Classification of polymers on the basis of the source of origin
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(i)Natural polymers Those polymers which occur in nature i.e., in plants or animals. are called natural polymers.
(ii)Synthetic polymers The polymers which are prepared in the laboratoryare known as synthetic polymers or man-made polymers, e.g., polythene, synthetic rubber, PVC, nylon-66, teflon, orlon etc.
(iii)Semisynthetic polymers Polymers obtained by making some modification in natural polymers by artificial means, are known as semi synthetic polymers, e.g., cellulose acetate (rayon), vulcanised rubber etc.
(i)Natural polymers Those polymers which occur in nature i.e., in plants or animals. are called natural polymers.
(ii)Synthetic polymers The polymers which are prepared in the laboratoryare known as synthetic polymers or man-made polymers, e.g., polythene, synthetic rubber, PVC, nylon-66, teflon, orlon etc.
(iii)Semisynthetic polymers Polymers obtained by making some modification in natural polymers by artificial means, are known as semi synthetic polymers, e.g., cellulose acetate (rayon), vulcanised rubber etc.
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