25results about How to "High oil absorption" patented technology

The present application discloses a portable desktop range hood, comprising a range hood main body and a base main body, wherein the range hood main body is arranged above the base main body and is inclined; a filter group, an oblique flow impeller, a motor, a protective cover and a protective net are sequentially installed on the range hood main body along the airflow direction, and the oblique flow impeller, the protective cover and the motor are installed in the guide cover; the filter group comprises an oil-repellent and hydrophobic net, a condensation net and a deodorizing net, an oil box limiter and an oil box are installed in the base main body, and an oil receiving column is arranged above the oil box limiter; the range hood main body comprises an outer shell, an oil collecting groove is opened at the lowest end of the inner circumference of the outer shell, the oil collecting groove is located directly below the filter group, an oil guide column is connected below the oil collecting groove, and the oil guide column is plugged into the oil receiving column; the oil-repellent and hydrophobic net is installed in a fixed frame, and the fixed frame is detachably installed on the inner circumference of the outer shell.

The invention relates to the technical field of quartz powder preparation, in particular to a preparation method of modified quartz powder. The preparation method of the modified quartz powder provided by the invention comprises the following steps: S1, adding a modifier and water into a quartz sand raw material by adopting a first pumping device and a second pumping device respectively to obtain a first mixture; s2, performing premixing treatment on the first mixture to obtain a second mixture; and S3, grinding the second mixture to obtain the modified quartz powder. The preparation method of the modified quartz powder has the advantages of good modification effect, high production efficiency, low energy consumption, good stability of the modification process, safety and no risk, and avoids the reduction and failure of the modification effect caused by long-time mixing of the modifier and water.

[Problem] An object of the present invention is to provide an aqueous dispersion of silicone rubber spherical particles having excellent oil absorptiveness, relative to certain oil materials, specifically hydrocarbon oils or ester oils, and cosmetics to which the aqueous dispersion is added, having excellent use feeling, finish, adherence, and sebum resistance. [Solutions to the problems] An aqueous dispersion of silicone rubber particles comprising (A) a silicone rubber particle being an addition reaction product of (A-1) an organohydrogenpolysiloxane and (A-2) an organopolysiloxane having a monovalent olefin hydrocarbon group, wherein at least one of component (A-1) and component (A-2) has monovalent aliphatic saturated hydrocarbon groups having 6 to 30 carbon atoms, each bonded to a silicon atom, in a percentage of 5% to 70%, based on the total number of all substituents each bonded to a silicon atom, in an amount of 5 % by mass to 80 % by mass, based on a total mass of the aqueous dispersion; (B) at least one surfactant in an amount of 0.01 % by mass to 15 % by mass, based on a total mass of the aqueous dispersion; and (C) water in an amount of 19 % by mass to 94 % by mass, based on a total mass of the aqueous dispersion.

The invention relates to the technical field of meltblown cloths, and the IPC classification number is D04H 1 / 4382. In particular, the invention relates to a preparation process of a high-performance polylactic acid meltblown cloth and an application thereof. The preparation process of the high-performance polylactic acid meltblown cloth comprises the following steps: distilled water, polylactic acid, a carboxyl compound, an enhancer, a compatibilizer, and a surface regulator are stirred and mixed, and an electret masterbatch and an anti-hydrolysis masterbatch are added and stirred and mixed, and then the cloth is sprayed and an electrostatic treatment is performed. By setting a specific heating temperature and a mixing and stirring time, the problems of poor heat resistance and poor oil absorption of the finished polylactic acid meltblown cloth can be improved. A preparation process of a high-performance polylactic acid meltblown cloth is provided, and a meltblown cloth is prepared. The meltblown cloth has good heat resistance and hydrophobic oil absorption, can meet the mass production of high-performance meltblown cloth, and is particularly suitable for the mass production of masks.

