99results about How to "Improved rheological properties" patented technology

The invention provides an easy-to-swallow nutrition-enriched plant-based protein food and a preparation method thereof, the plant-based protein food comprises a mixed protein solution and edible oil, and the mixed protein solution comprises walnut protein, soybean protein isolate, alfalfa protein and egg white protein. The preparation method of the plant-based protein food comprises the following steps: preparing a high-protein emulsion from a mixed protein solution and edible oil and fat, preparing emulsion gel from the high-protein emulsion, and performing 3D printing by adopting the emulsion gel. According to the easy-to-swallow type nutrition-enriched plant-based protein food disclosed by the invention, four proteins are compounded, the nutritional value of the food is improved through the synergistic effect, the protein content is increased, amino acid compounding is realized, and meanwhile, the rheological property and extrusion property of 3D printing after protein compounding are improved, so that the printed food can be suitable for 3D printing and also can be used for 3D printing. The food can also be applied to old people with dysphagia, and meets the requirements of daily nutrition intake and easy swallowing.

The invention belongs to the field of electrode paste preparation, and provides low-temperature curing silver-coated copper paste for a heterojunction solar cell and a preparation method of the low-temperature curing silver-coated copper paste. Ethyl cellulose is adopted as a matrix material, a stable matrix network is provided for slurry through good cohesiveness and dispersity of ethyl cellulose, and a network structure with a high crosslinking degree is formed by adding modified phenolic resin, organic silicon modified epoxy acrylate and other chemical modification materials into the slurry. The mechanical strength and adhesive force of the slurry are further enhanced, surface modification is carried out on inorganic filler such as silver-coated copper powder and bismuth oxide through a silane coupling agent and a titanate coupling agent, and the interface bonding force between the filler and an organic matrix is enhanced through silicon-oxygen bonds formed on the surface of the filler; by adding the carboxylated polyamide wax and the organic bentonite, the agglomeration tendency of the filler is reduced by utilizing the adsorption and electrostatic repulsion effects of the carboxylated polyamide wax and the organic bentonite on filler particles, and the obtained conductive slurry has the characteristics of excellent conductivity and low-temperature rapid curing.

The invention discloses a low-carbon high-compactness shotcrete elasticity reducing agent and a preparation method and application thereof, and relates to the field of building material concrete admixtures, the elasticity reducing agent comprises the following components by mass: 53-73% of a rheological component, 15-25% of a tackifying component, 10-18% of an early strength component, and 0.5-4% of a setting adjusting component; the rheological component comprises manganese slag powder and silica fume, and the tackifying component is tailing powder loaded with nano modified cellulose ether. The viscosity of sprayed concrete is increased through the tackifying component, the slurry wrapping property of the concrete is improved, the yield stress of the concrete is improved through the rheological component, and the early strength component is combined to synergistically improve the wall-adhering and quick-hardening properties after the material is sprayed, so that the rebound rate is reduced; the nano-particles loaded on the organic matter are hydrated in pores, harmful pores are directionally filled, the compactness and strength of the sprayed concrete are effectively improved, and low-carbon, low-resilience and high-compactness of the sprayed concrete are achieved.

The invention relates to a betaine type double-tailed hydrophobic association polymer fracturing thickening agent and a preparation method thereof. The thickening agent is prepared by the following steps: copolymerizing four monomers, namely acrylamide, 2-allyl methylamino sodium ethanesulfonate, methyl diallyl hydroxypropyl sulfobetaine and double-tailed long-chain alkyl allyl sulfoethyl betaine to form gel, chopping, hydrolyzing, neutralizing and purifying. The preparation method comprises the following steps: firstly adding distilled water, adding acrylamide, 2-allylmethylamino sodium ethanesulfonate, methyldiallyl hydroxypropyl sulfobetaine and other remaining raw materials, adjusting the total concentration, introducing N2 to remove oxygen, adding an initiator, reacting to prepare gel, chopping the gel, and hydrolyzing to obtain the water-soluble polymer. The fracturing thickening agent has good water solubility and shows good salt resistance in mixed saline water with the mineralization degree larger than or equal to 30000 mg / L, a prepared linear solution and jelly formed after crosslinking have high viscosity retention capacity at the temperature of 150 DEG C and the shearing rate of 170 s <-1 >, and the actual construction requirement for fracturing yield increase with the on-site mineralization degree larger than or equal to 30000 mg / L is met.

