6576 results about "Sodium carboxymethylcellulose" patented technology

Compositions comprising a glycosaminoglycan (e.g., a hyaluronan, hyaluronic acid, hyaluronate, sodium hyaluronate, dermatan sulfate, karatan sulfate, chondroitin 6-sulfate, heparin, etc.) in combination with at least one component selected from; i) polyglycols (e.g., polyethylene glycol), ii) long chain hydroxy polyanionic polysaccharides (e.g., dextran, sodium alginate, alginic acid, propylene glycol alginate, carboxymethyl cellulose and carboxyethyl cellulose, hydroxyl ethyl starch, hydroxyl propyl methyl cellulose, hydroxy propyl ethyl cellulose, hydroxy propyl cellulose, methyl cellulose, polylysine, polyhistidine, polyhydroxy proline, poly ornithine, polyvinyl pyrolidone, polyvinyl alcohol, chitosan, etc.) and iii) long chain Nitrogen containing polymers (e.g., Polylysine, Polyvinylpyrrolidone, and polyvinyl alcohol). The invention also includes methods for using such compositions (e.g., as substance delivery materials, tissue fillers or bulking agents, as moistening or hydrating agents, etc.)

The invention discloses a large-capacity high-power polymer lithium iron phosphate power battery. The weight ratio of anode slurry is as follows: 81 to 85 percent of lithium iron phosphate, 1 to 5.5 percent of superconduction carbon, 0 to 2.5 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 0 to 2.5 percent of crystalline flake graphite, 0 to 2 percent of carbon nanometer tube as well as 6 to 7.5 percent of polyvinylidene fluoride; the weight ratio of cathode slurry is as follows: 89 to 91 percent of cathode material, 1 to 3.5 percent of superconduction carbon, 0 to 2 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 2.5 to 3.5 percent of styrene-butadiene rubber as well as 1.5 to 2 percent of sodium carboxymethyl cellulose; the steps for preparing the battery are as follows: preparing slurry, coating the anode and the cathode, rolling and pressing a polar plate, transversely and separately cutting the polar plate, baking the polar plate, welding the polar ears of the anode and the cathode, preparing a battery cell, putting the electric core into a shell and sealing, baking the electric core, injecting liquid into the battery as well as forming the battery and dividing the volume of the battery. The invention relates to a lithium-ion secondary battery which can provide drive energies for electric tools, electric bicycles, motor cars and electric vehicles.

A device for promoting the clotting of blood in body cavities includes a flexible body portion; an expandable member located on the flexible body portion; and a blood clotting material attached to the expandable member. When used, insertion of at least a portion of the blood clotting material into the body cavity causes at least a portion of the blood clotting material to contact blood emanating from a bleed site. Methods of providing therapies to tube-shaped organs include the steps of providing suitable devices having expansion capabilities, positioning the devices at the appropriate bleed sites, and expanding the devices to cause blood clotting materials to contact the bleed sites. Materials that may be used as the blood clotting material include zeolites, molecular sieve materials, diatomaceous earth, clay, silica-based materials, oxidized cellulose, carboxymethyl cellulose, bioactive glass, biological hemostats, chitosan, and combinations of the foregoing.

The invention relates to a high-strength FeOOH desulfurizer, which consists of 50 to 95 weight percent of amorphous FeOOH, 0 to 45 weight percent of carrier and 5 to 50 weight percent of organic binder, wherein the carrier is one or more of aluminium oxide, diatomite, natural zeolite and catalytic cracking spent catalyst; and the organic binder is one or more of sodium carboxymethyl cellulose, sesbania powder and cellulose powder. The invention further discloses a preparation method for the desulfurizer on the basis. The FeOOH desulfurizer prepared by the preparation method has high sulfur capacity, high mechanical strength and wider applicable desulfurization range.

