33results about How to "Not easy to bubble" patented technology

The invention discloses a casting method for a steel-copper composite cylinder body. The casting method comprises the steps of performing three-dimensional modeling, designing a casting technology and performing technology simulation and optimization, performing base steel heat treatment, performing machining, tool machining and welding, performing base steel surface treatment, performing pre-heating treatment before base steel production, smelting copper alloy, dipping the copper alloy, melting anhydrous borax, putting base steel into a borax solution, pouring the copper alloy into the base steel, putting the base steel into a water tank and cooling and solidifying the base steel to room temperature to obtain the steel-copper composite cylinder body. According to the casting method, the problems of the composite casting technology and the composite material composition of the steel-copper cylinder body can be solved; and the composite strength of the thermometal cylinder body can be high, the yield can be high, the cost can be low, the size of the cylinder body can not be limited, the forming process can be controlled easily, and the quality can be stable.

A glass operating room comprises a facade formed by assembling four walls. A ceiling integrally connected with the walls is mounted above the walls. Painted glass wall panels are spread on the outer surfaces of the walls. Painted glass top panels are spread on the outer surface of the ceiling. Seamless rubber or PVC (polyvinyl chloride) floor slabs are spread on the ground. By providing the glass operating room, the problem that an existing operating room is inconvenient to wash and poor in assembly tightness can be solved; the glass operating room is fireproof, attractive, scrub resistant, disinfection resistant, simple to construct, environment-friendly and energy-efficient and meets the requirements of operating room work environments.

The invention relates to a high-viscosity water-based asphalt waterproof coating and a preparation method thereof. The high-viscosity water-based asphalt waterproof coating comprises the following raw materials in parts by weight: 50-70 parts of anionic emulsified asphalt, 10-30 parts of an acrylic emulsion, 5-25 parts of neoprene latex, 1-2 parts of a defoaming agent, 1-3 parts of a thickening agent, 0.5-1 part of a sterilizing agent, 3-5 parts of a wetting agent, 1-3 parts of a dispersing agent, 10-30 parts of filler, 1-2 parts of a cosolvent and 5-15 parts of water. The thickening agent is prepared from water-based associated polyurethane, silica gel and polyhydroxy polyacrylamide according to a mass ratio of 1:(0.45-0.68):(0.6-0.9). The coating has high bonding strength, high tensile strength, high elongation rate and excellent low-temperature flexibility, and solves the problem of blistering during construction.

Belonging to the technical field of heat preservation paint, the invention in particular relates to a thinly coated heat preservation reinforced paint. The paint comprises the following components: organic silicon modified acrylic resin, tetrabutyl titanate, glycerol, hydroxy propyl cellulose, a heat radiation absorption material, sodium dodecylbenzene sulfonate, a silicone acrylic emulsion, filler, a film-forming assistant, a defoamer and deionized water. Specifically, the heat radiation absorption material is ceramic particles prepared by high temperature sintering of iron oxide, cobalt oxide, graphite, rare earth oxide and barium oxide materials. The filler includes one or more of sepiolite powder, mica powder and kaolin, and is 200-250mesh. The film-forming assistant is texanol, and the defoamer is a polyether defoamer or organic silicon defoamer. The paint can be used for interior wall heat preservation engineering construction, and can enhance the heat preservation performance ofbuilding walls, also because the coating is thin, interior space occupation can be reduced, therefore the thinly coated heat preservation reinforced paint has high practical value.

The present invention provides a wood-grain silicon PU ball park and a production method thereof. The wood-grain silicon PU ball park comprises a prime coat, an elastic layer, a reinforcing layer and a surface layer, wherein the prime coat is coated on the base layer bottom surface, the prime coat, the elastic layer, the reinforcing layer and the surface layer are sequentially arranged from bottom to top, the elastic layer is a silicon PU material layer with a Shore hardness of 40-60 DEG, and a wood-grain layer is further arranged between the reinforcing layer and the surface layer. According to the present invention, the wood-grain silicon PU ball park has characteristics of aging resistance, cracking resistance, bubbling resistance, elasticity, and simple construction.

The invention belongs to the technical field of coatings, and particularly discloses a marine biocontrol coating and a preparation method thereof. The coating is prepared from, by weight, 70-80 parts of chlorinated rubber, 45-60 parts of rosin, 100-120 parts of diketopiperazine compounds, 50-70 parts of zineb, 160-180 parts of iron oxide red, 280-320 parts of zinc oxide, 1-10 parts of barium carbonate, 1-5 parts of magnesium oxide, 50-60 parts of tricresyl phosphate, 5-15 parts of organic bentonite and 140-160 parts of solvent. The coating has high adhesion and is excellent in antifouling property, long in antifouling period, capable of effectively preventing and killing off marine fouling organisms such as barnacles, mussels and algae, efficient, poisonless and environmentally friendly.

