Patent · US Active

Use of polypropylene oxide or ethylene oxide-propylene oxide copolymers in combination with starch ether derivatives as additive in dry mortar compositions

US9593046B2 · kind B2 · utility

9Cited by

5References

8Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Thomas Bastelberger · Emmerting, DE
Reinhard Härzschel · Burghausen, DE
Xi Zhang · Singapore, SG

Key dates

Filing date	Apr 5, 2012
Grant date	Mar 14, 2017
Priority date	—
Expiry date	Jun 3, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/035
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The use of an adhesion-promoting additive combination composed of one or more polyalkylenoxides out of the group comprising polypropylene oxides and ethylene oxide-propylene oxide copolymers, and of one or more starch ether derivatives out of the group comprising carboxyalkyl starch ethers and their alkali salts, and hydroxyalkyl starch ethers, in mortar compositions comprising mineral binders and water-redispersible polymer powders.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.