The invention discloses high-dosage rubber powder modified asphalt and a preparation method thereof, and the rubber powder modified asphalt is prepared by adding 22-30 parts by weight of modified rubber powder into 100 parts by weight of road petroleum asphalt, the modified rubber powder is prepared from the following components in parts by weight: 85 to 95 parts of common rubber powder, 3 to 6 parts of phenolic resin, 0.6 to 1.2 parts of microcrystalline wax, 2 to 5 parts of naphthenic oil, 0.2 to 0.6 part of antioxidant and 0.2 to 0.6 part of EVA (Ethylene Vinyl Acetate). The preparation method comprises the following steps: (1) preparing the modified rubber powder; and (2) preparing the modified asphalt cement. According to the invention, co-melting and blending of the rubber powder and the asphalt are improved, the mixing amount of the rubber powder in the rubber asphalt can be obviously increased, the pavement and durability are greatly improved, the production cost and environmental pollution of the asphalt mixture are effectively reduced, and the asphalt mixture has economic and social double benefits, is simple in preparation process and has relatively high practical application value.

The invention relates to a super-hydrophobic oleophylic cellulose composite aerogel material and a preparation method thereof.The preparation method comprises the following steps that S1, cellulose wet gel is placed in tetraethoxysilane hydrolysate, the pH value is adjusted to be alkaline, and SiO2 reinforced cellulose composite aerogel is obtained through soaking treatment and drying treatment; s2, soaking the SiO2 reinforced cellulose composite aerogel in an alkyl siloxane solution for hydrophobic modification treatment, and drying to obtain the super-hydrophobic oleophylic cellulose composite aerogel material. The surface roughness of cellulose aerogel is properly improved by controlling the pH value in the reaction process to be alkaline, regulating and controlling the particle size and the protrusion size of SiO2 particles and realizing compounding of cellulose and SiO2, and then hydrophobic modification is performed through alkyl siloxane to prepare the super-hydrophobic oleophylic cellulose composite aerogel material which has excellent oil absorption performance and can be used for preparing the super-hydrophobic oleophylic cellulose composite aerogel material. And repeated utilization can be realized.

The invention discloses a method for preparing Janus paper from mycelium and Janus paper, and belongs to the technical field of polymer compounds. The method comprises: step 1, inactivation of mycelium; step 2, brooming of mycelium; step 3, purification of solid fermentation mycelium; step 4, gelation of secondary fermentation mycelium; step 5, preparation of Janus paper. The invention prepares Janus paper from edible fungus mycelium, which can replace the traditional papermaking method with wood as the main raw material, does not need to add plastic and chemical coating agent, and has the advantages of environmental protection, low carbon and degradability.

The present invention discloses an air inlet assembly, comprising a panel, an air inlet opening is provided on the panel, the air inlet opening comprises a first air inlet area and a second air inlet area arranged in parallel; a baffle assembly comprises a first baffle and a second baffle; a motion mechanism comprises a driving mechanism and a transmission mechanism, the transmission mechanism comprises a first driving rod and a second driving rod, a third driving rod and a fourth driving rod, the first ends of the first driving rod and the second driving rod are respectively rotatably connected to the third driving rod, the second ends of the first driving rod and the second driving rod are respectively rotatably connected to the fourth driving rod, the third driving rod is connected to the first baffle, and the fourth driving rod is connected to the second baffle; the driving mechanism drives the first driving rod and the second driving rod to rotate, so that the first baffle can be moved to block the first air inlet area or to be staggered with the first air inlet area, and the second baffle can be moved to block the second air inlet area or to be staggered with the second air inlet area. A range hood using the above air inlet assembly is also disclosed.

