Mono-tertiary-alkylated toluenediamine and derivatives
This invention relates to a class of tertiary-alkyltoluenediamines having alkyl groups ortho to an amine group. More particularly the aromatic diamines are represented by the formulas: STR1 wherein R1, R2 and R3 are C
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(2008/06/13)
Mono-tertiary-alkylated toluenediiso-cyanates and derivatives
This invention relates to a class of tertiary-alkyltoluene--diisocyanates having alkyl groups orthoto an isocyanate group. More particularly the aromatic isocyanates are represented by the formulas: wherein R1, R2 and R3 are C1-3alkyl groups or R2 and R3 are combined to form a C5-6membered ring. The above described alkylated aromatic diisocyanates have been found to be well suited for use as an isocyanate reactant in forming polyurethane and polyurea elastomer systems.
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(2008/06/13)
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