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chemistry igcse acapprinted 115 · PDF 115
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Forming Polyesters (Example: PET)
- PET (polyethylene terephthalate) is formed from dicarboxylic acids (-COOH groups) and diols (-
OH groups).
- Ester linkages form with the loss of water.
- PET is widely used in synthetic fibers and sold under trade names like terylene.