Double Pickering emulsion as a template to synthesize composite oil absorption materials with three-dimensional porous structure

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Composite Interfaces Pub Date : 2023-02-25 DOI:10.1080/09276440.2023.2179246

Y. Tong, Min Feng, Chan Yang, Wenjuan Wu, T. Hu, Qingyun Wang

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引用次数: 0

Abstract

ABSTRACT To improve the performance of traditional oil absorption materials, a novel concept is proposed for the fabrication of composite oil absorption materials with three-dimensional porous structure via a double Pickering emulsion template. Oil‐in‐water‐in‐oil type double Pickering emulsion is prepared with modified attapulgite (ATP) and modified Fe3O4. Then, the Pickering emulsion as a template is synthesized ATP/P(EHMA-St)/Fe3O4 composite porous materials. The influences of the amount of inorganic additives-modified ATP, initiator, cross-linking agent, and oil–water ratio on the oil absorption rate and oil retention rate of the material were studied. It showed that under the conditions of polymerization temperature of 80°C and reaction time of 6 h, the morphology of the material was the best and the oil absorption rate was the largest with the content of modified ATP, nano Fe3O4, DVB, and BPO of 0.20%, 0.10%, 1.20%, and 0.32%, respectively, and the oil–water ratio of 1:5. The absorption of diesel oil can reach 986.65%, and the oil retention rate of material can reach 82.37%. Our work provides a novel strategy for the preparation of composite porous materials, which is expected to be popularized and applied in oil spill treatment and oily wastewater treatment. GRAPHICAL ABSTRACT

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以双皮克林乳液为模板，合成具有三维多孔结构的复合吸油材料

摘要为了提高传统吸油材料的吸油性能，提出了一种利用双皮克林乳液模板制备三维多孔结构复合吸油材料的新思路。以改性凹凸棒土(ATP)和改性Fe3O4为原料制备了油-水-油型双酸洗乳。然后，以Pickering乳液为模板合成ATP/P(EHMA-St)/Fe3O4复合多孔材料。研究了无机助剂——改性ATP用量、引发剂用量、交联剂用量和油水比对材料吸油率和保油率的影响。结果表明，在聚合温度为80℃，反应时间为6 h的条件下，改性ATP含量为0.20%，纳米Fe3O4含量为0.10%，DVB含量为1.20%，BPO含量为0.32%，油水比为1:5时，材料形貌最佳，吸油率最大。对柴油的吸收率可达986.65%，物料的保油率可达82.37%。本研究为复合多孔材料的制备提供了一种新的策略，有望在溢油处理和含油废水处理中得到推广应用。图形抽象

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来源期刊

Composite Interfaces 工程技术-材料科学：复合

CiteScore

5.00

自引率

3.80%

发文量

审稿时长

3 months

期刊介绍： Composite Interfaces publishes interdisciplinary scientific and engineering research articles on composite interfaces/interphases and their related phenomena. Presenting new concepts for the fundamental understanding of composite interface study, the journal balances interest in chemistry, physical properties, mechanical properties, molecular structures, characterization techniques and theories. Composite Interfaces covers a wide range of topics including - but not restricted to: -surface treatment of reinforcing fibers and fillers- effect of interface structure on mechanical properties, physical properties, curing and rheology- coupling agents- synthesis of matrices designed to promote adhesion- molecular and atomic characterization of interfaces- interfacial morphology- dynamic mechanical study of interphases- interfacial compatibilization- adsorption- tribology- composites with organic, inorganic and metallic materials- composites applied to aerospace, automotive, appliances, electronics, construction, marine, optical and biomedical fields