145results about How to "The production process is simple and safe" patented technology

The invention discloses a graphene-based nano iron oxide composite material and a preparation method thereof. By the method, iron oxide nano granules with uniform diameter and controllable shape and components can be loaded on graphene. The method comprises the following steps of: uniformly dispersing graphite oxide into deionized water by adopting an ultrasonic method to obtain graphene oxide solution; adding an iron salt precursor into the obtained solution and mixing the precursor and the solution uniformly, adjusting the pH of the solution, and hydrolyzing the iron salt; putting the mixed solution into a reaction kettle and performing hydrothermal reaction; and finally, cleaning and freeze-drying the obtained product to obtain the graphene-based nano iron oxide composite material. The raw materials are common and easily obtained, the cost is low, and the preparation process is simple, safe and environmentally-friendly; the prepared graphene-based nano iron oxide composite material has good structural stability and monodispersity; when the composite material is used as a lithium iron battery electrode material, the charge/discharge capacity can reach over 1,000mAh/g; and the composite material has good multiplying power performance and cycle life.

The invention discloses beautifying and antibacterial toilet soap which comprises the following raw materials: 10-13% of coconut oil, 20-23% of palm oil, 21-38.3% of olive oil, 8.5-9% of sodium hydroxide, 20-23% of water, 1-3% of bighead atractylodes rhizome water decoction, 1-3% of radix angelicae ultrasonic alcohol extraction solution, 1-3% of radix asparagi water decoction, and 0.2-2% of tea tree essential oil. The toilet soap can clean skin, is antibacterial, can remove beverage and acne, can whiten the skin, and can keep the skin smooth, tender and white.

The invention relates to a method for preparing a lithium ion battery cathode material, in particular to a method for preparing a carbon coated iron sesquioxide (Fe2O3@C) composite material. The method comprises the following steps of: uniformly dispersing an iron salt and a carbon source into deionized water to obtain mixed solution; regulating the pH of the solution and hydrolyzing the iron salt; putting the mixed solution into a reaction kettle, performing hydrothermal reaction, and cleaning and freeze-drying the obtained product to obtain a carbon precursor coated iron sesquioxide composite material; and finally, roasting the carbon precursor coated iron sesquioxide composite material under a dynamic protective atmosphere to obtain the black powdery Fe2O3@C composite material. The method has the advantages that: the raw materials are common and easily obtained, so the cost is low; the preparation process is simple, safe and environment-friendly; the prepared Fe2O3@C composite material has excellent comprehensive electrochemical performance; when the composite material is used as a lithium ion battery electrode material, the reversible charge/discharge capacity can reach about 1,500mAh/g; and the composite material has good cycle life.

The invention discloses imidazole ionic liquid with high alkali-resistant stability and application of the imidazole ionic liquid. The ionic liquid has the following chemical structure as shown in the text, wherein m is an integer between 0 to 8, n is an integer between 0 to 6, -R is one of FORMULAE, and X is one of I, Br and Cl. The ionic liquid can be used for preparing an anion exchange polymer membrane. The ionic liquid has high alkali-resistant stability; by using the imidazole ionic liquid, the alkali-resistant stability of the alkali anion exchange membrane is greatly improved; and the imidazole ionic liquid can be applied in the field of alkali fuel cells.

The invention relates to a preparation method of a high-polymer viscosity reducer for heavy oil production. According to the preparation method, by utilizing cysteamine as a chain transfer agent, a macromolecule functional monomer containing various functional groups such as nitrogen heterocyclic rings, benzene rings and ethylene oxide chain segments is prepared, then the macromolecule functionalmonomer, acrylamide, vinyl pyrrolidone, acrylic acid and a 2-acrylamide-2-methylpropanesulfonic acid water-soluble monomer are taken as raw materials, and a water-soluble polymer with a comb-shaped functional structure is prepared through aqueous solution polymerization. The product has the good dissolving property in an aqueous solution, and the viscosity of heavy oil can be lowered significantly. In addition, oil-water separation is easy under still standing of a heavy oil viscosity-reducing sample, and produced liquid is convenient to treat.

The invention discloses a high permeability nanofiltration membrane containing zwitterion and a preparation method. The nanofiltration membrane is composed of a polysulfones supporting layer and a functional layer containing a terpolymer of zwitterion group; the preparation process comprises the following steps: acquiring the water-soluble terpolymer through free radical copolymerization reactioncontaining zwitterion, preparing the copolymer and a cross-linking agent to an aqueous solution with a certain concentration, dipping one layer of the aqueous solution on the surface of the polysulfones supporting layer, then solidifying to obtain the membrane. The water flux of the nanofiltration membrane containing zwitterion is 30-45L.m-2.h-1 under the operation pressure of 0.6 MPa, and the nanofiltration membrane has high retention rate to bivalent ions with the highest of 97.5%, the retention rate to the monovalent cation is lower than 60%. The prepared nanofiltration membrane containingzwitterion has high permeability and stain resistane, the method for preparing the membrane is simple and easy which has low cost, and has good industrialization application prospect.

