Thiazole zincium suspension agent and method for producing the same

A technology of thiazole zinc and suspending agent, which is applied in botany equipment and methods, biocides, fungicides, etc., can solve the problems of difficulty in uniform dispersion of active ingredients of pesticides, affecting the promotion and use of suspending agents, and poor dispersibility in water, etc., to achieve prevention and control Ideal effect, easy flow, good dispersion effect

Active Publication Date: 2008-06-11
ZHEJIANG XINNONG CHEM CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the 1970s, suspending agents had already appeared, but due to the impact of technical developments such as grinding machinery and surfactants, their promotion scale was still difficult to compare with bulk dosage forms such as emulsifiable concentrates and wettable powders.
The currently developed varieties, especially many suspension concentrates produced in China, have poor physical stability, and are prone to stratification and precipitation during storage. Dispersion and low suspension rate have seriously affected the promotion and use of the new pesticide dosage form of suspending agent in agricultural production
[0007] To develop thiazole zinc into a suspension, a lot of creative work must be done to select specific components and proportions to solve the problems of poor physical stability, poor dispersion in water, and low suspension rate of the formulation

Method used

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  • Thiazole zincium suspension agent and method for producing the same
  • Thiazole zincium suspension agent and method for producing the same
  • Thiazole zincium suspension agent and method for producing the same

Examples

Experimental program
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Effect test

Embodiment 1

[0039] Zinc thiazole 5.0%, tallow ethoxyamine salt 4.0%, sodium naphthalenesulfonic acid condensate 1.0%, acrylic acid homopolymer sodium salt 1.0%, xanthan gum 0.2%, sodium starch phosphate 2.5%, propylene glycol 5.0% %, potassium sorbate 0.5%, polyether defoamer 0.5%, distilled water to make up to 100%, put it into a sand mill and grind for 120 minutes, and filter to get 5% zinc thiazole suspending agent.

Embodiment 2

[0041]Zinc thiazole 15.0%, fatty alcohol polyoxyethylene ether 3.0%, alkylnaphthalene sulfonate 1.0%, sodium methylene dinaphthalene sulfonate 1.0%, EO / PO block copolyether 1.0%, maleic acid-acrylic acid Homopolymer Sodium Salt 1.0%, Xanthan Gum 0.05%, Magnesium Aluminum Silicate 0.6%, Starch Sodium Octenylsuccinate 2.3%, Glycerin 2.0%, Phenyl Salicylate 0.4%, Silicone Defoamer 0.1%, make up to 100% with deionized water, put it into a high-shear homogeneous emulsifier and shear it at high speed for 20 minutes, then transfer it to a sand mill, and circulate sand mill for 1-3 times to get 15% thiazole zinc suspending agent .

Embodiment 3

[0043] Zinc thiazole 20.0%, alkylnaphthalene sulfonate 2.0%, fatty alcohol polyoxyethylene ether sulfate 1.3%, phenol sulfonic acid condensate sodium salt 1.0%, methylnaphthalene sulfonate sodium formaldehyde condensate 2.0%, octene Sodium starch succinate 2.0%, glycerin 2.0%, butyl p-hydroxybenzoate 0.2%, silicone defoamer 0.1%, deionized water to 100%, put into high-shear homogeneous emulsifier at high speed Cut for 25 minutes, then pump to a sand mill and grind for 90 minutes, and filter to obtain 20% thiazole zinc suspension concentrate.

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Abstract

The invention discloses a thiazole zinc suspending agent and process for preparation, wherein, the suspending agent contains thiazole zinc 5-60%, wetting agent 3-8%, dispersing agent 1-5%, thickening agent 0-3%, anti-freeze agent 0-5%, antiseptic 0-1% and defoaming agent 0-0.5% and water allowance. The medicament is evenly dispersed and manufactured by adopting arts of combination of sandblast or high-shear homogeneity and sandblast, or combination of high-shear homogeneity and high pressure homogeneity. The medicament has high efficiency, which can effectively prevent and cure bacterial diseases such as rice bacterial blight, striped disease and citrus ulcer and the like, and uses water as dispersed medium, and has little environmental pollution and low toxicity. The preparation has excellent performance, which can be stored for two years without deposition and phenomenon of lamination. The invention has long life span of a goods shelf, and is not easily burnt and is safe to store and transport.

Description

Technical field: [0001] The invention relates to a bactericide, in particular to a zinc thiazole suspension and a preparation method thereof. Background technique: [0002] Pesticide suspension concentrate (aqueous suspension concentrate, SC), also known as water suspension concentrate, colloidal suspension concentrate, concentrated suspension concentrate, is to use dispersant, wetting agent and other additives to insoluble or hardly water-soluble solid original drug, A pesticide formulation that utilizes input energy to disperse in water to form a uniform and stable suspension system is an important formulation that represents the development direction of contemporary pesticide formulation technology. Suspension concentrate is mainly composed of pesticide technical, wetting agent, dispersant, thickener, antifreeze, preservative, PH regulator, defoamer and water. Because its dispersion medium is water, the suspending agent has the characteristics of low cost, safe productio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/824A01N25/04A01P3/00
CPCA01N43/82C07D285/125A01N25/04A01N2300/00
Inventor 魏方林朱国念徐群辉徐振元许丹倩戴金贵童贤明
Owner ZHEJIANG XINNONG CHEM CO LTD
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