248 results about "Sesbania gum" patented technology

The invention discloses anti-vein precoated sand and a preparation method thereof. The anti-vein precoated sand is prepared from the following raw materials in parts by weight: 80-90 parts of quartz sand, 15-25 parts of menaccanite, 10-15 parts of spodumene, 2-3 parts of boric acid, 2-3 parts of thermoplastic phenolic resin, 0.5-1 part of thermosetting phenol resin, 5-10 parts of cement clinker, 4-7 parts of sulphite liquor, 3-5 parts of corn flour, 2-3 parts of sesbania gum, 1-2 parts of ammonium benzoate, 0.5-0.8 part of gamma-aminopropyl triethoxy silicane, 3-6 parts of dioctyl phthalate, 7-11 parts of urotropine, 2-4 parts of calcium stearate and 3-5 parts of composite powder. The anti-vein precoated sand has strong anti-sand burning and anti-vein capacities, also has the characteristics of high strength, good liquidity, low gas evolution, good heat resistance, good gas permeability and the like, can obviously reduce or eliminate defects of vein, sand burning, pores and the like, effectively improves quality of the inner surface and the outer surface of a casting and is applicable to production of a gray iron bulb iron steel casting.

The invention discloses a seawater-based fracturing fluid for fracturing a sea high-temperature oil-gas reservoir and relates to the technical field of cross-linked gel fracturing fluid. The seawater-based fracturing fluid comprises a base solution, a cross-linking agent and a thickening agent, wherein the base solution comprises the components (in percentage by weight) in terms of the weight of the prepared seawater-based fracturing fluid total solution as follows: 0.3%-0.8% of thickening agent, 0.1%-0.3% of pH regulating agent, 0.1%-0.5% of discharge aiding agent and the balance being seawater; relative to the mass fraction of the base solution, the cross-linking agent is 0.4%-0.6%; and the thickening agent refers to guar gum, carboxy-methyl hydroxypropyl guar gum, hydroxypropyl guar gum, fenugreek gum or sesbania gum. The seawater-based fracturing fluid is adopted, so that the dissolving speed of the thickening agent is quick, and therefore, direct mixing and continuous constructing can be realized, and therefore, the seawater-based fracturing fluid is in particular suitable for the fracturing construction of the sea high-temperature oil-gas reservoir. Meanwhile, the fracturing fluid can be continuously sheared for 90 minutes under the conditions of 150 DEG C and 170s<-1>, so that the viscosity is kept to be 70mPa.s or more.

The invention provides a method for preparing high-purity oligosaccharides by the enzymolysis of hemicellulose containing mannosan, and a product which is a high-effect beta-mannase BM-II produced by fermenting bacillus subtilis TQBm with the preservation No. of CCTCC No: M 211147. Konjac glucomannan, guar gum, sophora bean gum, sesbania gum and other hemicelluloses containing the mannosan are hydrolyzed into relatively small molecule materials, and then are desalted, decolored and deodorized through centrifugal separation, flocculation clarification and ion exchange techniques, large molecule materials in sugar solution are separated by the combination of an ultrafiltration technique and a molecular sieve chromatography technique, and finally the high-purity oligosaccharides is prepared through concentration and drying. The method for preparing the high-purity oligosaccharides disclosed by the invention has the advantages of simple operation, good separation effect, low cost and no chemical pollution, and industrialized production can be realized. The oligosaccharides product disclosed by the invention can obviously proliferate bifidobacteria in the human intestinal tract and otherbeneficial bacteria and obviously reduce enterobacter and other harmful bacteria, has the functions of blood sugar and blood fat reduction and immunoregulation, and is a novel raw material and assistant for gastrointestinal health, blood sugar and fat reducing, immunoregulation and disease resisting and preventing medicines.

