97results about How to "High spreading rate" patented technology

The invention belongs to the special papermaking production field, and specifically relates to a high-bulk papermaking method reconstruction tobacco leaf fiber composition and a preparation method and application; the reconstruction tobacco leaf comprises a tobacco raw material, wood long fibers and wood short fibers, and is prepared by mixing said compositions; the short fibers are arranged in a Z-type in a water filtering process, thus effectively improving the bulk property and spreading rate while fully ensuring the substrate tensile strength and paper machine operationability, improving filling material retention rate and product yield, reducing production cost, improving product fully combustion level, and reducing CO release amount.

Disclosed herein is a photoresist composition suitable for coating onto a large substrate and having improved coating uniformity to prevent occurrence of stains, a coating method thereof, a method of forming an organic film pattern using the same, and a display device fabricated thereby. The present invention thus provides a photoresist composition comprising a polymeric resin with an incorporated polysiloxane resin, a photosensitive compound, and an organic solvent. Accordingly, the photoresist composition can be coated onto a large substrate by a spinless coating method, and thereby coating uniformity can be improved, the occurrence of stains such as cumulous stains and resin streaks can be prevented, and the coating rate and quality of a final product prepared using the photoresist composition can also thereby be enhanced.

The present invention provides a method for drying a coating film comprising drying a coating film of an organic solvent-containing coating liquid applied to a running band-shaped flexible substrate, the drying method comprising the steps of: providing a heater at a position opposed to the band-shaped flexible substrate at a running position immediately after coating; and heating the band-shaped flexible substrate by the heater; wherein when T_W (° C.) denotes the surface temperature of the band-shaped flexible substrate; T_H (° C.) denotes the surface temperature of the heater; λ (W/m·K) denotes the heat-transfer coefficient of air; d(m) denotes the distance between the heater and the band-shaped flexible substrate (web); η denotes the efficiency of heat transfer; and σ denotes the Stefan-Boltzmann constant (5.670×10⁻⁸ W/m²K⁴), the ratio of radiant heat transfer represented by Q_R/(Q_R+Q_C) is 0.25 or more and 0.6 or less, wherein Q_C and Q_R are represented by the following equations, respectively: Q_C=λ/d·(T_H−T_W) where Q_C denotes heat transfer by air, and Q_R=η{(T_H+273)⁴−(T_w+273)⁴} where Q_R denotes heat transfer by radiant.

The invention provides a preparation method of a tobacco sheet. The preparation method of the tobacco sheet includes the following steps: 1) mixing tobacco stems with hot water of 75-80 DEG C for extraction, and then squeezing to obtain tobacco stem extracting solution and tobacco stem filter residues; 2) mixing tobacco powder with hot water of 70-75 DEG C for extraction, and then squeezing to obtain tobacco powder extracting solution and tobacco powder filter residues; 3) mixing the tobacco stem extracting solution with the tobacco powder extracting solution for decompression concentration so as to obtain concentrated solution; 4) adding water into a mixture of the tobacco stem filter residues and the tobacco powder filter residues for fiber decomposition, and then adding complex enzyme preparations for pulping so as to obtain pulp materials; and 5) adding polymeric aluminum into the pulp materials for manufacturing paper with pulp so as to obtain a sheet paper base, then coating the sheet paper base with the concentrated solution, and drying to obtain the tobacco sheet. According to the preparation method of the tobacco sheet, the complex enzyme preparations are added after fibers of the tobacco stem filter residues and the tobacco powder filter residues are decomposed, and performance of the pulp materials is improved, pulping energy consumption is reduced, and the sheet yield is improved through synergistic effects among a variety of enzymes.

