32results about How to "Strong infiltration" patented technology

The invention discloses a vacuum infusion forming method for a carbon fiber composite structure member. The method comprises the steps as follows: making a large-size carbon fiber composite wind power blade structure member by a vacuum infusion forming technology; bonding and fixing a guide net to a mould by a transparent double-sided tape for preventing deformation of carbon fiber fabrics due to deformation of the guide net to guarantee that carbon fiber sheet is consistent in orientation so as to obtain a composite structure member with higher mechanical performance; preheating a resin mixing solution with a carbon fiber preforming body at first to guarantee the resin mixing solution to be quickly infused in a low-viscosity state; and sealing the upper surface of the carbon fiber preforming body with a unidirectional breathable film to form a surface breathable channel, and enabling the resin mixing solution to permeate from surface and to fill fully under vacuum, thus completing the vacuum infusion forming process. The method is suitable for the carbon fiber fabrics which are shaped by hot melting lines and have different surface densities; and compared with the carbon fiber prepreg forming process, the method has the advantages of long material availability period, high process stability and low product cost, and is favorable for popularization and application.

The invention relates to a refining agent for aluminum and aluminum alloy. The refining agent is characterized by mainly comprising the following components in percentage by mass: 30 to 85 percent of NaCl, 5 to 40 percent of Na2SiF6, 5 to 40 percent of Na2SO4, 2 to 20 percent of CaF2 and 0.5 to 5 percent of C6C16; and the refining agent also can comprise one or more of CaMg(CO3)2, Na3AlF6, Na2S2O3 and NaF. The potassium-free refining agent provided by the invention has good slag forming performance, strong gas and impurity removing capability and low cost; and the aluminum ash produced by refining the aluminum and the aluminum alloy through the refining agent can realize recycle.

The invention discloses a wood preservative. The preservative comprises the following components, by weight, borate 15-45%, quaternary ammonium salt 6-15%, chlorothalonil 5-10%, cosolvent 4-10% and the balance solvent, wherein the solvent is one or a plurality of dimethylbenzene, glycerol and water, and the cosolvent is polyethylene glycol, urea formaldehyde preshrinking liquid or ethylene. The wood preservative is colorless, odorless, safe and environment-protection, simultaneously has the functions of corrosion prevention, mold prevention, insect prevention and antitarnish, and can rest assured use indoor and outdoor.

The invention discloses a self-adhesive and a preparation method of the self-adhesive and an anti-pollution self-adhesive asphalt waterproofing membrane. The self-adhesive comprises the following components: petroleum asphalt, aromatic oil, naphthenic oil, synthetic wax, styrene-isoprene-styrene, styrene-butadiene-styrene, a tackifier, a stabilizer, a coupling agent and an inorganic filler. The anti-pollution self-adhesive asphalt waterproofing membrane comprises three layers which are a reinforced layer, a self-adhesive layer and an isolation layer successively; or five layers which are an isolation layer, a self-adhesive layer, a reinforced layer, a self-adhesive layer, and an isolation layer successively. According to the anti-pollution self-adhesive asphalt waterproofing membrane prepared by the invention, physical properties can meet product standard requirements in GB 23441-2009 Self-adhesive Polymer Modified Asphalt Waterproofing Membrane, and the peel strength of the membrane and an aluminum plate reaches 2.8 N/mm, and is higher than the standard by 1.5 N/mm.

The paper-based plaster for treating beriberi is produced through the process of making Chinese medicine liquid with 24 kinds of Chinese medicinal materials including flavescent sophora root, gallnut, alum, cnidium fruit, sessile stemona root, etc.; producing paper carrier with husk, wheat b bran and Chinese medicine residue and through conventional papermaking process; painting thiamine and the medicine liquid to the paper carrier and stoving; and covering the medicine liquid layer with water absorbing paper layer. It has the functions of killing bacteria, stopping itch, eliminating wetness,promoting blood circulation, healing tissue protein, killing free dmould spores and replenishing vitamin B1.

The asphalt mixture modified with polyester and polyamide fiber possessing irregular cross section consists of conventional SMA and hollow polyester and polyamide fiber possessing irregular cross section consists, with the fiber content being 0.01-15 wt%. The present invention is superior in that the hollow polyester and polyamide fiber possesses good lipophilicity to infiltrate and adsorb asphalt, so as to prevent separation of asphalt in the mixture, raise the mechanical performance of the mixture, lower the brittle point, raise the anticracking performance of the mixture and toughen. The present invention is simple and practical and the asphalt mixture may be prepared in available asphalt mixing apparatus.

A glass plating film cleaning liquid is characterized by comprising the components by the weight percentage: 80-90% of deionized water, 0.5-5% of a surfactant, 0-1.0% of a preservative, 0.5-5% of fluorosilicone oil, 1-10% of oleic acid, and 0-1.0% of an essence and spice. A preparation method comprises the steps: during preparation, adding deionized water into a reaction vessel, stirring and heating up to 45-80 DEG C, and stirring for 30-120 minutes; adding the surfactant; and adding the preservative, the essence and spice, the fluorine silicone oil and oleic acid, with the stirring time of 30-240 minutes, stirring evenly and cooling to 20-50 DEG C, discharging, and detecting. With use of water as a solvent to replace alcohol, the cleaning liquid is environmentally friendly and has no pollution; in addition, the cleaning agent is adjusted in view of the surfactant wettability, has good infiltration capacity on all kinds of plastics and metal parts, is good in cleaning effect and low in cost, and has three efficacies of cleaning, hydrophobility, and film formation and acid rain prevention combined; the product is neutral, transparent, uniform and stable, and cannot damage the surface of washed materials; and the cleaning liquid is antistatic and can prevent dust retention.

