Novel polyureas prepared by reaction of a diamine with a diisocy

Details Novel polyureas prepared by reaction of a diamine with a diisocy Novel polyureas prepared by reaction of a diamine with a diisocy

1975-11-03

1977-09-13

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775CH, 260268K, 260268MK, 2602948R, 544 69, 544114, 544120, C08G 1814, C08G 1832, C08G 1838

Patent

active

040481069

ABSTRACT:
Polyureas containing phosphorus are prepared by the reaction of a diisocyanate or a diisothiocyanate with a diamine. In a typical reaction, phenyl bispiperazidophosphate is reacted with tolylene -2,4-diisocyanate to yield a polyurea product which may be cast into a non-burning, flexible film.

REFERENCES:
patent: 2975157 (1961-03-01), Katz
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patent: 3298937 (1967-01-01), Strauss et al.
patent: 3355437 (1967-11-01), Tesoro et al.
patent: 3384611 (1968-05-01), Grushkin
patent: 3450677 (1969-06-01), McConnell et al.
patent: 3531550 (1970-09-01), Herber et al.
patent: 3583946 (1971-06-01), Dobinson
patent: 3948820 (1976-04-01), Reynard et al.

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