1719results about "Mixing" patented technology

A coating composition comprises: a fluoro-aliphatic group-containing copolymer comprising a repeating unit A corresponding to a fluoro-aliphatic group-containing monomer, and a repeating unit B corresponding to at least one monomer, wherein each of the I / O values of said at least one monomer constituting the repeating unit B is 1.0 or less.

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.

To provide a perfluoropolyether compound expressing excellent surface tension reduction performance, and expressing excellent foamability and foam stability not only during diluting fresh water but also during diluting sea water, and a fluorine-based surface active agent including the compound.SOLUTION: A perfluoropolyether dicarboxylic acid compound or a salt thereof is expressed by the following formula (1). In the formula, Rf1 represents a 1-4C perfluoroalkyl group. R1 represents a substituted or unsubstituted 1-10C hydrocarbon group. R2 represents a substituted or unsubstituted 1-6C hydrocarbon group. R3 and R4 are same or different and each represent a substituted or unsubstituted 1-4C hydrocarbon group. n is an integer of 0-5.SELECTED DRAWING: None

The invention belongs to the technical field of organic compounds, and particularly relates to a multifunctional organic silicon glycosyl amide cationic surfactant as well as a preparation method and application thereof. The preparation method of the surfactant comprises the following steps: carrying out amine ester reaction on glucolactone and N, N-dimethyl dipropylene triamine to obtain a precursor; carrying out substitution reaction on the precursor and bromododecane to obtain an intermediate; the intermediate and 3-chloropropyl methyl dimethoxy silane or 3-chloropropyl methyl trimethoxy silane are subjected to a quaternization reaction, and the surfactant is obtained. The surfactant has good environmental protection property and biocompatibility, is non-toxic and non-irritant, can sterilize and improve the rewettability of the material surface, and has wide application prospects in the aspects of pesticide, textile, daily chemical industry and material transportation and storage.

The invention relates to the technical field of dispersing agents, and particularly discloses a high-concentration water-based graphene dispersing agent. The high-concentration water-based graphene dispersing agent is prepared from the following raw materials in parts by weight: 25 to 30 parts of a modified nonionic surfactant, 8 to 12 parts of sodium lignin sulfonate, 0.4 to 0.8 part of a de-foaming agent and 90 to 100 parts of de-ionized water, the modified nonionic surfactant is prepared by the following steps: carrying out dehydration esterification reaction on 1-pyrene butyric acid and N-hydroxysuccinimide, carrying out nucleophilic substitution reaction on the obtained product and polyethylene glycol monododecyl ether to obtain modified 1-pyrene butyric acid, and finally polymerizing the modified 1-pyrene butyric acid and n-butyl acrylate. The method is easy to operate, graphene does not need to be subjected to oxidation reduction, the integrity of a graphene sheet layer can be completely kept, and the performance of the graphene can be fully exerted; the prepared graphene dispersing agent realizes efficient dispersing effect, excellent stability and environment-friendly safety characteristics, and provides solid technical support for wide application of graphene in multiple fields.

The present invention relates to pro-nano-emulsion compositions comprising at least one type of Omega 3 fatty acid capable of converting to nano-emulsion composition having average droplet size of below Ip, typically below 0.5p, and use thereof, particularly as dietary supplement, for preferential delivery of the Omega 3 fatty acid to heart and / or liver tissue of a subject consuming the composition, thereby maintaining normal cardiovascular / hepatic function and / or improving cardiovascular / hepatic disease or disorders.

The invention relates to the technical field of emulsion preparation, and discloses a metal-polyphenol network graphene oxide Janus nanosheet as well as a preparation method and application thereof, GO JNSs is taken as a solid emulsifier to encapsulate EOs, the problems that EOs are easy to volatilize and poor in water solubility at normal temperature can be solved, and the metal-polyphenol network graphene oxide Janus nanosheet and auxiliaries in a system can achieve a synergistic effect to resist bacteria. The Pickering emulsion containing GO JNSs has good emulsion stability, has excellent hydrophilicity and adhesion performance of polyphenol, can significantly enhance the wetting and spreading effects of emulsion droplets on leaf surfaces, and inhibits rebounding and splashing of the liquid droplets. The preparation process of the GO JNSs and the JNSs-EU-PE is simple, the process is environment-friendly, and the GO JNSs and the JNSs-EU-PE have industrial production prospects.

