Alkoxylated ethylene glycol diamine bottoms products for rigid u

Details Alkoxylated ethylene glycol diamine bottoms products for rigid u Alkoxylated ethylene glycol diamine bottoms products for rigid u

1987-10-30

1989-12-05

Lone, Werren H.

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

Organic compounds

Amino nitrogen containing

564476, C07C 8902

Patent

active

048853909

ABSTRACT:
Novel amino polyols made by alkoxylating ethylene glycol diamine bottoms products, such as triethylene glycol diamine bottoms products, and tetraethylene glycol diamine bottoms products are described. For example, these bottoms products, alone or together, maybe propoxylated in a non-catalytic reaction to give amino polyols that are useful in producing rigid polyurethane foams. The resultant foams have better K-factors and a higher percentage of closed cells than comparable foams made with conventional amino polyols.

REFERENCES:
patent: 2792372 (1957-05-01), Dickson
patent: 2884459 (1959-04-01), Kirkpatrick et al.
patent: 3297597 (1967-01-01), Edwards
patent: 4115304 (1978-09-01), Chadwick
patent: 4465858 (1984-08-01), Cuscurida
patent: 4479010 (1984-10-01), Cuscurida
patent: 4485196 (1984-11-01), Speranza

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