Patent ID: 11920039
Assignee: BATTELLE SAVANNAH RIVER ALLIANCE, LLC
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 0:
1. A radio-chromic system comprising: a derivatized leuco dye having the following structure:, , in which
R1, R2, R3, and R4 are independently selected from the group consisting of alkyl and alkyl halide,
R5 and R9 are independently selected from the group consisting of H, C1 to C20 alkoxy, halogen, C1 to C20 halogen-functionalized alkyl, C1 to C20 alkylsilyl, sulfonyl; formyl, and carboxylate,
R7 is selected from the group consisting of H, C1 to C20 alkoxy, halogen, C1 to C20 halogen-functionalized alkyl, C1 to C20 alkylsilyl, sulfonyl, formyl, and carboxylate, or said R7 includes a phenyl ring,
R6 is C1 to C20 halogen-functionalized alkyl, and
R8 is C1 to C20 halogen-functionalized alkyl;
the radiochromic system further comprising a halogenated activator that forms a radical, a cationic species, or an anionic species upon absorption of radiation; and
the radiochromic system further comprising a polymeric matrix.