REVISION POLYMERS. A molecule that consists of a large number of atoms MACROMOLECULE POLYMER A large molecule composed of smaller monomer units covalently.

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Presentation transcript:

REVISION POLYMERS

A molecule that consists of a large number of atoms MACROMOLECULE POLYMER A large molecule composed of smaller monomer units covalently bonded to each other in a repeating pattern MONOMER Small organic molecules that can be covalently bonded to each other in a repeating pattern

A chemical reaction in which monomer molecules join to form a polymer POLYMERISATION ADDITION POLYMERISATION A reaction in which small molecules join to form very large molecules by adding on double bonds CONDENSATION POLYMERISATION Molecules of two monomers with different functional groups undergo condensation reactions with the loss of small molecules, usually water

ADDITION POLYMER A polymer formed when monomers (usually containing a double bond) combine through an addition reaction CONDENSATION POLYMER A polymer formed by two monomers with different functional groups that are linked together in a condensation reaction in which a small molecule, usually water, is lost

Identify monomers from given addition polymers..

ADDITION TO PRODUCE POLYTHENE Naphtha (petroleum) is obtained from crude oil Catalytic cracking of naphtha (long-chain alkanes) gives alkenes Ethene (in gas form) undergoes polymerization to form polyethylene. The hot, liquid polyethylene is extruded through a plate with holes. A blade cuts the (now solid) strings into smaller grains

Identify monomers from given addition polymers..

Identify monomers from given addition polymers..

Identify monomers from given addition polymers..