vis sci 7 12s 95 1997 the disclosure of which is incorporated herein in its entirety material name repository values lower limit upper limit fluoroperm 30 26 2 24 29 menicon ex 62 4 56 66 quantum ii 92 9 85 101 nvp 1 vinyl 2 pyrrolidone tris methacryloxypropyltris trimethylsiloxy silane hema 2 hydroxyethyl methacrylate v 64 2 2 u2032 azobis 2 methylpropionitrile pg 1 3 propanediol egdma ethylene glycol dimethacrylate sa 2 3 2h benzotriazol 2 yl 4 hydroxyphenyl ethyl methacrylate imvt 1 4 bis 4 2 methacryloxyethyl phenylamino anthraquinone unless otherwise specifically stated or made clear by its usage all numbers used in the examples should be considered to be modified by the term u201c about u201d and to be weight percent this method is adapted from a literature procedure zilkha a and golik u j org chem 1963 28 2007 2009 to a stirred solution of itaconic anhydride 4 24 g 37 8 mmol in chcl 3 40 ml is slowly added 3 aminopropyltris trimethylsiloxy silane 15 1 ml 38 0 mmol at 0 u00b0 c under a nitrogen atmosphere the cooling bath is removed and the solution allowed to warm to ambient temperature and stirred under a nitrogen atmosphere an additional 15 h following removal of solvent at reduced pressure the viscous clear oil is analyzed via mass spectrometry to confirm the presence of the proposed structure.