Composite material comprising a polyurethane-polyacrylate resin matrix

US11512164B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Nicolas Stoeckel · Cologne, DE
• Marcel Schornstein · Neuss, DE
• Kai Laemmerhold · Aachen, DE
• Guobin Sun · Shanghai, CN

Key dates

• Filing date: Sep 12, 2018
• Grant date: Nov 29, 2022
• Expiry date: Jul 17, 2039

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/72
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to an isocyanate-reactive component B) comprising: B1) one or more organic polyols selected from the group consisting of polyether polyols, polyester polyols, polyetherester polyols, polymer polyols, polycarbonate polyols and polyethercarbonate polyols; B2) one or more compounds having the structure of Formula (I) wherein R1 is selected from the group consisting of hydrogen, methyl or ethyl; R2 is selected from the group consisting of alkylene having 2 to 6 carbon atoms, 2,2-bis(4-phenylene)propane, 1,4-bis(methylene)benzene, 1,3-bis(methylene)benzene, 1,2-bis(methylene)benzene; n is an integer selected from 1 to 6; and B3) at least one radical reaction adjuvant selected from the group consisting of aryl-substituted olefins, a composite material comprising a thermosetting polyurethane-polyacrylate resin matrix made with such isocyanate-reactive component B) and a reinforcement material and a process of preparing the same.