535 results about "Allyl chloride" patented technology

The invention relates to a method for preparing composite nanofiltration membrane, to the field of film separating technology. The electrolyte multilayer film is assembled on the substrate film as an ultrathin separating film using layers static self-assembly technology, to obtain the composite nanofiltration membrane. The preparation method alternately immerges the substrate film into the polyanion solution and the polycation solution to alternately and repeatedly aggrade on the surface of the substrate film to get the composite nanofiltration membrane ultrathin separating layer after the assemble of a certain layers. The said polyanion solution is sodium polystyrene sulfonate or sodium polyacrylate; the said polycation solution is poly dimethyl diallyl ammonium chloride or polyallyl ammonium chloride, and the said substrate film is polyethersulfone ultrafiltration film or polysulfone ultrafiltration film. The method of the invention has a simple process, and the thickness of ultrathin separating layer is controlled. The compositenanofiltration membrane has a using foreground in the field of sea water and bitter desalination, sewage disposal and callback, ultra pure water preparation and so on.

The invention discloses a salt-resistant and calcium-resistant filtrate reducer applied to a drilling fluid and a preparation method of the filtrate reducer. The filtrate reducer is prepared from raw materials and water, wherein the raw materials comprise 2-acrylamide-2-methyl propane sulfonic acid, acrylic acid, acrylamide and dimethyl diallyl ammonium chloride; the ratio of m(2-acrylamide-2-methyl propane sulfonic acid) to m(acrylic acid) to m(acrylamide) to m(dimethyl diallyl ammonium chloride) to m(initiator) to m(molecular weight control agent) is (40-60) to (6-10) to (30-40) to (5-9) to (1-2) to (0.1-0.5). The molecular weight of the salt-resistant and calcium-resistant filtrate reducer applied to the drilling fluid and prepared by the preparation method is greatly improved; the coating property, the inhibition property, the heat stability and the salt-resistant and calcium-resistant pollution capacity of the filtrate reducer are greatly improved; by virtue of the salt-resistant and calcium-resistant filtrate reducer applied to the drilling fluid, the rheological property of the drilling fluid can be greatly improved; the salt-resistant and calcium-resistant filtrate reducer applied to the drilling fluid also has a high temperature-resistant effect at 150-180 DEG C.

The invention relates to a heavy metal sewage treatment agent which is prepared from dodecyl diethylene triamine, dimethyl diallyl ammonium chloride, acrylamide, dibenzoyl peroxide, powdered activated carbon, ethylene diamine tetraacetic acid, tert-butylamine, carbamate, dithiocar-bamate, thiocarbamic acid ester, starch, cellulose, water soluble starch xanthate ester, sodium silicate, potassium peroxodisulfate, sodium hydrosulfite, strong base and water. The heavy metal sewage treatment agent disclosed by the invention is formed by being modified with a high-molecular compound; the mixture contains a plurality of active groups which can be complexed, chelated, absorbed and exchanged with heavy metal, so that heavy metal ions in the aqueous solution can be removed; the heavy metal sewage treatment agent has good removal effect on heavy metal ions, the removal rate is above 97%, and furthermore, the heavy metal sewage treatment agent has stronger Ca2+ and Mg2+ resistant capability; the removal rate of cadmium-containing sewage is 99.8%, which meets the national emission standard; and the removal rate of chromium-containing sewage is above 99.6%.

The invention discloses a cation type hydrophobic association polymer and a preparation method and application thereof. Through adopting acrylamide, dimethyl diallyl ammonium chloride and butyl acrylate as synthesis monomer, the cation type hydrophobic association polymer is made through a common free radical micelle polymerization method and making use of a composite initiation system and additive auxiliary agent urea. Moreover, the cation type hydrophobic association polymer, which has the characteristics of high molecular weight, excellent product stability, strong adsorption bridging capacity of colloid matter, good flocculation effect, wide application scope, less generated sludge and hydrophobic association function, etc., can be widely used in the treatment of oil field oily wastewater.

