69results about How to "Good hydrophilic and lipophilic" patented technology

The invention relates to a preparation method of styrene-acrylate copolymer painting emulsion for elastic painting of inner and outer walls of a building. The preparation of styrene-acrylate copolymer painting emulsion comprises the preparation method of styrene-acrylate seed emulsion and the preparation method of painting emulsion and the styrene-acrylate copolymer painting emulsion mainly comprises styrene, acrylate, silane coupling agent, emulgator, initiator, defoamer, pH adjusting agent, molecular weight regulator and water. By utilizing the strong surface effect of organic nano particles and designability of the distribution of inner and outer polymers of emulsion particles and combining the seed emulsion aggregation method and the phase-control dispersion film formation technology, the painting emulsion with high performance is produced by utilizing conventional raw materials; and the compactness, mechanical property and the outdoor aging resistance problems of a paint film can be successfully solved. The painting emulsion can be used as a film formation substance for the inner-outer wall emulsion paint of different buildings and also can be used for preparing anticorrosion metal anti-corrosive primer and varnish of wooden doors and windows.

The invention discloses a hydrophilic-lipophilic medical sheath-core type fiber non-woven fabric, and relates to the technical field of non-woven fabrics. The medical sheath-core type fiber is prepared by processing sheath-core type fiber through a spunlace process, the sheath-core type fiber comprises a core layer and a sheath layer, the core layer is modified polyester fiber, and the sheath layer is modified polylactic acid fiber. The prepared non-woven fabric has the excellent hydrophilic and lipophilic properties and good antibacterial and anti-ageing properties and is good in strength andrebound resilience and comfortable in hand feeling; compared with a sheath-core type fiber non-woven fabric which is prepared by directly adopting unmodified polyester and polylactic acid, the tensile strength is increased by 78.2%, the water absorption rate is increased by 47.6%, the oil absorption rate is increased by 64.7%, and then the application direction of the medical non-woven fabric isimproved.

The invention discloses a method of each block copolymer with Biopolyester PHA as base material, which comprises the following steps: cracking high molecular weight Biopolyester PHA to low molecular weight fragment or low molecular weight diatomic alcohol or diacid fragment of needed; connecting this fragments as block copolymer under the function of small molecule chain protecting agent; or utilizing PHA low-molecular polymer fragment as macromolecule trigger under warm condition; triggering other monomer polymerization reaction; even utilizing PHA and other macromolecule material; proceeding ester exchange under proper condition directly; getting the product. This product possesses special property and can meet the needs of biological medicine and organizing engineer, and on the other hand, the cheaper block copolymers used can decrease the selling price of PHA.

The invention relates to a gel candy, in particular to an oyster calcium gel candy and a preparation method thereof. The candy comprises the following components in parts by weight: 40-100 parts of gelatin, 1-20 parts of polysaccharide gel, 500-850 parts of a filler, 60-100 parts of oyster calcium powder, 0.1-10 parts of a calcium absorption enhancer, 5-50 parts of concentrated fruit juice, 0.5-5parts of essence and 0-5 parts of a colorant. The calcium absorption enhancer consists of casein phosphopeptide, lysine, arabic gum, xylo-oligosaccharide and an auxiliary agent, wherein the auxiliaryagent is one or more of vitamin D3 or lactose. The candy has good calcium absorption effect, is in the form of candy, and is portable, easy to take and use, good in taste, easy to chew, rich in mouthfeel and good in quality. The invention also provides the preparation method of the candy, the raw materials are easy to obtain, the preparation operation is simple, and the cost is low.

The invention relates to a preparation method of a high-flash demulsifier. Currently, an ethylene oxide-propylene oxide block copolymer is mainly used as an effective component of a demulsifier in the crude oil gathering and transporting process in the oil field. Thus, the present demulsifier has low flash point and poor hydrophilicity, the application effect of the demulsifier is influenced, andsimultaneously the production, storage, transportation and onsite application of the demulsifier have safety risks. The high-flash demulsifier provided by the invention is prepared by steps of: preparation of an intermediate, preparation of an ethylene oxide-propylene oxide block copolyether, preparation of alkylbenzene sulfonate and preparation of a high-flash demulsifier. The flash point of thedemulsifier prepared by the invention is greater than 30 DEG C. The demulsifier has strong surface activity, good lypohydrophilic character and good low-temperature demulsification performance. When the temperature is less than 30 DEG C, emulsified crude oil can be dehydrated. The demulsifier provided by the invention can be applied in the field of settling tank crude oil dehydration treatment.

