Polyol for a polyurethane prepared by reacting an epoxide with t

Details Polyol for a polyurethane prepared by reacting an epoxide with t Polyol for a polyurethane prepared by reacting an epoxide with t

1981-12-30

1984-02-28

Welsh, Maurice J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

252182, 528 98, 528 99, C08G 6540

Patent

active

044342772

ABSTRACT:
A polyol for a polyurethane produced by reacting an epoxide with a reaction product obtained by reacting at least four components of (a) a phenol compound having the formula A--OH (A represents an aromatic ring having at least two reactive sites), (b) an aromatic amine having the formula B--NH.sub.2 (B represents an aromatic ring having at least two reactive sites), (c) an aldehyde and (d) an alkanolamine.

REFERENCES:
patent: 3222305 (1965-12-01), Lanham
patent: 3297597 (1967-01-01), Edwards et al.
patent: 4001329 (1977-01-01), Bell

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