1. Chemistry 1120 Polymers

2. Monomer monos - one meros - parts Polymers poly - many meros - parts From yahoo images

3. Polymer A large molecule made from many identical repeating small molecules From yahoo images

4. Polymerization Process by which monomers are converted to polymers From yahoo images

5. Natural Polymers Starch Proteins Wood Cotton Silk DNA From yahoo images

6. Properties of Polyethylene Very Soft and Flexible Low Melting Point Formed into Shapes Easily Used as Plastic Wrap, Cups, Jugs, Wire Insulation, Film, Grocery Bags From Yahoo Images

7. Properties of Polystyrene More Brittle Than Polyethylene A Liquid That Turns Solid In Air Makes Good Insulation Makes Clear and White Foam Cups Makes Good Packing Material From Yahoo Images

8. Properties of Polyvinylchloride Called PVC Makes White Plastic Pipe Soft and Flexible Makes The Vinyl Seat Coverings Vinyl Chlorides are Carcinogenic From Yahoo Images

9. Properties of Polybutadiene Soft And Pliable When A Strait Chain Used For Car Tires Used For Rubber Bands Will Cross Link And Become Harder From Yahoo Images

10. Cross Linking Causes polymer to become much more rigid Not as easily decomposed Becomes an environmental issue Can control how brittle a substance is by changing amount of cross link Can sell tires with different mileage ratings From Yahoo Images

11. Types of Plastic

12. Step Growth Polymers Polymer formed from the reaction of molecules that contain two different functional groups Examples: – Polyamides – Polyester – Polycarbonate Polyester skirt from yahoo images

13. Formation of Polyamides Nylon -66 Kevlar – benzene rings create strength From Yahoo Images

14. Formation of Polyester From Yahoo Images

15. Formation of Polycarbonates From Yahoo Images