CHAPTER 28- POLYMERISATION 🤎 (test) Flashcards
Define a condensation polymerisation reaction in the context of amino acids
-State when it is that condensation polymerisation occurs
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Use a diagram to illustrate the formation of an amide link between amino acids
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Define additional polymerisation
-Draw repeating units for ethene and the two other examples in your notes
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What is a polyamide?
-State three condensation reactions that can result in the formation of a polyamide
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Illustrate a condensation reaction that results in the formation of the synthetic polyamide nylon 6,6
-State and explain some useful properties of nylon
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Illustrate condensation reactions that result in the formation of the polyamide Kevlar
-State some useful properties of Kevlar
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What is a protein? Which kinds of bonds do proteins have? What kind of polymers are proteins?
-Draw the generalised structure of an amino acid, highlighting its key features
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Indicate different features that decide whether or not an amino acid is polar, non-polar, or electrically charged (acidic or basic)
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What is an amino acid residue?
-State how to draw the amino acid sequence in a polypeptide chain
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What are polyesters?
-State two ways polyesters can be formed
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State the conditions required to form polyesters from a diol and carboxylic acid/ dioyl chloride
-Use a diagram to illustrate this reaction and it’s products
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State the conditions required to form polyesters from a hydroxycarboxylic acid
-Use a diagram to illustrate this reaction and it’s products
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State an example of non-biodegradable polymers and explain why they behave in that manner
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State examples of biodegradable polymers and explain why they behave in that manner
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State what occurs to polyamides in hot acidic conditions including the products in your explanation
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State what occurs to polyamides in the excess of an alkali including the products in your explanation
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State what occurs to polyesters in hot acidic conditions and the excess of an alkali including the products in your explanation
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Explain what photodegradable polymers are and how they are broken down
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