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123results about How to "Easy to remove the film" patented technology

Water soluble anti-rust agent

The invention relates to a water soluble anti-rust agent on the surface of ferrous metal, which comprises the following components: 2 to 10 weight percent of barium petroleum sulfonate and/or barium dinonyl decyl sulfonate, 1 to 6 weight percent of sodium molybdate and/or amine molybdate, 0 to 10 weight percent of sebacic acid, 2 to 10 weight percent of polyacrylic ester, 3 to 20 weight percent of triethanolamine oleic soap and/or 2 to 6 weight percent of polyoxyethylenesorbitan monooleate, 0 to 15 weight percent of sodium alkylsulfonate, 0 to 8 weight percent of glycerin and the balance of water or machine oil. Compared with the conventional water soluble anti-rust agent, the water soluble anti-rust agent of the invention has the advantages of short film forming time, firm film forming adsorption and good anti-rust effect; the actual anti-rust period can reach 3 to 6 months; the formed film is thin and only 3 to 5 microns; common workpieces do not need film removal and can be directly assembled and coated; the film removal is convenient, and the film is only soaked and rinsed in mild water over 50DEG C and then can be removed quickly; and the anti-rust agent has no component containing toxic and harmful substances, does not contain phosphorus, has the advantages of good environmental protection and no pollution to the environment, and is the environment-friendly water soluble anti-rust agent.
Owner:无锡市弘育化工有限公司

Preparation method for magnetic carrier in processing technique of sewage biological fluidized bed

The invention discloses a preparation method for a magnetic carrier in a processing technique of a sewage biological fluidized bed, which comprises the following steps: (1) magnetic powder is added into a reaction kettle; in the stirring speed of 40 to 100 r / min, inorganic acid and organic acid are sequentially added and heated till the temperature is risen to 65 to 80 DEG C and the reaction lasts for 1.5 to 2 hours; (2) reactant is transferred to a dying cabinet, dried for 0.5 to 1 hours in the temperature of 80 to 100 DEG C, anhydrated, cooled and then crushed by a grinding crusher and sieved with a mesh screen with 100 meshes to obtain granular magnetic carriers. The preparation method has simple process route, low energy consumption, high efficiency and low cost. The magnetic carrier obtained by the preparation method is a shell structure; microorganisms easily grow biological membranes on the magnetic carrier; residual biological membranes can be removed by a magnetic drum separator, thus avoiding the huge loss of organisms. The biological fluidized bed using the magnetic carrier is suitable for fields such as standard reaching discharging treatment of town sewage, synchronous denitrification and dephosphorization of high nitrogen and phosphorus medical waste water, nitrification and denitrification of garbage percolate, coking wastewater and the like.
Owner:ENVIRONMENTAL SCI RES & DESIGN INST OF ZHEJIANG PROVINCE

Washable touch screen temporary protection ink as well as preparation method and application thereof

InactiveCN105038401AImprove the disadvantages of insolubleImprove smoothnessInksOther printing apparatusWater basedEmulsion
The invention discloses washable touch screen temporary protection ink as well as a preparation method and application thereof. The washable touch screen temporary protection ink consists of the following raw materials by weight percent: 0 to 50 percent of polyacrylic acid resin solution, 5 to 90 percent of water-based paint resin, 5 to 50 percent of water-soluble macromolecule solution, 0 to 70 percent of polyacrylate emulsion, 1 to 10 percent of packing, 0.1 to 2 percent of pigment and 2 to 5 percent of functional additive, wherein the polyacrylic acid resin solution and the polyacrylate emulsion are not simultaneously equal to 0. When in preparation, a polyacrylic acid solution, the polyacrylate emulsion, a water-based leveling agent and packing are placed into a dispersion machine and uniformly mixed, and then the other components are placed into the dispersion machine to be uniformly mixed to obtain the washable touch screen temporary protection ink. The ink can protect touch screen cover plate glass or an ITO glass surface layer film against damage during a construction process at a high temperature of 200 DEG C; moreover, after the ink is used at 200 DEG C, the ink can fall off in block shapes in 30s to 2min after being soaked in water with the temperature of 50 DEG C.
Owner:SOUTH CHINA UNIV OF TECH

Printed circuit board and processing method thereof

The invention is applied to the technical field of a printed circuit board, and provides a processing method of a printed circuit board and a printed circuit board formed by use of the processing method, for the purpose of solving the problems that since local electroplating thick gold processing is carried out after external-layer etching processing, a local electroplating thick gold position cannot be conductive and lead wires cannot be added to a part of the printed circuit board in the prior art. The processing method of the printed circuit board comprises the following step of providing a plate substrate, an external-layer pattern, pattern electroplating, nickel plating, thin gold plating, external-layer local electroplating gold pattern processing, the local electroplating thick gold processing and external-layer etching. According to the processing method, before the external-layer etching processing, the external-layer local electroplating gold pattern processing and the local electroplating thick gold processing are carried out, so that conductive lead wires are additionally arranged on an external-layer line pattern, the whole copper foil layer of the plate substrate can be conductive, the membrane removing operation is simple, the manufacturing efficiency is improved, and the processing period is shortened.
Owner:SHENZHEN SUNTAK MULTILAYER PCB

