Hardeners for elastic epoxy resin systems

US5847027A · kind A · utility

Assignee

• Vianova Resins AG · DE

Inventors

• Manfred Marten · Mainz, DE
• Claus Godau · Kiedrich, DE
• Uwe Neumann · Coburg, DE

Key dates

• Filing date: Apr 1, 1996
• Grant date: Dec 8, 1998
• Expiry date: Apr 1, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G59/4007
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Hardeners for elastic epoxy resin systems, obtained by reaction of PA1 (A) reaction products of epoxide compounds (A1) with sterically hindered amines (A3), and/or PA1 (B) cyclic carbonates prepared from the compounds (A) and carbon dioxide, and/or PA1 (C) cyclic carbonates prepared from reaction products PA1 (C1) of epoxide compounds (C11) with polyoxyalkyleneamines (C13) and carbon dioxide, and, if desired PA1 (D) additional epoxide compounds or unreacted residues of the initial epoxides for the preparation of (A), (B) and (C), with PA1 (E) polyamines having at least two secondary amino groups, and PA1 (F) if desired, further reactants, each of the epoxide compounds (A1) and (C11) containing at least two epoxide groups, and it being possible for monoepoxides to be admixed in each case, if desired.