611 results about "Phthalic acid" patented technology

The invention discloses a quick-curing polyurethane seamless expansion joint material for roads and a preparation method, and belongs to the technical field of road engineering materials. The material is prepared from polyether polyol, polycaprolactone glycol, a bisphenol A epoxy-polyether block isocyanate terminated prepolymer, a methyl phenyl silicon-boron hybrid hydroxyl chain extender, diphenylmethane diisocyanate, calcium carbonate, wollastonite, a hindered amine anti-aging agent and dioctyl phthalate. Wherein the bisphenol A epoxy-polyether block isocyanate terminated prepolymer is prepared by the following steps: reacting bisphenol A with epoxy chloropropane to generate epoxy resin, reacting with polytetramethylene ether glycol, and introducing isophorone diisocyanate; the methyl phenyl silicon-boron hybrid hydroxyl chain extender is prepared by carrying out hydrosilylation and ethylene glycol reaction on methyl trimethoxy silane, 3-glycidyl ether oxypropyl trimethoxy silane and allylboronic acid pinacol ester; and the methyl phenyl silicon-boron hybrid hydroxyl chain extender is prepared by carrying out hydrosilylation on methyl trimethoxy silane, 3-glycidyl ether oxypropyl trimethoxy silane and allylboronic acid pinacol ester. The material has the advantages of quick curing property, weather resistance and high-temperature stability, and is suitable for road seamless expansion joint scenes.

The invention relates to the technical field of shield tunnel construction, and discloses a shield tunnel segment joint waterproof material and a waterproof structure, the shield tunnel segment joint waterproof material comprises a component A and a component B; the component A comprises the following component: 30-40 parts of liquid polysulfide rubber; 5 to 10 parts of a fluorinated polyurethane prepolymer; 1-5 parts of a silane coupling agent; 3-5 parts of fumed silica; 8-15 parts of hollow glass beads; 10 to 15 parts of nano calcium carbonate; 0.5 to 2 parts of polytetrafluoroethylene micro powder; 0.1 to 1 part of ettringite; the component B comprises the following component: 1-5 parts of manganese dioxide; and 5 to 10 parts of dioctyl phthalate. By utilizing the characteristics that the sealing gasket has excellent fluidity during injection and can be automatically cured into a high elastomer within a set time, a pre-installed sealing gasket can be replaced by adopting an innovative injection process, and the construction difficulty faced by high-precision shield segment assembly in a high-water-pressure environment is effectively solved.

The invention discloses a liquid treatment agent for red mud harmless treatment and a preparation method thereof.The liquid treatment agent comprises a treatment agent A and a treatment agent B. The treatment agent A is formed by mixing hydrochloric acid and sulfuric acid, and the treatment agent B is prepared from malic acid, acetic acid, phthalic acid monoester, a solvent and an adsorbent, the mass fraction of the malic acid is 20%-40%, the mass fraction of the acetic acid is 20%-40%, the mass fraction of the phthalic acid monoester is 15%-25%, the mass fraction of the solvent is 5%-15%, and the mass fraction of the adsorbent is 5%-15%. The red mud is subjected to primary treatment by using the liquid treatment agent A, and then the red mud subjected to primary treatment is treated again by using the liquid treatment agent B, so that the alkalinity of the red mud can be effectively reduced, and various heavy metals, fluorides, radioactive elements and trace toxic elements in the red mud can be effectively removed; the environment pollution caused by the loss of the harmful substances is avoided, so that the innocent treatment of the red mud is realized.

