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    • 4. 发明申请
    • VACUUM-DEPOSITED COLORANTS
    • 真空沉积的着色剂
    • WO0240598A3
    • 2002-09-06
    • PCT/US0150972
    • 2001-10-19
    • SIGMA TECHNOLOGIES INTERNATION
    • MIKHAEL MICHAEL GYIALIZIS ANGELO
    • B01J19/18C08F2/44F26B5/04F26B5/06F26B17/02C09B69/10
    • C08F2/44B01J19/1887B01J2219/00128B01J2219/0013F26B5/041F26B5/048F26B5/065F26B17/023
    • A radiation curable monomer and a dyestuff are mixed in a curable formulation and fed into a hot evaporator under vacuum. The blend is flash evaporated through a nozzle (36) and recondensed onto a moving substrate in contact with a temperature-controlled rotating drum (44). The condensed film is then crosslinked with a high-energy ultraviolet or electron-beam radiation source (28) to effect cross-linking of the monomer. The resulting product consists of a crosslinked polymer matrix incorporating dyestuff molecules within its structure, which dramatically enhances the durability, solvent resistance, heat stability and migration fastness of the product. These properties can be further improved by chemically bonding the dyestuff molecules with the crosslinked polymer network, which can be accomplished by judiciously functionalizing the dyestuff with appropriate functional groups designed to polymerize or to react with the curable monomer.
    • 可辐射固化单体和染料在可固化制剂中混合并在真空下送入热蒸发器中。 混合物通过喷嘴(36)闪蒸并且再冷凝到与温控旋转鼓(44)接触的移动基底上。 然后用高能紫外线或电子束辐射源(28)交联该凝聚的膜以实现单体的交联。 所得产品由结构中含有染料分子的交联聚合物基质组成,其显着增强了产品的耐久性,耐溶剂性,热稳定性和耐迁移性。 通过将染料分子与交联聚合物网络化学键合可以进一步改善这些性能,这可以通过用适当官能团适当官能化染料来实现,所述官能团设计用于聚合​​或与可固化单体反应。