34results about How to "Quick drying and curing" patented technology

The invention relates to a photocuring double-component polyurea waterproof coating and a preparation method thereof. The photocuring double-component polyurea waterproof coating is composed of a component A and a component B. The raw material formula of the component A comprises a polyurea prepolymer and an acrylic acid modified polyurea prepolymer, and the polyurea prepolymer is prepared through a reaction of isocyanate and steric hindrance secondary amine. The raw material formula of the component B comprises amino-terminated polyether, an amine chain extender, a photoinitiator, a defoaming agent, an antioxidant and a plasticizer. The steric hindrance secondary amine and the amine chain extender are respectively selected from asparaginic acid ester steric hindrance type secondary amine. An asparaginic acid ester compound is introduced into the component A and the component B at the same time, the photoinitiator is used in cooperation, the coating can be rapidly and deeply dried and cured to form a film after being irradiated by ultraviolet rays, and the weather resistance is good. Acrylic acid is introduced for modification, so that the coating has the flexibility of polyurethane and the hardness of acrylic acid at the same time, and the coating also has excellent cohesiveness, excellent self-repairing and self-healing performance and long opening time.

The invention discloses a method for preparing an alumina catalyst carrier. The method comprises the following steps: uniformly mixing the following components in the ratio: 30-80 percent of pseudo-boehmite, 10-50 percent of superfine cellulose powder and 5-30 percent of quick-dehydrating powder; uniformly mixing, and grinding the mixed materials; preparing an acid solution in a weight ratio of acid to water being (0.5-30):100; adding the ground powder into a charging container; adding the prepared acid solution into a pressurized and flow-controllable container; printing the charging container filled with powder on a 3D printing mechanism under computer control layer by layer to obtain a finished product of a profiled large active alumina carrier. The method can be used for manufacturing mass integrated active alumina catalyst and preventing the phenomenon of dry cracking.

The invention discloses a quick blow-drying device for transfer printing marks of shaping rubber pipe products. The quick blow-drying device comprises a support (1), a belt conveyor (2), an air blower (3) and a blow pipe (4). The technical scheme includes that the blow pipe is arranged above the belt conveyor, air provided by the air blower is dispersed through the air pipe to be upwardly blown to the belt conveyor, and when the quick blow-drying device is in operation, rubber pipe products after transfer printing of marks are placed on the belt conveyor and carried by the belt conveyor to pass through a blow-drying area of the blow pipe to enable ink marks to be quickly dried and cured. The defects of low efficiency and high cost of prior art are overcome, and efficiency improvement and cost reduction in transfer printing of the shaping rubber pipe products are realized by means of blowing for quick drying and automatic conveying.

The invention discloses an anticorrosive paint based on amination linoleic acid copolymerized acrylic resin and a preparation method of the anticorrosive paint. The paint comprises following components of amination linoleic acid copolymerized acrylic resin, mica iron oxide, zinc phosphate, aluminium triphosphate, mica powder, talcum powder, organic bentonite, butyl acetate, ethyl acetate and the like. The process for preparing the amination linoleic acid copolymerized acrylic resin comprises steps that firstly acrylic prepolymer is prepared through mass polymerization, and then the acrylic prepolymer is further copolymerized with amination linoleic acid through free radicals through a solution polymerization method. The components are mixed according to a given proportion and then are rapidly blended and uniformly ground into particles with granularity of less than 50 micrometers. The prepared paint is coated on the metal surface and dried at normal temperature to form a membrane. The paint membrane has advantages of high solid content, rapid drying speed, good mechanical performance, good corrosion resistance and the like.

The invention discloses a preparation method of an inorganic fiber and wood plastic composite plate. The inorganic fiber and wood plastic composite plate is molded through coextrusion of a mold, the mold is provided with a hollow cavity in the length direction, a feed end of the mold communicates with a wood plastic runner of the hollow cavity, and an outlet of the wood plastic runner faces a discharge end of the mold. The preparation method comprises the steps that a molten wood plastic material is sent into the hollow cavity by virtue of the wood plastic runner through an extruder, the wood plastic material is cooled and molded in the hollow cavity, and a hollow wood plastic frame is formed and is extruded from the discharge end of the mold; and inorganic fibers and a binder are synchronously and uniformly sprayed into the wood plastic frame in the mold, the inorganic fibers are blown to the wood plastic frame and are bound with the wood plastic frame by virtue of the binder, the wood plastic frame is filled, and a filled layer is formed. The invention relates to the field of buildings, and provides the preparation method of the inorganic fiber and wood plastic composite plate. According to the preparation method, procedures can be simplified, and the composite plates are synchronously molded at a time.

The invention provides a wear-resistant and deformation-resistant invisible car cover. The wear-resistant and deformation-resistant invisible car cover comprises a substrate, one side of the substrate is covered with a top coating, the side, away from the substrate, of the top coating is covered with a first release film, the other surface of the substrate is covered with an adhesive layer, and the side, away from the substrate, of the adhesive layer is covered with a second release film; the top coating is prepared from a top coating liquid, and the top coating liquid is mainly prepared from the following raw materials in parts by weight: 100 parts of oligomer polyol, 10 to 600 parts of diisocyanate, 1 to 30 parts of a chain extender, 0 to 10 parts of a modifier, 0.05 to 5 parts of a filler, 0.1 to 5 parts of an auxiliary agent, 0.05 to 2 parts of a catalyst and 20 to 1000 parts of a solvent. The invisible car cover has the properties of wear resistance, deformation resistance, yellowing resistance, acid and alkali resistance and high toughness, and can effectively protect a car paint surface.

