1304results 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.

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 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.

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.

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 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

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.

The invention relates to the technical field of surfactants, and particularly discloses a preparation method and application of a sulfosuccinate type surfactant, and the preparation method specifically comprises the following steps: (1) esterification reaction: under the protection of inert gas, adding fatty alcohol and carboxylic acid anhydride, introducing gas for 10-20 minutes, adding a difunctional acidic site catalyst, heating to 95-105 DEG C, and reacting for 2-3 hours to obtain an esterification product; and (2) sulfonation reaction: cooling the esterification product to 70-80 DEG C, dropwise adding 20-40wt% of sulfonating agent aqueous solution, preserving heat for 1-2 hours after dropwise adding, and then performing post-treatment to obtain the sulfosuccinate type surfactant. In the preparation process, one-pot preparation is realized by regulating and controlling process conditions and developing a catalyst to efficiently catalyze esterification and sulfonation, intermediate products do not need to be separated between esterification and sulfonation, material loss caused by transfer and separation is avoided, the adopted catalyst can be used for inhibiting premature oxidation of a sulfur source in the sulfonation process, and the sulfonation efficiency is improved. The generation of byproducts is reduced, and the yield is improved.

The invention provides a polycarbonate polyether sulfate salt surfactant as well as a preparation method and application thereof, and belongs to the technical field of surfactants. The polycarbonate chain segment endows the polymer with certain rigidity and stability, the polyether chain segment provides good hydrophilicity and flexibility, and the sulfate salt group enhances the surface activity of the polymer. The polycarbonate polyether sulfate salt surfactant provided by the invention is strong in emulsibility, good in low-temperature solubility and strong in capability of reducing surface tension at low concentration, a rigid structure of a polycarbonate chain segment can be more easily decomposed by microorganisms, environmental residues are reduced, and the surfactant is environment-friendly. The method can be used in the fields of personal care products, household cleaning products, textile printing and dyeing assistants, coating and ink assistants or oil displacement agents for oil fields.

The invention relates to an efficient compound emulsifier based on hydrophilic polyelectrolyte, and belongs to the field of colloid and interface chemistry. The composite emulsifier is composed of a hydrophilic polyelectrolyte and an ionic surfactant, and the hydrophilic polyelectrolyte and the ionic surfactant have the same charges in a water phase. The compound emulsifier is an efficient O / W type emulsifier. Wherein the effective concentration of the polyelectrolyte can be as low as 0.001 wt.% of the mass fraction of the polyelectrolyte in a water phase, and the effective concentration of the ionic surfactant can be as low as 0.01 times of the critical micelle concentration (cmc) of the ionic surfactant. The composite emulsifier has good biocompatibility and can be safely used in the fields of food, medicine, cosmetics and the like. The efficient compound emulsifier can greatly reduce the use amount and emission of the surfactant, and has extremely high economic benefits and environmental benefits.

A composition, comprising a phosphonated polyamine, wherein the phosphonated polyamine has a molar ratio C:P of ≥ 2.8. An aqueous dispersion, an electrochemical device, use of the composition to disperse a particulate in an aqueous solvent, use of the composition in production of an additive, use of the composition in the composition of electrode are also provided.

The present invention discloses a light-responsive Pickering emulsion that is synergistically stabilized by a spiropyran ionic liquid and UiO-66-NH2. The Pickering emulsion comprises an oil-water phase, and its stabilizer is a spiropyran ionic liquid and a metal-organic framework material UiO-66-NH2. The stable Pickering emulsion can undergo demulsification under additional visible light irradiation. When further irradiated with ultraviolet light, the system can be re-emulsified to form a stable Pickering emulsion. The Pickering emulsion provided by the present invention can be used for the Click reaction of hydrophilic azide compounds and terminal alkynyl compounds. Through reversible visible light and ultraviolet light regulation, the catalyst and spiropyran ionic liquid can be recycled, and the Pickering emulsion has application value in the fields of controlled drug release and sustainable catalysis.

The invention belongs to the technical field of imidazoline surfactant preparation, and discloses high-stability salt-free imidazoline as well as a preparation method and application thereof. The preparation method comprises the following steps: adding molten fatty acid and hydroxyethyl ethylenediamine into a loop reactor, and reacting in nitrogen to obtain an imidazoline intermediate; carrying out hydrolysis reaction on the imidazoline intermediate and water to obtain a hydrolysis product; and carrying out quaternization reaction on the hydrolysate, a basic catalyst and an acrylic acid compound to obtain a quaternization reaction product, adding alkali liquor into the quaternization reaction product, and reacting to obtain the salt-free imidazoline. According to the preparation method disclosed by the invention, the materials realize self-circulation reaction in the loop reactor, and compared with a traditional kettle type stirring process, the mass transfer and heat transfer efficiency is greatly enhanced, the reaction time is short, and the energy consumption is low; the by-product water is cyclically removed in the loop reactor by adopting a nitrogen system, vacuum control dehydration is not needed, the raw material loss is reduced, and the process operation is relatively simple.

