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How can we control the resin characteristics?(a) Basic solution catalyst(b) Acid solution catalyst(c) Solid catalyst(d) Adding acidThis question was posed to me at a job interview.Origin of the question is Polycondensation topic in section Polymerization Industries of Chemical Technology

Answer»

The CORRECT CHOICE is (b) Acid SOLUTION catalyst

Easy explanation: General resin characteristics can be controlled by adding an acid solution catalyst with excess phenol which produces LINEAR SOLUBLE thermoplastics.



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