Environmental-friendly long-acting sealing anti-rust oil composition and preparation method thereof

ActiveCN104450013AExcellent resistance to salt sprayExcellent water separation performanceLubricant compositionSolventChemistry
The invention discloses an environmental-friendly long-acting sealing anti-rust oil composition. The environmental-friendly long-acting sealing anti-rust oil composition is characterized in that the environmental-friendly long-acting sealing anti-rust oil composition is prepared from the following components in percentage by weight: 2-8 percent of petroleum calcium sulfonate, 0-8 percent of oxidized paraffin calcium soap, 1-2 percent of a film-forming agent, 3-10 percent of an anti-rust complexing agent, 15-30 percent of machinery oil and 58-77 percent of solvent oil. According to the anti-rust oil disclosed by the invention, the salt mist resistance, the moist resistance and the water separation property are excellent; metal barium and other heavy metals are not contained, so that the anti-rust oil is safe to use; the penetrating performance and the wettability are good; as the anti-pollution capacity is strong, and an oil film is formed by coating the anti-rust oil on the surface of a workpiece is thin, the anti-rust oil is small in oil consumption in the using process of a metal workpiece, the oil film is good in thixotropy and coating property, easy in film removal and wide in adaptation range of steel materials, and the anti-rust oil is suitable for long-time sealing and rust prevention of metal products made of steels in multiple textures and the like.
Owner:JIANGSU XINLU NEW MATERIALS CO LTD

Water-based UV coating having temporary protection effect as well as preparation method and application of coating

ActiveCN108485507AWith weak alkali resistanceHas a temporary protective effectPolyurea/polyurethane coatingsWater basedUV coating
The invention discloses a water-based UV coating having a temporary protection effect as well as a preparation method and application of the coating. The water-based UV coating comprises the followingcomponents in percentages by mass: 30-60% of water-based UV resin, 5-12% of a water-based UV monomer, 2-5% of a film forming auxiliary agent, 0.1-0.5% of a pH value adjusting agent, 0.1-1% of a water-based wetting agent, 0.1-0.5% of a water-based defoaming agent, 1-5% of a photoinitiator, 0.5-2% of an adhesion promoter, 0.5-5% of matting powder, and the balance of water, wherein the water-based UV resin is carboxyl-modified water-soluble polyurethane acrylate. The above water-based UV coating having the temporary protection effect disclosed by the invention has good adhesion and high hardness; and after the coating is sprayed on the surface of a metal substrate to form a temporary protection film, the formed film can effectively suppress an occurrence of badness such as scratches and burrs in the mechanical manufacturing processes such as drilling, punching and milling of metal workpieces, and is easy to take off at normal-temperature immersion and in an alkaline film taking off liquid, and the coating improves production efficiency.
Owner:HUNAN SOKAN NEW MATERIAL

Preparation method of edible packaging film based on diatom polysaccharide

The invention discloses a preparation method of an edible packaging film based on diatom polysaccharide. The preparation method specifically comprises the following steps: degreasing diatom powder, concretely adding a chloroform methanol mixed solution into the diatom powder, carrying out degreasing, suction filtration, and drying to obtain degreased diatom powder; preparing the diatom polysaccharide, concretely uniformly mixing the degreased diatom powder with water, then adding 8-chlorotheophylline, and carrying out ultrahigh-pressure extraction and suction filtration, wherein the obtained filtrate is the water extracted crude polysaccharide; and preparing the edible packaging film, concretely taking the following components in parts by weight: the diatom polysaccharide, glycerol, gelatin, tea polyphenol and water, dissolving the components to prepare a film liquid, carrying out degassing, then uniformly pouring the degassed film liquid into a mold, and carrying out drying for forming a film, so as to obtain the edible packaging film. The preparation method disclosed by the invention has the beneficial effects that the preparation method is simple and feasible, the time consumption is low, the energy consumption is low, the utilization rate of the raw materials can be improved, and the degradable pollution-free packaging film with good performance can be formed. The surface of the packaging film is smooth and compact, the film is easy to uncover, and the packaging film is edible, is easy for industrial scale production and has good application value and market potential.
Owner:金华市铁骑士生物科技有限公司

