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88results about How to "Viscoelastic" patented technology

Preparation method of deep sea cable filling strip

A preparation method of a deep sea cable filling strip relates to a preparation method of a conductor filling strip. The preparation method comprises the following process steps: mixing rubber, a vulcanizing agent, a vulcanization accelerator, an antiager, a plasticizer, a reinforcing filler and a tackifier in parts by weight; and then calendering, slitting and packaging to obtain the finished product. The method has a simple production technology, stable technical properties and high practicability; the product is used in the cable and the cable core of the optical cable, the product has high strength, uniform thickness and a good saturated water absorption effect and has the functions of shielding and buffering the electric field; and the product also has viscoelasticity, thus the filling cable core is stronger and the service life of the optical cable can be prolonged.
Owner:沈阳天荣电缆材料有限公司

Preparation method for convenient rice noodle

The invention provides a preparation method of rice noodles, which belongs to the technical field of instant food. The preparation method solves the problems that the preparation methods of the prior rice noodles need to be added with additive, soaked in boiling water or are easy to be conglobated when being cooked, etc. The preparation method of the instant rice noodles comprises the following steps: rice soaking and flour milling; long rice is selected to be soaked in water; the long rice is ground into rice flour after being soaked; powdering and thread extrusion; aging and thread rolling; the flour thread is put into a closed cavity to age; after aging, the glutinous thread is loosened by thread rolling; redistilling: the flour thread after being rolled is put into a steam box, and steam is fed in; washing, shaping and drying; the rolled thread is washed by water, so that the flour thread is fully loosened, put into a mould box to be shaped, dried, and the instant rice noodles are obtained. The rice noodles prepared by the preparation method of the instant rich noodles have the advantages of good taste, no paste, good toughness, sufficient biting performance, etc.
Owner:姚万胜

Low-fat health-care chicken meat balls prepared from complex hydrophilic gel and chicken skin instead of fat and method thereof

The invention provides a method for preparing low-fat health-care chicken meat balls prepared from combinational hydrophilic gel and chicken skin instead of fats, which belongs to the technical field of poultry deep processing. The method takes chicken meat and mixed fat as main raw materials, and MTGase, the complex hydrophilic gel, compound phosphate, and soy isolated protein as auxiliary materials. The preparation procedure comprises: pickling, enzyme liquid pretreatment, hydrophilic gel pretreatment, chopping and mixing, forming, reaction, and boiling. The method has simple production process, wide raw materials and low cost, and solves the problem of quality reduction caused by low fat. Meanwhile, based on the low-fat chicken meat balls, the method can also develop series of low-fat health-care chicken meat ball products with various tastes and nutritions.
Owner:FUZHOU UNIV

High-strength multifunctional plugging agent

The invention discloses a high-strength multifunctional plugging agent. The plugging agent comprises, by mass, 100 parts of a structural forming agent, 0.001-15 parts of a curing agent, 0.001-10 partsof an interface adhesion agent, 0.001-200 parts of a nano filler and 0.001-30 parts of a diluent, wherein the structural forming agent comprises one or two of unsaturated polyester and vinyl resin; the curing agent comprises one or more of peroxide, persulfide and azo compounds; the interface adhesion agent comprises vinyl triethoxy silane or vinyl trimethoxy silane; the nano filler comprises oneor more of nanoscale or micron-scale carbonate, silicate and sulfate. During use, the structural forming agent, the curing agent, the interface adhesion agent, the nano filler and the diluent are mixed and react to generate liquid gel; the liquid gel is injected to a target plugged zone position and is solidified to form the high-strength multifunctional plugging agent. The plugging agent is stable in performance, good in residence property, high in adhesion force, high in elasticity modulus and high in compressive strength, and has a wide application range and good effects in oil and gas field drilling and production operation.
Owner:陕西鼎和源瑞环境工程有限公司

