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56results about How to "Improve compound effect" patented technology

Injection molding device and injection molding method of online mixing and preparing high-performance microcellular foaming plastic

The invention discloses an injection molding device and an injection molding method of online mixing and preparing high-performance microcellular foaming plastic. The device comprises an extrusion foaming unit, a supercritical fluid transportation unit and an injection foaming unit. A constant temperature box and a granulator are arranged at the output end of the extrusion foaming unit. A discharge port of the granulator is connected with the injection foaming unit. The supercritical fluid transportation unit is respectively connected with the extrusion foaming unit and the injection foaming unit through pipelines. The outlet end of the injection foaming unit is connected with a mold cavity. The method is that materials and supercritical fluid are plasticized, fused, mixed and extruded inside the extrusion foaming unit, strip-shaped stuff is formed after initial foaming, cooled and set, and then granulation is carried out by the granulator to form polymer foaming granules with high entrapped air. The polymer foaming granules are sent into the injection foaming unit and plasticized, fused and mixed with the supercritical fluid, then injected into the mold cavity to carry out second foaming, and the high-performance foaming product is formed.
Owner:SOUTH CHINA UNIV OF TECH

Preparation method of modified chitosan papermaking sizing agent

The invention relates to a preparation method of a modified chitosan papermaking sizing agent, and belongs to the technical field of papermaking. According to the preparation method, sodium periodateis utilized to selectively oxidize chitosan for forming aldehyde groups, the compounding performance with other natural biopolymers is enhanced, crosslinking with anhydride pre-modified collagen is carried out through a Schiff base reaction, and a reaction with -OH of paper cellulose is carried out for forming covalent bonds, so that paper has stronger waterproof performance, and the waterproof performance of the papermaking sizing agent is effectively improved. In addition, the prepared papermaking sizing agent is environmentally friendly and easily biodegradable, and can be compounded and used with other synthetic papermaking sizing agents, so that the sizing effect is increased while the environmental pollution is reduced. The cation property in the sizing agent provided by the invention enhances the binding force with ink, and remarkably improves the printing quality of paper and the water washing resistance of printing ink. Compared with polyvinyl alcohol size press coated paper,the size press coated paper treated with the sizing agent has reduced water washing chromatic aberration of paper printing, increased printing color lump density, and excellent tone reproduction of print products.
Owner:戴琪

Molten iron full-domain stirring and desulfurization stirrer and using method thereof

The invention discloses a molten iron full-domain stirring and desulfurization stirrer. The stirrer comprises a stirring shaft, a stirrer connecting flange, upper-layer stirring blades and lower-layerstirring blades, each upper-layer stirring blade and each lower-layer stirring blade each comprises a stirring blade core and a stirring blade core fire-resistant pouring material lining, each upper-layer stirring blade is a left-rotated spiral blade rotating in the same direction as the stirring direction, each lower-layer stirring blade is a right-rotated spiral blade rotating in the directionopposite to the stirring direction, and the lower-layer stirring blades and the upper-layer stirring blades are arranged at the same circumferential angle in the circumferential direction of the stirring shaft or are arranged in a front-back equal-angle staggered angle mode. Through the double-layer stirring blade structure arranged up and down, the arrangement distance of the stirring blades in the length direction of the stirring shaft is greatly increased, the stirring depth and the effective stirring area of the stirrer on the molten iron in a molten iron ladle are expanded, stirring of the molten iron at the bottom of the molten iron ladle and stirring, mixing and mass transfer of the full-domain molten iron are remarkably enhanced, and the dynamic conditions of the full-domain molteniron stirring and desulfurization reaction are greatly improved.
Owner:武汉钢铁有限公司

