Patent · US Active

Aqueous polycarbodiimide dispersion with improved storage stability, and method for producing same

US10882942B2 · kind B2 · utility

0Cited by

5References

15Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Joerg Buechner · Bensberg, DE
Michael Ludewig
Evgeny Avtomonov · Leverkusen, DE
Martin Melchiors · Leverkusen, DE

Key dates

Filing date	Dec 12, 2018
Grant date	Jan 5, 2021
Priority date	—
Expiry date	Dec 12, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2379/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to storage-stable aqueous dispersions of hydrophilically modified polycarbodiimide resins, a method for producing same, and the use of a salt component to reduce carbodiimide hydrolysis in aqueous polycarbodiimide dispersions.

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