Process for the production of polyether polyols

Details Process for the production of polyether polyols Process for the production of polyether polyols

1981-03-02

1983-04-19

Lieberman, Allan

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

536 183, 536120, 568620, C07H 304, C09K 300

Patent

active

043805027

ABSTRACT:
Polyether polyols are made by alkoxylating a mixture which is from 20-80 weight % sucrose and 80-20 weight % formitol. The product polyether polyols have an average hydroxyl functionality of at least 3 and a hydroxyl number of from 28 to 1000. These polyether polyols are particularly useful for the production of rigid polyurethane foams.

REFERENCES:
patent: 2652394 (1953-09-01), Groote
patent: 2990376 (1961-06-01), Bressler et al.
patent: 3055085 (1962-09-01), Mayne
patent: 3085085 (1963-04-01), Wismer
patent: 3153002 (1964-10-01), Wismer
patent: 3277070 (1966-10-01), Yatsuzuka
patent: 3305535 (1967-02-01), Merten et al.
patent: 3442888 (1969-05-01), Degginger et al.
patent: 3449318 (1969-06-01), Roth et al.
patent: 4187355 (1980-02-01), Wagner
Journal of Organic Chemistry, vol. 13, 1948, pp. 782-784, J. W. LeMaistre & Raymond B. Seymour, Reaction of Sucrose with Ethylene Oxide.

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