Amino resin mixture for producing foils and endings with reduced formaldehyde elimination

US6762222B2 · kind B2 · utility

Assignee

• Solutia Germany GmbH & Co. KG · DE

Inventors

• Frank Scholl · Schwieberdingen, DE
• Johann Wonner · Frankfurt am Main, DE
• Gerald Hobisch · Graz, AT

Key dates

• Filing date: May 2, 2001
• Grant date: Jul 13, 2004
• Expiry date: Aug 1, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L61/32
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Aqueous amino resin compositions comprising amino resins A, formaldehyde-binding additives (auxiliaries) B, which may include hydroxyl-containing polyurethanes B13, acrylic resins C, if desired, in the form of aqueous dispersions, and water, and their use as impregnating compositions for paper for the purpose of producing finished foils and edgings.