Heating Temperature Effect in Thermal Bubble Inkjet Process Based on Viscosity-Temperature Characteristics

ZHANG Shubai; LI Shuai; ZHANG Jun; DING Dongxu; ZHANG Mingyang; WANG Kun; YUAN Hongxia

doi:10.19554/j.cnki.1001-3563.2026.09.026

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (9) : 246-254. DOI: 10.19554/j.cnki.1001-3563.2026.09.026

Automatic and Intelligent Technology

Heating Temperature Effect in Thermal Bubble Inkjet Process Based on Viscosity-Temperature Characteristics

ZHANG Shubai¹, LI Shuai^1,2,*, ZHANG Jun^1,2, DING Dongxu¹, ZHANG Mingyang¹, WANG Kun¹, YUAN Hongxia¹

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Abstract

The work aims to reveal the effect law of heating temperature on droplet formation quality and jetting stability in the thermal bubble inkjet process, and provide a theoretical basis for the optimization of inkjet printing process parameters. Based on the modified Arrhenius model, the viscosity-temperature relationship models for three types of inks were established and the Fluent software was employed to numerically simulate the thermal bubble inkjet process. The effect of heating temperature in the range of 250-400 ℃ on jetting velocity and volume was systematically investigated. The maximum jetting velocity exhibited a nonlinear relationship with heating temperature, increasing significantly within the 250-330 ℃ range and leveling off in the 330-400 ℃ range. In contrast, jetting volume showed a linear growth trend with the rising temperature, with the fitted relationship for one ink being: V=0.065 2T-12.412. Additionally, high-viscosity ink led to reduced jetting volume, while excessively high temperatures tended to cause satellite droplets and tailing phenomena, affecting jetting stability. Heating temperature exerts a significant effect on the thermal bubble inkjet behavior. Reasonable temperature control can increase the jet velocity while avoiding jet defects, thereby improving droplet formation quality and jetting stability.

Key words

thermal bubble inkjet / heating temperature / viscosity / jetting velocity / jetting volume

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ZHANG Shubai, LI Shuai, ZHANG Jun, DING Dongxu, ZHANG Mingyang, WANG Kun, YUAN Hongxia. Heating Temperature Effect in Thermal Bubble Inkjet Process Based on Viscosity-Temperature Characteristics[J]. Packaging Engineering. 2026, 47(9): 246-254 https://doi.org/10.19554/j.cnki.1001-3563.2026.09.026

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