CN111978000A - Mildew inhibitor for phosphogypsum product and preparation method thereof - Google Patents
Mildew inhibitor for phosphogypsum product and preparation method thereof Download PDFInfo
- Publication number
- CN111978000A CN111978000A CN202010956897.0A CN202010956897A CN111978000A CN 111978000 A CN111978000 A CN 111978000A CN 202010956897 A CN202010956897 A CN 202010956897A CN 111978000 A CN111978000 A CN 111978000A
- Authority
- CN
- China
- Prior art keywords
- phosphogypsum
- mildew
- ardealite
- products
- mildewcide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/12—Quaternary ammonium compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
- A01N33/20—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/06—Unsaturated carboxylic acids or thio analogues thereof; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/67—Biocides
- C04B2103/69—Fungicides
Abstract
The invention discloses a mildew inhibitor for phosphogypsum products, which comprises the following components in percentage by weight: 1-5% of sodium benzoate; 10-15% of dodecyl trimethyl ammonium bromide; 5-8% of nitro-bromohydrin; 6-9% of potassium sorbate; 4-9% of chlorobutanol; the balance of water. The mildew inhibitor for the phosphogypsum product can effectively prevent the growth of mildew and has low cost. The invention also provides a preparation method of the mildewproof agent for the phosphogypsum product.
Description
Technical Field
The invention relates to the technical field of mildewproof agents, and particularly relates to a mildewproof agent for phosphogypsum products and a preparation method thereof.
Background
Phosphogypsum is a solid waste produced in the industry of phosphorus chemical industry, wherein the content of dihydrate gypsum is usually more than 80 percent, and the phosphogypsum can be used as building gypsum after being calcined. Method for calcining phosphogypsumAvailable routes are: producing light partition boards, gypsum blocks, phosphogypsum mortar and the like. Compared with common gypsum, the phosphogypsum contains a large amount of dihydrate gypsum, and also contains a small amount of organic matters and free acid (P)2O5Calculated), and the like, and provides nutrient components for the growth of mould, so that the phosphogypsum product is easy to breed mildew spots in the using process and influences the appearance of the product.
In the prior art, related researches on the mildewcide for the phosphogypsum products are less. In the patent CN201811132057.1, a method for manufacturing a nano modified mildew-proof phosphogypsum partition board, a method for inhibiting the growth of mildew by using nano heavy metal is disclosed, but the cost is high, and the use of the heavy metal accords with the environmental protection concept.
In view of the above, there is a need to provide a new mildew preventive to solve the above technical problems.
Disclosure of Invention
The invention aims to provide the mildew inhibitor for the phosphogypsum product, which can effectively prevent the growth of mildew and has low cost.
In order to solve the problems, the technical scheme of the invention is as follows:
the mildew inhibitor for the phosphogypsum product comprises the following components in percentage by weight:
further, the mildew preventive for the phosphogypsum product comprises the following components in percentage by weight:
further, the pH value of the mildewcide for the phosphogypsum product is 2-5.
Furthermore, the mixing amount of the mildew inhibitor for the phosphogypsum product is 0.05-0.1 percent of the mass of the phosphogypsum product.
The invention also provides a preparation method of the mildewproof agent for the phosphogypsum product, which comprises the following steps:
step S1, adding water and dodecyl trimethyl ammonium bromide in sequence according to the proportion, and stirring uniformly;
step S2, adding potassium sorbate, and stirring until the mixture is clear;
step S3, adding chlorobutanol, stirring uniformly, and adding nitrobromohydrin while stirring;
and step S4, finally, adding sodium benzoate, and stirring until the mixture is clear to obtain the mildew preventive for the phosphogypsum product.
Compared with the prior art, the mildew preventive for the phosphogypsum product has the beneficial effects that:
the mildew preventive for the phosphogypsum product can accelerate and promote the conversion of a phosphoric acid oxidation-reduction system, destroy the function of free acid cells, and enable the phosphogypsum product to be incapable of providing nutrients for mould, so that the mould cannot grow and achieve a good mildew prevention effect.
The mildew inhibitor for the phosphogypsum product provided by the invention has the characteristics of simple formula, less mixing amount in the using process and low cost.
