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How useful is PVC?. MUST: recall the difference between PVC and uPVC SHOULD: be able to describe how the properties of PVC match its use COULD: be able to explain the problems associated with PVC. Starter. What material could you use to make a Window Frame? List as many as you can
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How useful is PVC? MUST: recall the difference between PVC and uPVC SHOULD: be able to describe how the properties of PVC match its use COULD: be able to explain the problems associated with PVC
Starter • What material could you use to make a Window Frame? • List as many as you can • What problems might their be with the materials you have listed?
Window Frames • Wood
Window Frames • Metal • Eg Aluminium
Window Frames • uPVC
What is PVC? • Polyvinyl chloride • Polymer • Long chain molecule made of many smaller molecules • Poly means many • Mermeans part • Polymer = Many Parts
uPVC • Unplasticised PVC • Window Frames • Doors • Conservatories • Water Pipes • Properties - Very Stiff and Strong
PVC • Plasticised PVC
LCA • Life Cycle Assessment • Cradle • Life • Grave
Plenary • Text Book – Pages • Questions