The invention relates to a through-hole type ultra-high molecular weight polyethylene fiber as well as a preparation method and application thereof. The manufacturing method of the through-hole type ultra-high molecular weight polyethylene fiber comprises the following steps: 1) mixing ultra-high molecular weight polyethylene, acid-soluble inorganic particles and a solvent to prepare a spinning solution, 2) extruding the spinning solution to form a spinning trickle, 3) removing at least a part of the solvent from the spinning trickle to obtain a dry precursor, and 4) drying the dry precursor to obtain the through-hole type ultra-high molecular weight polyethylene fiber. And 4) stretching the dry precursor in two or more stages, and spraying an acid solution to the dry precursor to dissolve the acid-soluble inorganic particles while one or more of these stages are performed, thereby obtaining the through-hole type ultra-high molecular weight polyethylene fiber. The through-hole type ultra-high molecular weight polyethylene fiber can float on seawater and rapidly absorb oil, and the problems that oil leaks and diffuses rapidly and is difficult to collect are solved.

The invention discloses a method for improving whiteness and fisheye of polyvinyl chloride, which comprises the following steps: adding a polymeric monomer and an auxiliary agent into a polymerization kettle, and carrying out polymerization reaction according to polymerization reaction conditions to obtain a polyvinyl chloride product, the method comprises the following steps: adding a gas-liquid interface relieving agent into a polymerization kettle at the early stage or the middle and later stages of a polymerization reaction, and adding a pH regulator and a stabilizer into the polymerization kettle at the middle and later stages of the polymerization reaction. According to the method, the thickness of an interface layer can be reduced, the stability of polyvinyl chloride is improved, and the whiteness and fisheye of a polyvinyl chloride product are improved.

The invention relates to a preparation method of a graphene-carbon nanotube hybrid oil absorption material. The preparation method comprises the following steps: S1, preparing graphene oxide foam; s2, preparing modified graphene oxide foam from the graphene oxide foam; s3, preparing a graphene-carbon nanotube hybrid foam material: heating the prepared modified graphene oxide foam in a tubular furnace, introducing argon into the tubular furnace, introducing hydrogen into the tubular furnace, introducing a catalyst into the tubular furnace through an injection pump, introducing acetylene into the tubular furnace, closing an acetylene channel and the injection pump, and carrying out heat preservation for 2-3 hours at the same time, so as to obtain the graphene-carbon nanotube hybrid foam material. Meanwhile, closing a temperature control system of the tubular furnace, cooling to room temperature, and taking out a sample, so as to obtain the graphene-carbon nanotube hybrid foam material. S4, grafting octadecylamine: preparing an octadecylamine grafting preparation solution, immersing the prepared graphene-carbon nanotube hybrid foam material into the octadecylamine grafting preparation solution, and performing freeze drying to obtain the graphene-carbon nanotube hybrid oil absorption material grafted with octadecylamine.

The invention discloses a method for preparing an oxypropylated cotton spinning black liquor-based polyurethane oil-water separation sponge, which belongs to the technical field of polyurethane sponges, and comprises the following steps: preparing a cotton spinning black liquor extract; extracting organic matter from the cotton spinning black liquor extract; preparing an oxypropylated cotton spinning black liquor extract; preparing an oxypropylated modified black liquor precipitate-based polyurethane sponge; and preparing an oxypropylated cotton spinning black liquor-based polyurethane oil-water separation sponge. The solution provided by the invention can effectively solve the problems faced by the cotton textile and biochemical industries in black liquor treatment. The invention successfully extracts organic matter from cotton spinning black liquor, and after modification, uses it as biopolyol to replace fossil fuel polyol to prepare a polyurethane soft sponge. The prepared sponge is hydrophobically modified to have oil-water separation performance, successfully realizing the recycling of resources, effectively closing the recycling chain of resource utilization, and laying a solid foundation for the sustainable development of the polyurethane industry.

The application discloses a preparation method of a magnetic oil-absorbing resin based on a high internal phase emulsion template. First, a certain amount of magnetic nanoparticles, an initiator and a surfactant are added into a solution containing monomers, a crosslinking agent and a pore-forming agent, and after being uniformly mixed, an oil phase is obtained; then, under mechanical stirring, a calcium chloride aqueous solution is slowly added into the oil phase to obtain a water-in-oil high internal phase emulsion; then, a polymerization reaction is carried out at 70 DEG C for about 24 hours; after being extracted by anhydrous ethanol by means of a Soxhlet extractor and vacuum dried, the magnetic oil-absorbing resin is obtained. By adjusting the content of the magnetic nanoparticles, the pore structure and oil-absorbing performance of the magnetic oil-absorbing resin are optimized, and a series of magnetic oil-absorbing resins are prepared, which exhibit good oil-absorbing performance, magnetic response and recycling performance.

