28 results about "Sophorolipid" patented technology

This invention relates to the field of semiconductor cleaning technology and discloses a cleaning agent for semiconductor silicon wafers and its preparation method. This cleaning agent aims to solve the problem that traditional strong alkaline or phosphate-based wet electronic chemical cleaning agents easily corrode the silicon wafer surface, damage the crystal lattice, and thus affect electrical performance. This cleaning agent utilizes a multi-component synergistic effect: a surfactant system composed of alkyl glycosides and sophorolipids enhances particle wetting and stripping; lipase and silicon-pharmacoprotein precisely catalyze the removal of specific contaminants; sodium gluconate complexes metal ions; gelatin-polyacrylamide copolymer disperses contaminants to prevent secondary contamination; glycerol and trehalose maintain enzyme activity; and ultrapure water ensures the system meets the electronic-grade purity standards for wet electronic chemicals. Overall, it avoids strong alkaline corrosion, maintains the integrity of the silicon wafer lattice, and improves particle removal efficiency, meeting the high standards required for wet electronic chemical-based silicon wafer cleaning agents in advanced processes.

The application provides a nanoemulsion and a preparation method and application thereof. The total amount of raw materials for preparing the nanoemulsion is 100%, and the raw materials include the following components: 1-40% of a composite surfactant, 1-25% of an oil phase, 1-30% of a co-surfactant, and the balance of a water phase; wherein the mass of the composite surfactant is 100%, and the composite surfactant includes the following components: 5-25% of a biological surfactant, 35-65% of a fatty alcohol polyoxyethylene ether surfactant, 1-20% of dodecyl benzene sulfonic acid and / or sodium salt thereof, 1-20% of oleic acid, and 1-5% of citric acid; the biological surfactant includes one or more than two combinations of sophorolipid, rhamnolipid, trehalose lipid, surfactin, alkyl polyglycoside, phosphatidylcholine, amino acid lipid, saponin, phospholipid, or derivatives thereof; and the average particle size of the emulsion droplets in the nanoemulsion is 1.5-5 nm. The nanoemulsion has excellent recovery performance.

The present invention relates to a process of separating an acidic sophorolipid, or a lactonic sophorolipid, especially an acidic sophorolipid enriched with acetylated acidic sophorolipid from a lactonic / acidic sophorolipid-containing product and the acidic sophorolipid, especially the acid-ic sophorolipid enriched with acetylated acidic sophorolipid obtained by said process.

The application discloses a kind of biosurfactant compound foam oil displacement agent and its preparation method and application, belong to the technical field of oil exploitation.The foam oil displacement agent is composed of the following components by mass percentage: rhamnolipid 15~35%, sophorolipid 10~25%, functional additive A 5~15%, functional additive B 3~10%, synergistic agent 2~8%, and the balance is deionized water to 100%;The mass ratio of rhamnolipid and sophorolipid is 1.3~1.5:1.The application also provides the preparation method and application of the oil displacement agent.The foam oil displacement agent of the application has the characteristics of large foaming volume, long foam half-life, excellent temperature resistance and salt resistance, high biodegradation rate, mild and simple preparation process, and is suitable for three times oil recovery in reservoir with temperature ≤120℃, salinity ≤30×10 4 mg / L, which can significantly improve the oil recovery rate and meet the requirements of green oilfield construction.

Materials and methods are provided for producing bio-derivatized sophorolipids (SLP) via yeast fermentation, wherein SLP molecules are transformed in situ into derivative molecules through selective modification of nutrients and feedstock. The final percentage of linear-type SLP with respect to total SLP produced is at least 70% or greater, through a single fermentation process, thereby eliminating the need for additional downstream processing or chemical reactions.

The invention relates to extremely mild, concentrated cleansing compositions to create personal care formulations. The mildness of composition towards the skin is due to the synergy of constituent members. More specifically, the compositions comprise of cocamidopropyl PG dimonium chloride phosphate, an alkyl polyglucoside, and sophorolipids to give the superlative performance in terms of foam and lather with extreme gentleness towards the stratum corneum, the uppermost layer of the skin. The concentrated, self-preserving, ultra-mild compositions of the present invention are particularly suitable for cleansing of sensitive skin (babies and sensitive body parts), irritated skin (medically compromised) and very dry skin (senior citizens). Also process for preparing such ultra-mild cleansing composition is provided.