The invention discloses an anti-aging light-conversion silver black mulching film and a preparation method thereof, and belongs to the technical field of agricultural polymer films. The preparation method comprises the following steps: S1, mixing low-density polyethylene powder, aluminum paste, a complex light conversion agent, dioctyl phthalate and EVA (Ethylene Vinyl Acetate) to prepare silver light conversion master batches; s2, vinyl-terminated fluorosilicone oil, tert-butyl peroxybenzoate and linear low-density polyethylene powder are stirred for a reaction, and modified low-density polyethylene is obtained; the modified low-density polyethylene, maleic anhydride grafted polyethylene, a multi-effect light stabilizer and polyethylene wax are subjected to banburying granulation, and modified light-stable master batches are obtained; s3, carrying out banburying granulation on the low-density polyethylene powder, the polyethylene powder, carbon black, zinc stearate, ethylene bis-stearamide and the EVA powder to obtain black master batches; s4, blending the silver layer and the black layer, and performing double-layer co-extrusion to obtain the light-conversion silver-black mulching film. The light-conversion silver black mulching film provided by the invention has good mechanical properties and aging resistance.

The application discloses a method for inhibiting the migration of toxic small molecules in plastics based on a protein-based phase transition composite coating, which is characterized by the following steps: inducing the rapid phase transition of proteins on the surface of plastics by a disulfide bond reducing agent to form a nanofilm, and adsorbing polysaccharides on the surface of the nanofilm to form a protein-based phase transition composite coating on the surface of the plastics, which can inhibit the migration of toxic small molecules in the plastics. The preparation method of the protein-based phase transition composite coating is simple, the cost is low, the inhibition effect on the migration of phthalate plasticizers and bisphenol A in plastics (such as PVC, PP, PE, PS and PET) is good, the adsorption of drugs on the surface of medical plastics can be prevented at the same time, the protein-based phase transition composite coating has good biocompatibility, is suitable for temperature-sensitive plastics, has universality, can be safely used on the surface of food and medical plastic products, and has a good popularization and application prospect on the surface of plastics.

The invention discloses an antibacterial coating which comprises a component A and a component B. The component A comprises the following raw materials in parts by weight: 40-60 parts of epoxy resin, 15-35 parts of polyamide resin, 5-10 parts of tea tree essential oil, 1-3 parts of di (2-ethylhexyl) phthalate, 1-2 parts of fumed silica, 1-2 parts of acrylate, 1-2 parts of sodium phosphate and 1-2 parts of polyvinyl ether. The component B comprises the following raw materials in parts by weight: 20-30 parts of modified nano zinc oxide, 40-60 parts of an antibacterial curing agent, 15-20 parts of butanol and 2-10 parts of acetone. The weight ratio of the component A to the component B is 8: (2-4), and the water-resistant coating is excellent in mechanical property, high in adhesive force and good in water resistance.

The invention relates to high-molecular-weight polydiethylene glycol phthalate, a preparation method thereof and low-warping hydrolysis-resistant glass fiber reinforced PBT (polybutylene terephthalate) in the field of resin. The high-molecular-weight polydiethylene glycol phthalate has a structure as shown in a formula (I), and the low-warping hydrolysis-resistant glass fiber reinforced PBT is prepared from the following components: PBT, high-molecular-weight polydiethylene glycol phthalate, an inorganic filler and glass fibers. By adding the high-molecular-weight polydiethylene glycol phthalate, the tensile strength and bending strength of a PBT and high-molecular-weight polydiethylene glycol phthalate blending system can be improved, the notch impact strength of the system can be improved to a certain extent, the molding shrinkage rate of the blending system is reduced, and the PBT / high-molecular-weight polydiethylene glycol phthalate blending system has hydrolysis resistance and can be used for preparing the PBT / high-molecular-weight polydiethylene glycol phthalate composite material. And the effect is obvious.

