A colorimetric composition is disclosed comprising a polycarbonate resin, a dye, and a thiopropionate. The composition undergoes an irreversible color shift to a darker color upon exposure to sunlight or UV radiation. Processes for producing and/or using such a colorimetric composition are also disclosed.
US8097668B2
申请人:——
公开号:US8097668B2
公开(公告)日:2012-01-17
[EN] COLORIMETRIC INDICATOR OF RADIATION EXPOSURE<br/>[FR] INDICATEUR COLORIMÉTRIQUE D'EXPOSITION À UN RAYONNEMENT
申请人:SABIC INNOVATIVE PLASTICS IP
公开号:WO2009032660A2
公开(公告)日:2009-03-12
A colorimetric composition is disclosed comprising a polycarbonate resin, a dye, and a thiopropionate. The composition undergoes an irreversible color shift to a darker color upon exposure to sunlight or UV radiation. Processes for producing and/or using such a colorimetric composition are also disclosed.
BANEOJI K. D.; SEN K. K.; MAZUMDAR A. K. D., J. INDIAN CHEM. SOC. <JICS-AH), 1976, 53, NO 11, 1159-1161