate TiGr and a prepreg is poor. The thermoplastic resin comprises three kinds of high-performance thermoplastic resin including polyether-ether-ketone (PEEK), polyphenylene sulfide (PPS) and polyetherimid (PEI), with the coordination of a film laminating method and a powder impregnation method, the problem that the impregnation effect of the thermoplastic resin on carbon fiber is poor is solved.

A car door structure comprises a door inner panel 11, an interior door trim 12 and a noise insulation sheet 20. The interior door trim 12 is installed in the interior side of the door inner panel 11. The noise insulation sheet 20 is provided between the door inner panel 11 and the door trim 12, where it is hung down from the upper side to the lower side of the door inner panel like a curtain. The noise insulation sheet 20 is fixed to either the door inner panel 11 or the door trim 12. The noise insulation sheet 20 is provided at about an upper half or a lower half of the door inner panel 11, or it is provided at a central part of the door inner panel 11 while dividing approximately into three sections in a vertical direction or a horizontal direction.

The invention discloses a fluoroalkyl modified acrylate-containing low-surface energy, drag reduction and fouling prevention coating. The coating comprises a component A and a component B, wherein the component A comprises, by mass, 20-50% of fluoroalkyl modified acrylic resin, 2-15% of rosin, 15-25% of a composite antifouling agent, 5-15% of a pigment and filler, 1-5% of an assistant and 10-20% of an organic solvent; the component B is an N75 curing agent produced in the Bayer Company in Germany, and a mass ratio of the component A to the component B is 5:1-10:1; the structural formula of the fluoroalkyl modified acrylic resin is shown in the description; and in the structural formula, R1 is H or CH3, R2 represents a C1-4 alkyl group, and x, m, n and p are integers in a range of 1-9 respectively. The invention also discloses a preparation method of the coating. A film formed by using the coating has good bonding ability with a substrate, keeps lasting brightness, and also has the characteristics of excellent static/dynamic fouling prevention, low surface energy and drag reduction.

The invention discloses a coconut-fiber-reinforced crop straw composite material and a manufacture method thereof, aiming to provide the strong-toughness and environment-friendly biomass composite material having good mechanical property, gluing property, toughness and vibration damping property. The coconut-fiber-reinforced crop straw composite material is formed by adding coconut fibers in crop straw units and uniformly dispersing as well as crossing and interconnecting the coconut fibers in a composite material system to form a bulky mesh structure, wherein the mass fraction of the coconut fibers in the system is 10-50%. The manufacture method comprises the following steps of: preparing and preprocessing of the straw units, preparing of the coconut fibers, unit mixing, gluing, paving and billet assembling, prepressing, hot-press or cold-press molding, postprocessing and the like. The coconut-fiber-reinforced crop straw composite material is free from isocyanate adhesives, so that the preparation cost of an artificial board can be reduced; and the coconut-fiber-reinforced crop straw composite material can be used as a structure material and a damping material and applied to bearing structures and in rigid use environments with frequent vibration fatigue actions and easily occurring impulse loads so as to play roles of bearing, supporting, damping and denoising, and thus, the application field of the crop straw artificial board is enlarged.

The invention belongs to the field of maintenance of ballastless track maintenance and particularly relates to a ballastless track base plate exposed reinforcement repairing material and application thereof. The ballastless track base plate exposed reinforcement repairing material is made from, by mass, 21-52 parts of cement, 22-62 parts of broken stone, 10-20 parts of quartz sand, 4-18 parts of an enhancer, 2-10 parts of an anti-cracking agent, 0.5-9 parts of a water reducer, 1-2 parts of a toughener, 0-4 parts of a setting time regulator, and 0.5-1 part of a color regulator. The enhancer andthe toughener cooperate with the other components such that a ballastless track base plate repaired with the repairing material herein gains high compressive strength and good durability. The resultsof embodiments show that hardened slurry of the repairing material herein has 28-day compressive strength of 36.8-44.2 MPa, 28-day splitting adhesive strength of 1.8-3.1 MPa, and 28-day dry shrinkageof only -0.01% to 0.02%.

The invention belongs to the technical field of adhesives for artificial fiber plates, relates to a urea-formaldehyde resin adhesive and especially relates to a high-moisture resistance urea-formaldehyde resin adhesive and a preparation method thereof. The high-moisture resistance urea-formaldehyde resin adhesive comprises, by weight, 45-55 parts of formaldehyde, 1-18 parts of water, 22-30 parts of urea, 8-30 parts of a composite assistant, and 0.1-0.5 parts of methanesiliconic acid sodium salt. The composite assistant is obtained by mixing of 0.1-1 part by weight of polyvinyl alcohol, 1-95 parts by weight of melamine and 1-10 parts by weight of glycol. The invention discloses a preparation method of the high-moisture resistance urea-formaldehyde resin adhesive. The high-moisture resistance urea-formaldehyde resin adhesive has good viscosity and a low cost. The preparation method has simple processes and high production efficiency. An artificial board with the high-moisture resistance urea-formaldehyde resin adhesive has high moisture resistance and a very low water absorption thickness swelling rate, greatly widens an artificial board use environment and range and prolongs a board service life.

