阅读说明：本技术 一种用于光触媒的活性添加成分的制备方法 (Preparation method of active additive component for photocatalyst ) 是由 林崇 于 2019-10-11 设计创作，主要内容包括：一种用于光触媒的活性添加成分的制备方法,包括以下具体步骤：将按重量份分别称取的纳米二氧化钛、纳米银粉末、矿物质混合粉末、中药浸提液、碳酸钠、分散剂和渗透剂加入去离子水中,得到混合物A1；对混合物A1在密封环境下均匀混合,再置于30～45℃的环境下保温20～40min,得到混合物A2；按重量份分别称取TRAMP活性分子加入混合物A2中,得到混合物B；将混合物B混合均匀,载置于20～35℃的环境下保温15～25min,得到光触媒活性添加剂C；对得到光触媒活性添加剂C密封罐装以及冷藏。本发明提供的光触媒活性添加剂制备方法操作简单,得到光触媒活性添加剂能持久有效的对甲醛等进行净化处理。(A preparation method of active additive components for a photocatalyst comprises the following specific steps: adding nano titanium dioxide, nano silver powder, mineral substance mixed powder, traditional Chinese medicine leaching liquor, sodium carbonate, a dispersing agent and a penetrating agent which are respectively weighed according to parts by weight into deionized water to obtain a mixture A1; uniformly mixing the mixture A1 in a sealed environment, and then placing the mixture in an environment with the temperature of 30-45 ℃ for 20-40 min to obtain a mixture A2; respectively weighing TRAMP active molecules according to the parts by weight, and adding the TRAMP active molecules into the mixture A2 to obtain a mixture B; uniformly mixing the mixture B, and carrying out heat preservation for 15-25 min in an environment with the temperature of 20-35 ℃ to obtain a photocatalyst active additive C; and (5) hermetically canning and refrigerating the obtained photocatalyst active additive C. The preparation method of the photocatalyst active additive provided by the invention is simple to operate, and the obtained photocatalyst active additive can be used for purifying formaldehyde and the like durably and effectively.)

1. A preparation method of active additive components for a photocatalyst is characterized by comprising the following specific steps:

s1, respectively weighing nanometer titanium dioxide, TRAMP active molecules, nanometer silver powder, mineral substance mixed powder, traditional Chinese medicine leaching liquor, sodium carbonate, a dispersing agent, a penetrating agent and deionized water according to parts by weight;

s2, adding the weighed nano titanium dioxide, nano silver powder, mineral substance mixed powder, traditional Chinese medicine leaching liquor, sodium carbonate, dispersing agent and penetrating agent into deionized water to obtain a mixture A1;

s3, uniformly mixing the mixture A1 in a sealed environment, and preserving the temperature of the uniformly mixed mixture A1 in an environment of 30-45 ℃ for 20-40 min to obtain a mixture A2;

s4, adding TRAMP active molecules into the mixture A2 to obtain a mixture B; uniformly mixing the mixture B, and placing the uniformly mixed mixture B in an environment with the temperature of 20-35 ℃ for heat preservation for 15-25 min to obtain a photocatalyst active additive C;

s5, hermetically canning the obtained photocatalyst active additive C, and refrigerating the canned photocatalyst active additive C in an environment of 0-5 ℃.

2. The method of claim 1, wherein the photocatalyst active additive C comprises 25 to 40 parts by weight of nano titanium dioxide, 5 to 10 parts by weight of TRAMP active molecules, 2 to 8 parts by weight of nano silver powder, 8 to 15 parts by weight of mineral mixed powder, 5 to 12 parts by weight of Chinese medicinal leaching solution, 10 to 15 parts by weight of sodium carbonate, 2 to 5 parts by weight of dispersant, 10 to 30 parts by weight of penetrant, and 100 to 280 parts by weight of deionized water.

3. The method of claim 2, wherein the photocatalyst active additive C comprises 25 parts by weight of nano titanium dioxide, 5 parts by weight of TRAMP active molecules, 2 parts by weight of nano silver powder, 8 parts by weight of mineral mixed powder, 5 parts by weight of Chinese medicinal leaching solution, 10 parts by weight of sodium carbonate, 2 parts by weight of dispersant, 10 parts by weight of penetrant, and 100 parts by weight of deionized water.

