171 results about "2-Naphthylamine" patented technology

The invention discloses a fire-retardant cable sheath material formulation and the preparation method thereof. The formulation comprises, by weight parts, 15 to 30 parts of chloroprene rubber, 15 to 30 parts of chlorinated polyethylene, 0.5 to 3.0 parts of zinc oxide, 0.5 to 3.0 parts of magnesium oxide, 0.2 to 1.0 parts of ethylene thiourea, 0.5 to 2.0 parts of dibenzothiazyl disulfide, 0.1 to 0.5 parts of tetramethylthiuram disulfide, 0.5 to 2.0 parts of N-phenyl-2-naphthylamine, 0.5 to 2.0 parts of stearic acid, 0.5 to 3.5 parts of paraffin, 1.0 to 5.0 parts of dioctyl phthalate, 5.0 to 15 parts of carbon black with high abrasion resistance, 5.0 to 15 parts of semi-reinforced carbon black, 3.5 to 10 parts of calcium carbonate, 2.5 to 8 parts of bis(pentabromophenyl) ether, 1.0 to 3.0 parts of antimony trioxide, and 1.0 to 8.0 parts of aluminum hydroxide. The preparation method mainly comprises the following steps: plasticating, blending, mixing, thin-passing and calendaring and extruding the sheath.

The invention relates to a preparation method of J acid and a J acid waste water comprehensive treatment and recycling method. The J acid waste water comprehensive treatment and recycling method is as follows: the following treatment is carried out on hydrolysis waste water: (1) 30-40% of the total quantity of the hydrolysis waste water is used in an acidification reaction for preparing 2-naphthylamine-1-sulphonic acid by utilizing sodium 2-naphthylamine-1-sulphonate; (2) extraction and reextraction are carried out on the residual hydrolysis waste water, so that Na2SO4 and extraction waste liquor are obtained, the extraction waste liquor is used in a hydrolysis working procedure in a J acid production process, an extraction agent adopted during extraction is composed of 10-30wt% of complex agent, 30-70wt% of diluent and 5-20wt% of tributyl phosphate, and the complex agent is trioctylamine, or trialkyl tertiary amine or combination of trioctylamine and trialkyl tertiary amine. By adopting the preparation method of the J acid, the cost of water for the J acid and waste water treatment cost can be greatly reduced, and environmental pollution can be reduced.

The invention discloses a meteorologic balloon and a production method thereof. The raw materials consist of a solid raw material, an oily raw material and a gluey raw material; the solid raw material comprises the following components by weight: 0 to 0.30 portion of potassium hydroxide, 0 to 0.15 portion of casein, 0 to 0.10 portion of peregal O, 1.00 to 3 portions of sulfur, 1.00 to 2 portions of N-phenyl-2-naphthylamine, 1.00 to 2 portions of N-phenyl-N'-isopropyl-ursol, 1.50 to 3 portions of ethyl-phenyl-zinc dithiocarbamate, 0.20 to 5 portions of zinc oxide, and 5 to 30 portions of chloroprene polymer; the oily raw material is dioctyl sebacate, and the weight rate of the dioctyl sebacate is 5.00 to 10.0 portions; and the gluey raw material is centrifugally-concentrated natural latex, and the adding amount of the centrifugal concentrated natural latex is 100 portions. The weight of the meteorologic balloon is 1,600 to 1,700 grams, the length of the balloon body is 3.05 to 3.55 meters, the width of the ball handle is 10 to 11 centimeters, and the length of the ball handle is 12 to 16 centimeters. The meteorologic balloon can adapt to the requirement of probing high-altitude meteorological elements of more than 35,000 meters, has the advantages of good aging resistance, high blastoff height, long balloon service time and the like, and can effectively overcome the morning-evening difference.

