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HERBICIDAL COMPOSITION, A METHOD FOR ITS PREPARATION AND THE USE THEREOF
专利权人:
LTD.;JIANGSU ROTAM CHEMISTRY CO.
发明人:
James Timothy BRISTOW,Yifan WU
申请号:
US15126258
公开号:
US20170079272A1
申请日:
2015.03.06
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A herbicidal composition comprising an aqueous suspension of microcapsules is provided. The microcapsules have a capsule wall of a porous condensate polymer, wherein the microcapsules contain a solution of clomazone in a solvent system comprising one or more non-edible oils. A method for preparing the composition comprises providing a water immiscible phase comprising clomazone, an isocyanate and optionally an ACD cross-linker, dissolved in a solvent system comprising a non-edible oil; providing an aqueous phase comprising one or more surfactants; combining the water immiscible phase and the aqueous phase to form a dispersion of the water immiscible phase in the aqueous phase; thereby forming microcapsules of polyurea containing droplets of the water immiscible phase; and curing the microcapsules.
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