WO2001020987A1 - Application de tensioactifs a base de dialkylamine polyethoxylee dans les formulations agrochimiques - Google Patents

Application de tensioactifs a base de dialkylamine polyethoxylee dans les formulations agrochimiques Download PDF

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Publication number
WO2001020987A1
WO2001020987A1 PCT/IB1999/001862 IB9901862W WO0120987A1 WO 2001020987 A1 WO2001020987 A1 WO 2001020987A1 IB 9901862 W IB9901862 W IB 9901862W WO 0120987 A1 WO0120987 A1 WO 0120987A1
Authority
WO
WIPO (PCT)
Prior art keywords
surfactant
application
surfactants
formulation
agrochemical
Prior art date
Application number
PCT/IB1999/001862
Other languages
English (en)
Inventor
Pedro Brito Correia
Original Assignee
Pedro Brito Correia
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pedro Brito Correia filed Critical Pedro Brito Correia
Priority to AU12898/00A priority Critical patent/AU1289800A/en
Publication of WO2001020987A1 publication Critical patent/WO2001020987A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals

Definitions

  • the producers were mainly concerned with the efficacy of the agrochemical formulation to kill weeds, fungee or insects.
  • any non toxic and biodegradable surfactant is suitable as a component in agrochemical formulations.
  • the surface tension of the solution of the agrochemical, the penetration through the plant membranes, the phytotoxicity, the storage stability of the formulations, the synergetic effect together with the active ingredient, the price, are only some of the aspects to be considered in the selection of a surfactant for agrochemical use.
  • a - Alkyl amines polyethoxilated with alkyl groups containing more than 5 carbon atoms which can be obtained from natural fetts and oils, as tallow, coco, soja.
  • Each of one of these surfactants has one or more of the 3 following functions:
  • -It is less toxic than the surfactants of group A, as refering to oral acute toxicity in rats and irritation to eyes of rabbits
  • Polyethylene glycol is not used as a sole surfactant in formulation of the herbicide glyphosate because a cationic surfactant is needed.
  • the proposed surfactant has the following molecular structure:
  • the groups Ri and R 2 are alkyl groups with 1 to 5 carbon atoms and n may be 2 to
  • the synthesis methode is well known and consists in the reaction of dialkyl ethanol amine with ethylen oxyde at temperatures of 50 - 150 °C and pressures of atomspheric to 50 bar.
  • the surfactant obtained has a yellow brown colour, is liquide or paste according to the number n in the structure forrmula.
  • the formulation consists in the mixture of the active ingredients of the agrochemical products with other adjuvants, water, other solvents and the surfactant.
  • This surfactant was used in a formulation which will be given as a no restrictive example. Following components were mixed until total solution:

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne l'application de tensioactifs à base de dialkylamine polyéthoxylée pour la formulation de produits agrochimiques. Le tensioactif comporte entre 1 et 5 atomes de carbone dans chaque chaîne alkyle en liaison directe avec l'atome d'azote, et entre 2 et 50 groupes monomère éthoxyle. L'application de ce type de tensioactif spécialement à la préparation de formulations herbicides à base de glyphosate dans l'agriculture, le jardinage ou autre activité, présente l'avantage de ne pas faire rentrer le produit dans la classification toxicologique, avec une efficacité satisfaisante identique à celle des tensioactifs connus, mais avec une biodégradabilité accrue.
PCT/IB1999/001862 1999-09-23 1999-11-22 Application de tensioactifs a base de dialkylamine polyethoxylee dans les formulations agrochimiques WO2001020987A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU12898/00A AU1289800A (en) 1999-09-23 1999-11-22 Application of polyethoxylated dialkylamine surfactants in agrochemical formulations

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT102362P 1999-09-23
PT10236299A PT102362B (pt) 1999-09-23 1999-09-23 A aplicacao como surfactante de dialquil aminas polietoxiladas em produtos agro-quimicos

Publications (1)

Publication Number Publication Date
WO2001020987A1 true WO2001020987A1 (fr) 2001-03-29

Family

ID=20085893

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1999/001862 WO2001020987A1 (fr) 1999-09-23 1999-11-22 Application de tensioactifs a base de dialkylamine polyethoxylee dans les formulations agrochimiques

Country Status (3)

Country Link
AU (1) AU1289800A (fr)
PT (1) PT102362B (fr)
WO (1) WO2001020987A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003067983A1 (fr) * 2002-02-11 2003-08-21 Imperial Chemical Industries Plc Agents de surface et compositions d'agents de surface
US7049270B2 (en) 2000-05-19 2006-05-23 Monsanto Technology Llc Potassium glyphosate formulations
US7723265B2 (en) 2000-05-19 2010-05-25 Monsanto Technology Pesticide compositions containing oxalic acid

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719044A (en) * 1986-05-02 1988-01-12 Henkel Kommanditgesellschaft Auf Aktien Polyglycol ethers containing amino groups as foam-depressing additives in low-foam detergent preparations
EP0257686A1 (fr) * 1986-08-20 1988-03-02 Akzo N.V. Herbicides et fongicides contenant des additifs augmentant l'activité
EP0290416A2 (fr) * 1987-04-29 1988-11-09 Monsanto Europe S.A./N.V. Formulations de glyphosate
WO1995033379A2 (fr) * 1994-06-02 1995-12-14 Kao Corporation Renforçateurs d'efficacite pour produits chimiques agricoles et leur procede d'utilisation
WO1998024313A1 (fr) * 1996-12-06 1998-06-11 Huntsman Surfactants Technology Corporation Compositions herbicides

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719044A (en) * 1986-05-02 1988-01-12 Henkel Kommanditgesellschaft Auf Aktien Polyglycol ethers containing amino groups as foam-depressing additives in low-foam detergent preparations
EP0257686A1 (fr) * 1986-08-20 1988-03-02 Akzo N.V. Herbicides et fongicides contenant des additifs augmentant l'activité
EP0290416A2 (fr) * 1987-04-29 1988-11-09 Monsanto Europe S.A./N.V. Formulations de glyphosate
WO1995033379A2 (fr) * 1994-06-02 1995-12-14 Kao Corporation Renforçateurs d'efficacite pour produits chimiques agricoles et leur procede d'utilisation
WO1998024313A1 (fr) * 1996-12-06 1998-06-11 Huntsman Surfactants Technology Corporation Compositions herbicides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WYRILL J B ET AL: "GLYPHOSATE TOXICITY TO COMMON MILKWEED AND HEMP DOGBANE AS INFLUENCED BY SURFACTANTS", WEED SCIENCE,US,WEED SCIENCE SOCIETY OF AMERICA, CHAMPAIGN, IL, vol. 25, no. 3, 1 May 1977 (1977-05-01), pages 275 - 287, XP002034447, ISSN: 0043-1745 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7049270B2 (en) 2000-05-19 2006-05-23 Monsanto Technology Llc Potassium glyphosate formulations
US7723265B2 (en) 2000-05-19 2010-05-25 Monsanto Technology Pesticide compositions containing oxalic acid
US10736325B2 (en) 2000-05-19 2020-08-11 Monsanto Technology Llc Surfactants and formulations
WO2003067983A1 (fr) * 2002-02-11 2003-08-21 Imperial Chemical Industries Plc Agents de surface et compositions d'agents de surface

Also Published As

Publication number Publication date
PT102362A (pt) 2001-03-30
AU1289800A (en) 2001-04-24
PT102362B (pt) 2002-09-30

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