TW201914962A - Preparation method of high-performance active composite material of zinc oxide powder for providing assistance to the process of making rubber and plastic vulcanization - Google Patents

Abstract

Disclosed is the invention relates to a preparation method of high-performance active composite material of zinc oxide powder and, more particularly, to a a manufacturing method of high-performance active composite material of zinc oxide powder for providing assistance to the process of making rubber and plastic vulcanization. The method comprises mixing alkali liquor with calcium compound; adding zinc salt solution to the mixture so as to enable a direct chemical reaction during the mixing, thereby producing a precipitant with a predetermined pH value; conducting a proper filtering and dewatering process to obtain an intermediate powdered product; drying the product properly to produce zinc oxide long crystal material with a nanometer-scale high-performance active composite.

Description

 Preparation method of high-efficiency composite active material zinc oxide powder  

The invention relates to a method for preparing a high-efficiency composite active material zinc oxide powder, which is a process for mixing zinc oxide powder by mixing and stirring reaction with a calcium-containing compound material, and appropriately removing water and drying treatment procedures to obtain zinc oxide. The liquid can form nanometer-like long crystal adhesion on the calcium compound, and provides practical effects and purposes for efficient, rapid and uniform mixing when used in industrial processing.

When the general rubber and plastic products are formulated, they usually rely on zinc oxide powder as an auxiliary agent to achieve the auxiliary production of vulcanization. The most common use of zinc-zinc ingots is the production of zinc oxide powder. The substrate is processed by a high-temperature heating and melting process of up to 1400 ° C, and is processed by a multi-processing process to extract and add a zinc powder additive material, which is used as an auxiliary additive material for vulcanization and setting of a rubber material. The processing of zinc oxide powder is not only costly, but also because of the high temperature heating and melting process and powder grinding process in the process, which is extremely troublesome and time consuming, and each process needs special equipment to form the production cost and The dependence of technical manpower makes its production cost relatively high, and the cost of use cannot be reduced. Especially in the traditional abrasive powder processing, it can only achieve the general fine mesh processing, the relative amount of materials used and the uniform mixing and mixing. The processing effect has not been effectively improved, especially in the face of meticulous and prompt processing of various materials, especially to maintain Under the conditions of product quality improvement, how to overcome the current production efficiency of zinc oxide powder and the use of fine powder particles to facilitate the use of uniform mixing, with the current production method of zinc oxide powder, it is necessary to further research and development, This is also the main reason for the development of the present invention.

The inventor is a professional rubber material supply and design manufacturer. For the above-mentioned conventional vulcanization and styling use of zinc oxide powder, the production and use of the production design does not meet the actual needs of multiple use, especially for many years in the production of materials. Experience, developed a high-efficiency composite active material zinc oxide powder preparation method of the present invention, chemical mixing, adhesion to form an intermediate material, combined with filtration, drying procedures, to achieve high-efficiency composite active material output, effectively overcome the traditional The quality of zinc oxide powder is unstable and the technical level of production is high and the inconvenience of inconvenience is lacking.

The main creative object of the present invention is to prepare a calcium-alkali mixture by mixing a lye with a calcium-containing compound by a chemical reaction, and then reacting and mixing with a calcium-alkali mixture obtained by a zinc chloride solution to obtain a set PH value. Precipitate, the reaction formula is ZnCl ₂ +2NaOH→Zn(OH) ₂ ↓+2NaCl; after filtering and removing water, it is dried to obtain high-efficiency composite active zinc oxide powder, and the reaction formula in the latter stage is Zn(OH). ) ₂ + H ₂ O ZnO provides uniform addition during the vulcanization of rubber-plastic materials, effectively improves the tensile strength and elongation of the rubber material after forming, and maintains good sulfur change data, which is in line with the practical and safe addition and use effect.

Another object of the present invention is to form a nanometer-scale laminated high-efficiency molecular powder molding by mixing and agitating and filtering the zinc oxide material powder prepared by chemical mixing and stirring, thereby facilitating processing and adding and mixing uniformly. Rapidly, not only improve the quality of the products, but also greatly reduce the number of ribs, production time and overall technology and cost, and achieve diversified and economical practical purposes.

(10)‧‧‧ Raw material processing

(11) ‧ ‧ zinc treatment

(12) ‧‧‧Filter treatment

(13)‧‧‧Drying treatment

(14)‧‧‧ finished products

The first figure is a schematic diagram of the production process of the high-efficiency composite material of the present invention.

Second figure: is a reference photograph of the appearance of zinc oxide coated on the calcium carbonate of the present invention.

Third panel: a micrograph of the zinc oxide powder particles of the present invention.