The invention relates to a preparation method of micro-nano lignocellulose, which comprises the following steps: (1) dispersing a lignin-containing cellulose raw material in an aqueous solution with the temperature of 50 DEG C or above to obtain a raw material dispersion liquid; (2) stripping and grinding the raw material dispersion liquid obtained in the step (1) through mechanical pretreatment to obtain a pretreated product; and (3) carrying out high-pressure homogenization on the pretreated product obtained in the step (2) by using a high-pressure homogenizer to obtain a dispersion liquid of the micro-nano lignocelluloses; and optionally, removing the solvent of the dispersion of micro-nano lignocellulose to obtain micro-nano lignocellulose. The lignin-containing cellulose raw materialcan be directly stripped to obtain the micro-nano lignocellulose, the hydrophilic and oleophylic properties of the nano cellulose are improved due to the existence of the lignin, and the micro-nano lignin cellulose is endowed with compatibility with other materials, especially compatibility with hydrophobic materials.

The invention provides a modified waterborne epoxy resin curing agent and a preparation method thereof. The modified waterborne epoxy resin curing agent is alcamines curing agent including a carbamateunit and a carbamide unit, and is prepared from raw materials including the following substances: diisocyanate, polyethylene glycol monomethyl ether, fatty polyamine and a monofunctional epoxy reactive diluents. According to the preparation method of the modified waterborne epoxy resin curing agent, the preparation route is short, reaction is mild, viscosity is low, and pressure reaction equipment is not required. Thereby, the preparation method has advantages of simple preparation process, simple operation and mild reaction condition, is suitable for industrial production, and can be widelyapplied to preparation of a protective coating for aircrafts, ships, buildings, traffic and various kinds of mechanical equipment.

The invention discloses a method for preparing weather-resistant type heavy calcium carbonate. The method includes adding limestone into smashing machines and smashing the limestone until the particlesizes of the limestone are smaller than or equal to 0.25 mm so as to obtain calcium carbonate coarse powder; adding the calcium carbonate coarse powder, water, PMA (polymethyl acrylate) and first surface modifiers into grinders and carrying out wet grinding to obtain calcium carbonate slurry; delivering the calcium carbonate slurry to high-speed stirring machines, adding second surface modifiersinto the high-speed stirring machines, uniformly stirring and mixing the calcium carbonate slurry and the second surface modifiers with one another at the high speeds to obtain mixtures and dehydrating and drying the mixtures to obtain the weather-resistant type heavy calcium carbonate. The first surface modifiers comprise polyethylene glycol di-stearate and polypropylene oxide polyoxyethylene glycerin ether. The second surface modifiers comprise N-phenylmaleimide, abietic acid diethanol amide ether sodium carboxylate and octa-aminophenyl polyhedral oligomeric silsesquioxane. The method has the advantage that the weather-resistant type heavy calcium carbonate obtained by means of surface modification is excellent in dispersibility, hydrophilic and lipophilic performance, thixotropy, processing flowability, chemical stability, weather resistance and heat resistance and can be widely applied to the industries of building materials, coating, rubber, sealants, printing ink and the like.

The invention relates to the field of well drilling in the petroleum industry. The invention particularly relates to a copolymer, a preparation method thereof, application of the copolymer as a plugging agent, oil-based drilling fluid and application of the oil-based drilling fluid. The copolymer contains a structural unit A, a structural unit B, a structural unit C, a structural unit D and a structural unit E, wherein the structural unit A is a structural unit with a structure as shown in a formula (1), the structural unit B is a structural unit with a structure as shown in a formula (2), thestructural unit C is a structural unit with a structure as shown in a formula (3), the structural unit D is a structural unit with a structure as shown in a formula (4), and the structural unit E isa structural unit with a structure as shown in a formula (5); R1, R2 and R3 are each independently H or C1-C10 alkyl. When the copolymer provided by the invention is used as a plugging agent, the problem of leakage of underground oil-based drilling fluid can be efficiently solved, and leakage pores and cracks with different sizes can be plugged.

