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Question
Classify the following as addition and condensation polymers: Terylene, Bakelite, Polythene, Teflon.
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Solution
Addition polymer
In addition polymerization,the molecules of the same or different monomers simply add on to one another leading to the formation of macromolecules without elimination of small molecules like H2O,NH3etc. Addition polymerization generally occurs among molecules containing double and triple bonds.
Examples-Teflon, Polythene are addition polymers.
Condensation polymer
In condensation polymerization, two or more bifunctional or trifunctional molecules undergo a series of independent condensation reactions usually with the elimination of simple molecules like water, alcohol, ammonia, carbon dioxide and hydogen chloride to form a macromolecule.
Examples - Terylene, Bakelite are condensation polymers.
In addition polymerization,the molecules of the same or different monomers simply add on to one another leading to the formation of macromolecules without elimination of small molecules like H2O,NH3etc. Addition polymerization generally occurs among molecules containing double and triple bonds.
Examples-Teflon, Polythene are addition polymers.
Condensation polymer
In condensation polymerization, two or more bifunctional or trifunctional molecules undergo a series of independent condensation reactions usually with the elimination of simple molecules like water, alcohol, ammonia, carbon dioxide and hydogen chloride to form a macromolecule.
Examples - Terylene, Bakelite are condensation polymers.
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