Method for reducing grain size of AC foaming agent

The invention relates to a method for effectively reducing the grain size of an AC foaming agent. In the invention, hydrazine hydrate and urea are used as raw materials, an alkaline method is used for synthesizing biurea which is the intermediate of the AC foaming agent, and the biurea is oxidized t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DENG DONGHUA, GE QING, XIONG YING, NIU DELIANG, SHUI SHENGXIA, WU FANHONG, ZHAO MIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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