PROCESS FOR PRODUCING MELAMINE-FORMALDEHYDE FOAMS USING FLUORINATED BLOWING AGENTS

A process for producing a melamine-formaldehyde foam, said process comprising heating and foaming a mixture comprising at least one melamine-formaldehyde precondensate, at least one curative, at leasta surfactant and a blowing agent mixture, wherein that blowing agent mixture comprises 2.5 to 20 wt....

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Bibliographic Details
Main Authors WEISSE SEBASTIAN ALEXANDER, SZEIFERT JOHANN MARTIN, WOLF P, VATH BERNHARD
Format Patent
LanguageChinese
English
Published 11.12.2020
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:A process for producing a melamine-formaldehyde foam, said process comprising heating and foaming a mixture comprising at least one melamine-formaldehyde precondensate, at least one curative, at leasta surfactant and a blowing agent mixture, wherein that blowing agent mixture comprises 2.5 to 20 wt.-% of a fluorinated ether. 一种制备三聚氰胺-甲醛泡沫的方法，所述方法包括加热包含以下物质的混合物并使其发泡：至少一种三聚氰胺-甲醛预缩合物、至少一种固化剂、至少一种表面活性剂和发泡剂混合物，其中所述发泡剂混合物包含2.5至20重量％的氟化醚。
Bibliography:Application Number: CN202010515777