Aqueous binders granulated and/or fibrous substrates

US9068070B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Markus Braun · Mannheim, DE
• Christian Krueger · Stuttgart, DE

Key dates

• Filing date: Sep 15, 2009
• Grant date: Jun 30, 2015
• Expiry date: Feb 13, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2205/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Aqueous binders for granular and/or fibrous substrates comprising as active constituents: a) at least one polymer which is obtainable by free-radical addition polymerization and comprises in copolymerized form ≧5.5% and ≧20% by weight of an α,β-ethylenically unsaturated monocarboxylic or dicarboxylic acid [polymer A], b) at least one polymer which is obtainable by free-radical addition polymerization and comprises in copolymerized form ≧40% by weight of an α,β-ethylenically unsaturated monocarboxylic or dicarboxylic acid [polymer B], and c) at least one polyol compound having at least two hydroxyl groups [polyol C].