Patent · US Active

Aqueous corrosion protection formulation based on silanes

US11168221B2 · kind B2 · utility

0Cited by

7References

13Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Philipp Albert · Bad Kötzting, DE
Eckhard Just · Rheinfelden (Baden), DE

Key dates

Filing date	Jan 18, 2019
Grant date	Nov 9, 2021
Priority date	—
Expiry date	Jan 18, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31663
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The present invention relates to a composition comprising —a specific binder containing at least one cocondensate based on at least one ω-glycidyloxyalkylalkoxysilane and a bis(alkoxyalkylsilyl)amine, —water, —alcohol in an amount of less than 3% by weight, based on the composition, —at least one addition selected from the group consisting of particulate metals, metal alloys and metal compounds and —optionally at least one additive, where the pH of the composition is from 1 to 14 and the dry residue of the binder is from 1 to 50% by weight, based on the binder used, a process for the production thereof and also the use thereof for coatings, in particular for the protection of metals against corrosion.

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