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What is mixed with calcium hydroxide on sand for CO2 cured polyacrylate?(a) Sodium polyacrylate(b) Calcium polyacrylate(c) Aluminium polyacrylate(d) Iron polyacrylateI had been asked this question during an interview.My doubt stems from Gas-Vapour Cured Resin Binders in chapter Binder Technology of Casting-Forming-Welding II

Answer»

Right ANSWER is (a) Sodium polyacrylate

Explanation: ACCORDING to the reaction, sodium polyacrylate is mixed with CALCIUM hydroxide (CaOH2) on SAND and is later cured with carbon dioxide gas.



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