4. The method of claim 2, wherein the photocatalyst active additive C comprises 40 parts by weight of nano titanium dioxide, 10 parts by weight of TRAMP active molecules, 8 parts by weight of nano silver powder, 15 parts by weight of mineral mixed powder, 12 parts by weight of Chinese medicinal leaching solution, 15 parts by weight of sodium carbonate, 5 parts by weight of dispersant, 30 parts by weight of penetrant, and 280 parts by weight of deionized water.

5. The method of preparing an active additive ingredient for a photocatalyst as claimed in claim 1, wherein the mineral mixed powder comprises diatomaceous earth powder, attapulgite powder, clay powder, sepiolite powder and tourmaline powder; the diatomite powder, the attapulgite powder, the clay powder, the sepiolite powder and the tourmaline powder are mixed according to the weight ratio: 2: 1-4: 2-3: 1-3: 1 to 4.

6. The method for preparing an active additive component for a photocatalyst according to claim 1, wherein the preparation method of the leaching solution of traditional Chinese medicine comprises:

s1, weighing radix sophorae flavescentis, mint, coptis chinensis and ethanol in parts by weight, wherein the ratio of the radix sophorae flavescentis to the mint to the coptis chinensis to the ethanol is 1-6: 1-4: 1-6: 10;

s2, soaking the weighed radix sophorae flavescentis, mint, coptis chinensis and ethanol in a vacuum environment to obtain a mixture D; wherein the vacuum degree of the vacuum environment is-0.04 to-0.07 MPa;

s3, carrying out solid-liquid separation on the mixture D to obtain a traditional Chinese medicine leaching solution.

7. The method as claimed in claim 1, wherein the mixing speed of the mixture A1 in S3 is 150-200 r/min, and the mixing time is 20-30 min.

8. The method as claimed in claim 1, wherein the mixing speed of the mixture B in S3 is 120-150 r/min, and the mixing time is 10-18 min.

Technical Field

The invention relates to the technical field of photocatalyst active additives, in particular to a preparation method of an active additive component for a photocatalyst.

Background

Certain pollution is caused more or less in the home decoration process, and the main pollutant in the current home decoration is formaldehyde; the artificial board, the coating, the carpet and the furniture for home decoration contain formaldehyde, which is a main problem for formaldehyde pollution of new houses; the latent period of harmful substances such as formaldehyde in the room is 10-15 years, and the release speed of the harmful substances also changes along with the temperature and the humidity; according to statistics, the average indoor time spent by people in life is as high as 80%, and the characteristic of long latent period of harmful substances such as formaldehyde provides a huge 'opportunity' for the new increase of diseases such as leukemia, cancer and the like year by year; usually, people simply purify the room by ventilating the room or placing green plants, but the effect is not obvious; a photocatalyst of a semiconductor material having a photocatalytic function, represented by titanium dioxide, can effectively decompose formaldehyde, benzene, ammonia gas, and the like; the photocatalyst can also oxidize and remove nitrogen oxides, sulfides, various odors and the like in the atmosphere, and has the function of air purification; the photocatalyst has low cost and stable chemical property, and is increasingly applied to indoor purification in recent years; but the existing photocatalyst has short action time, can not meet the requirement of indoor formaldehyde purification far away, and the existing photocatalyst can not work under the weak light at night, so that the purification efficiency of the photocatalyst is greatly reduced.

Disclosure of Invention

Objects of the invention

The photocatalyst active additive obtained by the preparation method for the active additive component of the photocatalyst provided by the invention can purify formaldehyde and the like durably and effectively and can purify formaldehyde under a weak light environment, so that the purification efficiency of the photocatalyst active additive is greatly improved.

(II) technical scheme

The invention provides a preparation method of an active additive component for a photocatalyst, which comprises the following specific steps:

s1, respectively weighing nanometer titanium dioxide, TRAMP active molecules, nanometer silver powder, mineral substance mixed powder, traditional Chinese medicine leaching liquor, sodium carbonate, a dispersing agent, a penetrating agent and deionized water according to parts by weight;

s2, adding the weighed nano titanium dioxide, nano silver powder, mineral substance mixed powder, traditional Chinese medicine leaching liquor, sodium carbonate, dispersing agent and penetrating agent into deionized water to obtain a mixture A1;

s3, uniformly mixing the mixture A1 in a sealed environment, and preserving the temperature of the uniformly mixed mixture A1 in an environment of 30-45 ℃ for 20-40 min to obtain a mixture A2;

s4, adding TRAMP active molecules into the mixture A2 to obtain a mixture B; uniformly mixing the mixture B, and placing the uniformly mixed mixture B in an environment with the temperature of 20-35 ℃ for heat preservation for 15-25 min to obtain a photocatalyst active additive C;

s5, hermetically canning the obtained photocatalyst active additive C, and refrigerating the canned photocatalyst active additive C in an environment of 0-5 ℃.

