Epoxy adhesives are prepared in two steps. SN2 reaction of the disodium salt of bisphenol A with

Question:

Epoxy adhesives are prepared in two steps. SN2 reaction of the disodium salt of bisphenol A with epichiorohydrin forms a ?prepolymer,? which is then ?cured? by treatment with a triamine such as H₂NCH₂CH₂NHCH,CH₂NH₂,. Draw structures to show how addition of the triamine results in strengthening he polymer. Amines are good nucleophiles and can open epoxide rings in the same way other bases can.