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Jean-Philippe Gingras

Eric Jorda

Maurice Bourrel

Philippe A Tanguy

Mélanie Bousque

Christian Laemmer

Louis Fradette

An emulsifiable concentrate for emulsified phytosanitary composition, including more than 90% by weight of at least one mixture of hydrocarbons having a distillation cut greater than 250&#xb0; C., less than 20% by weight of n-paraffins and less than 1% aromatics, and from 1 to 4% by weight of a mixture of at least two surfactants TA1 and TA2, such that TA2 is more hydrophobic than TA1, the HLB of the mixture of which varies from 6 to 10.

Emulsifiable concentrate for a phytosanitary composition, phytosanitary composition and phytosanitary film

The invention concerns a semi-continuous method for preparing an emulsion of droplets of a phase A in a phase B, including the following steps: (i) mixing an amount of phase A and an amount of phase B using a multi-shaft mixing system comprising at least one scraping agitator, so as to obtain a dispersion of phase A in phase B with a volume concentration of phase A higher than 74%; (ii) diluting the dispersion obtained in step (i) by adding an additional amount of phase B, and mixing using said multi-shaft mixing system, so as to obtain an emulsion of droplets of a phase A in a phase B.

Method for preparing a calibrated emulsion

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Pau, France

Jean-Philippe Gingras