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UNIT 22 Learning Aim C Polymers
- Module
- UNIT 22 Learning Aim C
- Institution
- PEARSON (PEARSON)
Pearson BTEC Level 3 National Extended Diploma in Applied Science Distinction level unit 22 topic 3 polymers. Achieved distinction.
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Unit 22 – Topic 3Three different polymers are PVC, PMMA and nylon (6,6).
Uses Benefits Cons
PVC window frames, - good at insulation - PVC is more
drainage pipes, because of its expensive to
roofing and ceiling resistance to fire so it manufacture
systems is used in cable - PVC releases toxins
insulation. when being
- PVC is also durable produced which can
so it is useful to make cause health hazards
installations easier. e.g. asthma,
Used inside ceilings, diminished lung
walls or floors function.
- PVC is also used in - PVC is also not eco-
drainage pipes friendly because it
because they are releases carbon
resistant to high which is not
temperature and sustainable
acids and alkalis
Monomer Polymer Repeating Unit
Uses Benefis Cons
PMMA Aquariums, hockey - High gloss and - poor impact
rinks, skylights hardness resistance
- versatile - Limited heat
- durable resistance
, Uses Benefits Cons
Nylon (6,6) Clothing, fishnets, - Excellent abrasion - Fire-resistant which
Ropes and wear resistance means it can easily
- Light weight melt
- Hight tensile and - Swells and
compressive strength deteriorates rapidly
when it gets wet
Polymers are formed by chemical reaction that join lots of small molecules together to make
long molecules.
3 examples of additives -
Lubricants are an addictive that is used to reduce friction and wear between interacting
surfaces. It also prevents chains from sliding. They modify the properties of the polymers by
reducing the friction in the molding and extrusion process. Because of the line polymer chain
that is produced by the lubricant throughout the process, lubricants have a smooth PVC
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