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317 results about "Gel forming" patented technology

Preparation method of polyurethane pultrusion resin composite material

ActiveCN120697342AGlass fiberPolymer science
The invention relates to the technical field of polyurethane pultrusion, in particular to a preparation method of a polyurethane pultrusion resin composite material, which comprises the following steps: drawing glass fiber into a glue dipping tank filled with polyurethane resin for dipping; heating the impregnated glass fiber in a pre-forming mold to obtain a pre-cured gel forming body; when it is judged that preparation of the pre-cured gel forming body does not meet the preset standard according to the scattering intensity standard deviation of the pre-cured gel forming body, preparation parameters are adjusted; the pre-cured gel forming body meeting the preset standard is put into a pultrusion mold for pultrusion, and a cured forming body is obtained; when it is judged that the preparation of the cured molded body does not meet a preset standard according to the average ripple amplitude, determining an adjustment strategy for the preparation of the cured molded body to do not meet the standard according to the curvature variance of the surface lines; and pulling and naturally cooling the cured molded body meeting the preset standard to obtain the polyurethane resin composite material. The preparation efficiency of the resin composite material is improved.
Owner:TIANJIN JUSHI NEW MATERIAL TECH CO LTD

Octane alkoxy modified imine gelator, bi-component gel as well as preparation method and application of bi-component gel

The invention relates to the technical field of organic supramolecular chemical materials, in particular to an octyloxy-modified imine gelator, bi-component gel of the octyloxy-modified imine gelator and a preparation method and application of the octyloxy-modified imine gelator. The gelator is a symmetric o-octyloxy modified p-phenylenedialdehyde-maleonitrile imine gelator, and has an obvious aggregation-induced emission property; the gelator and the cholesteryl half-ester gel can form double-component organic gel without fluorescence emission in an organic solvent; the fluorescence-emission-free double-component gel formed in tert-butyl alcohol is red fluorescence-emission gel when meeting water, and is converted into blue fluorescence-emission gel when meeting NaClO, so that water and NaClO can be rapidly and intuitively detected; the gelator has fluorescence enhancement and blue shift after encountering NaClO in a solution state, has fluorescence'off-on 'detection on NaClO, has fluorescence emission intensity reduced after Hg < 2 + > is added in the solution state, and has fluorescence'on-off' detection performance on Hg < 2 + >.
Owner:DEZHOU UNIV

Method for comprehensively recovering silicon and magnesium based on rotary kiln-electric furnace type ferronickel slag

The invention discloses a method for comprehensively recovering silicon and magnesium based on rotary kiln-electric furnace type ferronickel slag. The method comprises the following steps: carrying out ball milling, leaching and solid-liquid separation on the rotary kiln-electric furnace type ferronickel slag, standing supersaturated silicon in a leaching solution at normal temperature to generate a gel phenomenon, stirring and crushing to obtain a mixed phase of a magnesium sulfate solution and a silica gel block, and separating the gel solution to obtain a magnesium sulfate crude solution and wet crude silica gel; preparing high-purity hydrated magnesium sulfate with the purity of 99.9% from the magnesium sulfate crude liquid through processes of purification, crystallization and the like; the wet coarse silica gel is subjected to further alkali dissolution, gel forming and other processes to produce silica gel with the purity of 99%; the method has the advantages of low energy consumption, high product added value and element recovery rate and convenience in industrialization, and has excellent popularization and application prospects.
Owner:GUANGXI UNIV

Ceramic three-dimensional (3D) printing device based on gel molding process and control method

The present disclosure provides a ceramic three-dimensional (3D) printing device based on a gel molding process and a control method. The ceramic 3D printing device based on a gel molding process includes a feeding assembly, a receiving assembly, a scraping assembly, and a spray assembly. The feeding assembly includes a feeding pump and a storage hopper. The receiving assembly includes a feeding rod. The feeding pump can convey slurry in the storage hopper to the feeding rod. The control method includes introducing the atomized liquid into the storage hopper and the bearing groove through the first spray pipe and the second spray pipe respectively. According to the present disclosure, a water content of the slurry can be controlled to achieve a better curing effect.
Owner:SHENZHEN ADVENTURE TECH CO LTD