A car door structure, which includes a door inner protection panel 11 , an inner door lining 12 and a sound insulation board 20 . The inner door liner 12 is installed inside the door inner panel 11 . The sound insulation panel 20 is provided between the door inner panel 11 and the door liner 12 , wherein the sound insulation panel hangs like a door curtain from the upper side of the door inner panel to the lower side thereof. The sound insulation panel 20 is fixed to both the door inner panel 11 and the door liner 12 . The sound insulation panel 20 is arranged on the upper half or the lower half of the door inner panel 11, or when the door inner panel 11 is divided into three parts in the vertical or horizontal direction, it is arranged on the door inner panel Middle part of 11.

The invention discloses a soybean meal adhesive for blockboards, and a preparation method thereof. The adhesive comprises, by mass, 22-26 parts of soybean meal powder, 86 parts of a dispersing agent,2-3 parts of trypsin, 1-2 parts of a composite viscosity regulator, 2-3 parts of a branched polymer cross-linking agent and 0.04-0.04 part of calcium phosphate. The preparation method comprises the following steps: K1, performing plasma treatment on the soybean meal powder in a nitrogen atmosphere, then adding calcium chloride and the dispersing agent, performing ultrasonic treatment, adding trypsin, performing treatment at 50-60 DEG C for 20 minutes, cooling, adding phosphoric acid, and performing uniform stirring to obtain a first mixture; and K2, adding calcium phosphate and the branched polymer cross-linking agent into the first mixture, uniformly stirring, adding the composite viscosity regulator, mixing, and regulating the pH value to 9.0 to obtain the soybean meal adhesive for the blockboards. The adhesive is good in water-resistant adhesive property, and ensures the practical performance of the adhesive and the durability of the blockboards.

A multilayer printed wiring board (52) provided with a lower layer conductor circuit (26), an interlayer resin insulating layer (37) formed on the lower layer conductor circuit (26), an upper layer conductor circuit (44) formed on the interlayer resin insulating layer (37) and via-holes (51) connecting the lower layer conductor circuit (26) to the upper layer conductor circuit (44), wherein the lower layer conductor circuit (26) has a roughed surface (35) formed with an etchant containing a cupric complex and an organic acid, and the via-holes (51) are connected to the lower layer conductor circuit (26) through the roughed surface (35). Tight adhesion between the lower layer conductor circuit and the interlayer resin insulating layer and between the lower layer conductor circuit and the via-hole conductors can be improved and the high connection reliability of the via-hole parts is ensured even during heating or through heat cycle.

The invention belongs to the field of natural polymer chemical modification, and discloses a synthesis method of a lithium battery binder carboxymethyl cellulose salt. Raw materials such as cotton orcellulose powder, 10%-40% of a sodium hydroxide solution and lithium hydroxide a solvent and chloroacetic acid and the lick are subjected to strict condition control in a reaction kettle, so that a mixture product of sodium carboxymethyl cellulose and lithium carboxymethyl cellulose is prepared, and the ratio of sodium carboxymethyl cellulose to lithium carboxymethyl cellulose randomly ranges from10% to 90%. A slurry method is adopted for preparation, so the product flexibility is better, substituent distribution more uniform; in the pulping and coating process of the lithium battery, the flexibility of the binder is improved, the processability of the electrode plate is better, and a certain amount of lithium ions are doped in the binder, so that the total amount of the lithium ions in the whole lithium battery system can be additionally increased, the electrochemical performance of the lithium battery is improved, and the performances are incomparable better to those of sodium carboxymethyl cellulose produced by a kneading machine method.

The embodiment of the invention discloses a passivation solution for improving the cementing performance of zinc-aluminum-magnesium plated steel and a preparation method of the passivation solution. The method comprises the steps of obtaining a zinc-magnesium-aluminum ternary salt solution; dissolving ammonium fluozirconate and an alkaline solution in deionized water, and performing reaction in an inert atmosphere to obtain a solution B; dropwise adding the zinc-magnesium-aluminum ternary salt solution and the solution B into deionized water until the pH value is 7.5 to 9 to obtain a mixture; performing stirring, crystallization and solid-liquid separation on the mixture to obtain an inorganic material; uniformly mixing a silane coupling agent, a surfactant and deionized water for reaction to obtain organic material liquid; and uniformly mixing the inorganic material liquid and the organic material liquid according to the weight ratio of (1-2):(10-20) to obtain the passivation solution for improving the cementing performance of the zinc-aluminum-magnesium plated steel. According to the embodiment of the invention, the passivation solution is prepared in an organic and inorganic composite mode, and the cementing performance of the zinc-aluminum-magnesium plated steel can be improved.