An amphiprotic polyacrylamide oil field fracturing gelatinizer and a preparation process are disclosed. The gelatinizer has the structural formula which is showed by I, wherein R1 is H or CH3, R2 is C1-C4 alkyl, R3 is C2-C14 alkyl, m1, m2 and m5 are integers from 2 to 10, m3 is an integer from 0 to 100, and m4 is the integer from 0 to 1. The preparation process comprises using the compound of dehydration sorbic alcohol fatty acid ester, nonyl phenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether non-ionic emulsifier as emulsifier, using acrylamide, acroleic acid or methacrylic acid, methyl alkyl pi-allyl ammonium chloride, N, N -methylene bisacrylamide as monomer, obtaining even and stable invert emulsion through conducting invert emulsion system polymerization reaction for water, oil, alcohol, amine sulphurate and ethanedioic acid hexamethylene diamine, and conducting cross-linking through utilizing Cr3+, Zr4+ and Ti4+, -CHO, or the structural formula II as cross linking agent to obtain gelatinizer gel.

The invention relates to a salt-tolerant resistance-reducing agent applied for a shale gas reservoir. The resistance-reducing agent is a biopolymer comprising an acrylamide unit and a propenyl quaternary ammonium salt unit. The weight percent of the acrylamide in the biopolymer is 10%-80%. The propenyl quaternary ammonium salt is one of a propenyl trialkyl ammonium chloride, an alkyl acrylamido propyl trialkyl ammonium chloride or a dialkyl diallyl ammonium chloride. The weight percent of the propenyl quaternary ammonium salt in the biopolymer is 20%-90%, and the molecular weight of the propenyl quaternary ammonium salt is 1*10<6> to 2*10<6>. The resistance-reducing agent provided by the invention can be used as resistance-reducing agents for fracturing flow-back fluid, cavern water and underground produced water, wherein the fracturing flow-back fluid, the cavern water and the underground produced water contain divalent metal ions, and the weight percent resistance-reducing agent provided by the invention for using is 0.05%-0.1%. The resistance-reducing agent provided by the invention has good salt tolerance and resistance-reducing properties, and overcomes problems, of other polypropanamide resistance-reducing agents at present, comprising salt tolerance deficiency in using processes and incapability of being applied for hypersalinity water that comprises Ca<2+> and Mg<2+> at the same time.

The invention relates to a synthetic method of 2-methallyl alcohol. The synthetic method comprises the step of carrying out esterification reaction, refinement and separation and hydrolysis reaction on 2-methallyl chloride and sodium carboxylate to prepare 2-methallyl alcohol, wherein the formulas of the esterification reaction and the hydrolysis reaction are respectively formula (1) and formula (2) both referring to the description; the R is CH3 or CH3CH2, namely, methyl or ethyl. According to the invention, the synthetic method is reasonable in technology and easy to operate; the product is high selectivity and relatively high in quality; carboxylic sodium in the esterification reaction stage and water in the hydrolysis reaction stage are recycled and need no external supplement, so that cyclic utilization is achieved, and the product yield is improved.

The invention relates to an authigenic acid system and its application. The authigenic acid contains ZX-339 and ZX-368 components, the mole ratio of n(ZX-339) to n(ZX-368) is 5:8. Under a reaction temperature of 70DEG C-100DEG C, 19%-21% hydrochloric acid can be produced. The ZX-339 is any one of allyl chloride, benzoyl chloride, and a chlorinated organic ammonium salt. The ZX-368 is any one of polydimethylaminobenzaldehyde and polyhexa aldehyde. A clean acid fracturing fluid system is employed to carry the authigenic acid system to deep stratum. During application, the authigenic acid is compounded from, by weight: 2% of ZX-19, 15-20% of hydrochloric acid, 2% of ZX-09, 1% of ZX-10, (12-18)% of ZX-339, (10-16)% of ZX-368, and the balance water. The corrosion ability of the authigenic acid is equivalent to 70%-74% of that of isoconcentration hydrochloric acid.

The invention belongs to the field of chemical industry, and discloses a method for preparing 2-methyl allyl alcohol by esterification and hydrolysis. The method comprises the following steps of: first, performing esterification reaction of 2-methyl allyl chloride and carboxylate; and then, kalifying for hydrolysis reaction to synthesize 2-methyl allyl alcohol. The synthesizing steps are as follows: (1) esterification reaction: under the effect of a phase transfer catalyst, adding carboxylate, water and 2-methyl allyl chloride into a high pressure kettle for esterification reaction; after esterification reaction, cooling, standing and layering the reaction liquor to obtain an organic layer and a water layer, wherein the organic layer is a mixture which takes 2-methyl allyl carboxylate as a main product; (2) hydrolysis reaction: adding alkali liquor to the organic layer obtained in the esterification reaction stage for hydrolysis reaction; cooling, standing and layering the mixed liquor obtained by hydrolysis to obtain an organic layer and a water layer, wherein the organic layer is a target product, namely 2-methyl allyl alcohol. The method is high in material conversion ratio and product selectivity, the product yield is improved, and the separation energy consumption and material consumption are reduced.