This invention relates to a sophorolipid-modified recycled aggregate, phase change concrete, and their preparation method, belonging to the field of building materials technology. The preparation method of the sophorolipid-modified recycled aggregate includes: immersing the recycled aggregate in an oxalic acid solution and rinsing it, then immersing it in an acetic acid solution and rinsing to obtain oxalic acid-modified recycled aggregate; mixing and stirring it with a sophorolipid solution to obtain recycled aggregate adsorbed with sophorolipids; preheating the sophorolipid-adsorbed recycled aggregate and mixing it with liquid paraffin, vacuum impregnating it to remove free paraffin, and cooling to obtain the sophorolipid-modified recycled aggregate. The oxalic acid solution can peel off the old mortar from the surface of the recycled aggregate, exposing the hydrophilic sites of hydroxyl groups; sophorolipids connect the hydroxyl groups of the aggregate and the alkane chains of the paraffin; the vacuum impregnation method increases the paraffin loading and reduces the paraffin leakage rate. This solves the technical bottlenecks of numerous surface defects in recycled aggregates, incompatibility between paraffin and aggregate interfaces, and the difficulty in simultaneously achieving the mechanical properties and phase change properties of concrete.

This invention discloses a method and system for the separation and purification of acetylated lactone-type sophorolipids. The method involves obtaining a mixed sophorolipid through microbial fermentation, filtering it to remove impurities, then introducing carbon dioxide through a high-pressure pump, followed by high-pressure homogenization and rapid injection to mix with cold water. The mixture is then allowed to stand at 4°C for 24 hours to crystallize. The crystals are then filtered and repeatedly washed with room temperature water to finally separate and purify the acidic and lactone-type sophorolipids from the mixed components, yielding a single type of sophorolipid primarily composed of acetylated lactone-type sophorolipids. This method avoids the use of highly toxic organic solvents and produces no waste liquid or solid waste. Furthermore, the production process uses only carbon dioxide, water, and electricity, reducing production costs and improving safety. The process is simple, while ensuring the purity and yield of acetylated lactone-type sophorolipids, enabling large-scale, high-efficiency production.

This invention discloses a fermentation method for producing acidic sophorolipids. This method uses palm oil as the main carbon source and achieves high yields of acidic sophorolipids through feeding at different growth stages and precise adjustment of the carbon / nitrogen source concentration and ratio. Applications of the acidic sophorolipids produced by this invention include, but are not limited to, biosurfactants, environmentally friendly cleaning agents, and the biopharmaceutical field.

The application provides a kind of edible composite preservative solution for low temperature refrigeration of fruit and vegetable, its preparation method and use method, the edible composite preservative solution includes phosphorylated nanocellulose solution, film forming agent, plasticizing agent, biological surfactant and curcumin / cyclodextrin inclusion compound;The film forming agent includes beeswax and / or coconut oil, the plasticizing agent includes glycerol and / or potassium sorbate, and the biological surfactant includes rhamnolipid and / or sophorolipid.The preservative solution provided by the application is composed of phosphorylated nanocellulose solution, film forming agent, plasticizing agent, biological surfactant and curcumin / cyclodextrin inclusion compound.Fruit and vegetable are directly soaked in the preservative solution or the preservative solution is sprayed on the surface of fruit and vegetable, and a complete and dense preservative coating is formed on the surface of fruit and vegetable after natural air drying, the oxygen concentration on the surface of fruit and vegetable is reduced by the respiration of fruit and vegetable, the carbon dioxide concentration is increased, and the controlled atmosphere preservation of fruit and vegetable is realized.

The present application relates to the field of foaming agent, and more particularly to an environmentally friendly floating foaming agent composition based on biomass and a preparation method thereof, which comprises the following raw materials in parts by weight: modified vegetable oil based polyol 25-30 parts, cationic alkyl glycoside 15-25 parts, sec-octanol 5-15 parts, glycerol 3-8 parts, foaming aid 5-10 parts, auxiliary emulsifier 2-5 parts, polysaccharide stabilizer 0.3-1 part, and water 25-45 parts. The modified vegetable oil polyol, alkyl glycoside, sec-octanol, glycerol, composite foaming aid, and sophorolipid are main components, all of which are of biomass origin, have high biodegradability, no toxic side effects, and no release of volatile organic compounds during use, and are safe and environmentally friendly.