The present invention discloses a qi benefiting and blood nourishing fragrant and hot walnut kernel which is made of following raw materials in parts by weight: walnut kernels 80-90 parts, watermelon seed kernels 10-20 parts, fish roes 20-30 parts, corn pollen 7-8 parts, oolong tea 8-10 parts, papaya 8-10 parts, capsicum frutescens 4-5 parts, kadsura longipedunculata 2-2.4 parts, elaeagnus pungens 0.7-1.5 parts, Chinese wolfberry fruits 0.7-2 parts, glycerol, sesbania gum, zein, and an appropriate amount of 3%-4% sodium carbonate aqueous solution. The qi benefiting and blood nourishing fragrant and hot walnut kernel utilizes zein to conduct film coating treatment on walnut kernels, which can completely cut off walnut kernels from the outside moisture and oxygen, inhibit oxidative and rancid process of walnut kernels, and extend the shelf life of walnut kernels; and the added kadsura longipedunculata, elaeagnus pungens and other traditional Chinese medicines increase the health-care efficacies of walnut kernels in clearing liver and improving eyesight, supplementing blood and beautifying features, and calming mind and benefiting qi.

Disclosed building glue is prepared from the following raw materials in parts by weight: 15-30 parts of sesbania gum, 7-14 parts of sodium tripolyphosphate, 20-30 parts of triethanolamine, 4-8 parts of sodium-base bentonite, 10-13 parts of talcum powder, 15-25 parts of acetone, 6-9 parts of sodium bisulfite, 4-8 parts of hydroxyethyl cellulose, 4-10 parts of sodium polyacrylate aqueous solution with the concentration of 0.2%, 6-10 parts of urea, 7-12 parts of sodium hydroxide, and 6-11 parts of potato starch. The provided building glue is energy-saving, environment-friendly, non-toxic, high in bonding strength, free of powder falling phenomenon, easy for batch scraping, and excellent in water retention property.

The invention discloses a foamed plastic binder for lost foam casting of a valve, and relates to the technical field of valve manufacturing. The foamed plastic binder is made from, by weight, 70-80 parts of polymerized rosin, 15-20 parts of bismaleimide, 13-18 parts of modified starch, 11-15 parts of calcined kaolin, 10-13 parts of sodium polyacrylate, 10-13 parts of maltodextrin, 8-12 parts of gypsum powder, 6-10 parts of nanometer aluminium oxide, 6-10 parts of palm wax, 5-8 parts of sesbania gum, 3-6 parts of dibutyltin dilaurate, 2-4 parts of sodium citrate, 40-50 parts of n-butyl alcohol and 60-70 parts of water. The foamed plastic binder has the characteristics that the production cost is low, the binding effect is good, the use quantity is low and the gas-forming amount is low; besides, gasification is fast, no residue is generated, and the foamed plastic binder is suitable for binding foamed plastic for lost foam casting of the valve.

The invention relates to a cation modified sesbania gum surface sizing agent and a preparation method thereof. The preparation method of the cation modified sesbania gum surface sizing agent comprises the following steps of: adding 5-20 parts of sesbania gum, 2-16 parts of polyoxyethylene, 0.2-20 parts of polyethylene glycol and 4-16 parts of cationic monomer to 800kg-900kg of aqueous solution; adding acid to the solution to regulate the pH to 3-4; regulating the temperature to 80 DEG C to 90 DEG C and reacting for 1 hour to 3 hours; adding 2-14 parts of cross-linking agent, 0.1-10 parts of initiator and 1-10 parts of stearin gum to the solution prepared in the step 1; adding the acid to regulate the pH of the solution to 3-4; regulating the temperature to 80 DEG C to 90 DEG C and reacting for 1 hour to 3 hours; and 100 parts of adding aluminum sulfate aqueous solution with concentration of 40%-80%, and stirring and discharging to obtain the cation modified sesbania gum surface sizing agent. The modified sesbania gum surface sizing agent has the beneficial effects that the sizing agent prepared by carrying out soluble emulsion cationization to vegetable gelatin and synthetic macromolecule compound and carrying out cross-linking grafting copolymerization has the function of reacting with the fiber to form a covalent bond; moreover, the curing time during the sizing process can be shortened, and the water resistance and strength of the paper are obviously improved.

