Plastic component comprising a carbon filler

US10981834B2 · kind B2 · utility

Assignee

• SGL CARBON SE · DE

Inventors

• Oswin Öttinger · Meitingen, DE
• Dominik Rivola · Meitingen, DE
• Jürgen Bacher · Wertingen, DE

Key dates

• Filing date: Nov 24, 2016
• Grant date: Apr 20, 2021
• Expiry date: Jan 31, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2237/363
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A composite material containing carbon and a plastic includes: a) provision of a pulverulent composition with one or more components of amorphous carbon, graphite and mixed forms thereof, b) provision of a liquid binder, c) planar deposition of a layer consisting of the material provided in step a) and local deposition of droplets of material provided in step b) onto this layer and any number of repetitions of step c), the local deposition of the droplets in the successive repetitions of this step being adapted according to the desired shape of the component to be produced, d) at least partial curing or drying of the binder to obtain a green body that has the desired shape of the component, e) impregnation of the green body with a liquid synthetic resin and f) curing of the synthetic resin to produce a synthetic resin matrix.