This invention discloses a compound preparation of plant-fermented lactic acid bacteria lysate for nourishing and protecting the vaginal pelvic floor muscles. By weight, it comprises the following components: kidney bean-honeysuckle fruit compound ferment: 4-8 parts; pomegranate peel-derived lactic acid bacteria lysate: 5-9 parts; bamboo fungus mycelium extract: 3-7 parts; compound sophorolipid: 6-8 parts; sodium hyaluronate: 2-5 parts; total glycosides of Centella asiatica: 1-3 parts; glycerin: 5-10 parts; lactic acid: 1-2 parts; purified... Water: 36-45 parts; Carbomer 940: 2-4 parts; Trehalose: 1-3 parts; Chitosan: 1-3 parts; Methylchloroisothiazolinone: 0.1-0.3 parts; Sodium hydroxide: 0.1-0.2 parts; This invention can regulate the vaginal microecological balance, nourish the vaginal mucosa, enhance the toughness of pelvic floor muscle fibers, and promote the repair of pelvic floor muscle damage, solving the technical problems of existing preparations having single function, weak targeted pelvic floor muscle care, and easy disruption of the vaginal microecology.

The application discloses a controlled-release fertilizer containing signal substances for promoting nitrogen transport of wheat root systems and a preparation method thereof. The controlled-release fertilizer comprises an inner layer composite core and an outer layer enzyme response-ion crosslinking double-control membrane; the inner layer composite core material comprises urea, potassium dihydrogen phosphate, potassium sulfate, sophorolipid, trehalose-6-phosphate and bentonite; and the outer layer enzyme response-ion crosslinking double-control membrane comprises xanthan gum, gellan gum, soil enzyme response oligopeptide and calcium citrate. The application realizes the combination of functional components through the 'nutrient-signal composite core material', and realizes the matching of release behavior and crop physiological demand through the 'enzyme response-ion crosslinking controlled-release membrane'. The design solves the limitation that traditional controlled-release fertilizers can only delay nutrient release but cannot actively regulate crop physiological links, strengthens the absorption and internal transport capacity of wheat for nitrogen from the root source by protecting and accurately delivering signal substances, and significantly improves the nitrogen utilization rate to 50%-55%.

The present application relates to a kind of oil displacement agent, in particular to a kind of hybrid modified multi-dimensional biological oil displacement agent and its preparation method.The hybrid polymeric biological surfactant of the present application is the product of esterification reaction of biological surfactant and polycarboxylic compound;The biological surfactant is at least one of lipopeptide, sophorolipid, rhamnolipid, sophorolipid modified derivative and rhamnolipid modified derivative;The polycarboxylic compound is at least one of oxalic acid, 1,3-propane dicarboxylic acid, butane tetracarboxylic acid, 1,3-butane dicarboxylic acid and polycarboxylic compound containing saturated alkyl chain with 18 carbon atoms or less between two carboxyl groups.The oil displacement agent provided by the present application has excellent temperature resistance, salt resistance, oil washing efficiency and imbibition oil displacement capacity.In particular, the oil displacement agent can be applied to extreme low permeability reservoir environment below 200 DEG C and below 200 g / L of salinity, and still maintain good chemical stability and interfacial activity under such harsh conditions.

The application discloses a composition for improving the deposition rate of piroctone olamine salt, a preparation method and application thereof, and the composition comprises piroctone olamine salt, sophorolipid, a pH regulator and deionized water, the sophorolipid is a compound system of acid sophorolipid and lactone sophorolipid with a mass ratio of (6-9):(1-4), the fatty acid carbon chain length of the sophorolipid is C14-C20, and the acetylation degree is 30%-70%. The application is combined with sophorolipid with specific performance which is composed of a compound system of acid sophorolipid and lactone sophorolipid with specific proportions, and the pH value is adjusted, and the composition is prepared into a suspension after water is added, when the composition is used as raw material to replace PO powder in hair washing and caring products, PO can be quickly released and deposited when the hair washing and caring products contact the scalp, and the deposition rate of PO is maximized.

