CHEMSITRY - Polymerisation

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Polymers
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Polymer
made from many small, repeating units of mollecules joined togetehr
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Monomer
small mollecules used to make polymers - momomers are the same as the repeating unit of the polymer
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Addition Polymerisation
an addition polymer is made when thousands of alkene mollecules join together - the double covalent bond between the carbons 'opens up' to become a single covalent bond (forming one product) - the monomers are usually the same alkene
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Condesation Polymerisation
there are two products in condensation polymerisation: the condensation polymer and a small mollecule (usually water or hydrogen chloride) - there are often two different monomers with different functiomal groups
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Making Polyesters
made from a diol (an alcohol containing two -OH groups) and a dicarboxylic acid (two -COOH groups) - water is given off as each link is made
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Natural Polymers
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Glucose - Properties
it is a momosaccharide (made of one sugar unit), which can make polysaccharides : glucose monomers --> starch polymers + water / glucose monomers --> cellulose polymers + water
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Proteins - Properties
they are natural polymers formed by condesnation polymerisation: amino acid momomers --> protein polymers + water
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Amoni Acids - Properties
they have two functional groups: the amine group -NH2 and the acidic carboxylic acid group -COOH - the links between amino acids are called peptide links
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Other cards in this set

Card 2

Front

made from many small, repeating units of mollecules joined togetehr

Back

Polymer

Card 3

Front

small mollecules used to make polymers - momomers are the same as the repeating unit of the polymer

Back

Preview of the back of card 3

Card 4

Front

an addition polymer is made when thousands of alkene mollecules join together - the double covalent bond between the carbons 'opens up' to become a single covalent bond (forming one product) - the monomers are usually the same alkene

Back

Preview of the back of card 4

Card 5

Front

there are two products in condensation polymerisation: the condensation polymer and a small mollecule (usually water or hydrogen chloride) - there are often two different monomers with different functiomal groups

Back

Preview of the back of card 5
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