Meta-phenylene-diamines

Details Meta-phenylene-diamines Meta-phenylene-diamines

1982-09-27

1988-12-20

Hines, Robert V.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

528 64, 558418, 564308, C07C 8750, C07C 8764

Patent

active

047926236

ABSTRACT:
Novel meta phenylenediamines are provided having one or two particular benzyl radicals as substituents along with other optional substituents on the aromatic diamine ring and optionally substituents on the benzyl aromatic ring.
The diamines are sterically hindered and thereby have lower amine reactivity as compared with the unsubstituted diamines.
The diamines are useful as curing agents for epoxy resins and find particular utility as extenders in the formation of novel polyurethane-polyurea polymers.

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patent: 4374272 (1983-02-01), Yuasa et al.

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