Bait for fishing crucian carp and/or carp and using method thereof

InactiveCN103329864AVisually alluring and somewhat viscoelasticViscoelasticOther angling devicesTrappingPrawn
The invention discloses bait for fishing crucian carp and / or carp and a using method of the bait and is characterized in that the bait comprises the following components in part by weight: 3-10 parts of earthworm meal, 3-10 parts of blood worm meal, 3-10 parts of silkworm chrysalis meal, 3-10 parts of fish meal, 3-10 parts of krill meal, 10-15 parts of maize meal, 5-8 parts of peanut meal, 5-8 parts of soybean meal, 10-15 parts of wheat germ meal, 3-8 parts of wheat protein meal, 20-30 parts of Alpha-starch, 0.5-2 parts of maize essence, 0.5-1 part of fragrant wheat meal, 0.5-2 parts of sodium cyclamate, 0.3-0.5 part of dimethyl-Beta-Dimethylpropiothetin (DMPT) and 0.2-1 part of trimethyl glycine; all that is needed to prepare the bait is milling the materials into powder and then mixing the materials; the bait is mixed with water in the proportion of 1:1, is kneaded to form dough and stands for 5 minutes, and then a user can pick a little dough by hand and hang the dough on a fishhook to fish. The bait has the advantages of high fish collecting speed, good fish trapping and fishing effects and high pertinence.
Owner:NINGBO UNIV

Novel inorganic-organic ternary composite plugging agent for oil extraction and preparation method

The invention relates to a novel inorganic-organic ternary composite plugging agent for oil extraction and a preparation method. The invention adopts the technical scheme that: the plugging agent is prepared by mixing 8 to 12 percent of water glass of which the modulus is 3.3, 0.1 to 0.3 percent of polyacrylamide and 0.3 to 0.8 percent of water-soluble phenolic resin and the balance of phosphoricacid and water, wherein the phosphoric acid is used for adjusting a pH value. Under the condition of overcoming short gelation time and relatively weak gelation intensity of inorganic silicic acid, inorganic-organic plural gel which has the characteristics of relatively long gelation time at the temperature of less than 70 DEG C, high gelation intensity, certain tenacity and difficult cracking isprovided and is suitable for different stratum environments.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Novel chicken block taking hydrophilic compound gel and soybean protein as functional auxiliary materials and preparation method thereof

The invention provides a novel chicken block taking hydrophilic compound gel and soybean protein as functional auxiliary materials, which belongs to the technical field of deep processing of poultry. The novel chicken block taking the hydrophilic compound gel and the soybean protein as the functional auxiliary materials takes chicken and chicken skin as main raw materials; and the auxiliary materials comprise transglutaminase, hydrophilic compound gel, composite phosphate and soybean protein isolate. Preparation working procedures comprise pickling, the pre-treatment of enzyme solution, the pretreatment of hydrophilic gel, cutting and mixing, molding, reaction, rebaking, tabletting, battering and breading, and frying. The novel chicken block has the advantages of simple production technology, broad raw materials and low cost, and overcomes the disadvantage of the quality of products produced by chicken raw materials. At the same time, serial chicken block products with various tastes and various nutritions can also be developed based on the novel chicken block.
Owner:FUZHOU UNIV

Low-fat health care chicken sausage prepared by utilizing compound hydrophilic gel and chicken skin to substitute fat and method thereof

The invention provides a low-fat health care chicken sausage prepared by utilizing compound hydrophilic gel and chicken skin to substitute fat and a method thereof, which belong to the technical field of deep processing of poultry. The low-fat health care chicken sausage prepared by utilizing the compound hydrophilic gel and the chicken skin to substitute the fat is characterized in that the chicken sausage takes chicken and the chicken skin as main raw materials; and auxiliary materials comprise transglutaminase, hydrophilic compound gel, composite phosphate and soybean protein isolate. Preparation working procedures comprise pickling, the pre-treatment of enzyme solution, the pretreatment of hydrophilic gel, cutting and mixing, enema exhaust, reaction, drying and boiling. The chicken sausage has the advantages of simple production technology, broad raw materials and low cost, and overcomes the disadvantage of the decrease of the quality caused by low fat. At the same time, serial low-fat health care chicken sausage products with various tastes and various nutritions can also be developed based on the low-fat chicken sausage.
Owner:FUZHOU UNIV