Efficient grinding diamond abrasive and preparation process thereof

The invention relates to the field of abrasive materials, in particular to an efficient grinding diamond abrasive material and a preparation process thereof.The efficient grinding diamond abrasive material is prepared by coating diamond micro-powder for multiple times to prepare composite diamond micro-powder, then blending the composite diamond micro-powder with electrolytic copper powder, filler, a wetting agent and modified polyvinyl alcohol to obtain slurry, and conducting freezing-unfreezing gel forming to obtain the efficient grinding diamond abrasive material. The prepared diamond grinding material is good in water resistance and efficient in grinding; the preparation method comprises the following steps: depositing a tungsten coating on the surface of diamond micro-powder, then carrying out vacuum high-temperature treatment to obtain pretreated diamond micro-powder with a tungsten carbide layer growing in situ on the surface, generating a silicon oxide layer on the pretreated diamond micro-powder by using tetraethoxysilane, and then generating praseodymium-doped cerium oxide nanoparticles on the surface of the modified diamond micro-powder by using a homogeneous precipitation method; the preparation method comprises the following steps: carrying out chain extension treatment on a prepolymer generated by polytetrahydrofuran ether glycol and 4, 4 '-dicyclohexylmethane diisocyanate by using a silicon-containing chain extender to obtain a polyurethane prepolymer, and then modifying polyvinyl alcohol by using the polyurethane prepolymer and phenolic resin.
Owner:NANJING JINRUI LIFENG HARD MATERIAL TECH CO LTD

Raw material composition of bionic esters, D-phase gel, application and cosmetics

PendingCN120168356ACosmetic preparationsToilet preparationsPolyolIsostearyl alcohol
The invention discloses a raw material composition of bionic esters, D-phase gel, application and cosmetics. The biomimetic ester is prepared from the following raw material compositions: phytosterol isostearyl alcohol dimer linoleate, phytosterol / isostearyl alcohol / cetyl alcohol / stearyl alcohol / behenyl alcohol dimer linoleate, hydrogenated lecithin and polyhydric alcohol. The bionic ester raw material composition disclosed by the invention can be directly added into various cleaning products containing a surfactant, and the problems that the surfactant added into a washing-off cleaning product is easy to cause excessive skin degreasing, the washed skin is dry, and the skin feels tight can be solved by using a small addition amount; meanwhile, the cleaning power, the foam amount and the mildness of the cleaning product are not influenced. The D-phase gel formed by the raw material composition of the biomimetic esters prepared by the invention is arranged in a layered liquid crystal structure.
Owner:SHANGHAI HUIWEN BIO TECH

Fabricated wall cementing material prepared from multi-element solid waste and preparation method of fabricated wall cementing material

The invention relates to the technical field of building materials, in particular to a cementing material for a fabricated wall prepared from multi-element solid waste and a preparation method of the cementing material. The preparation method comprises the following steps: 25-55 parts of fly ash, 25-65 parts of blast furnace slag, 8-10 parts of lime, 1-5 parts of desulfurized gypsum, 3-6 parts of a first mixture, 2-5 parts of a second mixture and 5-8 parts of an alkali activator; the mass ratio of the metakaolin to the bentonite to the superfine calcium carbonate in the first mixture is 3: 2: 1; the mass ratio of the vermiculite to the expanded perlite to the glass beads in the second mixture is 2: 2: 1. Through the synergistic excitation effect of Ca < 2 + > and Na < + > and the addition of the first mixture and the second mixture, the cementing material forms a more stable microstructure. A hydration product SEM figure shows that C-S-H and C (N)-A-S-H gel are symbiotic to form a three-dimensional network, pores are filled with needle-like ettringite crystals, and in combination with the brucite phase anchoring effect, the mechanical properties, such as strength and durability, of the material are remarkably improved.
Owner:INNER MONGOLIA HUIFANG NEW BUILDING MATERIALS CO LTD +1

