Radiation resistant film
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United States of America Patent
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Sep 14, 1993
Grant Date -
N/A
app pub date -
Dec 5, 1991
filing date -
Dec 5, 1991
priority date (Note) -
Expired
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Abstract
X-ray attenuation, particularly for protective garments is provided by a film of a thermoplastic elastomer containing from about 60 to about 90 weight percent of barium sulfate or other barium salt. Films having a thickness of about 1 mm provide attenuation equivalent to that of about 0.2 to 0.25 mm of lead foil. The film is pliant, durable, and resistant to cracking from normal flexure during use and wear.
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