181results about How to "Lipophilic" patented technology

The invention discloses a method for preparing a seaweed cellulose aerogel oil absorption material and relates to a method for preparing an oil absorption material. The method comprises the following steps: I, purifying seaweed cellulose; II, preparing seaweed nano cellulose microfibril in a mechanical colloid milling mode; III, preparing seaweed cellulose aerogel; and IV, performing hydrophobic modification on the seaweed cellulose aerogel. The seaweed cellulose aerogel oil absorption material prepared by using the method is natural and pollution-free and has the advantages of high oil absorption efficiency, , good strength, simple secondary treatment and the like, and is an important development direction of novel aerogel oil absorption materials.

The invention discloses a hydrophobic and oleophyllic bi-component acrylic resin and a preparation method and application thereof. The hydrophobic and oleophyllic bi-component acrylic resin comprises an A component and a B component, wherein the A component comprises 10 to 15 weight percent of hard monomer, 15 to 25 weight percent of higher alkyl methacrylates, 5 to 10 weight percent of fluorinated acrylic ester, 8 to 15 weight percent of cross linking monomer, 1 to 3 weigh percent of initiator, 10 to 25 weight percent of butyl acetate and 20 to 32 weight percent of dimethylbenzene; and the B component is an isocyanate curing agent of which the NCO content accounts for 10 to 23 percent of the total weight of the curing agent. The preparation method comprises a step of evenly mixing the A component with the B component which accounts for 14 to 32 weight percent of the A component to prepare the hydrophobic and oleophyllic bi-component acrylic resin. The bi-component acrylic resin has hydrophobic and oleophyllic performance and can serve as a coating for porous materials such as stainless steel metal meshes and filter paper to play a role in separating oil from water.

The preparation method of nano active calcium carbonate is characterized by that it uses the carbide slag as raw material, which includes the following steps: adding water into calcium oxide obtained by cleaning carbide slag, digesting to obtain calcium hydroxide sturry liquor with a certain concentration, then introducing CO2 and at the same time adding additive to make carbonization reaction, and controlling a series of technological parameters to prepare nano calcium carbonate with a certain grain size, then adopting a certain surface treatment process to make the nano calcium carbonate undergo the process of organic surface modification and make it surface be oleophilic and have good dispersion property in oil phase.

The invention provides a preparation method of a metal resin complex and the metal resin complex prepared thereby. The preparation method of the metal resin complex comprises the following steps: S1, micropores are formed on the surface of a pretreated metal substrate, and the metal substrate is an aluminum alloy substrate or aluminum substrate; S2, the metal substrate having the micropores on the surface thereof and obtained by the step S1 is soaked in a water-soluble polymer solution for modification; and S3, the surface of the treated metal substrate modified by soaking in the step S2 is coated with a resin composition, and after molding the metal resin complex is obtained. In the metal resin complex, the binding force between metal and resin is strong, and the process is simple, is easy for large-scale production, and has no pollution.

Disclosed is a antihypelipidemic and antihyperglycemic health food for preventing diseases including cardiovascular disease, diabetes, adjusting internal secretion, resisting osteoporosis and cancer, and beauty treatment. The raw materials include soybean powder 15-30 parts, pumpkin powder 15-30 parts, soybean isoflavones 0.5-1.5 parts, soybean saponin 2-5 parts, astragalus root 10-20 parts, wolfberry fruit 10-15 parts, kudzuvine root 10-15 parts, Chinese yam 10-15 parts, lotus plumule 6-10 parts, Siberian solomonseal rhizome 6-10 parts, cassia seed 6-10 parts, lily 5-8 parts, mulberry leaf 5-8 parts and ginseng 3-5 parts.

