Hot sealing compound for aluminum foils applied to polypropylene and polystyrene

US7498373B2 · kind B2 · utility

Assignee

• ROEHM GMBH & CO. KG · DE

Inventors

• Guenter Schmitt · Darmstadt, DE
• Michael Wicke · Seeheim-Jugenheim, DE
• Juergen Hartmann · Ludwigshafen, DE
• Klaus Schultes · Wiesbaden, DE
• Helmut Schwind · Hanau, DE
• Thomas Arnold · Winslow, US

Key dates

• Filing date: Feb 5, 2002
• Grant date: Mar 3, 2009
• Expiry date: Oct 11, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/04
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a hot sealing system comprised of an olefin polymer or of an olefin polymer A, of a methacrylate polymer B, of a graft polymer A-X consisting of the above-mentioned constituents and of a solvent or solvent mixture. The hot sealing system is characterized by having a high thermal stability and short sealing times.