Cultivating method of rice

The invention discloses a cultivating method of rice. The cultivating method comprises the following steps: a: pre-treating a seed bed; b: soaking seeds by adopting a diethyl aminoethyl hexanoate solution for accelerating germination after the seeds are dried in the sun; c: sowing the seeds, spraying the diethyl aminoethyl hexanoate solution, and watering until a culturing layer is loosen and soft; d: applying a fertilizer, a herbicide and a pesticide after the culturing layer is covered with soil; e: spraying an aliette solution for preventing diseases and applying urea before transplanting; f, applying the diethyl aminoethyl hexanoate solution, the fertilizer, the herbicide and paclobutrazol after the transplanting is completed; g: observing seedlings after half a month, and applying the diethyl aminoethyl hexanoate solution and the fertilizer appropriately; h: when young ears start to differentiate, applying the diethyl aminoethyl hexanoate solution and the fertilizer; i: after the full heading and the flowering of the rice, applying the diethyl aminoethyl hexanoate solution, the urea, the herbicide and a superphosphate solution. According to the method, the diethyl aminoethyl hexanoate serves as an auxin, and can be compounded and used with the elements, such as the herbicide, so that the synergistic effect of farm chemicals is improved; the waste is reduced; the quality of the rice is improved; auxins with different concentrations are applied according to the growth conditions during different periods of the rice; the culturing time of the rice is shortened.
Owner:TAICANG YAFENG FARM PROFESSIONAL COOP

Scale-inhibiting dispersant for industry recirculated cooling water process and preparation thereof

A dirt dispersion agent for the industrial circulating cooling water treatment and a method for the production thereof are disclosed, the invention belongs to the chemical product technique field and is used for solving the problem of improving the scale inhibition and dispersion capabilities. The dirt dispersion agent has the technical proposal that the agent is copolymerized by three monomers of maleic acid, maleic acid monoester and acrylic acid, and the mole ratio of the three monomers of maleic acid, maleic acid monoester and acrylic acid is 2: 1-1.5: 0.5-1. The method of preparation of the invention comprises steps of esterification, copolymerization, etc.. The invention synthesizes a maleic acid-maleic acid monoester-acrylic acid terpolymer based on a maleic acid-acrylic acid copolymer of the prior art, the terpolymer has advantages of high effective constituent content and strong scale inhibition and dispersion capabilities as the dirt dispersion agent, and can effectively chelate Zn2+, and the terpolymer is in a dissolved state under rather high alkalinity, and can be used as the dirt dispersion agent of calcium carbonate and calcium sulphate in the industrial circulating cooling water treatment, and the scale inhibition rate can reach over 95 percent.
Owner:HEBEI ENERGY RES INST

Biological latex used for papermaking and preparation method thereof

The invention discloses biological latex used for papermaking and a preparation method thereof, and belongs to the field of coatings. Glutinous rice starch is taken as a raw material, the characteristic that cyanogroup on the surface of the starch is easy to react with organosilane is used, the quantity of surface hydroxyl groups is reduced, the hydrophobic property is strengthened, and the waterresistance after the biological latex is used for paper surface is improved; the starch after hydrophobic modification is added into environmentally-friendly triethyl citrate and glycerol to be mixedfor carrying out plasticized modification, so that the coating performance of a base material is improved, simultaneously, the addition of a part of petroleum base latex can be replaced, the resourcesare saved, and the purpose of environmental protection is achieved; tetraethoxysilane is taken as a raw material, the toughening improvement performance of the latex is improved, the biological latexis unlikely to embrittle after drying, and the mechanical property of the coating is improved; 1,2-benzisothiazoline-3-one and ammonia water are added for forming a conservation activator for the biological latex, so that the performance of the latex is improved, the latex is prevented from losing efficacy, and the biological latex has an anti-aging effect. The biological latex solves the problemthat paper becomes embrittled and low in ink absorbency after the biological latex is used at present.
Owner:FOSHAN SENANG BIO TECH CO LTD

Ternary compound sterilizing composition containing trifloxystrobin and application of sterilizing composition

The invention relates to a ternary compound sterilizing composition containing trifloxystrobin and application of the sterilizing composition. The ternary compound sterilizing composition comprises an active component, and auxiliary components of pesticide preparations, wherein the active component is compounded by the trifloxystrobin, prothioconazole and carbendazim according to the weight ratio of (0.1-1): (0.1-1):1. The ternary compound sterilizing composition has the advantages that since the trifloxystrobin, the prothioconazole and the carbendazim are compounded according to the specific proportion, an obvious synergistic interaction effect is obtained; and compared with a sterilizing composition subjected to two-component compounding, the ternary compound sterilizing composition has an expanded bacteriocidal spectrum and has the special effect for diseases such as leaf spot disease, downy mildew, scab and anthracnose of fruit trees, vegetables and cereal crops. In addition, proved by many experiments, the toxicity to mammals is not increased after compounding. An applicant further discovers that the compounding effect of the active component can be further enhanced by means of specific wetting dispersants and dispersing wetting agents, and the synergistic action can be played at the most extent.
Owner:JIANGSU SEVENCONTINENT GREEN CHEM CO LTD

