Method for manufacturing a radiation shielding material
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United States of America Patent
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-
Apr 15, 2003
Grant Date -
N/A
app pub date -
Nov 16, 2000
filing date -
Nov 16, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A radiation shielding material is manufactured from an elastomer that is blended with a radiation-absorbing filler material. The filler material comprises a powder of a metal with a high atomic member, or compounds thereof. The filler material is represented by more than 80 percent weight and has a grain size distribution in the range of 20 .mu.m to 120 .mu.m. The filler material is mixed with a loading material in powdered form. That mixture is kneaded with the elastomer within a mixer while the temperature is maintained below 180.degree. C. The kneaded mixture is cooled and then cut into strips. The strips are passed through a strainer having a mesh width of between 5 .mu.m and 1000 .mu.m. The strained strips are then formed into a foil.
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