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公开(公告)号:US11254795B2
公开(公告)日:2022-02-22
申请号:US16463014
申请日:2017-11-14
Applicant: BASF SE
Inventor: Johann Martin Szeifert , Bernhard Vath , Tobias Heinz Steinke , Bettina Wester , Cecile Schneider , Sebastian Alexander Weisse , Peter Wolf , Werner Lenz , Axel Kirste , David John Pung , Megan Roberts
Abstract: A process for producing a melamine-formaldehyde foam by heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising at least one melamine-formal-dehyde precondensate, at least one curative, at least one surfactant, at least one blowing agent and at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10,000 g/mol and at least two functional groups selected from OH, NH2 or COOH as well as a melamine-formaldehyde foam obtainable by this process and its use.