610results about How to "The preparation process is simple and environmentally friendly" patented technology

A supersonic chemical preparation method for grapheme quantum dots relates to a preparation method for grapheme quantum dots, and especially relates to a method for preparing a grapheme quantum dot solution with the characteristics of good monodispersity and luminescence performance using a simple and environmentally friendly process with cheap carbon black or graphite powder as the raw material. The preparation method provided in the invention is characterized by adding a dispersant into carbon black or graphite and obtaining grapheme quantum dots under the action of supersonic wave. The grapheme quantum dot solution prepared in the invention has the characteristics of luminescence, monodispersion, water-solubility, etc.

The invention provides a preparation method for a silicon nano material and application. The preparation method comprises: mixing a silicon source, a reducing agent and fused salt and carrying out a reaction under a sealed condition to obtain the silicon nano material, wherein the reducing agent is a metal. Compared to the prior art, the silicon source is reduced in a fused salt system. The raw materials used are cheap, the reaction temperature is reduced as a result of the fused salt, and no organic solvents are added, so that the preparation flow is simple and environmental-friendly.

A hericium erinaceus and grape dried fruit for nourishing stomach is prepared from the following raw materials in parts by weight: 400-420 parts of grape pulp, 50-60 parts of hericium erinaceus, 30-40 parts of peas, 35-40 parts of sweet potato, 30-35 parts of carrot, 60-70 parts of bayberry juice, 90-100 parts of rice wine, 30-35 parts of hawthorn, 30-35 parts of jujube, 2-25 parts of white sesameseed, 20-25 parts of purple cabbage, 10-15 parts of nori powder, 20-30 parts of milk powder, 3-5 parts of pagoda flower powder, 5-6 parts of kudzuvine root and 5-7 parts of dried orange peel. The preparation process of the hericium erinaceus and grape dried fruit for nourishing stomach is simple and environmentally friendly. By adding the ingredients of hericium erinaceus, bayberry juice, and rice wine and so on, the dried fruit has the function of nourishing stomach and promoting appetite and the nutrition of the dried fruit is enriched. In addition, extracts of Chinese medicinal materials such as pagoda flower powder, kudzuvine root, dried orange peel, prepared rehmannia root and maitake are added, so that the dried fruit has very good health care function and is recommended to most of people.

The invention belongs to the technical field of productions of chemical products, in particular to a method for preparing 5-hydroxymethylfurfural. The method includes steps of taking a macromolecular polyphosphazene polymer matrix as a solid acid type heterogeneous catalyst, taking monosaccharide, disaccharide or polysaccharide as raw materials, reacting for 5minutes to 24 hours in single-component solvent or double-component solvent such as dimethyl sulfoxide, acetonitrile, methyl isobutyl ketone, water and the like at the temperature of 25-120 DEG C under normal pressure, and finally producing the 5-hydroxymethylfurfural efficiently. The method has the advantages that conversion efficiency of raw material is high, HMF selectivity is good, operation conditions are mild, reaction speed is high, the processing is simple and environment-friendly, the catalyst is easy to prepare and the like, corrosion to equipment and environment pollution due to common liquid strong-acid homogenous catalysts are avoided, and a new way is developed for preparing commodity chemicals and substitute fuels according to regenerative biological resources.

The invention discloses an ionic crosslinking thermoplastic elastic body and a preparation method of the ionic crosslinking thermoplastic elastic body. The ionic crosslinking thermoplastic elastic body is prepared from the following ingredients in parts by mass: 100 parts of rubber, 2 to 20 parts of organic carboxylic acid, 0.1 to 2 parts of initiating agent and 2 to 30 parts of metallic oxide, metal hydroxide and/or metal chloride. The ionic crosslinking thermoplastic elastic body prepared by the method has good mechanical performance, the tensile strength of the ionic crosslinking thermoplastic elastic body at least reaches 6MPa, the tension fracture elongation at least reaches 700 percent, the Shore hardness (A) at least reaches 63, and the differential scanning calorimetry (DSC) glass-transition temperature can reach 10 DEG C. The preparation process of the ionic crosslinking thermoplastic elastic body is simple, and the preparation process and the product are environment-friendly, and the ionic crosslinking thermoplastic elastic body is expected to be widely applied to the fields of shoes, sealing rings, automobiles, oil transmission pipelines and the like.

