M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Nano-Technology
POLYMERS NANOCOMPOSITES
Time: 2½ Hours Max. Marks: 70
Instructions: Part-I, question 1 is compulsory.
Attempt any four questions from Part II
Figures to the right indicate full marks.
Answers to the Part I and Part II are to be written in same answer
book.
PART I
Q.1 Rewrite the sentence after choosing correct answer from the given
alternatives:
07
Conducting polymers are organic polymers that conduct
Macromolecule Behavior
Electricity Color
Conductive polymers are generally not
Bio-recognition site Thermoplastics
Ratio Size dependent
Most conductive polymers are prepared by oxidative coupling of
Monocyclic precursors Analyte
Only statistical Stress impact
Graphene is used to make composites with even
Higher strength Heteropolymer
Emission absorbance External bond
is a multiphase solid material.
Block copolymers Nanocomposite
Nanomaterials Color
Compatibilizing agent can be a polymer which offers a chemically

Linking Compatible nature
UV rays Size dependent
Montmorillonite and hectorite are among the most commonly used
smectite-type
Monomeric unites Analyte
Hydrogen Layered silicates
Q.1 Define the following terms. 07
Matrix
Tg
Tm
Magnet
PBT
Micelles
Hydrophobic
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SLR-VT-537
PART II
Answer any four of the following:
Q.2 What is polymer? Explain the benefits of polymer. 14
Q.3 What are the synthetic processes of polymer matrix nanocomposites 14
Q.4 Explain the ceramic matrix nanocomposites and its applications. 14
Q.5 Briefly explain the Silicate Polymer nanocomposites its applications. 14
Q.6 Answer any two of the following: 14
Application of fiber composites
Describe Resin
Describe Clay
Q.7 Write short notes on. (Any two) 14
Hydrophilic polymer
Heteropolymer
Homopolymer