In order to facilitate the reviewer to further understand the characteristics and practical purposes of the zinc oxide material powder of the present invention, the following examples and fabrication diagrams are provided to explain in detail the following: a method for preparing a high-efficiency composite active material zinc oxide powder of the present invention, mainly Provides materials for vulcanization molding of rubber and plastic materials to make rubber vulcanization distribution more uniform, and the physical properties after molding are more practical; the zinc oxide powder material required for this purpose needs to be more detailed and can be quickly and easily taken out for use. To achieve more practical, economical, safe and practical needs, the entire process design, please match the first to third figures, the following use of the use of calcium-containing compounds in the use of examples, as follows: the entire zinc oxide powder material production and acquisition The following steps are firstly carried out, that is, the raw material processing (10) procedure, in which a calcium-containing compound is used as a main raw material, as a material for attaching and removing the material of the present invention, wherein the calcium-containing compound is generally calcium carbonate (purity 98 wt%). %) is taken and placed in the lye, and the lye is generally usually 20% by weight of hydrogen by weight The sodium (NaOH) solution is used to obtain a calcium-alkali mixture solution by mixing a calcium-containing compound and an alkali solution; and then, by a zincation treatment (11), a 99% purity zinc chloride solution is used. Diluted with water to a concentration of 40% by weight, generally used as a material with zinc bismuth, can be used to take out a quantitative zinc chloride solution, slowly add zinc chloride solution to the calcium-alkali mixture solution after raw material treatment (10), Mix and mix evenly, it can be stirred by hand or assisted by machine tool to obtain the precipitation liquid with pH value between 6.8 and 8.0, so that the two mixed solutions can be chemically mixed and controlled by acid and alkali with appropriate pH value. Stirring and mixing operation, so that it is uniformly mixed and is a suitable chemical reaction, the reaction formula is ZnCl ₂ + ₂ NaOH → Zn(OH) ₂ ↓ + 2NaCl; the precipitated liquid after mixing reaction is filtered (12) to The filtration operation of the filter cloth or the filter paper allows the contained aqueous liquid to be filtered to obtain the intermediate material of the mixed chemical reaction; and the ultrafine zinc oxide powder after the mixed reaction adheres to the original calcium compound. Body The top of the surface is laminated, and then dried (13), the intermediate product filtered after the chemical reaction is placed into the drying machine, and dried at a high temperature of 150-250 ° C for about 2 hours. Drying and drying, the finished product of the zinc oxide powder product with extremely fine and high-efficiency composite active material can be obtained (14), as shown in the photographs of the finished products of the second and third figures; and through this mixing, adhesion treatment, and filtration The net and dry-formed powder naturally forms a laminated pattern on the surface of the attached layer, and the particles can reach the fineness of the nanometer level, and can achieve the effect of saving, uniform and rapid mixing when the mixture is taken, and the whole The use of zinc oxide materials is safe and practical.

According to the invention, the zinc oxide powder is formed by a chemical reaction, and the entire processing time is greatly simplified and shortened, and the production process can be easily completed without special operation of the machine, and the technology of the actual production can be greatly reduced. It only needs to adjust the pH value to stir the zinc oxide solution and the treated calcium-alkali mixture to mix and precipitate the precipitate liquid with a relative pH value, and simply filter out the aqueous liquid fluid and directly After being placed in the drying machine for drying, the high-efficiency composite zinc oxide powder material can be produced, which greatly increases the overall production rate, effectively shortens the production time, and greatly simplifies and reduces the entire production technology. It is easy to manufacture and meets the economic and practical value. It has never been seen to have similar technology application and use for the development of a new high-efficiency composite zinc oxide powder production method. It is indeed a new and practical material for efficient use and invention in the industry.

In summary, the method for preparing a high-efficiency composite active material zinc oxide powder is obtained by taking out a mixture of a calcium compound and an alkali solution, and stirring and mixing with a zinc oxide solution to take out a precipitate liquid having a set pH, which is filtered and dried. Dry treatment to achieve the adhesion formation of high-efficiency composite zinc oxide powder, providing an economical and versatile rubber vulcanization aid, which has the effect and purpose of economical and mass production, especially high-purity nano-sized powder. With more industrial use value, the practical and economic value characteristics of its invention have already met the requirements of the invention patent application, and the patent application has been filed according to law.

Claims (6)

 The invention discloses a preparation method of a high-efficiency composite active material zinc oxide powder, which comprises a solution containing a calcium compound and zinc chloride, which is subjected to a process such as mixing, filtering and drying, and is characterized in that: raw material processing, using a calcium-containing compound as a raw material, As a material to be taken out from the mixture, it is placed in an alkali solution to obtain a calcium-alkali mixture solution; after zincing, the zinc chloride solution is slowly added to the calcium-alkali mixture solution after the raw material treatment. Stir and mix evenly, obtain a precipitation liquid with a pH value of 6.8 to 8.0, mix and mix and react with the reaction; filter the liquid to filter the internal aqueous fluid to obtain the intermediate material of the mixed chemical reaction; The intermediate material filtered by the chemical reaction is placed into the drying machine and dried at a high temperature of 150 to 250 ° C to obtain a finished product of the zinc oxide powder product of the fine and highly efficient composite active material.    A method for preparing a high-efficiency composite active material zinc oxide powder according to claim 1, wherein the calcium-containing compound is used as calcium carbonate (purity: 98% by weight).    A method for preparing a high-efficiency composite active material zinc oxide powder according to claim 1, wherein the alkali solution is used in a concentration by weight of 20% by weight sodium hydroxide (NaOH) solution.    The method for preparing a high-efficiency composite active material zinc oxide powder according to claim 1, wherein the zinc chloride solution has a purity of 99%, and when used, is diluted with water to a concentration of 40% by weight.    The method for preparing a high-efficiency composite active material zinc oxide powder according to claim 1, wherein the zinc chloride is used as a general zinc-bismuth material.    A method for preparing a high-efficiency composite active material zinc oxide powder according to claim 1, wherein the filtration treatment is performed by a filter cloth or a filter paper.