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46results about How to "The distribution ratio is scientific and reasonable" patented technology

Water-soluble PU nubuck low-temperature foamex for synthetic leather

The invention discloses water-soluble PU nubuck low-temperature foamex for synthetic leather, prepared by the following raw materials in percentage by weight: 30-40 percent of water-soluble polyurethane, 40-50 percent of water, 2-10 percent of low-temperature nubuck foam powder, 2-5 percent of organosilicon levelling agent, 2-5 percent of organosilicon antifoaming agent and 0.5-2 percent of water-soluble polyurethane thickener. The mixture ratio of each component of the water-soluble PU nubuck low-temperature foamex for synthetic leather is scientific and reasonable, and the components mutually coordinate and jointly act. The nubuck low-temperature foamex has the advantages of good film reforming property and firm adhesion, and coating is resistant to solvent, cold, hydrolysis and thermalageing. The original effect of the leather surface of a finished product prepared from the water-soluble PU nubuck low-temperature foamex can not be influenced; after the leather surface is treated bythe foamex, low-temperature foaming is carried out to produce nubuck leather, and therefore, the effect of the leather surface is unique; moreover, the synthetic leather has exquisite texture, good air permeability and excellent resultant effect of hand feeling, water proofing, adhesion and the like.
Owner:JIANGSU BAOZE POLYMER MATERIAL

Electrolytic solution used for molybdenum gate screen electrolytic polishing and preparation method and application thereof

The invention discloses an electrolytic solution used for molybdenum gate screen electrolytic polishing and a preparation method thereof, and application thereof to the molybdenum gate screen electrolytic polishing process. The electrolytic solution consists of the following raw materials: 400 to 450 ml of phosphoric acid, 150 to 200 ml of sulfuric acid, 40 to 60 g of nickel sulfate and 150 to 200 ml of water. Experiment researches show that each ingredient of the electrolytic solution has scientific and reasonable proportion, and can be perfectly used for the electrolytic polishing process of molybdenum gate screens and the like. The molybdenum gate screen electrolytic polishing method of the invention has the advantages of strong operability and good electrolytic polishing effect, and can perfectly remove the burr on the surface of the molybdenum gate screens particularly under the preferable process parameter conditions such as the electrolytic voltage, the time, the temperature and the like, so the quality of the molybdenum gate screens can be improved, the striking rate is obviously reduced after the molybdenum gate screens are assembled to traveling wave tubes, and the performance of the traveling wave tubes is improved.
Owner:NANJING SANLE ELECTRONICS INFORMATION IND GRP

Copper alloy bar for high-strength corrosion-resistant wear-resistant valve element and preparation method thereof

The invention provides a copper alloy bar for a high-strength corrosion-resistant wear-resistant valve element. The cooper alloy bar is characterized in that the copper alloy bar comprises, by weight,0.04-0.2% of Si, 0.25-0.6% of Mn, 0.1-0.4% of Sn, 0.06-0.2% of Ni, 0.7-1.3% of A1, 0.1-0.25% of Fe, 83-87% of Cu, 0.01-0.1% of lanthanum and strontium rare earth, and the balance Zn and inevitable trace impurities. The preparation method comprises the following steps of burdening and smelting; refining and removing impurities; degassing; adding lanthanum and strontium rare earth; carrying out horizontal continuous casting; drawing and extending a casting blank; peeling twice; and carrying out light pressing and straightening to obtain a finished product. The copper alloy component is scientific and reasonable in component ratio, and the prepared copper alloy has good machining performance and casting performance; and meanwhile, the alloy is high in strength and good in corrosion resistance and wear resistance, and can be applied to the manufacturing of the valve element of ocean engineering; the preparation process is simple and easy to operate; and the horizontal continuous casting is adopted, so that cracks caused by thermal stress are avoided, and the hot extrusion cracking problem of the casting blank is solved.
Owner:JINTIAN COPPER GROUP CORP NINGBO

