Preparation and Hydrochloric Acid-adsorption Properties of Polystyrene Composite Microspheres

Rui-ming Xu; Meng-yuan Fan; Wei Liu; Chun-qing Zhan; Hua-wei Tang; Zhong-fu Zhao

doi:10.11777/j.issn1000-3304.2026.26164

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Preparation and Hydrochloric Acid-adsorption Properties of Polystyrene Composite Microspheres

更新时间：2026-07-18

- Preparation and Hydrochloric Acid-adsorption Properties of Polystyrene Composite Microspheres
- Acta Polymerica Sinica Pages: 1-15(2026)
- 作者机构：
  
  1.大连理工大学化工学院精细化工国家重点实验室大连 116024
  2.威海润蓝水处理设备有限公司威海 264200
- 作者简介：
  
  Wei Liu, E-mail: liuwei08@dlut.edu.cn
  Zhong-fu Zhao, E-mail: fzhao@dlut.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2026.26164
  CLC：
- CSTR：32057.14.GFZXB.2026.7662
- Received：11 May 2026，
  
  Accepted：09 June 2026，
  
  Online First：18 July 2026，
- 稿件说明：
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许芮铭, 范盟苑, 刘伟, 张春庆, 汤华伟, 赵忠夫. 聚苯乙烯复合微球的制备及盐酸吸附性能研究. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26164.

Xu, R. M.; Fan, M. Y.; Liu, W.; Zhan, C. Q.; Tang, H. W.; Zhao, Z. F. Preparation and hydrochloric acid-adsorption properties of polystyrene composite microspheres. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26164.
许芮铭, 范盟苑, 刘伟, 张春庆, 汤华伟, 赵忠夫. 聚苯乙烯复合微球的制备及盐酸吸附性能研究. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26164. DOI： CSTR： 32057.14.GFZXB.2026.7662.

Xu, R. M.; Fan, M. Y.; Liu, W.; Zhan, C. Q.; Tang, H. W.; Zhao, Z. F. Preparation and hydrochloric acid-adsorption properties of polystyrene composite microspheres. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26164. DOI： CSTR： 32057.14.GFZXB.2026.7662.

摘要

为开发高性能酸阻滞吸附材料，本研究设计并合成了一系列溴化聚(苯乙烯-

-丁二烯)嵌段共聚物(BMPSB)，并通过悬浮聚合法将其与苯乙烯共聚，制备了季铵化聚苯乙烯复合微球(PS@BMPSB). 采用活性阴离子聚合合成了3种不同丁二烯嵌段长度的聚(苯乙烯-

-丁二烯) (PSB-50、PSB-60、PSB-70)，经四丁基三溴铵溴化后得到BMPSB-50、BMPSB-60、BMPSB-70. 研究了BMPSB种类及用量对复合微球形貌、粒径分布及表面功能基团富集的影响. 实验结果表明，PS@BMPSB中聚丁二烯段含量越高，微球粒径越小；当BMPSB-50用量为30 wt%时，所得微球表面溴元素含量最高，达9.72%，粒径为205.14 μm，分散度良好. 吸附性能研究表明，该微球对盐酸的静态吸附过程6 min内达到平衡，符合准二级动力学模型和Langmuir等温吸附模型，最大吸附容量为46.84 mmol/g. 动态吸附实验中，穿透体积为0.6 BV，洗脱初期酸浓度高可直接回收，经10次循环使用后微球交换容量仍保持初始值的80%以上，展现出优异的再生稳定性. 本研究为酸阻滞法提供了

新型高效吸附材料，并为功能化聚苯乙烯微球的结构设计提供了实验依据.

Abstract

To develop high-performance acid-blocking adsorbents

this study designed a series of brominated poly(styrene-b-butadiene) block copolymers (BMPSB)

which were dispersed within styrene phase during suspension polymerization to prepare quaternized polystyrene composite microspheres (PS@BMPSB). Three types of poly(styrene-

-butadiene) copolymers (PSB-50

PSB-60

PSB-70) with varying butadiene block lengths were synthesized using living anionic polymerization

and subsequently brominated with tetrabutylammonium tribromide to obtain BMPSB-50

BMPSB-60

and BMPSB-70. The effects of BMPSB type and dosage on the morphology

particle size distribution

and enrichment of surface functional groups of the composite microspheres were systematically investigated. The results indicated that the higher the polybutadiene segment content in PS@BMPSB

the smaller the microsphere particle size; when the BMPSB-50 dosage was 30 wt%

the resulting microspheres exhibited the highest surface bromine content

reaching 9.72%

with a particle size of 205.14 μm and good dispersion. Studies on adsorption performance showed that the static adsorption of hydrochloric acid by these microspheres reached equilibrium withi

n 6 min

conforming to the pseudo-second-order kinetic model and the Langmuir isotherm

with a maximum adsorption capacity of 46.84 mmol/g. In dynamic adsorption experiments

the breakthrough volume was 0.6 BV. During the initial elution stage

the high acid concentration allowed for direct recovery. After 10 cycles

the exchange capacity of the microspheres remained at over 80% of the initial value

demonstrating excellent regeneration stability. This study provides a novel

highly efficient adsorbent material for the acid-blocking method and offers experimental evidence for the structural design of functionalized polystyrene microspheres.

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