The invention relates to an oligomeric bio-based surfactant and a preparation method and application thereof, the oligomeric bio-based surfactant has a structure as shown in the following formula 1 or formula 2: # imgabs0 # imgabs1 # X1-X2 are selected from-(CH2) n-or substituted or unsubstituted thienyl with the carbon atom number of 4-10, n represents the number of CH2, and n is any integer selected from 0-12; z1-Z5 are respectively and independently selected from a disaccharide group, R1-R5 are respectively and independently selected from-CH (CH3)-Y-COOH, and Y is selected from a saturated or unsaturated linear alkyl group with the carbon atom number of 9-19. Compared with unmodified sophorolipid, the sophorolipid is modified. The oligomeric bio-based surfactant disclosed by the invention has a lower contact angle and higher wettability; meanwhile, molecules have a branched space structure and intramolecular sugar ring steric hindrance, fusion of foams can be promoted, the low-foam characteristic is shown, and the low-foam bio-based cleaning agent has a good industrial application prospect as a green and efficient low-foam bio-based cleaning agent.

The invention relates to the technical field of oil well paraffin removal and prevention, and discloses a paraffin removal and prevention agent for an oil well shaft and a preparation process. The paraffin remover and inhibitor for the oil well shaft comprises the following components in parts by weight: 10-25 parts of a compound surfactant, 15-30 parts of a mutual solvent, 5-10 parts of a stabilizer, 1-10 parts of a novel wax crystal improver, 0.2-0.5 part of a rapid penetrant, 0.5-1.5 parts of alkali and 25-70 parts of water, the novel wax crystal improver has a structure similar to that of paraffin, and wax crystals can be dissolved in the novel wax crystal improver, so that the wax crystals are not easy to gather and deposit on a pipe wall, and the dissolution rate of the wax crystals is further improved; sodium sulfonate in the structure has strong polarity and hydrophilicity, can adjust the crystallinity of paraffin inhibitor molecules, has a synergistic effect with asphalt, colloid and the like in crude oil, reduces the surface tension of water, has a good wetting effect, and improves the low-temperature fluidity of the crude oil.

The invention relates to a recyclable easily-degradable macromolecular surfactant for cleaning oily sludge and application of the recyclable easily-degradable macromolecular surfactant. The macromolecular surfactant is prepared by taking acrylamide, methacrylic acid long-chain alkyl ester and tertiary amino substituted methacrylate as raw materials through free radical polymerization. The macromolecular surfactant is dissolved in water to prepare a cleaning solution, and oily sludge can be efficiently eluted. CO2 and N2 are sequentially introduced into the oil-containing emulsion after the oil-containing sludge is cleaned, or diluted hydrochloric acid and a diluted alkali aqueous solution are sequentially added, the hydrophilic-hydrophobic property of the macromolecular surfactant is changed through pH regulation and control, separation of the macromolecular surfactant and an oil phase is achieved, petroleum resources are recycled, and recycling of the cleaning solution containing the macromolecular surfactant is achieved. The residual macromolecular surfactant in the cleaned deoiled sludge can be degraded under the action of environmental microorganisms.

Disclosed herein are fluoroolefin compositions, methods of producing the same, methods and systems using the same, and systems containing the HFO-1234ze compositions. The inventive compositions are useful as refrigerants in air conditioning and refrigeration systems, and also as blowing agents.

The invention provides a multi-component copolymer dispersant for grinding heavy calcium carbonate, which is copolymerized by the following monomers in percentage by weight: 20-60% acrylic acid, 20-60% p-styrene sulfonic acid, 10-30% maleic acid, 10-30% hydroxyethyl acrylate, and the sum of the weight percentages of each component is 100%; and the sum of the weight percentages of acrylic acid and p-styrene sulfonic acid is 60-80%, and the sum of the weight percentages of maleic acid and hydroxyethyl acrylate is 20-40%. Its preparation method includes adding at least one comonomer and an appropriate amount of water to a reactor to mix and form a bottom material, heating to a polymerization reaction temperature, and simultaneously dripping an initiator, a reducing agent and the remaining comonomers to carry out a free radical copolymerization reaction, and adjusting the pH value to 5-9 with a neutralizer after the reaction is completed to obtain a dispersant. The dispersant of the present invention selects a variety of different monomers for copolymerization, and the dispersion effect is still very good when the usage amount is greatly reduced, and the viscosity and dispersion stability of the heavy calcium slurry are greatly improved.

