150results about How to "Good heat storage stability" patented technology

The invention provides a pyrazosulfuron-ethyl, clomazone and butachlor compound dispersible oil suspension concentrate and a preparation method thereof, relating to the technical field of control of weeds in direct sowing paddy fields. The pyrazosulfuron-ethyl, clomazone and butachlor compound dispersible oil suspension concentrate is prepared from 2 parts of pyrazosulfuron-ethyl, 8 parts of clomazone, 60 parts of butachlor, 2 parts of fatty alcohol-polyoxyethylene ether, 3 parts of styrylphenol polyoxyethylene ether, 2 parts of xanthan gum, 1 part of sodium benzoate, 2 parts of organic silicon and 20 parts of solvent oil by weight. The preparation method is characterized by pumping the raw materials into a preparation kettle, mixing and stirring the raw materials, then carrying out primary milling with a colloid mill, then finely milling with a sand mill, carrying out sampling analysis, and filtering, metering, packaging and warehousing after samples are qualified. The pyrazosulfuron-ethyl, clomazone and butachlor compound dispersible oil suspension concentrate achieves better control of annual grassy weeds, cyperaceous weeds and part of broadleaf weeds in the direct sowing paddy fields, and achieves united synergy of pyrazosulfuron-ethyl, clomazone and butachlor, thus achieving obvious synergistic effects; therefore mixing pyrazosulfuron-ethyl, clomazone and butachlor to control the annual grassy weeds, the cyperaceous weeds and part of the broadleaf weeds in the direct sowing paddy fields is feasible and is also necessary.

The invention discloses flame retarding asphalt composition for roads and preparation method thereof. The flame retarding asphalt composition for roads comprises the following components in parts by weight: 100 parts of matrix asphalt, 2-5 parts of bromine series flame retardant, 5-15 parts of chlorine series flame retardant, 0-20 parts of compatilizer and 0.3-0.5 part of coupling agent. The flame retarding asphalt composition has good flame retarding property and stable heat storage property and can meet the requirement on producing flame retarding asphalt in an industrialization mode. An up and down solubility difference of a heat storage and separation test of the flame retarding asphalt mixture is not larger than 2.0 percent, the product quality is stable, and the preparation method is simple.

The invention discloses a preparation method of a naphthalene sulfonate-alkyl naphthalene sulfonate-formaldehyde condensate. The preparation method comprises the following steps: firstly enabling naphthalene and an alkylation reagent to generate a mixed solution of naphthalene and alkyl naphthalene under the catalysis of sulfuric acid; then adding sulfuric acid into the mixed solution of naphthalene and alkyl naphthalene, and performing the sulfonation reaction; and adding formaldehyde, performing the one-pot condensation, and preparing thea naphthalene sulfonate-alkyl naphthalene sulfonate-formaldehyde condensate. By adopting the preparation method, the naphthalenesulfonic acid and alkyl naphthalene sulfonate do not need to be prepared independently, and the operation is simple; the wasteacid does not need to be removed, no acidic waste water is produced, and safety and environmental protection can be realized; and the prepared naphthalene sulfonate-alkyl naphthalene sulfonate-formaldehyde condensate is used as a dispersing agent to be applied to pesticide water dispersion granules or suspension, and has higher suspension rate and better heat storage stability.

The invention relates to the field of pesticide preparations and discloses a nitenpyram soluble granula and a preparation method thereof. The nitenpyram soluble granula consists of the following components in percentage by mass: 1%-70% of nitenpyram, 1%-10% of a wetting agent, 1%-10% of a synergist and the balance of filler, wherein the filler is soluble inorganic salt, lactose or sugar alcohol. The nitenpyram soluble granula disclosed by the invention has the advantages of being quick in disintegration, good in dispersity, beneficial to storage and good in stability, is easy to pelletize, less in impurities, high in activity, good in efficiency, safe and free of harm on people and free of environmental pollution, has great economic benefits and wide development prospect. The preparation method of the nitenpyram soluble granula is simple in step, easy to operate, low in preparation cost and free of pollution on environment.