The invention discloses a metal antirust agent containing modified medical stone powder. The antirust agent is prepared from the following raw materials in parts by weight: 100-105 parts of castor oil, 1.5-3 parts of ferrocene, 1-2 parts of polyisobutene, 0.6-1.2 parts of bitertanol, 0.5-1.5 parts of 2-aminoethyl heptadecenyl imidazoline, 0.8-1.6 parts of beta-naphthylamine, 1-2 parts of N-phenyl-2-naphthylamine, 0.6-1.1 parts of zinc dialkyl dithiophosphate, 1-2 parts of sodium dodecyl benzene sulfonate, 0.8-1.6 parts of propanediol sebacate polyester, 4.2-5.2 parts of film-forming resins and 1.3-2.1 parts of modified medical stone powder. The metal antirust agent has excellent contact antirusting performance and good gas-phase antirusting effect and has good gas-phase antirusting effect and contact antirusting effect on steels and brasses.

The invention relates to a weather monitoring device, in particular to a new weather balloon, which comprises the following components by weight percent: 100 of centrifugal concentrated natural latex, 0.3 of casein, 0.3 of potassium hydroxide, 0.15 of peregal 0, 2 of sulphur, 1.5 of N-ethyl-N-phenyl dithiocarbamate zinc, 1 of N-phenyl-2-naphthylamine, 1.5 of zinc oxide, 1.5 of dibutyl sebacate, 1.5 of IR-550 polyisoprene latex, 0.05 of dispersing agent NF, 0.05 of borax, 0.3 of sodium butylnaphthalenesulfonate, 0.5 of sodium hexametaphosphate, 8 of dioctyl sebacate and 10 of chloroprene polymer. The new weather balloon provided by the invention has the advantages of high sounding altitude, long sounding time and wide application prospect.

The invention provides a weather balloon which comprises the following components in parts by weight: 100 parts of concentrated natural latex by centrifuging, 0-0.30 part of potassium hydroxide, 0-0.2 part of casein, 0-0.15 part of peregal O, 1-2 parts of sulphur, 1-2 parts of N-phenyl-2-naphthylamine, 1-2 parts of ethyl-phenyl-zinc dithiocarbamate, 1-2 parts of N-phenyl-N'-isopropyl-p-phenylenediamine, 0.5-3 parts of zinc oxide, 3-5 parts of mechanical oil and 3-7 parts of emulsified paraffin. The invention further provides a preparation method of the weather balloon and a combined weather balloon. The average levitating height of the weather balloon which is in a specification of 750g reaches 30450 meters, and the effective rate of the balloons with the levitating height of 26000 meters is 88.2%. The average levitating height of the weather balloon which is in a specification of 1600g in rainy days reaches 33481 meters, and the effective rate of the balloons with the levitating height of 30000 meters is 91.7%. Demands on the weather balloons at present are achieved.

The invention relates to a preparation method for C.I. paratonere 49:1 and belongs to the field of organic pigments. According to the preparation method, in the preparation of diazonium liquid, a second diazonium component 2-naphthylamine-1,5-disulfonic acid and a non-ionic surface active agent are added; in the preparation of coupling liquid, a second coupling component 2-hydroxy-3-naphthoic acid is added; and in color lake reaction, a polyoxyalkylene amine pigment modifying agent and a second color lake agent aluminum chloride are added. Specifically, the preparation method comprises the following steps: preparing the diazonium liquid; preparing the coupling liquid; performing coupled reaction; and performing color lake reaction and after-treatment. The C.I. paratonere 49:1 prepared according to the preparation method has lower viscosity and higher tinting power and gloss.

The present invention discloses preparation process of 2-naphthylamine-3, 6, 8-trisulfonic acid. Amino G acid or its salt, Amino R acid or its salt, bulcoxic acid or its salt, or their mixture is reacted with fuming sulfuric acid with high concentration of SO3 at certain temperature and pressure for certain time to obtain high purity 2-naphthylamine-3, 6, 8-trisulfonic acid. The present invention is suitable for industrial production.