The invention provides a heat-conducting plastic master batch, a preparation method thereof and heat-conducting plastic. The heat-conducting plastic master batch comprises resin, graphene, carbon nanotubes and a micron-sized inorganic heat-conducting filler. Thus, the nanoscale graphene and carbon nanotubes and the micron-sized inorganic heat-conducting filler complement each other in geometric dimensions and dimensions, the accordingly generated synergistic effect not only can significantly improve the heat-conducting performance of the heat-conducting plastic master batch, but also ensures the uniform dispersion of the graphene, carbon nanotubes and inorganic heat-conducting filler in the resin to obtain the heat-conducting plastic master batch with high filling density and uniformity; the mixing method can increase the filling ratio of the graphene, obtain the concentrated master batch of a network structure (heat-conducting network) formed by the graphene, the carbon nanotubes andthe inorganic heat-conducting filler in the resin, and the good construction of the heat-conducting network structure can significantly improve the heat-conducting performance of the heat-conducting plastic master batch and also improve the mechanical strength and impact toughness of the heat-conducting plastic master batch.

The invention discloses a preparation method of a nano antimony tin oxide (ATO) transparent insulation film. The method comprises following steps: 1) preparation of a nano ATO slurry: mixing an ATO nanopowder and a dispersant according to proportion and stirring thoroughly, and regulating a pH value to prepare the nano ATO slurry; 2) preparation of a nano ATO thermal insulation coating: mixing the nano ATO slurry and aqueous polyurethane, adjusting a pH value, adding a leveling agent, a defoaming agent and a thickener for dispersion, so as to prepare a nano thermal insulation coating; and 3) preparation of a transparent insulation film: immersing a clean glass substrate in the prepared nano thermal insulation coating liquid, and preparing a transparent film on the glass substrate by using a spin coating method / Czochralski method / bar coating method. The nano ATO transparent thermal insulation film prepared by the method provided by the invention has high visible light transmittance and infrared barrier property, and is suitable for building thermal insulation glass. The film preparation process is simple, environment-friendly, low-cost, and can form a uniform film with large area.

The invention discloses a biochar soil remediation agent and a preparation method thereof. The biochar soil remediation agent is prepared from titanium dioxide supported biochar, compost materials, compound fertilizer, a biological bacteria solution, clay, a binder and microelements; the preparation method of the biochar soil remediation agent comprises steps as follows: preparation of titanium dioxide supported biochar, preparation of the compost materials, preparation of the biological bacteria solution, preparation of the clay, preparation of a mixed material coated with biochar, pelletizing and drying. The preparation process is environmentally friendly and simple to operate, the raw materials are widely sourced, the prepared soil remediation agent not only can adsorb and degrade pollutants in soil, but also increases content of organic matter and microorganisms in the soil, and accordingly, economic benefit and environmental benefit are remarkably increased.

The invention discloses a preparation method of a quaternized halamine antibacterial cotton fiber. The preparation method disclosed by the invention comprises the following steps of: taking common cotton cloth as a carrier, grafting hydrolyzed alkylsilane on cotton cloth, then carrying out quaternization between a tertiary amine functional group and an alkylhalide group on the cotton cloth to graft a halamine precursor containing the tertiary amine functional group to the cotton cloth to form the cotton cloth carrying a quaternized halamine precursor; and finally, carrying out halogenation reaction to obtain quaternized halamine antibacterial cotton cloth. The process disclosed by the invention avoids synthesizing quaternized halamine precursor silane before grafting, and the synthesis consumes time and energy and needs to use an organic solvent.

