771results about How to "Improve emulsion stability" patented technology

The invention relates to compositions and methods for the analysis of biomolecules associated with cells, where the presence or absence of a particular biomolecule (e.g., an expressed protein or a nucleic acid gene expression product) associated with the cells is examined. The invention provides methods for single cell biochemical analysis, as well as instrumentation for the single-cell biochemical analysis. Most advantageously, the invention affords methods and instrumentation for high-throughput biochemical analysis of large numbers of single cells.

The invention relates to a method for preparing an environment-friendly silicone-modified acrylate adhesive. Raw materials of the preparation method comprise a basic monomer, a modified monomer and an auxiliary agent, wherein the basic monomer comprises a hard monomer, a soft monomer and a crosslinking monomer; the modified monomer comprises a silane monomer, a coupling agent and inorganic nano-powder; the crosslinking monomer is glycidyl acrylate or glycidyl methacrylate; and the grain diameter of the inorganic nano-powder is less than 80 nanometers. In the preparation method, the crosslinking monomer adopts the glycidyl acrylate or the glycidyl methacrylate so as to be environment-friendly. The product prepared by the method is a nanometer / silicone double-modified molecular composite polymer material. The molecular composite material is combined with the advantages of two polymer materials, namely silicone and polyacrylic ester and an inorganic nanometer material, and has better performance and broad application.

A method for enhancing the stability of a water-in-oil emulsion pretreating at least a portion of the oil prior to emulsification. The pretreatment step may consist of adding polymers to the oil, biotreating the oil, photochemically treating the oil, or combinations thereof. The emulsion may be used in various enhanced oil recovery methods including using the emulsion as a flooding agent to displace hydrocarbons in a subterranean formation, and using the emulsion as a barrier fluid for diverting flow of fluids in the formation.

The present invention concerns an oil-in-water emulsion wherein the oil droplets of a diameter in the range of 5 nm to hundreds of micrometers exhibit a nano-sized self-assembled structurization with hydrophilic domains having a diameter size in the range of 0.5 to 200 nm, due to the presence of a lipophilic additive and the oil-in-water emulsion contains an active element being present in the range comprised between 0.00001 and 79% based on the total composition.

The invention discloses a functional fabric waterproof stiffening agent and a technology for making the same, comprising basic monomer, functional monomer, auxiliary monomer and a polyreaction making process. The technology adopts a chemical copolymerization method and respectively introduces intramolecular crosslinking into organosilicon and acrylic ester macro molecules; modified acrylic ester / nano composite emulsion is made through a nano titanium dioxide in-situ polymerization process according to a formula; moreover, water-repellency and flameproof polymeric monomer, reactive emulsifier sodium vinyl sulfonate and an environment-friendly crosslinking agent glycidyl methacrylate (GMA) are used to eliminate formaldehyde and APEO, thereby solving the problems of the prior art including insufficient adhesive strength, resistance to solvent, stability and weathering resistance, no ultravioresistant, water-repellency and inflaming-retarding functions as well as no environment protection due to the formula containing formaldehyde. Moreover, the technology achieves the aims that: the technology increases the resistance to solvent, stability and weathering resistance of the fabric stiffening agent; meanwhile, the technology has ultravioresistant, water-repellency and inflaming-retarding functions and is more environment-friendly.

The invention discloses a water-based metal cutting liquid. The water-based metal cutting liquid is prepared from raw materials in percentage by mass as follows: 2%-7% of an antirust agent, 0.2%-2% of a corrosion inhibitor, 10%-20% of organic alkali, 20%-45% of an oleate lubricant, 2%-7% of amide, 2%-6% of an emulsifier, 4%-9% of an oiliness agent, 0%-5% of a coupling agent, 0%-3% of a softener, 1%-5% of a sterilizing agent, 0.1%-2% of a defoaming agent and the balance of water. The water-based metal cutting liquid provided by the invention contains no sulfur, phosphorus, chlorine or boric acid and is efficient, environment-friendly and recyclable.

An ultrasonic mixing system having a treatment chamber in which at least two separate phases can be mixed to prepare an emulsion is disclosed. The treatment chamber has an elongate housing through which the phases flow longitudinally from a first inlet port and a second inlet port, respectively, to an outlet port thereof. An elongate ultrasonic waveguide assembly extends within the housing and is operable at a predetermined ultrasonic frequency to ultrasonically energize the phases within the housing. An elongate ultrasonic horn of the waveguide assembly is disposed at least in part intermediate the inlet and outlet ports, and has a plurality of discrete agitating members in contact with and extending transversely outward from the horn intermediate the inlet and outlet ports in longitudinally spaced relationship with each other.