The invention discloses a gas-phase antirust agent containing modified nanometer bentonite. The antirust agent is prepared from the following raw materials in parts by weight: 90-95 parts of castor oil, 0.9-1.2 parts of ferrocene, 0.9-1.8 parts of polyisobutene, 1-2 parts of 2-aminoethyl heptadecenyl imidazoline, 0.8-1.3 parts of N-phenyl-2-naphthylamine, 1.1-1.7 parts of 1-hydroxybenzotriazole, 0.9-1.1 parts of urotropine, 1-2 parts of zinc dialkyl dithiophosphate, 0.4-0.8 part of sodium dodecyl benzene sulfonate, 4.4-4.8 parts of film-forming resins and 0.8-1.4 parts of modified nanometer bentonite. The gas-phase antirust agent has excellent contact antirusting performance and good gas-phase antirusting effect and has good gas-phase antirusting effect and contact antirusting effect on steels and brasses.

Disclosed is a red SBE monomer which is prepared by beating the cyanuric chloride and dispersing agent into powder form at the presence of trash ice, charging dried p(beta-sulfate ethyl sulfone) phenylamine for primary condensation, controlling pH=2-4, the temperature 6-12 deg. C, charging dired H acid for second condensation, controlling the temperature between 25-35 deg. C, controlling pH=3-5, carrying out diazonium salt coupling with dried 1,5-disulfonic acid -2-naphthylamine, direct drying by spray.

The invention relates to an algaecide. The algaecide which can be used for effectively removing algae and precipitating alga bodies contains chitosan, fly ash autoclaved brick powder and allelopathic chemicals of gallic acid, nonoic acid or N-phenyl-naphthylamine, and is obtained by dissolving a certain amount of chitosan by using hydrochloric acid, then adding the fly ash autoclaved brick powder of 40-200 meshes, and then adding the dimethyl sulfoxide assisted dissolved allelopathic chemicals of gallic acid, nonoic acid, N-phenyl-1-naphthylamine or N-phenyl-2-naphthylamine. The chitosan and the fly ash autoclaved brick powder used in the algaecide provided by the invention are nontoxic, the allelopathic chemicals of gallic acid, nonoic acid and the like belong to plant secondary metabolism products, can be degraded easily in a water body and cannot cause secondary pollution, and although the diluted HCl solution is used for dissolving chitosan, great changes of the pH value of the water body are not caused in a dosage range. The algaecide provided by the invention can be used for removing the algae effectively and ensuring that the alga bodies are sunk to the bottom of water, has a small influence on the environment and does not cause secondary pollution, the water body is clear, and the beautiful outlook of the water body is not influenced, so that the algaecide is suitable for removing the algae from a small landscape water body taking blue algae as a dominant species.

The invention discloses a rubber material for a wind power generation cable sheath. The rubber material is prepared from the following raw materials in parts by weight: 50-70 parts of chloroprene rubber, 10-18 parts of butadiene rubber, 20-32 parts of natural rubber, 15-20 parts of organic modified montmorillonite, 1-1.5 parts of magnesium oxide, 0.8-1.3 parts of zinc oxide, 1.5-2.8 parts of dicumyl peroxide, 0.3-0.8 part of triallyl polyisocyanurate, 1-3 parts of diisobutyl adipate, 0.8-2.2 parts of ethyl oleate, 5-8 parts of hazelnut oil, 1.2-1.6 parts of stearic acid, 20-35 parts of carbon black, 10-15 parts of carbon black purple, 1.0-1.5 parts of N-cyclohexyl-2-benzothiazole sulfonamide, 0.5-1.6 parts of tetramethyl thiuram disulfide, 1.8-2.2 parts of N-isopropyl-N'-phenyl p-phenylenediamine and 0.4-0.8 part of N-phenyl-2-naphthylamine. The organic modified montmorillonite is prepared by the following steps: adding sodium-based montmorillonite into water, stirring and standing and taking supernate; and after heating the supernate, adding octadecyl trimethyl ammonium chloride, carrying out ultrasonic treatment for 60-80 minutes, and after stirring, filtering and washing. The rubber material for the wind power generation cable sheath, which is disclosed by the invention, has low-temperature resistance and high elasticity and the flame retardance is further improved.

The invention discloses orange active dye and a preparation process, which uses 2, 4-di-sodium sulfanilate as coupling component, uses 2-naphthylamine-disulfonic acid and beta-carboxy ethyl sulfuryl sulfuric ester aniline as diazo component, and is prepared through two-time coupling, filtering, drying and packaging. The active orange dye has extremely excellent dissolving property, over 96% dyeing exhausting rate, is significantly superior to acid dye, and greatly reduces the difficulties to treating environment.

