Polymerization Intro: https://www.youtube.com/watch?v=UwRVj9rz2QQ

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Presentation transcript:

Polymerization Intro: https://www.youtube.com/watch?v=UwRVj9rz2QQ 23.4 Polymerization Intro: https://www.youtube.com/watch?v=UwRVj9rz2QQ

Polymers Polymer: A large molecule formed by the covalent bonding of repeating smaller molecules called monomers. Like a chain made of beads… A long chain of REPEATING units Each bead represent a separate smaller molecule. When you join them together, it creates and polymer.

1) Addition Polymers An addition polymer forms when unsaturated monomers react to form a polymer. Polyethylene is used to make many household items, including plastic bottles, bags, and food containers

1) Addition Polymers Polypropylene is prepared by the polymerization of propene. Polypropylene, a stiffer polymer than polyethylene, is used to make plastic utensils and containers, and other items such as this whistle.

1) Addition Polymers Polystyrene foam is a poor heat conductor, useful for insulating homes and for molded items such as coffee cups and picnic coolers. Polyvinyl chloride (PVC) is used for pipes in plumbing. It is also produced in sheets, sometimes with a fabric backing, for use as a tough plastic upholstery covering.

Other Addition Polymers Teflon: Rubber:

2) Condensation Polymers Condensation Polymers are joined together by the head-to-tail joining of different monomer units. Polyester:

2) Condensation Polymer Kevlar

Make your own Polymer! Page 753 in textbook.