This invention relates to compositions and methods for improving the performance of organophilic organic-clay complexes, which are dispersible in organic liquids to form a gel therein. Depending on the composition of the gel, such gels may be useful as lubricating greases, oil-based muds, oil base packer fluids, paint-varnish-lacquer removers, paints, foundry molding sand binders, adhesives and sealants, inks, polyester laminating resins, polyester gel coats, cosmetics, detergents, and the like.

The present invention relates to leave-on compositions for personal care comprising trimethylsilylalkylsilsesquioxanes, particularly trimethylsilyl-n-octylsilsesquioxanes (Caprylyl Trimethicones). Said trimethylsilylalkylsilsesquioxanes are especially useful in formulating emulsions.

The invention discloses an industrial production method of hydrolyzed wheat protein for feeding, belonging to the technical field of feed additive production. In the method, through the method of synergy of multiple enzymes and combined treatment of multiple steps, the hydrolyzed wheat protein for feeding is prepared by taking wheat gluten meal and water with weight ratio of 1:10-1:2 and adding compound enzyme, ensuring the mass percent concentration of the compound enzyme in the solution is 0.2-1.4%, hydrolyzing the mixture for 1-13h under the conditions that the temperature is 30-70 DEG C and pH value is 5.0-10.0, then carrying out such processes as filtering, decoloring and drying, etc. Compared with the traditional methods, the method of the invention features mild hydrolysis conditions, sanitation and safety and maintains the original nutritive composition of amino acid free of loss; the hydrolysate is low in salt content, mellow in mouth feel and high in yield which is up to 98%. The tests that the hydrolyzed wheat protein is added in the feed for suckling pigs, chicks, calves, aquaculture and the like to be used show that the hydrolyzed wheat protein has the advantages and evident effects of improving daily feed intake, reducing diarrhea rate, enhancing immunity, slowing weanling stress, improving growth performance and the like.

The invention relates to an emulsified water in oil composition using a novel additive surfactant package containing a PIBSA-derived surfactant with a molecular weight in the ranged about 300 to 3000 and in the range of about 0.01% to about 10% by weight of the composition and an alkylamine ethoxylated surfactant in the range of about 0.01% to about 10% by weight of the composition.

Water-continuous emulsion of elastomeric polymers are disclosed having a solids content of greater than 75%, an average particle size less than 5 μm, and having sufficient stability to produce a stable lower solids emulsion upon dilution with water comprising; an elastomeric polymer, surfactant, water, optional plasticizer, optional low molecular weight acid, and is essentially free of organic solvents. The water-continuous emulsions of elastomeric polymers can be prepared by; (I) forming a premix that is essentially free of organic solvents comprising an elastomeric polymer and surfactant, and optionally a plasticizer and low molecular weight acid, and (II) adding water to the premix with mixing to form a water continuous emulsion of the elastomeric polymer having a solids content of greater than 75%, an average particle size less than 5 μm, and having sufficient stability to produce a stable lower solids emulsion upon dilution with water.

The present invention discloses an ultra-high density oil-based drilling fluid and a preparation method thereof. Oil-based drilling fluids in the prior art have the problems of poor emulsion stability and rheology, and easily lead to well wall chipping and collapsing, and blocking, long drilling cycle and other complex situations can be caused. The ultra-high density oil-based drilling fluid has a density of 0.93g / cm<3> to 2.80g / cm<3>, and comprises base oil, an emulsifier, a wetting agent, a tackifier, a filtrate loss reducer, a shear strength improving agent, an alkalinity adjusting agent, an aqueous solution of calcium chloride, a blocking agent, a weighting agent and the like, a formula and the preparation method of the ultra-high density oil-based drilling fluid are improved. The ultra-high density oil-based drilling fluid has good emulsifying stability and rheology, as well as mud shale strong inhibition, has the characteristics of small dosages of a variety of treatment agents, low preparation cost, high emulsion-breaking voltage, good rheology, low fluid loss, resistance to water, soil and salt and water-based drilling fluid and strong cement paste pollution performance and the like, and can be used in special drilling work in ultra-high pressure oil and gas wells, shale gas wells and strong water sensitive formation extended reach wells, horizontal wells and the like.

The present invention is directed to a water-in-oil emulsion composition comprising: (A) an emulsifying silicone elastomer of a particular formula which contains cross-linking and wherein the structure contains a C3-45 alkyl group and a polyoxyalkylene group; (B) an alkyl substituted silicone emulsifier of a particular formula wherein the structure contains a C3-45 organic group and a polyoxyalkylene group; and (C) an aqueous carrier.