The invention relates to a sizing material of a high hardness rubber seal. The sizing material comprises the raw material components in parts by weight as follows: 120-150 parts of 1# natural rubber, 2-3 parts of sulphur, 4-6 parts of zinc oxide, 2-4 parts of stearic acid, 1-1.2 parts of paraffin, 10-12 parts of pine tar, 80-100 parts of spraying carbon black, 1-1.2 parts of an accelerant DM (Chinese name: 2,2'-dithio di-benthothiazole, molecular formula: C14H8N2S4), and 1-1.2 parts of an antiager D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N). According to the invention, high hardness components are added in the rubber formula, and meanwhile the vulcanizing efficiency is enhanced, and the integral hardness of rubber is improved.

The invention belongs to the technical field of photoelectric materials and discloses a high-glass-transition-temperature hole injection material and a preparation method and application thereof. Thestructure of the high-glass-transition-temperature hole injection material is as shown in formula I. The preparation method of the high-glass-transition-temperature hole injection material comprises:(1) subjecting paraiodoanisole and 6-bromine-2-naphthylamine to reaction to obtain a compound 6-bromine-N, N-di-(4-methoxyphenyl)-2-naphthylamine as shown in formula II; (2) subjecting the compound asshown in formula II and bis(pinacolato)diboron to reaction to obtain a compound as shown in formula III; (3) subjecting the compound as shown in formula II and the compound as shown in formula III toreaction to obtain the hole injection material. The high-glass-transition-temperature hole injection material is high in glass-transition temperature, decomposition temperature and HOMO (highest occupied molecular orbital) energy level, good in hole mobility and beneficial to hole injection and transportation. The high-glass-transition-temperature hole injection material has promising applicationprospect in photoelectric devices.

The invention relates to room temperature phosphorescent material based on phenyl-2-naphthylamine or phenyl-2-naphthylamine and 4,4-dibromodiphenyl composite crystal, preparation method of the material, and application of the material in the organic white light material field, safety anti-counterfeiting identification field and other fields, and belongs to the technical field of organic room temperature phosphorescent materials. 2-Naphthylamine is connected with benzene rings or naphthalene rings having different substitutions, this type of molecules is as good as naphthylamine in emitting deep blue light and can also efficiently emit yellow-green phosphorescent light at low temperature. 4,4-Dibromodiphenyl provides, on one hand, heavy atoms for a body so that interstitial crossing rate of objective molecules from single linear state to triple linear state is increased, and avoids, on the other hand, the quenching of the objective molecules due to accumulation, thereby ensuring efficient luminescent efficiency. A white light luminescent material can be prepared by using fluorescent-phosphorescent double emission of the system, and long-life phosphorescent emission is potentially significant to bio-labeling and anti-counterfeiting identification fields.

The low-salinity and high-strength active yellow dye is prepared with 2-naphthylamine-3, 6, 8-trisulfonic acid as material and through diazotization and condensation. The present invention features the addition of dispersant in the first condensation, the addition of meta-ester in the second condensation, nano filtering film technology for material liquid separation, pressurized spraying pelletizing and drying and less "three waste" exhaust in the production process. The produced active yellow dye has low salinity, high strength, high color fixation, and other advantages.

The invention relates to a rubber strippable paint and a preparation method thereof. The rubber strippable paint is characterized by comprising the following components: 10-25 parts of rubber, 1-3 parts of magnesium oxide, 0.1-0.5 part of N-phenyl-2-naphthylamine, 0.1-0.5 part of stearic acid, 0.5-2 parts of zinc oxide, 3-6 parts of carbon black, 50-65 parts of toluene, 5-10 parts of 50% pure phenolic resin solution and 10-20 parts of self-made vinylidene chloride anti-corrosive varnish. The preparation method comprises the steps of: rubber mixing; preparation of black slurry; preparation of glue solution; and preparation of paint by adding the glue solution and black slurry into a thinning tank, stirring for 1 h and adjusting viscosity by using the remaining 10% toluene. The invention has the following beneficial effects: self-made vinylidene chloride anti-corrosive varnish and 50% pure liquid phenolic resin are employed for modification on rubber to prepare the rubber strippable paint; and the paint film is tough, has excellent alkali resistance and acid resistance, good erosion ratio, easiness for stripping and neat trimming and is mainly used for temporary protection of chemical milling aluminum alloy.

