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首页> 外文期刊>Journal of Applied Polymer Science >Highly Crosslinked Poly(styrene-co-divinylbenzene) Microspheres Prepared by Precipitation Polymerization: Effects of the Polymerization Parameters on the Characteristics of the Particles
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Highly Crosslinked Poly(styrene-co-divinylbenzene) Microspheres Prepared by Precipitation Polymerization: Effects of the Polymerization Parameters on the Characteristics of the Particles

机译：沉淀聚合制备高度交联的聚（苯乙烯-共二乙烯基苯）微球：聚合参数对颗粒特性的影响

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摘要

Highly crosslinked poly(styrene-co-divinylbenzene) microspheres with a 1.0-2.5-mu m diameter were prepared by precipitation polymerization in neat acetonitrile. The effects of various polymerization parameters such as the monomer and initiator concentration, comonomer composition, and cosolvents on the properties of the resulting particles were studied. The particle diameter increased with the monomer concentration, whereas the particle size distribution remained almost constant. The 2,2'-azobisisobutyronitrile (based on the total monomer) was used as the initiator. The styrene fraction in the monomer composition and toluene fraction in the solvent mixture also significantly affected the morphology and size of the resulting particles. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 3144-3149, 2009
机译：通过在纯乙腈中沉淀聚合制备直径为1.0-2.5微米的高度交联的聚（苯乙烯-共二乙烯基苯）微球。研究了各种聚合参数，如单体和引发剂的浓度，共聚单体的组成以及助溶剂对所得颗粒性能的影响。粒径随单体浓度而增加，而粒径分布几乎保持恒定。 2，2'-偶氮二异丁腈（基于总单体）用作引发剂。单体组合物中的苯乙烯馏分和溶剂混合物中的甲苯馏分也显着影响所得颗粒的形态和尺寸。 （C）2008 Wiley Periodicals，Inc. J Appl Polym Sci 111：3144-3149，2009

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