氧等离子体处理对国产芳III纤维表面性能的影响

doi:10.11901/1005.3093.2017.191

材料研究学报

2018, Vol. 32

Issue (1): 12-16 DOI: 10.11901/1005.3093.2017.191

研究论文

本期目录 | 过刊浏览

氧等离子体处理对国产芳III纤维表面性能的影响

王静¹, 任航¹, 陈平²(

), 时晨¹, 任荣¹

1 沈阳航空航天大学航空航天工程学部辽宁省先进聚合物基复合材料制备技术重点实验室沈阳 110136
2 大连理工大学化工学院三束材料改性教育部重点实验室大连 116024

Surface Properties of Domesic Aramid Fiber III Modified by Oxygen Plasma Treatment

Jing WANG¹, Hang REN¹, Ping CHEN²(

), Chen SHI¹, Rong REN¹

1 Liaoning Key Laboratory of Advanced Polymer Matrix Composites Manufacturing Technology, Faculty of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China
2 State Key Laboratory of Material Surface Modification by Laser, Ion and Electronic Beams, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China

引用本文:

王静, 任航, 陈平, 时晨, 任荣. 氧等离子体处理对国产芳III纤维表面性能的影响[J]. 材料研究学报, 2018, 32(1): 12-16.
Jing WANG, Hang REN, Ping CHEN, Chen SHI, Rong REN. Surface Properties of Domesic Aramid Fiber III Modified by Oxygen Plasma Treatment[J]. Chinese Journal of Materials Research, 2018, 32(1): 12-16.

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摘要:

用氧气等离子体处理芳III纤维的表面,考察了等离子体处理前后芳III纤维表面性能的变化。使用红外光谱分析(FT-IR)、X射线光电子能谱(XPS)、扫描电子显微镜(SEM)、原子力显微镜(AFM)和动态接触角等手段研究了等离子体处理前后芳III纤维化学结构、表面元素组成、表面形貌、表面粗糙度和表面浸润性能的变化。结果表明,在保持纤维本体结构不变的前提下用氧等离子体处理在纤维的表面引入了含量分别为20.1%和8.1%的新极性官能团(C-O和COO)。经氧等离子体处理后纤维表面的沟槽和起伏增多,粗糙度增大。用等离子体处理使纤维表面的浸润性能明显提高,总表面自由能由49.9 mJ/m²提高到 67.1 mJ/m²。

关键词 ：有机高分子材料, 等离子体, 表面, 浸润性能

Abstract：

Oxygen plasma treatment was used to modify the surface of aramid fiber III. The changes of fiber surface before and after oxygen plasma treatment was investigated in this paper. The surface chemical structure, element composition, surface morphology, surface roughness and surface wettability before and after oxygen plasma treatment were analyzed by FTIR, X-ray photoelectron spectroscopy (XPS), scanning electronic microscopy (SEM), atomic force microscopy (AFM) and dynamic contact angle analysis (DCAA), respectively. It was found that oxygen plasma treatment introduced some newly polar groups such as (C-O and O-C=O) to fiber surface, the content of which were 20.1% and 8.1%, respectively. After oxygen plasma treatment, the roughness of fiber surface increased and surface grooves and ups and downs were increased obviously. It was also shown that the fiber surface wettability was improved significantly by oxygen plasma treatment. The total surface free energy increased from 49.9 mJ/m² to 67.1 mJ/m².

Key words： polymer material plasma surface wettability

收稿日期: 2017-04-16

ZTFLH:

B324

基金资助:国家自然科学基金(51403129),国防基础科研重点项目(A35201XXXXX), 辽宁省大学生创新创业训练项目(S1610305、S1701011)

作者简介:

作者简介王静,女,1981年生,讲师,博士

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https://www.cjmr.org/CN/10.11901/1005.3093.2017.191 或 https://www.cjmr.org/CN/Y2018/V32/I1/12

图1 芳III纤维的化学结构式

图2 等离子体处理前后芳III纤维的红外谱图

表1 等离子体处理前后芳III纤维表面的元素

图3 等离子体处理前后芳III纤维的C1s谱图

表2 等离子体处理前后芳III纤维的表面官能团变化

图4 等离子体处理前后芳III纤维的SEM照片

图5 等离子体处理前后芳III纤维的AFM照片

表3 等离子体处理前后芳III纤维的表面粗糙度

Samples	Contact angles (θ) ± s.d. (°)		Surface free energy (mJ/m²)
Samples	$θ a W$	$θ a DIM$	$γ p$	$γ d$	$γ s$
Untreated	70.3 (1.2)	30.9 (2.4)	6.1	43.8	49.9
Plasma-treated	28.1 (0.9)	51.2 (0.7)	33.5	33.6	67.1

表4 等离子体处理前后芳III纤维表面与水和二碘甲烷的接触角及表面能

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