Chain-lengthening agents for p-phenylene-methylenediisocyanate-p

Details Chain-lengthening agents for p-phenylene-methylenediisocyanate-p Chain-lengthening agents for p-phenylene-methylenediisocyanate-p

1990-03-15

1991-06-25

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...

564331, 564335, 2643281, 528 62, 528 60, 521159, C08G 1810

Patent

active

050268155

ABSTRACT:
Chain-lengthening agents based on chlorinated 4,4'-methylenebisanilines for p-phenylene-methylenediisocyanate prepolymer are used for the preparation of cast polyurethane elastomers.

REFERENCES:
patent: 3203932 (1965-08-01), Frisch
patent: 3322810 (1967-05-01), Olin
patent: 3427282 (1969-02-01), Sundholm
patent: 3428610 (1969-02-01), Klebert
patent: 3804806 (1974-04-01), Grivas
patent: 3857890 (1974-12-01), Recchia et al.
patent: 4327204 (1982-04-01), Oyaizu et al.
patent: 4469653 (1984-09-01), Nissen
patent: 4595742 (1986-06-01), Nalepa et al.
patent: 4810769 (1989-03-01), Casey et al.
patent: 4950792 (1990-08-01), Althaus et al.

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