The invention relates to a pavement coating and a preparation method thereof. The pavement coating comprises a first composition and a second composition; the first composition comprises, by weight, the following raw materials: 50-100 parts of aqueous acrylic acid modified epoxy resin emulsion, 10-100 parts of water, 1-5 parts of bentonite, 50-100 parts of barium sulfate, 50-150 parts of non-metallic mineral and 200-600 parts of wear-resistant aggregate; the second composition comprises, by weight, the following raw materials: 0.1-3 parts of a cross-linking agent, 4-55 parts of a curing agent,0.4-5 parts of an emulsifier and 1-20 parts of water; each composition is independently packaged. The coating components does not contain an organic solvent, is not inflammable or explosive, and is safe to transport and store; the preparation process is simple and environment-friendly, the influence on workers and environment is small, the materials are common and easy to obtain, the cost is low,and the shelf life is long; the coating can be applied indoors and outdoors and has very wide application space.

The invention discloses a heating forming plate for an organic fertilizer granulating machine. The heating forming plate comprises a plate body; and the plate body is cylindrical, the plate body is provided with forming holes, and the interior of the plate body is provided with heating wires. In general, the heating forming plate provided by the invention has the advantages of a simple structure and reasonable design, can effectively improve a compression degree of organic fertilizer granules, reduce generation of crushed residues, improve quality of the organic fertilizer granules, and can directly heat, dry and solidify the organic fertilizer in the forming process, thereby greatly improving production efficiency; and the heating forming plate has the advantage of extremely-high use value.

The invention provides a variable-frequency microwave heating device. The variable-frequency microwave heating device comprises a robot, a first controller, an actuator, one or more microwave antennas, a power supply and a plurality of cables, and the actuator comprises a shell, a microwave attenuator, a frequency conversion microwave generator and a power amplifier. After the technical scheme is adopted, microwave energy generated by the variable-frequency microwave heating device is concentrated in a small-range point-shaped area of the microwave antenna end, a microwave electromagnetic field environment with high power and high energy density can be instantly generated in a small-range space, fixed-point and point-by-point microwave heating is carried out on a material, and drying and curing can be completed within an extremely short time. Besides, the variable-frequency microwave heating device has the advantages of being small in size, light in weight, capable of being conveniently held and operated by a robot and the like, the use requirement for automatic batch production of industrial products is completely met, and by means of the device, the production process innovation that microwave heat treatment is converted into online operation from offline operation can be achieved.

The invention discloses a waterproof protective material for a deep well and a preparation method of the waterproof protective material. The waterproof protective material is prepared from water-based polymethyl silicone resin, deionized water, butyl stearate, an antioxidant, a water repellent agent, carboxymethylcellulose, polyacrylamide, fatty glyceride and a coloring agent. The water-based coating comprises the following components in parts by weight: 78-84 parts of water-based polymethyl silicone resin, 15-19 parts of deionized water, 3-5 parts of butyl stearate, 2-4 parts of an antioxidant, 2-4 parts of a water repellent agent, 1-3 parts of carboxymethylcellulose, 2-4 parts of polyacrylamide, 1-3 parts of fatty glyceride and 1-3 parts of a coloring agent. The hydrophobic agent formed by mixing the dimethyl silicone oil, the calcium palmitate and the microcrystalline wax is added, so that the waterproof performance of the material is greatly improved, the problem of underground water leakage is not easy to occur after long-term use, a protective layer is maintained, the problems of damp deformation, cracking and collapse of a deep well are avoided, and the use is safer.

The invention discloses fast-to-dry indoor coating, which is prepared from the following ingredients including shell powder, diatomite, polyurethane modified acrylic resin emulsion, organic silicon resin, a photocatalyst material, dispersing agents, anti-foaming agents, leveling agents and light calcium carbonate, wherein the photocatalyst material is loaded onto the diatomite. The coating has theadvantages that the idle time of a room after the decoration can be effectively shortened; the degradation efficiency of indoor harmful volatile matters is improved; after the coating, the fast drying and curing can be realized.

The invention relates to a recoverable reinforced foaming sheet packing material and a preparation method thereof. The preparation method comprises the following steps that (1) an upper foaming boardand a lower foaming board are prepared with a foaming process; (2) the upper foaming board is arranged between an upper insulation roller and a high-voltage discharging rod, the lower foaming board isarranged between a lower insulation roller and the high-voltage discharging rod, the lower surface, heated and molten through corona discharging, of the upper foaming board and the corresponding upper surface of the lower foaming board synchronously pass through a corona heating area and are pressed and combined by a composite roll, thus a heat permeation layer is formed between the lower surfaceof the upper foaming board and the upper surface of the lower foaming board, the heat permeation layer connects the upper foaming board with the lower foaming board, and thus the upper foaming boardand the lower foaming board become a composite whole; and (3) BOPP/PE/PET plastic film layers/a BOPP/PE/PET plastic film layer are/is attached to the upper surface of the upper foaming board and/or the lower surface of the lower foaming board with PUR glue through UV curing technology. After corona treatment is combined with pressing combination by the composite roll, the lower surface of the upper foaming board and the corresponding upper surface of the lower foaming board permeate each other to form the heat permeation layer, overall strength can be improved, strength can be enhanced by about 50%, and toughness can also be improved.