53results about How to "Raw materials are environmentally friendly and easy to obtain" patented technology

The invention belongs to the field of ecological building materials, and provides a preparation method of a diatom ooze-artificial sandstone composite plate for ecological decoration. The preparationmethod has the advantages that diatom ooze and a photocatalyst are fixed to form a composite plate by utilizing the laser scanning, welding and foaming and the forming and curing of calcium carbonate,so that the falling of the diatom ooze and the photocatalyst is effectively prevented, and the porous adsorption characteristic of the diatom ooze and the contact area between the photocatalyst and air are better remained; when the diatom ooze-artificial sandstone composite plate is used for the internal decoration, the excellent respiration and humidity adjusting functions are realized, and theindoor heat insulation and isolation properties are realized; the photocatalyst can stably perform the photocatalytic reaction, the function of oxidizing and removing organic volatile matters in the air is realized, and the good function of killing bacteria and viruses exposed in the air is also realized.

The invention discloses a fermented bean curd-based porous carbon material. Fermented bean curd taken as a raw material is pre-carbonized to reserve a porous structure formed by fermentation of the fermented bean curd, so as to form a carbon precursor; then, the carbon precursor is subjected to alkali treatment activation and calcination to obtain the fermented bean curd-based porous carbon material, the microstructure of the fermented bean curd-based porous carbon material is in a 3D ant nest shape, and the specific surface area range of the fermented bean curd-based porous carbon material is 3000-4000 m<2>g<-1>; and the fermented bean curd is naturally fermented at low normal temperature. A preparation method of the fermented bean curd-based porous carbon material comprises the following steps: 1) preparing the carbon precursor; and 2) preparing the fermented bean curd-based porous carbon material. When the material is used as a supercapacitor electrode material, the specific capacitance value range is 420-600 F g<-1> when the current density is greater than or equal to 0.5 A g<-1>. The fermented bean curd-based porous carbon material has the following advantages: the fermented bean curd is used as a raw material, and a special microstructure is obtained under the action of gas and microorganisms generated by aging fermentation and does not need to be additionally doped; and the material has high specific surface area, abundant pores and uniform aperture.

The invention relates to a preparation method of multifunctional silk-containing fabric. Firstly, a dopamine aqueous solution is used to impregnate the silk-containing fabric; secondly, a reducing agent is used to impregnate the silk-containing fabric; and finally, a metallic compound solution is used to impregnate the fabric treated by the reducing agent to prepare the multifunctional silk-containing fabric. The LOI value of the finally obtained multifunctional silk- containing fabric is greater than or equal to 29.1%, the LOI value is greater than or equal to 26.3% after 15 times of washing,the UPF value is greater than or equal to 10.79, and the contact angle is greater than or equal to 128.5 degree. According to the preparation method of the multifunctional silk-containing fabric, thefinally obtained multifunctional silk-containing fabric has excellent flame retardant, washable, ultraviolet resistance and hydrophobic properties through the method that the silk-containing fabric is reduced by adding the reducing agent after the silk-containing fabric is modified by the dopamine. The raw materials of the preparation are environmentally friendly and can be easily obtained, and the method is low in requirements on equipment and has great popularization value.

The invention discloses an environment-friendly and durable chalk material, which is made of the following raw material components in parts by weight: 25-30 parts of titanium dioxide, 5-10 parts of attapulgite, 1-5 parts of negative ion powder, and 1-5 parts of sepiolite powder , 10‑20 parts of clay, 1‑3 parts of traditional Chinese medicine extract, 1‑3 parts of N‑(3‑triethoxysilylpropyl) glucamide, 10 parts of epoxy paraffin modified quaternary ammonium salt‑1015‑20 parts, 1-5 parts of sodium methylstearyl taurate, 1-5 parts of witch hazel tannin, 7-10 parts of oleic acid modified vegetable oil, 1-3 parts of glycerin, and 1-3 parts of ethanol. The invention also discloses a preparation method of the environment-friendly and durable chalk material. The environmentally friendly and durable chalk material prepared by the invention has the advantages of little environmental pollution, convenient use, simple manufacturing process, low cost, smooth writing, clear handwriting, good storage and transportation stability, safe and environmentally friendly use, and durable.

A cement building block formula and a processing method are disclosed, wherein the formula comprises the following components in parts by mass: 30 to 35 parts of cement; 40 to 45 parts of fly ash or 40 to 45 parts of construction waste; 25 to 30 parts of water; 2.15-2.4 parts of a foaming agent aqueous solution with the concentration of 5% and 0.13-0.20 parts of a foam stabilizer aqueous solutionwith the concentration of 10%. The cement, the fly ash, the construction waste, the water, the foaming agent aqueous solution with the concentration of 5% and the foam stabilizer aqueous solution withthe concentration of 10% are heated at the heating temperature 20-25 DEG C, mixed, stirred for stirring time of 6MIN, and cooled after the completion of the heating and stirring to obtain cement building blocks. Advantages are as follows: raw materials are environmentally-friendly and easy to obtain. According to the formula, the building blocks can be directly solidified and formed without high-temperature calcination, the production process is more energy-efficient and environmentally-friendly. The application of the cement ensures the strength and density of the building blocks, and the service life of the blocks is longer.