The invention relates to an inorganic hydrated salt expanded graphite composite phase-changing heat storage material. In the preparation method thereof, 85-89 mass parts of inorganic hydrated salt sodium acetate trihydrate as a heat storage matrix, 5.5-6.5 mass parts of disodium hydrogenphosphate as a nucleating agent, 2.5-3.5 mass parts of carboxymethyl cellulose as a thickening agent, and 3-4.5 mass parts of expanded graphite is blended in an inorganic hydrated salt mixture as a material with a high thermal conductivity. Due to the use of the expanded graphite, the material not only maintains excellent properties of natural flake graphite such as good thermal conductivity, no toxicity and the like, but also has adsorbability which the natural flake graphite does not have. The invention solves the problems of sub-cooling degree, phase stratification and low thermal conductivity during the heat storage process. The composite phase-changing material has a low sub-cooling degree after the phase changing performance is improved, the solution thereof is uniform without sedimentation and stratification during the solid-liquid phase change, the performance is stable, the repeatability of good, and the phase-changing heat storage can be enhanced through improving the thermal conductivity of the material.

The present invention has its object to provide a treatment solution for inkjet textile printing that causes few remaining marks even when applied to a fabric. The present invention relates to a treatment solution for inkjet textile printing, the treatment solution comprising at least: 1) a water-soluble polyvalent metal salt; 2) at least one resin component selected from the group consisting of a nonionic resin emulsion, an anionic resin emulsion, and a carboxymethyl cellulose; 3) at least one surfactant component selected from the group consisting of a nonionic surfactant, an anionic surfactant, and an amphoteric surfactant; and 4) an aqueous medium, the treatment solution being applied to a fabric before printing of an ink composition for inkjet textile printing.

The invention discloses paper sepiolite sustained-release antibacterial cat litters which comprise the following raw material components in percentage: 60 to 70 percent of recycled paper, 10 to 5 percent of modified sepiolite, 3 to 5 percent of peanut shell, 5 to 8 percent of plant ash, 4 to 6 percent of super absorbent resin and 5 to 10 percent of carboxymethyl cellulose. In the invention, the sepiolite is soaked in sodium phosphate after being activated at a high temperature and adsorption of the sepiolite on Ag<+> and Cu<2+> can be improved, so that an antibacterial effect of the sepiolite is improved; moreover, due to a sustained-release function of the sepiolite, the paper sepiolite sustained-release antibacterial cat litters can sterilize for a long time, have good stability and have an obvious antibacterial effect. The cat litters prepared by the invention are beneficial for improving the environment in a cat litter box, preventing breeding of bacteria on small cats and ensuring health of a master and pets.

A subject for the invention is to provide a lithium secondary battery which can be improved in high-output/high-input characteristics based on a reduction in the thickness of an active material layer, has a long life, and is highly safe. The invention relates to: a negative-electrode active material for lithium secondary battery, which is in a carbonaceous powder form and in which when a dispersion prepared by dispersing 100 g of the active-material powder in 200 g of water together with 2 g of carboxymethyl cellulose is examined by the grind gauge method for determining the degree of dispersion in accordance with JIS K5400, the particle diameter at which particles begin to appear is 50 μm or smaller; a negative electrode for lithium secondary battery which comprises a current collector having provided thereon an active material layer comprising an active material and an organic material having binding and thickening effects, wherein the active material layer has a thickness of 50 μm or smaller and an arithmetic mean roughness (Ra) as measured in accordance with JIS B0601 of 5 μm or smaller; and a lithium secondary battery employing the negative electrode.