Non-fried instant noodles with local flavor and method for making same

The invention relates to a frying-free instant noodle and its making process, wherein the noodle comprises wheat flour 50 weight portions, demineralized water 30-35%, table salt 1-2%, table alkali 0.1-0.4%, sodium carboxymethylcellulose 0.2-0.6%, composite phosphates 0.1-0.5% and lecithine 0.6-1.5%.
Owner:武汉大汉口食品有限公司

Organic piezoelectric damping coating and preparation method thereof

The invention relates to an organic piezoelectric damping coating which comprises the following components in percentage by mass: 100 parts of resin base stock, 30-200 parts of piezoelectric ceramic powder, 0.5-5 parts of conductive carbon black and 0.5-50 parts of auxiliary agent. A preparation method of the organic piezoelectric damping coating comprises the following steps of: mixing and stirring the piezoelectric ceramic powder, the conductive carbon black and the resin base stock to obtain a mixture, carrying out ultrasonic dispersion on the mixture, then adding the auxiliary agent to ensure that the piezoelectric ceramic powder and the carbon black are uniformly distributed in the resin base stock to form a coating, and polarizing the prepared coating in a direct-current oil bath electric field to obtain the organic piezoelectric damping coating. The organic piezoelectric damping coating has favorable damping performance (tanDelta is more than or equal to 0.1) in a wide temperature range (-50-100DEG C) as a damping coating, can be widely applied to vibration damping and noise reduction of rooms, airplanes, ships, vehicles and various machinery and has remarkable vibration damping and noise reduction effects.
Owner:WUHAN UNIV OF TECH

Semi-conductive buffer watertight lashing band and production method thereof

The invention discloses a semi-conductive buffer watertight lashing band and a production method thereof and relates to the lashing band and the production method thereof. A semi-conductive watertight lashing band consists of a substrate layer, semi-conductive layers and a semi-conductive waterproof layer, wherein the semi-conductive layers are attached to two surfaces of the substrate layer and are combined with the substrate layer by bonding, coating, impregnating and other modes. The production method of the semi-conductive buffer watertight lashing band comprises the following steps of: firstly, preparing the semi-conductive watertight lashing band; and secondly, preparing the semi-conductive buffer watertight lashing band. The semi-conductive buffer watertight lashing band is used for cables, has high strength, uniform thickness and favorable saturated water-absorbing effects, plays poles of shielding and buffering an electric field and simultaneously has viscoelasticity, so that the cable is more firmly bound and the aim of longitudinally resisting water can be achieved. The invention has the advantages of simple production process, stable technical performance and strong practicability.
Owner:沈阳天荣电缆材料有限公司

Viscoelastic nano-magnetic fluid for improving crude oil recovery ratio of tight reservoir, and preparation method thereof

The invention provides a viscoelastic nano-magnetic fluid for improving the crude oil recovery ratio of a tight reservoir, and a preparation method thereof. The viscoelastic nano-magnetic fluid is composed of surface modifier-modified Fe3O4 particles used as nano-magnetic particles and a viscoelastic surfactant solution used as a carrier liquid; the mass concentration of the surface modifier-modified Fe3O4 particles is 0.5-10 wt.%; and the viscoelastic surfactant solution is prepared by dissolving an anionic surfactant and a counter ion agent in water. The invention further provides the preparation method of the viscoelastic nano-magnetic fluid. The nano-magnetic fluid has the advantages of viscoelasticity, good stability, narrow particle size distribution, strong lipophilicity of the magnetic particles, strong magnetic response, cheap preparation raw materials and simple preparation process, is suitable for industrial production, and can be used in the field of tight reservoir crude oil exploitation to improve the crude oil recovery efficiency.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Convenient instant fresh wet noodle and preparation method thereof

The invention discloses a convenient instant fresh noodle and a preparation method thereof, and relates to the field of food processing. The convenient instant fresh wet noodle is mainly composed of high-gluten wheat flour, modified starch, vital gluten and salt. The addition of additives reduces indicator degradation of color, texture and microorganisms during storage. The noodle adopts an extrusion molding curing process to ensure long shelf life by pickling, modified atmosphere packaging and irradiation sterilization.
Owner:湖北戴氏食品科技股份有限公司

Temperature-resistant salt-resistant viscoelastic polymer gel microsphere, profile control and flooding agent, and preparation methods and applications thereof

