Process for the production of polyhydantoins containing amide gr

Details Process for the production of polyhydantoins containing amide gr Process for the production of polyhydantoins containing amide gr

1990-02-12

1991-08-20

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...

528 48, 528 49, 528 75, 528 80, 525452, C08G 1806

Patent

active

050415182

ABSTRACT:
Polyhydantoins useful in coating materials, films, adhesives and moldings are prepared by reacting polyfunctional .alpha.-aminocarboxylic acids, organic polyiso(thio)cyanates and carboxylic acid compounds in the presence of a condensed aromatic hydrocarbon at a temperature of 0.degree. to 500.degree. C.

REFERENCES:
patent: 3696153 (1972-10-01), Kershaw
patent: 4269750 (1981-05-01), Lenwalter et al.
patent: 4284095 (1981-07-01), Dunwald et al.
patent: 4293669 (1981-10-01), Rottmaier et al.
patent: 4298515 (1981-11-01), Lenwalter et al.
patent: 4301032 (1981-11-01), Atkinson et al.
patent: 4480051 (1984-10-01), Wu
patent: 4587228 (1986-05-01), Frank

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