The invention provides a preparation method of twinborn spheroidal calcium tungstate microcrystallines, which is characterized in that raw materials comprise 0.05-0.2 mol / L sodium tungstate, 0.05-0.2 mol / L calcium nitrate and 3.8-7.6 g / L beta cyclodextrins. The method disclosed by the invention has the characteristics of environmental protection, energy conservation, high efficiency and rapidness, and the like, and prepared twinborn spheroidal calcium tungstate is regular in appearance, good in dispersibility, high in yield and good in stability, and formed spheres are 4 mu m in size, and uniform in size; and required raw materials are environment-friendly and easily obtained, and the preparation process is simple and easy to implement, therefore, the method is suitable for large-scale industrial production.

The invention belongs to the technical field of fracturing fluid additives for increasing production in oil and gas fields, and specifically relates to a degradable drag reducer for fracture and a preparation method thereof. The drag reducer is prepared from the following raw materials in percentage by weight: 2-5% of a water-soluble polymer, 10-15% of a surfactant, 8-10% of organic solvent, 0.1% of aldehydes and the balance of water. The water-soluble polymer is polyacrylamide, polyvinyl alcohol or any one of a mixture of polyacrylamide and polyvinyl alcohol in proportion ranged from 1:1 to 1:2. The organic solvent is any one of methanol or ethanol. The aldehyde is formaldehyde, oxalaldehyde or any one of a mixture of formaldehyde and oxalaldehyde in proportion ranging from 1:1 to 1:2. The drag reducer has the advantages that the drag reducer is good in resistance dimishing performance and heat stability; after fracturing construction, the residual drag reducer in the well can be degraded by microorganisms; the pollution to the stratum is avoided.

The invention belongs to the field of ecological building materials, and provides a preparation method of a diatom ooze-artificial sandstone composite plate for ecological decoration. The preparationmethod has the advantages that diatom ooze and a photocatalyst are fixed to form a composite plate by utilizing the laser scanning, welding and foaming and the forming and curing of calcium carbonate,so that the falling of the diatom ooze and the photocatalyst is effectively prevented, and the porous adsorption characteristic of the diatom ooze and the contact area between the photocatalyst and air are better remained; when the diatom ooze-artificial sandstone composite plate is used for the internal decoration, the excellent respiration and humidity adjusting functions are realized, and theindoor heat insulation and isolation properties are realized; the photocatalyst can stably perform the photocatalytic reaction, the function of oxidizing and removing organic volatile matters in the air is realized, and the good function of killing bacteria and viruses exposed in the air is also realized.

The invention relates to snowflake candle and a preparation method thereof, and belongs to the field of fine chemical engineering. The snowflake candle comprises a lampwick and a candle body which is mainly made of wax, wherein the wax of the candle body mainly consists of the following raw materials (in percentage by mass): 5-8% of soft wax, 2-5% of a plant additive, 1-3% of fragrance, 0.3-0.8% of pigment, 0.3-0.6% of an antioxidant, 0.4-0.8% of a lubricant and the balance of paraffin. The invention further provides the preparation method of the snowflake candle. The preparation method comprises the following steps: uniformly mixing the raw materials, heating to melt the raw materials, casting, cooling and forming, thereby obtaining a finished product. The snowflake candle provided by the invention is simple in preparation method, relatively low in production cost, good in comprehensive property such as the overall hardness, the surface smoothness, thermal resistance and the like, long-lasting in color and fragrance, good in snowflake effect, attractive in appearance, convenient to use and relatively good in market competiveness, and the raw materials are environmentally friendly and easily available.

The invention provides a self-thermal insulation fireproof building block formula, and belongs to the field of building materials. The building block is composed of the following raw materials in percentage by weight: 40 to 45.5% of cement, 11.4 to 17% of mineral powder, 11.4 to 17% of river sand, 26% of water, 2.3 to 2.6% of a foaming agent water solution with a concentration of 10%, and 0.13% of a foam stabilizing agent water solution with a concentration of 10%. The building block is prepared by the following steps: mixing the raw materials together, stirring, foaming, moulding, cutting, drying by wind, and curing so as to obtain the finished product. A foaming stabilizing agent is added, so the generated bubbles will not be broken easily during the production process and are evenly distributed in the moulded building blocks, and thus a better heat insulation and fireproof effect will be achieved.