The invention belongs to the field of cationic polymer capsulation agents, and relates to an instant-dissolved low-molecular-weight polyacrylamide capsulation agent and a preparing method thereof. The capsulation agent is prepared from three monomers in a copolymerization mode, wherein the first monomer is one of acrylamide and sodium acrylate, the second monomer is one of cationic monomers including dimethyl diallyl ammonium chloride, diethyl diallyl ammonium chloride, acryloxyethyl ethyl dimethyl benzyl ammonium chloride, methacryloyl oxyethyl dimethyl-benzyl ammonium chloride and methacryloyloxyethyl trimethyl ammonium chloride, and the third monomer is one of hydroxyethyl methylacrylate and hydroxypropyl methacrylate. The molecular structures of the monomers contain hydroxyl, the hydroxyl can interact with drilling cuttings, and the capsulation inhibiting performance is improved. According to the capsulation agent, the inverse emulsion polymerization technology is adopted, the aftertreatment technology is simple, the granular product can be conveniently stored for a long time and transported, the dissolving time is short in use, convenience is brought to site utilization, the capsulation inhibiting effect is good, and the performance of a drilling fluid system can be improved.

The invention provides a preparation method of modified straw powder. The method comprises the following steps of: contacting straw powder and an aqueous solution of a modifier at a temperature between 80 and 100 DEG C for 1 to 4 hours; and reacting a product generated by the contact of the obtained substance and the modifier with allyl chloride at a temperature between 100 and 120 DEG C for 1 to8 hours in the presence of a solvent to obtain the modified straw powder. The modifier is alkali or acid, and the solvent can dissolve the allyl chloride. The invention also provides the modified straw powder, wherein the modified straw powder is prepared by the preparation method. The invention also provides a biodegradable material, which is prepared by melting a mixture containing the straw powder and base resin, wherein the straw powder is the modified straw powder. The biodegradable material adopts the modified straw powder so as to achieve good biodegradability and mechanical strength.

The invention relates to a clay antiswelling agent for petroleum extraction and a preparation method thereof. The preparation method comprises the following steps of: dissolving 50-90 percent of diallyl ammonium chloride monomer and 10-50 percent of triallylamine monomer into distilled water according to mass proportion, wherein the total mass proportion concentration of the two monomers is 20-80 percent; adding into a reactor; charging nitrogen; adding initiator at 65-85 DEG C, wherein the initiator is ammonium persulfate, potassium persulfate or hydrogen peroxide; and reacting for 4-6 hours to obtain a polymer clay antiswelling agent for petroleum extraction, which has the molecular structure that three branch chains contain organic cations. The antiswelling agent has high inhibiting performance on clay, durable antiswelling effect, water scouring resistance and no damage to the stratum and can be used for water injection, acidification and well control fluid.

The invention discloses a method for synthetizing diallyl polyether. A polymerization product which is prepared from ethylene oxide and propylene oxide by using allyl alcohol as a starting agent is polyether with the following general formula (I). The method is carried out according to the following process steps of: 1, adding an alkoxidation reagent into the polyether to perform alkoxidation reaction and removing methanol generated during the reaction; 2, then filling allyl chloride into a reaction kettle to continuously perform the reaction, wherein the charging molar ratio of the polyether to the allyl chloride is 1: (1.0-2.0) and a by-product is sodium chloride or potassium chloride; and 3, refining the product, i.e. firstly, distilling and recovering the unreacted allyl chloride and then filtering a crude product to obtain the refined product. The problems of poor reaction activity and low yield of termination of polyether containing a secondary hydroxyl group, particularly high molecular weight polyether are solved. Due to the selection of the alkoxidation reagent, not only is the problem of generating a highly toxic allyl alcohol by-product in the conventional allylation process solved, but also the product has high yield of termination.