Aerogel heat insulation pipe shell and preparation method and application thereof

The invention relates to the related field of heat insulation composite material processing, in particular to an aerogel heat insulation pipe shell and a preparation method and application thereof, and the aerogel heat insulation pipe shell is composed of a fiber needled felt without a binder and silicon dioxide aerogel. The manufacturing method comprises the steps of fibrofelt cutting and pre-rolling, sol preparation, rotary dynamic gel forming, supercritical drying, two-end trimming and opening treatment, and the tubular prefabricated part which is accurate in size, convenient and fast to install and capable of replacing aerogel felt is mainly applied to various pipelines and cylindrical equipment needing heat insulation and insulation. Loss of on-site construction materials and consumption of auxiliary materials can be effectively reduced, the construction period is shortened, and the heat insulation engineering quality is improved.
Owner:JIANGSU HANXIN TIANCHENG NEW MATERIAL CO LTD +1

Gel composition for improving compatibility and gelling speed of tooth whitening product and preparation method

The invention discloses a gel composition for improving compatibility and gelling speed of a tooth whitening product. The gel composition comprises whitening gel and a catalyst, respectively filling the whitening glue and the catalyst into a double-barrel injector; when the tooth whitening gel is used, the push rod is pushed, the whitening gel and the catalyst in the double-tube barrel are squeezed out at the same time and mixed at the mixing head to form the tooth whitening gel capable of being smeared on the tooth surface of a patient, and the pH value of the tooth whitening gel is 7.5-10.0. The catalyst comprises potassium salt or strontium salt, sodium fluoride, glycerol, cross-linked polyacrylamide gels, strong alkaline substances, essence and water; the whitening gel comprises a hydrogen peroxide solution, a cross-linked polyacrylamide gel, glycerin, essence and water. The cross-linked polyacrylamide gel is adopted, the gel is resistant to strong-alkalinity and high-pH environment and various inorganic salt ions such as fluoride, sylvite or strontium salt, the prepared gel is stable in form and good in compatibility, the gel preparation process is simple, the gel is rapidly swelled when encountering water and does not huddle, and long-time standing is not needed.
Owner:HAOBAI (ZHEJIANG) MEDICAL EQUIP CO LTD

High-adhesion enzymatic hydrogel capable of promoting endometrial repair and preparation method of high-adhesion enzymatic hydrogel

The invention discloses a high-adhesion enzymatic hydrogel for promoting vascular intima repair and a preparation method of the high-adhesion enzymatic hydrogel, and belongs to the technical field of hydrogel preparation. The preparation method comprises the following steps: S1, carrying out double-bond modification on hyaluronic acid by utilizing methacrylic anhydride, and then cross-linking with dopamine to prepare dopamine modified double-bond hyaluronic acid; s2, deoxidizing the hyaluronic acid solution, adding a cross-linking agent and tyramine hydrochloride, and reacting in an acidic environment to prepare tyramine modified hyaluronic acid; s3, mixing the dopamine modified double-bond hyaluronic acid, the tyramine modified hyaluronic acid and deionized water to prepare a hydrogel precursor liquid; and S4, carrying out enzymatic reaction to obtain the hydrogel. The method designed by the invention is simple in process, no extra photocuring equipment needs to be added, and the constructed hydrogel is similar to an extracellular matrix. And the coating can be coated into different shapes to adapt to different environments. The gel is formed through enzymatic reaction, and the gel is rapid in gel forming, good in tissue adhesion, good in biocompatibility and suitable for being applied to vascular repair.
Owner:SOUTHWEST JIAOTONG UNIV