The invention relates to a double-tailed hydrophobic associated polymer oil-displacing agent with a benzene ring structure and a preparation method thereof. The oil-displacing agent is formed by copolymerizing three monomers, namely acrylamide, 2-allyl methylamino sodium ethanesulfonate and a hydrophobic monomer double-tailed long-chain alkyl methyl (p-3-carboxyl acrylamide benzyl) ammonium chloride with the benzene ring structure. The preparation method comprises the following steps: firstly adding distilled water, then adding acrylamide, 2-allyl methylamino sodium ethanesulfonate and a hydrophobic monomer double-tailed long-chain alkyl methyl (p-3-carboxyl acrylamide benzyl) ammonium chloride with a benzene ring structure, supplementing water, adjusting the total concentration, introducing N2 to remove oxygen, adding an initiator, and reacting at a certain temperature to prepare the terpolymer. The prepared polymer oil-displacing agent has good water solubility, temperature resistance and shearing resistance, shows good salt resistance in saline water with the mineralization degree larger than or equal to 30000 mg / L and shows a good oil-displacing effect in a heterogeneous core oil-displacing experiment, and the crude oil recovery rate can be increased by 10% or above.

The invention provides positive conductive paste, a positive plate and a lithium ion battery. The positive electrode conductive paste comprises a solid and a solvent, and the positive electrode conductive paste comprises the following components in percentage by mass of the solid: 0.02%-0.05% of a single-walled carbon nanotube, 0.3%-0.7% of a carbon black conductive agent, 0.1%-0.5% of a softening agent, 0.1%-0.5% of a dispersing and anti-cracking integrated auxiliary agent, 96%-98% of a positive electrode active material and 1%-2.25% of a binder. By adding the single-walled carbon nanotubes, the conductivity and mechanical properties of the positive electrode conductive paste are improved. And the softening agent improves the rheological property of the positive electrode conductive paste and enhances the flexibility of the pole piece at the same time. And the dispersing and anti-cracking integrated auxiliary agent effectively disperses positive electrode active material particles and prevents coating and baking cracking. The high solid content achieved under the cooperative work of the three is beneficial to solving the problems of brittle failure, low coating rate, easy cracking of the pole piece and the like of the thick pole piece.

The invention discloses a tundish cover castable, and relates to the technical field of tundish refractory materials. The tundish cover castable is prepared from the following raw material components in percentage by mass: 7.8 to 9.6 percent of alumina of 8 to 5mm, 2.6 to 4.3 percent of alumina of 5 to 3mm, 2.6 to 4.3 percent of alumina of 1 to 0mm, 17.4 to 20.8 percent of alumina of 200 meshes, 9.6 to 13 percent of mullite of 5 to 3mm, 22.6 to 26 percent of mullite of 3 to 1mm, 9.6 to 13 percent of mullite of 1 to 0mm, 7 to 8.7 percent of mullite of 200 meshes, 2.6 to 3.5 percent of composite binding agent, 0.8 to 1.7 percent of aluminum silicate, 0.05 to 0.07 percent of SiC nanowire, 0.2 to 0.3 percent of aluminum titanate and the balance of water. The invention discloses a tundish cover castable which comprises the following components in percentage by weight: 0.4-0.7% of alumina micro powder, 0.08-0.11% of sodium tripolyphosphate, 2.6-3.5% of silica fume, 0.87% of steel fiber and 1.3-1.7% of high-alumina cement. Compared with a traditional process, the tundish cover castable has the advantages that the overall performance of the tundish cover castable is remarkably improved, the breaking strength and compression strength of the castable are effectively enhanced, the service life is remarkably prolonged, and the production cost is reduced. And the production cost is greatly saved, and the economical efficiency and the operation rate of continuous casting operation are improved.

