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REVISIONPOLYMERS
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A molecule that consists of a large number of atomsMACROMOLECULE
POLYMERA large molecule composed of smaller monomer units covalently bonded to each other in a repeating pattern
MONOMERSmall organic molecules that can be covalently bonded to
each other in a repeating pattern
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A chemical reaction in which monomer molecules join to form a polymer
POLYMERISATION
ADDITION POLYMERISATIONA reaction in which small molecules join to form very large molecules
by adding on double bonds
CONDENSATION POLYMERISATIONMolecules of two monomers with different functional groups undergo condensation reactions with the loss of small molecules, usually water
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ADDITION POLYMERA polymer formed when monomers (usually containing a double
bond) combine through an addition reaction
CONDENSATION POLYMERA 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
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Identify monomers from given addition polymers..
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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
uses
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Identify monomers from given addition polymers..
PVA
POLY VINYL ACETATE
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Identify monomers from given addition polymers..
PVA
POLY VINYL CHLORIDE
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Identify monomers from given addition polymers..
POLYSTYRENE