334results about How to "Unique craft" patented technology

The invention relates to a method for preparing aqueous polyurethane. It comprises following steps: employing polyisocyanates bridging agent, proceeding copolymerization with excess aqueous polyether, liquid ploydimethyl oxosilane ternary block and getting ployoxosilane-polyether polymer, introducing polyurethane and organic silicon when generating carbamate with carbamate to main chain, adding chain propagation agent for chain propagation reaction and getting preploymer containing hydrophilic group; adding mixture of polyhydroxy compound and dissolvent into reaction system for second chain propagation reaction; neutralizing by adding neutralization agent, adding water for emulsification, adding polyamine for chain propagation; distilling to remove dissolvent after reaction and getting aqueous polyurethane modified with aqueous polyurethane-polyether polymer. The product possesses characteristics of polyurethane and polysiloxane, the storage stability, mechanics property and comprehensive performance is increased and it mainly is used as pigmentum and aqueous industrial coating material.

The invention discloses a high performance aerated concrete and a method for preparing the same. The product comprises fly ash and/or quartz tailing powder, lime, cement, desulfurization gypsum and aluminum powder pastes. The preparation method comprises steps of mixing and stirring, moulding and curing. The technology of the invention is unique and easy to operate. The fly ash and quartz tailing are made full use of, which changes waste into valuables. The prepared aerated concrete has advantages of good property, low shrinkage of 0.6-07, high intension and reduces the formation of the wall crack.

The present invention is the technological process of preparing soybean protein peptide with soybean as material. The technological process includes dissolving soybean protein, the first enzymolysis, centrifugal separation to obtain supernatant and precipitate; separating and enzymolyzing the supernatant and the precipitate, with soybean glycopeptide being obtained via enzymolyzing the supernatant; centrifugally separating the precipitate enzymolyzing product to obtain supernatant and precipitate for the second time; separately drying the the supernatant and the precipitate to obtain amino acid balanced peptide and soybean polypeptide separately. The technological process is unique and low in cost, and the products have nourishing and auxiliary treatment effects and no toxic side effect and may be used widely in medicine and health food.

The invention discloses a flexible lithium ion battery. The flexible lithium ion battery is composed of a case packaging and an electrical core packaged in the case packaging; the electrical core comprises a cathode and an anode, an upper extraction electrode arranged on the cathode, and a lower extraction electrode arranged on the anode; the electrical core also comprises a polymer electrolyte fire-retardant composite layer arranged at the middle part of the electrical core; the polymer electrolyte fire-retardant composite layer is a composite thin film composed of a polymer electrolyte layer arranged in the middle, and solid fire retardant layers arranged on the upper surface and the lower surface respectively. The invention also discloses a preparation method of the flexible lithium ion battery. The solid fire retardant-containing flexible lithium ion battery is high in efficiency, long in cycle life, and large in energy density, and is capable of satisfying electric energy demands of flexible electronic devices. The solid fire retardant is capable of improving safety performance of the flexible lithium ion battery effectively. The preparation method is unique, is convenient for processing and batch production, and is high in practical value.

The invention discloses a method for preventing drilling collapse of a downhole coal bed and belongs to a method for preventing drilling collapse. During constructing a gas extraction hole of the coal bed, a drill bit retreats a certain distance after arriving a finished hole position, porous materials in a porous material conveying device are conveyed to a reserved filling section of the front end of the drill bit through an inner hole of a drill rod by the aid of the compressed air. Then the porous materials are conveyed once when the drill bit retreats a certain distance each time until the drill bit retreats to a preset sealed hole position. Porous materials reserved in holes can support hole walls to prevent collapse, and meanwhile, gaps between the holes and the porous materials provide good passages for gas suction and flowing, gas of the coal bed can be guaranteed to leak from the drilled holes to some extent even if the drilled holes collapse. The method for preventing drilling collapse of the downhole coal bed has the advantages that system and process are unique, drilling gas extraction is high in flow and concentration, the method has widely practicality and is particularly applicable to drilling of the coal bed with firmness coefficient f smaller than 0.5.

The invention discloses a method for preparing functionalized graphene by a synchronous ultrasonic chemical and mechanical chemical method. The method comprises the steps of adding a graphite raw material and a functionalized reagent into ultrasonic ball milling equipment, and carrying out ultrasonic ball milling for 1-72h at a rotating speed of 100-500rpm under an ultrasonic environment to obtainfunctionalized graphene containing functional groups. According to the method, graphite is stripped by synchronous ultrasonic ball milling to obtain graphene, and by virtue of ultrasonic chemical andmechano-chemical actions, the functionalized reagent and the graphene rapidly react chemically, and functionalized modification of the graphene is realized at the same time, so that the stripping efficiency and dispersion stability of the graphene are effectively improved, the structure and the performance of the graphene material are regulated and controlled, and the application field of the graphene material is expanded.

The invention discloses a new method of chloroethylene through acetylene method and specific equipment, which comprises the following steps: disposing raw material gas strictly; reacting two-segment compensation; recycling heptane; cooling; radiating; providing specific catalyst and reactor to synthesize chloroethylene; disposing effluent with mercury to obtain high-purity chloroethylene monomer.

