73results about How to "Hydrophilic has" patented technology

The invention discloses a product turning liquid into printing and a production method thereof. A water repellent layer with colorless patterns is formed on a hydrophilic substrate, so that different areas of the substrate surface respectively have water repellency and hydrophilicity. When the substrate is wetted, the patterns of the areas of the water repellent layer with the colorless patterns can be clearly shown because of different water content. Therefore, the product turning liquid into printing has multiple uses, for example, the product can reduce visual unhappiness caused by local wetness of fabric surface when a human body sweats, can be used for showing a urine wetting function of paper diapers of children, and can also be used as textiles of face towel, bath towel and the like for the children; and when the face towel or bath towel is wetted, patterns or flowers or figures thereon can be shown vividly, and the curiosity of the children is enhanced.

The present invention provides a PVDF hollow fibre intelligent film, it is easy to cleaning, the preparing method and the product. The hydrophilicity, double-sensibility of pH and temperature and the inoxidability and the strength of the PVDF of the tricomponent polymer of the PVDF-acrylic acid-NIPA are combined, the hollow fiber film not only has the inoxidability and the strength of the PVDF, but also has the hydrophilicity, double-sensibility of pH and temperature of the tricomponent polymer of the PVDF-acrylic acid-NIPA, used for municipal sewage and industrial waste treatment and the deep treatment, and easy to clean.

The invention belongs to a polymer for purifying air and a preparation method and use thereof. The polymer is prepared from the following raw materials: acrylic acid or a derivative thereof, hydrazides compounds, amide and a derivative thereof, carbohydrate, amino acid, silicon oxide or a hydrate thereof, photocatalyst particles, a catalyst and deionized water. The polymer can be dissolved into water, and is not affected by an external factor; the process is applicable to industrial production; the polymer has the advantages of being significant in removal effect on formaldehyde, ammonia gas, benzene and peculiar smell, and stable in absorption.

The invention relates to a preparation method of a self-emulsified epoxy curing agent, wherein the preparation method comprises the following steps: a first step, adding an amine component and single epoxy functionality glycidyl ether to a container having nitrogen protection, and carrying out a reaction for 2-8 h at the temperature of 50-105 DEG C, to obtain an end-capped amine epoxy addition product; a second step, dropwise adding epoxy resin into the end-capped amine epoxy addition product, and carrying out a reaction for 1-8 h at the temperature of 20-100 DEG C, to obtain an intermediate product; and a third step, dropwise adding small molecular diglycidyl ether into the intermediate product, and carrying out an addition reaction for 2-8 h at the temperature of 20-100 DEG C, to obtain the self-emulsified epoxy curing agent. The self-emulsified epoxy curing agent has more excellent application period and physical properties, has shorter surface drying time, and can make epoxy resin cured at room temperature to form a hard paint film.

The invention discloses a preparation method of a modified silicone oil surfactant for textile. The preparation method comprises the following steps: preparing hydrogen-containing silicone oil; preparing methyl methacrylate modified silicone oil; and preparing a polyether amide modified silicone oil surfactant to finally obtain the modified silicone oil surfactant. The preparation method provided by the invention is simple in process steps, easy to control, small in injury to a human body in an operation process, small in pollution, energy-saving, emission-reducing and short in reaction time; the prepared surfactant is good in stability, good in hydrophilcity, easier to self-emulsify and better in emulsion stability, and has the characteristics of low surface tension and high activity.

The invention relates to high-solid-content anionic self-emulsified water-borne epoxy resin emulsion and a preparation method thereof, and solves the technical problems of low solid content, high VOC content, addition of an emulsifier and complex synthesis processes. The high-solid-content anionic self-emulsified water-borne epoxy resin comprises epoxy resin grafted with methacrylic acid, glycidyl methacrylate, a crylic acid monomer segmented copolymer and nano-crystalline cellulose. The invention further provides a preparation method of the high-solid-content anionic self-emulsified water-borne epoxy resin. The high-solid-content anionic self-emulsified water-borne epoxy resin can be applied to the field of preparation of epoxy resin emulsion.

