15results about How to "Increase polarity" patented technology

This invention relates to the field of microbial technology, disclosing a *Strombus adhesiveus* strain YF2 that degrades polyethylene mulch film, microbial preparations, methods, and applications, addressing the problems of insufficient efficacy and unclear mechanisms in existing PE-degrading strains. This strain is deposited at the Guangdong Provincial Microbial Culture Collection Center, with accession number GDMCC No:67086, and a deposit date of October 13, 2025. Through systematic parallel comparisons, strain YF2 significantly outperformed the control strain in PE degradation efficiency, biofilm formation ability, and induction of PE polymer oxidation. Genomic analysis showed that YF2 contains a genetic network encoding key degrading enzyme systems such as nitroreductase, cytochrome P450, and alkane monooxygenase, and particularly possesses unique nitrification degradation potential. Microbial preparations prepared based on this strain can be used for the bioremediation of PE mulch film residues in farmland soils, compost, and other environments.

This invention provides an absorbent for capturing carbon dioxide and a method for capturing carbon dioxide. By volume percentage, the absorbent comprises 20-60% glycine salt aqueous solution, 10-50% triethylene glycol monomethyl ether, 5-10% ethylene glycol, and the balance being water. This absorbent combines the advantages of glycine salt systems, such as low volatility, non-toxicity, safety, and better antioxidant degradation resistance, while avoiding the risk of solid precipitates forming after absorption by the glycine salt system, which could cause pipeline blockage.

The application discloses a kind of polypropylene coating and preparation method thereof, belong to polypropylene coating technical field, first by photo-induced mercapto-alkene reaction preparation amino tung oil acid, again by template method copolycondensation synthesis mesoporous organosilica amino tung oil acid, simultaneously polypropylene and trifluoroethyl methacrylate melt grafting obtains TFEMA grafted modified polypropylene, finally with xylene as solvent, bismaleimide is used as crosslinking agent, and each component is blended to obtain polypropylene coating;The application is endowed with low surface energy and weathering stability by introducing fluorine-containing group to coating, combined with the ultraviolet shielding function of mesoporous organosilica, supplemented by BMI dynamic reversible crosslinking to build strong adhesion and self-repairing network, synergistically solve the technical problems that traditional polypropylene coating is poor in ultraviolet stability, weak in adhesion, and easy to age, significantly improve the outdoor durability, self-repairing and corrosion resistance of coating, and be applicable to outdoor building materials, automobile shell and other high-end protection fields with strict durability requirements.

This invention discloses a soybean phospholipid-based nanoemulsion and its preparation method, belonging to the fields of molecular biology and biomedicine. This invention addresses the technical problem of refining the particle size and improving the stability of existing soybean phospholipid-based nanoemulsions for use in fine pharmaceuticals. A method for preparing a soybean phospholipid-based nanoemulsion includes the following steps: S1, modified glycerol phosphorylcholine and cholesterol are mixed in ethanol, then phosphatidylethanolamine and a composite stabilizer are added to form an oil phase; deionized water, glycerol, and polyether F68 are mixed to form an aqueous phase; S2, the oil phase is injected into the aqueous phase and homogenized at high speed to obtain a preliminary mixture; the pH of the preliminary mixture is adjusted to prepare a primary emulsion; the primary emulsion undergoes low-pressure homogenization followed by high-pressure homogenization to obtain a nanoemulsion; the nanoemulsion is filtered through a microporous membrane to obtain the soybean phospholipid-based nanoemulsion. The nanoemulsion prepared by this invention has the advantages of small particle size and good photothermal stability.

This application belongs to the field of organic materials technology, and provides an organic compound with the structure shown in Formula 1. This application also provides an organic electroluminescent device and electronic device comprising this organic compound. As an organic electroluminescent layer material, this organic compound can effectively improve the luminous efficiency of the organic electroluminescent device and extend its service life.