The invention discloses a preparation method of a water dispersible granule medicinal fertilizer, which comprises the following steps of: firstly preparing fillers, sterilizing agents, compound activating agents, micro element fertilizers and a compound assistant which are required for preparing the medicinal fertilizers according to component proportion of different medicinal fertilizers, wherein the sterilizing agents contain liquid raw materials; then, taking a part of fillers for adsorbing the liquid raw materials, adding rest of other components and uniformly mixing to obtain a raw material mixture; carrying out air current pulverization on the raw material mixture to be below 15 microns to obtain wettable powder; controlling the granularity D98 to be less than or equal to 15 microns and the suspension ratio to be over 80 percent; taking water-borne binder solutions and mixing the water-borne binder solutions with the wettable powder, and obtaining an intermediate product through squeezing granulation-drying or boiling granulation; and finally, screening to obtain the water dispersible granule medicinal fertilizer product with the required grain size. The preparation process has the advantages of environmental friendliness, security, low cost, capability of guaranteeing product quality and the like.

The invention discloses a high-reliability fast curing underfill adhesive, which is characterized by comprising the following raw materials by weight portion: 45 to 75 portions of resin, 20 to 25 portions of specially processed silicon powder, 0.5 portion of colorant, 20 to 25 portions of curing agent, 1 to 6 portions of curing accelerant, 0.1 to 3 portions of coupler, 10 to 15 portions of cycloaliphatic epoxy resin and 15 to 25 portions of epoxy active diluents. The preparation method of the high-reliability fast curing underfill adhesive comprises the following process steps: a, pretreatment, in which the resin is roasted for one night at 70 to 75 DEG C; and b, mixing, in which the resin, the cycloaliphatic epoxy resin and the coolant are first uniformly mixed and then added with by three times the specially processed silicon powder followed by the curing agent and the curing accelerant, the uniformly mixed materials are added into a reaction kettle, the reaction kettle is completely vacuumized for 15 minutes, the coupler and the epoxy active diluents are added after the resin and the curing agent are mixed uniformly, the reaction kettle is completely vacuumized for 30 minutes, and the product is obtained. The product has the advantages of low curing temperature, high curing speed, high flowing speed, excellent storage stability, simple, easy and environmentally-friendly preparation process, low cost and wide application range.

The invention discloses a nano-porous Pd material prepared through quasi-crystal de-alloying and a preparation process of the nano-porous Pd material, belonging to the technical field of new materials. The nano-porous Pd material contains 8-12at.% of Al, less than 1at.% of TM and the balance of Pd in percentage by atom. A precursor namely a quasi-crystal alloy required for preparing the material is low in cost, and the overall technological process is environment-friendly, simple and efficient; a prepared nano-porous structure is complete. The quasi-crystal alloy with special structures is used as the precursor, and the chemical composition of the quasi-crystal alloy is Al1-x-yPdxTMy (TM is Mn, Co, Fe, Cr, V or Mg, wherein x is more than or equal to 10at.% and is less than or equal to 25at.%, and y is more than or equal to 3at.% and is less than or equal to 15at.%); by putting the quasi-crystal alloy into a dilute saline solution under room temperature, the nano-porous Pd material can be obtained through an electro-chemical de-alloying process with a constant-voltage mode in a voltage range of 0-0.2V (a reference electrode is a saturated calomel electrode). Prepared nano-porous Pd is uniform in structure, stable in pore and ligament size and unordered in crystallographic orientation, shows excellent room-temperature ethanol/methanol electro-oxidation reaction catalytic performances in alkaline solutions, can keep the high catalytic performances after being used repeatedly for many times, and can be applied to an anode catalyst of a fuel cell such as an alkaline ethanol cell and the like.

The invention relates to a composition with a long-acting moisturizing effect. The composition is characterized by being prepared from the following components in parts by mass: 0.5 to 2.5 parts of glue mixture, 1.0 to 3.0 parts of plant polysaccharide mixture, 0.1 to 1.0 part of collagen mixture, 0.1 to 1.0 part of amino acid mixture, 25 to 45 parts of PEG (Polyethylene Glycol)/PPG(Polypropylene Glycol)/polybutylene glycol-8/5-/3 glycerin, 0.50 part of phenoxyethanol and the balance of deionized water, wherein the composition has the rotary viscosity of 800cp to 2,600cp after being subjected to high-pressure homogenization. The composition has the long-acting moisturizing effect.

