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In Amine cured phenolic urethane, what is used as the catalyzing reagent?(a) Primary amine(b) Secondary amine(c) Tertiary amine(d) Nitrogen dioxideThe question was posed to me during an interview for a job.I need to ask this question from Gas-Vapour Cured Resin Binders topic in chapter Binder Technology of Casting-Forming-Welding II

Answer»

The correct ANSWER is (c) TERTIARY amine

Best explanation: In amine cured phenolic URETHANE, a tertiary vaporized amine is used as a catalyst and is therefore, used for the catalyzation of the REACTION.



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