The invention discloses a method for preparing a nanometer silver colloid aqueous solution by adopting sodium carboxymethyl cellulose. The method comprises the following steps: a silver nitrate solid is dissolved in deionized water so as to prepare a silver nitrate aqueous solution A; sodium carboxymethyl cellulose is dissolved in deionized water so as to prepare a solution B; the solution A and the solution B are mixed, wherein the concentration of silver nitrate is 5*10<-5>-2.5*10<-2> mol/l, and the concentration of the sodium carboxymethyl cellulose is 0.2 to 25 g/l; the pH value of the solutions is controlled between 7 and 11; and the solutions react for 2 to 20 hours at a temperature between 15 and 90 DEG C, so as to obtain the aqueous solution containing silver colloid particles with the average particle size less than 100 nanometers. The nanometer silver colloid aqueous solution obtained by the method is brownish-grey at high concentration and is transparent bright yellow after dilution. The prepared nanometer silver colloid particles are stable in shape, good in dispersibility, adjustable and controllable in particle size distribution. The method has the advantages that the method adopts a common reaction vessel for reaction, and is simple in process, little in equipment investment and easy to implement, and raw materials involved in the reaction are friendly to environment, free from pollution, few in product impurities and convenient for post-treatment.

The invention provides a sterile polymerized covering for a wound surface-medical wet dressing for a burn wound, a preparation method of the dressing, and application. The dressing comprises the following components: 10 to 30g of chitosan, 30 to 80g of polyving akohol, 5 to 10g of alginate, 5 to 15g of isomaltose hypgather, 2 to 6g of carbomer 940, 2 to 5g of gelatin, 5 to 10g of sodium carboxymethylcellulose, 10 to 30g of glycerol, and 0.01 to 0.2g of menthol; 15 to 60g of condensed tannin which is remarkable in treatment can be selectively added; and a skin penetration enhancer or an appearance conditioning agent also can be selectively added. The dressing can be prepared into an irregular dressing in order to be suitable for the wound surfaces in irregular and special positions and also can be prepared into a solid plate-shaped dressing which can be shorn at random. According to the sterile polymerized covering dressing for the wound surface, the freezing and thawing technology and the irradiating technology are combined and cross-linked to realize the preparation, and the defects of the prior art can be overcome. The dressing is high in biocompatibility, free from toxicity and sensitization and high in mechanical strength and comfort level, is out of adhering during the process of being replaced after being attached for a long time, and is a nonantigenic protective barrier which has the effect of resisting and inhibiting bacteria.

The invention discloses carboxymethyl cellulose of wheat straw. The wheat straw is crushed and subjected to pretreatment with dilute alkali, bleaching and alkalization, and then reacts with chloroacetic acid before being etherified so as to obtain the carboxymethyl cellulose of the wheat straw; and the carboxymethyl cellulose of the wheat straw is subjected to graft copolymerization together with acrylic acid to obtain a carboxymethyl cellulose-based polymer adsorbent. The adsorbent is applied to the treatment of wastewater containing heavy metal ions, has high adsorbability and large adsorption capacity and ensures high metal ion removal rate. After treatment, the adsorbent has high stability and can completely meet the requirements of heavy-metal wastewater treatment; and the treated wastewater is clear and transparent without odor and can meet the national emission standard. The invention has the advantage that the resources of raw materials are wide, the cost is low, the use of waste is realized, and secondary pollution caused by burning of the wheat straw is avoided, thus being conducive to environmental protection.

The invention discloses a germicidal antiviral composite containing chlorine dioxide. The composite comprises a functional composition that can provide chlorine dioxide and a stabilizing agent, wherein the stabilizing agent is a compound that can cause the functional composition capable of providing the chlorine dioxide to stably exist in a solvent or a carrier and comprises one or more of EDTA, carboxymethyl cellulose, sodium laurate, polyethylene glycol, cyclodextrin, glucan, chitin, and mucopolysaccharide and the like. The technical means adopted in the invention solves the difficulty thatthe chlorine dioxide is instable in products or a complicated stabilizing and releasing technical means is needed in application of products, thus expanding the production and application range of products.

