Aromatic polyisocyanate

Details Aromatic polyisocyanate Aromatic polyisocyanate

1991-10-11

1992-12-15

Miller, Edward A.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

2521822, 525509, 560359, C07C119048

Patent

active

051714680

ABSTRACT:
Disclosed herein are a polyiscoyanate comprising a mixture of aromatic polyisocyanates represented by the general formula: ##STR1## wherein A is a phenylene group, alkylene group, alkyl-substituted phenylene group, diphenylene group, diphenyl ether group or naphthylenyl group, R.sub.1 is a halogen atom, lower alkoxy group with a carbon number of 4 or less or lower alkyl group with a carbon number of 5 or less, R.sub.1 s may be the same or different from each other and may form a ring, l is 1 or 2, m is an integer of 0-3, and n is a integer of 0-300, and a production process thereof.

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patent: 4650899 (1987-03-01), Kervennal et al.
patent: 4937318 (1990-06-01), Yamaguchi et al.
patent: 5051494 (1991-09-01), Yamaguchi
Fieser et al., Advanced Organic Chemistry, p. 617, Reinhold Publ. Corp. (1961) New York.
Ghatge et al., Indian Chem. J., 13 (9), pp. 24-30 (1979).

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