The invention relates to a high-strength shock-absorbing rubber plate for factory equipment. The high-strength shock-absorbing rubber plate comprises the following components in parts by weight: 70-90 parts of 40 type butadiene-acrylonitrile rubber, 30-50 parts of 1# natural rubber, 3-5 parts of magnesium oxide, 0.2-0.4 part of sulphur, 1-1.4 parts of stearic acid, 1-1.3 parts of paraffin, 15-25 parts of vaseline, 30-50 parts of spraying carbon black, 40-60 parts of argil, 2-4 parts of zinc oxide, 1-2 parts of anti-aging agent D with a Chinese name of N-phenyl-2-naphthylamine, 1-1.2 parts of anti-aging agent 4010 with a Chinese name of N-phenyl-N'-cyclohexyl para-phenylene diamine, and 1.4-1.6 parts of accelerant TT with a Chinese name of tetramethylthiuram disulfide. According to the high-strength shock-absorbing rubber plate, a polar material, vulcanization depth and a three-dimensional network structure in sizing materials of the rubber plate are added, thus the tensile failure strength is ensured, the shore hardness is increased, and the high-strength shock-absorbing rubber plate can be normally used in a high-pressure environment.

The invention relates to a cable and application thereof to an electric power system. The cable consists of a cable conductor and an insulation material wrapping the cable conductor, wherein the insulation material is prepared from the following components: 90 to 100 parts of bisphenol F-type epoxy resin, 50 to 60 parts of phenolic resin powder, 25 to 30 parts of silicon carbide, 18 to 20 parts of white carbon black, 12 to 15 parts of N-ethyl-N-phenyl zinc aminodithioformic acid, 8 to 10 parts of calcium carbonate, 8 to 10 parts of kryocide, 6 to 8 parts of N-phenyl-2-naphthylamine, 5 to 7 parts of stearic acid, 4 to 6 parts of magnesium hydroxide, 4 to 6 parts of zinc borate, 2 to 3 parts of triallylamine isocyanuric acid ester, 2 parts of dimethylamino ethoxyethanol and 2 parts of oligopeptide. The prepared insulation material is good in mechanical performance and insulation and flame retardant performance, and the preparation method is simple.

The invention discloses a chloroprene rubber binder which is characterized by comprising the following components in parts by weight: 80-120 parts of chloroprene rubber, 20-30 parts of tertiary-butyl phenolic resin, 30-40 parts of cyclohexane, 120-140 parts of calcium carbonate, 70-80 parts of gasoline, 30-40 parts of acetone, 30-40 parts of ethyl acetate, 8-15 parts of zinc chloride, 5-10 parts of magnesium oxide and 2-3 parts of N-benzyl-2-naphthylamine. The binder disclosed by the invention has strong initial adhesion, high binding strength and high weather resistance, is free of benzene solvents, is safe and environment-friendly, and can be widely applied to binding woods, cement, metal base layers and flexible polyvinyl chloride.

The invention discloses a novel discharging agent for textile printing and dyeing. The novel discharging agent is prepared by the following components in parts by weight: 3 to 8 parts of fatty alcohol-polyoxyethylene ether, 3 to 6 parts of epichlorohydrin, 3 to 7 parts of boric acid, 5 to 10 parts of polyethylene glycol oil-based ether, 3 to 7 parts of polyvinylpyrrolidone, 2 to 3 parts of N-benyl-2-naphthylamine, 3 to 7 parts of sodium hydroxide, 11 to 12 parts of thiourea dioxide, 3 to 6 parts of rongalite, 7 to 12 parts of linear alkyl benzene sulphonic acid, 3 to 5 parts of ammonium sulfate, 17 to 22 parts of ethylene glycol, and 20 to 30 parts of deionized water. The novel discharging agent has the advantages that a modifying method is simple, the stability of a product is good, and the discharging effect of the thiourea dioxide can be improved; the defects of low solubility because of using the convention thiourea dioxide as the discharging agent for discharging and dyeing and the poorer dispersing uniformity, poorer net permeating property, insufficient playing of discharging function and the like in the discharging liquid are overcome.

