Modification of properties (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What are additives in polymer production?
What are additives in polymer production?
Special ingredients to enhance properties
What do UV light stabilizers prevent in polymers?
What do UV light stabilizers prevent in polymers?
Discoloration and brittleness from sunlight
When are bio-stabilizers particularly important?
When are bio-stabilizers particularly important?
Polymers used outdoors or in damp areas
What is the main purpose of heat stabilizers?
What is the main purpose of heat stabilizers?
Prevent decomposition during high temperatures
What property do glass fibres add to polymer resin?
What property do glass fibres add to polymer resin?
Incredibly strong, rigid structures
What is the main benefit of fillers and foamants?
What is the main benefit of fillers and foamants?
Reduce costs while maintaining functionality
What effect do plasticisers have on polymers?
What effect do plasticisers have on polymers?
Make rigid polymers more flexible
What is the primary function of pigments?
What is the primary function of pigments?
Change the colour of polymers
Why are fragrances added to some polymers?
Why are fragrances added to some polymers?
Mask unpleasant smells from base polymer
What are biodegradable polymers made from?
What are biodegradable polymers made from?
Plant-based materials
Why can't biodegradable polymers be recycled with conventional ones?
Why can't biodegradable polymers be recycled with conventional ones?
They require separate disposal methods
Which application uses PLA (Polylactic Acid)?
Which application uses PLA (Polylactic Acid)?
3D printing filaments
What is a key limitation of PHB (Biopol™)?
What is a key limitation of PHB (Biopol™)?
Low chemical resistance