Aromatic diamine mixtures

Details Aromatic diamine mixtures Aromatic diamine mixtures

1990-04-23

1991-08-06

Shah, Mukund J.

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

Organic compounds

Amino nitrogen containing

C07C32128

Patent

active

050379950

ABSTRACT:
Novel mixtures of aromatic diamines which are useful as chain extenders for urethane and urea polymers are compounds corresponding to the formula: ##STR1## wherein two of the R, R', and R" substituents are alkyl groups containing 1-6 carbons and the other substituent is a hydrocarbylthio group containing 1-6 carbons.

REFERENCES:
patent: 4146688 (1979-03-01), Schwindt et al.
patent: 4594453 (1986-06-01), Ranken et al.
patent: 4670598 (1987-06-01), Davis, I.
patent: 4751330 (1988-06-01), Davis, II

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