The invention relates to an anti-aging cushion rubber rope which is characterized by comprising the following raw materials: 100-120 parts of 1# natural rubber, 1-3 parts of sulfur, 0.2-0.3 part of TT accelerator tetramethyl-thiuram disulfide, 0.5-0.6 part of CZ accelerator N-cyclohexyl-2-benzothiazole sulphenamide, 4-6 parts of zinc oxide, 0.9-1.1 parts of stearic acid, 0.9-1.1 parts of paraffin, 1-2 parts of D anti-aging agent N-phenyl-2-naphthylamine and 0.4-0.6 part of 4010NA anti-aging agent N-isopropyl-N'-phenyl-p-phenylene diamine. The anti-aging cushion rubber rope has the advantages of favorable aging resistance and longer service life.

The invention discloses a wrinkle-proof finishing agent for cotton fabric. The finishing agent comprises, by mass, 120-180 parts of urea-formaldehyde resin, 4-7 parts of potassium nitrate, 3-6 parts of penetrating agents JFC, 25-35 parts of softening agents VS, 2 parts of N-phenyl-2-naphthylamine, 1 part of methylbenzene and an appropriate amount of water. The designed wrinkle-proof finishing agent for the cotton fabric has the advantages that after treating, the fabric is comfortable, smooth and good in hand feeling and does not wrinkle and deform, and people wear the fabric comfortably. Meanwhile, the original color and lustre can be kept, and color fading will not happen. The finishing agent is mainly used for treating artificial cotton and linen and other materials, is good in wrinkle-proof performance and has the effects of improving color and lustre and softness. The designed wrinkle-proof finishing agent for the cotton fabric can be used for treating the cotton fabric and wool fabric.

This invention discloses a method for synthesizing active yellow DF-3RS. The method comprises: (1) pulping 2-naphthylamine-3,6,8-trisulfonic acid, adding HCl and NaNO2, and reacting to obtain diazo salt; (2) pulping m-ureido-naphthylamine, adding NaHCO3 and the above diazo salt, and reacting to obtain a coupling compound; (3) adding the coupling compound into pulped cyanuric chloride suspension, and reacting to obtain a first condensate; (4) adding sulfate ethylsulfone naphthylamine, reacting, removing inorganic salts with an ionic membrane, and spray-drying to obtain yellow DF-3RS. The method can reduce the deterioration of the environment, and raise the product yield.

The invention relates to a production method of refined tobias acid from a tobias acid stripping solution after performing extraction-stripping in tobias acid wastewater. The invention aims at providing a method for preparing the refined tobias acid from the tobias acid wastewater, which can reduce consumption of energy and materials and also reduces the content of ammonia nitrogen and the content of strong cancerogenic substance, namely 2-naphthylamine in the wastewater. The adopted technical scheme is as follows: the method comprises the following steps of: performing acidolysis and centrifugal separation on the striping solution obtained by performing extraction-stripping on the wastewater for producing the tobias acid, and abandoning filtrate to obtain a tobias acid stripping material; heating the tobias acid stripping material, performing alkali dissolution, and then performing hot filtration to obtain a stripping material alkaline solution; performing cooling, crystallization, secondary acidolysis and centrifugal filtration on the stripping material alkaline solution to obtain a tobias acid wet product; and beating and washing the tobias acid wet product with ethanol, and performing centrifugal filtration and drying to obtain the tobias acid with the purity of not less than 97.0%. The production method disclosed by the invention can be widely applied in the technical field of preparation of the refined tobias acid from the tobias acid wastewater.

