A color forming composition or composite can include a polymer matrix, a thermally modifiable fluoran leuco dye having a latent developer attached thereto, and a radiation absorber.
成色组合物或复合材料可包括聚合物基质、潜在显色剂与其连接的可热修饰的荧烷隐色染料以及辐射吸收剂。
A color forming composition or composite can include a polymer matrix, a thermally modifiable fluoran leuco dye having a latent developer attached thereto, and a radiation absorber.
成色组合物或复合材料可包括聚合物基质、潜在显色剂与其连接的可热修饰的荧烷隐色染料以及辐射吸收剂。
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