Water-based PU matte surface color fixing finishing agent for synthetic leather

The invention discloses a water-based PU matte surface color fixing finishing agent for synthetic leather, which comprises the following materials in parts by weight: 30 to 40 parts of water-based polyurethane resin, 50 to 60 parts of water, 3 to 6 parts of modified organic silicon polymer, 1 to 2 parts of organic silicon flatting agent, 1 to 2 parts of organic silicon foam killer, 1 to 2 parts of water-based polyurethane thickening agent, and 2 to 3 parts of modified organic silicon matting agent. For the water-based PU matte surface color fixing finishing agent, the mixture ratio of the components is scientific and reasonable, and the components are coordinated with each other and act together. The matte surface color fixing finishing agent has the advantages of good film reforming property, firm bonding, solvent resistance, hydrolysis resistance and thermosenescence resistance of coating. The finished product made of the synthetic leather, the surface of which is treated by the matte surface finishing agent, has the advantages that the original effect of the leather surface is not affected, particularly the combined application of the modified organic silicon matting agent and the polyurethane resin ensures that the treated leather surface has unique matte surface color fixing effect, and the synthetic leather has good comprehensive effects of good air permeability, good hand feel, water resistance, cohesiveness and the like.
Owner:JIANGSU BAOZE POLYMER MATERIAL

Postpartum conditioning composition and preparation method thereof

The invention discloses a postpartum conditioning composition and a preparation method thereof and belongs to the technical field of traditional Chinese medicine processing. The composition is prepared from the following raw materials in parts by weight: 20-40 parts of red ginseng, 250-350 parts of all angelica sinensis, 50-70 parts of flowers carthami, 80-100 parts of baked ginger, 80-100 parts of pericarpium citri reticulatae, 110-130 parts of peach kernels, 140-160 parts of sealwort, 80-100 parts of scorched hawthorns, 130-170 parts of poria cocos, 250-350 parts of semen coicis, 130-170 parts of fruits of Chinese wolfberries, 130-170 parts of bitter cardamom, 170-250 parts of semen sesami nigrum, 20-40 parts of honey-fried licorice roots, 130-170 parts of parched white peony roots, 70-150 parts of colla corii asini, 170-250 parts of walnut meat, 250-350 parts of yellow rice wine, 60-300 parts of brown sugar, 130-170 parts of Chinese yam, 130-170 parts of peanuts, 210-300 parts of honey and 170-250 parts of red dates. The composition disclosed by the invention is obvious in effects of improving weakness, extravasated blood, constipation and abnormal milk after delivery, recovering beauty of healthy shaping and activating and tendering skin.
Owner:山西中唐慈幼生物科技有限公司

High-strength terylene flame-retarding composite yarn and preparation method of same

The present invention disclosed a high -strength polyester flame -retardant composite wire and its preparation process, including the body, including the body and the outer core, and the outer surface of the body is painted from the inside to the outside.The base composite coating, which is composed of silver antibacterial mother grains, anti -ultraviolet maternal particles, and co -concentrated phosphorus -based flame retardant polyester resin. The percentage of the ingredients is 3 % to 10 % of the silver antibacterial mother particles.The polyester fiber provided by the present invention is scientific and reasonable in each group. Through scientifically, the silver -based antibacterial mother grains, anti -ultraviolet mother grains, and co -concentration phosphorus are combined with flame retardant polyester resin to prepare to get pre -removal -oriented wires, and then go through through it.Add bullet deformation to produce low -bullet polyester deformation wires, and then enter the mixed spinning box spinning after measuring pump measuring pump meters to obtain a permanent antibacterial, ultraviolet and flame -retardant multi -functional polyesterFiber makes the application range of polyester fibers wider.
Owner:常州亿达化纤有限公司

Copper alloy bar material for high-strength corrosion-resistant and wear-resistant valve parts and preparation method thereof

The invention provides a copper alloy bar for a high-strength corrosion-resistant wear-resistant valve element. The cooper alloy bar is characterized in that the copper alloy bar comprises, by weight,0.04-0.2% of Si, 0.25-0.6% of Mn, 0.1-0.4% of Sn, 0.06-0.2% of Ni, 0.7-1.3% of A1, 0.1-0.25% of Fe, 83-87% of Cu, 0.01-0.1% of lanthanum and strontium rare earth, and the balance Zn and inevitable trace impurities. The preparation method comprises the following steps of burdening and smelting; refining and removing impurities; degassing; adding lanthanum and strontium rare earth; carrying out horizontal continuous casting; drawing and extending a casting blank; peeling twice; and carrying out light pressing and straightening to obtain a finished product. The copper alloy component is scientific and reasonable in component ratio, and the prepared copper alloy has good machining performance and casting performance; and meanwhile, the alloy is high in strength and good in corrosion resistance and wear resistance, and can be applied to the manufacturing of the valve element of ocean engineering; the preparation process is simple and easy to operate; and the horizontal continuous casting is adopted, so that cracks caused by thermal stress are avoided, and the hot extrusion cracking problem of the casting blank is solved.
Owner:JINTIAN COPPER GROUP CORP NINGBO

