Some Commercially Important Polymers

IMPORTANT

Some Commercially Important Polymers: Overview

This topic covers concepts, such as, Preparation, Properties and Uses of Some Important Addition Polymers, Thermosetting Plastics & Polymers of Commercial Importance etc.

Important Questions on Some Commercially Important Polymers

EASY
IMPORTANT

The name of the monomers of the following compounds are

(i) PVC

(ii) Teflon

EASY
IMPORTANT

The designation 6,6 means in the name nylon-6, 6 is:

EASY
IMPORTANT

What does ‘6, 6’ indicate in the name nylon-6, 6?

MEDIUM
IMPORTANT

Nylon-6,6 is a repeating unit of which of the following:

MEDIUM
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Which of the following is representing an example of step-growth polymerisation?

MEDIUM
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Which of the following is a polyamide?

EASY
IMPORTANT

The thermosetting plastic among the following is:

EASY
IMPORTANT

Which one of the following is not correctly matched?

MEDIUM
IMPORTANT

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In the above equations, which of the following are correct?

(a) X and Y both are hard and tough

(b) Y has a branched structure and X has a linear structure

(c) X is prepared by free radical mechanism and Y by coordination polymerisation

(d) X is a poor conductor of electricity 

EASY
IMPORTANT

Which of the following statement is true?

MEDIUM
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Which one of the following is used to make aircraft windows?

MEDIUM
IMPORTANT

Bakelite is obtained from phenol by reacting with

EASY
IMPORTANT

Identify the mismatch:

EASY
IMPORTANT

Match the polymer in Column A with its main uses in Column B:

Column A

(a) Polystyrene 

(b) Glyptal

(c) Polyvinyl chloride

(d) Bakelite 

Column B

(i) Paints and lacquers

(ii) Rain coats

(iii) Manufacture of toys

(iv) Computer discs

 

MEDIUM
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The total number of delocalized lone pairs of electrons in melamine is:

MEDIUM
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PVC is used for manufacturing of

EASY
IMPORTANT

Teflon is obtained by the polymerisation of:

MEDIUM
IMPORTANT

Which of the following is currently used in making tyre cords?

EASY
IMPORTANT

Acrilan is a hard, sharp and a high melting material. Which of the following represents its structure?

MEDIUM
IMPORTANT

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Which of the following is incorrect for A and B in the above reaction sequence?