Glass/plastic compounds

US6809134B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Robert Greiner · Baiersdorf, DE
• Heinrich Kapitza · Fürth, DE
• Manfred Ochsenkuehn · Starnberg, DE

Key dates

• Filing date: Oct 15, 2002
• Grant date: Oct 26, 2004
• Expiry date: Oct 15, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K3/40
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The thermoplast-based glass/plastic compounds according to the invention contain a low melting point sulfophosphate glass having the following composition: 4 to 10% Li2O; 4 to 10% Na2O; 4 to 8% K2O; 1 to 2% CaO; 35 to 37% ZnO; 0 to 3% La2O3; 19 to 22% P2O5 and 19 to 22% SO3, a high-performance thermoplast, an organic additive and/or a mineral filling material and optionally also carbon black and/or a sterically hindered phosphite or phenol.