トルエンジイソシアネートの製造方法 - Beyer Material science Aktiengesellschaft Bayer MaterialScience AG

Title:

トルエンジイソシアネートの製造方法

Document Type and Number:

Japanese Patent JP5599130

Kind Code:

B2

Abstract:

The invention relates to a process for the production of toluene diisocyanate, in which the crude toluenediamine obtained from the hydrogenation is purified and then phosgenated. The purification step reduces the total amount of cyclic ketones to less than 0.1 % by weight, based on 100% by weight of the toluenediamine.

More Like This:

WO/2014/073672	METHOD FOR PRODUCING ALDEHYDE COMPOUND
JPS62221661	ALIPHATIC DIISOCYANATES AND USE FOR MANUFACTURING POLYURETHANE PLASTIC
JPH06234722	PRODUCTION OF 2,6,2'-TRIISOCYANATOETHYL HEXANOATE BY USING AROMATIC NITRILE SOLVENTT

Inventors:

Joachim Zechlin
Bernd Penne man
Fleet Helm シュテ fence
ウェンビン Chee

Application Number:

JP2007150682A

Publication Date:

October 01, 2014

Filing Date:

June 06, 2007

Export Citation:

Click for automatic bibliography generation Help

Assignee:

Beyer Material science Aktiengesellschaft Bayer MaterialScience AG

International Classes:

C07C263/10; C07C209/36; C07C209/84; C07C211/50; C07C265/14; C07B61/00

Attorney, Agent or Firm:

Toshio Yano
Takuya Kuno
アインゼル Felix-Reinhardt

Previous Patent: イソシアネートの製造方法

Next Patent: JPS5599131