The invention relates to a method for preparing a hydrophobic lipophilic cotton fabric material through structuring a zinc oxide fine structure. The method comprises the following steps of: combining a sol-gel method with a hydrothermal method, i.e. uniformly laying prepared zinc oxide nano seed crystals on the surface of a cotton fabric through utilizing the sol-gel method at first, then growing zinc oxide nanorods toward fixed directions on the surface of the cotton fabric through utilizing the hydrothermal method, finally, modifying the cotton fabric through utilizing long-chain fatty acid-palmitic acid so as to have superhydrophobicity, and wrapping cotton with the cotton fabric for oil absorption. According to the method, the specific structure of zinc oxide is utilized to structure the superhydrophobic cotton fabric surface, and moreover, the cotton fabric has lipophilicity, good oil absorption after wrapping the cotton and a good practical application value in petroleum pollution water body remediation.

The invention relates to the technical field of a feed additive, and particularly relates to a flavoring matter with milk fragrance, namely milk lactone, also named a 5(6)-caproleic acid. The invention provides a novel process for preparing milk lactone. The process comprises the following steps: carrying out alkaline condensation under the action of a phase-transfer catalyst by taking n-butanal and cyclohexanone as raw materials; carrying out catalytic hydrogenation to obtain 2-butyl-cyclohexanone after dewatering; oxidizing the 2-butyl-cyclohexanone to obtain epsilon-decalactone by a superoxide; and directly hydrolyzing and dewatering the epsilon-decalactone to obtain the 5(6)-caproleic acid. The process is available in raw material, simple to operate, low in cost and relatively high in productivity.

The invention discloses a preparation method for an oil absorption material made of polypropylene non-woven cloth. The preparation method comprises the steps of treatment of the polypropylene non-woven cloth, preliminary grafting reaction, grafting reaction and final treatment so as to obtain the oil absorption material made of the polypropylene non-woven cloth. In the preliminary grafting reaction and the grafting reaction, a monomer drop addition method or a monomer infusion method is adopted. The process of the drop addition method is as follows: adding an oleophylic monomer dropwise in preliminary grafting reaction solution, and conducting the grafting reaction for 30 minutes to 120 minutes under constant-temperature agitation so as to obtain a graft polymerization product, wherein the oleophylic monomer belongs to methacrylic acid alkyl esters, and the adding amount of the oleophylic monomer is 3%-6% of the total mass of the preliminary grafting reaction solution. The process of the infusion method is as follows: taking out a product of the grafting reaction, putting the product into the oleophylic monomer, conducting constant-temperature agitation, and conducting the grafting reaction for 30 minutes to 120 minutes so as to obtain the graft polymerization product, wherein the oleophylic monomer belongs to methacrylic acid alkyl esters, and the adding amount of the oleophylic monomer is 3%-6% of the total mass of the preliminary grafting reaction solution.

The invention provides whitening essence and a preparation method thereof. The whitening essence consists of the following components of glycerine, 1,3-butanediol, sodium hyaluronate, EDTA-2Na, polyglycerol-10, sodium polyacrylate, xanthan gum, hydroxyacetophenone, dipotassium glycyrrhizinate, hydrolyzed sclerotium gum, gluconic acid sodium salt, glycereth-26, caprylhydroxamic acid, glycerol caprylate, 3-o-ethyl ascorbic acid, tranexamic acid, ceramide, phenethyl resorcinol, diglucosyl gallic acid and water. The whitening essence disclosed by the invention can refrain conversion of tyrosine tomelanin before the tyrosine is in preparation of conversion to the melanin, so that the activity of the tyrosinase is also high, generation of more melanin cannot be caused, and transfer of skin melanin can also be restrained. Besides, the whitening essence has powerful antioxidant ability, has light protection effects on skin, can control dermatitis, and is a whitening product most comprehensivein action mechanism at present, so that whitening effects can be achieved.

