Polyurethane casting resins and potting compounds produced therefrom

US9376564B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Florian Hupka · Mülheim an der Ruhr, DE
• Marcel Schornstein · Neuss, DE
• Dirk Wegener · Bielefeld, DE
• Harald Rasselnberg · Dormagen, DE
• Erhard Michels · Neunburg vorm Wald, DE

Key dates

• Filing date: Aug 16, 2013
• Grant date: Jun 28, 2016
• Expiry date: Aug 16, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2205/03
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to polyurethane casting resins for producing polyurethane potting compounds, which can be obtained from a reaction mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said compounds.