Detailed Description
The following description of the present invention is provided to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention and to make the above objects, features and advantages of the present invention more comprehensible.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The mildew inhibitor for the phosphogypsum product comprises the following components in percentage by weight:
5% of sodium benzoate; 15% of dodecyl trimethyl ammonium bromide; 6% of nitro-bromine alcohol; 9% of potassium sorbate; 5% of chlorobutanol; 60% of water.
A preparation method of the mildewproof agent for the phosphogypsum product comprises the following steps:
step S1, adding water and dodecyl trimethyl ammonium bromide in sequence according to the proportion, and stirring for 10min to be uniform;
step S2, adding potassium sorbate, and stirring for 15min until the mixture is clear;
step S3, adding chlorobutanol, stirring for 10min to be uniform, and adding nitrobromohydrin while stirring;
and step S4, finally, adding sodium benzoate, and stirring until the mixture is clear to obtain the mildew preventive for the phosphogypsum product.
Example 2
The mildew inhibitor for the phosphogypsum product comprises the following components in percentage by weight:
1% of sodium benzoate; 10% of dodecyl trimethyl ammonium bromide; 5% of nitro-bromine alcohol; 6% of potassium sorbate; 9% of chlorobutanol; and (4) 69 percent of water.
The preparation method of the mildewcide for ardealite products of the embodiment refers to the embodiment 1.
Example 3
The mildew inhibitor for the phosphogypsum product comprises the following components in percentage by weight:
2% of sodium benzoate; 12% of dodecyl trimethyl ammonium bromide; 8% of nitro-bromine alcohol; 7% of potassium sorbate; 8% of chlorobutanol; and (5) 63% of water.
The preparation method of the mildewcide for ardealite products of the embodiment refers to the embodiment 1.
Example 4
The mildew inhibitor for the phosphogypsum product comprises the following components in percentage by weight:
4% of sodium benzoate; 13% of dodecyl trimethyl ammonium bromide; 7% of nitro-bromine alcohol; 8% of potassium sorbate; 4% of chlorobutanol; 64 percent of water.
The preparation method of the mildewcide for ardealite products of the embodiment refers to the embodiment 1.
Example 5
The mildew inhibitor for the phosphogypsum product comprises the following components in percentage by weight:
3% of sodium benzoate; 11% of dodecyl trimethyl ammonium bromide; 6% of nitro-bromine alcohol; 7% of potassium sorbate; 6 percent of chlorobutanol; and (5) 67 percent of water.
The preparation method of the mildewcide for ardealite products of the embodiment refers to the embodiment 1.
Example 6
The mildew inhibitor for the phosphogypsum product comprises the following components in percentage by weight:
5% of sodium benzoate; 10% of dodecyl trimethyl ammonium bromide; 6% of nitro-bromine alcohol; 9% of potassium sorbate; 5% of chlorobutanol; 65% of water.
The preparation method of the mildewcide for ardealite products of the embodiment refers to the embodiment 1.
The mildew-proof effect of the ardealite product used in the examples 1 to 6 under different mixing amount conditions is tested, and the test results are as follows:
| the mixing amount of the mildew inhibitor is% | 7d | 30d | 60d |
| 0 | Small spots appeared around | Severe mold growth | - |
| 0.02 | Good effect | Spots appeared | Slight mildew |
| 0.05 | Good effect | Good effect | Good effect |
| 0.1 | Good effect | Good effect | Good effect |
The test result shows that the mildew inhibitor for the phosphogypsum product has a long-acting mildew-proof effect when the mixing amount is 0.05-0.1% of the mass of the phosphogypsum product, and has the advantages of small using amount and low cost.
By way of comparison between examples 1 and 6, the two examples differ in the content of dodecyltrimethylammonium bromide and, correspondingly, in the pH of the fungicide (pH 4.5 for example 1 and 2 for example 6). The mildew-proof effect tests of the ardealite product mildew-proof agents of the two embodiments are carried out under the conditions of different mixing amounts and different time, and the test results are as follows:
the mildew inhibitor for the phosphogypsum product has the pH value of 2-5, is acidic, and has good adaptability in an acidic application environment; and the pH value of the acidic mildew preventive is reduced, so that the mildew preventive effect is better.
The temperature of the phosphogypsum in the hydration forming process is 50-65 ℃, the mildewproof agent of the invention can not be decomposed in the forming process of products doped with the phosphogypsum, the performance is relatively stable, and the stability of the mildewproof effect can be ensured.
