Mono-tertiary - alkylated toluenediamine and derivatives

Details Mono-tertiary - alkylated toluenediamine and derivatives Mono-tertiary - alkylated toluenediamine and derivatives

C - Chemistry, Metallurgy

08

G

260/598.4

C08G 18/32 (2006.01)

Patent

CA 1260013

ABSTRACT This invention relates to a class of tertlary-alkyltoluenediamines having alkyl groups ortho to an amine group. More particularly the aromatic diamines are represented by the formulas: 1 2 3 Image wherein R1, R2 and R3 are C1-3 alkyl groups or R2 and R3 are combined to form a C5-6 membered ring. The above described alkylated aromatic diamines have been found to be well suited for use as a chain extender in forming polyurethane/urea elastomer systems and the mono tert-butyltoluenediamine isomers have been found to be nonmutagenic in the Ames test.

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