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|1. (WO2016190019) RETROREFLECTIVE MATERIAL|
|Applicants:||UNITIKA SPARKLITE LTD.
The purpose of the present invention is to provide a retroreflective material which is provided with excellent laundering fastness, and in which a daytime color visible by inkjet printing and a nighttime color visible by retroreflected light are maintained despite repeated laundering. A retroreflective material provided with a fixing resin layer, transparent microspheres embedded in the fixing resin layer, a reflecting layer provided on a surface side of the transparent microspheres, on the reverse side from the incident light side, and an inkjet receiving layer provided on an outermost surface on the incident light side, wherein the refractive index of the transparent microspheres is set to 1.6-2.5, and the inkjet receiving layer is formed using a polyurethane resin including a C3-15 dicarboxylic acid, a polycarbonate polyol, and a polyisocyanate as constituent units, whereby excellent laundering fastness can be provided, and a daytime color visible by inkjet printing and a nighttime color visible by retroreflected light can be maintained despite repeated laundering.