The invention discloses mongolian mongolian yeast and an application thereof. Relates to the technical field of fermentation. The invention provides a specific strain and application thereof in tobacco leaves. According to the tobacco leaf extracting solution fermented by the bacterial strain, the content of esters such as 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, tributyl phosphate, dihydroactinidiolide, dibutyl phthalate, 3-(3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate and methyl palmitate is remarkably increased, and the content of the esters such as 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, tributyl phosphate, dihydroactinidiolide, dibutyl phthalate, 3-(3, 5-di-tert-butyl-4-hydroxyphenyl) methyl propionate and methyl palmitate is remarkably increased; three novel ester substances with fruit fragrance, rosin and other characteristic fragrances are newly generated, and the overall fragrance style is remarkably enhanced. It is shown that the aroma-producing caribeckia mongolica yeast MC-5 fermented tobacco leaf extracting solution has good aroma-producing capacity, and through the combined effect of enzymolysis and fermentation, the aroma-producing caribeckia mongolica yeast MC-5 fermented tobacco leaf extracting solution is expected to play an important application value in the field of quality improvement and aroma enhancement of tobacco leaf raw materials.

The invention discloses cold-resistant and tear-resistant coating resin and a preparation method thereof, and relates to the technical field of coatings. The invention discloses cold-resistant and tear-resistant coating resin. The invention relates to a water-based paint, which is prepared from the following raw materials in parts by weight: 40 to 60 parts of modified epoxy resin, 15 to 25 parts of poly (hexanediol adipate), 5 to 10 parts of modified nano silicon dioxide, 8 to 15 parts of diphenylmethane diisocyanate, 3 to 8 parts of trimethylolpropane, 10 to 20 parts of methyl methacrylate, 8 to 15 parts of butyl acrylate, 0.5 to 2 parts of benzoyl peroxide and 0.2 to 0.8 part of dibutyltin dilaurate. The invention relates to an anti-aging coating which comprises the following components in parts by weight: 20-30 parts of a silane coupling agent, 1-3 parts of a silane coupling agent KH-550, 0.3-1 part of an anti-aging agent 264, 5-12 parts of dioctyl phthalate and 20-35 parts of a mixed organic solvent. The raw materials are scientifically proportioned, and the cold resistance and tear resistance of the coating are remarkably improved through the synergistic effect of the modified epoxy resin and the modified nano silicon dioxide; water is strictly controlled in the whole process, side reaction is avoided, and stable resin structure is guaranteed; the preparation steps are clear and definite, the repeatability is high, the solvent system adaptability is good, construction is convenient and fast, and the method is suitable for base material protection in various low-temperature scenes.

The invention relates to a flame-retardant power cable material and a preparation method thereof, and belongs to the technical field of high polymer materials. The flame-retardant power cable material is composed of a conductor wire core, an insulating layer and an outer sheath, wherein the insulating layer and the outer sheath sequentially coat the outer side of the conductor wire core; the outer sheath is prepared from the following raw materials in parts by weight: 80-120 parts of polypropylene resin, 20-30 parts of nitrile rubber, 5-20 parts of a modified flame retardant, 3-5 parts of dioctyl phthalate, 10-20 parts of nano silicon dioxide, 1-3 parts of butyl stearate and 3-5 parts of zinc stearate; the flame-retardant power cable material prepared by the invention not only has good flame-retardant and tensile strength effects, but also has an excellent anti-aging effect.

The invention discloses a cold-drawing heat-setting high-elasticity cowhells belt composite material, and relates to the technical field of composite materials. The invention relates to a cold-drawing heat-setting high-elasticity cowhells belt composite material. The composite material is prepared from the following raw materials in parts by weight: 12 to 18 parts of nano calcium carbonate, 0.1 to 0.4 part of silane coupling agent KH-550, 30 to 40 parts of modified thermoplastic polyurethane, 18 to 22 parts of ethylene-vinyl acetate copolymer, 5 to 8 parts of natural rubber, 3 to 5 parts of diisononyl phthalate, 0.3 to 0.5 part of compound antioxidant, 0.2 to 0.4 part of ultraviolet light absorber UV-9, 6 to 8 parts of aramid short fiber and 0.2 to 0.5 part of zinc stearate. 10 to 15 parts of modified polyethylene terephthalate fiber, 0.2 to 0.3 part of graphene and 0.5 to 1.5 parts of organic silicon treatment liquid. According to the cold-drawing heat-setting high-elasticity cowhells belt composite material, a matrix is reinforced through modified thermoplastic polyurethane and modified polyethylene terephthalate fibers, and the strength is improved through aramid short fibers subjected to plasma pretreatment. Molecular orientation is optimized by a cold drawing and heat setting process, weather resistance is enhanced by an organic silicon coating, and good overall elasticity, high strength and excellent wear resistance and weather resistance are achieved.

