1. Polymers!

2. Polymers are an important molecules in Chemistry
Polymers are an important molecules in Chemistry. These molecules are formed in a chemical reaction where a large number of monomers join sequentially forming a long chain called a polymer.
monomers
Polymer

3. .. RO
Mechanism •
H2C
CHCH3 7

4. ..
RO:
Mechanism
H2C
CHCH3 • 9

5. ..
RO:
Mechanism
H2C
CHCH3 •
CHCH3
H2C 10

6. ..
RO:
Mechanism
H2C
CHCH3
H2C
CHCH3 • 10

7. ..
RO:
Mechanism
H2C
CHCH3
H2C
CHCH3
CHCH3
H2C • 10

8. ..
RO:
Mechanism
H2C
CHCH3
H2C
CHCH3
H2C
CHCH3 • 10

9. ..
RO:
Mechanism
H2C
CHCH3
H2C
CHCH3
H2C
CHCH3
CHCH3
H2C • 10

10. Other Polymers You May Know!
H2C=CHCl polyvinyl chloride
H2C=CHC6H polystyrene
F2C=CF Teflon 19

11. Polyester is made from the two monomers, terephthalic acid and ethylene glycol (car antifreeze). This makes a popular plastic called PETE, which is short for Polyethylene Terephthalate. The synthesis is also a dehydration reaction because water is given off.
PETE O O C H
Hence the name POLYESTER
ESTER groups formed