公开(公告)号：US11254795B2

公开(公告)日：2022-02-22

申请号：US16463014

申请日：2017-11-14

申请人： BASF SE

发明人： 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

IPC分类号： C08J9/00 ,  C08J9/14 ,  C08G12/32

摘要： 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.

公开(公告)号：US11236212B2

公开(公告)日：2022-02-01

申请号：US16646643

申请日：2018-08-30

申请人： BASF SE

发明人： Sebastian Alexander Weisse ,  Tobias Heinz Steinke ,  Bernhard Vath ,  Werner Lenz

IPC分类号： C08J9/40 ,  C08J9/00 ,  C08K9/06

摘要： A melamine/formaldehyde foam having an open-cell foam structure, with an impregnation applied to the foam structure that comprises at least one particulate phyllosilicate surface-modified with aminosilane and at least one anionically- and/or nonionically-stabilized polyurethane dispersion.