The invention discloses an atmospheric steam curing technique for a fiber cement external wall panel, which comprises the following steps: (1) after a fiber cement external wall panel is subjected to extrusion forming, carrying out low-temperature steam curing on the fiber cement external wall panel at 20-30 DEG C for 10-20 hours under the humidity of 60-80%, and entering the next curing stage after the cement in the fiber cement external wall panel finally sets; and (2) carrying out high-temperature steam curing at 60-90 DEG C for 5-15 hours under the humidity of 70-90%. In the invention, the fiber cement external wall panel is subjected to steam curing in a low-temperature steam curing/high-temperature steam curing combined mode, so that the product has higher initial strength, and can not easily bubble; and thus, the product quality and production efficiency are enhanced.

The invention provides a tearable spray film and a preparation method thereof. The spray film is prepared from 5-10% of synthetic rubber, 5-15% of n-heptane, 20-40% of a naphtha solvent, 5-10% of xylene, 1-5% of butanone, 2-9% of heptanon, 0.5-1.5% of pigment, 0.1-0.5% of fumed silica and 30-50% of dimethyl ether. The spray film has proper adhesive force and good flexibility and can be torn off and stripped from an object in flake; besides, bubbles and pits are not likely to be formed due to coloring uniformity and smoothness, and a substrate or an original color is not corroded or damaged due to the mild formula.

The present invention provides a plant fibre product containing nontoxic adhesive and a production method thereof. The plant fibre product contains polystyrene as the adhesive. The production method of the plant fibre product comprises that the polystyrene is used as the adhesive for producing the plant fibre product by heat pressing. During the process of producing the plant fibre product, compared with the existing adhesive, the polystyrene adhesive reduces the content of toxic substance in the adhesive and improves the bonding strength at the same time, and has good water resistance and long service life; in addition, the plant fibre product prepared by the polystyrene adhesive does not contain moisture, so that the plant fibre product does not bubble easily, and moisture is not required to by vaporized during the course of processing, thereby shortening the production period; the plant fibre product has good flexibility; and an adhesive layer is colorless and does not influence the appearance of the product.

The invention discloses a high-strength aging-resistant acrylic material. The high-strength aging-resistant acrylic material comprises polymethyl methacrylate, polyethyl methacrylate, methyl acrylate,natural resin, mine asbestos fiber, glass fiber, N-N'-di(beta-naphthyl)p-phenylenediamine, white carbon black, powdered steatile, gamma-FeO(OH), Cu5FeS4, and FeTiO3-MgTiO3. The high-strength aging-resistant acrylic material employs a novel material for synthesizing an acrylic sheet material from industrial production reality, reasonable complex formulation of N-N'-di(beta-naphthyl)p-phenylenediamine increases the intensity and ageing resistance of the acrylic sheet material, the functions of the novel material are added, and the high-strength aging-resistant acrylic material has the advantages of high reliability, high transparency, good mechanical strength, light weight, simple production, no bubble for a finished product, difficult damage, low cost, and easy acquisition of material, andhigh-strength aging resistance.

The invention discloses a membranization calcium silicate veneer and a preparation method thereof. The membranization calcium silicate veneer comprises a calcium silicate board. A UV coating is arranged on at least one side of the calcium silicate board. A PVC high polymeric membrane is attached to the UV coating. The calcium silicate board is further evenly provided with a plurality of vent holes. The preparation method comprises the following steps that the vent holes are punched in the calcium silicate board; 2, at least one side of the calcium silicate board with the vent holes is coated with the UV coating to obtain the calcium silicate board coated with the UV coating; 3, the PVC high polymeric membrane is attached to the calcium silicate board coated with the UV coating. Due to the fact that the PVC high polymeric membrane is additionally arranged on the calcium silicate board, the surface is smooth, and bubbles are not likely to be generated; the strength is high, abrasion and chemical corrosion are resistant, cleaning is easy, and static electricity and moisture are prevented; due to the fact that the multiple vent holes are formed in the calcium silicate board, moisture prevention and sound insulation can be achieved.

