Rapid setting polymers from bicyclic amide acetals/polyols/polyi

Details Rapid setting polymers from bicyclic amide acetals/polyols/polyi Rapid setting polymers from bicyclic amide acetals/polyols/polyi

1986-04-11

1987-07-21

Phynes, Lucille M.

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 49, 528 51, 528 52, 528 53, 528 55, 528 56, 528 58, 528 73, 528 745, C08G 1808, C08G 1816

Patent

active

046819266

ABSTRACT:
The process for preparing a polyurethane which sets rapidly and can be demolded within minutes by the reaction of a bicyclic amide acetal, a polyol and a polyisocyanate in the presence of a plasticizer such as dioctyl phathalate and a polyurethane catalyst such as stannous octoate is described.

REFERENCES:
patent: 3489723 (1970-01-01), Kraft
patent: 3726827 (1973-04-01), Jones et al.
patent: 3755212 (1973-08-01), Dunlap et al.
patent: 3897410 (1975-07-01), Olstowski et al.
patent: 4562240 (1985-12-01), Tufts

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