45results about How to "No black spots" patented technology

A light diffusing film which is excellent in luminance uniformity and which exhibits no partial deterioration in light transmittance, thereby eliminating the formation of black spots. The light diffusing film, which has a monodisperse light diffuser and a light diffusing layer consisting of a light diffuser and a binder resin on one plane of a base, in which the lamination ratio is 10% or less and the diameter of flocculated particles in the light diffuser is 50 μm or less, exhibits excellent luminance and thermal properties, so that it can be suitably used in various kinds of picture display devices, in particular, in a display device employing LED (light emitting diode) lamps or an LCD (liquid crystal display device) backlight system.

The invention discloses a special compatilizer for improving hydrolysis heat stability of a PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) alloy and an alloy. The compatilizer is a terpolymer formed by copolymerizing aromatic vinyl monomer, acrylonitrile monomer and glycidyl methacrylate. The PC/ABS alloy with high hydrolysis heat stability comprises the following components in percentage by weight: 50-85% of PC, 10-45% of ABS, 0.5-5% of compatilizer, 0.1-1% of antioxidant and 0.1-0.5% of lubricant. Compared with the prior art, the special compatilizer for the PC/ABS alloy can be blended with other raw materials and subjected to extrusion and granulation in the preparation process to obtain the PC/ABS alloy with excellent hydrolysis heat stability on the premise of maintaining excellent mechanical properties in a simple, effective, convenient and cheap way.

The invention discloses a naturally dried photosensitive acid-corrosion-resistant electroplating printing ink and a preparation method thereof. The naturally dried photosensitive acid-corrosion-resistant electroplating printing ink comprises the following components in parts by weight: 50-80 parts of alkali soluble photosensitive resin, 0-5 parts of cellulose used for coating, 2-10 parts of active diluents, 2-8 parts of photosensitizer, 10-40 parts of filler, 0.5-1 part of pigment, 5-15 parts of solvent and 0.5-3 parts of auxiliaries, wherein the alkali soluble photosensitive resin is prepared from the following components in parts by weight: 40-60 parts of mixture consisting of 20-30 parts of n-butyl acetate, 0-30 parts of methyl isobutyl ketone, 0-20 parts of methylbenzene and 0-20 parts of propylene glycol monomethyl ether acetate, 25-40 parts of styrene-maleic anhydride resin, 15-20 parts of acrylic acid monomer, 0.1-1.0 part of catalyst and 0.1-1.0 part of polymerization inhibitor. The naturally dried photosensitive acid-corrosion-resistant electroplating printing ink disclosed by the invention does not need baking, is dried naturally after being diluted and is energy-saving and is resistant to acid and electroplating, and a film formed after the electroplating printing ink sprayed and dried naturally is high in adhesive force, high in hardness, quick in development, capable of obtaining clear images and resistant to acid corrosion.

The invention discloses a high-efficiency diamond polishing agent which is prepared from the following raw materials in percentage by weight: 5-20 percent of ultra-precision diamond micro powder, 10-20 percent of ethyl orthosilicate, 20-30 percent of solvent, 0.2-0.8 percent of strong acid, 10-30 percent of surface active agent, 10-25 percent of wetting agent, 5-15 percent of dispersing agent and 0.1-5 percent of PH conditioning agent. According to the high-efficiency diamond polishing agent, the diamond micro powder is subjected to surface modification by using ethyl orthosilicate, so that a silicon dioxide coating layer is formed on the surface of the diamond micro powder, and during polishing, the coating layer plays a role in buffering the diamond micro powder on the inner layer; through performing multiple times of crushing and shaping on the diamond micro powder and improving surface modification process, the morphology of the diamond micro powder is closer to an octahedron; the prepared polishing agent has a better polishing effect to high-hardness metal materials such as high-carbon steel, also has a better polishing effect to crisp and hard materials such as Cr2O3, ceramics, jade and quartz, and is capable of completely preventing the damage on the surface of a material to be polished, and free from generating scratches, black points, and particle surface residues during polishing.

