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The preparation of a three-layer 'core-shell' structured epoxy-acrylate emulsion

机译：三层“核-壳”结构环氧丙烯酸酯乳液的制备

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"Core-shell" structured epoxy-acrylate emulsions with different contents of epoxy resins were synthesized. Styrene (St), butyl acrylic (BA), methyl methacrylate (MMA) and epoxy resin (E-51) were used as the main raw materials. The fine control of the epoxy content was the key approach to design the morphologies of the emulsion. Due to the different epoxy contents, there was a transition of the particle morphologies from irregular structure, to two-layer core-shell structure to three-layer core-shell structure. The particle size became larger and then smaller again, and the thermal stability of the emulsion decreased with the increase of the epoxy content. The emulsion with clear three-layer "core-shell" structures and uniform particle size distribution could be prepared when the content of epoxy resin was 30 wt%. The corresponding film prepared by the emulsion had the characteristic of self-stratification.
机译：合成了不同环氧树脂含量的“核-壳”结构环氧丙烯酸酯乳液。苯乙烯（St），丙烯酸丁酯（BA），甲基丙烯酸甲酯（MMA）和环氧树脂（E-51）被用作主要原料。环氧含量的精细控制是设计乳液形态的关键方法。由于环氧含量的不同，颗粒形态从不规则结构过渡到两层核-壳结构再到三层核-壳结构。粒径变大然后再变小，并且乳液的热稳定性随着环氧含量的增加而降低。当环氧树脂的含量为30重量％时，可以制备具有清晰的三层“核-壳”结构和均匀的粒度分布的乳液。通过乳液制备的相应膜具有自分层的特征。

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