The invention provides a high internal phase emulsion as well as preparation and application thereof. The preparation method comprises the following steps: firstly, carrying out hydration, uniform mixing and enzymolysis on walnut protein and protein A, then uniformly mixing a double-protein zymolyte with naringenin dispersed in a dispersing agent, carrying out ultrasonic treatment, adding into water, finally uniformly mixing with coconut oil, and homogenizing to obtain the high internal phase emulsion. According to the present invention, the specific oil-water interface stabilizer naringenin is added to the double-protein zymolyte system, such that the walnut protein can maintain the good solubility and the good emulsifying property even in the pH 5-7 environment so as to significantly improve the physical stability of the high internal phase emulsion, and the daily chemical product prepared from the high internal phase emulsion has the good moisturizing effect, the application of the walnut protein in the field of daily chemical products is widened.

The invention provides a soothing and repairing composition for dry and sensitive skin as well as a preparation method and application of the soothing and repairing composition, and belongs to the technical field of cosmetics. The soothing and repairing composition is of a liposome structure, cephalin and ceramide-EOP form a cephalin-ceramide complex and serve as a shell layer of the liposome, and plant ecdysone and inositol choline glycerophosphate are wrapped in the liposome; the soothing and repairing composition with the liposome structure has excellent moisturizing, soothing and repairing effects.

The invention relates to the technical field of lithium ion battery materials, in particular to a coated lithium cobalt oxide positive electrode material and a positive electrode plate prepared from the coated lithium cobalt oxide positive electrode material. A binder with dynamic reversible bonds such as a hydrogen bond and a disulfide bond is synthesized through free radical polymerization among acrylamide, acrylic acid and a double-bond-terminated disulfide bond-containing compound; the preparation method comprises the following steps: doping lithium cobalt oxide with Mg, coating the surface of the lithium cobalt oxide with a conductive polymer polypyrrole, and coating the surface of the lithium cobalt oxide with an organic porous polymer prepared from a quaternary connector 5, 10, 15, 20-tetra (4-aminophenyl) porphyrin and pyromellitic dianhydride by using a large pi bond of the polypyrrole; the conductive agent is modified, (3-mercaptopropyl) trimethoxysilane is firstly used for sulfhydrylation, then sulfydryl-double bond light click is utilized, and a double-bond end-capped disulfide bond-containing compound with a reversible bond is grafted, so that the stability and the safety of the battery performance are improved.

The invention relates to a method for removing trace toxic polycyclic aromatic hydrocarbon in coal-based residues, which comprises the following steps of: crushing the residues to obtain residues before modification, and grinding and uniformly mixing the residues before modification and a modifier to obtain mixed powder; adding the mixed powder, a catalyst and a system solvent into a reactor, and carrying out a chemical reaction for removing toxic polycyclic aromatic hydrocarbon; a reaction product is collected and recycled through rotary evaporation, modified residues are obtained after solids are dried and ground, and the solvent is recycled; according to the method, the content of the toxic polycyclic aromatic hydrocarbon in the coal-based residues is reduced to the greatest extent by preferably selecting the multifunctional composite modifier and establishing an efficient removal method of the polycyclic aromatic hydrocarbon, and indexes such as the softening point, the needle penetration and the solubility in the residues are improved; the content of trace toxic polycyclic aromatic hydrocarbon in the coal-based residues can be reduced, the rheological property and stability of the residues are improved, and the pavement standard of road asphalt is met.

The invention discloses a high-toughness flame-retardant PA66 composite material for a connector and a preparation method of the high-toughness flame-retardant PA66 composite material. The preparation method comprises the following steps: uniformly mixing the first elastomer, the second elastomer, maleic anhydride powder, the initiator and the antioxidant to obtain a first composition; uniformly mixing BPS powder, organic silicon resin, stearate and a flame-retardant synergist to obtain a second composition; the first composition is put into an internal mixer for internal mixing, then the second composition is put into the internal mixer in batches for continuous internal mixing, and finally the obtained internal mixing product is fed into a screw extruder for extrusion and granulation to obtain BPS / organic silicon flame retardant master batch; uniformly mixing the PA66, the BPS / organic silicon flame retardant master batch, the lubricant and the antioxidant, then feeding the mixture into a double-screw extruder, and performing extrusion and granulation to obtain the high-toughness flame-retardant PA66 composite material. According to the invention, the flame retardant property of the PA66 composite material is improved, and the addition amount of BPS in a flame retardant system is effectively reduced.