The invention relates to an emulsion paint for preventing mosquitoes and flies and a preparation method thereof. The emulsion paint comprises the components based on parts by weight: 100-400 parts ofnano waterborne resin with 48% of solid content, 2-5 parts of nano defoaming agent, 1-5 parts of preservative, 5-10 parts of dispersing agent, 200-500 parts of pigment filler, 1-10 parts of nano thickening agent, 1-10 parts of flatting agent, 0-10 parts of antifreeze agent, 0-10 parts of film formation auxiliary agent, 5-20 parts of nano inorganic anion antibacterial agent, 40-100 parts of nano polymer hollow microspheres, 20-80 parts of biological mosquito repellent and 0-350 parts of water. The emulsion paint for preventing the mosquitoes and the flies can be coated on the wall and the wood,has a paint film with the characteristics of good covering power, good adhesive force, scouring resistance and the like, can effectively prevent the mosquitoes and the flies from entering the room, and has the advantages of low cost, good construction property and excellent environmental protection performance, thus being taken as a product perfectly blending the three themes of decoration, functionality and environmental protection performance.

The invention provides pyridine quaternary ammonium salt polyurethane, which comprises constitutional units shown in formulas 1, 2 and 3, wherein n is an integer from 20 to 80, and X is halogen atom; and the molecular weight of the pyridine quaternary ammonium salt polyurethane is 10,000 to 80,000. The invention also provides a preparation method for the pyridine quaternary ammonium salt polyurethane, which comprises the following steps of: performing condensation on polypropylene glycol and 4,4'-diphenylmethane diisocyanate to obtain prepolymer 1 taking isocyanate as a terminal group; performing chain extension on resin by adopting 1,1,2,2-tetraphenyl-1,2-ethanediol, and adding vinyl pyridine; and performing quaternary ammonium. The pyridine quaternary ammonium salt polyurethane has lipophilicity and hydrophily, and improves antibiotic property on the premise of keeping better ageing resistance and scratch resistance.

The invention discloses a super-hydrophobic flame retardant fabric with the function of separating oil from water and a preparation method thereof. The super-hydrophobic flame retardant fabric is prepared by using fluorine-containing polymers with epoxy groups and silicon-containing compounds with amino groups for modifying a fabric body. According to the super-hydrophobic flame retardant fabric,through reaction between the epoxy groups and the amino groups, the fluorine-containing polymers and the silicon-containing compounds are attached to the fabric body in a cross linking mode, so that the treated fabric has durability. Because the modified fabric contains silicon and fluorine, surface energy of materials is reduced, and at the same time, the flame retardant performance of the treated fabric can be improved. The super-hydrophobic flame retardant fabric is further characterized by being hydrophilic and oleophobic, and can be applied to the field of oil and water separation.

The invention discloses a scratch-resistant super-hydrophobic and oleophylic cellulose oil and water adsorption/separation film and a preparation method thereof. The scratch-resistant super-hydrophobic and oleophylic cellulose oil and water adsorption/separation film consists of a cellulose film and a metal oxide, wherein the metal oxide is grown at the surface of the film in an in-situ way after the surface is treated by a stearic acid ethanol solution; the contact angle with water in air is greater than 150 degrees, the rolling angle is smaller than 10 degrees, and the contact angle with oil in water air is 0 degree; after scratching by a knife blade for ten times, the contact angle with water is still greater than 150 degrees, and the rolling angle is still smaller than 10 degrees. The scratch-resistant super-hydrophobic and oleophylic cellulose oil and water adsorption/separation film has the advantages that the high scratch-resistant, super-hydrophobic and oleophylic properties are realized; the preparation technology is simple, the energy consumption is low, the consumption time is short, the complicated equipment or inert atmosphere is not needed, the amount of used material and reagent is small, and the toxic or side effect is little; the pollution matters of organic fluorine, organic phosphor, organic silicon and the like are not produced in the reaction treatment process, the pollution to environment is little, and the large-scale production and preparation is realized.

