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59results about How to "Meet material needs" patented technology

Method for preparing polyether based on three-component metal-free catalytic initiation system

InactiveCN109517158AMolecular structure can be adjustedNarrow dispersionSolventChain transfer
The invention discloses a method for preparing polyether based on a three-component metal-free catalytic initiation system. The method comprises the steps of adding an epoxy monomer into a three-component metal-free catalytic initiation system containing hydroxy compounds, organic alkali and boron alkyl to react to obtain the polyether. The method is a currently known ethylene oxide room-temperature open-ring polymerization method with highest catalytic activity since the usage of organic alkali can be reduced to 40ppm and the conversion frequency can be 6000h / l. The polyether has the advantages of no metal residue and no cytotoxicity. The three-component catalytic initiation system adopts ethylene oxide open-ring polymerization, the chain transfer reaction toward the monomer and solvent can be completely avoided while the conversion frequency of 2720h / l can be obtained, and the polyether has the molecular weight of 0.1-400kg / mol, which can be accurately controlled. Furthermore, by utilizing the catalytic initiation system, the (poly) block polyether with controllable molecular weight, block sequence, block proportion and side base combination can be conveniently prepared by continuously adding materials.
Owner:SOUTH CHINA UNIV OF TECH

Grain egg milk pudding and preparation method thereof

InactiveCN106954796AInhibition of grain retrogradationKeep the tasteFood scienceMarket needsDietary fiber
The invention relates to a grain egg milk pudding which is prepared from the following raw materials in parts by weight: 30-85 parts of milk, 1-25 parts of grains, 0.01-2 parts of whole egg powder, 0.1-3 parts of oatmeal, 0.5-5 parts of modified starch, 0.1-2 parts of stabilizer, 0.01-5 parts of prebiotics, 0.01-5 parts of dietary fiber and 0-8 parts of white granulated sugar. The invention also provides a method of preparing the grain egg milk pudding, wherein the method comprises the following steps: pre-cooking the grain into cooked grain; uniformly mixing the rest raw materials to obtain a base material; and uniformly mixing the cooked grain with the base material to obtain the grain egg milk pudding. In the invention, the product is of rational nutrition arrangement and unique mouthfeel and meets existing market needs.
Owner:BEIJING SANYUAN FOOD

Low-temperature low-yield steel and manufacturing method thereof

The invention relates to a low-temperature low-yield steel and a manufacturing method thereof, wherein the steel is prepared by the following chemical components according to the weight percentage: 0.01-0.04% C, 0.14-0.3% Si, 0.3-0.5% Mn, no more than 0.013% P, no more than 0.005% S, and 0.01-0.035% Nb, and the steel is designed by adopting ultra-low carbon and micro niobium alloy to ensure its low-temperature impact toughness under a low-yield condition. The manufacturing method of the hot-rolling low-temperature low-yield steel is characterized by adopting ultra-low carbon and niobium alloy, and combining a reasonable controlled rolling and cooling process to manufacture the low-temperature low-yield anti-seismic steel, wherein the hot rolling mechanical property can reach requirements, the yield strength is less than 225MPa, the elongation reaches 40%, and the impact energy is no less than 250 J at -40 degrees centigrade. The method can successfully solve the technical difficulty that the low-temperature low-yield steel is easy to mix crystals, narrow in rolling temperature windows and low roll force.
Owner:NANJING IRON & STEEL CO LTD

Special material for high-toughness and high-water pressure resistance polypropylene randon copolymer (PPR) pipe material and preparation process thereof

The invention relates to a special material for a high-toughness and high-water pressure resistance polypropylene randon copolymer (PPR) pipe material and a preparation process of the special material. The special material is prepared from the following raw materials in percentage by mass: 85-90% of PPR, 10-15% of PPB-240, 0.1-0.3% of a beta-nucleating agent, 0.1-0.3% of an antioxidant and 0.3-0.5% of a lubricant. The preparation process mainly comprises the steps of weighing proper amounts of PPR, PPB, a beta-nucleating agent, an antioxidant and a lubricant according to the prescription, and mixing the materials in a low-speed mixer according to an order from higher proportion to lower proportion; setting a corresponding thread combination; setting heating temperature of various sections of charging barrels of a dual-screw extruder; adding mixed raw and auxiliary materials to a storage hopper of the dual-screw extruder set; starting a lubricating oil pump, a cooling fan, a grain cutting machine, cooling water, a main motor and a feeding motor, and regulating rotating speeds of the main motor and the feeding motor; drawing the extruded materials to the grain cutting machine through a cooling water bath and a blow drying machine, regulating rotating speed of the grain cutting machine, so that the cut materials are 3 in granularity and 3mm long; and detecting various physical indicators of the produced materials in real time.
Owner:MIANYANG PENGYANG POLYMER MATERIAL