The invention discloses Sn0.3Ag0.7Cu lead-free solder paste. The Sn0.3Ag0.7Cu lead-free solder paste particularly comprises, by mass, 9-11% of scaling powder and 89-91% of soldering tin powder. The scaling powder comprises, by mass, 20-25% of rosin, 15-20% of film-forming agent, 15-20% of active agent, 5-10% of thixotropic agent, 1-3% of acidity regulator and the balance solvent. The invention further discloses a preparation method of the Sn0.3Ag0.7Cu lead-free solder paste. The method comprises the steps that the solvent and the film-forming agent are stirred at 75 DEG C to be transparent, and the mixture is cooled to be at the temperature of 65 DEG C, added with the film-forming agent, cooled to be at the temperature of 55 DEG C and added with the active agent to be stirred to be transparent; the mixture is cooled to be at 55 DEG C and added with the thixotropic agent to be stirred to be transparent; the mixture is cooled to be at normal temperature and added with the acidity regulator to be stirred for 15 min, and then the mixture and solder powder are mixed and stirred to obtain the Sn0.3Ag0.7Cu lead-free solder paste. The solder paste is good in printing technology and welding performance, residues left after welding evenly cover the surface welding spots, and the effects of electrical insulation, welding spot protection and the like are achieved.

The invention discloses a papermaking tobacco sheet pulp grinding process. Specifically speaking, under the light beating condition, three-stage light beating flexible pulp grinding is adopted, each stage needs at least two pulp grinding machines, pulp concentration is decreased gradually, and size circulation process is controlled. In prepared size, fibers with the length of 0.5-1.25mm reach more than 63%, bulk degrees of base tabs reach 2.8-3.0cm <3>/g, spreading rates, filling values, burning velocity of finished sheets are improved greatly, tar contents and carbon oxide contents are reduced greatly, and the bulk degrees of the finished sheets reach 2.3-2.5cm<3>/g. The number of pulp grinding machines arranged in the first stage, the second stage and the third stage in a serial connection mode is respectively 4, 3 and 2. The pulp grinding concentration in the first stage, the second stage and the third stage are respectively set to be 4.5-5.0%, 4.0-4.5% and 2.0-2.5%. Times of self-circulation of the size in the first stage, the second stage and the third stage are respectively 1-3 times, 1-2 times and 1-2 times. The times for which mixed size prepared in different components passes through the pulp grinding machines in the whole process are 9-22 times actually, and all nine pulp grinding machines allow constant power regulation independently.

The invention discloses a reconstituted tobacco leaf and a preparation method and application thereof. The reconstituted tobacco leaf is prepared by a papermaking method; a paper base formed by using pulp is perforated and then coated with a coating solution; and in the paper base, the aperture is 0.4 to 0.8 millimeter, the hole pitch is 1.0 to 3.0 millimeters, and the hole row pitch is 1.5 to 2.0 millimeters. The structure of the paper base is optimized, and perforation design is adopted, so that the contact area of the paper base and the coating solution is increased; and the coating solution is easily penetrated into the paper base, so that the absorption performance of the paper base on the coating solution is remarkably improved, the coating rate is finally remarkably improved, full bearing of soluble components and aroma components of the reconstituted tobacco leaf is ensured, the sensory quality is greatly improved, aroma quality and impurity gas are obviously improved, and the quality of the reconstituted tobacco leaf is integrally improved.

A method for reducing the optical loss of the multilayer coating below a predetermined value in a zone by producing coating on a displaceable substrate in a vacuum chamber with the aid of a residual gas using a sputtering device. Reactive depositing a coating on the substrate by adding a reactive component with a predetermined stoichiometric deficit in a zone of the sputtering device. Displacing the substrate with the deposited coating into the vicinity of a plasma source, which is located in the vacuum chamber at a predetermined distance from the sputtering device. The plasma action of the plasma source modifying the structure and/or stoichiometry of the coating, preferably by adding a predetermined quantity of the reactive component to reduce the optical loss of the coating.

Provided is a method of producing a piezoelectric/electrostrictive film type device, the method making it possible to increase the coating ratio of the lowermost electrode film and also, to prevent the deviation of the plane position of the lowermost electrode film from the plane position of the cavity. In the production of a piezoelectric/electrostrictive film provided with a substrate formed with a cavity and an vibrating laminate obtained by laminating a lower electrode film, a piezoelectric/electrostrictive film and an upper electrode film which are aligned with the plane position of the cavity, on the surface of the substrate, the lower electrode film is formed using, as a mask, the substrate in which a light-shielding agent is filled in the cavity by photolithography. The lower electrode film is formed by electroless plating after the catalyst layer is formed.