The invention discloses hard-film rust preventive oil. The hard-film rust preventive oil comprises, by weight, 63-70 parts of solvent oil 120#, 10-14 parts of barium soap of petroleum ester oxide, 1-2 parts of tert-butyldiphenylchlorosilane, 0.7-1.4 parts of tetradecanol oleate, 3-5 parts of polyoxyethylene stearate, 1-2 parts of N-phenyl-2-naphthylamine, 2-3 parts of oleic acid, 1-2 parts of 6-tert-butylorthocresol, 0.6-1 part of anhydrous ethanol, 2-3 parts of dodecenyl succinic anhydride, 0.6-1.3 parts of decabromodiphenylethane and 10-15 parts of a film-forming assistant. A film with the hard-film rust preventive oil has high hardness, good transparency, good corrosion resistance, salt mist resistance and damp-heat resistance. The used film-forming assistant can effectively improve film-forming effects, improve adhesive ability, and prevent shedding and cracking.

The invention discloses a modified and emulsified asphalt composition. The modified and emulsified asphalt composition is prepared from the following materials: asphalt, polyvinyl alcohol, acrylic resin, epoxy resin, N-phenyl-2-naphthylamine, 2, 6-ditert-butyl p-cresol, calcium carbonate, mineral powder, an emulsifying agent and water. The modified and emulsified asphalt composition is obtained by the following steps of: heating water to 80-90 DEG C, adding the acrylic resin, the epoxy resin, N-phenyl-2-naphthylamine, 2, 6-ditert-butyl p-cresol, the asphalt and the emulsifying agent in sequence, raising the temperature and stirring for reaction for 2-3 hours. The modified and emulsified asphalt composition disclosed by the invention has the advantages that the use is convenient; a mixture with Arabic gum, polyacrylamide, tween and quaternary ammonium surfactant is adopted as the emulsifying agent, so that the emulsifying effect is good; due to the synergistic effect of all the added polyvinyl alcohol, acrylic resin, epoxy resin, N-phenyl-2-naphthylamine, 2, 6-ditert-butyl p-cresol, calcium carbonate and mineral powder, the stability and the dispersity of the emulsified asphalt are improved.

The invention discloses a medium corrosion-resistant fluorubber sealing gasket and a production method thereof. The sealing gasket is produced from, by weight, 30-50 parts of perfluoroether rubber, 20-40 parts of chloroprene rubber, 4-8 parts of bisphenol AF, 6-9 parts of white factice, 2-4 parts of thioisobutyramide, 19-33 parts of cancrinite powder, 12-24 parts of asbestos wool, 4-5 parts of diperoxocarbamate, 15-20 parts of colloid graphite powder, 3-5 parts of tetraethylammonium chloride, 7-11 parts of C5 petroleum resin, 4-6 parts of 1,2,3,4,5-pentachlorobibenzene, 20-30 parts of carbon black N990, 2-3 parts of 2,2'-methylenebis(4-ethyl-6-tert-butyl phenol), 1-2 parts of N-phenyl-2-naphthylamine and 15-20 parts of a modifier. The sealing gasket produced in the invention has the advantages of very protruding medium corrosion resistance, resistance to oil, acids, alkalis, salts, ethers, alcohols, water vapor and other corrosive media, and excellent wear, ageing and high temperature resistance.

The invention discloses an antirust agent containing modified sepiolite powder. The antirust agent is prepared from the following raw materials in parts by weight: 97-103 parts of castor oil, 1-2 parts of ferrocene, 1-2 parts of polyisobutene, 0.5-0.7 part of ammonium dihydrogen phosphate, 0.9-1.8 parts of ammonium benzoate, 1-2 parts of 2-methylimidazole, 0.4-0.8 part of beta-naphthylamine, 0.7-1.6 parts of N-phenyl-2-naphthylamine, 1-2 parts of zinc dialkyl dithiophosphate, 0.7-1.3 parts of sodium dodecyl sulfate, 1-1.8 parts of polyethylene glycol, 4.4-5.6 parts of film-forming resins and 0.8-1.6 parts of modified sepiolite powder. The antirust agent has excellent contact antirusting performance and good gas-phase antirusting effect and has good gas-phase antirusting effect and contact antirusting effect on steels and brasses.