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Hard Contact Lenses

  1. Apr 24, 2008 #1
    I'm just wondering why PMMA (polymethylmethacrylate) is hydrophobic and does not attract water. I can't find anything that explains this on a molecular level :S
  2. jcsd
  3. Apr 25, 2008 #2


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    Last edited by a moderator: Apr 23, 2017
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