The invention relates to a non-bleeding concrete pumping admixture with high durability and high slump retaining, the raw material weight percentage composition of which is: 25 to 45 percent of naphthalene series water reducer, 2 to 6 percent of polycarboxylic series of water reducer, 1 to 4 percent of sodium lignosulfonate, 0.5 to 2 percent of sodium gluconate, 0.2 to 2 percent of triterpenoid saponin, 0.5 to 3 percent of carboxymethyl cellulose, 0.2 to 1 percent of silicon oil, and 40 to 65 percent of water; the non-bleeding concrete pumping aid with high durability and high slump retaining has the advantages of low slump loss and low cost, no bleeding, restraining the shrinkage of concrete, and controlling the fissure of concrete.

A pet animal body waste treating material which enables disposal of pet animal body waste, such as urine, mollock or so forth, in a similar manner as household combustible waste, and which can be manufactured easily at low material cost, can maintain satisfactorily a large total water absorption area while forming relatively small block with only a portion absorbing water, and thus is quite economical. The pet animal body waste treating material is composed of a core portion, in which paper powder, powdered bentonite and water absorbing polymer are mixed, and a surface layer portion coating the core portion, and wherein in the surface layer portion paper powder, powdered bentonite, carboxymethyl cellulose and starch are mixed.

Viscosity-modified carbohydrate binder compositions are described. The binder compositions may include a carbohydrate, a nitrogen-containing compound, and a thickening agent. The binder compositions may have a Brookfield viscosity of 7 to 50 centipoise at 20° C. The thickening agents may include modified celluloses such as hydroxyethyl cellulose (HEC) and carboxymethyl cellulose (CMC), and polysaccharides such as xanthan gum, guar gum, and starches.

The invention relates to a method for processing broad beans, which is characterized in that the broad beans serve as the raw material, white granulated sugar, high maltose syrup, gourmet powder, edible salt, water and palm oil serve as auxiliary ingredients, selection, peeling, air separation, soaking, washing, frying, feed preparation, cooling and packaging are carried out to obtain the finished product; in the invention, as mechanical production facilities are employed to produce broad beans, so that the obtained broad beans enjoy more full-bodied fragment and crispy taste and fine mouth-feel.In the invention, dry method peeling replaces wet method alkaline peeling, thus improving safety of the product.In addition, as glucose and sodium carboxymethylcellulose are employed, adhesive force of the coated powder of the finished product is enhanced and mouth-feel and yield of the product are improved.The method of the invention is not only reasonable and practical but also features simple operation, good effect and easy promotion.

The present invention is related to compositions and methods for producing a lithium battery with enhanced performance. In particular, the present invention is directed to increasing the solubility of a carboxymethyl cellulose-based binder in water. When the solubility of the carboxymethyl cellulose-based binder is improved, the electrode manufacturing process may be stabilized, and the dispersibility and adhesive force of the electrode may also be improved. As a result, a lithium battery with excellent characteristics may be manufactured. Additionally, the present invention is also directed to an environmentally-friendly manufacturing process for fabricating an anode whereby water is used as the slurry medium, and a lithium battery containing the anode.

The invention discloses a reaction sintering silicon carbide ceramics and a manufacturing technique thereof. The materials of the ceramics comprise: 5-8 parts by weight of SiC powder with a granularity of 10-90 mum, 2-3 parts by weight of SiC powder with a granularity of 0.1-10mum, 0.5-1 part by weight of carbon black powder, 0.3-0.8 part by weight of graphite powder and 0.1-0.3 part by weight of polyvinyl alcohol or carboxymethyl cellulose liquid; the silicon carbide ceramics is manufactured after the pulping of materials, slip casting, drying, vacuum sintering and sand removing and oxidization. The manufacturing technique of the invention is mature and reliable, the silicon carbide ceramics of the invention is fine in product performance and stable in quality, and hardness, temperature resistance, wear resistance and corrosion resistance thereof all reach the standard of international reaction sintering silicon carbide ceramics. In addition, the ceramics of the invention is widely applied to fields such as ceramics kiln furniture, desulphurization nozzles, metallurgy, chemical engineering and the like, and the size deformation rate of the product is less than 0.1%.