The invention belongs to the field of material chemistry, and mainly provides an antifogging resin optical lens and a preparation method thereof. The antifogging agent is prepared from a pre-sol (synthesized from acrylic acids, acrylates, acrylamide, an initiator and a silane crosslinking agent), a heteropolyacid hardening agent, and an alcohol or ketone solvent. The preparation method comprises the following steps: synthesizing the pre-sol, preparing an antifogging agent, pretreating a resin optical lens, coating the antifogging agent on the lens, and curing. The antifogging resin lens prepared by the method has the advantages of favorable antifogging performance, excellent light transmittance, excellent frictional resistance and longer service life.

The invention provides an externally-applied dressing and a preparation method and an application thereof. The externally-applied dressing is formed by a composite fiber, wherein the composite fiber comprises A, a synthetic polymer, B, a natural polymer, and C, desferrioxamine. The preparation method of the externally-applied dressing comprises the steps of mixing a solution containing the synthetic polymer, a solution containing the natural polymer, and desferrioxamine to form a spinning raw material solution, and then carrying out spinning treatment of the spinning raw material solution. The invention also provides the application of the externally-applied dressing in preparation of products for treatment of traumatic skin injury.

The invention discloses a preparation method and application of a hydrophilic and antibacterial dual-modified ultrafiltration membrane, belonging to the technical field of ultrafiltration membranes. The invention aims to solve the problem that conventional ultrafiltration membrane materials are difficult to realize hydrophilic and antibacterial dual modification at the same time. The preparation method comprises the following steps: adding a condensing agent and 3-dimethylaminopropylamine into a graphene oxide suspension for a reaction, adding a cleaned reactant and long-chain halogenated alkane into an organic solvent, and carrying out a sufficient reaction at 20-80 DEG C for 8-24 hours to obtain a quaternized graphene oxide modifier; and 2, adding the quaternized graphene oxide modifierinto an organic solvent, carrying out ultrasonic dispersion to obtain a GO-Q suspension, dissolving a polymeric membrane matrix material and a membrane modifier into the GO-Q suspension to obtain a uniform membrane casting solution, and carrying out casting molding. The ultrafiltration membrane with the double functions of hydrophilicity and antibacterial performance is prepared by an immersion precipitation phase inversion method; and the modified ultrafiltration membrane shows better mechanical properties, water treatment performance, hydrophilicity and antibacterial performance.

The invention relates to a hydrophilic magnetic strong base anion exchange micro-sphere resin and a preparation method thereof and belongs to the field of resin materials. The preparation method comprises the following steps: carrying out a suspension polymerization reaction between magnetic granules and organic monomers so as to obtain hydroxylation or acyloxy styrene series copolymerized magnetic microspheres; hydrolyzing the acyloxy styrene series magnetic microspheres so as to obtain hydroxylation styrene magnetic microspheres; further carrying out a Mannich reaction among the resin whitespheres, secondary amine and aldehyde to introduce a tertiary amine structure, and introducing two tertiary amine groups into each benzene ring so as to greatly increase the exchange capacity of a resin; further carrying out an alkylation reaction of the aminated resin, thereby obtaining the resin provided by the invention. Because the resin is excellent in magnetism and settleability, a fluidizedbed adsorption process can be carried out, the treatment water capacity can be greatly increased, and the resin can be applied to separation or removal of negative electric substances such as humic acid, fulvic acid and inorganic anions in various types of wastewater, drinking water or natural water bodies.

The invention discloses a method for preparing a hydrophilic surface-crosslinked ultra high molecular weight polyethylene moulding material. The method comprises the following steps: (1) preparing the ultra high molecular weight polyethylene moulding material; (2) preparing an ultraviolet light initiator solution and a vinylsilane solution; (3) putting the ultra high molecular weight polyethylene moulding material in the ultraviolet light initiator solution, completely immersing, and radiating by an ultraviolet light with the energy density of at least 400 mJ/cm2 for 10-60 minutes, putting into the vinylsilane solution and completely immersing, radiating by an ultraviolet light with the energy density of at least 400 mJ/cm2 for 10-60 minutes, and cleaning the unreacted silane or auto-polymerized silane on the surface of the ultra high molecular weight polyethylene moulding material by absolute ethyl alcohol after finishing radiating; and (4) performing hydrolytic condensation. The moulding material obtained from the invention is high in abrasive resistance, durable in surface hydrophily and is safe in medical material application and can keep the impact-resistance strength and anti-fatigue performance.