The invention discloses a carbon nanotube modified PET antistatic thin film. A method for preparing the carbon nanotube modified PET antistatic thin film includes: stirring carbon nanotube at a high speed; at the same time, dissolving a dispersant in a liquid, and spraying the liquid into carbon nanotube powder while being stirred to activate the surface of the carbon nanotube; adding obtained activated carbon nanotube as a conductive filling agent into a PET material matrix to prepare PET/carbon nanotube conductive masterbatch good in conductive performance; mixing the PET/carbon nanotube conductive masterbatch with auxiliaries like PET matrix resin, a thermal oxidation stabilizer, a flow modifier and a friction-resistant agent, and obtaining the PET antistatic thin film through blow molding, tape casting or bidirectional stretching processes. The PET antistatic thin film prepared by the method is good in conductive performance, high in antistatic durability and long in service life.

The invention belongs to the field of complementary food nutrition supplement and provides a complementary food nutrition bag for infants and a preparation method of the nutrition bag. The nutrition bag is prepared from components in parts by mass as follows: 88-98 parts of instant bean powder (18% protein content0, 7.2-7.8 parts of a compound nutrition enhancer, 15-21 parts of soy protein isolate (sodium lower than or equal to 1,000 mg/100g), 1.5-2.5 parts of freeze-dried apple powder, 1.5-2.5 parts of freeze-dried banana powder, 0.8-1.2 parts of freeze-dried kiwi powder, 0.8-1.2 parts of freeze-dried sweet orange powder, 2-3 parts of carrot powder and 4.5-5.5 parts of whole milk powder. The nutrition bag is designed specifically for infants of 1-2 ages in China, is rich in micronutrients, such as protein, iron, zinc, calcium, vitamin A, vitamin B1, vitamin B2, vitamin B12, vitamin D3, folic acid and the like, required by growth and development of the infants in the key window period, is reasonable in proportion, has an exact effect, clear mechanism and significant synergistic effect, is easy to produce, conforms to national standard production issued by Ministry of Public health and is safe and reliable.

The invention belongs to the field of supplementary nutrition and provides a children's supplementary nutrition package and a preparation method thereof. The children's supplementary nutrition is prepared from, by weight, 70-80 parts of whole milk powder, 15-21 parts of soy isolate protein (sodium is smaller than or equal to 1000mg/100g), 6-7 parts of calcium carbonate, 2-4 parts of fructo-oligosaccharide, 4-6 parts of galacto-oligosaccharides, 4-6 parts of oat powder (pregelatinized), 4-6 parts of rice meal (pregelatinized), 4-6 parts of corn flour (pregelatinized), 3-5 parts of multi-vitamins, 1-1.6 parts of composite mineral, 0.5-1.5 parts of frozen-dried apple powder, 0.5-1.5 parts of frozen-dried kiwi powder and 0.5-1.5 parts of carrot powder. The children's supplementary nutrition package specially designed for Chinese babies 13-36 months old is reasonable in proportion, definite in efficacy and clear in mechanism, micronutrients required by the babies in critical growth and development window periods are supplemented, and the package produced according to GB/T22570 national standards issued by ministry of health is safe and reliable.

The invention discloses a novel method for preparing a dehydrated cauliflower. The novel method disclosed by the invention comprises the following steps of: (1), pre-processing a raw material: washing the cauliflower as the raw material by using saline solution with the concentration of 0.1-0.3% by weight to remove silt and dirt on the surface of the cauliflower; (2), blanching: blanching by putting the cauliflower in NaOH aqueous solution with the concentration of 0.2% by weight at 80-90 DEG C for 1-2 min; (3), cooling: necessarily picking up the blanched cauliflower instantly, and transferring the cauliflower into a cold water tank to cool; (4), protecting colour: putting the cooled cauliflower in citric acid aqueous solution with the concentration of 0.05% by weight, and quenching for 3-6 min to protect colour; (5), draining: after protecting colour of the cauliflower, picking up the cauliflower to drain; (6), dehydrating and drying: keeping the temperature at 50-60 DEG C at the beginning of dehydrating, then, increasing the temperature to 70-80 DEG C, and decreasing the temperature to 50 DEG C after drying, wherein the drying and dehydrating time is 6-8 h; (7), packaging: packaging the cauliflower by using a plastic film.