The invention provides a method for preparing oxidized cellulose, oxidized cellulose, use of the oxidized cellulose in preparation of a detergent and the detergent. The method comprises the followingsteps: extracting a corn cob to obtain cellulose; preparing a cellulose solution from the cellulose; performing TEMPO oxidation treatment on the cellulose solution to obtain the oxidized cellulose. The oxidized cellulose obtained by the method for preparing oxidized cellulose has a spherical structure, is 20 to 30 nanometers in particle size, and has higher amphiphilicity, a high emulsification property, low toxicity and higher application value.

The invention belongs to the field of petroleum additives, and particularly discloses an environment-friendly efficient heavy oil viscosity reducer which comprises a first polymer and a composite additive, the environment-friendly high-efficiency heavy oil viscosity reducer is prepared by the following method: mixing butyl acrylate, styrene, toluene and other monomers, adding azodiisobutyronitrileas an initiator, adding sodium p-styrenesulfonate, and preparing a product C by an emulsion polymerization method, the product C being a butyl acrylate, styrene sodium and p-styrenesulfonate copolymer with high amphipathic property, and then uniformly mixing a product A and the product C to prepare a first polymer; uniformly mixing an auxiliary agent with a main agent to prepare a composite auxiliary agent; and uniformly mixing the first polymer and the composite additive to obtain the environment-friendly high-efficiency heavy oil viscosity reducer. The viscosity reducer has excellent viscosity reduction performance on thick oil.

The invention discloses an insulated cable sheath material for a high-voltage cable. The insulated cable sheath material is prepared from raw materials in parts by weight as follows: 50-60 parts of EPDM rubber, 40-50 parts of methyl vinyl silicone rubber, 30-40 parts of butyl rubber, 150-170 parts of a filling reinforcing agent, 2-6 parts of an aluminium-zirconium coupling agent, 2-4 parts of a cross-linking agent, 1-3 parts of a lubricating agent, 2-4 parts of an antioxidant and 2-6 parts of an anti-ultraviolet absorbent, wherein the filling reinforcing agent is prepared from components in parts by weight as follows: 20-28 parts of starch composite vermiculite powder, 10-20 parts of nano talcum powder, 12-20 parts of nano zeolite powder, 15-25 parts of calcined kaolin, 50-70 parts of fly ash and 20-40 parts of magnesium hydroxide. The insulated cable sheath material for the high-voltage cable has high density which can reach 1705-1748 kg/m<3>, and is good in waterproof performance, long in service life, excellent in mechanical property and free of halogen and environmental pollution.

The invention discloses paint for digital printing water-based paper coatings. The paint consists of, by weight, 40-80 parts of deionized water, 10-30 parts of hydrophilic cellulose resin, 0.3-3 partsof a thickening agent, 1-10 parts of tackifying resin, 1-10 parts of weakly acidic resin, 0.5-2 parts of a pH neutralizer, 0.1-3 parts of a mildew-resistant bactericide, 0.1-3 parts of a water-soluble levelling agent, 0.2-0.5 part of a self-leveling antifoaming agent and 0.05-0.5 part of chelate. A preparation method of the paint is also disclosed. The paint can make water-based inkjet rapid fixed and dried, have good adhesiveness and not drop powder.

