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Water emulsifiable formulations

A technology of pesticides and carbonates, applied in the field of water-emulsifiable compositions, can solve the problems of high flash point, poor biodegradability and harmfulness

Inactive Publication Date: 2006-05-03
HUNTSMAN PETROCHEMICAL LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these solvents are believed to be harmful to humans, have high volatility, high flash points and / or poor biodegradability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment - 2

[0018] Example - Diazine Pesticides

[0019] lb / US gallon

[0020] a An octylphenol surfactant containing 10 moles of ethylene oxide added to the phenolic group, supplied by Rhodia, Inc.

[0021] water

[0022] From the above data it can be seen that the formulation has good dispersibility, little or acceptable creaminess, and an acceptably small percentage of solids sedimentation over time.

Embodiment

[0023] Example - Malathion Formulation

[0024] lb / US gallon

weight%

Malathion (technical grade, 92%)

TOXIMUL MP-26 b

Propylene carbonate

5.48

0.79

3.77

10.04

54.60

7.88

37.52

100.00

[0025] b A blend of nonionic surfactants and dodecylbenzenesulfonate (DDBS).

[0026] water

Hardness

dispersed state

Paste

Settling % over time

start

heavy stirring

10 points

30 points

60 points

24 hours

10 points

30 points

60 points

150

500

800

it is good

it is good

it is good

few

few

few

none

none

none

none

none

none

none

none

none

0.60

0.80

0.80

none

none

none

none

none

none

none

none

none

[0027] From the above data, it can be seen that the preparation has good di...

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PUM

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Abstract

A composition comprising an organic carbonate such as propylene carbonate and O,O-diethyl-O-(2-isopropyl-4-methyl-6-pyrimidinyl)phosphorothioate, S-[1,2-bis(ethoxycarbonyl)ethyl]O,O-dimethylphosphorodithioate, or 6,7,8,9,10, 10-hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepin-3-oxide, and methods thereof.

Description

Background of the invention [0001] The present invention relates to O, O-diethyl-O-(2-isopropyl-4-methyl-6-pyrimidinyl) phosphorothioate (diazinon insecticide), S-[1,2- Stable water-emulsifiable compositions of bis(ethoxycarbonyl)ethyl]O,O-dimethyl phosphorodithioate (malathion insecticide) or endosulfan with organic carbonate solvents. More specifically, the present invention relates to compositions containing, as organic carbonates, alkylene carbonates or dialkyl carbonates or both. [0002] Xylene, kerosene and cyclohexanone have been used as O, O-diethyl-O-(2-isopropyl-4-methyl-6-pyrimidinyl) phosphorothioate, S-[1,2 - Solvents for pesticide formulations of bis(ethoxycarbonyl)ethyl]O,O-dimethyl phosphorodithioate or endosulfan. However, these solvents are believed to be harmful to humans, have high volatility, high flash points and / or poor biodegradability. Due to the inclusion of these solvents and O, O-diethyl-O-(2-isopropyl-4-methyl-6-pyrimidinyl) phosphorothioate, S...

Claims

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Application Information

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IPC IPC(8): A01N57/16A01N25/02A01N43/24A01N57/12
CPCA01N43/24A01N57/12A01N57/16A01N47/06A01N43/32A01N43/28A01N25/02A01N25/04A01N2300/00
Inventor E·T·马奎斯G·P·斯佩兰扎H·P·克雷恩
Owner HUNTSMAN PETROCHEMICAL LLC
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