Cycloalkenyl aryldiamines

Details Cycloalkenyl aryldiamines Cycloalkenyl aryldiamines

1986-12-24

1989-07-04

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564305, C07C 87455

Patent

active

048452912

ABSTRACT:
This invention relates to a class of alkenylated toluenediamines and phenylenediamines having at least one alkenyl group ortho to an amine group. More particularly the aryldiamines are represented by the formula: ##STR1## wherein R is hydrogen or C.sub.1 -C.sub.3 aliphatic, R.sub.1 is hydrogen, R.sub.2 is C.sub.2 -C.sub.4, aliphatic and R.sub.1 and R.sub.2 form an alkylene radical (CH.sub.2).sub.y wherein y=3 or 4, and x is one or two.
The above described alkenylated aryldiamine, hereafter referred to as diamino-.beta.-alkyl styrenes, have been found to be well suited as antioxidants and as tri-and tetra functional chain extenders in forming polyurethane/urea elastomers systems and for providing pendant unsaturation for post curing and polymerization.

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patent: 4440952 (1984-04-01), Ihrman
patent: 4529746 (1985-07-01), Markors
patent: 4714778 (1987-12-01), Burgoyne, Jr. et al.

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