The invention discloses an emulsion based on stabilizing agent, a preparation method and application thereof, belonging to the technical field of biomedicine. Chemical coprecipitation method is carried out on polylactic acid and iron halide to prepare stabilizing agent; or 1-(3 dimethylamino propyl)3 ethyl carbodiimide and polymine are further adopted for modifying to obtain stabilizing agent; stabilizing agent is mixed with water phase and oil phase to prepare emulsion, and emulsion is applied gene vector, magnetic resonance imaging contrast agent or ultrasonic diagnosis contrast agent. The stabilizing agent prepared in the invention has better hydrophily, lipophilicity and magnetism, and has certain electropositivity after modification; the prepared emulsion has magnetism and electropositivity, and a potential to be used as contrast agent for magnetic gene vector and magnetic resonance imaging; the emulsion prepared by supplying sulfur hexafluoride also has a potential to be used ascontrast agent for ultrasonic diagnosis.

The invention provides plant extract nutrient bath cream comprising the following raw materials in percentage by weight: 1-5% of wormwood extract and 0.4-10% of fat agent, wherein the fat agent is at least one of glyceryl oleate, dodecyl lactate, tridecanyl lactate, olive oil PEG-7 ester and PEG-7 glyceryl cocoate. The invention also provides a preparation method of the plant extract nutrient bath cream. The bath cream provided by the invention adopts the wormwood extract has the effect of sterilizing and relieving itching and the fat agent capable of effectively maintaining water balance of human skin as the raw materials, so that the effects of sterilizing, relieving itching and nourishing skin are provided while the requirement of cleaning the skin is met, the materials such as a non-irritant preservative substituent, a skin conditioner providing skin nutrition and a mild and high foaming surfactant are cooperated to use, and thus the effects of deeply cleaning the skin, nourishing the skin and maintaining the skin smooth and soft are achieved.

The invention relates to the field of daily chemicals and discloses moisturizing and moistening salicylic acid shower gel. The moisturizing and moistening salicylic acid shower gel is prepared from the following components in percentage by mass: 0.01-2% of salicylic acid, 0.01-20% of anionic surfactant, 0.5-10% of amphoteric surfactant, 0.05-5% of nonionic surfactant, 0.01-2% of anti-allergy component, 0.5-10% of humectant, 0.05-5% of greasing agent and the balance of pure water complemented to 100%. According to the moisturizing and moistening salicylic acid shower gel, through the application of the salicylic acid, a shower gel system structure is reasonably constructed and key parameters of the raw materials are limited, so that the use amount of the surfactant of the shower gel is small, the irritation is low, the pore blockage alleviating effect is obvious, the moisturizing and moistening effects are achieved, and then good use experience is further provided for consumers.

The invention belongs to the field of daily chemicals, and in particular relates to egg white nourishing shower gel. The egg-white nourishing shower gel comprises the following components in percentage by weight: 5-30 percent of surfactant, 1-10 percent of a moistening agent, 0.6-10 percent of egg white additive, 1-5 percent of fatliquoring agent, 0.005-0.02 percent of a sun-screening agent, 0.3-1.5 percent of sunscreen and the balance of water filled till 100 percent, and also can comprise the following components in percentage by mass: less than or equal to 2 percent of pH regulating agent, less than or equal to 1 percent of preservative, less than or equal to 3 percent of essence, and a thickening agent which is used for regulating the system to a proper thickness. The shower gel can provide moistening nutrition similar to skin secretion to skin while cleaning skin stains, and help maintain skin health.

The present invention provides a micelle composition, and a preparation method and an application thereof. The micelle composition comprises the following components in mass percentages: 0.1%-15% of modified oil containing polyethylene glycol chain segments, 0.1%-50% of a surfactant, 0.1%-10% of glycerin and the balance water. The provided micelle composition is non-irritating and uniform in particle size distribution, has the particle size of approximately 8-60 nm and mostly distributed at around 10 nm, and is stable in performance. Most importantly, the surfactant and PEG-75 shea butter glycerides are reasonably combined, so that foams are long-lasting, rich and delicate, a lower matching amount can enable the micelle composition to have integrated functions of cleaning and removing makeup, the micelle composition is mild in property, and when the micelle composition is applied in facial cleaning mousse, the transparent facial cleaning mousse can be obtained, and is good in cleaningeffect, free of dryness, astringency and tightness, and relatively high in application value.