The present invention discloses water treating agent containing methoxy naphthalene as fluorescent marker. The water treating agent is prepared through the first reaction of 4-chloro-1, 8-naphthalic anhydride, glacial acetic acid and 3-dimethylamino propylamine to obtain 4-chloro-N-3-dimethylamino propyl-naphthyl imide; the subsequent reaction with sodium methoxide to introduce methoxy group and obtain 4, 4-methoxyl-N-3-dimethylamino propyl-naphthyl imide, which is reacted with allyl chloride to obtain quaternary ammonium salt of 4-methoxyl-N-3-dimethylamino propyl-naphthyl imide allyl chloride as fluorescent monomer with fluorescent characteristic and double bond; and the final polymerization with phosphorus containing compound, acrylic acid and other monomer to obtain the multifunctional water treating agent with corrosion retarding, scale inhibiting, dispersing and fluorescent tracing functions.

The invention provides a powder combination of acrylonitrile-butadiene-styrene (ABS) copolymers. The invention is characterized in that the powder combination is prepared by copolymerization of raw materials. The raw materials contain, by weight, 5-30 parts of polybutadiene latex, 60-95 parts of styrene monomer, 5-40 parts of acrylonitrile monomer, 0.1-8 parts of an emulsifier, 0.01-1 part of an initiator, and 0-2 parts of a molecular weight regulator, wherein seeded latex is selected from polybutadiene, butadiene styrene rubber latex, ethylene propylene rubber latex, ethene-propylene-diene ternary copolymer latex, polyacrylate and chlorinated polyethylene; the acrylonitrile monomer is selected from acrylonitrile, acrylic esters and methacrylate; and the styrene monomer is selected from styrene, methyl styrene, terpene oil and allyl chloride. The combination provided by the invention has a wide performance range. Particle size of the combination is adjustable within 0.1-100 microns, and particle size distribution is narrow. Thus, it is very beneficial to a 3D printing forming technology.

The invention discloses a method for preparing an allyl surface-active macromonomer, which is characterized by comprising the following steps: adding 20 portions of alkylphenol polyoxyethylene ether (CmH2m+1-C6H4-O-(CH2CH2O)nH, n is equal to 1 to 60, and m is equal to 1 to 20), 10 to 900 portions of solvent and 0.1 to 15 portions of catalyst into a three-mouth reaction flask with a reflux condensation device, and reacting the mixture for 1 hour under stirring at the room temperature; increasing temperature to 30 to 95 DEG C, adding 0.5 to 20 portions of allyl chloride into the reaction product, and continuously reacting for 6 to 48 hours; distilling the reaction product under reduced pressure to remove the solvent so as to obtain a crude product; and performing silica gel column chromatographic separation to obtain allyl alkylphenol polyoxyethylene ether with the yield of 70 to 95 percent. The allyl alkylphenol polyoxyethylene ether has excellent surface activity, and can be directly used as a surfactant. A water-soluble copolymer synthesized by taking the allyl alkylphenol polyoxyethylene ether as a surface-active macromonomer has the function of tackifying, or reducing solution surface tension and water-oil interfacial tension, and can be taken as a tackifying copolymer or a macromolecular surfactant for improving the oil recovery ratio.

A phosphino-based mapropyl copolymer containing fluorescent group and its production are disclosed. The process is carried out by taking 4-bromine-1,8-naphthalic anhydride, glacial acetic acid and N, N-dimethyl-ethylenediamine as raw materials to obtain 4-bromine-N-(2-N,, N,-dimethylbenzidine-ethyl)naphthalimide, reacting it with sodium methoxide to induce methoxy-group to obtain 4-methoxy-N-(2-N,, N,- dimethylbenzidine-ethyl)naphthalimide, reacting it with allyl chloride to obtain fluorescent monomer 4-methoxy-N-(2-N,, N,- dimethylbenzidine-ethyl)naphthalimide allyl ammonia chloride with fluorescent characteristic and double-bond, polymerizing it with sub-sodium phosphate, maleic anhydride, acroleic acid and propenyl-sodium sulfate to obtain the final product. It has fluorescent tracting, corrosion-inhibting, scale-inhibiting and dispersion functions.