The invention discloses a polyacrylic acid-cystamine dihydrochloride-vitamin E succinate polymer. The polymer is formed by bridging vitamin E succinate onto the main chain polyacrylic acid through diamino group, and the structural formula of the polymer is disclosed as Formula (I). The polyacrylic acid-cystamine dihydrochloride-vitamin E succinate polymer is hydrophilic and is responsive to GSH reduction, and can be used as an excellent antineoplastic drug carrier. The preparation method is simple, and is mild in conditions. The used materials are novel, and have the advantages of lower critical micelle concentration, favorable biocompatibility and favorable biodegradability. The carrier material can be self-assembled to form a micelle in water, and can be used for increasing the solubility of water-insoluble drugs and improving the distribution in vivo.

The invention belongs to the technical field of membrane electrode preparation, and particularly relates to a hydrophilic/hydrophobic membrane electrode of ionic liquids. An anode catalyst layer is prepared from the hydrophilic proton type ionic liquid and a catalyst, and a cathode catalyst layer is prepared from a hydrophobic and oxytropic proton type ionic liquid and a catalyst. A self-humidifying membrane electrode is prepared by taking the ionic liquids with special physical and chemical properties as raw materials for preparing the catalyst layers, so that the problem that the charge transfer resistance is increased due to the fact that inorganic oxide is taken as an additive for preparing the self-humidifying membrane electrode is effectively solved; the selected ionic liquids have negligible volatility, so the ion transmission capacity and stability of the membrane electrode are greatly improved; and meanwhile, the hydrophobic ionic liquid can be adsorbed into the pore channelsof the catalyst under a high-vacuum condition through a continuous vacuumizing treatment process, so that the ionic liquid can be uniformly dispersed on each surface of the catalyst.

The invention relates to a method for constructing a temperature-sensitive type carbon nanotube composite material on the basis of carbon dot modification. According to the adopted technical scheme, acarbon nanotube CNT is adopted as a substrate, and carbon dots CDs are added for ultrasonic treatment, stirring and centrifuging to obtain a composite CNT-CDs; an adjustment system is alkaline, purified NIPAM (N-isopropylacrylamide) and an initiator are added into the CNT-CDs under the protection of nitrogen for a reaction at 35-40 DEG C for 2-3 hours and a reaction at 80-90 DEG C for 4-6 hours,and centrifugal washing is carried out to obtain the temperature-sensitive type carbon nanotube composite material CNT-CDs-PNIPAM on the basis of carbon dot modification. By adopting the temperature-sensitive type composite material CNT-CDs-PNIPAM prepared by means of the method, non-destructive modification is realized, and the prepared temperature-sensitive intelligent responsive material not only maintains the properties and morphology of the CNTs but also has the temperature sensitivity of PNIPAM.

The invention provides a hydrophilic porous polyolefin material and a hydrophilic modification treatment method thereof. The surface and air voids of the material are covered with macromolecular layers which are formed by macromolecular reaction of hydrophilic modification treating fluid, and the treating fluid is aqueous solution which contains a macromolecular cross-linking agent with an amino group, polyvinyl alcohol or polyethyleneimine macromolecules or polyethylene primary amine or polyethylene amine macromolecules and strong acid catalysts. The material can be stored for longer than 3 months at the room temperature, and a contact angle of the material and pure water at the room temperature is smaller than 10 degrees. The material is extensive in application and can be applied to industries of filtration, purification, printing, dyeing, dialysis, detection and the like. The method includes: contacting a hydrophobic porous polyolefin material with the hydrophilic modification treating fluid; performing high-temperature treatment, cleaning and drying to make the hydrophobic porous polyolefin material into the permanent hydrophilic porous polyolefin material. The method is technically simple, efficient and low in production cost.

The invention relates to a reversible emulsion for controlling phase transformation through salinity, and a preparation method and a phase transformation method thereof. The reversible emulsion is composed of a reversible emulgator, water and an oil phase, wherein the reversible emulgator is composed of P(St-co-MAn-co-PVBTEAB), sodium dodecyl benzene sulfonate, petroleum sodium sulfonate and perfluoroalkyl ether potassium carboxylate FC-5. The invention also provides the preparation method and the phase transformation method of the reversible emulsion for controlling phase transformation through salinity. The mutual conversion of the emulsion between W/O type and O/W type can be conveniently and quickly controlled by adjusting the concentration of inorganic salt or a reversal agent, and thus the reversible emulsion can meet the requirements of various operation environments while being free from pollution to environment.

