Radiation protection material based on silicone
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United States of America Patent
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Oct 7, 2008
Grant Date -
Sep 28, 2006
app pub date -
Sep 3, 2004
filing date -
Sep 3, 2003
priority date (Note) -
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Abstract
The invention relates to a lead substitute material for radiation protection purposes, wherein the lead substitute material comprises from 12 to 22 wt. % silicone-based matrix material, from 1 to 75 wt. % Sn or Sn compounds, from 0 to 73 wt. % W or W compounds, from 0 to 80 wt. % Bi or Bi compounds, for nominal overall lead equivalents of from 0.25 to 2.00 mm. The invention relates further to a lead substitute material that additionally comprises one or more of the elements Er, Ho, Dy, Tb, Gd, Eu, Sm, Ta, Hf, Lu, Yb, Tm, Th, U and/or their compounds and/or CsI.
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