自稳定沉淀聚合制备三催轻石脑油-马来酸酐共聚物微球及其抗菌改性研究

刘恺元; 周江山; 赵长稳; 陈冬; 杨万泰

doi:10.11777/j.issn1000-3304.2024.24305

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自稳定沉淀聚合制备三催轻石脑油-马来酸酐共聚物微球及其抗菌改性研究

研究论文 | 更新时间：2025-06-17

- 自稳定沉淀聚合制备三催轻石脑油-马来酸酐共聚物微球及其抗菌改性研究
- Preparation of C₄-C₅ Mixed Olefine-Maleic Anhydride Copolymer Microsphere by Self-stabilized Precipitation Polymerization and Its Antimicrobial Modifications
- 高分子学报 2025年56卷第5期页码：754-766
- 作者机构：
  
  化工资源有效利用国家重点实验室北京化工大学北京 100029
- 作者简介：
  
  E-mail: zhaocw@buct.edu.cn
  yangwt@buct.edu.cn
- 基金信息：
  
  国家自然科学基金(基金号 51988102);北京市自然科学基金(基金号 2232058);广州开发区国际科技合作项目(2022GH05)
- DOI：10.11777/j.issn1000-3304.2024.24305
  中图分类号：
- CSTR：32057.14.GFZXB.2025.7352
- 收稿日期：2024-12-20，
  
  录用日期：2025-02-03，
  
  网络出版日期：2025-04-01，
  
  纸质出版日期：2025-05-20
- 稿件说明：
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刘恺元, 周江山, 赵长稳, 陈冬, 杨万泰. 自稳定沉淀聚合制备三催轻石脑油-马来酸酐共聚物微球及其抗菌改性研究. 高分子学报, 2025, 56(5), 754-766

Liu, K. Y.; Zhou, J. S.; Zhao, C. W.; Chen, D.; Yang, W. T. Preparation of C₄-C₅ mixed olefine-maleic anhydride copolymer microsphere by self-stabilized precipitation polymerization and its antimicrobial modifications. Acta Polymerica Sinica, 2025, 56(5), 754-766
刘恺元, 周江山, 赵长稳, 陈冬, 杨万泰. 自稳定沉淀聚合制备三催轻石脑油-马来酸酐共聚物微球及其抗菌改性研究. 高分子学报, 2025, 56(5), 754-766 DOI： 10.11777/j.issn1000-3304.2024.24305. CSTR： 32057.14.GFZXB.2025.7352.

Liu, K. Y.; Zhou, J. S.; Zhao, C. W.; Chen, D.; Yang, W. T. Preparation of C₄-C₅ mixed olefine-maleic anhydride copolymer microsphere by self-stabilized precipitation polymerization and its antimicrobial modifications. Acta Polymerica Sinica, 2025, 56(5), 754-766 DOI： 10.11777/j.issn1000-3304.2024.24305. CSTR： 32057.14.GFZXB.2025.7352.

摘要

随着石油资源的日益枯竭，亟待开发一种新型的汽油降烯烃技术，在优化汽油产品的同时对石化工业中巨量的混合烯烃加以有效利用. 采用自稳定沉淀聚合将三催轻石脑油与马来酸酐进行了自由基共聚合，制备了窄分布、形貌尺寸可控的共聚物微球，有效降低了三催轻石脑油的烯烃含量，实现了混合烯烃的资源化利用. 对共聚物微球进行了气-固原位酰胺化反应改性、原位酰亚胺化反应改性及卤胺化反应改性，得到

N-

卤胺抗菌微球. 利用元素分析、傅里叶红外光谱(FTIR)、场发射扫描电子显微镜(SEM)、能量色散X射线光谱面分布分析(EDS mapping)对共聚物微球进行表征，表明共聚物为交替共聚物，聚合反应的降烯烃率最高达到45%；

N-

卤胺抗菌微球活性氯含量为0.7%，在10 min的接触时间内，对大肠杆菌和金黄色葡萄球菌的抗菌率均在99.99%以上，具有优异的抗菌性能. 微球经6次卤胺化-活性氯释放循环后活性氯含量由0.52%增长到1.35%，表明其卤胺化反应具有良好的可循环性.

Abstract

With the increasing depletion of petroleum resources

there is an urgent need to develop a new olefin reduction technology to optimize gasoline products while making effective use of the huge amounts of mixed olefin in petrochemical industry. Free radical copolymerization of C

-C

mixed olefin with maleic anhydride using self-stabilized precipitation polymerization was used to prepare copolymer microsphere with controllable particle size and narrow size distribution

which effectively reduced the olefin content of mixed olefin

and realized resource utilization. The copolymer microsphere was modified by gas-solid

in-situ

amidation reaction

in-situ

imidation reaction and chlorination

being transformed to

N-

halamine antimicrobial microspheres. Copolymer microsphere was characterized by elemental analysis

FTIR

SEM

and EDS mapping

which showed that it was alternating copolymer

and the olefin reduction rate of polymerization reaction reached up to 45%. The

-halamine antimicrobial microsphere had 0.7% of chlorine concentration

and its inhibition rates against

E. coli

and

S.aureus

reached more than 99.99% only after 10 min incubation

which showed excellent antimicrobial properties. The chlorine concentration of the microspheres increased from 0.52% to 1.35% after six rechlorinating cycles

indicating that

N-

halamine has good recyclability.

关键词

Keywords

references

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