阅读说明：本技术 一种高效复合活性材料氧化锌粉末的制备方法 (Preparation method of high-efficiency composite active material zinc oxide powder ) 是由 陈杼町 吕书纬 于 2019-04-22 设计创作，主要内容包括：本发明的一种高效复合活性材料氧化锌粉末的制备方法是一种提供橡塑料成型硫化制备辅助用的高效复合活性氧化锌材料粉末的制备方法,主要在通过以碱液与钙化合物的混合,配合锌盐溶液添加,使其直接进行化学反应混合,藉以获得预定PH值的沉淀液,经适当滤净除水程序,得到粉末状中间产物,将其适当烘干,制成具纳米级高效复合活性的氧化锌长晶材料,提供氧化锌粉末产业的多元利用目的。(The invention relates to a preparation method of high-efficiency composite active material zinc oxide powder, which is a preparation method of high-efficiency composite active zinc oxide material powder for providing auxiliary use for rubber plastic molding vulcanization preparation.)

1. A preparation method of high-efficiency composite active material zinc oxide powder comprises the steps of mixing, filtering, drying and other processes of a solution containing a calcium compound and zinc chloride, and is characterized in that:

treating raw materials, namely taking a calcium-containing compound as a raw material, taking a mixed and taken material attachment main body, and putting the mixed material attachment main body into alkali liquor for mixing to obtain a calcium-alkali mixture solution; then pass through

Zinc treatment, namely slowly adding a zinc chloride solution into the calcium-alkali mixture solution after the raw material treatment, uniformly stirring and mixing to obtain a precipitation solution with the pH value of 6.8-8.0, and uniformly stirring and mixing to perform reaction operation;

filtering to remove water to obtain intermediate material for mixed chemical reaction; then passes through

And (3) drying, namely putting the intermediate material filtered by the chemical reaction into a drying machine, and drying at a high temperature of 150-250 ℃ to obtain a finished product of the zinc oxide powder product of the fine and efficient composite active material.

2. The method of claim 1, wherein the calcium-containing compound is calcium carbonate with a purity of 98 wt%.

3. The method for preparing high efficiency composite active material zinc oxide powder as claimed in claim 1, wherein the alkali solution is used as NaOH solution having a concentration of 20 wt%.

4. The method for preparing high efficiency composite active material zinc oxide powder as claimed in claim 1, wherein the zinc chloride solution has a purity of 99%, and when in use, the zinc chloride solution is diluted with water to a concentration of 40 wt% for use.

5. The method for preparing high efficiency composite active material zinc oxide powder according to claim 1, wherein the zinc chloride is used as a common zinc salt material.

6. The method for preparing high efficiency composite active material zinc oxide powder according to claim 1, wherein the filtration treatment is performed with a filter cloth or a filter paper.

[ technical field ] A method for producing a semiconductor device

The invention relates to a preparation method of high-efficiency composite active material zinc oxide powder, which is characterized in that the zinc oxide powder is prepared by calcium-containing compound materials through processes of mixing, stirring, reacting and the like, and through proper procedures of filtering, removing water and drying, the zinc oxide liquid can form nano-scale crystal growth adhesion on calcium compounds, so that the practical effects and purposes of high efficiency, rapid and uniform mixing and use are achieved when the zinc oxide powder is used for industrial processing.

[ background of the invention ]

In the production and shaping of general rubber and plastic products, zinc oxide powder is usually relied on as an auxiliary agent to achieve the auxiliary preparation and use of vulcanization shaping, the commonly used zinc oxide powder is prepared and supplied, most commonly, a metal zinc ingot is used as a base material, the base material is processed by a high-temperature heating and melting method up to near 1400 ℃, the base material is prepared by multiple processing procedures, so that an additive material of the zinc powder can be extracted and prepared to be used as an auxiliary additive material in the vulcanization shaping of rubber materials, the processing of similar zinc oxide powder has high cost, the processing procedures of high-temperature heating and melting preparation, powder grinding and the like in the procedures are extremely complicated and time-consuming, each procedure needs special equipment, the dependence of production cost and technical labor is formed, the production cost is relatively high, the use cost cannot be reduced due to the connection, and the traditional grinding powder processing is particularly adopted, the method can only achieve general fine particle processing, and cannot effectively improve the processing effect relative to the material using amount and uniform adding and mixing, so that under the condition of meeting the requirements of fine and rapid processing of various materials, particularly under the condition of keeping the production requirement of improving the product quality, the method overcomes the production efficiency and the refinement of the used powder particles of the existing zinc oxide powder so as to facilitate the use requirement of uniform mixing, and has the need of further research and development improvement by using the preparation mode of the existing zinc oxide powder, which is also the main reason of the development and research of the invention.

[ summary of the invention ]

The invention relates to a preparation method of high-efficiency composite active material zinc oxide powder, which is developed by artificial professional rubber material supply and design manufacturers for the zinc oxide powder of the traditional vulcanization shaping use auxiliary agent on the aspects of production, use, preparation and design, does not meet the fact of actual multiple use requirements, and is especially based on the experience of material production and use for many years.

The main invention aims to provide the following advantages: mixing alkali liquor and a calcium-containing compound through chemical reaction assistance to obtain a calcium-alkali mixture; then zinc chloride solution is mixed with the taken calcium-alkali mixture to obtain a precipitation solution with a set PH value, and the reaction formula is ZnCl₂+2NaOH→Zn(OH)₂↓ +2 NaCl; filtering to remove water, oven drying, and collectingObtaining high-efficiency composite active zinc oxide powder, the reaction formula of the rear section of the powder isWhen the rubber and plastic material is vulcanized and molded, uniform addition is achieved, the tensile strength and the elongation percentage of the molded rubber material are effectively improved, good sulfur variation is kept, and the efficacy purpose of practical and safe addition and use is met.