The invention discloses a carbon nanotube modified polypropylene antistatic film which is prepared by the following method: stirring carbon nanotube at high speed and simultaneously dissolving a dispersant in a liquid and spraying the liquid into the stirred carbon nanotube powder by a spraying mode to surface-activating the carbon nanotube, adding the active carbon nanotube used as a conductive filler into a PP material matrix to prepare PP/carbon nanotube conductive master batch with good conductivity, mixing the PP/carbon nanotube conductive master batch with PP matrix resin and a thermal-oxidative stabilizer, a flow modifier, an abrasive agent and other auxiliary agents, and preparing the polypropylene antistatic film by blow molding, tape-casting or two-way stretching technology. The prepared polypropylene antistatic film has good conductivity, strong antistatic endurance and long service life.

The invention discloses a celadon-Jianzhan porcelain combined firing process for porcelain. The process comprises the following steps: preparing a green body raw material, Jianzhan glaze slip and celadon glaze slip; subjecting the green body raw material to throwing so as to form a cup shape, conducting green body trimming, engraving a pattern outside a cup body, and carrying out biscuiting and cooling to obtain a green body; conducting glazing; and putting the glazed and air-dried green body into an electric kiln for roasting, stopping the electric kiln, carrying out natural cooling, and drawing a produced cup out of the electric kiln. According to the invention, Longquan celadon and Jianzhan porcelain firing processes are combined, the interior and the mouth edge of the fired porcelain cup are Jianzhan porcelain glaze surfaces, and the exterior of the cup is a celadon glaze surface with a carved pattern; and a combination of celadon and Jianzhan porcelain breaks the constraint of traditional porcelain types, presents strong visual impact and artistic aesthetic feeling, and is of milestone significance in the field of porcelain.

The invention discloses an activated carbon nanotube modified polypropylene (PP) antistatic film. The PP antistatic film is prepared from the following components in parts by mass: 70-95 parts of PP base materials, 0.01-10 parts of activated carbon nanotubes and 0.1-20 parts of an aid, wherein the aid is one or a mixture of two or more of a dispersant B, a coupling agent, an antioxidant, a lubricant and an abrasive agent; an activated carbon nanotube is prepared through the following steps: the dispersant A is dissolved in a solvent, and a dispersant solution is obtained; then, the dispersant solution is sprayed into the carbon nanotube stirred at a high speed with a high pressure spray method, and the activated carbon nanotube is prepared after high-speed stirring and mixing. The PP antistatic film has good conductivity, high antistatic durability and long service life.

The present invention relates to a nutrient and defence element premix and preparation method thereof, more specifically to a composite food nutrition intensifying agent, pertaining to the field of food additives and nutrition intensifying technology. The product formula of the invention is composed by the ferralia, zinc agent, copper agent, taurine, niacin, stabilizing agent and carrier. The invention has positive effects of reasonable formula, synergy, good mobility, long shelf-life, non-electrostatic adsorption, non-toxic side effects, safety and stability, and easy achievement of implement the automation packaging of products, and the like; but also has advantages of easy intensifying and addition process, streamline procurement procedures, storage convenience, reduced waste, etc., thereby providing facilitation guarantee for large-scale industrial production.