The present disclosure provides derivatives of amino acids that have surface-active properties. The amino acid can be naturally-occurring or synthetic, or they may be obtained via a ring-opening reaction of a lactam, such as caprolactam. The amino acid may be functionalized to form a compound that is surface-active and have advantageous surfactant characteristics. The compounds of the present disclosure have low critical micelle concentrations (CMC) as well as superior ability to lower the surface tension of a liquid.

The present invention relates to a wear-resistant, spray-free PP material, belonging to the technical field of spray-free plastics. The present invention combines a modified surfactant with a masterbatch, thereby imparting antioxidant properties to the masterbatch while simultaneously improving dispersion and bonding within the polymer. The addition of plant nanofibers renders the material more wear-resistant, and the plant nanocarbon fibers are treated with ionic liquids to enhance their dispersibility and compatibility within the polymer. The PP material of the present invention has excellent wear resistance and good surface aesthetics, requiring no additional spraying treatment. Through refined material proportioning and process optimization, it achieves excellent mechanical properties and environmental friendliness, while also exhibiting good processing performance and stable color distribution.

Inks, paints, adhesives, and paint strippers may be formulated to include one or more surfactants, from one or more surfactant classes, such as siloxane derivatives of amino acids that have surface-active properties.

The present invention relates to a dispersant for graphite and graphene and its application. The composition is a synergistic combination of alkyl sulfosuccinate and polyalkylene glycol. Appropriate adding amount thereof can quickly and easily disperse graphite and graphene in the medium, improve its dispersion uniformity and stability, delay its sedimentation, and inhibit its re-accumulation. Furthermore, the present invention can apply graphite and graphene to other media besides non-water-based or organic solvents. The composition of the present invention does not contain flammable volatile chemicals, any fluorine-, silicon- or phosphorus-based compounds, or any aromatic substances. The present invention can not only reduce environmental pollution but also improve the operational safety of relevant personnel.

The invention discloses a gemini type silicon-containing surfactant as well as synthesis and a compound mixture thereof, belongs to the technical field of surfactants, and relates to a compound capable of being used as a surfactant and a synthesis method thereof. When the surfactant is combined with a hydrocarbon surfactant, the problems that the existing silicon-containing surfactant is low in cost and low in activity are solved; the gemini surfactant has the performance of reducing surface tension, the lowest surface tension can reach 20 cm / N, after the gemini surfactant is compounded with a hydrocarbon surfactant, the foaming power is high, the cost is remarkably reduced, and the economic value is very good.

Surfactants for use in formulations and processes suitable for hydrocarbon recovery. These formulations, include formulations suitable for fracking, enhancing oil and or gas recovery, and the recovery and or production of bio-based oils.

The invention relates to the technical field of ore flotation, and discloses a preparation process of a foaming agent. The foaming agent is obtained by mixing fluorine-containing pyridine modified carboxyl betaine, sulfonic group modified polyoxyethylene ether and methyl isobutyl carbinol. Fluorine atoms can enhance the stability of the foaming agent and improve the flotation effect; sulfur atoms and metal ions form a stable chelate, and mineral separation and purification are achieved; pyridyl can generate electrostatic attraction with the surface of the mineral to form a hydrophobic membrane, so that the adhesive force of bubbles and the mineral is improved, and the flotation effect is enhanced; polar groups in the carboxyl betaine are adsorbed on the surfaces of the minerals, and non-polar groups face outwards, so that the surfaces of the minerals are hydrophobic, and a flotation effect is achieved; sulfonic groups can be adsorbed on the surfaces of minerals, so that the original hydrophilic surfaces of the minerals are changed into hydrophobic surfaces, and the floatability of the minerals is improved; the polyoxyethylene ether has good dispersing performance, so that the foaming agent is more uniformly distributed in ore pulp, and minerals can be better captured by bubbles and float upwards.

