Polyurethane systems using monotertiary- alkyltoluenediamine...

Details Polyurethane systems using monotertiary- alkyltoluenediamine... Polyurethane systems using monotertiary- alkyltoluenediamine...

C - Chemistry, Metallurgy

08

G

402/142

C08G 18/65 (2006.01) C08G 18/10 (2006.01) C08G 18/32 (2006.01) C08G 18/66 (2006.01)

Patent

CA 1266744

173-P-US03274 ABSTRACT This invention relates to improved polyurethane systems prepared by reacting an organic polyisocyanate with a hydroxyl containing compound, the improvement comprising utilizing mono tertiary-alkyltoluenediamine where the tertiary-alkyl group is ortho to an amine group as a chain extender or component thereof. The ortho-tertiary-butyltoluenediamine isomer is particular effective for use in reaction injection molding of polyurethanes and can be formulated with polyol as a chain extender mix.

492236

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