Classification of Polymers
Classification of Polymers: Overview
This topic covers concepts such as Classification of Polymers on the Basis of Sources, Synthetic Polymers, Semi-Synthetic Polymers, Classification of Polymers on the Basis of Intermolecular Forces between Monomer Units, Fibres, Elastomers, etc.
Important Questions on Classification of Polymers
Which of the following is fully fluorinated polymer ?
Thermosetting polymers:
(a) are formed by condensation reaction.
(b) have cross-linked structure.
(c) are hard, rigid and brittle.
Correct statements are.
Which of the following are characteristics of thermosetting polymers?
(a) Heavily branched cross-linked polymers.
(b) Linear, slightly branched long chain molecules.
(c) Become infusible on moulding, so, cannot be reused.
(d) Soften on heating and harden on cooling, can be reused.
Which of the following is not a semi synthetic polymer?
A type of polymer is generally formed from bifunctional and trifunctional monomer and contains strong covalent bonds between various polymer chains. The polymer may structurally be?
Which one of the following is used to make lenses?
From the given, choose the polymers which are thermoplastics:
(a) Nylon
(b) Polyethylene
(c) PVC
(d) Terylene
(e) Bakelite
Which of the following polymers are thermoplastic?
Which of the following are characteristics of thermosetting polymers?
The cis-polyisoprene is a major ingredient of natural rubber.
Which of the following polymer is formed by phenol and formaldehyde?
The above polymer is an example of _____ polymer with respect to classification of polymers based on molecular forces.(thermoplastic/thermosetting)
Bakelite is a _____ polymer based on molecular forces.(thermosetting/thermoplastic)
Polymer which consists of more than one kind of monomers is called a homopolymer.
In anionic polymerisation, the compound which acts as effective chain initiator is
Orlon is a polymer of which monomer?
Define network polymers with examples.
The addition polymers, formed by the polymerisation of single kind of monomers are known as _____.
