392results about How to "No added" patented technology

The invention discloses a method for catalytic oxidizing NO with a ZSM-5 type molecular sieve as catalyst, which uses an H type, a Na type and the ZSM-5 type molecular sieve exchanged with, metallic ion as catalyst and uses the O2 in aerobic NOx exhaust gas as oxidant to oxidize the NO in the aerobic NOx exhaust gas into NO2 under the condition of 0-100 DEG C; the moisture content of the aerobic NOx exhaust gas is counted as 0 percent to 100 percent according to the relative humidity at ambient temperature. The Si/A1 rate of the ZSM-5 molecular sieve is no less than 30 to full silicon, which is provided with good low temperature catalytic activity and hydrophobicity and still can keep good catalytic activity when the relative humidity reaches 100 percent, thus solving the difficult problems of bad water-resistant performance and high activity temperature in traditional NO oxidation catalyst, which is especially suitable for NOx desorption of low temperature emission source of aerobic exhaust gas. At the same time, the method has the advantages of simple operation and low cost, which has good promotional value.

The invention relates to the field of halogen-free flame-retardant electric wire cable shield materials, in particular to a flexible halogen-free flame-retardant polyphenyl ether electric wire cable shield material and a preparation method thereof. The flexible halogen-free flame-retardant polyphenyl ether electric wire cable shield material is characterized by comprising the following raw materials in percentage: 10 to 30 percent of polyphenyl ether resin; 15 to 35 percent of styrene elastomer; 5 to 10 percent of polyolefin; 8 to 15 percent of plasticizing agent; 3 to 8 percent of compatilizer; 15 to 25 percent of main flame retardant; 2 to 8 percent of synergistic flame retardant; 2 to 8 percent of smoke suppressant; 0.5 to 1 percent of lubricant; 0.5 to 1 percent of antioxygen; and 2 to 3 percent of masterbatch. The flexible halogen-free flame-retardant polyphenyl ether electric wire cable shield material has favorable mechanical property, flexibleness, flame retardant property, heat resistance and processability.

The present invention provides a perfect compound feed for fish, shrimp mouth opening, adapted for feeding young fish and shrimp in the mouth opening period. The feed is prepared by using fish meal, swelling soya dregs, hydrolyzed protein, squid meal, shrimp shell meal, brewers' yeast, Artemia, copepods, casein, fish oil, soybean meal lecithin, DHA, EPA, bread flour, kelp powder, complex mineral salt, complex vitamin, complex enzyme, complex immunopotentiator and complex microbial ecological agent as raw materials. The digestive and physiological characters of the young fish and shrimp period are considered, hydrolyzed protein and additive are added in the feed, thereby achieving the actions of accelerating digestion and absorption of young fish, shrimp, adjusting intestinal flora stability of young fish and shrimp, improving immunity and anti-stress capability of young fish and shrimp, the feed has balancing nutrition, without adding any medicine such as antibiotic etc, having no pollution to water, belonging to high effective, environment protecting feed without pollution.

The invention discloses a fire-resistance enhancing polypropylene material and a preparing method for the polypropylene material. The material comprises the following components and portions by weight: PP resin 100, halogen-free expanding fire retardant 50-75, enhancing modifier 15-75, and antioxidant 0.2-1.0, wherein, the fire retardant is a self-prepared built halogen-free expanding fire retardant, formed by physically mixing N-P fire retardant and polyorganoxiloxane in 1:0.1-1:0.3 by weight. The invention complexes N-P fire retardant of high fire resistance with a flame-resisting assistant, namely organic silicon, and improves the OI value of material. The product from the material will not frost on surface when storing for a long time, and 5-30% talcum powder or glass fiber can be added, so the invention thoroughly solves the shortcoming of prior product that the surface will frost if storing for a long time and no mineral filler can be added to increase the material strength, truly realizes halogen freedom, environmental friendliness, high strength and usability for a long term. The preparing process of the fire-resistance enhancing polypropylene is simple without adding any complex equipment.

The invention discloses an ABS/PBT alloy material and a preparation method thereof. The ABS/PBT alloy material comprises the following ingredients in parts by weight: 64 to 76 parts of ABS, 14 to 24 parts of PBT, 3 to 6 parts of flexibilizer, 2 to 5 parts of bulking agent, 0.5 to 1 part of lubricant, 1 to 2.5 parts of scratch-resistant agent, and 0.4 to 0.8 part of anti-oxidant. The tenacity of an ABS basis material is enhanced by adding the PBT; the defect that the dual structure of ABS/PBT is unstable is overcome by adding the bulking agent, so that two types of matrix resins can be compatible to each other better; the scratch resistance of the alloy material is improved by adding the scratch-resistant agent, so that excellent physical comprehensive performance is obtained. The preparation method mainly comprises two steps of mixing and melt extrusion, so that the process is simple, no additional complex equipment is required, the cost is low, the performance of the composite polymer material is improved, and suitability for industrial production is realized.