The invention discloses polyfunctional group polyphenylene ether resin and a preparation method thereof. The method is characterized by comprising the following steps: in a reactor, adding polyphenyl ether, a solvent and diallyl bisphenol A or tetraallyl bisphenol A, and adding a peroxide initiator for reaction for 1-10h at 30-90 DEG C; adding alkali metal hydroxides and a phase transfer catalyst, and dropwise adding 3-allyl chloride for reaction for 6-24h at 30-50 DEG C; distilling a reaction solution, recovering fraction below 50 DEG C, and then adding 40% peracetic acid for reaction for 5-15h at 20-60 DEG C; extracting the reaction solution with deionized water for three times, distilling off most of the solvent from the extraction liquid, then dropwise adding the residual solution in methanol for precipitation and filtration, and finally washing solids with methanol and drying to obtain the polyfunctional group polyphenylene ether resin. The polyphenylene ether resin and other resins can form a composition with multiple uses, and the polyphenylene ether resin can be used for manufacturing films or copper coated substrates of printed circuit boards and other fiber cloth laminated boards.

The invention relates to a preparation method for organosilicone positive ion waterborne polyurethane. The preparation method comprises the following steps: (1) reacting diethylamine with allyl chloride in the presence of an alkaline to generate diethyl allylamine; (2) carrying ring opening on D4 under the effect of a catalyst and blocking by using HMM (hexamethylmelamine) to generate dihydro-blocked polysiloxane; (3) carrying out hydrosilylation reaction on dihydro-blocked polysiloxane and diethyl allylamine; (4) carrying out quaternization reaction on the production of the addition reaction and chloropropanol; and (5) generating a prepolymer through reaction between HMDI and PTMEG1000 and extending chains in water by using the quaternization product to generate the organosilicone positive ion waterborne polyurethane. The preparation method provided by the invention is simple and convenient to operate, mild in reaction condition, free of carbonization and products are easily separated and recycled. Firstly, polysiloxane with amido at two terminals is salified and then chains are extended, and the conventional step of salifying positive ions with an acid and then neutralizing is cancelled, so that use of a nitrogen-containing chain extender is reduced, the cost is saved and the problem that positive ion polyurethane gets yellow is prevented.

The invention discloses a preparation method and an application technology of a dimethyl diallyl ammonium chloride modified towel gourd vegetable sponge adsorbent, and is characterized in that the preparation method comprises the steps: peeling and denucleating mature fruits of towel gourd, washing with water to remove soil and impurities, drying, crushing, and carrying out chemical treatment drying to obtain acylating-chlorination towel gourd vegetable sponge; adding, by the mass percentage, 56-71% of dimethyl diallyl ammonium chloride, 10-20% of the acylating-chlorination towel gourd vegetable sponge, 12-26% of water and 0.5-2.0% of ammonium persulfate into a reactor, wherein the sum of the percentages of all the components is 100%; under the nitrogen protection and at a constant temperature of 45-55 DEG C, stirring and carrying out a reflux reaction for 4-5 h; and after cooling, washing with deionized water, carrying out suction filtration until a filtrate is neutral, drying in a vacuum drying oven, and thus obtaining the dimethyl diallyl ammonium chloride modified towel gourd vegetable sponge adsorbent. The adsorbent has the advantages of quite high adsorption capacity on grease, excellent physicochemical and mechanical properties, strong regeneration capacity, capacity of being repeatedly used many times, low cost, greenness and environmental protection.

The invention provides a method for preparing a magnetic hydrophobic modified cationic polyacrylamide oil-removing flocculating agent and belongs to the technical field of environmental-friendly water treatment. The method comprises the following steps: dissolving dodecyl glucoside (or cocoanut fatty acid diethanolamide), dimethyl diallyl ammonium chloride, acrylamide and a photoinitiator in water, regulating the pH value, introducing nitrogen and sealing the reactor, performing photopolymerization under a low-voltage ultraviolet lamp so as to produce lacteous colloid; and dissolving the colloid in ultrapure water, adding magnetic nanometer iron oxide particles and ammonium persulfate to stir, washing, drying, grinding, and finally obtaining the black powdered oil-removing flocculating agent. According to the method disclosed by the invention, the polymerization time is short, the reaction temperature is low, condensation cooling is not needed, and energy conservation and consumption reduction are realized; due to the introduction of a hydrophobic monomer, the hydrophilic property of the flocculating agent is reduced, the adsorptive property of oil substances is enhanced, and the demulsification ability of the flocculating agent is enhanced; and due to the introduced magnetic nanometer iron oxide particles, under the action of an additional magnetic field, the flocculating agent is high in settling speed and easy to separate.