A cleaning agent composition for cleaning hard surfaces includes a sophorolipid and an antimicrobial agent that comprises a quaternary ammonium compound. The sophorolipid and the quaternary ammonium compound show unexpected synergy.

This invention provides a fruit and vegetable preservative solution with strong wetting and ethylene inhibition effects, its preparation method, and its application method. The fruit and vegetable preservative solution comprises a nanocellulose solution, a film-forming agent, a plasticizer, a biosurfactant, and a 1-methylcyclopropene / cyclodextrin inclusion complex. The film-forming agent includes beeswax and / or coconut oil, the plasticizer includes glycerol and / or potassium sorbate, and the biosurfactant includes rhamnolipid and / or sophorolipid. This invention prepares a fruit and vegetable preservative solution with strong wetting and ethylene inhibition effects by encapsulating 1-methylcyclopropene with cyclodextrin and compounding it with nanocellulose, a film-forming agent, a plasticizer, and a biosurfactant.

The application provides a sophorolipid polyethylene glycol monoester compound and a preparation method and application thereof, the sophorolipid polyethylene glycol monoester compound has a structure shown in formula I, the sophorolipid polyethylene glycol monoester compound developed by the application has significantly improved water solubility, alkali resistance and hard water resistance while keeping the biological base characteristics, can be used as a biological base surfactant of an industrial cleaning agent, and improves the cleaning effect of the industrial cleaning agent.

The application discloses a melanin promoting composition and a preparation method and application thereof, and belongs to the technical field of cosmetics and biological agents. The melanin promoting composition is composed of the following components in percentage by mass: acetyl hexapeptide-1 0.01-0.5 parts, Poria cocos extract 1-5 parts, sophorolipid 0.5-5 parts, 1,3-dihydroxyacetone 3-20 parts, a humectant 5-20 parts, a preservative 0.1-0.5 parts, a thickening agent 0.1-1 part, a pH regulator 0.1-0.3 parts, an emulsifier 0.5-3 parts, and the rest is water. The composition selects a small-molecule peptide with biological activity, and is compounded with sophorolipid, 1,3-dihydroxyacetone, Poria cocos extract and a humectant to realize the functions of promoting tanning, accelerating tanning, prolonging tanning time, avoiding dry skin color and unevenness in the natural tanning process, and strong stability in long-time storage.

The application belongs to the field of genetic engineering and biological fermentation technology, and relates to a Bombus candidus Candida albicans engineering bacterium and a construction method and application thereof. An ADH1 gene of the Bombus candidus Candida albitis engineering bacterium is knocked out. The ability of the engineering bacterium to utilize linoleic acid is enhanced. By using the engineering bacterium, the yield can be improved, the fermentation time can be shortened, and the production cost can be reduced in the process of fermenting and synthesizing sophorolipids, thereby bringing actual value to industrialized large-scale production and application.

The application belongs to the technical field of oil exploitation, and particularly relates to a biological wax cleaning and preventing agent and a preparation method and application thereof. The biological wax cleaning and preventing agent is composed of the following raw materials in percentage by weight: modified sophorolipid 5-10%, lauryl alcohol polyoxyethylene ether 0.5-1%, and water as the balance. The preparation method of the modified sophorolipid is as follows: in a reactor, sophorolipid, tetrahydrofuran and 3-(perfluorohexyl) propylene oxide are added, stirred, heated and kept warm for reaction; deionized water and 2-chloroethyl sodium sulfonate are added in the above reactor, stirred, heated and kept warm for reaction, and pH is maintained at 7-8 to obtain the modified sophorolipid. The biological wax cleaning and preventing agent has the advantages of environmental protection, high wax dissolving rate and high wax preventing rate.

This invention discloses a high-sophorolipid-producing Candida albicans HTZ strain, with accession number CGMCC No. 30110, which was deposited at the China General Microbiological Culture Collection Center on March 25, 2024. The high-sophorolipid-producing Candida albicans HTZ strain and its application disclosed in this invention have the following beneficial effects: (1) When the fermentation broth of this high-sophorolipid-producing Candida albicans HTZ strain is applied to microbial single-well huff and puff in shallow extra-heavy oil in the Junggar Basin, the average single-well oil increase is greater than 300 tons, and the effective period is more than 300 days; (2) When the fermentation broth of this high-sophorolipid-producing Candida albicans HTZ strain is applied to microbial enhanced oil recovery, the average daily oil increase in the well group is more than 10 tons.