The invention discloses waterborne polyurethane slurry for producing a synthetic leather bass through a wet method. The waterborne polyurethane slurry relates to the technical field of synthetic leather processing, and is prepared from the following raw materials in parts by weight: 60 to 70 parts of waterborne polyurethane resin, 5 to 10 parts of waterborne acrylic resin, 5 to 10 parts of hydrogenated ester gum, 4 to 8 parts of polyvinyl alcohol resin, 4 to 8 parts of chlorinated polyethylene, 3 to 6 parts of terpene resin, 3 to 6 parts of microcrystalline cellulose, 2 to 4 parts of C5 petroleum resin, 2 to 4 parts of hydrogenated palm oil, 2 to 4 parts of activated clay, 1 to 2 parts of dipentaerythritol, 1 to 2 parts of sesbania gum, 0.5 to 1 part of tea seed powder, 0.5 to 1 part of molecular sieve raw powder, 0.5 to 1 part of nanometer titanium dioxide, and 200 to 250 parts of water. The waterborne polyurethane slurry provided by the invention adopts the water as a solvent, so that the problems of environmental pollution and harm to human health existed by using an organic solvent are avoided; the curing time of an intumescent coating is short, no harmful gas escapes during a curing process, and the prepared synthetic leather bass and a solvent type synthetic leather bass have close textures and operational performance.

The invention discloses environmentally friendly diatom ooze latex paint and a preparation method thereof. The environmentally friendly diatom ooze latex paint is prepared from 60-63 parts of acrylate emulsion, 45-50 parts of epoxy resin, 40-43 parts of diatom ooze, 35-36 parts of glutinous rice glue, 30-32 parts of heat insulation filler, 29-30 parts of negative-ion natural mineral substance powder, 26-28 parts of bamboo vinegar liquid, 23-25 parts of essential oil component, 18-21 parts of antimicrobial powder, 15-16 parts of sesbania gum, 10-15 parts of additive and 65-68 parts of water. Free formaldehyde, benzene, ammonia and hazardous substances in the air and peculiar smell can be effectively removed, indoor air is purified, and the environmentally friendly diatom ooze latex paint is environmentally friendly and safe.

The invention discloses a walnut kernel with polygonatum odoratum and jasmine. The walnut kernel with polygonatum odoratum and jasmine is prepared from the following raw materials in parts by weight: 70-75 parts of walnut kernel, 9-15 parts of fish eggs, 18-23 parts of rice slurry, 6-8 parts of rice vinegar, 2-2.2 parts of Chinese prickly ash, 5-8 parts of jasmine, 2-3 parts of beewax, 0.8-1.1 part of polygonatum odoratum, 1.8-2.3 parts of common fenugreek seeds, 2-2.4 parts of semen cassia, a proper quantity of emulgators, a proper amount of sesbania gum, a proper amount of zein and a proper amount of 3-4% sodium carbonate solution. The alcohol soluble protein is used for coating the walnut kernel; the outside water and oxygen are isolated; the oxidative rancidity process of the walnut kernel is inhibited; the shelf life of the pecan kernel is prolonged; by virtue of the traditional Chinese herbal medicinal ingredients such as polygonatum odoratum and common fenugreek seeds added into the walnut kernel, the healthcare functions of nourishing yin to moisten dryness, moistening lung, invigorating yang and relieving fatigue of the walnut kernel are added.

