Polymers!.

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Presentation transcript:

Polymers!

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

.. RO Mechanism • H2C CHCH3 7

.. RO: Mechanism H2C CHCH3 • 9

.. RO: Mechanism H2C CHCH3 • CHCH3 H2C 10

.. RO: Mechanism H2C CHCH3 H2C CHCH3 • 10

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

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

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

Other Polymers You May Know! H2C=CHCl polyvinyl chloride H2C=CHC6H5 polystyrene F2C=CF2 Teflon 19

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