17results about How to "Good emulsification" patented technology

A boron-containing polyethylene glycol fatty acid ester surfactant belongs to the field of organic chemistry and functional materials. The boron-containing polyethylene glycol fatty acid ester surfactant is prepared as follows: polyethylene glycol (PEG), boric acid and fatty acid are used as raw materials, first esterification reaction of the PEG and the boric acid is performed, then esterification reaction of the PEG and the fatty acid is performed to obtain boron-containing poly ethylene glycol fatty acid ester; by changing the species of fatty acids and catalysts and molecular weight of the PEG, the esterification rate can be enhanced, the boron-containing poly ethylene glycol fatty acid ester product can be used as a surfactant, and the boron-containing poly ethylene glycol fatty acid ester can reduce water surface tension and has good emulsifying properties.

The present application belongs to the technical field of microbial resource development and petroleum bioengineering, and particularly relates to a Shewanella producing surfactant with multiple tolerances, a bacterial agent and application of the Shewanella in thick oil viscosity reduction. Shewanella fodinae Specifically, the present application provides a Shewanella (S-11) producing phospholipid surfactant, a low-cost preparation method based on the strain, Bacillus Z-13 and Vibrio fluvialis with glycerol as a carbon source. The S-11 has the dual abilities of producing phospholipid surfactant and cracking long-chain alkanes, and the produced surfactant is a complex phospholipid system, with an emulsification index (E 24 ) stable at 55% or above under the conditions of pH 5-10, temperature 15-55 DEG C and high salinity. The three-strain complex fermentation process with glycerol as a carbon source can significantly reduce the production cost while maintaining excellent emulsification performance, thereby being suitable for thick oil exploitation, pipeline transportation, oil pollution remediation and other fields.

The invention relates to the technical field of laundry products, in particular to a low-temperature high-concentration washing liquid and a preparation method thereof. The cleaning agent is prepared from the following components in percentage by weight: 38% of isomerized 1307, 28% of secondary alcohol aeo-9, 10% of propylene glycol, 0.3% of compound enzyme, 2% of glycerol, 21.2% of deionized water and 0.5% of essence. According to the low-temperature high-concentration washing liquid and the preparation method thereof, the isomerized 1307 and the secondary alcohol AEO-9 are compounded according to a specific proportion, and the synergistic anti-freezing effect of the propylene glycol and the glycerol is combined, so that the freezing point of a system is remarkably reduced, the pH value can be adjusted according to the actual situation, and the low-temperature high-concentration washing liquid is prepared. The prepared washing liquid can still keep good fluidity after being stored for a long time at 0 DEG C or even lower temperature, is free of crystallization and solidification, and solves the problem of freezing of highly concentrated products in winter.

The application discloses a recycling method of by-product cyclohexene distillation still residue, and belongs to the technical field of recycling of by-product cyclohexene distillation still residue. The still residue is analyzed by liquid chromatography-mass spectrometry, and the chlorocyclohexane in the still residue is reacted with sodium disulfide under the condition of a catalyst. After static separation, the oil phase is refined to obtain dicyclohexyl disulfide and cyclohexene, and the water phase can be recycled. The catalyst is composed of sulfonated castor oil and a phase transfer catalyst, can improve the conversion rate of chlorocyclohexane and the selectivity of dicyclohexyl disulfide, and greatly shortens the reaction time. The application can realize recycling and utilization of the still residue, avoids waste of resources and pollution to the environment, saves the chemical production cost, and meets the environmental protection concept of green chemical industry.

This invention belongs to the field of microbial technology, specifically relating to a method for preparing and applying a fused Weissella extracellular polysaccharide. The extracellular polysaccharide of this invention is composed of glucose monosaccharide, and the glucose linkages include terminal glucose t-Glc(p), 1→4 linked glucose, 1→4,6 linked glucose, 1→3,6 linked glucose, and 1→2,6 linked glucose, with a relative molar ratio of (8~8.5):(1~1.2):(81~82):(7~7.5):(1~1.2):(0.5~1). It possesses excellent water-holding capacity, oil-holding capacity, emulsifying properties, and emulsion stability, and can be used as a highly efficient moisturizer, emulsifier, emulsion stabilizer, cosmetic additive, pharmaceutical additive, and food additive, showing broad application prospects in the food, cosmetic, and pharmaceutical fields.

