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中国塑料 ›› 2024, Vol. 38 ›› Issue (9): 30-35.DOI: 10.19491/j.issn.1001-9278.2024.09.006
收稿日期:
2024-01-06
出版日期:
2024-09-26
发布日期:
2024-09-27
通讯作者:
钟雯,女,博士、副教授、硕士生导师,专长于机械服役可靠性研究,zw1019@126.com作者简介:
宋龙(2000-),男(汉族),在读硕士,从事材料表面改性研究,Longs163@126.com
Received:
2024-01-06
Online:
2024-09-26
Published:
2024-09-27
Contact:
ZHONG Wen
E-mail:Longs163@126.com;zw1019@126.com
摘要:
针对超高分子量聚乙烯表面与黏稠物易发生粘连、不便于清洁等问题,通过激光标刻机对材料表面进行织构化改性,利用接触角测试仪对材料表面疏水性进行表征。结果表明,改性后能使材料表面的疏水性提高50 %,使其具有防粘连性能和自清洁能力。探究了运用哪种织构对材料表面进行织构化改性使材料表面具有最佳的疏水性,其结果为仿生猪笼草织构改性表面的疏水性最好。在此结论上探究该织构疏水性最优的加工参数,结果表明,猪笼草仿生织构疏水性最好的加工参数组合为织构大小为400 μm、横向间距为100 μm、纵向间距为100 μm;通过改变织构大小来改变织构的面积率,结果表明,织构的疏水性随着织构面积率的增大而先增大后减小,在织构面积率为18.5 %附近取得最大。
中图分类号:
宋龙, 钟雯. 超高分子量聚乙烯表面织构化疏水性研究[J]. 中国塑料, 2024, 38(9): 30-35.
SONG Long, ZHONG Wen. Study on hydrophobicity of surface texture of PE⁃UHMW[J]. China Plastics, 2024, 38(9): 30-35.
实验组别 | 织构大小/μm | 横向间距/μm | 纵向间距/μm |
---|---|---|---|
A | 200 | 0 | 100 |
B | 200 | 100 | 150 |
C | 200 | 200 | 200 |
D | 300 | 0 | 150 |
E | 300 | 100 | 200 |
F | 300 | 200 | 100 |
G | 400 | 0 | 200 |
H | 400 | 100 | 100 |
I | 400 | 200 | 150 |
实验组别 | 织构大小/μm | 横向间距/μm | 纵向间距/μm |
---|---|---|---|
A | 200 | 0 | 100 |
B | 200 | 100 | 150 |
C | 200 | 200 | 200 |
D | 300 | 0 | 150 |
E | 300 | 100 | 200 |
F | 300 | 200 | 100 |
G | 400 | 0 | 200 |
H | 400 | 100 | 100 |
I | 400 | 200 | 150 |
组号 | 影响因素 | 接触角/(°) | ||
---|---|---|---|---|
a | b | c | ||
A | 1 | 1 | 1 | 122.813 |
B | 1 | 2 | 2 | 138.945 |
C | 1 | 3 | 3 | 134.389 |
D | 2 | 1 | 2 | 129.583 |
E | 2 | 2 | 3 | 116.270 |
F | 2 | 3 | 1 | 136.687 |
G | 3 | 1 | 3 | 136.453 |
H | 3 | 2 | 1 | 141.638 |
I | 3 | 3 | 2 | 123.944 |
接触角/(°) | k1 | 132.049 | 129.616 | 133.713 |
k2 | 127.514 | 132.284 | 130.824 | |
k3 | 134.012 | 131.674 | 129.037 | |
R | 6.498 | 2.668 | 4.675 | |
最优组合 | a3 | b2 | c1 | |
影响因素 | a>c>b |
组号 | 影响因素 | 接触角/(°) | ||
---|---|---|---|---|
a | b | c | ||
A | 1 | 1 | 1 | 122.813 |
B | 1 | 2 | 2 | 138.945 |
C | 1 | 3 | 3 | 134.389 |
D | 2 | 1 | 2 | 129.583 |
E | 2 | 2 | 3 | 116.270 |
F | 2 | 3 | 1 | 136.687 |
G | 3 | 1 | 3 | 136.453 |
H | 3 | 2 | 1 | 141.638 |
I | 3 | 3 | 2 | 123.944 |
接触角/(°) | k1 | 132.049 | 129.616 | 133.713 |
k2 | 127.514 | 132.284 | 130.824 | |
k3 | 134.012 | 131.674 | 129.037 | |
R | 6.498 | 2.668 | 4.675 | |
最优组合 | a3 | b2 | c1 | |
影响因素 | a>c>b |
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