35results about How to "Optimize raw material content" patented technology

The invention discloses a graphene-reinforced antistatic antibacterial composite fiber. The fiber comprises an inner layer and an outer layer; the outer layer wraps the periphery of the inner layer, and the cross section outline of the outer layer is in a round shape; the ratio of areas of the cross sections of the inner layer and the outer layer is 1:(0.4-0.7); the inner layer is prepared from, by weight, 80-90 parts of m-benzoylhexanediamine-p-benzoylhexanediamine copolyamide and 10-25 parts of polydecamethylene sebacamide; the outer layer is prepared from, by weight, 85-95 parts of polydecamethylene sebacamide, 15-20 parts of m-benzoylhexanediamine-p-benzoylhexanediamine copolyamide, 6-9 parts of edge graphene oxide and 3-5 parts of a dispersing agent. The graphene-reinforced antistaticantibacterial composite fiber has the good mechanical strength, and keeps good dimensional stability and good antistatic and antibacterial properties, and the fiber is soft and low in water absorption and has the good appearance.

The invention discloses a method for preparing a calcium-zinc stabilizer for shoe materials. The method comprises the following steps: S1. separately weighing 1-10 parts of zinc stearate, 10-25 partsof calcium stearate, 0.1-2 parts of zinc acetylacetone, 0.5-3 parts of calcium acetylacetonate, 20-50 parts of brucite, 5-15 parts of epoxidized soybean oil, 2-16 parts of lubricant, 5-20 parts of other metal soap, 5-25 parts of organic auxiliary heat stabilizer, 1-10 parts of unsaturated acid ester, 0.1-2 parts of antioxidant and 1-5 parts of dispersant; and S2. firstly, uniformly mixing variouspowder materials, then, adding a liquid ingredient, i.e., the epoxidized soybean oil, the lubricant and the dispersant, and continuing to carry out stirring until the material is of a wet powder or paste mixture, thereby obtaining the calcium-zinc stabilizer for the shoe materials. The calcium-zinc stabilizer for the shoe materials, prepared by the method, is free of organic lead salts and the like, thereby being environmentally friendly and safe; flying of dust can be effectively lowered; the whiteness and yellowing resistance of the shoe materials can be better guaranteed; the calcium-zinc stabilizer is difficult to separate out; and the color fastness and the like of the shoe materials can be improved.

The invention discloses a skin-friendly low-permeability ES composite short fiber for a hot-air non-woven fabric surface layer. The ES composite short fiber has a skin-core structure and consists of acore layer and a skin layer, wherein the core layer comprises the following raw materials in parts by weight: 85-90 parts of polypropylene, 5-9 parts of ethylene propylene copolymer, 14-18 parts of acrylic acid-acrylamide super absorbent resin and 6-11 parts of inulin; and the skin layer comprises the following raw materials in parts by weight: 80-85 parts of polyethylene, 10-15 parts of methyl methacrylate grafted modified polyethylene, 8-12 parts of ethylene propylene copolymer, 4-7 parts of polyvinyl alcohol, 7-15 parts of superfine pearl powder and 12-17 parts of sodium polyacrylate superabsorbent resin. The skin-friendly low-permeability ES composite short fiber for the hot air non-woven fabric surface layer has the advantages of skin-friendly property, moisture absorption, breathability, elasticity, no irritation to skin, sanitation, antibiosis and the like; and the amount of reverse osmosis after water absorption is small, and the skin-friendly low-permeability ES composite short fiber belongs to the low reverse osmosis type.

The invention discloses a formula for low-temperature-resistant high-elasticity polyurethane used for sealing. The formula comprises the following raw materials by weight: 10-25 parts of p-phenylene diisocyanate, 20-40 parts of polytetrahydrofuran, 20-40 parts of polycaprolactone polyol, 4-8 parts of hydroquinone bis(2-hydroxyethyl)ether, 10-20 parts of 1,4-butanediol, 1-3 parts of an antioxidantand 2-4 parts of a filler, wherein the relative molecular mass of the polytetrahydrofuran is 1400-2000, and the relative molecular mass of the polycaprolactone polyol is 1800-2200. Theow-temperature-resistant high-elasticity polyurethane used for sealing prepared by the invention has good low-temperature resistance and high elasticity, is expanded in the range of use temperature and not liable tothermal ageing, and can be injection-molded.