A system and method for transferring chemical, pharmaceutical, and / or biological material into or out of a container are provided. Further, a use of a transfer interface for accessing the interior of a disposable container is provided. The system comprises a disposable container having at least one port for accessing the interior of the container. The system further comprises a transfer interface connectable to the at least one port. The transfer interface comprises a plurality of extendable transfer elements for collecting samples from the disposable container in a sterile manner. The transfer elements may also be referred to as sampling elements, extractors, or probes. Each of the transfer elements has a corresponding biasing element for retracting the transfer element. The biasing element may be implemented as a spring or as another device capable of applying a biasing force.

The present invention relates to a preparation method and application of a supramolecular aggregate surfactant, and belongs to the field of supramolecular coordination chemistry, surface modification engineering and hydrophobic coating technology. In the present invention, 4-hydroxypyridine-2,6-dicarboxylic acid and malonic acid prepare an adhesive ligand, and with the help of the coordination of the carboxyl structure and lanthanum ions on 4-hydroxypyridine-2,6-dicarboxylic acid and perfluorooctanoic acid, a supramolecular aggregate in a nano-aggregated state is obtained, which is self-assembled into a supramolecular aggregate surfactant. The active agent can solubilize fluoride and can also be applied in the field of hydrophobic coatings. The coating has the characteristics of imitating lotus leaf structure and hydrophobic wax, and has good hydrophobic properties.

The invention provides a fluorosilane modified gemini surfactant and a preparation method thereof, a resistance reducing agent and a preparation method thereof, and a polymer fracturing fluid. The fluorosilane modified gemini surfactant has a structure as shown in a formula I, wherein R1 is selected from one or a combination of more than two of saturated alkyl, alkylaryl, alkylalkyloxy, alkylacyl and unsaturated alkyl with 1-8 carbons, and R2 is selected from one or a combination of more than two of alkyl, alkylaryl, alkylalkyloxy, alkylacyl and unsaturated alkyl with 1-8 carbons; (CF2) the number of n in n is 1 to 18; x <-> is Br <-> and / or I <->; and R2 is selected from one or a combination of more than two of straight-chain saturated alkyl, branched-chain saturated alkyl, alkylaryl, alkylalkoxy, alkyl ester group and unsaturated alkyl with 1-8 carbons. According to the invention, the fluorosilane modified gemini surfactant is used as a hydrophobic monomer of the resistance reducing agent, so that the synthesized resistance reducing agent has a single-head and double-tail gemini surfactant structure, the tackifying and sand-carrying capabilities are improved, and the surface and interface tension of a gel breaking solution and reservoir rocks is reduced.

The present disclosure provides siloxane derivatives of amino acids that have surface-active properties. The amino acid can be naturally-occurring or synthetic, or they may be obtained via a ring-opening reaction of a lactam, such as caprolactam. The amino acid may be functionalized with a siloxane group to form a compound that is surface-active and has surfactant characteristics. The compounds have low critical micelle concentrations (CMC) as well as the ability to lower the surface tension of a liquid.

To provide a non-fluorinated dispersant capable of achieving dispersibility equivalent to that of a fluorinated dispersant in a dispersion containing dispersed fluorinated resin particles.SOLUTION: There is provided a dispersant for fluorinated resin particles for dispersing fluorinated resin particles in a liquid, the dispersant comprising: (1) a non-fluorinated copolymer containing, as repeating units, (a) a Si-O-bond-containing monomer having one polymerizable functional group in a single molecule, the polymerizable functional group being a (meth)acryloyl group, and (b) a (meth)acryloyl-group-containing monomer having one polymerizable functional group in a single molecule, the polymerizable functional group being a (meth)acryloyl group, except that the Si-O-bond-containing monomer is excluded; and (2) an organic solvent.SELECTED DRAWING: None

One embodiment of the present invention relates to: a composition containing particles having a refractive index of 1.8 or more, a polymer compound represented by formula (1), and a solvent; a liquid crystal film, a film or a display device using the composition; and a dispersant containing a polymer compound represented by formula (1). In formula (1), the whole has one or more mesogenic structures, and m + n satisfies 2-10. A1 represents at least one group selected from the group consisting of an acid group, a urea group, a urethane group, a group having a coordinating oxygen atom, a group having a basic nitrogen atom, a phenol group, an alkyl group, an aryl group, a group having an alkyleneoxy chain, an imide group, an alkoxycarbonyl group, an alkylaminocarbonyl group, a carboxylate group, a sulfonamide group, a heterocyclic group, an alkoxysilyl group, and an epoxy group; and P1 represents a polymer chain, a monovalent group of a group selected from the group consisting of an isocyanate group and a hydroxyl group. # imgabs0 #