Modified seaweed functional water-soluble fertilizer and preparation method thereof

The invention belongs to the field of fertilizers, and particularly relates to a modified seaweed functional water-soluble fertilizer and a preparation method thereof. The fertilizer comprises the following components: 8-51% of a nitrogen fertilizer, 8-40% of a phosphorus fertilizer, 20-78% of a potassium fertilizer, 0.1-0.2% of a trace element fertilizer, 2-4% of seaweed, 0.1-0.2% of an AT modifier, and 0.1-0.2% of a stabilizer, wherein the AT modifier is prepared by compounding organic acids and alkylphenol ethoxylates. According to the invention, a scheme of mixing alkaline seaweed with macroelements, medium elements and trace elements is adopted, so that the problem of acid-base mixing between seaweed and a macroelement water-soluble fertilizer is solved, organic nutrients and inorganic nutrients are combined, the growth of crops can be activated during fertilization, the growth vigor of the crops is improved, and the quality and yield of the crops are improved; meanwhile, the organic nutrients also have an improvement effect on the soil, and rich absorbable organic nutrients are provided, so that the seaweed and the macroelement, medium element and microelement water-soluble fertilizers have a mutual synergistic effect.
Owner:青岛埃图生物科技有限公司

Method of preparing composite micro-ecological powder for feed through flash evaporation and drying

The invention relates to a method of preparing composite micro-ecological powder for a feed through flash evaporation and drying. The method comprises the following steps: (1) respectively preparing concentrated bacillus licheniformis liquor and concentrated enterococcus faecium liquor through liquid state fermentation; (2) uniformly mixing the concentrated bacillus licheniformis liquor and the concentrated enterococcus faecium liquor obtained in the step (1) in the mass ratio of the concentrated bacillus licheniformis liquor to the concentrated enterococcus faecium liquor being 1: 1 so as to obtain mixed bacterium liquor; (3) adding sorbitol of which the mass accounts for 4-6% of that of the mixed bacterium liquor, trehalose of which the mass accounts for 4-6% of that of the mixed bacterium liquor, soybean isolated protein of which the mass accounts for 15-20% of that of the mixed bacterium liquor, and carboxymethyl cellulose sodium of which the mass accounts for 0.5-1.5% of that of the mixed bacterium liquor, to the mixed bacterium liquod obtained in the step (2), and then adding soft materials of which the solid content is 60-70%, wherein the soft materials are made of corn starch; and (4) performing flash evaporation and drying on the soft materials obtained in the step (3) so as to obtain the composite micro-ecological powder. According to the method disclosed by the invention, through a method that concentrated probiotic liquor is mixed and then the mixed concentrated probiotic liquor is dried, the compounding effect of probiotics is improved; through a method of adding carriers such as corn starch and sorbitol for flash evaporation and drying, the mortality rate of the probiotics in the drying process is reduced, so that the production cost is reduced, and the economic benefits are improves.
Owner:LINZHOU SINAGRI YINGTAI BIOLOGICAL PEPTIDES CO LTD

Environment-friendly water reducer compounding device

The invention discloses an environment-friendly water reducer compounding device, which comprises an outer tank body and an inner tank body, wherein a sealing cover is movably arranged on the outer surface of the upper end of the outer tank body, and a base is fixedly arranged on the outer surface of the lower end of the outer tank body; a motor is fixedly arranged on the outer surface of the front end of the base, and support legs are fixedly arranged on the outer surface of the lower end of the base; a support is movably arranged on the outer surface of the outer tank body, and a control mechanism is fixedly arranged at one side of the outer surface of the back end of the outer tank body; a protecting shell is fixedly arranged on the outer surface of one side of the outer tank body. Theenvironment-friendly water reducer compounding device provided by the invention is provided with a flow control valve, a water absorption sponge, an electric brush and a sample detection chamber, hasthe advantages of controlling the flow rate of a water reducer entering into the device, soaking stains difficult to remove on the inner wall of the tank body while cleaning the inner wall of the tankbody, and also detecting the compounding effect of the water reducer, and is suitable for different working conditions, thus bringing better application prospects.
Owner:江门华迪光电科技有限公司
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