The invention discloses a preparation method and application of a dendritic block polyether surfactant, and relates to the technical field of polyether surfactants. The invention relates to a preparation method of a dendritic block polyether surfactant, which comprises the following steps: (1) mixing pentaerythritol, a glycidyl ether compound and a catalyst A, heating, stirring and mixing, and carrying out heat preservation reaction to obtain a reaction product; (2) adding a catalyst B into the reaction system in the step (1), adjusting the temperature of the system, introducing nitrogen to replace air in the reaction system, and carrying out aging reaction after feeding is finished; and heating, maintaining the pressure of the system at 0.25-0.3 MPa, adding ethylene oxide, and continuing the aging reaction after the feeding is finished, thereby obtaining the dendritic block polyether surfactant. According to the invention, epoxypropane, ethylene oxide and pentaerythritol are adopted to form a tree-shaped high-performance block polyether surfactant, so that the problems that the emamectin benzoate water suspending agent is easy to be subjected to Ostwald ripening during sanding, easy to separate out during heat storage, easy to grow and the like are solved.

The invention discloses an anionic surfactant and a preparation method and application thereof.The anionic surfactant has a double-wedge-shaped molecular structure, alkaline earth metal benzene sulfonate serves as a polar hydrophilic wedge tip, a long-chain alkoxy flexible chain segment serves as a hydrophobic wedge group, the surface tension of water can be remarkably reduced in an aqueous solution, and the anionic surfactant has excellent emulsifying capacity. The molecular structure is based on alkaline earth metal benzene sulfonate and has good thermotropic and lyotropic liquid crystallinity, the liquid crystal phase temperature range of the molecular structure exceeds 140 DEG C, and the phase transition temperature and the mesogenic state temperature range can be controlled by adjusting the number of carbon atoms of an alkoxy substituent. When in a mesogenic state, the molecules can form a supramolecular columnar phase through self-assembly aggregation, and the columnar structure can form a transmission channel with ion recognition in the column center direction. By utilizing the characteristic, a novel bionic ion selective conduction membrane can be constructed, and the biomimetic ion selective conduction membrane has wide application potential in the aspects of preparation of ion selective electrodes and chemical sensors and the like.

The invention relates to composite dispersing type nanometer aluminum oxide slurry with good dispersity in an aqueous solution and a preparation method thereof.The composite dispersing type nanometer aluminum oxide slurry is obtained by adding nanometer aluminum oxide powder into dispersion liquid, the dispersion liquid is prepared from a composite dispersing agent, the composite dispersing agent comprises a dispersing agent A and a dispersing agent B, wherein the dispersing agent A is a mixture of bentonite and deionized water; the dispersing agent B is a mixture of a high-molecular polymer and deionized water. Through multiple dispersion effects of the composite dispersant, the prepared nanometer alumina slurry has the advantages of good dispersibility, stable solution system, short time and energy consumption and the like.

The invention belongs to the technical field of oily sludge cleaning, and particularly relates to a macromolecular / micromolecular composite surfactant for intensively cleaning oily sludge. A main monomer (such as acrylamide), a hydrophilic monomer (such as 2-acrylamido-2-methylpropanesulfonic acid) and a hydrophobic monomer (such as methacrylic acid long-chain alkyl ester) are mixed, and the macromolecular surfactant is synthesized through free radical polymerization. The specific long-chain structure of the macromolecular surfactant can form larger micelles, colloid and asphaltene can be effectively wrapped, the macromolecular surfactant is compounded with the micromolecular surfactant for use, and mixed micelles with higher solubilizing capacity can be formed, so that the colloid and asphaltene in the high-medium-concentration oily sludge can be efficiently removed, and the high-medium-concentration oily sludge can be effectively removed. Further, the removal rate of total petroleum hydrocarbon is improved. The invention provides a new technology for high-efficiency deep treatment of high-medium-concentration oily sludge.

To provide a multi-type emulsion composition and a preparation method thereof.SOLUTION: Disclosed herein are a multi-type emulsion composition and a preparation method thereof. The emulsion composition is a composition in which a water part and an oil part are mixed and emulsified, the water part includes a non-amphipathic nanoparticle dispersion, the oil part includes an emulsion and the emulsion includes an oil phase or silicone phase as an external phase, the emulsion composition includes the water part as a continuous phase and the oil part as a dispersed phase, and the dispersed phase is surrounded by the non-amphipathic nanoparticles.SELECTED DRAWING: Figure 1

The invention discloses a low-foam surfactant for emulsifying compound mineral oil as well as a preparation method and application of the low-foam surfactant. The low-foam surfactant is prepared from organic ammonium ester TPP, Span S-80, Tween 80, Yangba XP50 and deionized water. The preparation method comprises the following steps: mixing organic ammonium ester TPP and span-80 under a first condition; adding Tween 80 and Yangba XP50, and mixing under a second condition; the problems that a traditional surfactant for white oil emulsification is too much in foam, heavy in environmental burden, insufficient in stability and the like are solved.