The present application relates to the technical field of daily chemicals, and discloses a bio-based material-containing cleaning composition capable of selectively depositing effective substances, which comprises, by total weight, a sophorolipid compound, a rhamnolipid, a tridecyl alcohol polyether-2 carboxylic acid amide MEA, a tridecyl alcohol fatty acid ester, an amphoteric surfactant, a water-insoluble and surfactant-soluble scalp care agent, an anionic surfactant and pure water in a specific ratio. Through the synergistic effect of the above components, a functional micelle system capable of quickly dissociating when diluted with water during use is constructed. The quick dissociation of the system promotes the release of the wrapped scalp care agent and efficient deposition on the scalp. Meanwhile, the system mainly based on bio-based surfactants is easy to rinse, reducing the residue of the surfactants. The present application maintains the ideal viscosity and mildness of the product while achieving efficient deposition of the effective substances and low residue of the system.

The application discloses a preparation method of sophorolipids and application of the sophorolipids in anti-skin aging, and belongs to the technical field of fermentation. The sophorolipids are used in cell and animal experiments, and a skin aging cell and a mouse skin photoaging model are established by using a 311 nm UVB ultraviolet lamp. After testing, harmful active oxygen of the cell is reduced after the sophorolipids are used, and the thickening of the surface skin caused by skin photoaging is also relieved, which proves that the sophorolipids can not only relieve the symptoms of skin photoaging caused by long-term ultraviolet irradiation, but also prevent long-term stimulation of the ultraviolet to the mouse skin.

This invention belongs to the field of petroleum extraction technology, specifically relating to a modified sophorolipid surfactant and its preparation method. The preparation method includes: in a weakly acidic solvent, under the action of a reducing agent, sodium benzaldehyde-2,4-disulfonate and a secondary amine undergo a Borch reduction amination reaction to obtain a sulfonated tertiary amine salt; next, in a weakly alkaline environment, the sulfonated tertiary amine salt undergoes a quaternization reaction with epoxy halopropane to obtain an etherifying agent; and finally, under alkaline conditions, the etherifying agent undergoes an etherification reaction with sophorolipid ester to obtain the modified sophorolipid surfactant. The modified sophorolipid surfactant of this invention has the advantages of simple synthesis process, high interfacial activity, and good crude oil viscosity reduction effect.

The present application relates to the technical field of hair care liquid, in particular to a preparation method of fruit peptide polypeptide hair care liquid, comprising weighing rich peptide fruit extract combination, rich peptide vegetable extract combination and stabilizing and synergistic system by weight parts, separately preparing the rich peptide fruit extract combination and the rich peptide vegetable extract combination, respectively dissolving and premixing, and gradient mixing and stabilizing. The present application realizes multi-target effect of repair, moisturizing and antioxidant through synergistic effect of polypeptides from multiple sources of fruits and vegetables; according to different fruit and vegetable tissue characteristics, the extraction process is optimized respectively, so that the activity loss caused by "one-pot cooking" is avoided; no organic solvent, synthetic preservative, silicon oil and cationic synthetic polymer is used, all raw materials come from food-grade fruits and vegetables and biological fermentation products, sophorose lipid is a biological surfactant, which is safe and solves the problem of long-term storage precipitation.

The application discloses a natural composition for promoting skin microcirculation, a preparation method and application thereof, and at least comprises sophorolipid, natural borneol, natural squalane and the balance of water; in the preparation, the natural borneol is mixed with the natural squalane first, then the uniform oil phase is obtained by water bath heating and stirring; the sophorolipid is added into water, and the water phase is obtained by completely dissolving at room temperature; finally, the water phase is heated to 45-55 DEG C, the oil phase is added, constant temperature stirring is carried out until uniform, and the room temperature is reduced. The application selects the active ingredient natural borneol for promoting microcirculation, and the natural borneol is compounded into the composition with the sophorolipid and the natural squalane, so that the natural composition can promote the skin microcirculation, the separation of the borneol can be effectively avoided for a long time, and the stability is high.