The invention relates to the technical field of petroleum additives, in particular to a surfactant as well as a preparation method and application thereof. The structure of the surfactant is # imgabs0 #, and in the formula, T is selected from bicycloalkane or polycycloalkane; r and R0 are the same or different and are independently selected from H or C1-C6 alkyl groups; r1, R2, R3, R4 and R5 are the same or different and are respectively and independently selected from H and substituted or unsubstituted sulfonic acid groups; t is a natural number from 0 to 9; the surfactant takes a bicyclic or polycyclic naphthenic base group as a hydrophobic group, a hydrophobic association polymer can be prepared through a soap-free emulsion polymerization method, the molecular weight is adjustable and controllable, the hydrophobic association effect is outstanding, the post-treatment process is simple, and industrial production is facilitated.

The invention relates to a quaternary ammonium salt type bio-based surfactant as well as a preparation method and application thereof, and the quaternary ammonium salt type bio-based surfactant is prepared by taking industrial sophorolipid as a raw material through ring-opening reaction and quaternization reaction. Compared with unmodified sophorolipid, the quaternary ammonium salt type bio-based surfactant disclosed by the invention has more excellent surface activity, lower contact angle and higher foaming capacity and wettability, the wetting reversal capacity on the oil phase surface is obviously improved, the viscosity reduction rate of heavy oil is higher than 99%, and the quaternary ammonium salt type bio-based surfactant has a better industrial application prospect in emulsification and viscosity reduction exploitation of heavy oil.

The application discloses a high-efficiency environment-friendly foam extinguishing agent for a converter station or a transformer substation and a preparation method thereof. A structural formula of a quaternary ammonium salt modified tetrasiloxane surfactant used in the extinguishing agent is shown in the specification. The surface tension of the quaternary ammonium salt modified tetrasiloxane surfactant is less than or equal to 20.8 mN / m. The quaternary ammonium salt modified tetrasiloxane surfactant can be specifically applied to development of the high-efficiency environment-friendly foam extinguishing agent for the converter station or the transformer substation. The high-efficiency environment-friendly foam extinguishing agent has excellent foaming performance, stability, extinguishing performance and film forming performance.

The invention provides colloidal liquid foam and application thereof in removal of heterogeneous aquifer pollutants, and belongs to the technical field of environmental remediation. The colloidal liquid foam raw materials comprise a water-soluble surfactant solution and an oil-soluble surfactant solution, the water-soluble surfactant solution is a sodium dodecyl sulfate solution, and the oil-soluble surfactant solution is an organic solvent of fatty alcohol polyoxyethylene 9 ether. And injecting the colloidal liquid foam into the heterogeneous aquifer heavily polluted by the non-aqueous phase liquid, then extracting the heterogeneous aquifer, and injecting clear water for cleaning so as to remove pollutants in the heterogeneous aquifer. The colloidal liquid foam is suitable for the temperature environment of the aquifer, the removal effect on the heavy non-aqueous phase liquid pollutants is not affected by the types and concentration of inorganic ions, the remediation technology is simple in process, and the removal efficiency on the heavy non-aqueous phase liquid pollutants can reach 99% or above.

Disclosed in the present disclosure are a bio-based organic silicon surfactant, and a preparation method therefor and the use thereof. The surfactant has the following structure: Si(CH3)3-O-[Si(CH3)2-O]a-[Si(CH3)R1-O]b-[Si(CH3)R2-O]c-Si(CH3)3. By using a comb-shaped structure with a hydrophobic siloxane as a main chain and a hydrophilic polyether as a side chain, a bio-based substance is grafted and introduced to the polyether at the side chain thereof by means of an epoxide ring-opening reaction, thereby adjusting the hydrophilicity and lipophilicity of the organic silicon surfactant to a certain extent and improving the surface activity of the organic silicon surfactant. The introduction of the bio-based substance can reduce the heat conductivity coefficient of polyurethane foam, increase the flow index of the polyurethane foam and improve the heat insulation performance and flowing performance of the foam. In addition, the synthesis of the organic silicon surfactant provides a new synthesis route for the development of a bio-based foam stabilizer; and the preparation method is simple, easily operated and suitable for industrial production.