40results about How to "No loss of adhesion" patented technology

The invention relates to a heavy-duty coating for prolonging life of sheet metals and a preparation method of the heavy-duty coating. The heavy-duty coating is obtained by mixing an epoxy component and a curing component according to the weight ratio of 4:1, wherein the raw materials of the epoxy component comprise resin, additive resin, an anti-rust material, a solvent and an auxiliary agent; and the raw materials of the curing component comprise an amine adduct, a curing auxiliary agent and a solvent. Compared with the prior art, the product obtained by the preparation method has the excellent performances as follows: the hardness is not less than 2H, the adhesion is 0-1 level, the corrosion resistance is improved by 7-10 times in comparison with the traditional surface treatment, and the heavy-duty coating can resist salt spray test for 1000h or more.

The invention belongs to the technical field of ceramic fiber materials and in particular relates to a high-temperature resistant ceramic fiber plate. The high-temperature resistant ceramic fiber plate is prepared from the following raw materials in parts by weight: 95-96 parts of alumina silicate fiber, 1-2 parts of dispersing agent and 3-4 parts of zirconium latex, wherein the dispersing agent is a mixture of Na2SiO3 and CaCO3 and the zirconium latex is a mixture of ZrO2, Y2O3 and H2O2. The invention also provides a preparation method of the high-temperature resistant ceramic fiber plate. The preparation method comprises the following steps: mixing and stirring the raw materials, carrying out wet vacuum molding, drying and processing to obtain a product, wherein the drying time is 110-120 DEG C and the time is 22-24 hours. The high-temperature resistant ceramic fiber plate prepared by the preparation method can bear the high temperature being above 1100 DEG C and does not lose cohesive force.

There is provided a curable resin having an unsaturated group and a carboxyl group at the terminals of its side chains, such as a curable resin obtained by reacting an unsaturated group-containing monocarboxylic acid (d) with a reaction product (c) of a compound having three or more phenolic hydroxyl groups in its molecule (a) and an alkylene oxide (b) and further reacting a polybasic acid anhydride (f) with the resultant reaction product (e). By compounding such a curable resin with a photopolymerization initiator, a photosensitive (meth)acrylate compound, an epoxy compound, a diluent solvent, another curable resin which has a carboxyl group and an unsaturated group in its molecule and which is in the state of solid at room temperature, a flame-retardant, etc., there is obtained a photocurable and thermosetting resin composition which is useful for the formation of a solder resist of a printed circuit board, an interlaminar insulating layer of a multi-layer circuit board, or the like.

The invention discloses a metal microstructure forming method which is applied to the manufacturing process of a microstructure component; by utilizing the metal microstructure forming method, a second type of metal is not needed to be electric-plated to surround the periphery of the metal and the second type of metal is not needed to be etched when a three-dimensional metal microstructure of the microstructure component is formed, therefore, the residual stress caused by electric-plating is reduced, no residual stress exists among the metal layers, a base plate attached by the metal is not deformed and the implementing of the follow-up manufacturing process of the microstructure component is not affected; in addition, as the second type of metal is not needed to be etched, the problem that etchants are permeated to the interface at each layer does not exist, adhesive force reduction at each layer can not caused, so as not to affect the functions of the microstructure component.

The invention relates to a novel environment-friendly type water-based glass baking paint. The novel environment-friendly type water-based glass baking paint is prepared from the following componentsaccording to a proportional ratio by weight: 25 to 35 parts of organosilicone modified acrylic resin, 5 to 15 parts of water-based hydroxy acrylic resin, 5 to 15 parts of water-based polyurethane resin, 0.5 to 2 parts of organosilane adhesion promoter, 1 to 10 parts of cosolvent, 0.1 to 0.5 part of flatting agent, 0.1 to 0.5 part of wetting agent, 0.5 to 1 part of pH (potential of hydrogen) regulator, 0.01 to 0.03 part of defoaming agent, 5 to 15 parts of color paste, and 1 to 10 parts of water. The invention also provides a preparation method of the novel environment-friendly type water-basedglass baking paint. The novel environment-friendly type water-based glass baking paint has the advantages that the adhesion force is high, and the wetting property, water-resistant property, weather-resistant property and other comprehensive properties are stronger; the preparation technology is simple, and is suitable for being widely popularized and applied.