A Chinese medicine in the form of tablet, capsule, powder, particles, oral liquid, or injection for treating gynopathy is prepared from 10 Chinese-medicinal materials including ginseng, cnidium fruit, astragalus root, mother wort, etc through unique process. Its advantages are quickly taking its effect, high cure rate and short course of treatment.

The invention discloses a method of producing graphene by stripping graphite via time-space-synchronous ultrasonic treatment and a ball-milling process. The method includes the steps of: adding a graphite raw material and a stripping reagent into an ultrasonic ball milling device and performing ball milling for 2-96 h under an ultrasonic environment; and separating, washing and drying the mixtureto obtain graphene powder. Through the time-space-synchronous ultrasonic treatment and the ball-milling process, the graphite is stripped; due to the synergistic effect of the two methods, interlayerin-situ expansion of the graphite is formed and meanwhile a strong shear force is applied to the graphite during ball milling. The method is high in efficiency and yield and is suitable for large-scale production of graphene.

The invention discloses a manufacturing method of a high-precision pressure sensor based on silicon-silicon bonding. The high-precision pressure sensor comprises a sensitive silicon wafer layer and a substrate silicon wafer layer and is characterized in that the substrate silicon wafer layer is connected to the back of the sensitive silicon wafer layer, and the sensitive silicon wafer layer and the substrate silicon wafer layer use silicon-silicon bonding process to form a pressure sealing cavity; the substrate silicon wafer layer and the sensitive silicon wafer layer are made of homogenous monocrystalline silicon materials, and the substrate silicon wafer layer is provided with a pressure guide through hole in the center. The manufacturing method has the advantages that the substrate silicon wafer layer and the sensitive silicon wafer layer are made by using the monocrystalline silicon materials as the substrates, the substrate silicon wafer layer and the sensitive silicon wafer layer are connected in an airtight manner through the silicon-silicon bonding process, the pressure sealing cavity of a silicon-silicon homogenous material structure is formed, various influences, caused by the pressure sealing cavity of the silicon-glass heterogeneous material structure of a conventional pressure sensor, on the performance of the sensor due to the feature difference of two different materials are avoided, static pressure errors are reduced effectively, temperature excursion of the sensor is lowered, and the comprehensive precision of the sensor is increased.

The invention relates to a method for casting a machine tool casting, in particular to a method for casting an overlong large machine tool casting. The invention is characterized in that the method comprises the steps as follows: preparing a pit, manufacturing a casting model, molding, making a core, pressing a box, pouring, shaking out sand normally and blasting ball. The invention provides the method for casting the overlong large machine tool casting. The technical method is unique, combines EPS with a wood pattern main frame mold and uses a casting technology of molding in the pit, and the invention can reduce the expense for producing tool equipment and solve the casting difficulty that the overlong large casting has the size problems such as being deformed easily during the production.

The invention relates to a method for preparing indium vanadate nano particles, The method comprises the steps of: dissolving indium nitrate, ammonium metavanadate and hexadecyl trimethyl ammonium bromide in water, mixing according to the mol ratio of indium to vanadium of 1: (1 to 2), then adding the hexadecyl trimethyl ammonium bromide according to a mol ratio of indium to vanadium to hexadecyl trimethyl ammonium bromide of 1: (1 to 2): (0.02 to 0.05), stirring for 10 to 12h, regulating a pH value to 8 by utilizing potassium hydroxide, and filtering, washing and drying generated precipitate to obtain solid powder; and mixing the solid powder with 10mol/L of potassium hydroxide solution according to a mass ratio of 1: (25 to 50), then putting into a reactor to have hydro-thermal treatment for 8 to 24h at the temperature of 150 to 180 DEG C to obtain an indium vanadate precursor, and drying the indium vanadate precursor and then placing into a muffle furnace to be baked for 1 to 2h at the temperature of 450 to 550 DEG C and then naturally cooling to obtain the indium vanadate nano particles. The method has the advantages of simpleness in operation, relatively low synthesized temperature, controllable appearance shape and high photocatalytic activity of the indium vanadate nano particles; and the application field of an indium vanadate nano material can be further widened.

The invention discloses a salting method for sesame paste flavored salted duck eggs. The salting method comprises the following steps of: cleaning duck eggs and drying the cleaned duck eggs; uniformly mixing sesame paste or fresh sesame oil residues with salt in the ratio of 3:1 in a mixer, and pouring the mixed ingredients into a container; evenly coating the mixed ingredients on the duck eggs; putting the duck eggs into a sealed container; and storing the container at a shady, cool and ventilate place without light for 30-40 days at 15-20 DEG C. The sesame paste flavored salted duck eggs produced by the method have soft and oily yolks and pale yellow egg whites, have the flavor of sesame paste, can be eaten after being washed and cooked for 10min, and are preferably cooked by a pressure cooker. The sesame paste flavored salted duck eggs can be stored for six months at a shady, cool and dry place, have delicate and pale yellow in egg whites, soft and bright yolks and the flavor of sesame paste, and are special in technology, thick in mouth feel, rich in nutrition, green, pollution-free and convenient to eat.

