公开(公告)号：US20200148946A1

公开(公告)日：2020-05-14

申请号：US16741843

申请日：2020-01-14

申请人： Rational Technology & Engineering Solutions of Sandia, LLC

发明人： Heidi A. Smartt ,  Dianna S. Blair ,  Juan A. Romero ,  Patrick L. Feng

IPC分类号： C09K11/07 ,  C09K11/54 ,  C09K11/60 ,  C09K11/58

摘要： An article that includes a fluorescent composition having at least one of a fluorescent sensor compound and organic reporter molecules encapsulated in a microsphere structure. When encapsulated, the fluorescent sensor compound and the organic reporter molecules are distributed in a liquid organic matrix. When non-encapsulated, the remaining one of the fluorescent sensor compound and the organic reporter molecules reside in the matrix. In response to a force applied to the composition sufficient to break at least a portion of the microsphere structure, the fluorescent sensor compound and the organic reporter molecules are transformed into a non-reversible fluorescent state exhibiting a quantum yield greater than 0.2. The fluorescent state is objectively visually verifiable without physically contacting the composition.