Optics and Precision Engineering, Volume. 31, Issue 20, 2986(2023)
Study on the film-forming process of high-viscosity adhesive droplets by extrusion
Figures & Tables(9)
Fig. 2. Precise assembly device and experimental process of adhesive microbonding
Fig. 3. Relationship between amount of adhesive drops and ratio of space occupancy by adhesive
Fig. 5. Simulation result of extrusion force and adhesive thickness
Fig. 6. Relationship between extrusion force and adhesive thickness
Table 1. Physical parameters of adhesive microbonding
View tableView in ArticleTable 1. Physical parameters of adhesive microbonding
胶液黏度/（Pa·s） 表面张力/（mN·m-1） 接触角/（°） 胶液密度/
（g·cm-3）
289 36.96 57 1.835
Table 2. Physical parameters of viscous droplet spreading
View tableView in ArticleTable 2. Physical parameters of viscous droplet spreading
胶滴个数 胶滴直径
D0/mm
接触角
θ1/（°）
胶滴直径
D1/mm
胶滴高度
H1/mm
8 0.764 57 0.996 0.270 10 0.709 — 0.927 0.251 12 0.667 57 0.872 0.236 14 0.634 57 0.829 0.225 16 0.606 57 0.795 0.215
Table 3. Fitting result of extrusion force and adhesive thickness
View tableView in ArticleTable 3. Fitting result of extrusion force and adhesive thickness
胶膜厚度/μm 25~35 35~50 50~100 斜率/（μm·N-1） -1.8 -9.8 -285.5 截距/μm 37.4 50.2 90.2 误差平方和/μm2 1.4 5.7 479 均方根/μm 1.2 1.7 7.3 确定系数 0.97 0.95 0.83
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Zheng XU, Wenxin HE, Leijie CUI, Xiaodong WANG, Shiqin LU. Study on the film-forming process of high-viscosity adhesive droplets by extrusion[J]. Optics and Precision Engineering, 2023, 31(20): 2986
Paper Information
Category: Micro/Nano Technology and Fine Mechanics
Received: Mar. 24, 2023
Accepted: --
Published Online: Nov. 28, 2023
The Author Email: Xiaodong WANG (xdwang@dlut.edu.cn)
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