2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet and preparation method thereof

A technology of dimethyl tetrachloride brine and dimethyl tetrachloride, which is applied in the fields of botanical equipment and methods, herbicides, algicides, biocides, etc., and can solve the problems of easy drift, inaccurate measurement, and small soluble powder particles problems, to achieve the effect of simple preparation process, accurate measurement, and not easy to be harmed by phytotoxicity

Inactive Publication Date: 2012-05-09
安阳全丰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the inaccurate measurement of the water agent, it will bring many adverse effects to the operator during the production and use process. The soluble powder has many adverse effects on the operator and the surrounding environment due to its small particles and easy drift.

Method used

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  • 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet and preparation method thereof
  • 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet and preparation method thereof
  • 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The preparation of embodiment 1 5% dimethyl tetrachloride water dispersible granules

[0034] The selection and proportioning of the original medicine and auxiliary agents are: 95% dimethyltetrachloride original medicine 5.3% (5% discount), the dispersant is 2.0% sodium methylene dimethyl naphthalene sulfonate, 4.0% calcium lignosulfonate %, wetting agent sodium lauryl sulfate 2.0%, disintegrating agent is ammonium sulfate 15.0%, binder is dextrin 5.0%, filler is attapulgite to make up 100%

[0035] According to the above proportions, the dosage of each component is calculated, weighed, and mixed evenly; the formula is granulated by ultrafine / jet milling, dried, granulated, and selected. Product testing is carried out according to the quality control indicators of water-dispersible granules, including the content of active ingredients, wetting time, disintegration rate, suspension rate, foaming property, sieve analysis, shedding rate, pH range and thermal storage stabil...

Embodiment 2

[0043] The preparation of embodiment 2 5% dimethyl tetrachloride water dispersible tablets

[0044] The selection and proportioning of the original drug and auxiliary agent are: 5.3% (5% discount) of the original drug of 95% dimethyltetrachloride, the dispersant is 3.0% of naphthalenesulfonate formaldehyde condensate, 3.0% of calcium lignosulfonate, moistening agent The wet agent is sodium lauryl sulfate 2.0%, the disintegrant is ammonium sulfate 17.0%, the binder is polyvinyl alcohol 5.0%, and the filler is talcum powder to make up 100%.

[0045] According to the above proportions, the dosage of each component is calculated, weighed, and mixed evenly; the formula is granulated by ultrafine / jet milling, dried, pressed into tablets, and selected. Product testing is carried out according to the quality control indicators of water-dispersible tablets, including the content of active ingredients, disintegration time limit, suspension rate, foaming property, sieve analysis, powder ...

Embodiment 3

[0054] Embodiment 3 Preparation of 5% Sodium Dimethyltetrachloride Water Dispersible Granules

[0055] The selection and ratio of original drug and auxiliary agent are: 95% sodium dimethyltetrachloride original drug 5.3% (5% discount), dispersant is 2.0% sodium methylene bismethyl naphthalene sulfonate, calcium lignosulfonate 4.0%, wetting agent sodium lauryl sulfate 2.0%, disintegrating agent is microcrystalline cellulose sodium 15.0%, binder is dextrin 5.0%, filler is attapulgite to make up 100%

[0056] According to the above proportions, the dosage of each component is calculated, weighed, and mixed evenly; the formula is granulated by ultrafine / jet milling, dried, granulated, and selected. Product testing is carried out according to the quality control indicators of water-dispersible granules, including the content of active ingredients, wetting time, disintegration rate, foaming property, sieve analysis, shedding rate, pH range and thermal storage stability, etc. The sp...

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Abstract

The invention discloses a 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet and a preparation method thereof. The 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet consists of the following materials in percentage by weight: 0.1 to 80 percent of 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt, 0.5 to 15 percent of dispersing agent, 0.5 to 8 percent of wetting agent, 0.1 to 35 percent of disintegrating agent, 0 to 10 percent of binder and the balance filler. The preparation method of the 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet includes the following steps: all the materials of the 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet are mixed, ultra-finely milled by jet, pelletized, dried, granulated or tableted, chosen and inspected, and thereby the 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet is obtained. The 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet is safe for the environment, the human being, livestock and other beneficial organisms, cannot easily produce chemical hazards, can be accurately weighed, and is convenient to use; the 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet can be rapidly disintegrated; the storage stability of the 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet is high, the preparation process is simple, and the 2-methyl-4-chlorophenoxy acetic acid and 2-methyl-4-chlorophenoxy acetic acid salt water-dispersible granule or tablet is suitable for industrialized production and wide popularization and application.

Description

Technical field: [0001] The invention relates to a water-dispersible granule / or tablet of a plant growth regulator and a preparation method thereof, in particular to a dimethyltetrachloride and dimethyltetrachloride salt water dispersible granule / or tablet and a preparation method thereof. Background technique: [0002] In agriculture, it is used as a plant growth regulator to prevent early flower and fruit drop of tomatoes and other fruits, and form seedless fruits, promote early maturity of crops, and accelerate rooting of cuttings. It can also be used as a herbicide, which is easily absorbed and conducted by stems and leaves. It is used for post-emergent control of various annual and perennial broad-leaved weeds in small grains, rice, peas, lawns and non-cultivated areas. This product has special effects on broad-leaved and triangular grasses, and can also control various dicotyledonous and some monocotyledonous weeds, but it is ineffective against barnyard grass. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N39/04A01N25/14A01N25/34A01P13/00
Inventor 徐雪松杨晓庆万小瑞晋艳芳
Owner 安阳全丰生物科技有限公司
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