The invention relates to a method for synthesizing high molecular retanning dyeing auxiliary agents through enzyme catalysis, which comprises the following steps: dissolving p-aminobenzene sulfonic acid and 2, 3-dihydroxy naphthalene-6-sodium sulfonate into de-ionized water, using a sodium bicarbonate solution for regulating the pH value of the system, and finally, obtaining the retanning dyeing auxiliary agents through co-polymerization reaction carried out under the horse radish peroxidase (HRP) catalysis. The invention uses HRP as catalysts of the polymerization reaction, and the HRP has the advantages of high efficiency, high selectivity and environment protection when being used for catalyzing the polymerization. The invention has the advantages that phenols or arylamines can carry out polymerization in ortho positions or para positions of hydroxide groups and amino groups for forming a polymer with directly connected C-C structures and large pi conjugated systems, the formaldehyde pollution in the traditional synthesized retanning agents is avoided, and at the same time, the products with the conjugated systems contain a large number of auxochromic groups such as -NH2, -OH and -SO3H and the like. Retanning leather is full and soft, and the dye absorption rate is higher than 99 percent, and in addition, the retanning dyeing auxiliary agents have obvious dyeing aid effect.

The invention relates to a needle bush fiber yarn and a preparation method for the same and application. The paper yarn is mainly made of main material and auxiliary material according to weighty by parts. The main material comprises 100 parts of needle bush slurry; the auxiliary material is formed by 0.04 to 0.06 parts of softener, 0.06 to 0.08 parts of water-repellent agent and microscale of dyeing agent. The paper yarn preparation step is formed by first, preparing slurry, in which needle bush is pulped with water, second, adding auxiliary material and evenly stirring, third, making paper, in which making paper slurry into thin weaving paper with weight of 11 to 22g, fourth, slitting the paper into paper strips with 2 to 4mm width, and fifth spinning, in which twisting the elongated paper strip into 21 to 32 paper yarns. The paper yarn can be applied to paper-made socks, underwears, knitting shirts, paper towel, paper shoes and paper caps and great ventilation and water absorption can be achieved; sweat can be absorbed and bacteria can be resisted and odor can be eliminated; and the needle bush fiber paper yarn can be recovered, thereby causing no pollution to the environment.

The invention provides a multilayer composite structure flexible decorative finish product formula and a production method. A product comprises a high weather-proof finishing coat layer, a color effect display layer, a primary color flame-retardant antibacterial mold-proof slurry layer and an anti-cracking toughening layer. The four composite layers undergo vibration fusion to form a thin flexible product. The production method comprises the steps of spraying the transparent finishing coat layer on a special die, performing face color effect coating, injecting a base layer, forming a face color and primary color vibration fusion structure, causing a fiber gridding cloth for product anti-cracking enhancement to be spread and adhere to the back of the product; and performing drying forming and aftertreatment. The production method is scientific in component matching and rational in process and is repeated verified through practice, a process is unique, the operability is high, and a produced finish material integrates functionality, economy, decoration, flexibility, flame retardancy and environmental protection property.

The invention provides a method for producing a flexible finish material. The method includes the steps that one or more kinds of face color slurry and one kind of base color slurry are prepared and injected into a mold to form a decoration-layer and base-color-layer vibration mixing structure; meanwhile, in the process, different-color transition is achieved in the modes of spraying, mark brushing, scattering, kneading, mark pressing and the like through tools such as towels, brushes, scraper blades, rollers, spraying guns and catapulting coating guns, and the multi-style naturally-fused stone imitating effect is achieved; fiber gridding cloth is additionally arranged to be used for achieving the crack resisting function; drying forming and postprocessing are carried out. The production method in which the component proportion is scientific, the technology is reasonable and verification is repeatedly carried out through practice is unique in technology, low in cost and high in operability, and multiple flexible sheet products such as natural stone, art stone and archaized bricks can be produced.

The invention discloses a synthesis method of high-concentration polyepoxysuccinic acid and salt thereof. The method comprises the following main processes: simultaneously adding maleic anhydride and sodium hydrate into water in a mode of feeding in batches; controlling the pH value of solution at 5-7 and the reaction temperature at 40-60 DEG C; adding sodium tngstate into a hydrolysis product as expoxidation catalyst at 50-60 DEG C; carrying out expoxidation reaction by adding hydrogen peroxide; adding sodium hydrate solution at the same time; controlling the pH value at 4-7; finishing the expoxidation reaction; stirring; raising the temperature to above 80 DEG C; adding initiator calcium oxide; and after polymerization, lowering the temperature and filtering to obtain the polyepoxysuccinic acid and salt solution thereof. In the preparation method, a one-pot synthesis is adopted, and therefore, the preparation method has the advantages of simple and unique technology, high product concentration, high raw material conversion rate, ideal molecular weight distribution and favorable industrial operability.