The invention discloses a preparation method of galacto-mannan-oligosaccharides and application of the galacto-mannan-oligosaccharides. The preparation method comprises the following steps: (1) performing segmented composite enzymatic hydrolysis on galacto-mannan-oligosaccharides such as guar gum, sesbania gum, locust bean gum, fenugreek gum and Tara gum, wherein the enzyme is a complex enzyme ofacid mannase and cellulase; and (2) by segmented ultrafiltration classification, obtaining degraded galacto-mannan-oligosaccharides which are a mixture of a disaccharide, a trisaccharide, a tetrasccharide and a pentosaccharide. The preparation process is simple and easy, and is environmentally friendly. The conversion rate of the galacto-mannan-oligosaccharides is high, and the galacto-mannan-oligosaccharides are easy to separate. The prepared galacto-mannan-oligosaccharides can be used as prebiotics to be applied to food and animal feed, the proliferation of a butyric acid-production probiotic is promoted, and the intestinal environment is improved.

The invention relates to a dust suppressant for suppressing mineral powder and bare ground dust and a preparation method thereof. The dust suppressant comprises dust suppression powder and water witha mass ratio of 1:(30-150). The dust suppression powder includes 5-45 parts by weight of gelling agents, 5-55 parts by weight of an auxiliary material and a food-grade preservative which accounts for2 to 18 in a thousand of the total mass of the dust suppression powder. The gelling agents include one or more of sesbania gum, carboxymethyl cellulose, polyacrylamide, latex powder, maltodextrin, guar gum and xanthan gum. The auxiliary material is corn pre-gelatinized starch. Through the reasonable collocation of modified starch, the dust depressant has strong adhesion with the mineral powder andgood wind erosion resistance and dust suppression effect. The prepared dust suppressant solution has the advantages of low viscosity, small power required for spraying, good stability, difficult delamination and low use cost. The production raw materials of the dust suppressant is easily available and low in cost.

The invention discloses a cleaning addition agent for cleaning beef bloodstain before making of beef broth, and relates to the technical field of food processing. The cleaning addition agent is prepared by mixing the following raw materials in parts by weight: 10-20 parts of hydroxypropyl starch-polyglutamic acid-mannitol, 5-10 parts of microcrystalline cellulose-glycine, 0.5-3 parts of a poloxamer 188, 0.5-3 parts of sodium alginate, 0.05-0.5 part of sesbania gum and 0.05-0.5 part of vitamin C powder. The cleaning addition agent can effectively eliminate beef bloodstain, the elimination rate is 99% or above, and based on the situations that the cleaning time is obviously shortened and the consumption of water for cleaning is reduced, the cleaning effect is guaranteed. The cleaning addition agent is non-toxic and harmless, in the rinsing process through the clean water, the cleaning addition agent can be rapidly removed, and the remaining rate of the cleaning addition agent on the beef is lower than 0.01%, so that the eating safety of the beef is guaranteed.

The invention discloses a modified sulfur positive electrode nanometer paste of a lithium sulfur battery. The modified sulfur positive electrode nanometer paste comprises the following constituents based on weight: 1 part of sesbania gum, 45-52 parts of water, 2.5-8 parts of elemental sulfur and 2-5 parts of carbon nanotube. In the modified sulfur positive electrode nanometer paste, the safe and green sesbania gum is taken as a binding agent for a positive electrode material of a lithium sulfur secondary battery, thus, the electrochemical performance of the electrode material is improved, moreover, no pollution is generated to an environment, and no harm is brought to a human body. Through tests, the cycle index reaches over 200 times when the lithium sulfur battery prepared from the positive electrode material is at high discharging specific capacitance (1,200mAh/g), and the capacity still can be maintained stability.

The invention discloses a biomimetic preparation method of a strontium carbonate crystal, wherein a coronary strontium carbonate nano crystal is prepared by a biomimetic method in a specific communication device by adopting strontium chloride hexahydrate and ammonium bicarbonate as reactants and sesbania gum as a biological regulation agent. According to the target product coronary strontium carbonate nano crystal, the corolla diameter is 3,000-6,000nm; the corolla is composed of nano rods with diameter being 50-80nm; the corolla structure is tight, with purity being greater than or equal to 99% and yield being 97-99%. The method disclosed by the invention has the characteristics of mild conditions, low energy consumption, large corolla diameter, tight corolla structure, high purity, highyield, low preparation cost, etc.

