Melamine formaldehyde foam with reduced formaldehyde emission
AssigneeBASF SE
InventorsSebastian Alexander Weisse, Zeljko Tomovic, Horst Baumgartl, Werner Lenz, Tobias Heinz Steinke, Bernhard Vath, Iran Otero Martinez
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Abstract
Method for lowering the formaldehyde emissions of melamine/formaldehyde polymer moldings, films or fibers by impregnating the melamine/formaldehyde polymer moldings, films or fibers with an aqueous solution of at least one formaldehyde scavenger.
Claims2
A method for lowering the formaldehyde emissions of melamine/formaldehyde polymer moldings made from melamine/formaldehyde foams by impregnating the melamine/formaldehyde polymer moldings made from melamine/formaldehyde foams with an aqueous solution a formaldehyde scavenger comprising ethylenediamine bis-acetoacetamide.
A method for preparing melamine/formaldehyde polymer moldings made from melamine/formaldehyde foams with low formaldehyde emissions, by first preparing a molding made from melamine/formaldehyde foams of a melamine/formaldehyde polymer and subsequently impregnating the surface of the melamine/formaldehyde polymer molding made from melamine/formaldehyde foams with an aqueous solution a formaldehyde scavenger comprising ethylenediamine bis-acetoacetamide.
Dependencies are inferred from the claim text.