The invention relates to toothpaste including radix notoginseng and propolis and a preparation method thereof. The toothpaste comprises the following raw materials according to percentage by weight: 0.1-1.5% of radix notoginseng extract, 0.03-3.2% of propolis powder, 25-46% of natural calcium carbonate, 5-15% of silica, 3-20% of glycerol, -4001-10% of polyethylene glycol, 0.2-1.0% of sodium pyrophosphate, 0.2-1.5% of xanthan gum, 0.1-1.5% of carboxymethyl cellulose, 3-25% of sorbic alcohol, 0.1-1% of saccharin sodium salt, 1-5% of lauryl sodium sulphate, 0.05-0.5% of sodium ethyl p-hydroxybenzoate, 0.02-2% of sodium propylparaben, 0.3-3% of essence, 0.01-0.3% of triclosan, 0.05-2% of zinc citrate, and the balance of water. The natural nursing toothpaste including the radix notoginseng extract has obvious curative effects on gingivitis, bleeding gums, dental ulcer and the like. The propolis has the functions of diminishing inflammation, easing pain and stopping bleeding. The radix notoginseng and the propolis are used in the toothpaste at the same time so that the toothpaste has more obvious effects for stopping pain and resisting gingivitis, bleeding gums and pain.

The invention relates to a propolis toothpaste and a preparation method thereof. The weight ratio of raw materials is: propolis powder 0.03~3.2%, natural calcium carbonate 25~46%, silicon dioxide 5~15%, glycerin 3~20%, polyethylene glycol-400 1~10%, sodium pyrophosphate 0.2~1.0%, Xanthan Gum 0.2~1.5%, Carboxymethyl Cellulose 0.1~1.5%, Sorbitol 3~25%, Sodium Saccharin 0.1~1%, Sodium Lauryl Sulfate 1~5%, Nipole Sodium gold ethyl ester 0.05~0.5%, sodium propylparaben 0.02~2%, essence 0.3~3%, triclosan 0.01~0.3%, zinc citrate 0.05~2%, the balance of water. The propolis toothpaste of the present invention has a good protective effect on teeth, and can also nourish gums and prevent the occurrence of gum inflammation.

A subject for the invention is to provide a lithium secondary battery which can be improved in high-output/high-input characteristics based on a reduction in the thickness of an active material layer, has a long life, and is highly safe. The invention relates to: a negative electrode for lithium secondary battery which comprises a current collector having provided thereon an active material layer comprising an active material and an organic material having binding and thickening effects, wherein the active material is a powdery active material comprising an amorphous-material-coated graphite, and when a dispersion prepared by dispersing 100 g of the active-material powder in 200 g of water together with 2 g of carboxymethyl cellulose is examined by the grind gauge method for determining the degree of dispersion in accordance with JIS K5400, the particle diameter at which particles begin to appear is 50 μm or smaller; and a lithium secondary battery employing the negative electrode.

The invention relates to an inorganic heat-insulating material and a preparation method thereof. The inorganic heat-insulating material is prepared from the following raw materials in parts by weight: 15-37 parts of basic material, 45-70 percent of pigment and filler and 9-26 parts of auxiliary agent, wherein the basic material comprises the following raw materials in parts by weight: 10-20 partsof phosphoric acid, 3-8 parts of aluminium hydroxide, 2-8 parts of aluminum-silver slurry auxiliary agent, 0.5-5 parts of silicate and 1-5 parts of sodium carboxymethyl cellulose; the pigment and filler is one or a combination of potassium titanate whiskers, expanded perlite, ceramic microspheres, nano-silicon dioxide aerogel, heat-insulating powder, carbon fibers, meerschaum, needle-shaped wollastonite powder and magnesium hydrate; and the auxiliary agent is one or a combination of boron nitride, dichromium trioxide, glass powder, boric acid, nano-zirconia, calcium oxide and calcium-based bentonite. The invention inorganic heat-insulating material has strong insulating capability for solid conductive heat at high temperature (150-500 DEG C) and simultaneously also has strong insulating capability for radiation and flow conductive heat.

