Self-adhesive coating for polypropylene foam materials

US4699945A · kind A · utility

Assignee

• Firma Carl Freudenberg · DE

Inventors

• Jorg Hausdorf · Fürth, DE
• Joachim Kandler · Lechenich, DE
• Volker Siekermann · Fürth, DE
• Wilfried Getrost · Leonberg, DE

Key dates

• Filing date: Mar 21, 1986
• Grant date: Oct 13, 1987
• Expiry date: Mar 21, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/16
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Disclosed is a self-adhesive coating for polypropylene foams. The coating is the chemical crosslinking product of 2-chlorobutadiene/methacrylic acid copolymer and a prepolymer of an aminoplastic or phenolic plastic containing methylol groups.