The oiling mechanism comprises a machine base, a first sliding base and a second sliding base which can transversely move relative to the machine base are connected to the machine base, a first driving device capable of pushing the first sliding base to move is arranged between the first sliding base and the machine base, and a second driving device capable of pushing the second sliding base to move is arranged between the second sliding base and the machine base. A plurality of first oiling assemblies are arranged on the first sliding seat, and second oiling assemblies corresponding to the first oiling assemblies are arranged on the second sliding seat, so that when the first sliding seat and the second sliding seat move in opposite directions, the first oiling assemblies and the second oiling assemblies can get close to each other or get away from each other; a first oiling piece is arranged on the side, close to the second oiling assembly, of the first oiling assembly, a second oiling piece is arranged on the side, close to the first oiling assembly, of the second oiling assembly, and when the first oiling assembly and the second oiling assembly draw close to each other, the first oiling piece and the second oiling piece draw close to each other to clamp the rod piece. The structure is uniform in oiling, and the efficiency is improved.

This invention belongs to the field of battery materials, specifically relating to a carbon-based conductive agent with a point-and-sheet contact anchoring structure, its preparation, and application. It comprises layered graphite with a porous structure, and acetylene black nanoparticles anchored on the surface and within the pore structure of the layered graphite. The preparation method of the material is as follows: layered graphite and a pore-forming agent are mixed and subjected to a pore-forming treatment at a temperature T1 of 800~1300℃ to obtain porous layered graphite; the porous layered graphite is then subjected to acetylene deposition treatment to obtain the carbon-based conductive agent with the point-and-sheet contact anchoring structure. The material of this invention exhibits a good fusion interface between the acetylene black and graphite, combining good liquid absorption, DCR (diffusion rate) performance, especially low-temperature DCR performance, and universal applicability to both positive and negative electrodes.

The invention relates to the technical field of melamine sponge, in particular to a preparation method of hydrophobically modified melamine sponge, which comprises the following preparation steps: step 1, proportionally preparing melamine sponge, a silane coupling agent (KH-570), silicone oil (PDMS), a solvent and a catalyst; step 2, pretreating a melamine sponge raw material; 3, preparing a dipping solution; 4, dipping treatment is conducted, specifically, the dried melamine sponge is dipped into a dipping solution, and it is ensured that the sponge is completely dipped into the solution. The preparation method of the hydrophobic modified melamine sponge provided by the invention is simple, convenient and economical, and not only is the process simplified and the cost reduced, but also the preparation efficiency is improved by optimizing ingredients and preparation steps. The prepared sponge has excellent hydrophobic performance and oil absorption capacity, and is suitable for various application scenes.

The application relates to a production control method, system, terminal and medium of low oil absorption deep-fried doughnuts, the production control method comprising the following steps: acquiring the actual water content of dough in a low-temperature pre-solidification stage with an oil temperature of 120 DEG C and the oil temperature field uniformity; judging whether the actual water content is lower than a water content threshold value; if yes, judging whether the continuous duration is not less than a duration threshold value and the oil temperature field uniformity is less than a threshold value; if yes, entering a medium-temperature structure solidification stage, the oil temperature is increased to 160 DEG C at a set temperature increasing rate, and a molecular sieve is preheated to 60 DEG C; according to a polar component target value, a target deep-frying duration is predicted; judging whether the target deep-frying duration is greater than a planned deep-frying duration; if yes, starting the molecular sieve; when the deep-frying duration reaches the planned deep-frying duration, entering a negative pressure oil removal stage; acquiring a residual oil rate; judging whether the residual oil rate is less than a residual rate threshold value; if yes, reducing the oil temperature to 80 DEG C. The application can reduce the oil absorption rate while ensuring the food quality.