A preparation method for a bismuth oxyiodide/graphene oxide compound visible light catalytic material relates to a preparation method of the visible light catalytic material. The preparation method aims at solving the problems in the compound light catalytic material prepared through the existing method of being complex in operation, long in periodicity, high in requirement for devices and not suitable for large-scale production. The bismuth oxyiodide/graphene oxide compound visible light catalytic material is prepared through iodide, Bi(NO3)3-5H2O and the graphene oxide dispersion liquid. The method includes: 1 preparing graphene oxide dispersion liquid; 2 mixing and stirring iodide, Bi(NO3)3-5H2O and the graphene oxide dispersion liquid to obtain turbid liquid; and 3 conducting ultrasonic processing, then filtering, washing and drying sequentially to obtain the bismuth oxyiodide/graphene oxide compound visible light catalytic material. The preparation method is mainly used for preparing the bismuth oxyiodide/graphene oxide compound visible light catalytic material.

The invention relates to a titanium dioxide (TiO2) nanotube/ graphene composite material and a preparation method thereof. The method includes utilizing graphite as a raw material, conducting oxidizing and peeling to obtain graphene oxide stably dispersed in solution, conducting suction filtering and drying to obtain graphene oxide powder, stirring TiO2P25 nanometer particles, alkali liquid and alcohol organic solvent in mixing mode, then adding the the graphene oxide powder into the mixture to be dispersed, delivering obtained mixed liquid into a reaction kettle, conducting closed reaction, conduct cooling to the room temperature, conducting separation to obtain white precipitate and conducting washing and burning to obtain the TiO2 nanometer/ graphene composite material. The TiO2 nanometer/ graphene composite material is high in solar energy utilization ratio, free of self particle agglomeration and free of re-accumulation of graphene slice layers. Simultaneously, raw materials are easy to obtain and low in cost. The preparation process is simple and safe. The material has potential application value in the fields of electrode materials, photocatalysis, solar energy splitting water, solar cells, environment and the like.

The invention relates to an anion exchange membrane based on fluorinated polybenzimidazole and a preparation method of the anion exchange membrane. The general structure formula of the anion exchangemembrane based on the fluorinated polybenzimidazole comprises a repetitive unit as shown in formula (1), in formula as shown in specification, n is degree of polymerization; x is an integer of 2-12, yis an integer of 0-11; and R is H, methyl, ethyl, isopropyl or phenyl. The prepared membrane has excellent mechanical property, alkali resistance, heat resistance, low water absorption and high electrical conductivity; and moreover, the preparation process of the membrane is relatively simple and safe, and chloromethyl ether as a cancerogenic substance used in a preparation process of a traditional quaternary ammonium salt type anion membrane is avoided.

The invention relates to degradable highly-elastic sponge and a preparation technology thereof. The degradable highly-elastic sponge and the preparation technology thereof have the advantages that thedegradable highly-elastic sponge is made of green, natural and healthy materials according to the environment-friendly preparation technology, harmless to human bodies and capable of avoiding resource waste and environment pollution, and its mechanical properties including rebound resilience and compression set value are in compliance with the international standards; through adoption of recyclable pineapple fibers, resource waste is reduced and physical properties of low-density sponge with natural latex matrixes are improved to comply with the international standards; sodium alcohol ether sulphate and sodium lauryl sulfate which serve as foaming agents substitute for traditional pollutional ones to further avoid pollution; the high-performance low-density sponge with the excellent mechanical properties can be produced at a low preparation cost; the preparation technology is safe, simple and environment friendly.

The invention discloses rose flower cold-made handmade soup and a manufacturing method thereof. The soap is mainly characterized in that main raw materials comprise rose flower olive dipped oil, coconut oil, rice bran oil, rose flower hydrosol, NaOH and rose flower essence oil. The method includes 1) mixing the rose flower olive dipped oil, the coconut oil, the rice bran oil, and the like according to a ratio and heating to 40-50 DEG C, 2) adding the froze rose flower hydrosol into the NaOH, fully mixing, and cooling to 40-50 DEG C, 3) slowly adding the NaOH into the mixed oil until the NaOH and the oil are fully mixed, 4) adding the rose flower essence oil or rose flower essence and fully stirring, 5) adding a small amount of fresh or dry rose flowers and fully stirring, and 6) moulding by reserving a mould. The soap has functions of whitening skin, fading speckles, improving dry, coarse, dark, gloomy, oily and acne skin, and the like. Fragrance of rose flowers can slowly eliminate anxiety and depression, boost mood, restore mental equilibrium and relieve pressure. The soap is suitable for persons with various skin types. The soap is a purely natural product and is free of any harm to human bodies.

The invention discloses a preparation method of a cellulose acetate nano filter membrane. The preparation method comprises the following steps: 1) the cellulose acetate is put into a solvent, stirred, added with a nonsolvent additive and stirred, then a mixture is obtained, the mixture stands still, and then casting membrane liquid is obtained; 2) the casting membrane liquid is made into a wet membrane with the thickness being 250mum by striking, then the wet membrane stands still in the air; (3) the wet membrane treated by the steps is immersed in distilled water for gel bath treatment, therefore, an asymmetrical membrane is obtained; and 4) ethanol water exchange treatment and pure cyclohexane exchange treatment are sequentially carried out on the asymmetrical membrane, then the cellulose acetate nano filter membrane is obtained. The nano filter membrane obtained by the preparation method has big flux and obvious separating effect.