ActiveCN111087536APlay a role in profile controlPlay the effect of adjusting and drivingDrilling compositionMicrosphereCrosslinked polymers
The invention relates to a temperature-resistant and salt-resistant viscoelastic polymer gel microsphere and a profile control and flooding agent as well as preparation methods and applications thereof, and mainly solves the problems that in the prior art, polymer microspheres generally only have a profile control effect on medium-high permeability oil reservoirs, and have difficulty in controlling the fluidity of low-permeability oil reservoirs. According to the technical scheme, the polymer gel microsphere is adopted; the polymer gel microsphere comprises a gel microsphere and a polymer coated on the microsphere, wherein the gel microsphere is a crosslinked polymer containing an acrylamide structural unit; and the polymer is a water-soluble polymer containing an acrylamide structural unit. The problem is well solved, and the prepared temperature-resistant salt-resistant viscoelastic polymer gel microsphere profile control and flooding system is directly used or compounded with otheroilfield chemicals, and then is used for onsite application such as deep profile control, flooding and the like for tertiary oil recovery of high-temperature and high-salinity oil reservoirs to increase the recovery ratio.
Owner:CHINA PETROLEUM & CHEM CORP +1

Auxiliary materials for lamination of flexibility circuit board and lamination process of same

The invention relates to an auxiliary material for lamination of a flexibility circuit board and lamination process of the same. The auxiliary material (4) for lamination of the flexibility circuit board comprises the following layers: heat-resistant release film (1), a filling and coating material (2) and a deformation control material (3), wherein the heat-resistant release film (1) is fluorinated ethylene propylene or polytetrafluoroethylene film; the filling and coating material (2) comprises the following components: crylic acid alkyl ester polymer, polysiloxane and polyethylene; the deformation control material (3) comprises PET, PBT or PA film; and at least two adjacent layers of the heat-resistant release film (1), the filling and coating material (2), the deformation control material (3) are composited into a whole or three layers are composited into a whole. The invention solves the problem that foreign body plug the hole; and the special filling and coating material can not escape in cross flow in the process of the lamination. The invention also provides a lamination process with excellent glue resistance capability.
Owner:周伟

Degradable quick plugging agent

The invention relates to a degradable quick plugging agent. The degradable quick plugging agent is composed of three parts, wherein a base solution A is prepared by graft copolymerization of sodium carboxymethylcellulose and acrylamide; a cross-linking agent B is composed of inorganic cross-linking agents CrCl3, FeCl2 and borax; and a base solution C is a gel breaker with a degradation action and composed of H2O2 and NaOH solution. Due to a solid hydrogel generated by the reaction between the base solution A and the cross-linking agent B, the swelling property and retention property of a plugging slurry are enhanced, the success rate of plugging is increased, and the repeatability of plugging is reduced. The plugging agent has high hardness in a working state and can be applied to high-pressure places; when plugging is not needed any more, the gel breaker base solution C can permeate in a plugging gel, and a plugging main body, namely the solid hydrogel, can be decomposed and broken in a period of time and is removed further.
Owner:HARBIN UNIV OF SCI & TECH

Early anti-aging and brightening nutrient containing melaleuca bracteate extract and preparation method thereof, essence and extraction method for melaleuca bracteate extract

The invention discloses an early anti-aging and brightening nutrient containing a melaleuca bracteate extract. The early anti-aging and brightening nutrient comprises the following components in partsby weight: 1-10 parts of polyol, 1-10 parts of a moisturizer, 2-20 parts of an emollient, 1-5 parts of an emulsifier, 0.1-2 parts of a thickener, 0.1-2 parts of a pH regulator, 0.1-5 parts of an antioxidant, 0.1-10 parts of a skin conditioner and 80-100 parts of deionized water, wherein the skin conditioner contains the melaleuca bracteate extract. According to the early anti-aging and brightening nutrient, the melaleuca bracteate extract is added to various assistants, so that skin photoaging is effectively prevented, balance of melanocytes is restored, natural color and luster of skin are restored, wrinkles are significantly reduced and the elasticity of the skin is increased.
Owner:圣迪斯哥(深圳)生物科技有限公司