The invention discloses a preparation method of thiol-modified graphene. The preparation method of the thiol-modified graphene comprises the following steps: adding graphite oxide and alkylamine with thiol at one end in a reaction solvent and stirring for reaction to obtain thiol-modified graphite oxide, wherein the mass ratio of the graphite oxide to the alkylamine is 1:(0.01-10.0) and the reaction temperature is 0-90 DEG C and the reaction lasts for 0.1-72 hours; adding the thiol-modified graphite oxide and a reducing agent to a reaction solvent and stirring for reaction to obtain a thiol-modified graphene solution, wherein the reaction temperature is 0-90 DEG C and the reaction lasts for 0.1-72h; and washing and drying the thiol-modified graphene to obtain solid powder of the thiol-modified graphene. According to the preparation method of the thiol-modified graphene, disclosed by the invention, the process method is simple and quick, reaction conditions are tender and environment-friendly, the raw materials are cheap and easy to get, no catalyst is needed, the prepared thiol-modified graphene has good dispersity in an organic solvent, and the preparation method of the thiol-modified graphene can be widely applied to the field of preparation of novel nano composite materials, preparation of novel electrochemical electrodes, as well as novel optical and conductive materials and the like.

The invention discloses a method for producing metallic nanomaterials through femtosecond lasers. According to the method, the lasers are used for directly irradiating metallic salt solution, thus obtaining the metallic nanomaterials with different shapes, wherein the time for laser irradiation is 1-3600 seconds, the average power of the incoming lasers is 5mW-400mW, and the concentration of the metallic salt solution is 1m mol/L-1mol/L. The method is simple and convenient, and does not need any reducing agent or surface active agent; and moreover, reaction conditions are simple and easy to control and are environment-friendly. The shapes and sizes of the produced metallic nanomaterials can be controlled, and the produced metallic nanomaterials can be applied to the fields of catalysis, electrochemistry, surface raman reinforcement or biomedicines and the like.

The invention discloses a two-dimensional nickel and cobalt MOFs (metal organic frameworks) nano-sheet and an application of the nano-sheet to glucose detection. The two-dimensional nickel and cobalt MOFs nano-sheet is synthesized on substrates such as nano-porous gold needles, carbon paper and gold sheets by a one-step hydrothermal method from bottom to top, serves as an electrode and is applied to a non-enzyme electrochemical glucose sensor. A two-dimensional nickel and cobalt MOFs nano-sheet material has the advantages that more active sites are exposed, nickel and cobalt are cooperated, charge transfer capacity is high and the like relative to a traditional spherical polyhedral MOFs material, so that glucose sensing properties of the nano-sheet material is effectively improved.

The invention discloses a method for preparing nanometer hole graphene in a heat contact mode. The method is characterized in that the nanometer hole graphene is obtained in the manner that graphene oxide aerogel or graphene oxide paper or other dry graphene oxide products make direct contact with a heating source at the relatively low temperature to be spontaneously burnt, expanded and reduced. The graphene oxide aerogel and other dry graphene oxide products serve as materials for preparing the graphene and make direct contact with the heating source under the air atmosphere, spontaneous burning and expanding are generated in the short several seconds, most part of oxygen-containing functional groups are removed rapidly in the form of gas, holes are formed in the defected positions, and therefore the graphene with the large specific surface area and the nanometer holes can be rapidly and efficiently prepared on a large scale.

The invention relates to a copolymer of methyl methacrylate and acrylic acid esters, in particular to an acrylic acid ester promoter for polyvinyl chloride use. The acrylic acid ester promoter has an average molecular weight of 9,000,000-11,000,000, and is obtained by emulsion polymerization from the following substances by mass parts: 10-30 parts of styrene, 40-90 parts of methyl methacrylate, 5-30 parts of butyl acrylate, 0-10 parts of alpha-methyl styrene, 0-30 parts of ethyl acrylate, 0-30 parts of acrylonitrile, 0-20 parts of 2-ethylhexyl acrylate, and 0-20 parts of vinyl acetate. The invention also discloses a preparation method of the acrylic acid ester promoter and application of the acrylic acid ester promoter in a polyvinyl chloride process and foamed products. The acrylic acid ester promoter has rapid plasticizing speed, good melt fluidity, enough melt intensity, and enough later-period plasticizing ability in the polyvinyl chloride process.

