Patent · US Active

Polyester polyol-containing polyurethane systems having improved hydrolytic stability

US10450402B2 · kind B2 · utility

0Cited by

22References

7Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Gary Dale Andrew · Walnutport, US
Juan Jesus Burdeniuc · Macungie, US
Goran Zarkov · Macungie, US

Key dates

Filing date	Jun 13, 2018
Grant date	Oct 22, 2019
Priority date	—
Expiry date	Jun 13, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/546
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(C1-C4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition.

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