This invention proposes a catalyst component, catalyst, and their applications for olefin polymerization, belonging to the field of olefin polymerization technology. The catalyst component contains products obtained from the reaction of a magnesium source, a titanium source, and an internal electron donor, wherein the internal electron donor comprises furan compounds and diether compounds. The catalyst of this invention exhibits high hydrogen sensitivity and stereoregulation, with a good balance between the two. The molecular weight distribution of the prepared low melt index polymer is broader than that of the high melt index polymer, and the catalyst component of this invention does not contain phthalate compounds (plasticizers).

A rapid disintegration type enteric gelatin hollow capsule shell belongs to the technical field of hollow capsule production, and comprises the following components by mass: 70%-90% of gelatin, 0.01%-5.0% of a humectant, 0.01%-10% of a surfactant, 0.01%-10% of a plasticizer, 0-5% of a disintegrating agent, 0.1%-10% of an opacifying agent, and 1.0%-20% of a coating material. The method comprises the following steps: synchronously forming a glue solution and a coating, alternately dipping in glue, and drying at low temperature; the preparation method has the beneficial effects that a disintegration acceleration mechanism is adopted, the disintegrating agent quickly absorbs water and expands in intestinal juice, and the permeability of the capsule shell is enhanced by cooperating with the surfactant; the proportion of a coating material is optimized, and hydroxypropyl methylcellulose phthalate is greater than or equal to 15%, so that the intestinal juice response speed is increased; and the disintegration time in intestinal juice is about 8 minutes, which is increased by about 50% compared with the disintegration time of about 15 minutes of the traditional capsule.

The invention belongs to the technical field of polylactic acid fibers, and particularly relates to a method for preparing polylactic acid fibers based on wet spinning. The preparation method comprises the following steps: firstly, pretreating polylactic acid particles, and fully drying the polylactic acid particles in an electrothermal forced air drying oven to remove moisture; 1, 4-dioxane is used as a solvent, dioctyl phthalate is used as a flexibilizer, the dried polylactic acid particles are dissolved in a mixed system of the solvent and the flexibilizer, heating and stirring are conducted till complete dissolution is achieved, and a spinning solution is prepared; performing centrifugal treatment by a centrifugal machine to eliminate bubbles in the spinning solution; sequentially carrying out spinneret orifice extrusion, coagulating bath forming, drafting and winding processes on the defoamed spinning solution to finally obtain the polylactic acid fiber. The method is simple and controllable in process, effectively improves the continuity and mechanical properties of the fibers, and is suitable for large-scale preparation of biodegradable fibers.

The invention discloses an internal electron donor for olefin polymerization, a catalyst component, a catalyst and application of the internal electron donor, the internal electron donor for olefin polymerization has a structure as shown in a formula I. In the formula I, R1 and R2 are the same or different and are independently selected from C1-C20 alkyl containing or not containing heteroatoms, and R1 and R2 are independently selected from C1-C20 alkyl containing or not containing heteroatoms. The heteroatom is one or a combination of more than two heteroatoms selected from H, N, O, S, P, Si and halogen; x is CH or N. The internal electron donor adopts a non-plasticizer internal electron donor, the prepared catalyst has high catalytic activity which is generally higher than that of common phthalate and diether internal electron donor catalysts in industry, and the polymer obtained by catalytic polymerization has the advantages of regular particle size, high bulk density, high isotacticity, small temperature fluctuation in a kettle during polymerization, and good stability. The reaction is stable and industrial production is facilitated.

