Cold flexible polyurethane formulation

US11091652B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Nils Mohmeyer · Mannheim, DE
• Onno Graalmann · Dossenheim, DE
• Christof Grieser-Schmitz · Lemförde, DE
• Andrea Eisenhardt · Vechta, DE
• Josep-Daniel Eslava · Rubí, ES

Key dates

• Filing date: Jan 22, 2018
• Grant date: Aug 17, 2021
• Expiry date: Jul 1, 2038

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F17C2270/0105
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Described herein are processes for producing cold-flexible polyurethane insulation, in which (a) polyisocyanates are mixed with (b) compounds having groups which are reactive to isocyanates, (c) blowing agents, (d) catalysts, (e) plasticizers and optionally (f) further additives to give a reaction mixture and the mixture is applied to a surface and cured to form insulation. Also described herein is a polyurethane insulation obtainable by a process described herein.