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...
Patent
1986-05-02
1987-10-06
Kight, 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...
528 74, C08G 1877, C08G 1832
Patent
active
046984097
ABSTRACT:
The process for preparing a polyurethane by reaction of a polyol component and a polyisocyanate, the improvement comprising using as part of the polyol component a polyol produced by reaction of a bicyclic amide acetal and an alkanol amine at a temperature of at least 120.degree. C.
REFERENCES:
patent: 4558113 (1985-12-01), Goel
patent: 4562240 (1985-12-01), Goel et al.
patent: 4584363 (1986-04-01), Goel et al.
patent: 4600796 (1986-07-01), Goel
Ashland Oil Inc.
Daley Dennis R.
Jones John F.
Kight John
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