Process for manufacturing a gypsum slurry or a gypsum product with the use of a wax powder, products obtained by the process and use of the wax powder for obtaining a moisture-resistant gypsum product

US10689296B2 · kind B2 · utility

Assignee

• SASOL WAX GMBH · DE

Inventors

• Gernot Meyer · Hamburg, DE
• Thorsten Frick · Hamburg, DE
• Thomas Haas · Munster, DE

Key dates

• Filing date: Dec 17, 2015
• Grant date: Jun 23, 2020
• Expiry date: Jan 8, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2111/0062
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a process for manufacturing a gypsum slurry by bringing together and mixing gypsum, water, wax powder and optionally other components, applying the gypsum slurry in a process for manufacturing a gypsum product and a gypsum product such as a plasterboard or wallboard obtained by the process and the use of the wax powder for the manufacturing of a moisture resistant gypsum product.