A high-speed internal gear pump integrated with a centrifugal hole type booster pump aims to solve the problems of insufficient oil absorption, low efficiency and incompact structure of a hydraulic power unit under high rotating speed in the prior art, an end cover (1) is located at the front end of the pump, an oil outlet (1c) is formed in the top of the pump, and four threaded holes with the same size are formed in the periphery of the pump and used for flange connection; the sealing ring (2) is connected to the left end of the cavity (4) through a screw and is sealed through the first sealing ring (2); the pump core (3) of the internal gear pump is arranged on the left side of the centrifugal hole type booster pump (5) and is connected with the centrifugal hole type booster pump (5) through a spline (5a); an oil inlet (4e) is formed in the top of the cavity (4), and threaded holes are formed in the left side and the right side of the cavity (4) and connected with the end cover (1) and the base (11) respectively. The centrifugal hole type booster pump (5) is integrated on an oil suction path of the high-speed internal gear pump, and a right end shaft is provided with a flat key groove (5d) used for being connected with a motor through a coupler; the double-row angular contact ball bearing (9) is embedded in the base, is matched with a main shaft of the centrifugal hole type booster pump (5) and is positioned through a check ring; the base (11) is located on the rightmost side of the device, a double-row angular contact ball bearing (9) and a rotating shaft lip-shaped oil seal (10) are embedded in the base (11), the base (11) is connected with the cavity (4) through four evenly-distributed screw holes, and sealing is achieved through a second sealing ring (8).

The application discloses a method for preparing high oil-absorbing dietary fiber by steam explosion combined with probiotic fermentation, and comprises the following steps: S1, adding acetic acid aqueous solution into rice bran powder for soaking, filtering and drying to obtain dried rice bran powder; S2, carrying out steam explosion processing on the dried rice bran powder obtained in step S1 to obtain steam explosion processed rice bran powder; S3, adding water, prebiotics and probiotics into the steam explosion processed rice bran powder obtained in step S2 for fermentation, filtering and collecting the filter residue after fermentation, and the filter residue is high oil-absorbing dietary fiber. The method provided by the application solves the problems of low oil holding capacity and poor flavor of rice bran dietary fiber caused by compact structure, provides dietary fiber ingredients for special food for obese patients or diabetic patients, and is beneficial to improving the added value of rice bran.

The utility model relates to an oil cooling system, engine and generator set, including crankcase, the outside of crankcase is installed cooling filter subassembly to the lubricating oil in the crankcase is filtered and cooled, install the crankshaft and oil pump in the crankcase, the input end of oil pump and crankshaft transmission connection, the oil outlet end of oil pump and the oil inlet end of cooling filter subassembly through -going connection. Install the oil pump in the crankcase, the seal between the tank cover and the crankcase will not change because of the gravity of oil pump, adopt the pipeline to make the oil pump and cooling filter subassembly communicate, avoid the excessive oil way integrated on the crankcase, reduce the machining cost of crankcase and improve the overall strength of crankcase.

The invention discloses a preparation method of magnetic oil-absorbing resin based on a high internal phase emulsion template. The preparation method comprises the following steps: firstly, adding a certain amount of magnetic nanoparticles, an initiator and a surfactant into a solution containing a monomer, a cross-linking agent and a pore-foaming agent, fully and uniformly mixing to obtain an oil phase, slowly dropwise adding a calcium chloride aqueous solution into the oil phase under a mechanical stirring condition to obtain a water-in-oil type high internal phase emulsion, and carrying out ultrasonic dispersion on the water-in-oil type high internal phase emulsion. And then carrying out polymerization reaction at 70 DEG C for about 24 hours, carrying out Soxhlet extraction by using absolute ethyl alcohol, and carrying out vacuum drying to obtain the magnetic oil-absorbing resin. By adjusting the content of the magnetic nanoparticles, the pore structure and the oil absorption performance of the magnetic oil absorption resin are optimized, a series of magnetic oil absorption resins are prepared, and the oil absorption performance, the magnetic responsiveness and the recycling performance are good.