The invention relates to a multifunctional concentrated material used for preparing a kitchen and bath cement-based waterproof material. The multifunctional concentrated material is composed of waste rubber powder, a silane coupling agent, alcohol blend, high-alumina cement, redispersible latex powder, cellulose ether, a delayed coagulant, a coagulation accelerator, a water reducer, an anti-freezing agent (added in winter), and a water repellent, and is a one-component material. The cement-based waterproof material is prepared by mixing the multifunctional concentrated material with cement and quartz powder; is used for kitchen and bath waterproof construction; possesses both excellent characteristics of waterproofing coatings and waterproof mortars, and excellent waterproof performance, so that waterproof effect can be achieved just by a thin coating layer in construction; and also possesses excellent rigidity which is convenient for paving of tiling in following procedures, and is suitable for waterproofing of waterward sides and water lee sides. Addition of waste rubber powder is capable of reducing density of the polymer cement waterproof material, increasing spreading rate of waterproof coatings, changing waste into valuables, and realizing recycling of resources.

The invention belongs to the technical field of reconstituted tobacco, and specifically relates to natural-color bamboo pulp for a reconstituted tobacco additive and a preparation method thereof. The method is characterized in that bamboo is used as the raw material and subjected to preparing, stewing, squeezing extrusion, dipping, pulping and papermaking to obtain a high-purity product. The physical performance indexes of the natural-color bamboo pulp are that the tensile index is 35-45N-m/g; the burst index is 2.5-3.5kPa-m<2>/g; the tearing index is 6.5-9.5mN-m<2>/g; the intrinsic viscosity is 800-1000mL/g; the whiteness is 30-40% ISO; the pentosane is less than 8%; the ash content is less than 1.0%; the bulk is 5.0-8.5cm<3>/g. The prepared tobacco slices are added to finished cut tobacco based on ratio; the prepared cigarette is capable of supplying more air intake quantity while smoking, so that the cigarette can be promoted to completely burn, and the quantity of pyrolysis products under oxygen-poor condition can be effectively decreased, and as a result, the releasing quantity of harmful components such as tar and nicotine can be decreased.

The invention discloses a single-walled carbon nanotube reinforced epoxy zinc rich primer and a preparation method thereof. The single-walled carbon nanotube reinforced epoxy zinc rich primer comprises the following raw materials: epoxy resins, zinc powder, single-walled carbon nanotubes, additives, polyamide and an organic solvent. The preparation method comprises the following steps: preparing adissolving solution from the epoxy resins; uniformly mixing the first part of epoxy resin dissolving solution with a wetting dispersing agent, a second part of organic solvent, a flexibilizer and ananti-settling thixotropic agent, adding the single-walled carbon nanotubes, and shearing and dispersing uniformly at a high speed; adding the zinc powder to be uniformly dispersed at a high speed, andfinally adding a reinforcing agent to be blended into base stock; uniformly mixing the polyamide and the third part of organic solvent, dropwise adding the second part of epoxy resin dissolving solution, and finally adding an accelerant to be uniformly mixed, and blending into a curing agent. The construction method comprises the following steps: mixing the base stock and the curing agent, uniformly stirring, and performing application coating. According to the single-walled carbon nanotube reinforced epoxy zinc rich primer disclosed by the invention, the usage amount of the zinc powder is reduced, the specific gravity of the paint is reduced, the coating rate of the paint is increased, the salt-fog resistance index is greatly enhanced, and the cathode protection function is effectively improved.

The invention discloses soldering flux for improving corrosion inhibition. The soldering flux comprises, by weight, 2%-4% of activating agent, 3%-5% of cosolvent, 3%-5% of surface active agent, 0.2%-0.3% of film-forming agent, 0.06%-0.10% of corrosion inhibitor, 0.5%-2% of antibacterial agent and the balance water. By mass, the corrosion inhibitor is a mixture formed by compounding benzimidazole (BIA) and benzotriazole (BTA) by the mass ratio of 1:1, the activating agent is a mixture of succinic acid and DL-malic acid by the mass ratio of 1:1, the surface active agent is isomerism tridecane alcohol ethoxylate, the cosolvent is a mixture of compounding ethanediol, isopropanol and butyl cellosolve by the mass ratio of 1:1:1, the film-forming agent is polyethylene glycol-6000, the antibacterial agent is triclosan, and all the chemicals are chemically pure. Through the mode, the soldering flux for improving corrosion inhibition is high in corrosion inhibition and has the advantages of low toxicity, environmental protection and the antibacterial effect.