The invention provides an anti-HPV (human papillomavirus) temperature-sensitive gel as well as a preparation method and application thereof. The invention provides the anti-HPV temperature-sensitive gel as well as the preparation method and application thereof. The gel consists of a natural active extract, a temperature-sensitive polymer, a cross-linking agent and a stabilizer, wherein the natural active extract comprises a mixture of a sophora flavescens extract, an artemisia annua extract and a mushroom extract in a specific mass ratio. These extracts are obtained by specific extraction processes to ensure their antiviral activity. The thermo-sensitive polymer is a mixture of poly (N-isopropylacrylamide) and hydroxypropyl methyl cellulose, and the cross-linking agent and the stabilizer are used for enhancing the performance of the gel. The preparation method of the gel comprises the following steps: preparing a natural active extract emulsion, preparing a wall material solution, emulsifying and microencapsulating, so as to finally form the gel with temperature sensitivity. The gel has specific rheological properties at body temperature, can be used for treating HPV infection, and provides a new local treatment method.

The invention discloses a preparation method of a surimi-based material suitable for high-temperature microwave 3D printing, and belongs to the technical field of surimi processing technologies. The preparation method comprises the following steps: firstly, dispersing thermally reversible gelatin and kappa-carrageenan in water, and then adding the mixture into minced fillet for chopping and mixing. The surimi product obtained through microwave 3D printing has good instant curing property and excellent forming capacity, and deformation of the product obtained through microwave 3D printing is reduced to a great extent. According to the preparation method of the microwave 3D printing material, compared with a traditional printing material, microwave 3D printing of slurry at the temperature of 80 DEG C is achieved, and the problems that TG enzyme depends on and printable microwave power is limited in the original microwave 3D printing process are solved.

The invention discloses a skin care product with excellent rheological property and skin feeling and a preparation method thereof, and the skin care product comprises the following components in percentage by weight: 6.5-25% of grease, 7.45-30% of a humectant, 1.2-15% of a softening and moistening agent, 1.2-15% of an emulsifier, 0.2-8% of a thickening agent and the balance of water. The weight percentage of the functional components is 0.1-25%, and the balance is water. According to the skin care product with excellent rheological property and skin feeling and the preparation method of the skin care product, the problems of single rheological property, poor skin feeling and the like generally existing in skin care products in the current market can be solved. According to the skin care product disclosed by the invention, the viscosity and the fluidity can be accurately regulated and controlled within a wide temperature range, and the rheological property and the skin feeling experience of the product are remarkably improved.

The present application discloses a low-precipitation environmentally friendly WPC wood-plastic floor lubricating material and a preparation method thereof. On the one hand, the present application provides a low-precipitation environmentally friendly WPC wood-plastic floor lubricating material, and the mass proportion of each raw material component of the lubricant includes: 20 to 28 parts of methyl methacrylate grafted polypropylene wax, 32 to 40 parts of MBS resin powder, 8 to 16 parts of chlorinated paraffin, 16 to 22 parts of TPP tritolyl phosphate, 4 to 10 parts of zinc borate, and 2 to 8 parts of silicone powder. On the other hand, the present application provides a preparation method for the above-mentioned low-precipitation environmentally friendly WPC wood-plastic floor lubricating material. The present application effectively improves the compatibility between wood components and polyvinyl chloride without any precipitation, and can comprehensively improve the various properties and flame retardant properties of PVC-based wood-plastic composite panels.

The invention discloses high-compactness low-resilience shotcrete and a preparation method thereof, and relates to the field of shotcrete, the preparation method comprises the following steps: (1) respectively stacking a cementing material, a fine aggregate and a coarse aggregate by adopting an MAA model to obtain a design ratio of each internal raw material; and (2) fully mixing the cementing material, the fine aggregate, the coarse aggregate and the elasticity reducing agent which are obtained according to the design ratio in the step (1), adding water and a water reducing agent for mixing, and doping an accelerator in a manner of mixing with pressurized air to obtain the high-compactness low-resilience sprayed concrete. The early-strength elasticity reducing agent is adopted, pumpability of the sprayed concrete is improved, early hydration of the concrete is accelerated, under the combined action of the early-strength elasticity reducing agent and the alkali-free accelerator, the early mechanical property of the sprayed concrete is rapidly improved, and the construction efficiency of the sprayed concrete is improved. And by adopting multi-section close packing, close filling structures are respectively formed in the cementing material, the fine aggregate and the coarse aggregate, so that the plastic viscosity of the slurry and the compactness of the concrete are effectively improved.

