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CLOMAZONE COMPOSITION, PREPARATION AND USE THEREOF
专利权人:
ROTAM AGROCHEM INTERNATIONAL CO. LTD.
发明人:
JAMES TIMOTHY BRISTOW,YIFAN WU
申请号:
FR1552159
公开号:
FR3019000B1
申请日:
2015.03.17
申请国别(地区):
FR
年份:
2018
代理人:
摘要:
A composition comprises an active ingredient contained within a microcapsule having a shell comprises a urea-formaldehyde resin. Preferably the active ingredient is clomazone and the composition is a herbicidal composition. Also claimed is a method of preparing a microencapsulated composition comprising an encapsulated active ingredient, the method comprises preparing a urea-formaldehyde prepolymer by the reaction of urea and formaldehyde; dispersing the active ingredient and a water insoluble liquid carrier in an aqueous phase to form an emulsion; and adding the urea-formaldehyde prepolymer to the emulsion and allowing the components thereof to react to form microcapsule walls at the interface of the dispersed organic phase and the aqueous phase, so as to encapsulate the organic phase.
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