The application belongs to the technical field of ink, and discloses a UV touch ink and a preparation method thereof.The UV touch ink comprises a UV modified acrylate, an acetylacetate ethyl ester-containing acrylic resin, an active monomer, an organic wax, a photoinitiator and a solvent; the active monomer is selected from at least one of dipropylene glycol diacrylate, diethylene glycol phthalate diacrylate, neopentyl glycol diacrylate and hexanediol diacrylate. The UV modified acrylate, the acetylacetate ethyl ester-containing acrylic resin, the active monomer and the organic wax are used as main components, and the selection of the active monomer enables the prepared UV touch ink to have excellent skin feeling and velvet feeling effects, and excellent adhesion, light resistance, weather resistance, alcohol resistance and solvent resistance. Meanwhile, the UV touch ink can simplify the curing process, and only needs to be dried by UV after printing, has high curing efficiency, and does not need to be dried by hot air and UV.

The invention relates to the technical field of building waterproof materials, in particular to a rubber waterstop for a deformation joint of a combined concrete floor. The rubber waterstop sequentially comprises a composite rubber plate, a self-adhesive rubber sheet and an elastic supporting strip from top to bottom. The composite rubber plate is composed of a modified rubber plate and a glass fabric reinforcing layer arranged on the top of the modified rubber plate. The modified rubber plate is prepared by the following method: putting 90-110 parts by weight of a rubber base material, 4-6 parts by weight of nano zinc oxide, 1-1.5 parts by weight of stearic acid, 2-3 parts by weight of an anti-aging agent, 8-12 parts by weight of a functional aid, 20-30 parts by weight of dioctyl phthalate, 15-30 parts by weight of carbon black, 20-40 parts by weight of kaolin and 1-2 parts by weight of an accelerant into an internal mixer for mixing; performing extrusion molding on the rubber compound by adopting an extruder or a calender, and then performing cutting treatment, thereby obtaining the product. The rubber waterstop provided by the invention not only has excellent waterproof and dynamic sealing effects, but also has excellent mechanical properties and aging resistance; meanwhile, installation is flexible and efficient, and construction and later maintenance cost is reduced.

This invention discloses a method for preparing and analyzing trans-4-aminocyclohexylacetic acid. The preparation method is as follows: 4-nitrophenylacetic acid undergoes catalytic hydrogenation in a solvent, followed by filtration. The filtrate is then treated with acid to obtain a 4-aminophenylacetic acid salt solution. The collected catalyst is activated. The 4-aminophenylacetic acid salt solution is mixed with isopropanol, barium hydroxide, tetrabutylammonium bromide, 18-crown ether-6, and dibutyl phthalate. The activated catalyst is then added to initiate a catalytic hydrogenation reaction. After the reaction, the reaction solution is cooled and filtered. The resulting solid is mixed with a preheated dilute sulfuric acid solution and stirred to form a slurry. The mixture is then filtered, and the filtrate is neutralized and filtered again. The collected filtrate is concentrated and crystallized. The crystallized precipitate is washed and dried to obtain trans-4-aminocyclohexylacetic acid. The method provided by this invention has high reaction efficiency, mild conditions, and is suitable for industrial production. It yields high product purity and reliability. Furthermore, the analytical method provided by this invention is accurate and reliable.

The application discloses an Aeromonas media strain capable of degrading PAEs and an application thereof, and belongs to the technical field of microorganisms. The strain is Aeromonas media HJ02, and the preservation number is GDMCC NO: 66828. The strain has obvious advantages in environmental adaptability and PAEs pollutant degradation activity, can efficiently degrade various PAEs and intermediate metabolites, and maintains good growth kinetic characteristics in a 0-120 h culture period. When the initial concentration of diisooctyl phthalate (DEHP) is 300 mg / L, the strain can significantly reduce the residual content of DEHP in the culture system after culture, and the 24 h degradation rate reaches 91.73 %. The application has the advantages of simple operation, safety and economy, provides efficient and stable microbial resources for PAEs pollution remediation, and has important practical value.