The invention specifically relates to a novel efficient spraying heavy ground-floor plastering gypsum mortar, belonging to the technical field of building materials. The novel efficient spraying heavyground-floor plastering gypsum mortar comprises, by weight, 500-700 parts of flue gas desulfurization gypsum, 50-200 parts of ordinary Portland cement, 50-300 parts of heavy calcium carbonate powder,50-200 parts of talcum powder, 100-300 parts of quartz sand, 0.1-0.5 part of a retarder, 15-25 parts of redispersible latex powder, 3-5 parts of cellulose ether, 1-3 parts of wood fibers, 0.5-2.0 parts of starch ether, 1.0-3.0 parts of a thixotropic lubricant and 1 to 2 parts of polyacrylamide. The novel efficient spraying heavy ground-floor plastering gypsum mortar disclosed by the invention hashigh bonding strength, no phenomena of hollowing and cracking, good heat preservation effect, high coating rate and high construction efficiency.

The invention discloses a cross-linking reaction type sand-in-water colorful granite stone-like coating which comprises a dispersed phase and a continuous phase in a weight ratio of 1: 1. The dispersed phase comprises the following components in parts by weight: 5-20 parts of deionized water, 2-4 parts of protective glue, 30-40 parts of waterborne polyurethane resin, 30-40 parts of white sand, 1-5parts of inorganic pigment paste, 0.1-0.3 parts of a mildew-proof preservative, 2-5 parts of a coalescing agent, 5-7 parts of an associative rheological agent and 1-2 parts of an internal cross-linking agent. The continuous phase comprises the following components in parts by weight: 5-15 parts of deionized water, 3-5 parts of a separant, 5-8 parts of matte powder, 40-50 parts of water-based acrylic silicon copolymer resin, 3-5 parts of a coalescing agent, 4-5 parts of an anti-settling agent, 0.1-0.2 parts of a mildew-proof preservative, 8-10 parts of an external cross-linking agent and 3-4 parts of an associative rheological agent. The coating disclosed by the invention is an ideal substitute for flamed granite stone.

The invention provides rapidly calcined lightweight plastering gypsum and a preparation method thereof. The rapidly calcined lightweight plastering gypsum provided by the invention is prepared from the following raw materials in parts by mass: 85-95 parts of modified gypsum powder; 6 to 12 parts of glass beads; 0.5-5 parts of heavy calcium carbonate; 0.2 to 0.5 part of a retarder; 0.2 to 0.3 part of hydroxypropyl methyl cellulose ether; 0 to 0.2 part of starch ether; 0 to 0.5 part of a tackifier; 0.5 to 1 part of bentonite; and 0.02 to 0.5 part of an air entraining agent. The light plastering gypsum product is prepared by matching certain modified gypsum powder with the specific water-retaining agent, the retarder and other components according to a certain proportion, so that the coating rate can be increased (greater than 130m < 2 >/ton), and the problems of easiness in cracking, low strength and powder falling after construction are solved.

The invention discloses a preparation method and an application of high flexible reconstituted tobacco. The preparation method comprises the steps of 1, preparation of sheet bases: adding solid matters, formed after extraction, of Schisandra chinensis which is 1-5% of the weight of tobacco materials during a tobacco pulping process, and producing the reconstituted tobacco sheet bases; 2, coating the sheet bases: adding 1-5% of Schisandra chinensis powder into tobacco coating liquid, coating the reconstituted tobacco sheet bases according to a preset coating rate, drying after coating to control moisture of the reconstituted tobacco to be 10-12%; and 3, spraying fragrance to the sheet bases: spraying a Schisandra chinensis extracting solution with the density of Rho that is equal to 1.1-1.20g/cm<3> to the cut sheet bases, controlling the moisture of the reconstituted tobacco to be 10-12% after spraying is completed. A final product can be significantly improved in flexibility, absorbency and bulk of the sheet bases, improves the problems that the reconstituted tobacco is spicy, irritant and relatively high in wood miscellaneous gas, meanwhile, enhances sweet feeling, comfort and compatibility of the reconstituted tobacco, and can relieve cough, eliminate phlegm and improve immunity of a respiratory system.