Composite hydrogel adsorbent as well as preparation method and application thereof

The invention discloses a composite hydrogel adsorbent and a preparation method and application thereof, and belongs to the technical field of wastewater treatment.The preparation method comprises the specific steps that S1, neutralized acrylic acid, acrylamide and a cross-linking agent are added into deionized water and stirred to be uniform, and a precursor solution is obtained; s2, adding alkali-activated fly ash into the precursor solution, uniformly mixing, sequentially adding alkali liquor and an initiator, and fully stirring for reaction to obtain a mixed solution; and S3, curing the obtained mixed solution in a mold, washing with water, and drying to obtain the composite hydrogel adsorbent. According to the invention, the reaction system is optimized, so that the super-fast polymerization curing of the hydrogel is realized; the prepared composite hydrogel has excellent mechanical property and metal ion adsorption property; the whole preparation process is simple to operate, high in gel forming speed, free of light / heat initiation, mild in condition and low in cost, and can be applied to adsorption of heavy metal ions in wastewater.
Owner:SHANXI COAL TRANSPORTATION & MARKETING GRP JINNENG COAL MINE ENG CO LTD

Polyethylene glycol derivative-collagen injectable cartilage repair gel as well as preparation method and application thereof

The invention provides a polyethylene glycol derivative-collagen cartilage repair gel which is characterized by being prepared from the following components in parts by weight: 8 to 12 parts of collagen (namely COL) solution, 0.5 to 2 parts of polydeoxyribonucleotide (namely PDRN), 4 to 8 parts of polyethylene glycol disuccinimide succinate (namely SS-PEG-SS) solution and 0.1 to 0.4 part of tannic acid (namely TA), and particularly discloses a preparation method and application of the polyethylene glycol derivative-collagen cartilage repair gel. In a word, the composite gel and the collagen are subjected to efficient amidation reaction through SS-PEG-SS to form a stable three-dimensional network, so that the structural support of the type I collagen, the tissue repair of PDRN and the anti-inflammatory and anti-oxidation characteristics of tannic acid are successfully integrated; therefore, the composite material has the comprehensive performance of good structural stability, high mechanical strength, good biocompatibility, controllable degradation period, excellent needle passing performance and the like, and shows the wide application prospects of clear repair effect, remarkable component synergistic effect, mature production process, outstanding cost effectiveness and the like.
Owner:BEIJING UNIV OF CHEM TECH

Method of implantation of a medical device into neural tissue

A method of providing a channel in nervous tissue filled with an aqueous gel for implantation of a microelectrode or other medical device lacking sufficient physical stability for direct implantation by insertion, comprises providing an apparatus comprising an oblong rigid pin covered by a dry gel forming agent; locating a target in the tissue; defining a straight insertion path a desired tissue insertion point and the target; aligning the pin with its end foremost with the insertion path; inserting the pin into the tissue to a position near or at the target; allowing sufficient time to pass for a gel to be formed around the pin, withdrawing the pin. Also disclosed is a corresponding channel; a method of implantation of a microelectrode or microprobe into nervous tissue via the channel; a corresponding method of implantation of living cells; a corresponding apparatus for forming the channel.
Owner:NEURONANO AB

Sodium hyaluronate gel regeneration filler for injection as well as preparation method and application of sodium hyaluronate gel regeneration filler