Preferably, the photocatalyst active additive C comprises, by weight, 25-40 parts of nano titanium dioxide, 5-10 parts of TRAMP active molecules, 2-8 parts of nano silver powder, 8-15 parts of mineral substance mixed powder, 5-12 parts of a traditional Chinese medicine leaching solution, 10-15 parts of sodium carbonate, 2-5 parts of a dispersing agent, 10-30 parts of a penetrating agent and 100-280 parts of deionized water.

Preferably, the photocatalyst active additive C comprises, by weight, 25 parts of nano titanium dioxide, 5 parts of TRAMP active molecules, 2 parts of nano silver powder, 8 parts of mineral substance mixed powder, 5 parts of traditional Chinese medicine leaching liquor, 10 parts of sodium carbonate, 2 parts of dispersing agent, 10 parts of penetrating agent and 100 parts of deionized water.

Preferably, the photocatalyst active additive C comprises 40 parts by weight of nano titanium dioxide, 10 parts by weight of TRAMP active molecules, 8 parts by weight of nano silver powder, 15 parts by weight of mineral substance mixed powder, 12 parts by weight of traditional Chinese medicine leaching liquor, 15 parts by weight of sodium carbonate, 5 parts by weight of dispersing agent, 30 parts by weight of penetrating agent and 280 parts by weight of deionized water.

Preferably, the mineral mixed powder includes diatomaceous earth powder, attapulgite powder, clay powder, sepiolite powder and tourmaline powder; the diatomite powder, the attapulgite powder, the clay powder, the sepiolite powder and the tourmaline powder are mixed according to the weight ratio: 2: 1-4: 2-3: 1-3: 1 to 4.

Preferably, the preparation method of the traditional Chinese medicine leaching liquor comprises the following steps:

s1, weighing radix sophorae flavescentis, mint, coptis chinensis and ethanol in parts by weight, wherein the ratio of the radix sophorae flavescentis to the mint to the coptis chinensis to the ethanol is 1-6: 1-4: 1-6: 10;

s2, soaking the weighed radix sophorae flavescentis, mint, coptis chinensis and ethanol in a vacuum environment to obtain a mixture D; wherein the vacuum degree of the vacuum environment is-0.04 to-0.07 MPa;

s3, carrying out solid-liquid separation on the mixture D to obtain a traditional Chinese medicine leaching solution.

Preferably, the mixing speed of the mixture A1 in the S3 is 150-200 r/min, and the mixing time is 20-30 min.

Preferably, the mixing speed of the mixture B in the S3 is 120-150 r/min, and the mixing time is 10-18 min.

The technical scheme of the invention has the following beneficial technical effects:

in the invention, the preparation method of the photocatalyst active additive C is simple, and the prepared photocatalyst active additive C has long sustainable purification time; the addition of TRAMP active molecules in the photocatalyst active additive C has the advantages of strong adhesive force, no agglomeration and strong adhesive capacity, the photocatalyst active additive C added with TRAMP active molecules can also generate photochemical reaction under weak light, and can degrade harmful substances in the air such as formaldehyde, benzene, ammonia, TVOC and the like into water and remove a small amount of carbon dioxide, so that the photocatalytic efficiency of the photocatalyst active additive C is greatly improved;

in addition, the photocatalyst active additive C is also added with nano-silver powder so that the photocatalyst active additive C has good disinfection and sterilization effects and can avoid corrosion of articles; the photocatalyst active additive C is also added with mineral substance mixed powder which has excellent physical adsorption effect and can effectively improve the contact time and contact area of pollution and the photocatalyst active additive C, thereby improving the catalytic efficiency of the photocatalyst active additive C; the photocatalyst active additive C is also added with traditional Chinese medicine leaching liquor, wherein matrine and anageine in traditional Chinese medicine radix sophorae flavescentis, peppermint oil in traditional Chinese medicine mint and coptisine in traditional Chinese medicine coptis chinensis can be effectively leached out by ethanol; when the photocatalyst active additive C degrades harmful substances, the materials further enter the air along with the slow release of silver ions, and various germs are effectively killed, so that the indoor air is effectively purified, and the photocatalyst active additive is more environment-friendly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.