This invention discloses an industrial-scale chemical preparation method for 1,2-di fatty acid glycerides, comprising the following steps: (A) acetone glycerol is protected with a silyl ether protecting agent and purified by crystallization to obtain intermediate 1; (B) intermediate 1 undergoes a depropionyl protecting group reaction and crystallization to obtain intermediate 2; (C) intermediate 2 undergoes an esterification reaction and crystallization and adsorption to obtain intermediate 3; (D) intermediate 3 undergoes a desilyl ether protection reaction and recrystallization to obtain 1,2-di fatty acid glycerides. This invention, through crystallization purification under different conditions, avoids the disadvantages of traditional chemical methods for preparing 1,2-di fatty acid glycerides, such as the need for multiple column chromatography purification steps, low yield, and difficulty in industrialization. This method features mild operating conditions, high purity, and is easily scalable for large-scale industrialization.

The application provides an amino-modified micro-nanoparticle modified asphalt and a preparation method thereof. The asphalt is prepared from amino-modified micro-nanoparticles and acid anhydride modified asphalt, wherein the weight ratio of the amino-modified micro-nanoparticles to the acid anhydride modified asphalt is 0.005-0.05:1. The preparation method of the modified asphalt is as follows: a proper amount of amino-modified micro-nanoparticles is added into molten acid anhydride modified asphalt, the temperature is maintained at 100-200 DEG C, and the stirring is continuously carried out at a speed of 1000-2000 rpm for 0.5-5 h to obtain the modified asphalt with uniformly dispersed micro-nanoparticles. The modified asphalt prepared by the application has significantly improved high-temperature performance, enhanced anti-rutting capacity and improved anti-aging performance compared with the base asphalt, and has great application potential in highways in high-temperature regions.

This invention relates to a method for preparing a flotation collector, a flotation collector, and a flotation method for oxidized minerals, belonging to the field of mineral processing technology. It solves the problems of low flotation recovery rates, high temperature dependence, high energy consumption, and environmental pollution associated with existing collectors for oxidized minerals. The flotation collector prepared by the method described above has high polarity, significantly enhancing the adsorption between it and functional groups on the mineral surface, thus improving the mineral flotation recovery rate. Under low-temperature conditions, it exhibits good water solubility and dispersibility, contributing to improved mineral recovery rates at low temperatures. Combined with the appropriate carbon chain length of the collector molecule, flotation can be achieved over a wide flotation temperature range, reducing the impact of temperature on mineral flotation and achieving energy saving and carbon reduction in the flotation method. Furthermore, the collector molecule contains two carboxyl groups, readily chelating with metal cations to achieve selective collection of metal ions, making it suitable for flotation under various water quality conditions.

The application belongs to the technical field of desulfurizer, and discloses a natural gas desulfurizer, a preparation method and application thereof, the natural gas desulfurizer comprises 2-(2-morpholine-4-ethoxy)-ethanol and N-methyl diethanolamine with a molar ratio of (1-3):(2-4). The removal rate of H2S reaches more than 98%, and the removal rate of organic sulfur reaches 70%-75%. The application expands the application range of N-methyl diethanolamine as a main agent, and can be used for refining and removing hydrogen sulfide and organic sulfur in the acidic gas in the natural gas, coal chemical industry and petroleum chemical industry process. The preparation process of the composite desulfurizer is simple, the cost is low, the environmental pollution is small, and the application effect is outstanding.

This invention discloses an organofluorosilicone emulsion deepening agent, which is made from the following raw materials in parts by weight: 3-9 parts of hexamethylcyclotrisiloxane, 2-4 parts of trifluoropropylmethylcyclotrisiloxane, 1-3 parts of hexamethyldisiloxane, 3-9 parts of vinyldisiloxane, 1-3 parts of emulsifier, 0.1-0.6 parts of catalyst, and 2-6 parts of acrylate monomer. The organofluorosilicone monomer is prepared by ring-opening reaction of hexamethylcyclotrisiloxane, trifluoropropylmethylcyclotrisiloxane, and hexamethyldisiloxane under the action of trifluoromethanesulfonic acid catalyst. Then, the emulsifier is used to emulsify the monomer to obtain organofluorosilicone emulsion I. This invention has a simple preparation method, can reduce dye affinity, and inhibit dye migration. Furthermore, by changing the amount of emulsifier, the particle size of the emulsion can be adjusted, and emulsions of different particle sizes can be mixed together to form a film with different roughness, thus achieving a deepening effect.