The invention belongs to the technical field of medical biological materials, and particularly relates to a sodium hyaluronate gel regeneration filler for injection and a preparation method and application thereof.The sodium hyaluronate gel serves as a carrier to disperse acellular matrix particles, the sodium hyaluronate gel forms a micron-sized porous structure in the cross-linking process through a microbubbling technology, and the sodium hyaluronate gel is prepared into the sodium hyaluronate gel regeneration filler for injection and the preparation method and application of the sodium hyaluronate gel regeneration filler. A local cross-linked network is strengthened by combining a secondary cross-linking process, high elastic modulus is realized while the content of sodium hyaluronate is reduced, so that the porous structure has excellent instant filling and shaping capability and controllable degradation behavior, the porous structure can promote permeation of hyaluronidase, the degradation period of the hyaluronidase is matched with the tissue regeneration process, and the tissue regeneration effect is improved. And the acellular matrix particles can continuously induce adhesion, migration, proliferation and differentiation of endogenous cells of tissues, synergistically promote in-situ tissue regeneration, effectively reduce repeated injection requirements and reduce long-term complication risks, and have a good application prospect in soft tissue filling and repairing.
Owner:SHANGHAI BAIYIYUAN BIOENGINEERING CO LTD

Temperature-sensitive contact lens eye moistening gel and preparation method thereof

The invention belongs to the technical field of contact lens care, and provides temperature-sensitive contact lens eye-moistening gel and a preparation method thereof. The temperature-sensitive contact lens eye-moistening gel is prepared from the following raw materials in parts by mass: a gel matrix, a surfactant, an osmotic pressure regulator, an active component, a chelating agent, a buffering agent and the balance of injection water, the composition of the gel matrix is defined. Chitosan, sodium hyaluronate and polyvinyl alcohol are compounded to serve as a gel matrix, a polyelectrolyte compound is formed, gelation time is shortened, gel strength and swelling resistance are improved, biocompatibility is improved, and drug-loaded delivery of active ingredients is achieved; the gel matrix and the surfactant are reasonably selected, the viscosity of the solution is increased, the gelation time is shortened, the excellent effect of relieving eye fatigue and dryness is achieved, the wearing comfort of the contact lens is remarkably improved, and the oxygen permeation effect of the contact lens is not obviously reduced after gel forming.
Owner:GANSU TIANHOU OPTICAL TECHNOLOGY CO LTD

Homogeneous gel composition for dermis filling, and preparation method therefor and use thereof

Disclosed in the present invention are a homogeneous gel composition for dermis filling, and a preparation method therefor and the use thereof. The homogeneous gel composition comprises: (Y1) second biocompatible solid particles; and (Y2) a gel material. The gel material comprises the following components: (Z1) first biocompatible solid particles; (Z2) hyaluronic acid; and (Z3) a cellulose-based polysaccharide polymer, wherein the gel material is in a solid powder or gel form. The homogeneous gel composition prepared in the present invention comprises high- and low-association-degree biocompatible solid particles, such that the biocompatible solid particles are gradually released in a matrix, and the biocompatible solid particles can stably exist in a composite system for a long time.
Owner:OSDERMA MEDICAL INC

Novel rotating wheel with dual functions of deodorization and dehumidification and preparation method of novel rotating wheel

The invention discloses a novel rotating wheel with dual functions of deodorization and dehumidification. The novel rotating wheel comprises a honeycomb base body formed by overlapping and rolling glass fiber paper corrugated sheets and flat sheets, a silica gel main framework layer covering hole walls, and a deodorization function layer fixed on the surface of the silica gel main framework layer. The silica gel main framework is prepared from water glass through carbon dioxide pressurization gel forming, acid aging, graded drying and calcination, and is uniform in structure and high in strength. The deodorization function layer is composed of modified silicon dioxide particles and a rare earth or transition metal complexing stable center, and a stable chemical bonding interface is formed. The rotating wheel has efficient dehumidification and peculiar smell adsorption capacities, and is small in airflow resistance and good in circulation stability.
Owner:HANGZHOU PURUI DEHUMIDIFICATION EQUIP CO LTD

Anti-swelling hydrogel capable of quickly gelling and preparation method of anti-swelling hydrogel

