Polyurethanes wherein the chain-lengthening agents are benzoic ester diamines

US3991023A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Johannes Blahak · Munich, DE
• Erwin Muller · Dürnten, CH
• Uwe Dobereiner · Odenthal, DE
• Wolfgang Ebner · Dormagen, DE
• Helmut Kleimann · Leverkusen, DE

Key dates

• Filing date: Nov 29, 1974
• Grant date: Nov 9, 1976
• Expiry date: Nov 29, 1994

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/3821
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Polyurethane resins are provided, which polyurethanes are chain extended with ester diamines of the formula ##SPC1## Wherein R is C.sub.1 to C.sub.20 alkyl radical and R' is a C.sub.1 to C.sub.10 alkyl radical.