The invention provides a modified membrane fabric and a preparation method and application of the modified membrane fabric. The surface of the modified membrane fabric is coated with a polymer or polymer dispersion, and the polymer in the polymer or polymer dispersion may be polysaccharide, polypeptide and protein, may be an artificial polymerized polymer or may be a modified natural high polymer material or a mixture thereof, including but not limited to one or more selected from the group consisting of gelatins (such as gelatin and gelatin hydrolysate), cellulose ethers (e.g., carboxymethyl cellulose and hydroxyethyl methyl cellulose), modified starches (e.g., pullulan and hydroxypropyl starch), PVP, PVA, hyaluronic acids, albumin, chitosan, dextran, Arabic gum, xanthan gum, carrageenan, pectin, konjac gum, agar, Carbomer, carrageenin, polyvinylpyrrolidone, polyacrylamide, polyacrylate and polyacrylic acid and its derivatives. When the modified membrane fabric comes across water in use, the polymer on the surface of the modified membrane fabric can bond with water molecules to form a water retention system which has better retention performance compared with pure water and enables an evaporation speed to be slower and retention performance on the skin to be better.

The invention relates to a denitrifying catalyst and a preparation method thereof as well as a flue gas denitrifying method. The preparation method of the denitrifying catalyst comprises the following steps: mixing, aging, drying and calcining, wherein in the mixing step, ITAC-14-7A, CTAC-115, stearic acid, deionized water, ammonia, lactic acid, glass fiber, wood pulp, water, an ammonium metavanadate solution, carboxymethyl cellulose and polyoxyethylene are mixed by a mixer. The denitrifying catalyst prepared by the method has high-efficiency denitrifying efficiency.

The invention relates to a method for treating lignocellulose raw material through steam explosion and producing biogas, cellulose and lignin simultaneously. The traditional utilization of the lignocellulose raw material only uses a single component and aims to produce a single product, thus the function of each component can not realized and the economic benefit is low. The method in the invention uses the steam explosion technology as a core, wherein hemicellulose, cellulose and lignin are separated from the lignocellulose raw material for high-value use. The method comprises the following steps: performing steam explosion on the lignocellulose raw material; degrading hemicellulose to soluble sugar; extracting soluble sugar with water for biogas fermentation, wherein lignin and cellulose are easy to separate when hemicellulose is removed; extracting high-concentration lignin with low concentration base; and leaving high concentration cellulose when hemicellulose and lignin are removed. The biogas produced by the method has low sulfur content and can be directly used; the extracted lignin can be used to produce resins, adhesives, rubber industry additives and the like; cellulose can be used for papermaking and preparing products such as polyol, carboxymethyl cellulose, cellulose acetate and textile fibre. By adopting the method in the invention, the biomass of lignocellulose can be completely utilized and no pollutant is discharged; and the method is easy for industrialization operation.

The invention relates to a preparation method and application of an environment-friendly lithium ion battery, and in particular relates to a simulated mussel protein environment-friendly lithium ion battery adhesive. By simulating the molecular structure and action mechanism of mussel protein, histidine and dopamine are connected to polyacrylic acid, polymaleic acid, sodium alginate, sodium carboxymethylcellulose, carboxymethyl chitin, carboxymethyl chitosan, abietic acid and other natural or synthesized polymer to prepare a series of aqueous adhesives. The adhesive has a good adhering effect for various cathode materials such as carbon black, graphite and silicon. By adopting the adhesive provided by the invention, various properties of a lithium ion battery can be obviously improved, and especially cycle property of a silicon cathode material in a battery can be obviously improved.

