Sucrose based polyether polyols

Details Sucrose based polyether polyols Sucrose based polyether polyols

1978-06-12

1980-10-28

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521175, 536120, C08G 1850, C08G 6526, C08G 1814

Patent

active

042308240

ABSTRACT:
The invention provides a means for making a high functional (.gtoreq.6.5), low viscosity, low hydroxyl number sucrose-based polyether polyol. The process involves the use of a polyalkylene polyamine, such as diethylenetriamine, as both co-initiator and catalyst for the alkoxylation reaction of sucrose. These polyols are particularly suited for the production of rigid polyurethane foams having excellent dimensional stability, particularly at low temperatures.

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