Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film

Understanding the mechanism of and how to improve the laser processing of polymer films have been important issues since the advent of the procedure. Due to the important role of a photothermal mechanism in the laser ablation of polymer films, especially in transparent polymer films, it is both impo...

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Autores principales:	Jun Xu, Youmin Rong, Weinan Liu, Tian Zhang, Guoqiang Xin, Yu Huang, Congyi Wu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	laser processing PET film transparent polymer temperature field ultraviolet nanosecond pulse laser laser photothermal ablation Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/21efa34d0ab64a9f946b8f5b5c10f9ca
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id	oai:doaj.org-article:21efa34d0ab64a9f946b8f5b5c10f9ca
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spelling	oai:doaj.org-article:21efa34d0ab64a9f946b8f5b5c10f9ca2021-11-25T18:23:22ZTemperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film10.3390/mi121113562072-666Xhttps://doaj.org/article/21efa34d0ab64a9f946b8f5b5c10f9ca2021-11-01T00:00:00Zhttps://www.mdpi.com/2072-666X/12/11/1356https://doaj.org/toc/2072-666XUnderstanding the mechanism of and how to improve the laser processing of polymer films have been important issues since the advent of the procedure. Due to the important role of a photothermal mechanism in the laser ablation of polymer films, especially in transparent polymer films, it is both important and effective to adjust the evolution of heat and temperature in time and space during laser processing by simply adjusting the ambient environment so as to improve and understand the mechanism of this procedure. In this work, studies on the pyrolysis of PET film and on temperature field-assisted ultraviolet nanosecond (UV-ns) pulse laser processing of polyethylene terephthalate (PET) film were performed to investigate the photothermal ablation mechanism and the effects of temperature on laser processing. The results showed that the UV-ns laser processing of PET film was dominated by the photothermal process, in which PET polymer chains decomposed, melted, recomposed and reacted with the ambient gases. The ambient temperature changed the heat transfer and temperature distribution in the laser processing. Low ambient temperature reduced the thermal effect and an increase in ambient temperature improved its efficiency (kerf width: 39.63 μm at −25 °C; 48.30 μm at 0 °C; 45.81 μm at 25 °C; 100.70 μm at 100 °C) but exacerbated the thermal effect.Jun XuYoumin RongWeinan LiuTian ZhangGuoqiang XinYu HuangCongyi WuMDPI AGarticlelaser processingPET filmtransparent polymertemperature fieldultraviolet nanosecond pulse laserlaser photothermal ablationMechanical engineering and machineryTJ1-1570ENMicromachines, Vol 12, Iss 1356, p 1356 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	laser processing PET film transparent polymer temperature field ultraviolet nanosecond pulse laser laser photothermal ablation Mechanical engineering and machinery TJ1-1570
spellingShingle	laser processing PET film transparent polymer temperature field ultraviolet nanosecond pulse laser laser photothermal ablation Mechanical engineering and machinery TJ1-1570 Jun Xu Youmin Rong Weinan Liu Tian Zhang Guoqiang Xin Yu Huang Congyi Wu Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film
description	Understanding the mechanism of and how to improve the laser processing of polymer films have been important issues since the advent of the procedure. Due to the important role of a photothermal mechanism in the laser ablation of polymer films, especially in transparent polymer films, it is both important and effective to adjust the evolution of heat and temperature in time and space during laser processing by simply adjusting the ambient environment so as to improve and understand the mechanism of this procedure. In this work, studies on the pyrolysis of PET film and on temperature field-assisted ultraviolet nanosecond (UV-ns) pulse laser processing of polyethylene terephthalate (PET) film were performed to investigate the photothermal ablation mechanism and the effects of temperature on laser processing. The results showed that the UV-ns laser processing of PET film was dominated by the photothermal process, in which PET polymer chains decomposed, melted, recomposed and reacted with the ambient gases. The ambient temperature changed the heat transfer and temperature distribution in the laser processing. Low ambient temperature reduced the thermal effect and an increase in ambient temperature improved its efficiency (kerf width: 39.63 μm at −25 °C; 48.30 μm at 0 °C; 45.81 μm at 25 °C; 100.70 μm at 100 °C) but exacerbated the thermal effect.
format	article
author	Jun Xu Youmin Rong Weinan Liu Tian Zhang Guoqiang Xin Yu Huang Congyi Wu
author_facet	Jun Xu Youmin Rong Weinan Liu Tian Zhang Guoqiang Xin Yu Huang Congyi Wu
author_sort	Jun Xu
title	Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film
title_short	Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film
title_full	Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film
title_fullStr	Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film
title_full_unstemmed	Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film
title_sort	temperature field-assisted ultraviolet nanosecond pulse laser processing of polyethylene terephthalate (pet) film
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/21efa34d0ab64a9f946b8f5b5c10f9ca
work_keys_str_mv	AT junxu temperaturefieldassistedultravioletnanosecondpulselaserprocessingofpolyethyleneterephthalatepetfilm AT youminrong temperaturefieldassistedultravioletnanosecondpulselaserprocessingofpolyethyleneterephthalatepetfilm AT weinanliu temperaturefieldassistedultravioletnanosecondpulselaserprocessingofpolyethyleneterephthalatepetfilm AT tianzhang temperaturefieldassistedultravioletnanosecondpulselaserprocessingofpolyethyleneterephthalatepetfilm AT guoqiangxin temperaturefieldassistedultravioletnanosecondpulselaserprocessingofpolyethyleneterephthalatepetfilm AT yuhuang temperaturefieldassistedultravioletnanosecondpulselaserprocessingofpolyethyleneterephthalatepetfilm AT congyiwu temperaturefieldassistedultravioletnanosecondpulselaserprocessingofpolyethyleneterephthalatepetfilm
_version_	1718411244308791296

Temperature Field-Assisted Ultraviolet Nanosecond Pulse Laser Processing of Polyethylene Terephthalate (PET) Film

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