The invention discloses a preparation method for emulsion-typed soybean protein isolate, which comprises the steps as follows: pre-crushed low-temperature defatted soybean flour (DSF) is taken as raw material and mixed with deionized water with the water / material ratio of 5-20w / w, is heated to 40-60 DEG C under alkali condition and leached for 20-30min so as to lead the soybean meal to expand by absorbing water; Acalase alkaline protease is added to carry out the enzymolysis; the bottom residue is removed by centrifuging so as to obtain soybean proteolysis supernatant; furthermore, the soybean proteolysis supernatant is homogenized and acidity is adjusted to PH 4.5; the protein in the soybean proteolysis supernatant is deposited and centrifuged for 10-20min; the obtained deposition is mixed with the deionized water by the water / material ratio of 3-5w / w; the mixed solution is adjusted to neutral by adding NaOH and frozen dryly or sprayed dryly so as to obtain the emulsion-typed soybean protein isolate. The process of the invention is simple and reliable, which remarkably improves the emulsion performance of the soybean protein.

The present invention provides a water-in-oil type sunscreen cosmetic with superior emulsion stability, which hardly whiten the skin when applied, is easy to spread, barely oily, and have excellent applicability. The water-in-oil type sunscreen cosmetic comprises particulate zinc oxide subjected to surface hydrophobizing treatment and / or particulate titanium dioxide subjected to surface hydrophobizing treatment, silicone branched type polyglycerin-modified silicone and isostearic acid, wherein the content of the silicone branched type polyglycerin-modified silicone is 1.5-10% by mass of the total amount of the cosmetic, and the content of the isostearic acid is 0.1-10% by mass of the total amount of the cosmetic.

There is provided a novel pesticidal emulsifiable concentrate composition that contains a phenoxypropionate herbicide (e.g., quizalofop-p-ethyl), a polar solvent (e.g., N-methyl-2-pyrrolidone), non-polar solvent (e.g., aromatic or aliphatic hydrocarbon) and a surfactant (e.g., polyoxyethylene castor oil ether, polyoxyethylene styryl phenyl ether), and that is improved in low-temperature stability and emulsion stability.

An oil-in-water emulsion useful as a defoamer for pulp and paper mill applications is described. The defoamer has an oil blend (of a triglyceride oil or a mixture of triglyceride oils and silicone), a stabilizing agent (to make the oil blend stable in the emulsion), hydrophobic silica particles, surfactants, dispersants, and other components. The emulsion is usable directly at low concentrations to control foam.

The invention discloses a vegetable oil modified defoaming agent and a preparation method thereof. Epoxy vegetable oil, saturated fat monohydric alcohol, ethylene oxide (EO) and propylene oxide (PO) are used as raw materials and subjected to ring-opening polymerization reaction in the presence of a catalyst to obtain the vegetable oil modified defoaming agent. The defoaming agent is prepared by using the vegetable oil as a raw material, so that the dependence on petrochemicals is reduced; EO and PO chains are introduced into molecular chains of the vegetable oil, so that the defects that the vegetable oil is difficult to store, easy to go bad, poor in hydrophilic property and difficult to effectively disperse in water are overcome, and the defoaming agent has good emulsification, dispersion and permeation performance and excellent defoaming performance, is safe and nontoxic and has good biodegradability; and the preparation process is clean and efficient, and emission of waste gas, waste water and waste residue is nearly avoided.

The invention discloses DHA microcapsules. Crosslinking protein and carbohydrate are taken as the microcapsule wall materials, wherein the weight of carbohydrate accounts for 80-99% of the total weight of the wall materials; DHA grease is taken as the microcapsule core materials, wherein the weight of DHA grease accounts for 10-40% of the total weight of the microcapsules. The invention discloses a preparation technology of the above DHA microcapsules. The DHA microcapsules in the invention take edible protein as the main wall material, wherein an enzymatic crosslinking technology is utilized to establish the emulsion matrix skeleton structure to form a protein embedding network system, thus reducing the grease not embedded to the minimum limit, also reducing the impact of external factors on the grease in the process of forming the microcapsules; and simultaneously, edible carbohydrate is added to serve as the filling agent, and the filling agent is easy to exist in the glass state between capsules and on the surface of the capsule walls after the microcapsules are formed, thus inhibiting the entrance of oxygen, preventing the generation of fishy abnormal flavor of the grease, and the shelf life of the formed DHA microcapsules is over 24 months.

