Polymers are classified in a number of ways. On the basis of...

Polymers are classified in a number of ways. On the basis of structures, they are divided into three types: linear polymers, branched chain polymers and cross linked polymers. Depending upon the nature of the repeating structural unit, polymers are classified as homopolymers and copolymers. Based on the magnitude of the intermolecular forces, they are classified into four types namely elastomers, fibres, thermoplastics and thermosetting plastics. Polymers are again classified as addition polymers and condensation polymers depending on the mode of polymerization. Which of the following can be considered as a condensation homopolymer? (a) Teflon (b) cellulose (c) terylene (d) bakelite

Polymers are classified in a number of ways. On the basis of structures, they are divided into three types: linear polymers, branched chain polymers and cross linked polymers. Depending upon the nature of the repeating structural unit, polymers are classified as homopolymers and copolymers. Based on the magnitude of the intermolecular forces, they are classified into four types namely elastomers, fibres, thermoplastics and thermosetting plastics. Polymers are again classified as addition polymers and condensation polymers depending on the mode of polymerization.
Which of the following can be considered as a condensation homopolymer?
(a) Teflon
(b) cellulose
(c) terylene
(d) bakelite

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Key Concepts

Homopolymers versus Copolymers

Homopolymers are made from repeated identical monomer units, resulting in uniform repeating structures throughout the polymer chain. In contrast, copolymers consist of two or more different monomer units. The distinction is critical for understanding the material properties, as homopolymers typically exhibit uniform behavior, while copolymers can be tailored to combine the properties of different monomers.

Condensation Polymerization

Condensation polymerization is a process in which monomers react to form a polymer chain through the elimination of small molecules like water or methanol. This type of reaction generally requires the presence of functional groups in the monomers, leading to the formation of polymers where covalent bonds connect repeating units through a condensation reaction.

Polymer Classification

Polymers can be categorized using several criteria including the method of polymerization, molecular architecture, and the nature of the repeating units. This classification helps in distinguishing materials based on properties and synthesis methods, such as differentiating between addition and condensation polymerization processes.

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