Method for preparing plugging agents

The invention belongs to the technical field of a sealing-up and plugging materials, and particularly relates to a method for preparing plugging agents. The method includes smashing diatomaceous earth, bentonite, sepiolite and the like and mixing and stirring the diatomaceous earth, the bentonite, the sepiolite and water to obtain suspension; collecting emulsion from rubber trees, mixing and heating the emulsion, heavy calcium carbonate, carboxymethyl celluloses and polyamide fibers to obtain first mixtures; adding silane coupling agents into the first mixtures and carrying out ultrasonic treatment to obtain modified natural emulsion; mixing, heating and stirring the modified natural emulsion and lauroyl diethanolamine solution to obtain second mixtures, adding initiators, the suspension and cross-linking agents into the second mixtures, stirring the second mixtures, the initiators, the suspension and the cross-linking agents to obtain third mixtures and adding acrylamide solution into the third mixtures; carrying out reaction and then discharging and drying reaction products to obtain the plugging agents. The method has the advantages that the plugging agents prepared by the aid of the method are high in blocking speed and plugging success rate, formed plugging layers are high in loading capacity, good plug forming effects can be realized, repeated leakage can be prevented, and the plugging agents are little in environmental influence and free of pollution, are non-toxic and can be constructed safely and quickly.
Owner:石磊

Method for preparing active factor sustained-releasing PELA (Percutaneous endovenous laser ablation) microsphere scaffold bone repairing material

The invention discloses a method for preparing an active factor sustained-releasing PELA (Percutaneous endovenous laser ablation) microsphere scaffold bone repairing material. The method comprises the following steps of selecting biodegradable PELA as a basic capsule wall material; mixing rhBMP-7 dry powder and distilled water, and dissolving the rhBMP-7 dry powder to form an internal aqueous phase; uniformly mixing the PELA and an organic solvent dichloromethane to form an oil phase; adding the internal aqueous phase into the oil phase, and performing ice-bath ultrasonic emulsification to form primary emulsion; adding the primary emulsion into external aqueous phase, performing stirring to remove the organic solvent, performing repeated washing and centrifugation operation, and performing vacuum freeze-drying to form initial micro-capsule dry powder for storage; adding dissolution fluid into the initial micro-capsule dry powder for uniform mixing; freeze-drying the initial micro-capsule dry powder mixed with BMP-2 to form final micro-capsule dry powder; placing the final micro-capsule dry powder into a die; placing the die into a sealed container with dichloromethane, and performing sealed steam fumigation until the dry powder is gradually fused into a viscous and elastic body with certain porosity; air-drying the viscous and elastic body to completely volatilize the dichloromethane remaining the surface of the material to obtain a filling material for bone defects.
Owner:李夏林 +1

Clean high-temperature water-base fracturing fluid

The invention provides clean high-temperature water-base fracturing fluid. The clean high-temperature water-base fracturing fluid comprises components including, by weight, 0.5%-6% of clay stabilizers, 2%-6% of accelerators, 0.01%-0.1% of bactericides, 0.6%-3.0% of alcohol with a low molecular weight, 0.4%-2% of zwitterionic surfactants, 0%-0.5% of polysaccharide compounds and the balance water. The components are mixed with one another to obtain the clean high-temperature water-base fracturing fluid. The clean high-temperature water-base fracturing fluid has the advantages that as proved by indoor evaluation, the temperature resistance of the clean high-temperature water-base fracturing fluid can reach 150 DEG C at least, and accordingly the clean high-temperature water-base fracturing fluid is superior to general clean fracturing fluid systems; the dosage of betaine is 0.4%-2% (a weight ratio) and is far lower than the dosage (2%-5%) of amphoteric surfactants in formulas for conventional fracturing fluid; the clean high-temperature water-base fracturing fluid is convenient to use and operate, excellent in sand suspension ability and superior to common cross-link guar gum and quaternary ammonium salt systems, and cross-link can be omitted.
Owner:河北中大永迪生物科技有限公司