The invention relates to an oil control and acne removal composition and an application thereof. The oil control and acne removal composition comprises, by weight, 2-25 parts of water-soluble polyurethane, 5-25 parts of kaolin, 1-5 parts of titanium dioxide, 3-10 parts of dipropylene glycol, 0.1-1 part of zinc pyrrolidone carboxylate and 1-5 parts of an anti-acne active substance. A polyurethane-containing mud film is produced by adopting the aqueous polyurethane as a film forming component and selecting the dipropylene glycol as a film forming assistant, the kaolin controls oil through externally adsorbing the oil, and octanoylglycine, sarcosine, Cinnamomum zeylanicum bark extract and zinc salt of strong acid of pyrrolidone can inhibit the oil secretion through inhibiting 5alpha-reductase, so the composition can effectively inhibit acne propionibacteria of acne skins and effectively restore acnes on oily skins.

The invention discloses a preparation method for an electrode MnO2@Ni-Al LDH composite material of a super capacitor. The method comprises the following steps that (1) nickel foam is pretreated; (2) the pretreated nickel foam is dried in a vacuum environment at the temperature of 50-60 DEG C till the weight of the nickel foam is constant; (3) potential-constant deposition is carried out by utilizing a three-electrode system of an electrochemical work station; and (4) the deposited nickel foam is washed by deionized water, and then dried in the vacuum environment at the temperature of 50-60 DEG C till the weight is constant. Compared with the prior art, the LDH base material can modify the electrode directly in the solution in the electrochemical synthesis method, the modification time is short, addition of a binder is not needed, and the deposition material can be firmly combined with a substrate. The prepared composite material is uniform in size, high in activity and efficiency, low in cost, short in production flow and convenient to produce, and the super capacitor prepared from the composite material is excellent in the electrochemical performance and very long in service life.

The invention relates to an online simultaneous monitoring sensor and an online simultaneous monitoring method for COD (Chemical Oxygen Demand) and nitrogen content of nitrate. The online simultaneous monitoring method is characterized by comprising the following steps: absorbing characteristics of ultraviolet light by using substances to be detected in water based on a Lambert-Beer principle and establishing a relation of absorbance and concentration of the substances to be detected; establishing a linear relation by using an absorbance value of a water sample at 254nm part and a chemical oxygen demand concentration value of the water sample; and establishing a linear relation between the absorbance value of the water sample at 210nm part and the nitrogen content of the nitrate. The monitoring method comprises two steps of calibrating the sensor and testing the water sample; and the measurement range on the chemical oxygen demand of the sensor provided by the invention is 0mg/L-50mg/L and the measurement range on the nitrogen of the nitrate is 0mg/L-7mg/L. The obvious superiority is displayed and the sensor can be directly put into water to measure so as to meet the detection requirements of a common water body.

The invention relates to a microbiological treatment agent for poultry feeding padding. The invention is characterized in that the selected compound microbial community is obtained through two levels of fermentation process which are the liquid rapid culture and the solid enlarged culture respectively; the inducible enzyme is added during the fermentation process simultaneously; the number of beneficial live bacteria reaches 3 billion/g; and the vector which can absorb the odor of poultry feces is added in the culture material. All applied bacteria strains are the allowable additional strains approved by 685 announcement of National Agriculture Department; the beneficial bacteria is capable of degrading the organic compounds in the poultry feces, reducing the contents of a plurality of gases, such as methane, organic acid, various alcohols, ammonia, vinyl alcohol and hydrogen sulfide and decreasing more than 60 percent of the ammonia. The invention also effectively keeps the N, P, K and organic nutrients in the poultry feces, which enhance the effect of fertilizers. The invention is a safe and green microecology deodorization agent.

The invention discloses a high-light-transmission pure amino-acid self-thickening soft cleansing gel, which is characterized by being composed of the following raw materials: potassium cocoyl glycinate, potassium n-lauroylsarcosinate, sodium lauroyl sarcosine, potassium lauroyl taurine, sodium cocoyl malic amino-acid salts, sodium lauroyl oat amino acids, palmitoyl hydrolyzed wheat proteins, dipotassium glycyrrhizate, trimethylglycine, glycerin, sodium citrate, sodium chloride, plant essential oil and purified water, and high-consistency products are efficiently prepared by using a conventional equipment according to a cooling method. According to the invention, deficiencies in the prior art are overcome, the pure amino-acid self-thickening soft cleansing gel which is provided by the invention is convenient to prepare, good in stability, dense in foam, comfortable in skin feeling and looks shining bright and is free of preservatives; and if products are taken into the human body by accident, because body metabolic intermediate and final products of the cleansing gel are in the range of foods, so that the health is not damaged.

The process of producing nanometer soybean protein powder includes the first pre-treatment on soybean protein with colloid mill and low pressure homogenizer to obtain homogeneous soybean protein isolate solution, the subsequent heat treatment and ultramicro crushing in a dynamic ultrahigh pressure homogenizer, and final spray drying to obtain ultimate product. The present invention has the positive effects of capacity of producing nanometer soybean protein powder with good taste, easy eating and easy digestion, simple production process and easy industrial application.