The invention relates to a microbial exopolysaccharide for reducing soil porosity, a preparation method and application. The preparation method comprises the following steps: (1) inoculating microorganisms into a culture medium A, and culturing to obtain a seed solution; inoculating the seed solution into a culture medium B, culturing to obtain fermentation liquor, centrifuging to obtain fermentation liquor supernate, and performing rotary evaporation concentration to obtain concentrated liquor; (2) mixing the concentrated solution with ethanol, and centrifuging to obtain a polysaccharide precipitate; adding water into the polysaccharide precipitate, stirring and dissolving, dialyzing, and carrying out vacuum freeze drying to obtain crude polysaccharide; and (3) preparing the crude polysaccharide into a crude polysaccharide solution, then performing chromatographic separation, gradient elution and vacuum freeze drying, dialyzing, and then performing freeze drying to obtain the microbial exopolysaccharide. The microbial exopolysaccharide is good in rheological property, high in viscosity, simple to prepare, capable of being produced on a large scale, capable of effectively reducing the porosity of media such as soil and quartz sand and capable of being applied to the field of environmental remediation.

The invention discloses an oil dispersant for ships, and belongs to the technical field of oil for ships. The oil dispersant for the ship comprises the following components in parts by weight: 15-20 parts of a solvent, 10-20 parts of a composite surfactant solution, 10-15 parts of high-dispersion modified soil, 2-8 parts of vegetable oil, 1-5 parts of tert-butylhydroquinone, 1-2 parts of a yeast extract, 1-2 parts of a colloidal substance, 1-2 parts of sodium benzoate and 1-3 parts of a pH regulator, the composite surfactant solution is obtained by graft modification of a modified polymer, a chemical surfactant and a bio-based surfactant; the high-dispersion modified soil is obtained by modifying bentonite, montmorillonite and magnesium silicate clay. The prepared oil dispersant for the ship not only has efficient dispersion performance and good stability, but also improves the use efficiency and environmental protection performance of the oil for the ship.

The invention relates to the technical field of energy, and discloses a multifunctional coal water slurry additive as well as a preparation method and application thereof. The preparation of the basic additive comprises the step of carrying out heating reaction on biphenyl diamine and suberic anhydride in a DMF (Dimethyl Formamide) solution to obtain a reaction product. Subsequently, the reaction product is cooled to room temperature and carboxymethyl chloride is added to introduce hydrophilic groups. And after the reaction is completed, neutralizing the system to be neutral, washing with deionized water, filtering and drying to obtain a solid product, namely the basic coal water slurry additive. The basic coal water slurry additive is further subjected to multi-stage improvement, and the functionality of the basic coal water slurry additive is gradually enhanced. The improvements not only improve the dispersibility, rheological property and stability of the coal water slurry, but also enhance the performance of the coal water slurry under extreme conditions of high temperature, long-term storage and the like. Compared with the prior art, the invention provides a coal water slurry additive scheme which is more efficient, more stable and better in cost effectiveness, and the coal water slurry additive has a wide application prospect.

The invention discloses a preparation method and application of gel bio-ink for 3D printing of a small-diameter artificial blood vessel. The preparation method comprises the following steps: providing methylacryloylated recombinant collagen; providing methacrylated hyaluronic acid; the gel bio-ink for preparing the 3D printing small-diameter artificial blood vessel is obtained by taking methylacryloylated recombinant collagen and methylacryloylated hyaluronic acid as raw materials. The gel bio-ink has a strong photocuring characteristic and has a shear thinning characteristic required by bio-printing, an artificial blood vessel stent with the diameter of 6 mm and the height of 1 cm can be successfully prepared through a photocuring 3D printing technology, and the artificial blood vessel stent meets the size requirement of small-diameter blood vessels. An intravascular stent printed by using the gel bio-ink has the advantages of good blood compatibility, effective promotion of rapid endothelialization of the stent, prevention of vascular restenosis and the like, is a potential candidate of a small-caliber blood vessel substitute in the future, and has a wide application prospect in the artificial blood vessel market.

