C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/598
C07C 323/37 (2006.01)
Patent
CA 2028268
AROMATIC DIAMINES Abstract of the Disclosure Novel aromatic diamines which are useful as chain extenders for urethane and urea polymers are compounds cor- responding to the formula: Image wherein two of the R, R1, and R1' substituents are alkyl groups containing 1-6 carbons and the other substituent is a hydrocarbylthio group containing 1-6 carbons.
Albemarle Corporation
Macrae & Co.
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