The invention discloses a nicosulfuron, atrazine and halosulfuron-methyl compound dispersible oil suspending agent and a preparation method thereof, and relates to the technical field of prevention and treatment of corn field annual weeds. The suspending agent is prepared from the components in parts by weight: 2.5 parts of nicosulfuron, 20 parts of atrazine, 1.5 parts of halosulfuron-methyl, 3 parts of fatty alcohol-polyoxyethylene ether, 5 parts of styrylphenol polyoxyethylene ether, 0.5 part of xanthan gum, 0.3 part of sodium benzoate, 0.5 part of a defoaming agent, and 66.7 parts of deionized water. The preparation method comprises the steps: pumping the raw materials into a preparation kettle, mixing and stirring, then carrying out initial grinding by a colloid mill, carrying out fine grinding by a sand mill, sampling, analyzing, after being qualified, filtering, metering, packaging and warehousing. When the 24% nicosulfuron, atrazine and halosulfuron-methyl compound dispersible oil suspending agent is formed by mixing nicosulfuron, atrazine and halosulfuron-methyl in a ratio of 2.5 to 20 to 1.5, the acting range can be obviously synergized; however, for other preparations mixed in other ratios, the obvious synergistic acting range cannot be achieved.

The invention discloses azoxystrobin-folpet compounded suspension agent and a preparation method thereof. The suspension agent comprises, by weight percent, 20-60% of azoxystrobin, 10-50% of folpet, 3-4% of wetting dispersing agent, 2-3% of dispersing agent, 3-4% of antifreezing agent, 0.2-0.3% of thickening agent, and the balance of water. The method includes firstly, weighing the azoxystrobin, the folpet, wetting dispersant, dispersant and the antifreezing agent by weight, adding water to obtain 95%, and mixing the above ingredients; secondly, grinding the mixed ingredients in a bead mill for 4-5 hours to obtain initial suspension agent; and thirdly, mixing the thickening agent and the water to obtain 5%, adding the mixture into the initial suspension agent, and using a mixer to mix at high speed for 2-4 hours to obtain the finished suspension agent. The suspension agent is made by compounding technology, antibacterial spectrum of the suspension agent is broadened, effect of the suspension agent is enhanced, toxicity of the suspension agent is lowered, and the suspension agent has the advantages of high active ingredient content, high suspending rate, high dispersiblity, high stability and the like.

The invention relates to a sterilization composite with effective components consisting of difenoconazole and propineb, comprising the following components in percentage by weight: 5-11 percent of the difenoconazole, 50-70 percent of the propineb, 4-10 percent of dispersant, 2-5 percent of wetting agent, 5-10 percent of disintegrant, 2-6 percent of hard water resistant agent and the balance of filler, and the total percentage of all the components reaches 100 percent. The sterilization composition has the advantages of high efficiency, low toxicity, long efficacy duration, high product utilization rate, cost reduction and simple use, efficiently relieves the drug resistance and adopts extrusion granulation or boiling granulation as a granulation mode.

The invention discloses mesophilous bacterial chlorin water dispersion granule agent in disinfectant, and belongs to the disinfectant technology in the plant protection field. The invention comprisesthe components that the raw material medicine mesophilous bacterial chlorin occupies 100 to 600 shares, auxiliary agent occupies 180 to 360 shares, carrier packing material occupies 250 to 600 shares,and binding agent occupies 10 to 150 shares. The ingredients are mixed proportionally, after being evenly mixed, the mixture is crushed to obtain the target powder, the target powder and the bindingagent are evenly mixed, and the mesophilous bacterial chlorin water dispersion granule can be obtained through granulation, drying and screening. The invention overcomes the disadvantage of the wettable powder of the mesophilous bacterial chlorin, both the us-cost of the farmer and the environment pollution are reduced. The invention has the advantages that the content is high, the disintegrationis quick, the dispersivity is good, the invention is advantageous for storage and transportation and the stability is good, the activeness is high, the efficiency is good, and the invention is secure.