The application is suitable for the technical field of inorganic substance preparation method, and provides a preparation method of bromine, which comprises the following steps: step one: a certain amount of sodium bromide and hydrobromic acid are added into a mother liquor pool and stirred to obtain a mother liquor; step two: a predetermined amount of stearic acid and polyvinylpyrrolidone are added; step three: preheating is carried out, and then the preheating is fed into an absorption tower; step four: the liquid at the bottom of the absorption tower flows into the upper part of a bromine evaporation tower, and is heated by steam in the bromine evaporation tower; water vapor and chlorine gas are introduced from the bottom of the bromine evaporation tower, and bromine steam enters the absorption tower; step five: the distillation acid liquid generated by the bromine evaporation tower flows into a preheater to be preheated; bromine steam flows out from the upper part of the bromine evaporation tower to obtain a bromine and water mixture; step six: the bromine and water mixture flows into a bromine water separation bottle to be separated, and bromine products are obtained, thereby, the bromine source is hydrogen bromide and sodium bromide; the stearic acid can effectively reduce the surface tension, so that the reaction is more uniform, and the system is stable.

This utility model belongs to the technical field of ice cream machines, and particularly relates to an ice cream machine with a rapid cooling evaporator and a homogenizer, including a housing; an installation cavity is provided inside the housing; a cooling assembly is provided in the installation cavity, the cooling assembly includes an evaporator, the evaporator includes an outer barrel and an inner barrel fitted inside the outer barrel, the inner wall of the outer barrel forms an outwardly protruding groove channel, the groove channel and the outer wall of the inner barrel form a spiral cooling channel, a stirring assembly is provided on the cover, and a homogenizing assembly is provided in the installation cavity. By providing an outwardly protruding groove channel on the inner wall of the outer barrel, a spiral cooling channel can be formed with the outer wall of the inner barrel. Compared with the existing refrigerant flowing in copper pipes, separated from the beverage in the container by three layers of wall thickness, the present utility model solution is separated by only one layer of inner barrel wall thickness, resulting in high cooling and heat absorption efficiency and fast cooling speed. By setting up a homogenizing assembly to pre-treat the ice cream mixture, the texture of the ice cream can be improved.

This invention relates to the field of oilfield chemical technology, and discloses a gemini surfactant, its preparation method, and its application. The gemini surfactant comprises the structure shown in Formula I, where R is a C1-C8 alkyl group or a C6-C8 aryl group; Y... ‑ SO3 ‑ M + The ions are alkali metal ions or alkaline earth metal ions; m = 1-30; n = 1-15. The gemini surfactant of this invention can be used as a viscosity reducer for heavy oil, exhibiting strong viscosity-reducing ability. Through the effective increase of the strength of the oil-water interface film via polyoxyethylene and polyoxypropylene segments, it has a good emulsifying effect, which is beneficial for the migration of oil-water emulsions in rock pores, expanding the swept area, significantly reducing residual oil saturation, and resulting in good oil displacement effect.

The invention provides a stable face cleaning composition as well as a preparation method and application thereof, and relates to the technical field of cosmetics. The face cleaning composition disclosed by the invention is prepared from the following components: 27 to 43 parts of polyhydroxystearic acid, 20 to 30 parts of jojoba ester, 8 to 18 parts of sunflower seed wax, 10 to 20 parts of tribehenin, 0.6 to 1.5 parts of PEG-8 beewax, 2.5 to 3.4 parts of beewax and 7 to 15 parts of polyglycerol. All the components are synergistically compounded, the obtained face cleaning composition is applied to preparation of cosmetics and has stable interlayer spacing of an alpha-liquid crystal layered structure, and the stability of the cosmetics is remarkably improved; the face cleaning composition can obviously improve the high-temperature stability of cosmetics.

The invention discloses a stiff adhesive as well as a preparation method and application thereof, and belongs to the technical field of adhesives. The stiff adhesive is prepared from the following components in parts by weight: a vinyl monomer, acrylic ester, metacrylic acid ester, a functional monomer, protective glue, an emulsifier, an initiator, a cross-linking agent and deionized water, the functional monomer is at least one of acrylamide, hydroxyethyl acrylate, hydroxymethyl acrylamide and glycidyl methacrylate; the stiffening agent adhesive can be used as a stiffening agent coating, can also be used as an adhesive for wet bonding, and is used for bonding multiple layers of fabrics or paper and providing stiffness.

The application discloses a natural emulsifier, a preparation method and application of the natural emulsifier in high internal phase emulsion, and belongs to the technical field of emulsion. As a hydrophobic protein, the zein has poor emulsion stability, and a hydrophilic component is usually introduced to enhance the hydrophilicity. In the application, the internal hydrophobic cavity of a natural small molecule cyclodextrin is used to have a hydrophobic interaction with the zein to prepare a composite particle. The hydrophilic shell of the cyclodextrin can improve the problem of the zein having too strong hydrophobicity. The prepared composite particle can be used to prepare a high internal phase emulsion with various oil phases. By controlling the addition amount of the zein and the cyclodextrin, the interfacial affinity of the particle can be regulated. Furthermore, by adjusting the pH of a dispersion liquid, the viscosity of the emulsion can be regulated.