The invention provides a method for synthesizing quaternary ammonium salt ionic liquid by microwave radiation heating, which comprises the following steps: mixing tertiary amine compounds (N,N-dimethylethanolamine, trimethylamine or triethanolamine) and halohydrocarbon compounds (allyl chloride, n-butyl chloride, n-butyl bromide, octadecyl chloride) with a molar ratio of 1:1.05-1:2 under a microwave radiation heating condition, putting the mixture into a microwave reactor to perform a microwave reaction with an adjusted microwave power of 100 W-400 W, a heating temperature of 30 DEG C-80 DEG C, and reaction time of 1 min-15 min so as to obtain a crude product, removing residual halohydrocarbon compounds in the crude product to obtain quaternary ammonium salt ionic liquid with halogens as anions; the halohydrocarbon compounds are chlorinated hydrocarbon compounds or brominated hydrocarbon compounds. The preparation method of the invention is simple, does not require the addition of any solvent except reaction raw materials, and can prepare high-purity quaternary ammonium salt ionic liquid simply, efficiently, rapidly, and economically.

The invention relates to a method for separating corncob cellulose by using ionic liquid. According to the invention, an ionic liquid 1-allyl-3-methylimidazole chlorine salt is synthesized with raw materials of allyl chloride and 1-methylimidazole; and with the high solubility of the ionic liquid upon cellulose, the ionic liquid is used for separating and extracting cellulose in corncob. The method comprises the steps of corncob pretreatment, lignin removing, cellulose separation, cellulose extraction, and the like. The extraction rate of corncob cellulose is approximately 18.35%. With the method, the purity of the extracted corncob is high, and the film-forming property of the cellulose is good. According to the invention, a green solvent which is the ionic liquid is used as a dissolving medium. The solvent can be recovered and reused, such that the requirement of green production is satisfied.

The invention belongs to the field of organic synthesis and particularly relates to a eugenol synthesis method. According to the eugenol synthesis method, guaiacol and allyl chloride are used as raw materials and are subjected to a catalytic reaction through a catalyst THLD to generate eugenol; an experiment testifies that the eugenol is synthesized by using the novel composite catalyst THLD, so that the conversion rate of the guaiacol and the yield of the eugenol are greatly improved, the conversion rate of the guaiacol reaches to 98 percent and the yield of the eugenol reaches to 88 percent.

The invention relates to a preparation method for organosilicon quaternary ammonium salt composite and application thereof. The preparation method is characterized by comprising the following steps: by means of taking single long chain alkyl dimethyl tertiary amine, r-allyl chloride trimethoxy silane and mixed solvent as raw materials at the molar ratio of 1.0:(1.03-1.05):(7.0-8.0), preparing the single long chain alkyl dimethyl organosilicon quaternary ammonium salt, wherein the mixed solvent comprises carbinol and ethylene glycol; combining a plurality of single long chain alkyl dimethyl organosilicon quaternary ammonium salt monomers at a ratio; and adding a quaternary ammonium salt microcapsule at a certain ratio to prepare the organosilicon quaternary ammonium salt composite. The organosilicon quaternary ammonium salt composite simultaneously performs three actions in the specific application: firstly, the organosilicon quaternary ammonium salt sterilizes and kills pathogenic bacteria on the surface to carry out hazard-free treatment on the pathogenic bacteria; secondly, after the surface coating is dried, the organosilicon quaternary ammonium salt can generate permanent self-cleaning bactriostasis action; and thirdly, the quaternary ammonium salt microcapsule in the composite is slowly released to perform the action of actively sterilizing.

The invention relates to a polymer / Ag doped nanometer ZnO long-acting antibacterial and mildew-proof finishing agent for a cotton fabric and a preparation method of the finishing agent. The existing antibacterial material for the cotton fabric is low in antibacterial performance, great in one-time dissolution, and not lasting in the antibacterial and mildew-proof performance. Ag doped nanometer ZnO is prepared by using zinc acetate and silver nitrate as precursors by a coprecipitation method; the polymer / Ag doped nanometer ZnO long-acting antibacterial and mildew-proof finishing agent is prepared by using Ag doped ZnO, allyl glycidyl ether and dimethyl diallyl ammonium chloride as raw materials via an in-situ polymerization method. The antibacterial and mildew-proof finishing agent is applied to the afterfinish of the cotton fabric; the Ag doped ZnO in the composite material and N+ in the dimethyl diallyl ammonium chloride can jointly resist bacteria to achieve the efficient antibacterial and mildew-proof performance; the hydroxyl of the cotton fabric surface can be crosslinked with the epoxy group in the polymer; the long-acting antibacterial and mildew-proof performance of the cotton fabric is improved; meanwhile, the injury to the human body caused by one-time dissolution of the nanometer antibacterial material used by the fabric is reduced.