The invention discloses a chlorantraniliprole and rotenone complex insecticidal water dispersible granule and a preparation method thereof. The water dispersible granule comprises the following raw materials by weight: 0.1-60% of chlorantraniliprole, 5-15% of rotenone, 3-25% of dispersing agents, 3-5% of wetting agents, 1-25% of disintegrating agents, 0.1-0.5% of binders, 0.1-0.5% of stabilizing agents, 10-60% of carriers and 1-8% of deionized water. The preparation method is characterized by carrying out weighing according to the proportion, mixing the weighed materials uniformly and adding active ingredients, auxiliaries and the carriers; and carrying out ultrafine grinding on the formula materials and then pelletizing the powder by extrusion. The water dispersible granule overcomes theharm of emulsifiable concentrates to the environment, has good wettability, high disintegration speed, good dispersibility, high suspensibility and good heat storage stability, is easy to use and harmless to people, livestock and the environment, has simple preparation process and is suitable for industrial production and large-area popularization.

The invention discloses a mesosulfuron and clodinafop-propargyl compound dispersible oil suspending agent and a preparation method thereof and relates to the technical field of control of weeds in a wheat field. The mesosulfuron and clodinafop-propargyl compound dispersible oil suspending agent is prepared from 3 parts of mesosulfuron, 21 parts of clodinafop-propargyl, 3 parts of fatty alcohol-polyoxyethylene ether, 5 parts of styrylphenol polyoxyethylene ether, 0.5 part of xanthan gum, 0.3 part of sodium benzoate, 0.5 part of defoamer and 66.7 parts of deionized water. The preparation method comprises the following steps of pumping the raw materials into a preparation reactor for mixing and stirring; primarily grinding the raw materials by a colloid mill, and then finely grinding by a sand grinder; sampling and analyzing; after the mixture is qualified, filtering, metering, packaging and warehousing. According to the mesosulfuron and clodinafop-propargyl compound dispersible oil suspending agent, when being prepared by mixing and compounding to be 24 percent according to the proportion of 1:7, an obvious synergistic effect range can be reached, which cannot be realized by preparations mixed according to other proportions.

The invention provides simetryn, oxyfluorfen and butachlor complex missible oil and a preparation method thereof, and relates to the technical field of prevention of annual weed in rice transplantation fields. The oil is prepared from 12 parts of simetryn, 8 parts of oxyfluorfen, 40 parts of butachlor, 3.75 parts of triphenylethylene-based phenol polyoxyethylene ether, 3.75 parts of toluylene-based phenol-formaldehyde condensate polyoxyethylene ether, 7.5 parts of calcium dodecylbenzene sulfona and 25 parts of xylene. Simetryn, oxyfluorfen and butachlor are added to xylene to be stirred and completely dissolved, the rest of the raw materials are then added, the mixture is evenly mixed by conducting stirring in a reaction kettle, sampling is conducted to analyze the content, standing, filtering and packaging are conducted after the content is qualified, sampling is conducted again to analyze the content, and storage is conducted after the content is qualified. The simetryn, oxyfluorfen and butachlor complex missible oil which is compounded by conducting blending according to the ratio of 3:2:10 and the content is 60%, the obvious synergism range can be achieved, and the obvious synergism effect can not be achieved through other preparations blended according to other ratios.

The invention discloses a production method (b) of a phosphorus based flame retardant, which relates to the production method of a chemical product. The production method comprises the following steps: mixing POC13 and a catalyst, subsequently heating to the temperature of 40 DEG C to 60 DEG C under an oxygen-free condition, dropwise adding ethylene oxide or propylene epoxide or epoxy chloropropane under a heat insulation condition, then slowly heating to the temperature of 60 DEG C to 80 DEG C for ageing, taking an aged sample liquid 3 hours later to measure the acid value, and discharging when the acid value is smaller than or equal to 0.2mgKOH / g to obtain the phosphorus based flame retardant. By adopting the method disclosed by the invention, the production process is simple, the problem of a large number of phosphorous wastewater which is generated in water washing of a crude product and cannot be treated in the original production method is effectively improved, no sewage pollution is caused, a low acid value can be obtained without water washing and a high flash point also can be obtained; and moreover, the phosphorus based flame retardant is good in heat storage stability, the catalyst is simple to prepare and no air pollution is caused, so the production method is applicable to industrial popularization and application.