This application relates to the field of color cosmetics technology, specifically disclosing an eyeshadow that becomes brighter with rubbing and its preparation method. The eyeshadow comprises 38%-43% filler, 22%-31% colorant, 12%-16% emollient, 1%-2% moisturizer, and 4%-7% dispersant; the filler includes 30%-40% synthetic fluorophlogopite, 15%-20% triethoxyoctylsilane, 15%-20% talc, 10%-15% starch octenyl succinate aluminum, and 5%-10% silica. This eyeshadow, which becomes brighter with rubbing, possesses the advantages of providing both brightness and a sheer finish, as well as color payoff, coverage, and finishing properties.

The utility model discloses an oily sludge cleaning device which comprises a cleaning tank, a motor is fixedly installed at the top end of the cleaning tank, the output end of the motor is in driving connection with a rotating shaft communicated into the cleaning tank, and a transverse inclined net is fixedly installed at the position, close to the top end, in the cleaning tank. A crushing cutter located above the inclined net and close to the inclined net is fixedly installed on the rotating shaft, stirring blades are further fixedly installed on the rotating shaft and located below the inclined net, a scraping plate is fixedly installed at the bottom end of the rotating shaft and makes contact with the bottom of an inner cavity of the cleaning tank, a sliding plate is slidably connected into the cleaning tank, and the sliding plate is located between the inclined net and the stirring blades; a hydraulic rod is fixedly installed at the bottom end of the inclined net, the output end of the hydraulic rod is fixedly connected with the top end of the sliding plate, an oil suction pipe is fixedly installed on the rear side of the sliding plate, a plurality of oil suction nozzles are fixedly installed and communicated to the bottom end of the oil suction pipe, and an oil conveying hose communicated to the outside of the cleaning tank is communicated to the oil suction pipe. The device can be used for efficiently separating and recycling oil liquid in the oily sludge.

The application discloses a preparation method of electronic cigarette oil guide cotton. The method comprises the following steps: taking organic polymer chip as raw material, adding a predetermined amount of mixed reagent of inorganic antibacterial agent and organic antibacterial agent, uniformly mixing, and then preparing organic short fibers with special-shaped structure through melt spinning; mixing the inorganic fibers and the organic short fibers in a predetermined proportion, and preparing the oil guide cotton through carding, water jet, and winding. By combining the advantages of high polymer materials such as polyester and polytetrafluoroethylene, such as high melting point and decomposition temperature, and the advantages of inorganic fibers such as ceramic fibers, such as light weight, high temperature resistance and good thermal stability, and by controlling the use proportion of the two, the oil guide cotton can have good heat resistance, thermal stability and high oil conductivity, and carbonization can be avoided during use, thereby prolonging the service life of the electronic cigarette.

The invention relates to the technical field of waste fabric recycling and high polymer material aerogel, in particular to a preparation method of conductive waste fabric fiber aerogel, which comprises the following steps: step 1, cutting waste clothes into pieces, cleaning and disinfecting to obtain waste fabric fibers; 2, the cleaned waste fabric fibers are soaked in a sodium hydroxide solution for surface treatment; 3, adding a proper amount of treated waste fabric fibers, acrylic acid and silver nitrate into water; 4, the irradiated waste fabric fibers are added into a copper plating solution; 5, adding the copper-plated waste fabric fibers and polyvinyl alcohol (PVA) into a proper amount of water to obtain hydrogel; and 6, freezing the mixture at low temperature, and freeze-drying to obtain the conductive waste fabric aerogel. The composite material has certain mechanical properties, can be prepared into different shapes according to needs, is good in sound barrier, can be directly used after being disinfected, and is simple in preparation process, low in cost, safe and environment-friendly.