How polymer are classified on the basis of synthesis?
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addition polymerization and condensation of polymerization
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Polymers are classified on the basis of structure as follows:
1. Linear polymers:
- These polymers are formed of long straight chains.
- For e.g., high density polythene (HDP), polyvinyl chloride, etc.
2. Branched chain polymers:
- These polymers are basically linear chain polymers with some branches.
- For e.g., low density polythene (LDP), amylopectin, etc.
3. Cross-linked or Network polymers:
- These polymers have many cross-linking bonds that give rise to a network-like structure.
- These polymers contain bi-functional and tri-functional monomers and strong covalent bonds between various linear polymer chains.
- Examples of such polymers include bakelite and melmac.
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