Question
Download Solution PDFWhich of the following type of Polyvinyl chloride polymer is?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Linear polymers.
- Linear polymers:
- It consists of a long and straight-chain of monomers.
- PVC is a linear polymer.
- Branched polymers:
- They are linear polymers containing some branches.
- e.g Low-density Polythene.
- Network or cross-linked polymer:
- Polymers having cross-linked bonds with each other is called cross-linked or network polymer.
- e.g Bakelite and melamine.
Notes:
- PVC formation:
- Some important monomers:
| Polymer | Monomer |
| Rubber | Isoprene (1, 2-methyl 1 – 1, 3-butadiene) |
| BUNA – S | (a) 1, 3-butadiene (b) Styrene |
| BUNA – N | (a) 1, 3-butadiene (b) Vinyl Cyanide |
| Teflon | Tetra Fluoro Ethene |
| Terylene | (a) Ethylene glycol (b) Terephthalic acid |
| Glyptal | (a) Ethylene glycol (b) Phthalic acid |
| Bakelite | (a) Phenol (b) Formaldehyde |
| PVC | Vinyl Chloride |
| Melamine Formaldehyde Resin | (a) Melamine (b) Formaldehyde |
| Nylon-6 | Caprolactam |
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