Siloxane containing macromonomers and dental composites thereof
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United States of America Patent
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app pub date -
Aug 6, 2002
filing date -
Jul 28, 1999
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Abstract
The invention concerns macromonomers of a molecular weight of at least M.gtoreq.500 g/mol containing siloxane groups. The macromonomers are usable as polymerizable monomers in a dental/medical composite comprising further at least a polymerizable monomer, an organic or inorganic acid or an acidic monomer, a stabilizer, an initiator, pigments and an organic or inorganic filler. The dental/medical composite is usable as a dental restorative material for filling and restoring teeth, making inlays and onlays, for artificial teeth, for sealing and surface modification materials, usable as temporary crown and bridge material. Furthermore, the macromonomers are usable for filler surface modification, as precursors for siloxane condensation products or as precursor for preparation of nanoparticles containing active polymerizable moieties.
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