Process for modifying the glycolysis reaction product of polyure

Details Process for modifying the glycolysis reaction product of polyure Process for modifying the glycolysis reaction product of polyure

1992-12-11

1994-04-05

Welsh, Maurice J.

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

Synthetic resins

Process of treating scrap or waste product containing solid...

521 495, C08G 1814

Patent

active

053005309

ABSTRACT:
A process for converting polyurethane foam into reusable polyol composition which comprises glycolyzing the polyurethane foam to yield a glycolysis polyol product containing amines and reacting the glycolysis polyol product with an alkylene oxide in a mole ratio of <1 mole of alkylene oxide per mole of active amine hydrogen atom in the glycolysis polyol product.

REFERENCES:
patent: 2937151 (1960-04-01), Ten Broeck
patent: 3708440 (1973-01-01), Frulla et al.
patent: 3738946 (1973-06-01), Frulla et al.
patent: 3983087 (1975-07-01), Tucker et al.
patent: 4044046 (1977-08-01), Kondo et al.
patent: 4110266 (1978-08-01), Sheratte

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