模板法制备硫化杜仲胶超疏水表面

doi:10.3969/j.issn.2095-2198.2023.02.004

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摘要

采用模板法以具有结晶结构的杜仲胶为基体材料，在杜仲胶硫化过程中同步在其表面制备以金属粒子、杜仲胶微晶和杜仲胶基体共同构成的具有多元微-纳复合结构的超疏水表面.通过调控金属模板的刻蚀时间控制硫化杜仲胶表面的微-纳复合结构尺寸和形态，并对比分析不同的微-纳复合结构对硫化杜仲胶表面疏水性能的影响.结果表明：通过化学刻蚀可在金属模板表面形成珊瑚状的多孔结构，在杜仲胶硫化过程中热和压力的共同作用下形成了硫化杜仲胶表面多组分的粗糙结构，水接触角从92.4°提高至169.2°;通过酸溶剂处理实验以及扫描电镜表征了超疏水表面的结构，并对这种类荷叶的高粗糙度微-纳复合结构的形成机理进行了系统地分析.

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关键词: 超疏水')" href="#">

超疏水模板法硫化杜仲胶微-纳复合结构

Abstract:

The superhydrophobic surface with micro-nano structure composed of metal particles,microcrystalline and matrix of Eucommia ulmoides gum (EUG) was prepared by template method in the curing process of EUG.By adjusting the etching time of metal template,the size and morphology of micro-nano structure on the surface of vulcanized EUG were controlled,and the effect of different micro nano structure on the surface hydrophobicity of vulcanized EUG was compared and analyzed.The results showed that the coral-like porous structure could be formed on the surface of the metal template by chemical etching.During the process of vulcanization of EUG,the rough multi-component structure on the surface of vulcanized EUG was formed under the combined action of heat and pressure,and the contact angle was increased from 92.4° to 169.2°.The structure of the superhydrophobic surface was verified by acid solvent treatment experiments and scanning electron microscopy,and the formation mechanism of the micro-nano composite structure with high roughness like lotus leaf was systematically analyzed.

Key words: superhydrophobic')" href="#">

superhydrophobic template method vulcanizated Eucommia ulmoides gum micro-nano structure

出版日期: 2023-04-29 发布日期: 2024-06-06 整期出版日期: 2023-04-29

ZTFLH:

TQ316.6

基金资助:

中国科学院战略性先导科技专项（XDC06010206）

引用本文:

谢园, 康海澜, 方庆红, 李龙.

模板法制备硫化杜仲胶超疏水表面 [J]. 沈阳化工大学学报, 2023, 37(2): 118-123.
XIE Yuan, KANG Hailan, FANG Qinghong, LI Long.

Superhydrophobic Surface of Vulcanized Eucommia Ulmoides Gum Prepared by Template Method . Journal of Shenyang University of Chemical Technology, 2023, 37(2): 118-123.

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https://xuebao.syuct.edu.cn/CN/10.3969/j.issn.2095-2198.2023.02.004 或 https://xuebao.syuct.edu.cn/CN/Y2023/V37/I2/118

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