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首页> 外文期刊>Journal of Applied Polymer Science >Tracking the fate of seed particles in dispersion polymerization: Preparation and application of fluorescent polymer particles
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Tracking the fate of seed particles in dispersion polymerization: Preparation and application of fluorescent polymer particles

机译：跟踪分散聚合中种子粒子的命运：荧光聚合物粒子的制备和应用

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摘要

The mechanism of seeded dispersion polymerization of methyl methacrylate (MMA) was investigated by employing submicron fluorescent polymer particles as seed. These poly(methyl methacrylate) latex particles, containing fluorescent material, were synthesized by a two-step miniemulsion polymerization process and then applied in the seeded dispersion polymerization of MMA. The seed particles were located by tracking the fluorescent signal in the micron-size final particles. The analysis of the final particles showed that most of them contained more than two seed particles. On average, there were 3.7 seed particles in each final particle as obtained under the given conditions of the seeded dispersion polymerization. The location of the seed within the particles being well-separated from each other was considered to indicate that the aggregation of the particles did not occur immediately, but took place after some particle growth had first taken place.
机译：以亚微米级荧光聚合物粒子为种子，研究了甲基丙烯酸甲酯（MMA）的种子分散聚合机理。这些含荧光材料的聚（甲基丙烯酸甲酯）胶乳颗粒是通过两步细乳液聚合法合成的，然后应用于MMA的种子分散聚合中。通过跟踪微米大小的最终颗粒中的荧光信号来定位种子颗粒。对最终颗粒的分析表明，它们中的大多数都包含两个以上的种子颗粒。在给定的种子分散聚合条件下，平均每个最终颗粒中有3.7个种子颗粒。认为种子在彼此充分分离的颗粒内的位置表明该颗粒的聚集不是立即发生，而是在一些颗粒生长首次发生之后发生。

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