The invention discloses a preparation method of easy-to-store and halogen-free scaling powder and belongs to the technical field of scaling powder preparation. The preparation method comprises the following steps: firstly, succinic acid, adipic acid, itaconic acid and triisopropanolamine serve as core materials and acrylic resin BS965M serves as a shell material to prepare a microencapsulation active agent; then, loofah sponge obtained through loofah treatment is smashed and mixed with deionized water, the mixture is filtered to obtain loofah sponge leach liquor, loofah sponge leach liquor and chitosan are stirred to obtain loofah sponge anti-microbial clear liquid; and finally, the microencapsulation active agent, nitroethane, sorbitol and an emulgator are reacted in a stirring and heating manner, filtering and filter residue removal are carried out to obtain the easy-to-store and halogen-free scaling powder. The easy-to-store and halogen-free scaling powder prepared through the preparation method disclosed by the invention is high in activity and easy to store; after being painted on the surface of a welded object, the easy-to-store and halogen-free scaling powder can clean the surface and improve the welding property; the easy-to-store and halogen-free scaling powder is better in wettability, does not have a dark spot and has less residue after being welded, effectively improves production efficiency of welding, and has broad application space.

The invention discloses a pipe blank injection molding method and a pipe blank mold for high-capacity plastic bottles. The injection molding method includes filling the temperature-control pipe blank mold with injection molding materials to form pipe blanks by means of injection molding, and is characterized in that the integral pipe blank mold is of a cooling structure with multiple flow channels, a pipe blank mold core and a pipe blank mold cavity are cooled in a temperature-control mode, and the temperatures of cooling media are controlled by temperature control equipment, so that the temperature of cooling oil of the pipe blank mold core is 50-60 DEG C under the control, and the temperature of cooling oil of the pipe blank mold cavity is 45-55 DEG C under the control; the hot flow channel of a bottom feed inlet is divided into three portions, and heat of each portion can be preserved differently, so that heat of residual materials which are not fed into the pipe blank mold cavity can be preserved, and the residual materials can be prevented from flowing outwardly. The pipe blank injection molding method and the pipe blank mold have the advantages that the integral pipe blank mold is of the cooling structure with the multiple flow channels, the temperatures of the different portions can be differently controlled by temperature control devices, accordingly, the molding temperatures of products can be effectively controlled, the molding quality of the products can be guaranteed, and the residual materials can be prevented from being hardened or flowing outwardly.

The invention discloses a solid beverage of fortified complementary vitamin D, belonging to the fields of nutrient fortified food and solid beverage technologies. The solid beverage is characterized by being prepared from medium chain triglyceride (MCT) powder, apple juice powder, food grade yeast powder, and vitamin D3 water dispersible powder. The solid beverage of the fortified complementary vitamin D provided by the invention has the advantages and beneficial effects of reasonable ratio, accurate efficacy, clear bio-synergy, high pertinency, and remarkable synergistic effects, and the solid beverage is easy to produce and convenient to take; the solid beverage provided by the invention has no any harmful effect in the aspect of color and luster, mouthfeel, stability, and the like; dark spots, sediment and flotage do not occur; oxidative smell of the product does not occur in a short time; the shelf life is up to 24 months, the solid beverage is easy to accept by an infant, any preservative, essence and the like do not exist; the solid beverage fully complies with the national food safety standard; and harm and toxic and side effects are not brought to a body.

The invention provides loudspeaker coating glue. The loudspeaker coating glue comprises, by weight, 100-150 parts of clear water, 30-45 parts of polyvinyl alcohol, 20-35 parts of formaldehyde, 10-15 parts of hydrochloric acid, 2-3 parts of urea, 5-8 parts of antifoaming agents, 5-8 parts of flowing agents, 3-5 parts of preservatives, 2-5 parts of dispersing agents and 6-10 parts of adhesives. A coating process includes S1) glue preparation: feeding the polyvinyl alcohol to a round-bottomed flask, sequentially adding the flowing agents, the preservatives, the dispersing agents, the adhesives and the clear water, stirring the mixture while heating, maintaining the temperature at 90-95 DEG C until the polyvinyl alcohol is completely dissolved, lowering the temperature to 70-80 DEG C, and dropwise adding 36-38% of the hydrochloric acid to adjust the pH value. The loudspeaker coating glue and the coating process thereof have the advantages that proper ingredients are selected to prepare theliquid glue with low fluidity, the flue is not liable to overflow towards the edge under pressure after coating, the coating mode is optimized, waste of the glue is reduced, and the coating quality is ensured.