The invention discloses a preparation method of a multilayer piezoelectric ceramic used in a 482 DEG C high-temperature environment. The preparation method mainly comprises the following steps: uniformly stirring high-temperature ceramic powder, a solvent, a dispersing agent, a binder and a thickening agent by using a stirrer to prepare tape casting slurry; forming a film with a certain thickness through a casting machine, printing an inner electrode, and printing an outer electrode after isostatic pressing lamination; and discharging glue at a low heating rate and sintering the ceramic at a low temperature. The piezoelectric property tends to be stable through ceramic polarization and high-temperature aging. The multilayer piezoelectric ceramic prepared by the preparation method of the multilayer piezoelectric ceramic used in the high-temperature environment of 482 DEG C can meet the use requirements of the high-temperature environment, is good in piezoelectric property, can be completely used in the high-temperature environment of 482 DEG C, and is stable in piezoelectric property after long-time heat preservation at the high temperature of 482 DEG C; and the performance is stable after aging at a high temperature of 550 DEG C, and the use requirement in a high-temperature environment is met.

The invention discloses a medicine package formula for a moxibustion plaster. The medicine package is prepared from, by weight, 92-108 parts of an artemisia argyi extract, 0.8-1.2 parts of a dried ginger extract, 22-28 parts of tourmaline heating powder, 35-45 parts of activated carbon, 20-30 parts of vermiculite and 8-13 parts of water absorbing resin. Through screening and comparison, systematicand complete research is carried out according to the national drug management requirements, the compositions of the raw materials are carefully selected, the contents of all the raw materials are optimized, the artemisia argyi extract, the dried ginger extract, the tourmaline heating powder, the activated carbon, the vermiculite and the water absorbing resin in appropriate ratio are selected, the medicine package formula for the moxibustion plaster is obtained, and the medicine package for the moxibustion plaster is prepared; after the corresponding part is subjected to hot compress by adopting the medicine package for the moxibustion plaster, the pain of the parts such as the stomach, the neck, the shoulders, the waist, the legs, the back and the joints of the four limbs can be effectively relieved, the body is not hurt, and no toxic or side effects are caused.

The invention discloses negative ion antibacterial ES composite fiber and a preparation method thereof. The negative ion antibacterial ES composite fiber has a skin-core structure, that is, the negative ion antibacterial ES composite fiber is composed of a core layer and a skin layer, wherein the core layer comprises the following raw materials in parts by weight of 80-90 parts of polypropylene, 8-11 parts of polyethylene and 12-16 parts of maleic anhydride grafted polypropylene; and the skin layer is prepared from the following raw materials in parts by weight of 70 to 80 parts of polyethylene, 7 to 10 parts of an ethylene-propylene copolymer, 6 to 8 parts of dibutyl maleate grafted polypropylene, 15 to 20 parts of an ethylene-vinyl acetate copolymer, 5 to 6.5 parts of crystal tourmaline powder, 2 to 2.6 parts of opal powder and 1.5 to 2.0 parts of hedera helix powder. The negative ion antibacterial ES composite fiber disclosed by the invention has good antibacterial and bacteriostatic effects on escherichia coli, candida albicans, staphylococcus aureus and the like, has broad-spectrum antibacterial and bacteriostatic effects, and does not contain small-molecular antibacterial agents and heavy metal ions such as silver ions; and the breaking strength is high, the mechanical property is excellent, the durability is good, and the flexibility is good.

The invention discloses a degradable disposable plastic film. The plastic film comprises a bottom layer and a top layer; the bottom layer is prepared from, by weight, 45-55 parts of polyethylene terephthalate, 25-32 parts of polyethylene, 15-20 parts of maleic anhydride grafted polyethylene, 5-9 parts of lignocellulose, 6-9 parts of hemp fibers, 3.4-4.5 parts of a plasticizer and 16-22 parts of afiller; and the top layer is prepared from, by weight, 22-25 parts of polyethylene terephthalate, 50-55 parts of polyethylene, 14-17 parts of the maleic anhydride grafted polyethylene, 10-15 parts offluorinated plant fibers, 8-12 parts of starch, 5-7 parts of nanometer titanium dioxide, 3.5-4.8 parts of the plasticizer and 12-16 parts of the filler. The degradable disposable plastic film of the invention has the advantages of high degradation rate, high tensile strength, large elongation at break, and good mechanical properties, is not prone tobe damaged during use, and has good user experiences.