The invention discloses a preparation method of a cellulose acetate filter membrane. The preparation method comprises the following steps: S1, modifying cellulose nanocrystals with dopamine; s2, preparing a cellulose acetate filter membrane: respectively dissolving cellulose acetate and the polydopamine-coated cellulose nanocrystals in DMAc to form a solution and a dispersion liquid so as to obtain a cellulose acetate membrane casting solution, coating a glass plate with the cellulose acetate membrane casting solution, and carrying out phase transfer to form a membrane, and stripping to obtain the polydopamine coated cellulose nanocrystal enhanced cellulose acetate filter membrane. The PDA is coated on the surface of the CNCs, so that the hydrophilicity and lipophilicity of the CNCs are improved, and the dispersity of the CNCs nano material in an organic solvent and the hydrophobic polymer matrix is improved. The PDA-coated CNCs filler is added into the CA filter membrane, so that the interface bonding force between the CNCs filler and a CA matrix is enhanced, the mechanical property and hydrophilicity of the CA membrane are improved, the tensile strength of the CA filter membrane can be remarkably improved by adding a small amount of PDA-coated CNCs, meanwhile, the filtering performance and the anti-pollution capacity of the CA membrane are improved.

The invention provides a nanometer enzyme-aerogel composite material. The nanometer enzyme-aerogel composite material is prepared from nanometer enzymes which are in in-situ growth in amphiphilic aerogel and have catalase activity. The nanometer enzyme-aerogel composite material provided by the invention has superduper hydrophilia, favorable mechanical properties, higher catalase activity and favorable biocompatibility. Aerogel synthesis raw materials of polyvinyl alcohol and maleic acid are reagents low in price and biologically friendly. The nanometer enzymes are in in-situ growth in the aerogel, so that stability and biological safety of nanoparticles are improved, and pollution of nanometer materials in biological application is reduced. The material can be repeatedly utilized, and after the material is recycled for ten times, the activity of the material is still as high as 84.9%. The detection limit of alcohol in a buffer solution is 0.50mM, the dynamic range for detecting the alcohol content in the saliva is 0.50-15mM, and the alcohol concentration range of driving under the influence of alcohol or other drugs and drunken driving in the national standard is covered.

The invention discloses a production process of a wear-resistant, stain-resistant and corrosion-resistant stainless steel plate. The production process comprises the following steps: polishing the surface of the stainless steel plate with abrasive paper, soaking the stainless steel plate with the polished surface in alkali liquor, taking out the stainless steel plate, cleaning the stainless steel plate with deionized water, airing the stainless steel plate, and forming a protective coating on the surface of the aired stainless steel plate to obtain the wear-resistant, stain-resistant and corrosion-resistant stainless steel plate. The stainless steel plate is effectively isolated from the external environment through a protective coating, so that the stainless steel plate does not make direct contact with corrosion-resistant substances, and the corrosion resistance of the stainless steel plate is effectively improved; meanwhile, the hydrophilic and lipophile properties of the stainless steel plate are improved through the coating, so that the stain resistance of the stainless steel plate is improved; and meanwhile, due to the protection of the protective coating, the service life of the stainless steel plate is prolonged, firstly, friction loss is carried out on the protective coating, so that the wear resistance of the stainless steel plate is improved. According to the production process, the surface of the stainless steel plate is coated with the protective coating through surface treatment equipment, the production efficiency of the wear-resistant, stain-resistant and corrosion-resistant stainless steel plate is improved through the surface treatment equipment, and meanwhile the production cost of the wear-resistant, stain-resistant and corrosion-resistant stainless steel plate is reduced.

The invention discloses a seawater fire extinguishing agent and application thereof. The seawater fire extinguishing agent is prepared from the following components in percentage by weight: 2%-5% of hybridized fluorocarbon betaine, 2%-5% of fluorinated alkyl betaine, 5%-15% of n-octyl alcohol ether sulfonate, 0.2%-0.5% of sodium carboxymethylcellulose, 5%-15% of dodecyl dimethyl betaine, 5%-15% of cocamidopropyl betaine and the balance being water. The seawater fire extinguishing agent can take seawater as a diluting agent and has a relatively good fire extinguishing effect.