The invention discloses an oil removal and heavy metal removal modified walnut shell filter material and a preparation method thereof; the surface of the oil removal and heavy metal removal modified walnut shell filter material is provided with an oxidized graphene coating. The preparation method of the filter material includes the steps that walnut shell powder and oxidized graphene powder are added into a V-shaped mixer simultaneously to be stirred and mixed uniformly, then a cross-linking agent and deionized water are added, cross linking is conducted at the temperature of 50-80 DEG C for 3-3.5 hours, after the liquid phase is filtered out, absolute ethyl alcohol is washed to be neutral, drying is conducted for 1-3 hours at the temperature of 100-140 DEG C, finally a vibration screen is utilized to screen out the filter material with the particle size meeting the requirement, and a finished product is obtained. By means of the filter material, grease and heavy metal in sewage water can be removed simultaneously, the sewage treatment process is greatly simplified, sewage treatment cost is lowered, sewage treatment efficiency is high, the filter material is high in hardness, resistant to wear, good in pressing resistance, not prone to caking, large in toughness, easy to regenerate, long in replacement cycle and low in cost.

The invention belongs to the field of polymer coating materials, and discloses a waterborne light-cured modified chlorinated polypropylene coating polymer for polypropylene films, a preparation method and an application thereof. The polymer has a structure as shown in the description, wherein R is H or CH3, and n=1-8. The coating polymer is prepared by adopting chlorinated polypropylene with a similar structure to BOPP as a skeleton polymer, and performing modification of chlorinated polypropylene by various acrylates. Environment-friendly waterborne coating materials can be prepared by the coating polymer, and the coating materials have excellent adhesion to BOPP. The prepared coating materials have high surface energy, and strong bonding power, and provide printing ink with good spreading and bonding effects on the coating materials. The coating materials also contain light-curable structure, thus have light-curability, and can be embedded into a printing ink cross-linked network during printing, which improves the bonding power between the coating materials and the printing ink. The coating polymer of the invention can reach the purpose of synchronous realization of bonding power improvement between the coating and BOPP and between the coating and printing ink.

The invention discloses MPA/KH567/GO enhanced waterborne epoxy amino baking varnish and a preparation method thereof. The method comprises the following steps that: GO is prepared by using a modified Hummers method, and is modified by using a coupling agent KH567 and 3-mercaptopropionic acid, and silicon hydroxyl is introduced at the same time to leave a space for subsequent performance improvement; oo surfactant or dispersing agent is added, and the reinforcing agent modified rGO is dispersed in the waterborne epoxy emulsion by using an improved phase inversion method; a waterborne epoxy emulsifier is prepared by reacting N,N-methylene bisacrylamide, hydroxyethyl acrylate and epoxy resin E-44; the MPA/KH567/rGO enhanced waterborne epoxy amino baking varnish is obtained by uniformly mixing epoxy equivalent in the waterborne epoxy emulsion and reactive hydrogen equivalent in an amino curing agent according to a ratio of 1: 1. The baking vanish has a certain practical application value.

The invention relates to a preparation process of a moisture absorption and sweat releasing fabric, and belongs to the technical field of fabric preparation processes. The preparation process specifically comprises the following process steps: S1, spinning, namely, spinning a fiber A into a first yarn, and spinning a fiber B into a second yarn; S2, weaving, namely, by taking the first yarn obtained in the step S1 as a raw material of inner-layer cloth and the second yarn obtained in the step S1 as a raw material of outer-layer cloth, carrying out weaving to obtain double-layer gray fabric; andS3, dyeing and finishing, specifically comprising alkali deweighting, dyeing, soaping and shaping, so that the finished product fabric is obtained, wherein the fiber A is a hydrophilic fiber, and thefiber B is a hydrophobic fiber. The moisture absorption and sweat releasing fabric has the effect of being higher in moisture absorption and sweat releasing capacity.

The invention relates to a device for the determination an analyte in a sample of liquid, in particular, a sample of a body fluid with an analysis apparatus which is configured to analyse a sample ofliquid after the latter has been applied to an analytical area of a test element prepared for an analysis of the sample of liquid and an apparatus conferring hydrophilic properties configured to confer hydkrophilic properties to a surface in the analytical area (4) for the preparation of the test element.