Polycarboxylate ethers with branched side chains

US9126866B2 · kind B2 · utility

Assignee

• CONSTRUCTION RESEARCH & TECHNOLOGY GMBH · DE

Inventors

• Joachim DENGLER · Trostberg, DE
• Alexander Kraus · Evenhausen, DE
• Rabie Al-Hellani · Ludwigshafen, DE
• Anna Cristadoro · Heppenheim, DE
• Silke Flakus · Ebersberg, DE
• Nicoletta Zeminian · Treviso, IT
• Ida Ros · Scorzè, IT

Key dates

• Filing date: Mar 6, 2014
• Grant date: Sep 8, 2015
• Expiry date: Mar 6, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2103/408
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A method of utilizing a copolymer for dispersing inorganic binders, the copolymer comprising as comonomers in copolymerized form at least one ethylenically unsaturated acid monomer and at least one ethylenically unsaturated, branched polyether macromonomer. Further disclosed are dispersants for inorganic binders, comprising the subject copolymer, and building material mixtures comprising inorganic binders and the subject dispersant.