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How can we control the resin characteristics?

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How can we control the resin characteristics?

(a) Basic solution catalyst

(b) Acid solution catalyst

(c) Solid catalyst

(d) Adding acid

This question was posed to me at a job interview.

Origin of the question is Polycondensation topic in section Polymerization Industries of Chemical Technology

1 Answer

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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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