This invention relates to a polyurethane-modified silicone protective material for the outer wall of wind turbine towers, and discloses a method for preparing the same material. The material is prepared by mixing acrylate-hedged phenol-modified trimethyl silicone oil, isocyanate-modified polyether polyol polyurethane, ultrafine silica, nano-alumina, short-fiber glass, triethylamine, benzoyl peroxide, dioctyl phthalate (DOP), phthalocyanine UV absorbers, dibutyltin diethylene (DDBT), and imidazole antifungal agents in a specific weight ratio. This material exhibits excellent weather resistance, mechanical strength, heat resistance, UV resistance, and antifungal properties, making it particularly suitable for the protection of wind turbine towers. The preparation method ensures the stability and consistency of the material's performance by precisely controlling the proportions of each component and the curing conditions. This material effectively improves the UV resistance, corrosion resistance, weather resistance, and overall durability of wind turbine towers, extending their service life and reducing maintenance costs. This invention provides a high-performance protective material for the outer wall of wind turbine towers, which has significant engineering application value. Especially in environments with long-term high humidity, low temperature, and strong ultraviolet radiation, it can significantly improve the stability and service life of the tower. This polyurethane-modified silicone protective material exhibits excellent protective performance in demanding application environments such as wind turbine towers, and has broad market application prospects.

The utility model discloses a production device of 3-acetamino phthalic acid, and belongs to the technical field of chemical production devices. The device comprises an acylation reaction device, an acidification device and a solid-liquid filtering device. The acylation reaction device comprises an acylation reaction kettle with a stirring device, an acetic anhydride high-position metering tank with a first rotor flow meter, a solid feeding hole and a first conveying pump; the acidification device comprises an acidification reaction kettle with a stirring device, a hydrochloric acid high-position metering tank with a second rotor flow meter, an online pH meter and a second delivery pump; and the solid-liquid filtering device comprises solid-liquid separation equipment, a filtrate receiving tank and a product collecting tank. All the devices of the device are connected through pipelines and stop valves. According to the utility model, the dosage of hydrochloric acid is reduced by adjusting the dosage of acetic anhydride and controlling the acidification pH value, so that the production cost is reduced, and the quality and yield of the product 3-acetamino phthalic acid are improved.

The invention discloses a generalized pustular psoriasis diagnosis marker based on metabonomics and application of the generalized pustular psoriasis diagnosis marker. The diagnostic marker is prepared from one or more of the following 35 compounds: pyruvic acid, alpha-ketoisovaleric acid, 2-hydroxybutyric acid, 3-hydroxybutyric acid, methane thiophosphoric acid, proline, uracil, tranexamic acid, 4-aminobutyric acid, threonine, scopoletin, dodecanol, N-methyl-L-leucine, L-cysteine-glycine and L-kynurenine. The feed additive is prepared from the following raw materials: 3-hydroxybenzoic acid, allantoin, delta-tocopherol, xylofuranose, glucose-1-phosphoric acid, pyrophosphate, taurine, L-asparagine, phthalic acid, 4-(dimethylamino) azobenzene, 5-tert-butyl-1h-indole-2, 3-dione, quinic acid, glucose, histidine, lysine, palmitic acid, 7-methylguanine, oleic acid and whale acid. The marker can be used for accurately distinguishing patients with generalized pustular psoriasis from healthy people.

