Patent · US Active

Method for the synthesis of polymer carbodiimides with added cesium salts, polymer carbodiimides, and use thereof

US10351652B2 · kind B2 · utility

0Cited by

6References

14Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Wilhelm Laufer · Ellerstadt, DE
Oliver Herd · Wuppertal, DE
Rolf Sperber · Wissen, DE

Key dates

Filing date	Jun 14, 2016
Grant date	Jul 16, 2019
Priority date	—
Expiry date	Jun 14, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2170/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to processes for producing polymeric carbodiimides by addition of cesium salts and to polymeric carbodiimides produced by this process and to the use thereof as a hydrolysis inhibitor, especially in polyurethane (PU)-based systems, preferably thermoplastic TPU, PU adhesives, PU casting resins, PU elastomers or PU foams.

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