The invention relates to a support for installation of a screen protective patch of a mobile phone. The support comprises a shell, the shell comprises a bottom wall, a left side wall, a rear side wall and a right side wall, patch bosses are arranged on joint portions of three sides of the bottom wall and the three side walls, and another patch boss is arranged on another side of the bottom wall; a first mobile phone clamping platform is arranged on the inner side of the top edge of the left side wall, a second mobile phone clamping platform is arranged on the inner side of the bottom of the left side wall, a third mobile phone clamping platform is arranged on the inner side of the top edge of the right side wall, and a fourth mobile phone clamping platform is arranged on the inner side of the bottom of the right side wall; the first patch boss is upwards aligned to the first mobile phone clamping platform in the vertical direction, and the third patch boss is upward aligned to the third mobile phone clamping platform in the vertical direction; a squeezing hole is formed in the bottom wall. The screen protective patch of the mobile phone can be tightly attached to a screen of the mobile phone by means of the support, bubbles are not likely to occur, positioning of the screen protection patch of the mobile phone is accurate, dust prevention of the patch attachment environment is achieved and operations are convenient.

The invention discloses a modified high-temperature-resistant composite coating and belongs to the technical field of coating production. The modified high-temperature-resistant composite coating disclosed by the invention is prepared from the following raw materials in parts by mass: 48 to 62 parts of epoxy modified organic silicon resin, 7 to 19 parts of azodicarbonamide, 5 to 10 parts of modified aluminum oxide, 2.8 to 5.8 parts of tricresyl phosphate, 1 to 5 parts of boron nitride, 3 to 10 parts of silicon carbide, 3 to 13 parts of flatting agent, 2 to 10 parts of waterborne silane coupling agent, 2.5 to 7.5 parts of thickening agent, 2 to 11 parts of wetting agent, 4 to 15 parts of pigment and 70 to 110 parts of deionized water. According to the modified high-temperature-resistance composite coating disclosed by the invention, high-temperature-resistant ingredients are added, so that high temperature resistance of the coating is improved; a coating film of the composite coating has the characteristics of being not prone to generating bubbles, hardening and cracking.

The invention discloses an air jet cooling device, a continuous hot-in and cold-out hot press, and a continuous cooling method thereof. The air jet cooling device comprises a plurality of cooling pressure plates, a gas supply pipeline and a water atomizer; the multiple cooling pressure plates are arranged so that upper and lower layer structures are formed, and the side faces of the cooling pressure plates are provided with a plurality of long holes uniformly; one end of each long hole is closed, and the acting surface of a working area of the cooling pressure plates is provided with a plurality of air jet holes uniformly; each long hole communicates with a plurality of air jet holes, and the gas supply pipeline comprises a plurality of gas supply branch pipes and a gas supply main pipe; the gas supply branch pipes communicate with the gas supply main pipe, and further communicate with the other end of each long hole in the side faces of the cooling pressure plates; and the side wallsof the gas supply branch pipes of the former 1/5-1/3 of the cooling pressure plates of the upper and lower layer structures communicate with the water atomizer. The air jet cooling device has the advantages of the simple structure, good cooling effect, high efficiency, energy conservation, less heat loss of a cold-out method, short production cycle, energy saving and high quality of manufactured products.

The invention discloses a method for preparing a bio-microcapsule antirust paint and belongs to the technical field of preparation of coating materials. The method comprises the steps of firstly, mixing dry bacillus spore powder with a sodium nitrate solution so as to prepare a spore dispersion solution, then, mixing the spore dispersion solution with yeast powder, cellulose and the like so as to prepare a microbial slurry, drying the slurry, grinding the slurry to be a powder, then, mixing the powder with triacetamide and epoxy resin E-51 so as to obtain a precured mixture, then, stirring the precured mixture and dimethyl polysiloxane to be reacted so as to prepare microbial microcapsules, then, mixing the microbial microcapsules with iron oxide red, talcum powder, mica and the like, carrying out ultrasonic dispersing treatment, finally, filtering the prepared mixed dispersion slurry, an acrylate emulsion, polyoxypropylene glycerol ether and the like, and carrying out aging, thereby preparing the bio-microcapsule antirust paint. According to the antirust paint prepared by the method, the adhesive power is good, the bonding between the antirust paint and a base body is tight, a paint film is smooth after coating, and the storage stability and water resistance are excellent, so that the antirust paint has a broad application space.

The invention relates to a shaping device based on a battery cell primary packaging system, which comprises a rack, an upper shaping cylinder arranged at the top of the rack and a lower shaping cylinder arranged at one side of the rack, an upper shaping block is arranged at the bottom of the upper shaping cylinder, the lower shaping cylinder is connected with a lower shaping block, and the upper shaping module is longitudinally aligned with the lower shaping module. The aluminum-plastic film is more flat and less prone to wrinkling in the one-time packaging process by pre-pressing the creasesthrough the shaping device, meanwhile, bubbles are less prone to remaining in the packaging process of the flat aluminum-plastic film, and the packaging quality is improved.