Nanostructured composite materials with self-healing properties

US12269951B2 · kind B2 · utility

Assignee

• Leibniz-Institut für Neue Materialien gemeinnützige GmbH · DE

Inventors

• Carsten Becker-Willinger · Riegelsberg, DE
• Budiman Ali · Riegelsberg, DE
• Jessica Brunke · Sankt Gallen, CH
• Gerhard Wenz · Sankt Ingbert, DE
• Devid Hero · Losheim am See, DE

Key dates

• Filing date: Mar 21, 2019
• Grant date: Apr 8, 2025
• Expiry date: Jan 7, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2312/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A self-healing composite material includes at least one cross-linked polyrotaxane and at least one organically modified inorganic hybrid material which comprises functional groups (B) or at least one type of surface-modified inorganic particles which have functional groups (B) on their surface. The polyrotaxane is a cross-linked polyrotaxane and at least two of the threaded ring-shaped molecules are cross-linked by linking of the functional groups (A) and (B).