The invention discloses a modified soybean-base wood adhesive and a preparation method thereof. The adhesive is prepared from the following raw materials in parts by weight: 120 parts of water, 10 to 45 parts of degreased bean powder, 0.5 to 2 parts of modifier, 10 to 30 parts of cross-linking agent, 10 to 20 parts of diluting agent, 1 to 3 parts of curing agent and 0. 5 to 2 parts of mildewproof agent. The preparation method comprises the following steps: adding water and the modifier into a reaction apparatus, heating to 60 DEG C, slowly adding the degreased soybean powder, and rapidly stirring at the same time; after the degreased bean powder is added, preserving the heat for 60 minutes, then cooling to the room temperature, thus obtaining soybean albumin glue emulsion; mixing the cross-linking agent, the curing agent, the diluting agent and the mildewproof agent, uniformly stirring until the agents are completely dissolved, then blending with the soybean albumin glue emulsion, and stirring for 30 to 60 minutes, thus obtaining a product. The preparation process is simple, good in controllability, easy in industrialized mass production, free from the emission of formaldehyde, good in bonding strength, and high in water resistance, and an anticorrosion and mildewproof function can be achieved.

The invention provides an ultraviolet-curable extinction resin which is obtained by reacting poly-1,4-butanediol esterdiol, trimethylolpropane, hydroxyl silicone oil, phenol thioether, diisocyanate and hydroxyl-terminated acrylate under the action of a catalyst and an inhibitor. The ultraviolet-curable extinction resin has a good extinction effect without adding extinction powders as phenyl sulfide and siloxane structures are introduced to the main chain structure of the ultraviolet-curable extinction resin provided by the invention and the group refraction coefficients of the phenyl sulfide and siloxane structures make a great difference. At the same time, the ultraviolet-curable extinction resin has good pollution resistant property as the siloxane structure is introduced into the main chain structure. The experimental results show that the vancometer adopted by the ultraviolet-curable coating prepared by the ultraviolet-curable extinction resin provided by the invention enters at 60 degrees with the glossiness of 8GU, and no imprinting is left by wiping 10 minutes later after a 3M marking pen writs on the ultraviolet-curable coating.

The invention discloses flavored fermented milk which comprises the following raw materials: raw milk, white granulated sugar, edible flower sauce and probiotics. A method for preparing the flavored fermented milk comprises the following steps: (1) defatting: performing centrifugal defatting treatment on the raw milk and introducing separated watery cream into a temporary storage tank for standby; (2) fermenting: sterilizing and then fermenting the defatted raw milk in the step (1); (3) homogenizing and sterilizing: adding the white granulated sugar into the watery cream obtained in the step (1), homogenizing and then sterilizing; (4) whey removal: demulsifying a fermentation solution obtained in the step (2) and then performing whey removal treatment; (5) filling: uniformly mixing the sterile watery cream added with the sugar and the fermentation solution subjected to whey removal, adding sauce ingredients to fill, conducting after-ripening after temperature reduction and preparing the flavored fermented milk. The flavored fermented milk disclosed by the invention has the advantages that the prepared flavored fermented milk is high-protein flavored fermented milk, opens up a new taste and is not added with a food additive, so that not only are purely natural raw material ingredients ensured, but also no nutritional ingredient is lost.

The invention discloses an automatic sampling system for logging rock waste. The system comprises a control system and a sampling pump used for extracting drilling mud containing stratum rock waste. The sampling pump is connected with a power device used for separating rock waste from mud. The power device is connected with a rock waste cleaning device. A mud collection box is arranged below the power device. The sampling pump, the power device and the rock waste cleaning device are connected with the control system. According to the system, stratum rock waste can be automatically gained, separation and cleaning of rock waste and mud are automatically achieved, representative rock waste is rapidly and continuously obtained, logging sand gaining time is shortened, the labor cost of logging operation is saved, the rock waste logging data quality and rock waste collection precision are improved to the largest degree, the rock waste section coincidence rate is improved, influences of manual operation are reduced, the work intensity of logging data collection staff is lowered, and working efficiency and accuracy are improved; the number of logging on-site operation staff is reduced, the employment risk and the labor intensity are lowered, and high automation of logging work is achieved.

The invention relates to a method for producing high-quality copper sulfate through low-pressure oxygen leaching of copper slag. A copper-bearing material with metallic copper or cuprous oxide content greater than 15wt% serves as a raw material, and the method comprises the steps of copper slag or spongy copper slag pickling of zinc hydrometallurgy. A dilute sulphuric acid solution is adopted for low-pressure oxygen leaching of the raw material, an obtained leachate is subjected to combined crystallization including cooling crystallization and salting-out crystallization, a copper sulfate crystal is obtained after liquid-solid separation, and dried after multistage washing, and copper sulfate meeting requirements of above a premium grade specified in YS/T 94-2007 is obtained.