The invention provides a photoresist, a quantum dot layer patterning method, a quantum light-emitting diode (QLED), a quantum dot color film and a display device, which belongs to the technical field of display and can be used for solving the problem of quantum dot damage by the traditional patterning method. The quantum dot layer patterning method comprises the following steps of: forming a photoresist material layer on a substrate; carrying out pattern composition on the photoresist; carrying out hydrophilic treatment on the photoresist; coating quantum dots; removing the quantum dots on the residual photoresist; and stripping the photoresist. By the quantum dot layer patterning method, the hydrophilic performance of the photoresist can be improved, and the adhesive force of the quantum dots with lipophilicity onto the photoresist is reduced. During stripping the photoresist, the quantum dots at the target position of the substrate cannot fall off. The quantum dot layer patterning method is suitable for a light-emitting diode displayer containing the quantum dot layer, the quantum dot color film and the display device applying the quantum dot color film.

The invention relates to nano titanium dioxide, which contains nano titanium dioxide granules serving as matrix and a nonionic surfactant coated on the surface of the nano titanium dioxide matrix, wherein the granule diameter of the nano titanium dioxide matrix is 1 to 100 nanometers, the hydrophile-lipophile balance value of the nonionic surfactant is 1 to 10, and the content of the nonionic surfactant is 1 to 20 weight percent of the weight of the nano titanium dioxide matrix. The invention also relates to a method for preparing the nano titanium dioxide. The method comprises the following steps of: a) wetting the nano titanium dioxide granules serving as the matrix by using a wetting agent; b) mixing the nonionic surfactant and the dispersoid of the nano titanium dioxide matrix from the step a) in the wetting agent uniformly, wherein the hydrophile-lipophile balance value of the nonionic surfactant is 1 to 10, and the content of the nonionic surfactant is 1 to 20 weight percent of the weight of the nano titanium dioxide matrix; and c) drying, wherein the granule diameter of the nano titanium dioxide matrix is 1 to 100 nanometers. The nano titanium dioxide has the characteristics of lipophilicity, low polarity, low surface energy, difficult agglomeration, uniform dispersion and the like.

The invention provides superparamagnetism nanoparticles, a preparation method therefor and applications. Each superparamagnetism nanoparticle comprises an oleic-acid-coated ferroferric oxide nanoparticle located in the core, PEG-modified lipid molecules coating the surface of the oleic-acid-coated ferroferric oxide nanoparticle and target molecules connected with PEG. PEG-modified lipid molecules are employed as a modification agent, iron-containing compounds are subjected to thermal decomposition, then the target molecules are connected onto PEG, and a superparamagnetism nanoparticle is obtained. The superparamagnetism nanoparticles raise stability and biocompatibility of magnetic nanoparticles in vivo. Through connection of the target molecules, the nano particle diameter of the product is decreased further, the particle size distribution scope is narrowed, further the stability of the product is raised, the targeting of the product is raised, and imaging effects of a formed superparamagnetism contrast agent in lesion tissues of the Alzheimer disease are improved.

The invention provides a modified starch, which comprises the following components by weight: 100 parts of corn starch, 1-4 parts of sodium trimetaphosphate, 0.6-1 part of NaOH, 0.8-1.5 parts of HCl and 130-140 parts of mixing water. The modified starch possesses the advantages of good flowability, certain lipophilicity, high gelatinization temperature, stable viscosity and good anti-shearing ability, and can replace partial polyether glycol and partial isocyanate in the production of polyurethane foamed plastics.

The invention discloses a preparation method of lipophilic hyperbranched molecule modified nanofluid, wherein the nanofluid is composed of a liquid medium and nanoparticles dispersed in the liquid medium. The preparation method comprises the main steps of preparation and dispersion of the nanoparticles. The surface of the nano material is modified by lipophilic hyperbranched molecules. Compared with the prior art, the preparation method has the advantages that the nano particles are dispersed stably without agglomeration, the nano particles are loaded by utilizing the specific dendritic macromolecular structure of the hyperbranched polyethyleneimine grafted by long-chain alkyl acyl chloride, the number-average molecular weight of hyperbranched molecules is distributed between 1000 and 36000. The prepared nano particles are relatively small in particle size, not easy to agglomerate and good in stability. By the addition amount of 0.01%-5%, the nano fluid with good stability and excellent heat-conducting property can be obtained; and the preparation process is controllable, good in repeatability and easy to popularize.

