Phyllosilicate-impregnated melamine-formaldehyde foam

US11236212B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Sebastian Alexander Weisse · Ludwigshafen am Rhein, DE
• Tobias Heinz Steinke · Speyer, DE
• Bernhard Vath · Mannheim, DE
• Werner Lenz · Bad Dürkheim, DE

Key dates

• Filing date: Aug 30, 2018
• Grant date: Feb 1, 2022
• Expiry date: Sep 26, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2475/04
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

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.