A novel and environmentally friendly lignin based lubricant composition in the form of oil, gel, grease, paste, solid, or water / glycol emulsion comprising lignin and / or its derivatives with a dosage ranging from 0.01 to 95 wt %, preferably 0.1% to 80 wt %, or even more preferably 0.5 to 60 wt % dispersed in at least one or more components selected from 1) base oils, 2) surfactants or coupling agents, 3) lubricant additives, or 4) grease thickeners of soap or non-soap type whereupon the said composition was found to exhibit novel and synergistic performance benefits such as, but not limited to, antioxidancy, extreme pressure, antiwear, lubricity as well as a rheology modifying characteristics, e.g. thickening effect, for a broad range of lubricant, grease, or oil field drilling applications.

The invention relates to a beta-carotene microcapsule and a preparation technology thereof. The technology comprises the following steps: mixing corn starch which contains beta-carotene crystals and microhole ocentyl succinic anhydride and serves as a core material, an oil phase consisting of plant oil, an antioxidant and the like and a water phase consisting of a wall material, an antioxidant, a dispersant, water and the like according to a ratio, homogenizing to prepare microemulsion, and performing spray drying to prepare beta-carotene microcapsule powder. In a preparation process, no organic solvent needs to be added, and an obtained product keeps the bioactivity, is stable to the photo-thermal property and is extremely high dissolvability in cold water; processing, transportation and storage are facilitated; the safety, the flowability, the taste and the water solubility of the product are greatly improved; the beta-carotene microcapsule is a high-quality health food and food pigment raw material. The yield of the beta-carotene microcapsule prepared by the technology is high, and the preparation method is suitable for batch preparation of the beta-carotene microcapsules; continuous large-scale production is realized.

The invention relates to a preparation method of emulsified stable type soy isolate protein and belongs to the field of process technology of soy protein. The preparation method comprises the main steps as follows: preparing a soy isolate protein solution with the ratio of deionized water to soy isolate protein used as a raw material being (5-25):1 w / w; fully hydrating, and then stirring and preheating at 40-60 DEG C; regulating pH to be 6.5-7.5; adding papain for enzymolysis to obtain a sample of different hydrolysis degrees; then killing enzyme for 5 min at 90 DEG C; cooling to room temperature; regulating pH to be neutral; centrifuging; taking supernate to carry out freeze drying or spray drying; preparing a sample solution with the ratio of deionized water to the sample of different hydrolysis degrees being (5-25):1 w / w; preheating at 30-50 DEG C; regulating pH to be 7.0; adding transglutaminase to start crosslinking; after 1h, heating for 5 min at 80 DEG C to inactivate the enzyme; cooling to room temperature; then regulating pH to be neutral; centrifuging; taking supernate; and performing freeze drying or spray drying to obtain the highly emulsified stable type soy isolate protein. The preparation method for the emulsified stable type soy isolate protein is economic and effective; and the emulsion stability of the soy protein is remarkably improved.

There is disclosed an organopolysiloxane represented by the following general formula (1).(each R1 independently represents a group selected from an alkyl group having 1 to 30 carbon atoms, a fluorine-substituted alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, and an aralkyl group having 6 to 30 carbon atoms; Y represents a polyvalent alcohol compound residue; M represents any of a hydrogen atom, an alkaline metal atom, an ammonium ion, and an alkylammonium ion; and reference character m represents an integer of 0 to 300.) There can be an organopolysiloxane capable of providing a cosmetic having excellent emulsion stability, excellent powder-dispersion stability if powders are contained therein, and excellent skin affinity and cosmetic durability, due to a novel organopolysiloxane having a specific structure containing a nonionic hydrophilic group and an anionic hydrophilic group of a carboxylic acid structure; and a cosmetic containing it.

The present invention provides edible aqueous oil-in-water emulsions comprising 15-70% wt oil having a saturated fatty acid content of at least 20% wt and at least 10% wt of said oil being solid at 37° C., 0.1-5% wt emulsifier which is a protein and 25-84.9% wt water. The oil preferably comprises palm oil and the emulsifier preferably comprises partially denatured egg white. The emulsions provide good satiety benefits and do not adversely affect the taste of products into which they are incorporated. Furthermore the emulsions are very stable which has benefits also for the food products and beverages into which they are incorporated. Also provided are food and beverage products comprising the emulsion of the invention.

The invention provides an emulsified water in oil composition comprising: A) a fuel; B) a water; C) a high molecular weight emulsifier; D) a surfactant having a molecular weight of about less than or equal to about 950 g / mol wherein the surfactant comprises: i) natural fats; ii) non-ionic and ionic surfactants; iii) co-surfactant; iv) fatty acids and their amine salts; or v) combinations thereof; and E) optionally ammonium nitrate.

The present invention relates to compositions based on olefinic copolymers and / or polyacrylates in the form of stable and concentrated emulsions. Such compositions are particularly effective as additives for lowering the pour point of crude oils and / or for inhibiting paraffin deposition in crude oils, especially in one-pot form.