The invention discloses a flame-retardant fireproof hose and a preparation method thereof, and relates to the technical field of flame-retardant fireproof materials. The invention discloses a flame-retardant fireproof hose. The flame-retardant rubber material is prepared from the following raw materials in parts by weight: 60 to 80 parts of ethylene propylene diene monomer, 20 to 30 parts of chlorinated polyethylene, 5 to 12 parts of dioctyl phthalate, 1 to 3 parts of stearic acid, 40 to 60 parts of modified magnesium hydroxide, 5 to 10 parts of antimony trioxide, 2 to 5 parts of nano silicon dioxide, 8 to 15 parts of decabromodiphenyl ether, 3 to 8 parts of carbon black, 15 to 25 parts of modified glass fiber and 1.5 to 3 parts of dicumyl peroxide. And sufficient polyvinyl chloride flame-retardant coating is provided. The flame-retardant fireproof hose is scientific in raw material ratio, the ethylene propylene diene monomer and the chlorinated polyethylene synergistically improve the toughness of a matrix, and the modified magnesium hydroxide and the modified glass fibers enhance the flame retardance and mechanical properties; the preparation process is rigorous, uniform dispersion of the filler is ensured through multi-step modification, and vulcanization and spraying parameters are accurate and controllable; the product is excellent in flame retardance, high in process reproducibility, suitable for large-scale production and capable of meeting the fireproof requirements of various scenes.

The invention provides an aramid fiber fabric and nitrile rubber composite material which is obtained by compounding an aramid fiber fabric and nitrile rubber slurry, the nitrile rubber slurry is prepared from the following raw materials in parts by mass: 100 parts of nitrile rubber, 20-30 parts of dioctyl phthalate, 30-60 parts of heat-resistant resin, 5-10 parts of a compatibilizer, 30-60 parts of modified white carbon black, 4-9 parts of titanium dioxide, 0.5-3 parts of an anti-aging agent, 1-4 parts of stearic acid, 1-6 parts of an accelerant, 2-4 parts of a vulcanizing agent and 5-10 parts of nano montmorillonite. 1-2 parts of a resin curing catalyst and 300-500 parts of an organic solvent; and the anti-aging agent is prepared from 2-hydroxy-4-methoxybenzophenone of which the content is more than 5wt%. The aramid fiber fabric and the nitrile rubber in the prepared aramid fiber fabric and nitrile rubber composite material have relatively strong interface bonding force, layering and stripping phenomena can be effectively avoided, the stability of mechanical properties such as tensile strength and tearing strength of the material is improved, and the composite material has relatively good water resistance and oil resistance.

The invention discloses an Apiotrichum loubieri gene and an application of the Apiotrichum loubieri gene. Relates to the technical field of fermentation. The invention provides a specific strain and application thereof in reconstituted tobacco. According to the tobacco leaf extracting solution fermented by the bacterial strain, the content of esters such as 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, dimethyl phthalate, tributyl phosphate, dihydroactinidiolide and methyl palmitate is remarkably increased, and the content of the esters such as 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, dimethyl phthalate, tributyl phosphate, dihydroactinidiolide and methyl palmitate is remarkably increased; nine novel ester substances with aromatic smell, fruit fragrance, flower fragrance and other characteristic aromas are newly generated, and four phenolic aroma components are newly added. And the whole fragrance style is obviously enhanced. It is shown that the aroma-producing Apiotrichum loubieri AL-4 fermented tobacco enzyme extracting solution has good aroma-producing capacity, and through the combined effect of enzymolysis and fermentation, the aroma-producing Apiotrichum loubieri AL-4 fermented tobacco enzyme extracting solution is expected to play an important application value in the field of reconstituted tobacco raw material quality improvement.

The invention provides a high-temperature-resistant water shutoff agent as well as preparation and application thereof. The water shutoff agent is prepared from the following components in parts by weight: 100 to 110 parts of sodium lauryl alcohol phthalate, 45 to 55 parts of polyoxyethylene sorbitan monooleate, 60 to 70 parts of lignin surfactant, 65 to 75 parts of alpha-olefin sulfonate and 330 to 380 parts of oleic acid. The preparation process of the water shutoff agent comprises the following steps: adding the sodium lauryl alcohol ester phthalate and the polyoxyethylene sorbitan monooleate into a reaction kettle, and uniformly stirring to obtain a first reaction solution; adding a lignin surfactant and alpha-olefin sulfonate into the first reaction solution at one time, and uniformly stirring to obtain a third reaction solution; equally dividing oleic acid into two groups, adding one group of oleic acid into the third reaction solution, and uniformly stirring to obtain a fourth reaction solution; and adding another group of oleic acid into the fourth reaction liquid, uniformly stirring, and standing to obtain the water shutoff agent. The problems that a water plugging agent is poor in plugging effect in a high-temperature oil reservoir and low in crude oil recovery rate can be solved.

