方法：以苯乙烯为单体，二乙烯苯为交联剂，采用二步溶胀法合成单分散、大粒径的聚苯乙烯高分子微球。
Methods: Prepared the monodisperse and big diameter crosslinked polystyrene microspheres with Two Step Swelling Method, Using diVinylbenzene as the crosslink agent.
本文叙述用溶出法制备作为疏水化催化剂担体的多孔大粒ptfe树脂。
Macroparticle multihole PTFE which is made for a new hydrophobic catalyst supporter is prepared by dissolving the reagent for hole.
大粒径、低堆密度催化剂易膨胀；
The catalyst with big size and low bulk density is prone to expand.
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