The invention provides a process for the manufacture of printing master, and a printing master made thereby, wherein the process comprises, using an ink composition capable of optical polymerization reaction under light illumination, which includes monomer used for optical polymerization reaction, optical polymerization initiator, coloring agent and organic solvent, to print the pattern directly onto the printing image base through high precision ink-jet printers. As the result of light struck, the ink expediting setting on the printing master can be achieved. The advantages of the process according to the invention are, no ink overflow to the periphery, clear image, and simple salting-on procedure.

The invention relates to a hydrophobic ceramic composite membrane and a preparation method thereof and belongs to the technical field of membrane separation. The hydrophobic ceramic composite membrane contains a ceramic base film, wherein a silane coupling layer, an adhesive layer and a hydrophobic polymer layer are sequentially arranged on the surface of the ceramic base film from inside to outside; the hydrophobic polymer layer is polytetrafluoroethylene; the mass ratio of the ceramic base film to the silane coupling layer to the adhesive layer to the hydrophobic polymer layer is 1 to (0.001 to 0.005) to (0.01 to 0.05) to (0.001 to 0.01) to (0.05 to 0.1). According to the hydrophobic ceramic composite membrane material disclosed by the invention, the polymers are bonded with an adjacent layer and a carrier by covalent bonds, so that the polymers are not easy to fall off from the carrier; in addition, a coating material has high stability and is more suitable for industrial use.

A process for preparing the polylactic acid-polyethanediol block copolymer is prepared through the copolymerizing reaction between polyethanediol and lactide at 130-160 deg.C under -0.08-0.01 MPa and existance of calcium hydride for 8-12 hr, adding acetone for dissolving, deposition in distilled water and then in absolute alcohol, and vacuum drying.

The invention discloses a silane coupling agent modified titanium dioxide nanotube array material, a preparation method and application thereof. The silane coupling agent-modified titanium dioxide nanotube array material is mainly obtained by mixing and reacting titanium dioxide nanotube arrays, silane coupling agents, organic solvents and glacial acetic acid, and can be applied to the treatment of wastewater containing organic pollutants and/or heavy metal pollutants . The titanium dioxide nanotube array material modified by the silane coupling agent of the invention has strong redox ability, can remove organic pollutants and heavy metal pollutants at the same time, has good removal effect, and can be used repeatedly.

The invention discloses a preparation method and application of oleophylic type nanoscaled molybdenum disulfide, and belongs to the technical field of inferior heavy oil suspended bed hydrocracking.The method comprises the following steps that under the protection of nitrogen, distilled water, sodium molybdate and hydroxylamine hydrochloride are sequentially added into a container, mixed to be uniform and then subjected to a reaction under the heating effect; sodium sulfide continues to be added into the container, mixed to be uniform and subjected to a reaction under the heating effect; a surface active agent is added into the container, stirred to be uniform and subjected to acidification precipitation by dropwisely adding hydrochloric acid under the heating effect; after the reactions are ended, sufficient cooling and centrifugal are performed, washing is performed with distilled water and ethyl alcohol three times, and drying is performed in a vacuum drying box, and the oleophylic type nanoscaled molybdenum disulfide is obtained.The obtained oleophylic type nanoscaled molybdenum disulfide is high in molybdenum metal raw material conversion rate, no poisonous or harmful raw materials are involved, and the oleophylic type nanoscaled molybdenum disulfide can remarkably restrain the green coke amount in the heavy oil suspended bed hydrocracking technology.