Title:
PRODUCTION OF POLYURETHANE AND PRODUCTION OF POLYURETHANE FOAM
Document Type and Number:
Japanese Patent JP3262366
Kind Code:
B2
Abstract:
PURPOSE: To produce the subject polymer excellent in packability without using a remarkably irritating catalyst such as a tert-amine by using a specified tert- amino alcohol in combination with a specified carboxylic acid as the polyol components.
CONSTITUTION: A tert-amino alcohol of the formula (R1 is a 2 to 24C chain alkylene, or arylene, etc.; R2 is a 1 to 24C chain alkyl, or aryl, etc.; n is average polymerization degree and 1 to 50) is blended with a carboxylic acid (preferably formic acid) of formula R3COOH (R3 is H, or a 1 to 25C chain alcohol, etc.) in a molar ratio of (the former/the latter) = (1/0.01) to (1/37.5). The resultant mixture is used as a polyol component and the polyol component is reacted with a polyisocyanate component. The tert-amino alcohol of the formula is obtained recommendably by reacting a diol such as 1,3-butanediol with a primary amine such as dimethylamine with stirring in the presence of a catalyst having a composition of copper-Ni-VIII group platinum family element, etc., at 150 to 250°C while removing generated water out of the system.
Inventors:
Tetsuro Fukushima
Yasutoshi Isayama
Masayoshi Morii
Shoichiro Harada
Hiroshi Kitagawa
Yasutoshi Isayama
Masayoshi Morii
Shoichiro Harada
Hiroshi Kitagawa
Application Number:
JP9799992A
Publication Date:
March 04, 2002
Filing Date:
April 17, 1992
Export Citation:
Assignee:
Kao Corporation
International Classes:
C08G18/18; C08G18/30; C08G18/32; C08G18/34; C08G18/50; C08J9/02; C08G101/00; (IPC1-7): C08G18/32; C08G18/18; C08G18/34
Domestic Patent References:
| JP2199136A |
Attorney, Agent or Firm:
Kaoru Furuya (3 outside)