Preparation method of mosquito-repellent jasmine tea baby pillow

InactiveCN107456021ADimensions neat and beautifulEasy to preparePillowsNervous disorderWoven fabricPorous starch
A method for preparing a mosquito-proof jasmine tea baby pillow, the process steps are as follows: (1) tea base treatment; (2) jasmine flower picking; (3) jasmine flower maintenance; (4) scenting; (5) adding Drying of raw materials; (6) crushing and screening; (7) preparation of coating agent from corn porous starch; (8) coating; (9) selection of pure cotton fabrics to prepare jasmine tea baby pillow jacket; (10) selection of white non-woven (11) Put the coated jasmine tea into a non-woven bag to become the jasmine tea baby pillow liner; (12) Put the jasmine tea baby pillow liner into the jasmine tea baby pillow coat , that is, the anti-mosquito jasmine tea baby pillow. The anti-mosquito jasmine tea baby pillow of the present invention has a unique fragrance that makes people feel comfortable, and also has the effects of anti-mosquito and mosquito repellent, calming the nerves and helping sleep, clearing away heat and detoxification, reducing phlegm and relieving cough, and preventing cold and fever. long lasting.
Owner:广西巧恩茶业有限公司

Fully-constrained weak-sparse metal powder explosive compaction and powder plate explosion cladding method

The invention discloses a fully-constrained weak-sparse metal powder explosive compaction and powder plate explosion cladding method. The method comprises the following steps: (1) processing a metal plate: forming openings in the side surface of the metal plate, and cleaning the inner walls of the openings, wherein the shapes and sizes of the openings can be designed and adjusted according to therequirements; (2) filling metal powder: sealing one opened side of the metal plate, pouring the metal powder into the openings step by step, compacting the metal powder to the greatest extent, after all the openings are compactly filled, sealing the other side, wherein the filling density is relevant with the materials of the metal powder; and (3) putting the metal plate filled with the metal powder on a cushion plate, putting an explosive on the metal plate, firing the explosive through a detonator so as to drive the upper part of the metal plate to downwards compact the metal powder to enable the metal powder to be closely combined with the metal plate, so as to finish the cladding between the metal powder and the plate. Compared with traditional explosion cladding techniques, the methodhas the advantages that by fully constraining the metal powder, sparse waves are weakened, and the compaction of the metal powder and the cladding of the powder plate material can both be realized.
Owner:UNIV OF SCI & TECH OF CHINA

Biological processing method of grains

The invention relates to a biological processing method of grains. The method provided by the invention comprises the following steps: with the grains as a raw material, sequentially carrying out enzymolysis with amylase and protease, and then carrying out inoculating fermentation with a yeast, so as to obtain a fermentation liquor and a solid matter; centrifuging the solid matter to obtain yeast paste and grain fibers; and respectively processing the fermentation liquor, the yeast paste and the grain fibers into fermentation wine, biological soy sauce and cooking wine. According to the method provided by the invention, the fermentation wine, the biological soy sauce and the cooking wine can be simultaneously prepared by feeding once, so that the method has relatively high economic benefits and social benefits, and has the profound practical significance and social values in improvement of efficient comprehensive utilization of resources, emission of relatively few wastes and environment protection; simultaneously the method can be used for achieving industrialization production by combining an existing beer brewing process and can be as an example for transformation of a development mode of a company.
Owner:滕传文

Production method of aluminum alloy base material for 5052 alloy door plate

The invention discloses a production method of an aluminum alloy base material for a 5052 alloy door plate, and relates to the technical field of aluminum alloy production. The method comprises the following steps that an aluminum alloy finished product is prepared from the following raw materials, by mass, less than 0.10% of Si, less than 0.35 of Fe, less than 0.10% of Cu, less than 0.10% of Mn,2.30-2.60% of Mg, 0.15-0.35% of Cr, 0.01-0.05% of La+Ce, less than 0.10% of Zn, the total content of impurities is below 0.15%, and the balance is Al; the aluminum alloy finished product is subject toannealing treatment, under the protection of inert gas, the temperature is controlled to be 300-320 DEG C in a box-type furnace, and the aluminum alloy finished product keeps warm for 2-4 hours and then cooled with the furnace at the speed of 20-40 DEG C per hour; and the aluminum alloy finished product is subject to stretching bending straightening treatment. According to the production method,the problem that an existing door-used aluminum alloy base material is prone to wrinkling after stamping is solved.
Owner:GUANGXI LIUZHOU YINHAI ALUMINUM IND

Method for manufacturing jasmine tea old people health care pillow

InactiveCN107692718ADimensions neat and beautifulEasy to preparePillowsNervous disorderOlder peopleBlood circulation
A method for manufacturing a jasmine tea old people health care pillow includes the following steps: (1) processing tea bases; (2) picking up jasmine fresh flower; (3) nursing jasmine fresh flowers; (4) performing scenting; (5) baking flower tea; (6) adding traditional Chinese medicine and manufacturing particles; (7) preparing a jasmine flower particle coating material; (8) coating jasmine flowerparticles; (9) selecting a pure cotton fabric to produce a casing of the old people health care pillow; (10) producing a non-woven bag; (11) putting the coated jasmine flower particles in the non-woven bag to form a liner; and (12) putting the liner of the jasmine tea old people health care pillow in the casing of the jasmine tea old people health care pillow to acquire the jasmine tea old peoplehealth care pillow. The jasmine tea old people health care pillow has unique fragrance, makes people comfortable, can promote blood circulation to arrest pain, can expel wind and remove cold, can slowly release fragrance, and is long in service life.
Owner:广西巧恩茶业有限公司
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