JEE Main202131 Aug 2021Evening ShiftChemistryPolymersActual
Which among the following is not a polyester ?
Options
- AGlyptal
- BPHBV
- CNovolac
- DDacron
Correct answer
C. Novolac
Step-by-step solution
Polyester is any of a group of polymers that consist basically the repeated units of an ester. Polyester is a synthetic fabric that’s usually derived from petroleum. Dacron, PHBV and Glyptal are polyesters. Novolac is a linear condensation polymer of phenol and formaldehyde.