METHOD FOR PRODUCING TERTIARY AMINE COMPOSITION

Title:

METHOD FOR PRODUCING TERTIARY AMINE COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2022/065142

Kind Code:

A1

Abstract:

The present invention provides a method for producing a tertiary amine composition, said method comprising the steps (1) to (3) described below.　Step (1): an amination reaction step wherein dimethyl amine and an aliphatic aldehyde or an aliphatic alcohol having from 8 to 36 carbon atoms are reacted with each other in the presence of a metal catalyst Step (2): a distillation step wherein a reaction liquid obtained through the step (1) is separated into a concentrate and an evaporation product that contains a low-boiling-point compound by means of distillation Step (3): a centrifugal separation step wherein the concentrate obtained through the step (2) is separated into a sediment and a liquid layer that contains a tertiary amine composition by means of a centrifugal force

Inventors:

HIRAYAMA ARATA (JP)
KOBAYASHI TAKESHI (JP)
TATENO GOSUKE (JP)
MYRDEK THOMAS (DE)

Application Number:

PCT/JP2021/033817

Publication Date:

March 31, 2022

Filing Date:

September 14, 2021

Export Citation:

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Assignee:

KAO CORP (JP)

International Classes:

C07B61/00; C07C209/14; C07C217/08

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