Method of manufacturing a nitro blue tetrazolium and polyvinyl butyral based dosimeter film
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United States of America Patent
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Jan 12, 2016
Grant Date -
Dec 8, 2011
app pub date -
Jun 8, 2010
filing date -
Jun 8, 2010
priority date (Note) -
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Abstract
NBT-PVA film dosimeters performance is affected due to high humidity levels. NBT-PVB film dosimeters with a relatively small effect of high humidity levels on its performance are invented. NBT-PVB film dosimeters are made by using alcoholic solution to dissolve both of NBT and PVB. The films are very useful for routine dosimeter in industrial radiation processing. A very high sensitivity NBT-PVB Radio-chromic film dosimeter is achieved due to high solubility of NBT dye in 2-methoxyethanol enabling the addition of very high concentrations of NBT dye in the film dosimeters. The dose response of conventional NBT-PVA dosimeter films are normally saturated after 50 kGy, while the invented composites of NBT-PVB dosimeter films demonstrated high dose range up to 100 kGy for high dose industrial use.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B05D:PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G01T:MEASUREMENT OF NUCLEAR OR X-RADIATION
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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