Bionic dermis as well as preparation method and application thereof

The invention discloses bionic dermis. An implant is a three-dimensional braided fabric of biocompatible fiber, and the fiber adsorbs, absorbs or is wrapped with protein substance favorable for skin or dermis restoration. The invention also discloses a preparation method for the bionic dermis and application thereof.
Owner:RUIJIN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Conductive adhesive, a solar back passivation battery, a stacked tile battery string and a manufacturing method thereof

The invention relates to a conductive adhesive, a solar back passivation battery, a stacked tile battery string and a manufacturing method thereof, belonging to the field of solar photovoltaic cells.Conductive adhesives are mainly composed of conductive particles, resins, solvents and optional additives. The resin body comprises one or more of a saturated linear polyester or copolyester having athermoplastic and a molecular weight of 20,000 to 80,000 Mw, or a phenoxy resin. A conductive adhesive film / tape is formed by curing the conductive adhesive film / tape with a volatile solvent heated below 220 DEG C, and the adhesive film can obtain adhesion when heated and pressurized and can adhere two interfaces and conduct electricity. A main gate electrode is fabricated on that aluminum back field surface of the back passivation cell sheet without breaking the passivation lay, thereby improving the conversion efficiency of the cell sheet. The main gate electrode has strong adhesion to the high-temperature sintered aluminum film, and is used for improving the structure of the solar cell sheet. The application of the above characteristics of conductive adhesive can simplify the fabrication of tiled solar cell strings-no additional use of conventional conductive adhesive is required.
Owner:彭延岩

Biological fracturing fluid system as well as preparation and application thereof

The invention relates to a biological fracturing fluid system and particularly relates to a novel biological fracturing fluid system applicable to exploitation of unconventional gas reservoirs. The biological fracturing fluid system contains the following components by weight: 2g / L-4g / L of a gelatin polymer, 0.02g / L-2g / L of a biological bactericide, 0.25g / L-0.5g / L of a biological discharging aid, 10g / L-30g / L of a clay stabilizing agent, a pH value regulator, 10mg / L-30mg / L of an enzyme gel breaker and the balance of water. The biological fracturing fluid system can furthest exert the advantages of fracture formability and filtrate loss resistance of gelled fracturing fluid corresponding to the unconventional gas reservoirs such as coal bed gas, shale gas and tight sandstone gas, and biological enzyme is taken as a gel breaker, so that the jelled gel is thoroughly broken, the residue amount is extremely low, nature or fractured pores of the reservoirs are not blocked, the fracture construction effect is guaranteed, the effective flowback is realized, the damage of a stratum is reduced, and the productivity of an unconventional gas well is improved; the biological fracturing fluid system is a relatively ideal novel fracturing fluid system applicable to the exploitation of the unconventional gas reservoirs.
Owner:DALIAN BITEOMICS INC

Bistable state actuator

The invention provides a bistable state actuator which comprises a support, a prestretching mechanism, an actuating mechanism and a driving mechanism. The prestretching mechanism is provided with stretching arms which are distributed on the two sides of the support. The driving mechanism comprises two intelligent soft material thin films, the inner ends of the two thin films are attached to a rigid piece respectively, the outer ends of the two thin films are fixedly connected to clamps which are connected with the stretching arms respectively, and the actuating mechanism is driven through contracting and stretching of the intelligent soft material thin films. The actuating mechanism comprises a bistable state beam and the rigid piece, and the bistable state beam is placed at the center of the actuating mechanism and vertically penetrates through the middle of the rigid piece. The intelligent soft material thin films are attached to the rigid piece, and the two ends of the bistable state beam are connected with the support. The actuator is switched between two stable states through position state switching of the bistable state beam, the bistable state beam only provides energy when the position states are switched, and it is kept that energy is of no need in the stable position states. The bistable state actuator achieves bistable state driving by the aid of intelligent sift material thin film materials and the bistable state structure, and not only is the advantage of a common actuator achieved, but also the advantages of miniaturization, power saving and quick response are achieved.
Owner:ZHEJIANG UNIV

Poly-butylene succinate/natural rubber composite degradable toughness material and preparation method thereof

