C2 - polymers and nanoparticles 0.0 / 5 ? ChemistryPolymersNanoscienceGCSEAQA Created by: hgriffiths12Created on: 29-04-17 14:58 Name 3 properties of thermosoftening polymers weak intermolecular forces, easy to melt, can be remoulded many times 1 of 8 Name 3 properties of thermosetting polymers crosslinks between chains, strong intermolecular forces, rigid 2 of 8 How is low density plythene made? heating ethene to 200⁰C under high pressure 3 of 8 Give two uses of high density plythene water tanks and drainpipes 4 of 8 What are nanoparticles made of? carbon atoms 5 of 8 What size are nanoparticles? 1-100 nanometeres across 6 of 8 How are the carbon atoms arranged? in hexagonal rings 7 of 8 What shapes can fullerenes take? hollow balls or closed tubes 8 of 8
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