Structure of Materials 0.0 / 5 ? ChemistryStructure and bondingGCSEOCR Created by: rstaines98Created on: 02-01-14 11:32 A solid melts when what happens? When the forces between it's particles are broken 1 of 5 Long polymer chains have what? Stronger forces and are less flexible 2 of 5 What does plasticisers do? They soften the material by pushing the molecules further apart. 3 of 5 What do cross links do? They link chains of polymers together this makes the material tougher and less flexible 4 of 5 What does LDPE and HDPE stand for? Low density polyethene and High density polyethene 5 of 5
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