Polyurethane, process for its production and polyester diol used

Details Polyurethane, process for its production and polyester diol used Polyurethane, process for its production and polyester diol used

1990-04-27

1991-12-31

Kight, III, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

521172, 521173, C08G 1830, C08G 1842

Patent

active

050773739

ABSTRACT:
Provided are a polyurethane comprising (A) a structural unit derived from polyester diol, which consists essentially of 1 to 3 members selected from the structural units (I), (II) and (III) shown below, and the structural units (IV) and (V) shown below, the molar fractions of these structural units satisfying specific relationships:

REFERENCES:
patent: 4362825 (1982-12-01), Grabhoefer
patent: 4590219 (1986-05-01), Nissen et al.
patent: 4639471 (1987-01-01), Hirai et al.
patent: 4704445 (1987-11-01), Komiya et al.

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