The invention relates to a high-temperature-resistant gel plugging agent. The high-temperature-resistant gel plugging agent is characterized by being prepared from sesbania gum, titanate, carboxymethylcellulose, polyacrylamide, solid-phase particles and distilled water in parts by weight. The high-temperature-resistant gel plugging agent can resist the high temperature of 120 DEG C and has the good salt resistance. The plugging agent is not limited by the size and the shape of a leakage path and can enter the leakage path through compressional deformation, the utilization rate of the plugging agent is increased, and the waterproof performance is good. Besides, common gel plugging agents are limited for high-temperature stratums and stratums with the higher mineralization degree, and the temperature resistance and the salt resistance of the newly developed gel plugging agent are tried to be improved.

The invention discloses an electrode material of a lithium ion battery, comprises an electrode active material and a binder, wherein the binder comprises sesbania gum phosphate, carboxymethyl sesbania gum, ethoxyl-sesbania gum or oxidation sesbania gum. The invention also discloses an electrode paste of the lithium ion battery, comprising the electrode material of the lithium ion battery and a solvent, wherein the electrode material of the lithium ion battery is the electrode material of the lithium ion battery. The invention also discloses electrodes of the lithium ion battery, which are prepared by coating the electrode paste of the lithium ion battery on the polar electrics of the electrode, and drying and rolling. The invention discloses the lithium ion battery, comprising a battery shell, an electrode assembly and electrolyte, wherein the electrode assembly and the electrolyte are sealed in the battery shell; the electrode assembly comprises a positive pole, a negative pole and a membrane between the positive pole and the negative pole; and the positive pole and/or the negative pole are the electrodes of the lithium ion battery. According to the invention, the capacity, the rate discharge performance and the cycle performance of the battery are improved.

The invention discloses a film-forming auxiliary agent prepared by utilizing an organosilicon polymer and used for a construction metal formwork release agent, and relates to the technical field of release agents. The film-forming auxiliary agent is prepared from the following raw materials in parts by weight: 15 to 20 parts of the organosilicon polymer, 6 to 11 parts of hydrogenated rosin glycerin ester, 5 to 9 parts of chlorinated polyethylene, 4 to 8 parts of a silicone emulsion, 4 to 8 parts of polyvinyl butyral, 3 to 6 parts of turpentine oil, 3 to 6 parts of sesbania gum, 3 to 6 parts of pregelatinized starch, 2 to 4 parts of rice bran wax, 2 to 4 parts of tea seed powder, 1 to 2 parts of sulfated castor oil, 1 to 2 parts of lanolin, 0.5 to 1 part of disodium hydrogen phosphate and 25 to 35 parts of isopropanol. The film-forming auxiliary agent provided by the invention can significantly improve the film-forming properties of a release agent, can effectively shorten the curing and film-forming time of the release agent, can reinforce the adhesion force of a formed film layer, avoids the occurrence of phenomena of air pores and pulverization of the film layer in the process of use, thereby facilitating to improving release effect.

The invention discloses a primary precipitator for waste water treatment of livestock breeding, and relates to the technical field of breeding waste water treatment. The primary precipitator is prepared from, by weight, 25-30 parts of wheat straw dry powder, 10-15 parts of lignocellulose, 4-8 parts of pregelatinized starch, 4-8 parts of acrylic acid macroreticular resin, 3-6 parts of dry bean dregs, 3-6 parts of ceramic micro powder, 2-4 parts of polyoxyethylene, 2-4 parts of sesbania gum, 2-4 parts of water-soluble chitosan, 1-2 parts of polyving akohol resin, 1-2 parts of poly dimethyl diallyl ammonium chloride, and 0.5-1 part of asbestos wool. Through the absorption and flocculation, the precipitator can effectively precipitate fine grains in the waste water, ammonia nitrogen, and organic phosphorus matters, and fully play the primary treatment effect, greatly lighten the subsequent treatment difficulty of waste water, and reduce the waste water treatment cost.