Another object of the invention is: the zinc oxide material powder prepared by chemical mixing and stirring is subjected to mixing, stirring, filtering and drying attachment design, so that nanoscale laminated high-efficiency molecular powder molding is achieved, the processing and adding are convenient, the mixing is uniform and rapid, the product quality is improved, the working hours and the overall technology and the cost of adding an auxiliary agent and producing can be greatly reduced, and the practical purposes of multiple use and economical and practical conformity are achieved.

[ description of the drawings ]

FIG. 1 is a schematic diagram of a process for producing a high efficiency composite material according to the present invention.

FIG. 2 is a reference photograph of the appearance of the calcium carbonate coated with zinc oxide according to the present invention.

Fig. 3 is a schematic micron photograph of the zinc oxide powder particles of the present invention.

[ detailed description ] embodiments

In order to facilitate the examiner to further understand the characteristics and practical purposes of the zinc oxide material powder of the present invention, the following examples and preparation schemes are combined, and the details are described as follows:

the preparation method of the high-efficiency composite active material zinc oxide powder mainly provides an additive material for vulcanization molding of rubber and plastic materials, so that the rubber vulcanization distribution is more uniform, and the physical properties after molding meet practical efficacy; the zinc oxide powder material required for this purpose is needed to be more delicate and can be taken out quickly and easily to meet the requirements of more practical, economical, safe and practical use, and the whole process design is shown in fig. 1-3, and the following working examples prepared from calcium-containing compounds are described as follows: the preparation and the obtaining of the whole zinc oxide powder material are summarized as follows, namely, the raw material processing (10) procedure is firstly carried out toA calcium-containing compound is used as a main raw material, and is taken as a material attachment main body of the mixed material taking out of the invention, wherein the calcium-containing compound is generally taken as calcium carbonate (with the purity of 98wt percent) and is put into an alkaline solution, and the alkaline solution is generally used as sodium hydroxide (NaOH) solution with the concentration of 20wt percent by weight, and a calcium-alkali mixture solution is obtained through the mixing action of the calcium-containing compound and the alkaline solution; then through zinc processing (11) procedure, adding water into zinc chloride solution with 99% purity to dilute and prepare the zinc chloride solution with 40 wt% concentration, filling the zinc chloride solution with zinc salt material, taking out quantitative zinc chloride solution, slowly adding the zinc chloride solution into calcium-alkali mixture solution after raw material processing (10), stirring the calcium-alkali mixture solution uniformly and mixing the calcium-alkali mixture solution uniformly, stirring the calcium-alkali mixture solution uniformly by hand or machine-assisted stirring to obtain precipitation solution with pH value between 6.8 and 8.0, mixing the two mixed solutions through chemical reaction, controlling acid and alkali with proper pH value, and matching with proper effective stirring and mixing operation to mix the calcium-alkali mixture solution uniformly and perform proper chemical reaction with the reaction formula of ZnCl₂+2NaOH→Zn(OH)₂↓ +2 NaCl; filtering the mixed reacted precipitate through filtering treatment (12) and filtering with filter cloth or filter paper to dry the water fluid to obtain intermediate material for the mixed chemical reaction; the superfine zinc oxide powder after the mixing reaction is adhered to the surface of the original calcium compound body and is laminated, then the superfine zinc oxide powder is dried (13), the filtered intermediate product after the chemical reaction is placed into a drying machine, the drying treatment is carried out at the high temperature of 150-250 ℃, and the drying treatment is carried out for about 2 hours, so that a finished product (14) of the zinc oxide powder product of the superfine efficient composite active material can be obtained, as shown in the inspection finished product photos of figure 2 and figure 3; the powder formed by mixing, adhering, filtering and drying naturally forms a laminated pattern on the adhering surface layer, the particles can reach the nanometer grade fineness, the effects of saving quantity when the powder is taken in mixing, uniformly and rapidly mixing and using can be achieved, and the aim of safety and practicability of the whole zinc oxide material processing and using can be achieved.

The forming preparation of the zinc oxide powder is carried out by a chemical reaction, the whole processing time course is greatly simplified and shortened, the preparation can be simply finished without the operation dependence of special machines, particularly, the actual production technology can be greatly reduced, the zinc oxide solution and the treated calcium-alkali mixture can be stirred and mixed to obtain a precipitation liquid material with a relative pH value only by adjusting and controlling the pH value, the contained water liquid fluid is simply filtered, and the obtained solution fluid is directly placed into a drying machine for drying treatment, so that the preparation of the high-efficiency composite zinc oxide powder material can be finished, the whole production speed is greatly improved, the production time is effectively shortened, the whole production technology is greatly simplified and reduced, the production is easy to directly, the economic and practical values are met, the development of a new high-efficiency composite zinc oxide powder production method never has similar technical application and use, the invention is really a brand new high-efficiency material which accords with practical value between the same industries and the invention.

In summary, the preparation method of the high-efficiency composite active material zinc oxide powder of the present invention takes out the mixture of the calcium compound and the alkali solution, stirs and mixes the mixture with the zinc oxide solution to react and take out the precipitation solution with the set PH value, and then the precipitation solution is filtered and dried to achieve the adhesion generation of the high-efficiency composite zinc oxide powder, thereby providing the rubber vulcanization aid which is economical and practical and can be continuously and simply produced.

[ notation ] to show

(10) Raw material treatment (11) Zinc treatment

(12) Filtration treatment (13) drying treatment

(14) Finished product

The chemical formula most showing the characteristic of the invention is as follows:

the reaction equation is as follows:

ZnCl₂+2NaOH→Zn(OH)₂↓+2NaCl

the temperature is 200 +/-50 DEG C