Concrete-forming composition

US12110254B2 · kind B2 · utility

Assignee

• DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

• Robert Baumann · Rüschlikon, CH
• Jorn Breckwoldt · Lengede, DE
• Alexandra Hild · Soltau, DE
• Marc Schmitz · Verden, DE

Key dates

• Filing date: Feb 6, 2020
• Grant date: Oct 8, 2024
• Expiry date: Jul 7, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2111/343
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A concrete-forming composition for producing a concrete article including: (a) at least one internal curing agent including a water-insoluble crosslinked cellulose ether wherein the water-insoluble crosslinked cellulose ether has a higher water adsorption capacity compared to typically used superabsorbent polymers and wherein the water-insoluble crosslinked cellulose ether can be successfully and efficiently used as a water-insoluble crosslinked cellulose either internal curing agent in concrete-forming compositions; and (b) a cementitious material; a process for making the above concrete-forming composition; and a concrete article made from the above concrete-forming composition with the objective of reducing autogenous shrinkage and crack formation in the resulting concrete article made from the above concrete-forming composition.