PendingCN120248527APolymer scienceMeth-
The invention relates to the field of anti-swelling hydrogel materials, and discloses a preparation method of anti-swelling hydrogel capable of rapidly gelling. Polyallylamine hydrochloride and acrylate are used as raw materials, persulfate is used as an initiator, N, N '-methylenebisacrylamide is used as a cross-linking agent, preparation of a polymer is realized by adopting a free radical polymerization method, construction of an elastic network is realized by utilizing electrostatic interaction and chemical cross-linking, and the dosage of the raw materials is optimized. Finally, the anti-swelling hydrogel capable of rapidly gelling is prepared, the gel forming speed is high, and water molecules are difficult to permeate into a network due to the compactness of the cross-linked network, so that the volume change of the hydrogel after water absorption is reduced, and the gel has anti-swelling performance.
Owner:CHANGZHOU UNIV

Artificial nail tip and curing composition set and applying method thereof

A nail tip curing composition includes an Extend Gel, an edge-off flat brush, a nail filing device, a plurality of GEL-X tips, a pH Bonder, and a Non-Acidic Gel Primer. The pH Bonder forms a pH Bonder layer on a surface of a fingernail. The Non-Acidic Gel Primer forms a Non-Acidic Gel Prime layer overlapped on the pH Bonder layer. The Extend Gel forms an Extend Gel layer overlapped on the Non-Acidic Gel Prime layer. The GEL-X tip is filed by the nail filing device and the Extend Gel is applied on an underside contact surface of the Gel-X tip by the edge-off flat brush. The underside contact surface of the Gel-X tip is contacted with the Extend Gel layer on the fingernail in such a manner that the Gel-X tip is firmly affixed on the fingernail.
Owner:APPLIED LACQUER IND INC

Methane dry reforming catalyst and preparation method thereof

The invention discloses a methane dry reforming catalyst and a preparation method thereof, and belongs to the technical field of catalysts.The catalyst is composed of 480 parts to 600 parts of Fe2O3, 60 parts to 75 parts of NiO, 1020 parts to 1530 parts of Al2O3, 16.2 parts to 82.5 parts of La2O3 and 9 parts to 18 parts of Gd2O3, and the catalyst is of an integral aerogel structure with a honeycomb-shaped or latticed macroscopic morphology; the preparation method comprises the following steps: S1, preparing a precursor solution; s2, adding a gel accelerant; s3, carrying out integral gel forming; s4, aging the wet gel; s5, solvent replacement; s6, performing supercritical drying; s7, calcining; according to the invention, active site design, a structure stabilization strategy and material form innovation are closely combined, and the prepared monolithic aerogel oxygen carrier not only shows a high CH4 / CO2 conversion rate and an ideal H2 / CO ratio, but also has excellent cycle stability and extremely low bed pressure drop; the core problems that in the prior art, the activation capacity and the carbon removal capacity are not matched, the high-temperature cycling stability is poor, and the engineering applicability of a powder material is limited are effectively solved.
Owner:LANZHOU RESOURCES & ENVIRONMENT VOC TECH COLLEGE

Preparation method of temperature-resistant and salt-resistant nano-micro jelly

ActiveCN120888092ACross linkerPolyacrylamide
The invention provides a preparation method of a temperature-resistant and salt-resistant nano-micro jelly, and belongs to the technical field of nano-micro jellys.The preparation method comprises the steps that a jelly composition containing polyacrylamide and a phenolic resin cross-linking agent is prepared, a cross-linking reaction is conducted to form a jelly body by predicting the optimal gel forming condition through a thermal stability analysis model, and the jelly body is subjected to temperature-resistant and salt-resistant nano-micro jelly; a shear parameter game optimization model is used for guiding mechanical shear strategy selection, accurate shear parameters are calculated through a shear stress transfer equation, granulation stability treatment is carried out to obtain nano-micro jelly particles, and temperature resistance and salt tolerance testing is carried out in a high-temperature and high-salt environment. The stability is evaluated by using the particle coalescence stability matrix, and the performance evaluation and optimization are performed through the temperature-resistant and salt-resistant evaluation coefficient, so that the product quality control is finally completed, the long-term stability of the particles under extreme conditions is ensured, and the technical problem that the stability of the nano / micro-scale gel particles is difficult to control in a high-temperature and high-salt environment is solved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +2

