Synthetic process of mixed double-chain quaternary ammonium salt complex iodine for aquaculture

Abstract

The invention relates to a synthesis process of mixed double-chain quaternary ammonium salt complex iodine for aquaculture. According to the technical scheme, the method comprises the following steps: 1) adding octyl decyl methyl tertiary amine, dodecyl tetradecyl methyl tertiary amine and hexadecyl octadecyl methyl tertiary amine into a reaction kettle, and uniformly stirring; 2) continuously adding benzyl chloride; 3) pumping methanol into the reaction kettle; (4) starting to heat and carrying out constant-temperature reaction; (5) stopping heating after the constant-temperature reaction is finished, cooling to room temperature, adding phosphoric acid, and uniformly stirring; (6) continuing to add fatty alcohol-polyoxyethylene ether, elemental iodine and purified water; and 7) raising the temperature, and keeping the temperature between 35 DEG C and 45 DEG C to obtain the product. The method has the beneficial effects that the defects that povidone iodine is sensitive to ultraviolet rays and the loss is large under the illumination condition are overcome; a branched chain structure of quaternary ammonium salt molecules is increased, so that the product is endowed with a stronger slime stripping function; the characteristics of low toxicity, high sterilization efficiency and wide sterilization spectrum of iodine disinfection products for aquatic products are continued.

Description

technical field [0001] The invention relates to a mixed double-chain quaternary ammonium salt complex iodine, in particular to a synthesis process of a mixed double-chain quaternary ammonium salt complex iodine used for aquaculture. Background technique [0002] In the process of aquaculture, there will inevitably be various bacteria, fungi and viruses. The existence of these microorganisms will cause the infection of fish, shrimp, ginseng, and shellfish, and then cause various diseases, such as vertical scales, red skin, and rotten gills. , scabies, rotten skin, bleeding, etc., resulting in reduced production or even abortion. [0003] At present, the commonly used fungicides for aquaculture are mostly chlorine dioxide, potassium hydrogen persulfate, povidone iodine, etc. Each product has its own advantages and disadvantages. Affected by the pH value of the water body, but it will kill beneficial bacteria; Potassium hydrogen persulfate is highly efficient, safe, without re...

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Problems solved by technology

[0003] At present, the commonly used aquaculture fungicides are mostly chlorine dioxide, potassium hydrogen persulfate, povidone iodine, etc., and each product has its own advantages and disadvantages. Affected by the pH value of the water body, it will kill beneficial bacteria; Potassium persulfate is highly effective, safe, and has no residue, which is less harmful to aquaculture organisms, but its algicidal effect is not obvious, and it may even cause algae to fall if used improperly; Povidone-iodine High efficiency and low toxicity, wide range of sterilization, not easy to cause harm to cultured organisms, and can evenly act on the water body to treat aging algae in the water body, but it can only be used in rainy days or at night when the ultraviolet rays are weak, otherwise it will cause iodine A large loss of ions affects the use effect

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