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On the basic of forces b/w their molecules in a polymer to which class does nylon-66 belong?

$\begin{array}{1 1}(a)\;\text{fibres}&(b)\; \text{thermoplastic}\\(c)\;\text{elastomers}&(d)\;\text{thermosetting}\end{array}$

1 Answer

Fibres are the polymers which have strong inter-molecular forces between the chains.These forces are either hydrogen bonds are dipole-dipole interactions.
Nylon-66 has intermolecular forces of hydrogen bonding.
Hence (a) is the correct answer.
answered Mar 11, 2014 by sreemathi.v