The application discloses a kind of breathable pressure relief tab and its processing method, comprising: metal conductor and functional film, the metal conductor upper and lower two sides are equipped with functional film, metal conductor surface is equipped with exhaust passage or the functional film between the both sides of metal conductor is equipped with exhaust passage;Functional film includes breathable functional film, sealing functional film;Exhaust passage includes single-channel type, multi-channel type and dumbbell channel type, one end of exhaust passage is connected in the inside of electric core, and the other end of exhaust passage is designed in the exposed end of tab.The application guarantees excellent sealing performance, and then guarantees the packaging interface of electric core, improves the reliability and service life of electric core;Functional film material can maintain better deformation rate under high temperature condition, so as to avoid the collapse of film material, effectively guarantee breathable channel;Gas generated in the inside of electric core can be orderly discharged under the condition of pressure difference, so as to maintain low pressure in the inside of electric core, improve the reliability of electric core.

This application relates to the field of phosphoric acid preparation technology, and more particularly to a method for preparing industrial-grade phosphoric acid based on hydrochloric acid decomposition of phosphate rock. The method includes: pulping phosphate rock to obtain a phosphate rock slurry; acidifying the phosphate rock slurry with hydrochloric acid to obtain an acid-hydrolyzed slurry; filtering the acid-hydrolyzed slurry to obtain an intermediate filter material; extracting the intermediate filter material using a composite extractant to obtain calcium chloride product and a supported organic phase; and reverse-extracting the supported organic phase with water to obtain dicalcium phosphate product and industrial-grade phosphoric acid. The extraction is performed in a rotary microchannel device. The composite extractant comprises a mixed organic phase of trioctylamine, tributyl phosphate, and triethylamine in decreasing mass concentrations. This method, through the synergistic effect of multi-stage gradient impurity removal throughout the entire process and deep purification by a core innovative unit, improves the purity and yield of phosphoric acid produced by wet acid hydrolysis from three dimensions: pre-removal of impurities at the source, selective separation of core soluble impurities, and precise interception of trace impurities at the terminal stage, while achieving full recovery of phosphate rock.

The application discloses a kind of fire-retardant lignin-based formaldehyde-free adhesive and preparation method thereof, belong to adhesive preparation technical field, for solving in prior art, adhesive bonding strength and flame retardant performance need to be further improved technical problem;The present application is with lignin as main body, sequentially through triazine, phosphonate and nitrogenization modification, introduce nitrogen, phosphorus and polar group, prepare fire-retardant glue precursor, then combine catechol polyol and boric acid reaction generated borate polyol, and the hybrid prepolymer obtained by the action of amino POSS sol and glycerol carbonate, synergistic curing under the action of initiator, construct dense stable crosslinking network, the system has the environmental protection of lignin and the stability of organic-inorganic hybrid material, give adhesive high strength, excellent water resistance and flame retardant performance, and formaldehyde release is zero, suitable for green environmental protection field application.

The application discloses an anti-falling and anti-aging agent and a preparation method and application thereof. The anti-falling and anti-aging agent comprises the following raw materials: a styrene-butadiene-styrene copolymer, an ethylene-vinyl acetate copolymer, a styrene-butadiene rubber, polyethylene oxide, resin, alkyl ammonium chloride, a nitrogen-containing aromatic compound, a p-phenylenediamine compound, a methacrylate compound, a coupling agent and an antioxidant. The preparation method of the anti-falling and anti-aging agent comprises the following steps: uniformly mixing the above materials, and after mixing and extruding and granulating, the anti-falling and anti-aging agent is obtained. The anti-falling and anti-aging agent is in a granular form, is used in airport runway asphalt, can significantly improve the adhesion strength of the airport runway asphalt, improves the anti-falling performance, improves the heat aging resistance of the asphalt, and has a strong adaptability to the high-temperature wake flow environment of an airplane.

The invention provides a polyamide hot melt adhesive, a preparation method thereof and a double-wall heat-shrinkable sleeve, and the polyamide hot melt adhesive comprises the following components in parts by mass: 100 parts of polyamide; 0.01 to 0.1 part of an initiator; 1-10 parts of a reactive monomer; 0.5 to 3 parts of an antioxidant; and 2-10 parts of a tackifier. The polyamide hot melt adhesive realizes efficient and reliable adhesion of silicone rubber, simplifies the production process, improves the production efficiency, and has excellent comprehensive performance.