The invention discloses a preparation method of a polyethylene antimicrobial packaging film. The preparation method is characterized by comprising the following steps of adding 0.3 to 1.0 part by weight of silver-loaded nano titania antimicrobial agent into 100 parts by weight of polyethylene resin; then adding 0.06 to 0.24 part of antioxidant 1076 and 0.04 to 0.16 part of auxiliary antioxidant 168; sufficiently mixing in a high-speed mixer, then granulating, drying and blowing film to prepare the polyethylene antimicrobial packaging film. Compared with the prior art, the preparation method disclosed by the invention has the beneficial effects that silver-ammonia ions are induced to form a strong interaction with the surface of titania by regulating a pH value; the silver-ammonia ions are reduced by using a water extract of a biomass loquat fruit, and further uniform compounding of silver and titania at the nanoscale is realized; no dispersing agent is needed, so that a preparation process is green and environmentally-friendly; the antibacterial rate of the prepared polyethylene antimicrobial packaging film to escherichia coli and staphylococcus aureus reaches 90 percent or above; the polyethylene antimicrobial packaging film is non-toxic, safe and sanitary.

The invention discloses a nanometer lignin carbon-zinc oxidecomposite material as well as a preparation method and application thereof. The method comprises the following steps: (1) dissolving ligninin an alkaline solution, carrying out hydrothermal pretreatment, conducting cooling, and adjusting a pH value to 3-5 to obtain an acid-soluble lignin solution; (2) adding a mixed solution of soluble zinc salt and soluble carbonate into the acid-soluble lignin solution, conducting a hydrothermal reaction, then adding aldehydes, and continuing the hydrothermal reaction to obtain a ploycondensed lignin/zinc oxide compound; and (3) carbonizing the polycondensed lignin/zinc oxide compound to obtain the nanometer lignin carbon-zinc oxidecomposite material. In the obtained nanometer lignin carbon-zinc oxidecomposite material, lignin carbon uniformly coats the surfaces of zinc oxide particles to form a uniform carbon layer with a continuous structure, so the problems of serious volume expansion and poor conductivity of zinc oxide serving as a lithium ion negative electrode material are solved, and the specific capacity, the initial coulombic efficiency and the rate capability of a lithium ionbattery are improved.

The invention relates to a preparation method of a binderless ZSM-5 molecular sieve, and is mainly to solve the problem that the employment of organic amine in the production process of binderless molecular sieve leads to contaminations easily in the prior art. The preparation method of the binderless ZSM-5 molecular sieve of present invention comprises the following steps: firstly, mixing and molding the ZSM-5 molecular sieve powder and an amorphous silica binder, drying, processing by water vapor or inorganic ammonia-containing vapor to convert into the binderless ZSM-5 molecular sieve to get the binderless ZSM-5 molecular sieve, wherein the binder content is from 0 to 10%, the specific surface area of BET is from 330 to 380 m<2>/g, Langmuir specific surface area is from 440 to 500 m<2>/g, and the relative crystallinity is from 87 to 100%. The technical solution solves the problem well, and can be used for the industrial production of ZSM-5 molecular sieve catalyst.

The invention relates to a preparation method of a temperature-sensitive hollow nanofiber membrane. The preparation method comprises the following steps: copolymerizing temperature-sensitive monomers,monomers capable of forming physical crossing points and monomers capable of forming chemical crossing points by heating by free radical solution polymerization to obtain a temperature-sensitive polymer; adding the temperature-sensitive polymer in a solvent and stirring to obtain a polymer solution as a shell spinning solution, taking viscous oil as a core layer spinning solution, and carrying out coaxial electro-spinning to obtain a nanofiber membrane with a core-shell structure; and carrying out heat treatment, and extracting the core layer viscous oil by an organic solvent to obtain the final product. By the coaxial electro-spinning method, the outer diameter, inner diameter and wall thickness of a product can be controlled effectively, a preparation process is environmentally friendly, and conditions are gentle. The obtained temperature-sensitive hollow nanofiber membrane can stably exist in water and cannot be dissolved, has rapid temperature sensitivity, and can be applied to atemperature sensor, a drug controlled release carrier, a cell culture substrate or a support, oil-water separation or biological substance purification film.