The application discloses an environmentally-friendly soft type yoga mat special silk-screen printing ink and a preparation method thereof, and belongs to the technical field of silk-screen printing inks. The ink comprises the following components in parts by weight: 30-50 parts of main body resin, 5-15 parts of environmentally-friendly pigment, 25-45 parts of environmentally-friendly composite solvent, 1-5 parts of adhesion promoter, 0.5-2 parts of rheological additive, 0.5-2 parts of scratch-resistant additive, and 2-8 parts of environmentally-friendly non-ortho phenyl plasticizer. The ink is extremely environmentally-friendly, meets international export standards, and is free of phthalate plasticizers, benzophenone solvents and heavy metal pigments in the whole process. Instead, the ink uses citric acid ester non-ortho phenyl plasticizers, benzene-free and ketone-free composite solvents and heavy metal-free organic pigments. The VOC content is far lower than the national limit value, the irritating odor is eliminated, and phthalate controlled substances are not detected. The ink meets the EU REACH regulation appendix XVII 51 / 52 and the EN71-3 toy safety standard, and completely solves the problem of limited export of traditional inks.

The application relates to the field of electrochemiluminescence detection, in particular to a preparation method and a detection method of an electrochemiluminescence sensor for detecting di(2-ethylhexyl) phthalate. Technical points are as follows: the electrochemiluminescence aptamer sensor is formed by loading carboxylated ligands on the surface of a Zr-MOF / GDY composite material modified glassy carbon electrode; the Zr-MOF / GDY composite material is formed by electrostatic interaction between Zr-MOF and GDY; and the carboxylated aptamer is an aptamer containing a base sequence of 5'-GGGTAGGGCGGGAAGTTACTGTCTTACTGTC GTA-3'. The recovery effect of DEHP on the ECL signal intensity of the electrochemiluminescence aptamer sensor of the GDY and Zr-MOF composite material is used to realize the detection of DEHP, and the detection method is simple in operation, good in selectivity and high in sensitivity.

This invention discloses a method for preparing a supported low-carbon hydrocarbon deodorization catalyst. The method includes: (1) preparing a catalyst containing M... 2+ and M' 3+ (1) Add molecular sieve to the solution and stir evenly; (2) React the obtained suspension with a mixed solution of NaOH and Na2CO3 or a weak alkaline solution under stirring; (3) Obtain the composite carrier by drying and calcination; (4) Prepare a cobalt salt solution and transfer Co to the cobalt salt solution by ion exchange. 2+ (5) After filtration and drying, Co molecular sieve solid alkali is obtained; (6) Co molecular sieve solid alkali, ammonium phthalate sulfonate, urea, ammonium molybdate, and phthalic anhydride are added in proportion and ground evenly; (7) The obtained material is heated under an inert atmosphere to react and obtain the catalyst product. In the catalyst prepared by this invention, sulfonated cobalt phthalocyanine is combined with molecular sieve through chemical bonds, the active component has a stronger binding force and a longer service life.

A nonwoven, a method for making such a nonwoven, and the use of waste carbon to make such a nonwoven. The nonwoven has a total carbon content (TCC) from which 10% to 100% of the TCC of the nonwoven are derived from waste carbon. The nonwoven meets one or more of the criteria a) to e) by comprising less thana) 5000 μg / kg of iso-Nonylphenolhexaethoxylate;b) 500 μg / kg of iso-Nonylphenol;c) 4.0 ng / kg of Octachlorodibenzodioxin;d) 500 μg / kg of Di-2-ethylhexyl phthalate; and / ore) 25 μg / kg of Napthalene.