Glyptal is the polymer of ?

Ethylene glycol

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Ethylene glycol and phthalic acid

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Ethylene glycol and adipic acid

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Caprolactum

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Solution

The correct option is D Ethylene glycol and phthalic acid

Glyptal - a polyester, is formed by ethylene glycol and phthalic acid formed by step-growth polymerization as shown in the above reaction. Step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long chain polymers.

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Similar questions

	Column I		Column II
(A)	Buna-N	(i)	Phthalic acid and ethylene glycol
(B)	Nylon-6,6	(ii)	Terephthalic acid and ethylene glycol
(C)	Dacron	(iii)	Hexamethylenediamine and adipic acid
(D)	Glyptal plastic	(iv)	Acrylonitrile and butadiene

Glyptal polymer is obtained from the reaction between ethylene glycol and:

Which of the following monomers form biodegradable polymers?

(a) 3-hydroxybutanoic acid + 3-hydroxypentanoic acid

(b) Glycine + amino caproic acid

(d) Caprolactum

\begin{matrix} Column-I & Column-II (Polymer) & (Monomer) (A) Bakelite & (p) ε -caprolactum (B) Polypropylene & (q) Ethylene glycol + Phthalic anhydride (C) Glyptal & (r) Propene (d) Nylon-6 & (s) Phenol+Formaldehyde \end{matrix}

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