The invention concretely relates to a novel tailing consolidator which uses fine powder ground from blast furnace water quenching slag as a main raw material and a preparation method of the consolidator. The consolidator is characterized in that the consolidator comprises, by mass concentration, 9 % to 17.54% of portland cement clinker, 10% to 17.54% of anhydrite, 6% to 10% of quicklime, 0.2 to 6 thousandths of Na2SO4, 0.2 to 0.5 thousandths of carboxymethyl cellulose, 5% to 10% of coal ash and 43.65% to 69.96% of the fine powder ground from the blast furnace water quenching slag. Each above component is dried by a dryer, put in a mixer to be evenly stirred, and conveyed to a bowl mill by a belt conveyer to be ground. The blast furnace slag discharged from a smeltery is used as the main raw material in the invention to reduce the cost and solve slag processing, so the consolidator has the advantages of low production cost, simple processing, and agile and convenient usage. A usage amount of the consolidator in the present invention is half or less than the usage amount of common cement under the same conditions with the same backfilling intensity.

The invention relates to non-woven fabrics containing carboxymethyl cellulose fibers and a purpose of the non-woven fabrics containing the carboxymethyl cellulose fibers in a beauty mask substrate. The non-woven fabrics are composed of the carboxymethyl cellulose fibers or composed of the carboxymethyl cellulose fibers and any one kind of calcium alginate fibers, chitin fibers, chitosan fibers and modified chitosan fibers, wherein the content of the carboxymethyl cellulose fibers is 1%-95% of the weight of the non-woven fabrics. The invention further provides non-woven fabrics which are composed of the carboxymethyl cellulose fibers and any two kinds of the calcium alginate fibers, the chitin fibers, the chitosan fibers and the modified chitosan fibers, wherein the content of the carboxymethyl cellulose fibers is 1%-95% of the weight of the non-woven fabrics, and the weight ratio of the any two kinds of fibers is 1:8-8:1. The non-woven fabrics are strong in hygroscopicity, strong in moisture retention, strong in oxygen permeability, and have good biological compatibility, and are convenient to use, and safe and non-toxic.

The invention discloses a power energy storage polymer lithium ion battery. The power energy storage polymer lithium ion battery comprises a positive plate, an isolating membrane, a negative plate, electrolyte, tabs and an aluminum plastic film. The battery is formed by connecting two battery cells in parallel; the two battery cells contain double tabs, and interiors of double cores of the double tabs are connected in parallel to form a winding structure. High-viscosity molecular-scale superfine disperse lithium ion battery anode and cathode paste is prepared through three-time high-speed stirring; the anode paste comprises the following main components: polyvinylidene fluoride, a nano composite conductive agent, an anode material nickel cobalt lithium manganate and an anode material lithium iron phosphate; the cathode paste comprises the following main components: sodium carboxymethylcellulose, styrene butadiene rubber, a nano composite conductive agent and synthetic graphite. The battery is high in rate performance and has good cycle performance and low-temperature performance; by adoption of the parallel winding structure inside the double cores of the double tabs, the internal resistance of the battery can be reduced, the battery has extremely high production efficiency, and the production cost of the battery is reduced.

The invention relates to the field of papermaking and discloses a preparation method of hydrophobic oilproof paper. The preparation method includes: 1), making body paper: soaking bleached softwood chemical pulp, and pulping; mixing the bleached softwood chemical pulp, carboxymethyl cellulose, bacterial cellulose and dissolving pulp, making handsheet, and drying to obtain the body paper; 2), dissolving a natural polyhydroxy high molecular material in water, stirring, heating, holding temperature until a system is transparent, stirring, cooling to room temperature to obtain coating liquid, andcoating; 3), drying the body paper after being precoated, using an acyl chloride solution to treat the surface of the body paper, and drying to obtain a finished product. The problem that paper is porous is solved by means of coating the surface of the paper with the polyhydroxy high molecular material which is natural and easy to degrade, and an acyl chloride compound not containing fluorine is used to replace fluorine-containing polymer to endow the paper with hydrophobicity and oilproofness, so that environment friendliness is realized. In addition, paper prepared by the method has good strength performance and printability.