OCR A 6.2.3 Polyesters and Polyamides

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9 Terms

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alkenes

-monomers join to form addition polymers

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addition polymers

-saturate molecule

-non-polar normally

-unreactive

-don’t degrade well in landfill

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condensation polymers

-2 dif monomers with at least 2 func groups react together

-when they react link is made and water is eliminated

-types: polyamides & polyesters

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polyamides

-formed by reacting diamines and dicarboxylic acids form amide link

-need func grp to be either side of molecule to form chain

-OH for carboxylic acid and H from amine removed

<p>-formed by reacting diamines and dicarboxylic acids form amide link</p><p>-need func grp to be either side of molecule to form chain</p><p>-OH for carboxylic acid and H from amine removed</p>
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polyesters

-formed by reacting a diol and dicarboxylic acid

-ester links formed

-OH from carboxylic acid

-H from diol

<p>-formed by reacting a diol and dicarboxylic acid</p><p>-ester links formed</p><p>-OH from carboxylic acid</p><p>-H from diol</p>
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condensation polymer hydrolysis

-split using water to produce orginal monomers

-break in the middle of amide/ester