The invention relates to a preparation method of a cadmium telluride quantum dot, which comprises the following steps: using CdCl2 as the Cd source, Te powder as the Te source and water as the solvent to respectively prepare Cd and Te precursor solutions; using mercaptopropionic acid as the stabilizer for quantum dot generation; and then, mixing the Cd and Te precursor solutions, and heating in water bath for reaction to obtain the CdTe quantum dot. Compared with the prior art, the invention has the following advantages: the reagents are low in price, have stable properties in air and can react without special instruments and equipment by simple operation, and the prepared CdTe quantum dot has favorable water solubility, dispersibility and stable fluorescence.

The invention discloses a preparation method of a titanium dioxide nano-tube-array photo-electrode used for removing organic pollutant. The method comprises five steps. A tungsten trioxide-titanium dioxide nano-tube array is prepared by using a tungsten-titanium sheet with a one-step constant-current constant-voltage anodization method. Graphene modification is carried out with an absorption reduction method. The preparation method is simple and safe. Reaction is fast, and is easy to control. The application of toxic substances is avoided, such that the method is green and environment-friendly. The prepared nano-tubes have regular and ordered morphology, and are non-toxic and stable. Compared with a pure titanium dioxide nano-tube array, photo-catalytic activity of the nano-tube array provided by the invention under visible light is greatly improved. Under sunlight irradiation, the photo-electrode provided by the invention can be used for carrying out photo-catalytic treatment upon wastewater comprising dyes, nonylphenol and alachlor, and good removal effect can be provided.

The present invention relates to a feature beautifying and skin nourishing nutrient composition and belongs to the technical field of nutritional and health-care food. The nutrient composition is characterized by adding a grape seed extract, a fructus hippophae extract, vitamin C and vitamin E on the basis of collagen peptides. Advantages are as follows: the collagen peptides are reasonable in proportions and each of the raw materials has obvious synergistic effects, so that the nutrient composition has the feature beautifying effects of removing wrinkles and whitening skin, and moisturizing skin. Besides, the collagen peptides are good in color and luster, and mouthfeel, and do not bring harmful, toxic and side effects to the body in a normal consumption. At the same time, the production technology is safe and simple, and high in operability, can achieve good economic benefits, and also has significant social benefits.

The invention provides a silane-terminated polyether, which has a structural general formula shown in the description. The invention also provides a preparation method of the silane-terminated polyether, and the preparation method comprises the following steps: adding hydroxyl-terminated polyether into a reaction kettle; vacuumizing at the high temperature of 80-120 DEG C to remove water for 2 hours; adjusting the temperature to 90-150 DEG C, and adding anhydride to prepare carboxyl-terminated polyether; adjusting the temperature to 100-120 DEG C, adding glycidyl ether alkoxy silane and a triphenylphosphine or ammonia catalyst, and continuously reacting; and cooling and discharging to obtain silane-terminated polyether resin. The preparation method provided by the invention is simple and safe in production process, and common, easily available and low in purchasing cost in production raw materials.

The invention discloses a moringa oleifera facial mask which is prepared from the following ingredients in percentage by weight (100%): 10-20% of moringa oleifera leave extracts, 5-8% of moringa oleifera seed oil, 2-5% of honey, 10-20% of silk polypeptide, and the balanced of deionized water. The raw materials of the moringa oleifera facial mask are extracted from pure natural plants, so that the moringa oleifera facial mask has the efficacies of oxidation resistance, bacteria resistance, inflammation resistance and the like, is capable of promoting skin restoration, restraining accumulation of melanin and whitening skin, and is obvious in skin regeneration efficacy. The invention also discloses a preparation method of the moringa oleifera facial mask. The preparation method is simple and safe in preparation process and high in operability.

The invention provides environment-friendly high-adhesion building primer and a preparation method thereof. The primer comprises a polymer emulsion, a potassium silicate solution, a pH regulator, a freeze-thaw stabilizer, a dispersing agent, a wetting agent, a defoaming agent, pigment, a thickening agent, a coalescing agent, a base material wetting agent and water. The potassium silicate solutionand the cement in the base material belong to silicate inorganic substances and have very good compatibility, and the molecular-level potassium silicate solution can easily wet and permeate into capillary holes of the base material under low surface tension, so that the alkali efflorescence resistance of the primer is improved, the base material is reinforced, and the bonding strength of the basematerial and the primer is improved. Besides, the primer is excellent in performance, all raw materials adopted are environment-friendly and low-odor, harmful substances such as VOC, formaldehyde, heavy metals, APEO and a biocide are not added artificially, the produced product is non-toxic and odorless, and therenewable potassium silicate solution is used as a film forming substance.