Compared with the prior art, the mildew preventive for the phosphogypsum product has the beneficial effects that:
the mildew preventive for the phosphogypsum product can accelerate and promote the conversion of a phosphoric acid oxidation-reduction system, destroy the function of free acid cells, and enable the phosphogypsum product to be incapable of providing nutrients for mould, so that the mould cannot grow and achieve a good mildew prevention effect.
The mildew inhibitor for the phosphogypsum product provided by the invention has the characteristics of simple formula, less mixing amount in the using process and low cost. The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (5)
1. The mildew inhibitor for the ardealite product is characterized by comprising the following components in percentage by weight:
2. the mildewcide for ardealite products according to claim 1, which is characterized by comprising the following components in percentage by weight:
3. the mildewcide for ardealite products according to claim 1, wherein the pH value of the mildewcide for ardealite products is 2-5.
4. The mildewcide for ardealite products according to claim 1, wherein the mixing amount of the mildewcide for ardealite products is 0.05 to 0.1 percent of the mass of the ardealite products.
5. A method for preparing the mildewcide for the phosphogypsum products as claimed in any one of claims 1 to 4, which is characterized by comprising the following steps:
step S1, adding water and dodecyl trimethyl ammonium bromide in sequence according to the proportion, and stirring uniformly;
step S2, adding potassium sorbate, and stirring until the mixture is clear;
step S3, adding chlorobutanol, stirring uniformly, and adding nitrobromohydrin while stirring;
and step S4, finally, adding sodium benzoate, and stirring until the mixture is clear to obtain the mildew preventive for the phosphogypsum product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956897.0A CN111978000A (en) | 2020-09-12 | 2020-09-12 | Mildew inhibitor for phosphogypsum product and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956897.0A CN111978000A (en) | 2020-09-12 | 2020-09-12 | Mildew inhibitor for phosphogypsum product and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111978000A true CN111978000A (en) | 2020-11-24 |
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ID=73449643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010956897.0A Pending CN111978000A (en) | 2020-09-12 | 2020-09-12 | Mildew inhibitor for phosphogypsum product and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111978000A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1878469A (en) * | 2003-11-11 | 2006-12-13 | 巴斯福股份公司 | Microbicidal compositions and their use |
| WO2008079417A2 (en) * | 2006-12-20 | 2008-07-03 | Albemarle Corporation | The use of quaternary ammonium betaines in the prevention of mold, mildew, and funguses in new and/or existing construction |
| US20100105768A1 (en) * | 2008-10-08 | 2010-04-29 | Xiao Jiang | Mold-inhibiting method and composition |
| CN103125525A (en) * | 2013-02-06 | 2013-06-05 | 王泽辉 | Decomposition, purification and sterilization type mold prevention and removal preparation, and its preparation method |
| CN108147758A (en) * | 2017-12-06 | 2018-06-12 | 常州鼎众冷暖设备工程有限公司 | A kind of preparation method of thermal-insulating type plasterboard |
| CN109610759A (en) * | 2018-11-19 | 2019-04-12 | 泰山石膏有限公司 | A kind of Thistle board of antimildew and antibacterial and preparation method thereof |
-
2020
- 2020-09-12 CN CN202010956897.0A patent/CN111978000A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1878469A (en) * | 2003-11-11 | 2006-12-13 | 巴斯福股份公司 | Microbicidal compositions and their use |
| WO2008079417A2 (en) * | 2006-12-20 | 2008-07-03 | Albemarle Corporation | The use of quaternary ammonium betaines in the prevention of mold, mildew, and funguses in new and/or existing construction |
| US20100105768A1 (en) * | 2008-10-08 | 2010-04-29 | Xiao Jiang | Mold-inhibiting method and composition |
| CN103125525A (en) * | 2013-02-06 | 2013-06-05 | 王泽辉 | Decomposition, purification and sterilization type mold prevention and removal preparation, and its preparation method |
| CN108147758A (en) * | 2017-12-06 | 2018-06-12 | 常州鼎众冷暖设备工程有限公司 | A kind of preparation method of thermal-insulating type plasterboard |
| CN109610759A (en) * | 2018-11-19 | 2019-04-12 | 泰山石膏有限公司 | A kind of Thistle board of antimildew and antibacterial and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 南京药学院药剂学教研组: "《药剂学（第二版）》", 31 May 1985, 人民卫生出版社 * |
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Application publication date: 20201124 |
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