An assembly method and a motor vehicle body having at least one marginal portion delimiting a bodywork opening is provided. The motor vehicle includes a plasma-treated gluing surface to which a seal is fastened in a materially joined manner.

The invention discloses a method for forming a metal microstructure, which is applied to a process of manufacturing a microstructure component. By the method for forming the metal microstructure, a second metal is not required to be electroplated around the periphery of the metal and is not required to be etched in the process of forming a stereoscopic metal microstructure of the microstructure component, the residual stress caused by electroplating can be reduced, residual stress does not exist between metal layers, a substrate to which the metal is attached does not deform, and a subsequent process of manufacturing the microstructure component is not influenced; and moreover, because the second metal is not required to be etched, the problem that an etching solution penetrates each layer of interfaces is solved, the adhesive force on each layer cannot be reduced, and the function of the microstructure component is not influenced.

The invention relates to a low temperature and wetness bondable macromolecular self-adhesive waterproof coil material, which comprises a base layer. The upper surface and lower surface of the base layer are provided with a self-adhesive layer, and the outer surface of the self-adhesive layer is provided with a covering layer. The coil material provided by the invention has the advantages of reasonable structure, good adhesion at low temperature, nondecreasing adhesion when encountering water, great tensile strength and large elongation, and is especially suitable for waterproof construction in cold areas and in winter. The self-adhesive coil material construction is cold operation, has no need for naked flame, does not produce pollution, and does not cause energy waste, and is especially suitable for waterproof engineering at granaries, oil depots, chemical plants and the like not easy for naked flame operation. The coil material is convenient to maintain, can save a lot of maintenance cost, and has high tensile strength, good dimensional stability, and lasting and stable waterproof effect.

The invention relates to a high-adhesion normal-temperature curing organic protective coating suitable for surfaces of a plurality of types of low-treatment aluminum alloy. A method for preparing thecoating firstly comprises the step of preparing pretreatment anticorrosive slurry: adding a passivating functional pigment, a resin liquid, a coupling agent and an auxiliary agent into a mixed solventunder stirring to obtain the stable slurry; and the normal-temperature curable organic protective coating used for the low-treatment aluminum alloy surfaces is composed of an A component and a B component, and the A component and the B component are used cooperatively, wherein the A component mainly comprises the above pretreatment anticorrosive slurry, and further comprises an epoxy resin liquid, a pigment filler, an auxiliary agent and an appropriate amount of solvent, and the B component is a mixture of a polyamide-based curing agent and a mixture of xylene and n-butanol. The special coating for the low-treatment aluminum alloy provided by the invention not only has excellent comprehensive performance on the aluminum substrate, but also eliminates a complicated and cumbersome processing technology to a substrate before coating of a traditional coating, meets novel trend of saving energy and reducing consumption, and has broad application prospects.

The invention discloses a metal microstructure formation method, which is applied to the manufacturing process of a microstructure assembly. By utilizing the metal microstructure formation method of the invention, the stereo metal microstructure of the microstructure assembly can be formed without electroplating a second metal for surrounding the periphery of the metal and without etching the second metal, so residual stress caused by the electroplating can be reduced, there is no residual stress between metal layers, and a baseboard adhered by the metal is not deformed, thereby subsequent manufacturing processes of the microstructure assembly are not influenced; and the etching of the second metal is not needed, so a problem that an etching liquid penetrates into each layer interface does not generate, and the adhesion of each layer does not decrease, thereby functions of the microstructure assembly are not influenced.

The invention relates to pine soot Huizhou ink and a preparation method thereof. According to the preparation method, a nano preparation process is introduced into the preparation of the Huizhou ink for the first time, sodium cholate in a specific proportion is added into the pine smoke, a nano-scale pine smoke mixture is prepared by a high-pressure homogenization process, and the pine smoke Huizhou ink is further prepared. The pine smoke Huizhou ink prepared by the technology can neglect the influence of the proportion of added glue to a certain extent. Even if a large proportion of glue is added, the writing is also smooth, and the adhesive force is not reduced under the condition that a low proportion of glue is added. The process is suitable for industrial production.