This invention discloses a black-based blue-spotted glaze with an earthworm-like pattern and its preparation method. The glaze consists of a body, a black base glaze, and a blue-spotted glaze from the inside out. The raw materials for the black base glaze are: feldspar, calcite, calcium borate, dolomite, talc, barium carbonate, quartz, bentonite, zirconium silicate, rutile, cobalt oxide, manganese oxide, and iron oxide. The raw materials for the blue-spotted glaze are: feldspar, limestone, alumina, talc, barium sulfate, Datong clay, zinc oxide, quartz, and titanium dioxide. The preparation method includes: 1. Wet ball milling the black base glaze raw materials to obtain a black base glaze slurry; 2. Wet ball milling the blue-spotted glaze raw materials to obtain a blue-spotted glaze slurry; 3. Bisque firing the body; 4. Applying the black base glaze slurry to the body and drying it; 5. Applying the blue-spotted glaze slurry to the body and drying it; 6. Oxidation firing and reduction firing of the body, followed by natural cooling to obtain the black-based blue-spotted glaze. The raw material formula of this invention is reasonable and environmentally friendly, which can improve the mechanical properties of the glaze; the preparation method is simple and the yield is high.

The invention relates to a preparation method of a graphene macroscopic body with a multi-scale structure, which comprises the following steps: (1) preparing a few stripped lamellar graphene oxide by adopting a chemical oxidation method to obtain a graphene oxide aqueous dispersion; (2) adding a surfactant into the graphene oxide aqueous dispersion obtained in the step (1), and stirring to obtain a bubble group filled graphene oxide slurry, namely a printing foaming slurry; (3) filling the foaming slurry obtained in the step (2) into an injector for direct writing and printing to obtain a three-dimensional macroscopic body with a specific shape; and (4) carrying out drying molding and reduction treatment on the three-dimensional macroscopic body obtained in the step (3) to obtain the graphene macroscopic body with the multi-scale structure. The graphene macroscopic body with the multi-scale structure prepared by the invention has the advantages of individualized customization, ultra-low density, super-strong elasticity and excellent electromagnetic shielding performance, and is an electromagnetic shielding material with good application prospects.

The invention relates to the technical field of cosmetic preparations, and discloses a composition containing succinyl glycan and application of the composition to regulation and control of the repetition distance of a liquid crystal lamellar phase, the composition comprises a liquid crystal component and an effective amount of succinyl glycan, wherein the stratified phase repetition distance of liquid crystals in the composition can be effectively adjusted by adding the succinyl glycan, and the thermal stability of the composition is improved; small-angle X-ray scattering (SAXS) proves that the addition of the succinyl glycan enables the repetition distance of the lamellar phase of the liquid crystal to generate a measurable change of 6.2% to 19.4%; the invention provides a novel method for accurately regulating and controlling the liquid crystal structure of the cosmetic from the nanoscale, and the obtained composition has better stability, moisture retention and skin feeling in use.

This invention belongs to the field of engines, specifically relating to a fuel supply structure and a solid-liquid hybrid rocket engine, including an oxygen-enriched propellant supply mechanism and a gel fuel supply mechanism. The oxygen-enriched propellant supply mechanism includes a coating column, which includes a coating sleeve with an opening facing the combustion chamber, and the coating sleeve is used to hold the oxygen-enriched propellant. The gel fuel supply mechanism includes a gel fuel supply device, an annular channel, and an atomizer arranged sequentially. The annular channel is arranged around the outer edge of the coating sleeve, with its downstream end protruding downstream of the coating sleeve. The atomizer is located at the end of the annular channel protruding downstream of the coating sleeve, and the annular channel and the coating sleeve together seal the upstream end of the combustion chamber. This invention's engine adopts a novel combination of gel fuel and oxygen-enriched propellant, combining some of the advantages of both to achieve the effects of increased specific impulse, adjustable thrust, and multiple starts.

