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What Is Isothiazolinone?

Isothiazolinone is a non oxidizing fungicide. It has broad-spectrum and high-efficiency bactericidal and algae killing ability. Isothiazolinone can effectively control the growth of bacteria and algae and slime in water. It also has good clay stripping effect and certain dispersion and permeability. It can effectively remove algae propagation and slime growth. At the same time, it has the ability of deodorization, deodorization and corrosion inhibition.

bactericide

Properties and applications of isothiazolinone.

Isothiazolinone has little toxicity and no cumulative toxicity. And soluble in water. It is not affected by the hardness of the water. Therefore, it is widely used in the circulating cooling water system of petroleum, chemical, electric power, textile and other industries. It is used to control the growth of bacteria and algae in the circulating cooling water system. It has special effect on killing sulfate reducing bacteria.

Isothiazolinone is used as non oxidizing bactericide and slime stripper. It can also be used as a leveling agent for acrylic fiber dyeing and for its smooth and antistatic treatment before textile processing. Isothiazolinone can be used as fungicide, fungicide, antistatic agent, emulsifier and conditioner in textile printing and dyeing industry.

Effect of pH value on bactericide and microorganism.

1. Impact on microorganisms. The change of external pH value can change the structure of microbial cell wall or protoplast membrane. Thus, the permeability of the membrane is affected. Make it more difficult or easier for Fungicides to reach the action site.

2. The effect on fungicide activity. PH value has great influence on the antibacterial properties of many fungicides. Some organic acid preservatives, such as benzoic acid, sorbic acid and dehydroacetic acid, have antibacterial effects in molecular form. When pH ≥ 7, they dissociate into negative ions and lose their antibacterial activity.

Quaternary ammonium salt bactericide has high antibacterial activity in alkaline medium. When the value is low, the antibacterial activity is very small. When the pH value increased from 5 to 8, the M1c value of bropol increased from 6,25 mg / kg to 10-25 mg / kg. Isothiazolinone is easy to decompose and lose its activity at pH > 8.

Three Characteristics of Isothiazolinone Preservatives.

Isothiazolinone is a safe and effective preservative. It is also recognized internationally. It can be used in different industries according to different content. It does not contain any heavy metals. Suitable for a wide range of pH (3-10). The three main characteristics of isothiazolinone preservatives are as follows.

1. Isothiazolinone preservatives can inhibit the growth of microorganisms rapidly once they come into contact with microorganisms. And this inhibition is irreversible. This can lead to the death of microbial cells. Therefore, the function of isothiazolinone preservative is to those common bacteria and fungi and other microorganisms have a strong killing effect.

2. The reaction time is long and the degradation is good. Isothiazolinone preservative has the characteristics of no residue, safe operation, good compatibility, strong stability and low cost.

3. Isothiazolinone preservatives are miscible with most anionic, cationic and nonionic surfactants. It can also effectively inhibit and kill bacteria and various microorganisms.

What Is the Application of Isothiazolinone Preservative in Pesticide?

What role does isothiazolinone preservative play in the pesticide industry? The answer is yes. Because pesticides also need to be sterilized and antiseptic. Isothiazolidinone is known to kill bacteria by breaking the bonds between proteins in bacteria and algae. After contact with microorganisms, it can rapidly and irreversibly inhibit their growth. This leads to the death of microbial cells. Therefore, it has strong inhibition and killing effect on common bacteria, fungi and algae.

Isothiazolinone preservative has the advantages of high killing efficiency, good degradation, no residue, safe operation, good compatibility, strong stability and low cost. It is miscible with chlorine and most anionic, cationic and nonionic surfactants. When the dosage is high, isothiazolinone preservative has significant effect on bio slime stripping. It is widely used in oil field, papermaking, pesticide, cutting oil, leather, ink, dye, leather and other industries.

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