Polyacrylamide copolymer and preparation method thereof, profile control and flooding movable gel and application

The present application relates to the field of profile control and water plugging in oilfield water injection development, and discloses a polyacrylamide copolymer, a preparation method thereof, a profile control and flooding movable gel and application. The polyacrylamide copolymer contains a structural unit shown in formula (1), a structural unit shown in formula (2) and a structural unit shown in formula (3); wherein R is C4-C10 alkyl, n is an integer of 6-15, and M is a metal element; the profile control and flooding movable gel formed by the acrylamide copolymer can enter the deep part of an oil reservoir, has a relatively high viscosity under high-temperature and high-salt conditions, can reduce the oil-water surface interfacial tension, is suitable for being used as a profile control and flooding agent and a profile control and plugging agent in a high-permeability oil reservoir (permeability is higher than 2000 mD), has a relatively high plugging rate and has good emulsifying performance.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A method and system for detecting fatigue damage of precision hardware

PendingCN122651803ACapacitanceFatigue damage
The application discloses a precision hardware fatigue damage detection method and system, and relates to the field of precision mechanical detection.The method comprises the following steps: coupling a flexible impedance sensing array with a precision hardware to be detected; the array substrate is made of polydimethylsiloxane, and the surface array groove is filled with a conductive hydrophilic composite gel formed by in-situ polymerization of acrylamide monomer, sodium alginate and nanometer carbon fibers, thereby forming a plurality of miniaturized impedance units; a constant pressure is applied through a pressure feedback control system, so that the gel produces elastic deformation to cover and compensate the micron-level roughness of the surface of the detection area; a micro-amplitude sinusoidal voltage excitation is applied, current response data in the swept frequency band is collected, complex impedance information is extracted and fitted to a randall equivalent circuit model, and charge transfer resistance and interface capacitance values are obtained; and the parameter deviation degree is calculated according to the charge transfer resistance of the current detection period and historical reference, so as to determine the fatigue damage condition of the local area.
Owner:SUZHOU JIA XU PRECISION HARDWARE CO LTD

Polyacrylamide polymers, processes for their preparation, mobile gels and uses

The present application relates to the field of profile control and water plugging in oilfield water injection development, and particularly relates to an acrylamide polymer, a preparation method and application thereof. The polymer contains structural unit A, structural unit B and structural unit C, wherein the structural unit A has a structure shown in formula (1), the structural unit B has a structure shown in formula (2), and the structural unit C has a structure shown in formula (3); wherein R is C5-C12 alkyl, and n is an integer of 8-12. The movable gel formed by the acrylamide polymer has high viscosity under high temperature and high salt conditions, can enter the deep part of the oil reservoir, and can reduce the oil-water surface interfacial tension, has good emulsifying performance, is suitable for being used as a profile control and displacement agent and a profile control and plugging agent in a high-permeability oil reservoir (permeability is higher than 2000 mD), and has high plugging rate.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

cleansers

Disclosed are cleanser formulations in a gel form including a fatty acid salt as the primary cleansing agent. The cleanser formulations have a pH ranging from 6-11. The cleanser gels can contain at least 90 weight percent of natural or naturally derived ingredients.
Owner:DR SQUATCH LLC

Potato protein with good emulsibility, gelling property and foamability

The invention discloses a potato protein with good emulsibility, gelling property and foamability, and belongs to the fields of biology and genetic engineering. According to the invention, the designed potato protein realizes recombinant expression in pichia pastoris, and it is verified that the recombinant expressed protein can form a secondary structure and can form hydrogel at a concentration of 60 g / L. The invention also provides an application of the prepared potato protein as a food additive, shows emulsifying and gelling capabilities superior to those of commercial potato protein, and has huge value and potential in the fields of food and tissue engineering.
Owner:JIANGNAN UNIV