This invention discloses a self-thickening, moisturizing, and oil-controlling gentle facial cleanser and its preparation method, belonging to the field of cosmetic technology. The raw materials are composed of the following percentages by weight: rhamnolipin 2%~8%, alkyl glycoside 5%~15%, cationic polymer 0.1%~1.5%, moisturizer 2%~6%, plant extract 0.5%~3%, pH adjuster (the amount needed to adjust the system pH to 5.0~7.0), preservative 0.1%~1.0%, and water as the balance. Through the ternary system of rhamnolipin-alkyl glycoside-cationic polymer, self-thickening and foam stability are achieved through electrostatic interaction and steric hindrance synergy, without relying on traditional thickeners such as carbomer. Simultaneously, it possesses excellent moisturizing and oil-controlling properties, with an oil removal rate ≥89%, a skin moisture content increase of ≥15% after 4 hours of use, and an oil secretion inhibition rate of ≥20% after 4 hours, with extremely low irritation. This invention solves the technical problem of low viscosity and poor foam performance in the rhamnolipin and alkyl glycoside compound system.

The invention belongs to the technical field of fuel cells, and particularly relates to a proton exchange membrane fuel cell membrane electrode catalyst slurry and a dispersion process thereof. The proton exchange membrane fuel cell membrane electrode catalyst slurry comprises a catalyst, a perfluorosulfonic acid resin solution, ultrapure water, isopropanol and ethanol, the catalyst adopts one or more of a platinum-carbon catalyst, a platinum-cobalt alloy catalyst and a ternary alloy catalyst, and the platinum loading capacity is 40-70%. According to the present invention, by adjusting the ratio of various alcohols to water in the catalyst slurry and ingeniously increasing the temperature of the catalyst slurry during the dispersion process, the accurate regulation of the slurry viscosity is achieved so as to ensure that the slurry can achieve the ideal rheological property during the dispersion process. The control strategy of adjusting the ratio of the alcohol to the water and optimizing the dispersion temperature not only promotes the uniform dispersion of the slurry, but also remarkably improves the dispersion efficiency, and no non-volatile substance is introduced, so that a solid foundation is provided for preparing a high-performance catalyst layer.

The application discloses a biomass gelatinous gel and a preparation method and application thereof, and the method comprises the following steps: dispersing anthraquinone small molecules and porous graphene in a sodium bicarbonate solution or a phosphate buffer solution to obtain a mixture; the mass ratio of the anthraquinone small molecules to the porous graphene is 1:0.14-7; the pH value of the mixture is 8-10; and the mixture is cooled after being ultrasonically treated at 30-70 DEG C to obtain the biomass gelatinous gel. The biomass gelatinous gel is prepared by self-assembly of anthraquinone small molecules and lignin-based porous graphene as main raw materials in a weak alkaline system through non-covalent interaction between molecules. The biomass gel is a room-temperature gelatinous gel, has good temperature responsiveness, and has excellent specific capacity, remarkable shear thinning characteristics, large shear strain, self-healing characteristics, non-frequency dependence and time stability through tests.

The invention discloses a thermo-oxidative aging resistant environment-friendly concentrated solution and a preparation method thereof, and relates to the technical field of hydraulic support concentrated solutions. The thermo-oxidative aging resistant environment-friendly concentrated solution comprises the following raw materials in parts by weight: 10-14 parts of a modified surfactant, 5-7 parts of a modified antioxidant, 35-45 parts of base oil, 4-6 parts of an anti-rust preservative, 6-8 parts of a defoaming agent, 2-4 parts of a bacteriostatic agent and 130-150 parts of deionized water. The invention prepares a novel modified surfactant and an antioxidant which are used as auxiliaries of the concentrated solution for the hydraulic support, so that the hard water resistance and thermo-oxidative aging resistance of the concentrated solution for the hydraulic support are improved.

The application provides a UV white ink, a preparation method and an application process. The preparation raw material of the UV white ink includes, in terms of weight parts, 5-10 parts of resin, 30-40 parts of amide functional monomer, 25-40 parts of active diluent, 5-10 parts of photoinitiator, 10-25 parts of titanium-containing white paste, and 0.3-3 parts of additive. The resin provides a film-forming skeleton, guarantees the adhesion and scratch resistance of the ink layer; the amide functional monomer uses strong polar amide groups to build low-shrinkage crosslinking nodes, balances the hardness and internal stress, and improves the alcohol resistance; the active diluent adjusts the viscosity of the system and participates in photocuring, and gives the ink good standby anti-settling property. Through the synergistic effect of the components, the application realizes high hardness and excellent scratch resistance, and takes into account the strong adhesion, alcohol resistance and long-term storage stability of the substrate, and is especially suitable for the inkjet printing process of cylindrical curved surfaces such as vacuum cups.