Antibacterial fabric and preparation method thereof

The invention discloses an antibacterial fabric and a preparation method thereof, and relates to the technical field of fabric preparation equipment. The fabric comprises the following raw materials of wool fibers, soybean protein fibers, bamboo charcoal fibers, chitin fibers, coconut carbon fibers, cotton fibers and modal fibers. An antibacterial finishing agent is composed of the following raw materials of nano silver, water-soluble chitosan, aloe powder, menthol, camphor, a traditional Chinese medicine extracting solution, ethyl p-hydroxybenzoate and dimethyl dioctadecyl ammonium bromide. The antibacterial finishing agent in the novel antibacterial fabric provided by the invention is scientific and reasonable in component proportion; through the synergistic interaction of the ethyl p-hydroxybenzoate, the menthol, the camphor and the traditional Chinese medicine extracting solution, the novel antibacterial fabric provided by the invention has the functions of comfort, antibiosis, itching relieving, moisture conduction, sweat release, heat preservation and the like; the antibacterial fabric is simple in structure, low in cost, wide in raw material source, very excellent in antibacterial effect and long in antibacterial time, and has a broad-spectrum antibacterial effect; and the preparation method is simple, convenient and easy to operate.
Owner:仇付莲

Traditional Chinese medicine compound preparation for treating diabetes as well as preparation method and application thereof

ActiveCN107213204AThorough and effective extractionEasy to useMetabolism disorderUrinary disorderMulti linkICAM-1
The invention relates to a traditional Chinese medicine compound preparation for treating diabetes as well as a preparation method and application thereof. The traditional Chinese medicine compound preparation is prepared from the following raw materials in parts by weight: 6-18 parts of astragalus, 6-18 parts of mulberries, 5-15 parts of folium mori and 5-15 parts of lotus leaves. The preparation method of the traditional Chinese medicine compound preparation comprises the following steps: decocting, filtering and concentrating so as to obtain a concentrated solution for later use; extracting and performing vacuum concentration so as to obtain a concentrated solution for later use; and preparing the decocted concentrated solution and the extracted concentrated solution as well as pharmaceutically acceptable carriers into oral liquid, granules, capsules, tablets and other dosage forms. Due to the multi-link and multi-target comprehensive effects, the traditional Chinese medicine compound preparation provided by the invention achieves the aims of lowering the blood sugar and blood fat and content of BUN and SCr, reducing expressions of NF-kB and ICAM-1 in renal tissues, improving the insulin sensitivity index and finally improving the diabetic renal functions in the aspect of treating diabetes.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

A polyurethane repair material for settlement repair of ballastless track structure of high-speed railway

The invention relates to a polyurethane patching material used for settlement repairing of a ballastless structure for a high-speed railway. The polyurethane patching material is formed by hybrid reaction of an A component material and a B component material by a high-pressure impact. The volume ratio of the A component and the B component is 1:1-1:1.8. The A component is a mixture formed by polyhydric alcohol modified diphenylmethane diisocyanate and multi-methylene multi-phenyl isocyanate. The viscosity of the A component ranges from 100 mPa.s to 200 mPa.s at the 25 DEG C temperature. The B component is a mixture formed by polyhydric alcohol, a coupling agent, a hydrolytic stabilizing agent, a cross-linking agent, a foam stabilizing agent, a catalyst agent and a foaming agent. The viscosity of the B component ranges from 150 mPa.s to 300 mPa.s at the 25 DEG C temperature. The B component is characterized in that at least a part of end amido polyolefin polyhydric alcohol with 8 functionalities is in the polyhydric alcohol, and the content of the end amido ranges from 60%-80%. According to the polyurethane repairing material, the chemical reaction speed is high, the expansibility is high, the mechanical strength is high, the binding power is high, the size stability is high, the anti-hydrolysising property is good, and the deformation of accumulated residues is low. The polyurethane repairing material can be used for the settlement repairing of the ballastless structure for the high-speed railway, and can also be used for the pavement structure repairing of an expressway and the settlement repairing of an industrial building terrace.
Owner:RAILWAY ENG RES INST CHINA ACADEMY OF RAILWAY SCI +2
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