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Acetic acid-based herbicide composition

A herbicide and composition technology, applied in the field of acetate-based herbicide compositions, can solve problems such as poor herbicidal activity, and achieve the effects of improving herbicidal activity and excellent herbicidal activity

Pending Publication Date: 2020-07-31
接触有机技术私人有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional acetate-based herbicide compositions generally require high concentrations (e.g., at least 20% v / v) of acetic acid to promote herbicidal activity, and even at such high concentrations, their herbicidal activity relative to other conventional herbicidal medicine is still bad

Method used

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  • Acetic acid-based herbicide composition
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  • Acetic acid-based herbicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0235] Example 1: Herbicide Composition 1

[0236] According to the formula shown in Table 1, an aqueous solution of hydrochloric acid was prepared. Add citric acid and magnesium chloride. The solution was heated to 65°C and stirred. The heat was turned off and a solution of copper nitrate (copper nitrate trihydrate in water, 50% by weight) was added. Sodium chloride was then added with stirring. Acetic acid was then added and the solution was stirred. After adding acetic acid, the composition was cooled to room temperature and filtered through a nylon filter. The resulting solution was sealed and stored in an airtight container.

[0237] Table 1 : Herbicide Composition 1 .

[0238] weight% water 28.6 hydrochloric acid* 2.7 Citric acid (anhydrous) 4.4 Magnesium chloride hexahydrate 5.7 Copper nitrate solution 3.3 Sodium chloride 1.3 Glacial acetic acid 54.0

[0239] *About 320g / L

Embodiment 2

[0240] Example 2: Herbicide Composition 2

[0241] According to the formula shown in Table 2, an aqueous solution of hydrochloric acid was prepared. Add citric acid and magnesium chloride. The solution was heated to 65°C and stirred. The heat was turned off, and copper sulfate solution (copper sulfate pentahydrate dissolved in water, 50 wt %) was added. Sodium chloride was then added with stirring. Acetic acid was then added and the solution was stirred. After adding acetic acid, the composition was cooled to room temperature and filtered through a nylon filter. The resulting solution was sealed and stored in an airtight container.

[0242] Table 2: Herbicide Composition 2.

[0243]

[0244]

[0245] *About 320g / L

Embodiment 3

[0246] Example 3: Herbicide Composition 3

[0247] According to the formula shown in Table 3, an aqueous solution of hydrochloric acid was prepared. Citric acid and magnesium chloride (40%) were added. The solution was heated to 65°C and stirred. The solution is near or at saturation point. The heat was turned off and the cupric chloride solution was added. The remaining magnesium chloride (60%) and sodium hypochlorite solution were then added with stirring. Acetic acid was then added, and the solution was stirred. After adding acetic acid, the composition was cooled to room temperature and filtered through a nylon filter. The resulting solution was sealed and stored in an airtight container.

[0248] Table 3: Herbicide Composition 3.

[0249] weight% water 3.4 hydrochloric acid* 2.4 Citric acid (anhydrous) 4.0 Magnesium chloride hexahydrate 5.7 Copper chloride solution 3.3 Sodium hypochlorite** 1.3 Glacial acetic acid...

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Abstract

The present invention relates to a herbicide composition comprising water, hydrochloric acid, acetic acid, one or both of citric acid and a citrate salt, and at least two metal salts, wherein at leastone of the metal salts is a transition metal salt and the at least two metal salts are independently present in an amount of at least 0.005 wt%.

Description

technical field [0001] The present invention relates generally to the fields of horticulture, agriculture and controlling undesirable plant growth. In particular, the present invention relates to acetate-based herbicide compositions, processes for their preparation and their use and application for killing plants or retarding plant growth. Background technique [0002] The use of herbicides to control undesirable plant growth is common in both home gardening and commercial farming. Herbicides are also commonly used to control undesirable vegetation around infrastructure such as public facilities. [0003] Although beneficial, if not essential, in modern horticulture / agriculture and infrastructure maintenance, a major disadvantage of many of the herbicides currently in use is that they are often toxic to humans, animals and the environment. [0004] Glyphosate (N-(phosphonomethyl)glycine) is a widely used broad-spectrum systemic herbicide and plant desiccant. Despite being...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/02A01N37/36A01N59/16
CPCA01N59/20A01N59/08A01N59/06A01N59/00A01N37/36A01N37/02A01N25/02A01N2300/00A01N59/16A01N65/06A01N65/28A01N33/12
Inventor 威廉·欧内斯特·布里格斯
Owner 接触有机技术私人有限公司