Paired alkyl phenol mannich condensates

Details Paired alkyl phenol mannich condensates Paired alkyl phenol mannich condensates

C - Chemistry, Metallurgy

07

C

C07C 217/42 (2006.01) C07C 255/43 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2054573

PAIRED ALKYL PHENOL MANNICH CONDENSATES (Docket No. 80,771-F) ABSTRACT OF THE DISCLOSURE Normally liquid polyfunctional final Mannich condensates that are useful as curing agents for epoxy resins are prepared by reacting a para C1-C15 alkyl phenol with formaldehyde and a first polyoxyalkylene diamine to form an intermediate Mannich condensate that is reacted, in turn, with formalde- hyde and a second polyoxyalkylene diamine to form the final Mannich condensate, the first polyoxyalkylene diamine having the formula: Image (V) wherein: n represents a positive number having a value of 1 to about 6, and R' independently represents hydrogen or a methyl group, the second polyoxyalkylene diamine having the formula: Image (VII) wherein n and n' represent positive numbers having a value of 1 to about 6, R' independently represents hydrogen or a methyl group, and R"' represents an alkyl group containing 1 to 4 carbon atoms or a cyanoethyl group.

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