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公开(公告)号：US20250051164A1
公开(公告)日：2025-02-13
申请号：US18723301
申请日：2022-12-20
Applicant: ARKEMA FRANCE
Inventor： Jean-Marc SAGE , Emmanuel ACHARD
Abstract: The invention relates to a process for preparing hydrazine hydrate, comprising a step of hydrolyzing an azine in a distillation column in the presence of at least one silicone of the polydialkylsiloxane, polydiarylsiloxane or polyalkyl-arylsiloxane formula.
The invention also relates to the use of at least one silicone of the polydialkylsiloxane formula as an anti-foaming agent in a process for preparing azine hydrate.
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