Preparation process of polyoxyalkylene polyamine having terminal

Details Preparation process of polyoxyalkylene polyamine having terminal Preparation process of polyoxyalkylene polyamine having terminal

1989-11-14

1991-05-14

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564474, 564480, C07C21302

Patent

active

050157744

ABSTRACT:
A process for preparing polyoxyalkylene polyamine having secondary amino groups at the end of polymer chain by reaction of polyoxyalkylene polyol with primary amine is disclosed.
Polyoxyalkylene polyamine having higher content of the secondary amino groups can be obtained by using a catalyst containing (1) Ni and Zn, (2) Co and Zn, or (3) Ni, Co and Zn; by using a conventionally known catalyst in the presence of monohydric alcohol; or by using the catalyst containing (1) Ni and Zn, (2) Co and Zn, or (3) Ni, Co and Zn, in the presence of monohydric alcohol.

REFERENCES:
patent: 3373204 (1968-03-01), Hales et al.
patent: 4625030 (1986-11-01), Best
patent: 4766245 (1988-08-01), Larkin et al.
patent: 4855505 (1989-08-01), Koll

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