The invention discloses a multi-layer co-extrusion heat-sealing type polypropylene film. The multi-layer co-extrusion heat-sealing type polypropylene film is prepared by directly co-extruding of a three-layer structure including a surface layer, a core layer and an inner layer. The surface layer is prepared from the following raw materials comprising, by weight, 70-80 parts of an ethylene-propylene-butylene terpolymer, 12-15 parts of an ethylene-butylene copolymer, 5-7 parts of oxidized polyethlene wax, 13-17 parts of modified mesoporous silica and 3-4.5 parts of polytetrafluoroethylene modified polyethylene wax powder. The core layer is prepared from the following raw materials comprising, by weight, 75-85 parts of polypropylene, 12-16 parts of colorless transparent epoxy resin, 7-9 parts of a polymer of 2, 5-furandione, ethylene and 1-propylene, 4-6 parts of oxidized polypropylene wax and 3-4 parts of nano silicon dioxide. The multi-layer co-extrusion heat-sealing type polypropylene film has the advantages that the normal-temperature static/dynamic friction factor is small, and the high-temperature change is very small; the thermal shrinkage rate is low, and the stiffness is high; the wear resistance is excellent; the barrier property is excellent; and the comprehensive performance is good.

The invention discloses a moxa cone for relieving eye fatigue, which is produced by the following raw materials in parts by weight: 8 to 12 parts of Chinese angelica, 10 to 14 parts of mulberry leaves, 9 to 11 parts of green tangerine peel, 15 to 17 parts of cassia seed, 7 to 10 parts of wild chrysanthemum and 290 to 310 parts of an Artemisia argyi extract. After screening and comparison, a systematic and complete research is carried out in accordance with national drug management requirements, the raw materials selected, and the content of each raw material is optimized, the Chinese angelica,mulberry leaf, green tangerine peel, cassia seed, wild chrysanthemum and the Artemisia argyi extract with the appropriate ratio are selected to prepare the moxa cone for relieving eye fatigue, through moxibustion therapy, the moxa cone has obvious effects on relieving eye fatigue and preventing myopia, and does not hurt the eyes, and has no toxic and side effects.

The invention discloses an acidic copper plating additive. The additive is prepared from, by weight, a main complex, an auxiliary complex, a surfactant and other additives, wherein the main complex isbis-(sodium sulfopropyl)-disulfide, the auxiliary complex is 2-mercaptobenzimidazol copper salt, the surfactant is a mixture of pesticide emulsifier 603 and 2-mercaptobenzimidazole, the molar ratio of pesticide emulsifier 603 to 2-mercaptobenzimidazole is 1:(0.35-0.45), and other additives are tolyltriazole. The acidic copper plating additive can greatly improve the coating adhesion of a copper-plated product, the corrosion resistance is remarkably improved, the glossiness is improved, and the surface is flat and bright.

The invention discloses a universal electroplating additive. The universal electroplating additive is prepared from the following raw materials in parts by weight: sodium tartrate, sodium citrate, benzylidene acetone, 2-mercapto benzimidazole, 2-ethylhexyl sodium sulfate and allylthiourea. The universal electroplating additive disclosed by the invention can be suitable for various electroplating processes such as copper plating, zinc plating and copper-zinc alloy plating, and the flatness and glossiness of a surface plating layer of an electroplated product are greatly improved; and the corrosion resistance can be remarkably improved, the hardness of the plating layer is improved, and the current efficiency, the dispersion capacity and other properties of a plating solution are well improved.

The invention discloses a formula of a foot soaking herb bag. The formula comprises, by weight, 95-100 parts of folium artemisiae argyi, 0.8-1.2 parts of radix bupleuri, 1.8-2.2 parts of scutellaria baicalensis, 0.9-1.2 parts of pinellia ternata, 0.8-1.1 parts of codonopsis pilosula, 1.3-1.6 parts of poria cocos, 3-4 parts of calcined keel, 2.8-3.4 parts of calcined oyster, 2.5-3.2 parts of nacremother of pearl, 3.5-4.3 parts of cassia twig, 2-2.5 parts of radix curcumae, 2.5-3 parts of polygala root, 3.6-4.4 parts of rhizoma cyperi, 1.2-1.6 parts of radix rehmanniae and 8-13 parts of clove.By adopting the formula of the foot soaking her bag, the prepared foot soaking herb bag can improve sleep, has the effects of warming uterus, expelling wind coldness, preventing cold, promoting bloodcirculation, nourishing blood, expelling toxin, beautifying skin and the like, does not hurt the body and has no toxic or side effect.