The utility model relates to the technical field of ice cream production, in particular to an ice cream slurry emulsifying device which comprises a tank body, a discharge valve is fixed at the bottom end of the tank body, a protective cover is arranged at the top end of the tank body, a support and a motor are fixed at the top end of the protective cover, a support is fixed on the tank body, and a hydraulic cylinder is fixed at the top end of the support. The bottom end of a piston rod of the hydraulic cylinder is connected with a support through a bolt, material barrels are arranged on the two sides of the support, the bottom ends of the two material barrels extend into the tank body, discharging openings are formed in the bottom ends of the two material barrels, and an output shaft of the motor is connected with a vertical rod through a coupler. Two knocking mechanisms, two connecting rods and a plurality of stirring blades are fixed to the vertical rod, baffles are fixed to the ends, away from the vertical rod, of the two connecting rods, inverted-cone-shaped guide blocks are arranged below the two material barrels, transverse rods are fixed to the opposite side walls of the two guide blocks, and the two transverse rods are fixed in the tank body; the slurry emulsifying device is beneficial to full emulsification of slurry, and the emulsifying quality is improved.

The application discloses a strain of Starmerella bombicola and application thereof, and the preservation number of the Starmerella bombicola (Lip-DYH) is CGMCC No. 25797. The Starmerella bombicola provided by the application provides a new kind of yeast and its product can produce a surfactant, and can improve the surface tension of a target solution and improve the antioxidation of the target solution after being mixed with vegetable oil.

This invention belongs to the field of biotechnology, specifically relating to a strain of *Pseudomonas aeruginosa*, and further disclosing the application of its fermentation product of medium-chain dirhamnolipids. The *Pseudomonas aeruginosa* PA001 obtained through screening can ferment high yields of medium-chain dirhamnolipids using glycerol as a raw material under optimized culture conditions. Its fermentation product not only exhibits excellent emulsifying properties for petroleum (with an emulsification coefficient reaching 55%), but also has a petroleum solubilizing effect, increasing the solubility of petroleum in aqueous phase by more than 3.3 times, demonstrating promising application prospects in the petrochemical field.

This invention relates to a method for controlling the rhamnolipin composition in fermentation broth through the selection of fermentation carbon sources and its application, belonging to the field of bioengineering technology. The method uses a carbon source as raw material, obtains a fermentation broth through fermentation with *Pseudomonas aeruginosa*, and controls the ratio of mono- and di-rhamnolipin in the fermentation broth by adjusting the type of carbon source. The carbon source includes one or more of sugars and vegetable oils, and may also include glycerol. The Latin scientific name of *Pseudomonas aeruginosa* is *Pseudomonas aeruginosa* PA001, with accession number CGMCC No. 31150. This method yields different proportions of rhamnolipin through fermentation using different carbon sources to meet the needs of different products in different fields, and can obtain a higher proportion of di-rhamnolipin, which has good emulsifying and petroleum-solubilizing effects, showing good application prospects in petrochemical, daily chemical, and other fields.

The application discloses a kind of pepper extract emulsion and its preparation method and application.The emulsion is composed of pepper extract, wintergreen oil, ethylene glycol, antifoaming agent, emulsifier, pepper extract, ultrapure water and the like, and the process comprises the following steps: (1) preparation of dry chili powder; (2) preparation of pepper extract; (3) concentration of pepper extract; (4) preparation of pepper extract diluent; (5) preparation of emulsion.The method is simple and easy to operate, and the process is stable and feasible.The prepared pepper extract emulsion is stable, and has good control effect on Chinese medicinal material red mite pests.

The present application belongs to the technical field of rubber processing aids, and particularly relates to a composite raw rubber anti-coagulation dispersant, which is composed of deionized water, ammonia water, potassium hydroxide, sodium bicarbonate, disodium hydrogen phosphate, potassium oleate, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether, sodium lignosulfonate, sodium polyacrylate, sodium hexametaphosphate, disodium ethylenediaminetetraacetate, anhydrous sodium sulfite, sodium benzoate, polydimethylsiloxane defoaming agent, seaweed silicate stable gel microparticles and tannin zinc-magnesium-aluminum retarding nano sheets; in the preparation, a buffer complexing liquid and an alkaline stabilizing liquid are first formed, then surface active and dispersing components are added, and then two kinds of modified particles are introduced, and the product is obtained through dispersion, adjustment of pH and filtration. The present application can improve the anti-coagulation, dispersion and storage stability of the raw rubber system.