Production of polyalkylene glycol ethers from formose and use th

Details Production of polyalkylene glycol ethers from formose and use th Production of polyalkylene glycol ethers from formose and use th

1978-08-17

1980-02-05

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 77, 528249, 528250, 536120, C08G 1814

Patent

active

041873556

ABSTRACT:
This invention relates to a process for the production of novel polyalkylene glycol ethers based on a mixture of polyhydric alcohols, hydroxyaldehydes and hydroxy ketones produced by the auto-condensation of formaldehyde hydrate (formose). The improvement realized is in the use of an acid catalysis rather than the normal base catalysis. The new polyether polyols are valuable starting materials for the production of polyurethane foams.

REFERENCES:
patent: 3202620 (1965-08-01), Merten et al.
patent: 3846347 (1974-11-01), Satterly
Partridge et al., Carbohydrate Research 24, 1972, pp. 29-44.

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