Fluorinated polyurethane porous membrane

The invention relates to a fluorinated polyurethane porous membrane. The structure of the porous membrane sequentially comprises a surface adsorption layer, a first foaming layer, a second foaming layer, a third isolating layer and a fourth foaming layer from top to bottom; the surface adsorption layer is a compact layer; both the first foaming layer and the second foaming layer are of drop-shaped porous structures; drop-shaped holes of the second foaming layer are larger than those of the first foaming layer; the thickness of the first foaming layer is 40 to 200 [mu]m; the thickness of the second foaming layer is 180 to 980 [mu]m; the thickness of the third isolating layer is 5 to 160 [mu]m; the thickness of the fourth foaming layer is 100 to 800 [mu]m. A glass grinding adsorption mat provided by the invention has a unique structure and stronger hydrophobic property, so that the progress of a polishing solution infiltrating into the porous membrane can be retarded, heat generated in the polishing process can be well dissipated out, and the service life of the grinding adsorption mat can reach 50 to 60 hours; compared with a glass grinding adsorption mat prepared from a known polyurethane resin composition, the glass grinding adsorption mat disclosed by the invention has the advantage that the polishing service life is prolonged by 10 to 20 hours.
Owner:ANHUI HECHEN NEW MATERIAL CO LTD

Clamp finger chain-type used plastic film collector

The invention relates to a clamp finger chain-type used plastic film collector which comprises a traction device, a rack, a film collection device, a film collection driving system, a film stripping device, a film stripping driving device, land wheels and a used plastic film tank, wherein the traction device is arranged at the front side of the rack; the film collection device is arranged at the middle of the rack; the film stripping device is arranged above the rear side of the film collection device; the used plastic film tank is arranged on the rear side of the film collection device; the film collection driving system and the film stripping driving system are respectively arranged on the rack; the film collection driving system is connected with the film stripping device; the land wheels are arranged at two sides of the rack; the film collection device consists of a film collection rack, a tensioning mechanism, a film clamping mechanism and a support chain roll; the tensioning mechanism consists of a support base, a spring, a bracket and a tensioner sprocket; the film clamping mechanism consists of a lower film collection sprocket, an upper film collection sprocket, a film collection chain and a clamp finger; the support chain roll is arranged at the lower sides of the film collection rack and the film collection chain. The clamp finger chain-type used plastic film collector has the advantages of simple structure, high operation speed and high used plastic film recovery rate, and can meet the used plastic film recovery requirement.
Owner:SHIHEZI UNIVERSITY

All-directional pneumatic film-and-weed-separation plastic-film-residue recycling machine

ActiveCN105850248AShallow working surfaceMissing rate is highSpadesPloughsSoil scienceAgricultural engineering
The invention discloses an all-directional pneumatic film-and-weed-separation plastic-film-residue recycling machine, relates to agriculture-field plastic-film-residue recycling, and in particular to a plastic-film-residue recycling machine which is capable of removing plastic film residues and weeds on the ground surface and the underground, achieving all-directional plastic-film-residue removing, and separating the plastic film residues from the weeds with the pneumatic mode. The all-directional pneumatic film-and-weed-separation plastic-film-residue recycling machine comprises a machine frame, a soil-shaking conveying system, a wind power system, a film winding roller, a weed collecting basket, a depth limiting wheel and a transmission system. All plastic film residues in soil can be cleaned in an all-directional mode, separation of the plastic film residues and the weeds is achieved, collection of the plastic film residues is achieved, and the soil preparation effect and the weeding effect are achieved, and the efficiency of the whole machine is high. A sample machine is stable in discovering performance and superior in expression in the practical application; the all-directional pneumatic film-and-weed-separation plastic-film-residue recycling machine is driven by a tractor, and the adaptability is high.
Owner:宁夏回族自治区农业机械化技术推广站 +2

Manufacturing method of front windshield automobile coated glass

The invention relates to the technical field of automobile glass processing, in particular to a manufacturing method of the front windshield automobile coated glass. The manufacturing method providedby the invention comprises the following steps of dividing the automobile raw sheet glass into a coating area, a communication window area and an edge sealing area; coating the high-temperature silicone oil on the communication window area and the edge sealing area to obtain a high-temperature silicone oil layer; plating a low-emissivity film on the surface, coated with the high-temperature silicone oil, of the automobile raw sheet glass, and then cleaning away the low-emissivity film in the communication area and the edge sealing area to obtain the coated automobile raw sheet glass; and sequentially carrying out powder spraying, pairing, hot bending, sheet combining initial pressing and high-pressure heat treatment on the coated automobile raw sheet glass to obtain the front windshield automobile coated glass. According to the manufacturing method, the problems of corrosion and oxidation of the low-radiation film at the edge of the front windshield automobile coated glass are solved,and the smooth passing of the electromagnetic waves, such as GPS, ETC and RF, is guaranteed.
Owner:武汉长利新材料科技有限公司
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