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Aqueous adjuvant-compositions

A technology of water-based additives and compositions, applied in biocides, biocides, animal repellents, etc.

Active Publication Date: 2015-09-16
CLARIANT INT LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A common problem when using pesticides is that only a fraction of the active ingredients exert the desired activity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Example 1: Preparation of an aqueous alkyl glucamide composition according to the present invention

[0083] As described in WO92 / 06073, the commercially available C 8 / C 10 - Methyl carboxylate (C 8 - a share of 55% by weight, C 10 - a fraction of 45% by weight) for the preparation of the alkyl glucamides by reaction with N-methylglucamine in propylene glycol. A mixture is produced except for 90% by weight of alkyl glucamides of formula (I) (wherein R = C 8 h 17 or C 10 h 21 , R2=CH 3 ) in addition to 10% by weight of propylene glycol from the reaction mixture. 60 g of this mixture were dissolved in 40 g of water. A stable aqueous solution of C8 / 10-N-methylglucamide with a content of 54% by weight in water / propylene glycol was thus obtained.

Embodiment 2

[0084] Example 2: Tests for the Preparation of Aqueous Alkyl Glucamide Compositions Not According to the Invention (Comparative Example)

[0085] As described in WO92 / 06073, the commercially available C 12 / C 14 - Methyl carboxylate (C 12 - a share of 69% by weight, C 14 - fraction 25% by weight, other chain constituents 6% by weight) for the preparation of the alkyl glucamides by reaction with N-methylglucamine in propylene glycol. A mixture is produced except for 90% by weight of alkyl glucamides of formula (I) (wherein R = C 12 h 23 or C 14 h 29 , R2=CH 3 ) in addition to 10% by weight of propylene glycol from the reaction mixture. The mixture was tested to be dissolved in water similarly to Example 1, but no stable solution was obtained. The results are summarized in Table 1.

Embodiment 3

[0086] Example 3: Tests for the Preparation of Aqueous Alkyl Glucamide Compositions Not According to the Invention (Comparative Example)

[0087] As described in WO92 / 06073, the commercially available C 16 / C 18 - Methyl carboxylate (C 16 - a share of 38% by weight, C 18 - 60% by weight fraction, 2% by weight other chain constituents) for the preparation of the alkyl glucamides by reaction with N-methylglucamine in propylene glycol. A mixture is produced except for 90% by weight of alkyl glucamides of formula (I) (wherein R = C 16 h 23 or C 18 h 37 , R2=CH 3 ) in addition to 10% by weight of propylene glycol from the reaction mixture. The mixture was tested to be dissolved in water similarly to Example 1, but no stable solution was obtained. The results are summarized in Table 1.

[0088] Table 1: Dissolution test of long chain alkyl glucamides in water

[0089]

[0090] because C cannot be prepared 12 / C 14 - Stable and manageable solutions of glucosamides, so...

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Abstract

The invention relates to an aqueous adjuvant composition containing: a) one or more alkyl glucamides of formula (I) wherein R1 is a linear or branched alkyl group with five to nine carbon atoms and R2 is an alkyl group with one to three carbon atoms; b) water; c) optionally a co-solvent. The invention further relates to the use of such compositions to increase the biological activity of pesticides, preferably of herbicides, and to produce an aqueous pesticide composition.

Description

technical field [0001] The present invention relates to an aqueous adjuvant composition comprising an alkyl glucamide, the use of the adjuvant composition for preparing an aqueous pesticide composition, and an aqueous pesticide composition comprising an alkyl glucamide. Background technique [0002] Pesticides (especially fungicides, herbicides, and insecticides) are chemical substances, either synthetically prepared or of natural origin, which are capable of penetrating plant cells, plant tissue, or parasites in or on plants and which are harmful to and / or destroy plants. The vast majority of pesticides are herbicides. Pesticides are commonly used in the agricultural sector in the form of liquid or solid concentrated formulations (formulations). This not only makes the operation easy for the user but also ensures high availability of the active ingredients. The formulation is usually diluted with water before use and then applied by spray application. [0003] Water-sol...

Claims

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Application Information

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IPC IPC(8): A01N25/30A01N57/20A01N39/04A01P13/00
CPCA01N39/04A01N25/30A01N57/20A01N2300/00A01N37/40A01N41/06A01N43/40A01N43/88A01N57/12
Inventor A·瓦克尔
Owner CLARIANT INT LTD
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