The invention discloses a negative-pressure jointing bobbin comprising a bobbin body. A plurality of negative-pressure holes are uniformly formed in an annular jointing area of the bobbin body. A negative-pressure cavity is formed inside the bobbin body in correspondence to the annular jointing area and is communicated with the negative-pressure holes. Air in the negative-pressure cavity is sucked to form negative pressure. A negative-pressure adsorption area is formed in the annular jointing area. Yarns are adsorbed in the annular jointing area under negative pressure. Negative pressure is formed in the negative-pressure cavity by a suction fan, and the negative-pressure holes in the wall of the bobbin body are used for adsorbing the yarns so as to facilitate automatic doffing jointing, so that the automatic doffing jointing rate is up to 100%, labor intensity is reduced, no yarns are left, and utilization rate of roving yarns is greatly increased.

The invention relates to a high-accuracy weighing device and method for raw materials for liquid crystal display glass. And the device comprises a high accuracy electric scale for accurately weighing smaller numbers of raw materials and an electric scale for weighing larger numbers of raw materials, where the material outlet of the former is connected through the lower paddle with the material inlet of the latter, and the material outlet of the latter is connected with a material mixer; firstly the smaller numbers of raw materials are added in sequence to the high accuracy electronic scale for accurate weighing and after this, they enter through the other electronic scale into the material mixer, thus able to assure the weighing accuracy of the smaller numbers of raw materials and further improve the preparing quality of the auxiliary materials.

The present invention relates to the technical field of food processing devices and particularly to an automatic processing and forming production device of farfalle. The automatic processing and forming production device of farfalle comprises a first conveying mechanism, a second conveying mechanism arranged at an output end of the first conveying mechanism, a forming mechanism arranged at an output end of the second conveying mechanism in a conveying direction of the second conveying mechanism, a discharging mechanism arranged at an output end of the forming mechanism, and a packaging mechanism arranged at an output end of a material chute. Through cooperation of a first forming part and a second forming part, dough skins are pressed into side-edge M shapes, meanwhile, the dough skins atfirst notches and second notches are bonded through mutual movements of forming rods, then the formed farfalle enters packaging boxes through the material chute, the packaging boxes and box covers are nailed together through a stapling assembly after the box covers are additionally arranged on the packaging boxes through an external mechanical arm, packaging is finished, automatic production andpackaging of the farfalle are achieved, and production quality and a utilization rate of waste materials are improved.

The invention discloses an inulin-containing wet-mixed mortar admixture and application thereof, and relates to wet-mixed mortar admixtures. The admixture comprises a retarder, wherein the retarder comprises inulin. It is shown through experimental results that the inulin-added wet-mixed mortar has an operation time of up to 37 hours, needs of the wet-mixed mortar for long-term storage at a construction site are met, and the early strength is not reduced; and prepared mortar is loose and soft, and has good water retention properties, and the water retention rate can reach 98.4%.

[Problem] To provide an ink composition for a coated steel sheet, whereby, when a marking layer produced from the ink composition is provided between two coating layers (i.e., an upper coating layer and a lower coating layer) each formed from a coating agent and provided on the surface of a steel sheet, it becomes possible to prevent the deterioration of adhesion force of the two coating layers at the marking position and therefore it becomes possible to provide such a marking that the upper coating layer cannot come from the lower coating layer at the marking position or the upper coating layer cannot be delaminated from the lower coating layer at the marking position. (Solution) The present invention provides an ink composition for a coated steel sheet, which comprises an organic solvent, a pigment, a dispersant and a resin, said ink composition being characterized in that the resin comprises an acrylic resin and/or a styrene-acrylic resin each having an acid value of 150 mgKOH/g or less and a glass transition temperature ranging from 0 to 55°C.