The invention discloses a poly-butylene succinate / natural rubber composite degradable toughness material. The material comprises the raw materials in percentage by weight: 70-90 percent of poly-butylene succinate and 10-30 percent of natural rubbers, wherein the poly-butylene succinate is an aggregate material, and the natural rubber is a dispersed phase. The composite degradable toughness material is high in toughness; the preparation method is simple and feasible, and suitable for large-scale popularization.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Preparation method of spun yarn fabric for enhancing thermoplastic resin

The invention relates to a preparation method of a spun yarn fabric for enhancing a thermoplastic resin. The preparation method comprises the following steps: a thermoplastic resin emulsion with the weight of 1-8% of the weight of the spun yarn fabric is adopted to dip the fabric, and the dipped fabric is taken out, is subjected to superfluous emulsion removal and is dried to obtain the resin-infiltrated spun yarn fabric. The preparation method which has the advantages of convenient operation, low cost and no presence of organic solvents in the whole process is an environmentally friendly processing technology; resins with any vitrification points, even thermal crosslinking resins can be prepared through the emulsion polymerization, so yarns have various viscoelasticities, thereby the absence of the organic solvents is endowed in the preparation process of composite materials with various excellent performances; and a problem that molten resins are difficult to infiltrate the spun yarn is solved, so fibers of the yarn can be bonded, thereby the preparation method, which allows mechanical performances of the composite materials to be obviously improved when the preparation method is applied to the composite materials, has a good application prospect.
Owner:DONGHUA UNIV

Gear transmission apparatus using flexible belts as engagement medium

The present invention relates to a gear transmission mechanism using flexible belt as meshing medium. In order to overcome the defects of existent gear transmission mechanisms, said invention provides its technical scheme, and said technical scheme is characterized by that a movable and closed flexible belt is cover-mounted on the exterior of gear tooth of one gear, and two sides of the gear on which the flexible belt is cover-mounted are equipped with stopper ring respectively, and said stopper ring is connected with said gear by means of screw. Said invention can reduce friction of tooth face, reduce noise, can be lubricated by oil, also can be lubricated by water, and can utilize elasticity of flexible belt to automatically regulate error of form and position.
Owner:CHONGQING UNIV

Phosphate fertilizer controllably released through pH-sensitive material and preparation method of phosphate fertilizer

The invention provides a phosphate fertilizer controllably released through a pH-sensitive material. The phosphate fertilizer is characterized by being prepared by coating a water-soluble phosphate fertilizer with the pH-sensitive material, wherein the pH-sensitive material is prepared by crosslinking wheat gluten and zeolite under the action of a crosslinking agent; after a crop is lack of phosphorus, the pH value of the periphery of the root system is reduced because organic acid secreted by the root system of the crop is increased, and the wheat gluten embedded in pores of the zeolite is pored through soluble inflation and hydrolysis under the condition of low pH value, so that a controlled release effect is achieved; and at the moment, water-soluble phosphorus cannot be fixed by soil due to the existence of organic acid, so that the efficient absorption of the crop on phosphorus is increased to the maximum extent, and the fixed and lost phosphorus is reduced. By using the phosphate fertilizer controllably released through the pH-sensitive material, the problems that the absorption and utilization rates of crops on phosphorus are low and phosphorus is easily fixed and lost because phosphorus in the existing controlled-release phosphate fertilizer cannot be controllably released according to the growth demands of the crops are solved.
Owner:黑龙江实力农业肥料科技有限公司

Baby diaper rash cream and preparation method thereof

The invention relates to the field of skin care, in particular to a baby diaper rash cream and a preparation method thereof. The baby diaper rash cream has the advantages that the long chain of macromolecular polysaccharide of edible fungi is hydrolyzed into micromolecular polysaccharide segments with enhanced immunity by enzyme fermented by probiotics, the effective components are metabolized bythe probiotics to transform, and the metabolism product with stronger pharmacological activity is produced, such as saponins, anthraquinones and terpenes; the natural medicine component is fermented and converted in vitro by the probiotics, and the medicine activity function is improved; the immunity and disease-resistant ability at the skin surface of a baby are stimulated and enhanced by the polysaccharide of bacteria; the non-specific immunity can be produced for the diseases caused by bacteria, fungi and viruses and the stress reaction caused by environment change and the like.
Owner:郭舒洋
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