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Color-changing microcapsules having a core-seed and a pressure-breakable wall layer and preparation for making them

机译:具有芯子和可压破壁层的变色微胶囊及其制备方法

摘要

According to the present invention, a core comprising a core seed (A) and at least one inner color layer (B), and a decompression destructive wall layer (C) surrounding said core, an optional outer color layer (D) There is provided a color-changing microcapsule of a core-shell structure having a size range of 50 to 1500 占 퐉 with a shell containing a protective layer (E), wherein said core seed comprises sugar alcohols without a colorant, The subversive wall layer comprises titanium dioxide particles and a binder comprising at least one wall-forming material and at least one lipid-based material. The color change microcapsule according to the present invention is excellent in storage durability, handling durability and color hiding ability of the coloration layer and easily broken by pressing, rubbing, polishing or rubbing with a hand or a tool (cotton, sponge, paper) Not only the color tone of the color layer can be expressed, but also long-term stability can be maintained even when it is added to the carrier.
机译:根据本发明,提供了一种芯,其包括芯种子(A)和至少一个内部着色层(B),以及围绕所述芯的减压破坏性壁层(C),提供了任选的外部着色层(D)。一种核壳结构的变色微囊,其大小范围为50至1500占퐉,其壳包含保护层(E),其中所述核种子包含糖醇而没有着色剂。所述颠覆性壁层包含二氧化钛颗粒和包含至少一种壁形成材料和至少一种基于脂质的材料的粘合剂。根据本发明的变色微胶囊具有优异的储存耐久性,着色层的处理耐久性和颜色掩盖能力,并且易于通过用手或工具(棉,海绵,纸)进行压制,摩擦,抛光或摩擦而破裂。即使仅将着色层的色调表现出来,即使将其添加到载体中也可以保持长期稳定性。

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