Silk protein-based composite, vehicle seat and associated manufacturing method

Silk protein-based composite, vehicle seat, and associated manufacturing method. The present invention relates to a composite complex (10) comprising at least one substrate layer (20) and at least one coating layer (30) applied to the substrate layer (20), the substrate layer (20) being a fabric. The coating layer (30) is a gel formed from silk proteins, the silk proteins being obtained by fermentation of at least one microorganism in a liquid medium. Figure for the abstract: Figure 1
Owner:FAURECIA SIEGES D AUTOMOBILE SA

A deep-fermented aquatic product and preparation method thereof

The present invention discloses a deeply fermented aquatic product and a preparation method thereof, and belongs to the technical field of aquatic product processing. The preparation method of the deeply fermented aquatic product comprises the following steps: S1 minced meat molding: processing the aquatic product into minced meat; uniformly mixing salt, starch, water, pH regulator, and minced meat, wherein the mass ratio of the minced meat to the salt is 100:2.5; adding to a molding device; heating to gel formation, cooling, and cutting into meat particles; S2 meat particle sterilization: sterilizing the meat particles at high temperature, and then cooling to room temperature; S3 fungus inoculation: uniformly mixing a fermentation agent containing Monascus and Mucor with the meat particles; S4 solid-state pre-fermentation: placing the meat particles inoculated with fungi in a semi-sealed environment for fermentation; S5 anaerobic post-fermentation: mixing the meat particles that have completed fermentation with a post-fermentation medium, sealing, and continuing to ferment. The deeply fermented aquatic product provided by the present invention has the characteristics of low salt and low alcohol and has better nutritional content, taste and flavor.
Owner:ZHEJIANG UNIV OF TECH

Oral in-situ gel as well as preparation method and application thereof

The invention relates to the technical field of pharmaceutical preparations, in particular to oral in-situ gel and a preparation method and application thereof.The in-situ gel is prepared from, by weight, 0.09-2.5 parts of American cockroach extract, 0.3-3 parts of gel matrix, 86.7-99.4 parts of water and a pH regulator, the in-situ gel is formed by a periplaneta americana extract, a gel matrix and water according to a specific ratio in the presence of a pH regulator, the gel is a clear pale yellow to yellow solution at room temperature, the gel is formed in gastric juice after oral administration as a solution, the gel can be retained in the stomach, more importantly, the burst release of the medicine can be remarkably reduced, and the curative effect of the medicine is improved. The medicine dissolution is improved, and the medicine is ensured to be continuously and slowly released to play a role in treating the peptic ulcer.
Owner:SHANXI MEDICAL UNIV

A cementing material for preparing a multi-element solid waste assembled wall and a preparation method thereof

The application relates to the technical field of building materials, in particular to a cementing material for preparing an assembled wall body from multiple solid wastes and a preparation method; the cementing material is prepared from 25-55 parts of fly ash, 25-65 parts of blast furnace slag, 8-10 parts of lime, 1-5 parts of desulfurization gypsum, 3-6 parts of a first mixture, 2-5 parts of a second mixture and 5-8 parts of an alkali activator; the mass ratio of metakaolin, bentonite and superfine calcium carbonate in the first mixture is 3:2:1; the mass ratio of vermiculite, expanded perlite and glass beads in the second mixture is 2:2:1. The cementing material has a more stable microstructure through the synergistic activation of Ca and Na, and the addition of the first mixture and the second mixture. 2+ and Na + The C-S-H and C(N)-A-S-H gels form a three-dimensional network, needle-shaped ettringite crystals fill pores, and the anchoring effect of brucite phase is combined, so that the mechanical properties, such as strength and durability, of the material are significantly improved.
Owner:INNER MONGOLIA HUIFANG NEW BUILDING MATERIALS CO LTD +1