The invention discloses an environment-friendly cashew amine epoxy curing agent for a low volatile organic compound (VOC) anticorrosive coating and a preparation method for the curing agent. The curing agent is prepared from the following raw materials in parts by weight: 1.5 to 2.5 parts of cardanol, 1 to 1.5 parts of diethylenetriamine, and 1.5 to 2 parts of 37 percent formaldehyde aqueous solution. The raw material composition and the optimal proportion of the raw materials are selected through a large quantity of experiments, so that the proportion of each component is scientific and reasonable. The curing agent synthesized by adopting excessive amine and a low-temperature reaction method is high in activity, low in viscosity, good in mixing property, light in color, oil-free, convenient in construction, environment-friendly and solvent-free, can meet various requirements of low VOC anticorrosion, and can overcome many defects of the cashew amine epoxy curing agent prepared by the method in the prior art.

The invention discloses improved composite electrical adhesive tape, which comprises a base material formed by calendaring rubber gelatine. A key improvement is to coat the surface of the base material with a layer of pressure-sensitive adhesive having diffusion-fusion performances. A processing method for the improved composite electrical adhesive tape is direct blade coating or transfer coating. As the initial viscosity and water resistance of the adhesive tape are remarkably improved by adopting the processing method, the problem that the prior self-adhesive insulating sealing tape which is wet or soaked in water is easy to lose effectiveness is solved so as to provide a strong guarantee for the insulation seal protection of high-voltage wires and cables.

The invention discloses a sealer which prepared by special-shaped section hollow polymer fiber reinforced emulsified asphalt slurry and it comprises of regular emulsified asphalt slurry sealer and special-shaped section single hole or porous polymer. Among them, the content of special-shaped section single whole or porous polymer is 0.1-0.3% of the total weight of bitumen slurries mixture. The polymer fibers are polyester fibers, polyacrylic fiber or polyamide fiber, or mixed fiber comprised of said fibers in causal proportion. The 'special-shaped section' of polymer fibers is the lateral section of fibers which could be regular or irregular geometric shapes, for example, cross-shaped, trilobular, well-shaped, star-shaped, quincunx etc. The 'hollow'' means the fiber is not solid, but with one or more holes structure along the axis. The special-shaped section hollow polymer fiber reinforced emulsified asphalt slurry sealer has many advantages, such as fine toughness, and it does not occur cracks, local decortication and breakage easily. It can be applied to maintenance and conservation of various levels of road widely, especially the high-grade highways, ordinary roads which asphalt pavement is in larger deformation, large communications, heavy communications and other engineering areas.

The invention discloses a processing and making method of a cinnabar relief painting. Basic pigment bottoming and cinnabar contouring are combined and performed on a relief painting blank to form thecinnabar relief painting. The blank is colored through plant color mucilage, pigments are fully permeated into the blank and well attached to the surface of the blank, and then the blank line segmentsand outstanding positions are drawn through cinnabar pigments. The cinnabar relieve painting obtained through the method is uniform in color and luster, styled with layers and capable of vividly, lively and three-dimensionally showing the veins and other delicate details in the relief painting. Through reasonable combination of cinnabar powder, natural dyestuff and the like, the using amount of cinnabar is reduced, the reasonable resource protection and utilization are performed, the effect that the relief painting is not discolored and faded for a long time can be maintained, and then the cinnabar relief painting has color, luster, three-dimensional style and attractiveness.

The invention discloses a processing and manufacturing method for a cinnabar stone carving handicraft picture. The cinnabar stone carving handicraft picture is formed through the mode that basic pigment underpainting and cinnabar outlining are combined and conducted on an embossment blank; firstly coloring is conducted on the blank through mixed color paste of plants and soil, so that pigment sufficiently permeates into the blank and is well adhered to the surface of the blank; and then blank line segments and emphases are outlined through the cinnabar pigment. According to the cinnabar stonecarving handicraft picture obtained through the method, the color is uniform and layered, and textures and other subtle details in the embossment picture can be displayed in lifelike, vivid and three-dimensional modes; and through reasonable matching of cinnabar powder, natural dyestuffs, base materials and the like, the use amount of cinnabar is reduced, reasonable resource protection and utilization are conducted, and the embossment picture can keep nondiscoloring and fadeless for a long time, so that the cinnabar stone carving handicraft picture has the colors, three-dimensional feeling andaesthetic feeling.

The invention discloses a halogen-free and flame-retardant polyethylene cable material. The halogen-free and flame-retardant polyethylene cable material comprises 70-80% of polyethylene resin, 12-25%of phosphate ester-modified ultrafine calcium carbonate, 1-2% of oleamide, 2-5% of triglycidyloxyphenyl silane and 0.5-1.0% of stearic acid. All assistants are weighed according to the above formula proportions, and are uniformly mixed in high-speed mixer, and the obtained mixture is granulated by plasticization shaping by using an extruder. The prepared halogen-free and flame-retardant polyethylene cable material has the advantages of low cost, good mechanical properties and outstanding flame retardant performance.