The invention discloses 1-(1,2,4-triazole triazole-1- group)ketoxime ether or its nitrate as shown in the chemical structure formula I, wherein R<1> is selected from the group consisting of C1-2alkyl, C3-4straight chain or branched alkyl; R is selected from the group consisting of C1-C2alkyl, C3-C18 straight chain or branched alkyl or alicyclic groups; allyl, propargyl, 2-methyl allyl, 2-chlorallyl, (Z)-3-chlorallyl, (E)-3-chlorallyl, or ArCH2; or Y(CH2)n:Y equals to fluorine, chlorine, bromine or iodine, n equals to 1,2,3,4,5 or 6. The application of 1-(1,2,4-triazole triazole-1- group)ketoxime ether or its nitrate as shown in the formula I in the preparation of a bactericide for killing wheat powdery mildew or Botrytis cinerea.

The invention discloses a preparation method of dimethyl diallyl ammonium chloride-modified porous diatomaceous earth.The preparation method is characterized by comprising the steps that diatomaceous earth is pretreated; the diatomaceous earth is prepared into porous diatomaceous earth; the surface of the diatomaceous earth is organized; 24%-34% by mass of deionized water and 42%-52% by mass of dimethyl diallyl ammonium chloride are added in a reactor and stirred to be dissolved, then 18%-28% by mass of organized porous diatomaceous earth is added, uniform mixing is performed, 2%-5% by mass of dimethyl 2,2'-azobis(2-methylpropionate) is added, and the sum of all the components is 100%; a reflux reaction under stirring is performed for 6-8 h at the constant temperature of 65+ / -2 DEG C, solid-liquid separation is performed after cooling is performed, separated solids are washed with the deionized water until filtrate is neutral, filtering and drying are performed, and then the dimethyl diallyl ammonium chloride-modified porous diatomaceous earth is obtained.The adsorbent has the very high adsorption capacity on grease and the good physical, chemical and mechanical properties and is high in regeneration capacity, more in repeated using time, low in cost, green and environmentally friendly.

The invention discloses allyl para-tert-butyl phenyl ether formaldehyde tackifying resin and a preparation method thereof. The preparation method comprises the following steps: mixing para-tert-butyl phenol with formaldehyde at the molar ratio of 1:1, increasing the temperature to 80-120 DEG C, adding hydrochloric acid till the boiling of reaction lasts for 3-5 hours, using toluene to dissolve, washing with hot water till neutrality, mixing the obtained resin with allyl chloride at the molar ratio of (3-1):(0.5-2), using ethanol to dissolve, further adding potassium hydroxide to regulate the pH to 8-10, heating for 30-90 minutes, then using the toluene to extract, washing with distilled water till the neutrality, and performing reduced pressure distillation so as to get an allyl para-tert-butyl phenyl ether formaldehyde resin purified product. The product has higher self-adhesion strength and excellent long-acting tackifying capability.

The invention discloses a magnetic titanium silicon molecular sieve with a compact protective layer and its application. The preparation method of the magnetic titanium silicon molecular sieve consists of the steps of: (1) preparing a ferric salt or ferrous salt water solution, performing a reflux reaction to obtain Fe nanoparticles; (2) adding the Fe nanoparticles prepared in step (1) into an isopropyl alcohol solution containing NH3.H2O and water, stirring them uniformly, then adding tetraethyl orthosilicate and leaving them to react completely, then carrying out separation to obtain solid particles, and conducting roasting to obtain Fe / SiO2 nanoparticles with a compact SiO2 layer; (3) mixing the Fe / SiO2 nanoparticles with the compact SiO2 layer with a glucose water solution, performing crystallization to obtain carbon-coated Fe / SiO2 / C nanoparticles; and (4) preparing a TS-1 molecular sieve mother liquor, mixing the carbon-coated Fe / SiO2 / C nanoparticles with the TS-1 molecular sieve mother liquor, and carrying out crystallization and roasting, thus obtaining the magnetic titanium silicon molecular sieve with a compact protective layer. The magnetic titanium silicon molecular sieve can be used as a catalyst in preparation of epichlorohydrin by epoxidation of allyl chloride and hydrogen peroxide, and has good catalytic properties.