Isothiazolinone type compound micro-emulsion type sterilization mildew preventive as well as preparation method and application thereof

A technology of bactericidal and antifungal agent and microemulsion, which is applied in the directions of bactericide, botanical equipment and method, application, etc. Side effects and other problems, to achieve the effect of reducing the cost of anti-corrosion and mildew prevention, good chemical and physical stability, and reducing toxic and side effects

Inactive Publication Date: 2019-07-23
HEBEI HOFMANN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The DCOIT and BIT compound microemulsion bactericidal and antifungal agent provided in the examples of the present invention simultaneously solve the insoluble problem of DCOIT and BIT, and the preparation is stable and uniform, with good chemical and physical stability; it can be arbitrarily diluted with water without precipitation , which solves the problem of poor stability of isothiazolinone fungicides at the used concentration; the active ingredients DCOIT and BIT in the preparation

Method used

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  • Isothiazolinone type compound micro-emulsion type sterilization mildew preventive as well as preparation method and application thereof
  • Isothiazolinone type compound micro-emulsion type sterilization mildew preventive as well as preparation method and application thereof
  • Isothiazolinone type compound micro-emulsion type sterilization mildew preventive as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] A kind of DCOIT and BIT composite microemulsion type bactericidal antifungal agent, comprises the component of following parts by weight:

[0062] DCOIT 1.55g, BIT 2.95g, naphtha 3g, cyclohexanol 14.5g, isopropanol 8g, castor oil polyoxyethylene ether 25.4g, linear sodium dodecylbenzenesulfonate 2.6g, copper nitrate 0.15g , EDTA-Na 2 0.24g, make up to 100g with deionized water.

[0063] The preparation method of above-mentioned DCOIT and BIT composite microemulsion type bactericidal antifungal agent comprises the following steps:

[0064] Take 1.55g of DCOIT, 2.95g of BIT, add 3g of naphtha, 14.5g of cyclohexanol, and 8g of isopropanol, heat to 40°C and stir to dissolve. After the dissolution is complete, slowly add castor oil polyoxyethylene ether 25.4 g and 2.6g of sodium dodecylsulfonate, continue to stir evenly at 40°C to form a stable oil phase;

[0065] Weigh copper nitrate 0.15g and EDTA-Na 2 0.24g, dissolved in an appropriate amount of deionized water at 4...

Embodiment 2

[0068] A kind of DCOIT and BIT composite microemulsion type bactericidal antifungal agent, comprises the component of following parts by weight:

[0069] DCOIT 1.55g, BIT 2.95g, add naphtha 4g, cyclohexanol 12g, benzyl alcohol 2.5g, isopropanol 9g, castor oil polyoxyethylene ether 26g, linear sodium dodecylbenzenesulfonate 3.0g, Copper nitrate 0.15g, EDTA-Na 2 0.24g, make up to 100g with deionized water.

[0070] The preparation method of above-mentioned DCOIT and BIT composite microemulsion type bactericidal antifungal agent comprises the following steps:

[0071] Take 1.55g of DCOIT, 2.95g of BIT, add 4g of naphtha, 12g of cyclohexanol, 2.5g of benzyl alcohol, and 9g of isopropanol, heat to 40°C and stir to dissolve. After the dissolution is complete, slowly add castor oil poly 26g of oxyethylene ether and 3.0g of sodium dodecylsulfonate, continue to stir evenly at 40°C to form a stable oil phase;

[0072] Weigh copper nitrate 0.15g and EDTA-Na 2 0.24g, dissolved in an...

Embodiment 3

[0075] A kind of DCOIT and BIT composite microemulsion type bactericidal antifungal agent, comprises the component of following parts by weight:

[0076] DCOIT 1.55g, BIT 2.95g, add naphtha 4g, benzyl alcohol 14.5g, n-butanol 8g, castor oil polyoxyethylene ether 25.4g, linear sodium dodecylbenzenesulfonate 2.6g, copper nitrate 0.15g , EDTA-Na 2 0.24g, make up to 100g with deionized water.

[0077] The preparation method of above-mentioned DCOIT and BIT composite microemulsion type bactericidal antifungal agent comprises the following steps:

[0078]Take DCOIT 1.55g, BIT 2.95g, add naphtha 4g, benzyl alcohol 14.5g, n-butanol 8g, heat to 40°C and stir to dissolve; add castor oil polyoxyethylene ether 25.4g and twelve Aqueous solution obtained by dissolving 2.6g of sodium alkylsulfonate; stir evenly at 40°C to form a stable oil phase;

[0079] Weigh copper nitrate 0.15g and EDTA-Na 2 0.24g, dissolved in an appropriate amount of deionized water at 40°C to obtain an aqueous p...

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Abstract

The embodiment of the invention relates to the field of industrial corrosion prevention and mildew prevention, particularly relates to an isothiazolinone type compound micro-emulsion type sterilization mildew preventive as well as a preparation method and application thereof and more particularly relates to a 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT) and 1,2-benzisothiazolin-3-one (BIT)compound micro-emulsion type sterilization mildew preventive as well as a preparation method and application thereof. The DCOIT and BIT compound micro-emulsion type sterilization mildew preventive provided by the embodiment of the invention is prepared from: DCOIT, BIT and auxiliary agents for a micro-emulsion preparation; the preparation method of the DCOIT and BIT compound micro-emulsion type sterilization mildew preventive comprises the following step: preparing the DCOIT, the BIT and the auxiliary agents for the micro-emulsion preparation into the DCOIT and BIT compound micro-emulsion typesterilization mildew preventive. The DCOIT and BIT compound micro-emulsion type sterilization mildew preventive provided by the embodiment of the invention is a stable, efficient and environment-friendly compound micro-emulsion type sterilization mildew preventive of slightly soluble fungicides including the DCOIT and the BIT, can be diluted randomly by water and is not separated out; respectiveadvantages of the DCOIT and the BIT in the aspects of sterilization, corrosion prevention and mildew prevention also can be sufficiently expressed; the DCOIT and BIT compound micro-emulsion type sterilization mildew preventive has high efficiency, low toxicity and high application value.

Description

technical field [0001] The present invention relates to the field of industrial anticorrosion and mildew prevention, in particular to an isothiazolinone compound microemulsion type bactericide and antifungal agent, its preparation method and application, more specifically to a 4,5-dichloro-2-n-octyl Di-4-isothiazolin-3-one (DCOIT) and 1,2-benzisothiazolin-3-one (BIT) compound microemulsion fungicide and antifungal agent, its preparation method and application. Background technique [0002] 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT), its structural formula is: [0003] [0004] DCOIT is an efficient and quick-acting broad-spectrum fungicide, anti-fungal agent, and anti-rust agent. It can be widely used in paints, coatings, plastics, leather, sewage, paper, wood, adhesives, inks and other fields. It can replace the highly toxic Compounds such as organic arsenic. The main active ingredient in the Sea-Nine 211 marine antifouling paint developed by Rohm and Haas is ...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N25/04A01P3/00
CPCA01N25/04A01N43/80
Inventor 杨遵华王新夫李雪松夏媛媛张小博
Owner HEBEI HOFMANN NEW MATERIAL TECH CO LTD
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