Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating

Parylene C (PC) films have been widely used in many fields, such as metal anti-corrosion, electronic packaging, etc. However, the relatively poor mechanical properties and the deteriorated water barrier performance due to the easy fracture under external stress have restricted their application. It...

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Autores principales:	Jing Zekun, Guo Yakun, Ren Meng, Zhao Xingtao, Shao Hong, Zhou Yuanlin, Shuai Maobing
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	parylene c polyurethane acrylate coating water vapor barrier mechanical property optical transmittance Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/5fa46d43f75a42dc89da3887aa094858
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spelling	oai:doaj.org-article:5fa46d43f75a42dc89da3887aa0948582021-12-05T14:10:47ZImproving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating1618-722910.1515/epoly-2021-0047https://doaj.org/article/5fa46d43f75a42dc89da3887aa0948582021-10-01T00:00:00Zhttps://doi.org/10.1515/epoly-2021-0047https://doaj.org/toc/1618-7229Parylene C (PC) films have been widely used in many fields, such as metal anti-corrosion, electronic packaging, etc. However, the relatively poor mechanical properties and the deteriorated water barrier performance due to the easy fracture under external stress have restricted their application. It is a relatively simple and good method to maintain the water vapor barrier and enhance the mechanical properties of PC film by covering a flexible coating on its surface. In this work, a new polyurethane acrylate (PUA) coating was prepared and coated on the PC film by ultraviolet curing technology to form the PC/PUA composite film. The results showed that the PUA coatings could improve the water vapor barrier and mechanical properties of the PC film simultaneously. The water vapor transmittance rate was reduced from 1.1791 g·(m−2·day−1) of the original PC film to 0.5636 g·(m−2·day−1) of the PC/PUA composite film. The elongation at break and the impact energy were increased to 48.36% and 41.67%, respectively, which would widen the application of PC films in the fields of flexible electronics or smart wear.Jing ZekunGuo YakunRen MengZhao XingtaoShao HongZhou YuanlinShuai MaobingDe Gruyterarticleparylene cpolyurethane acrylate coatingwater vapor barriermechanical propertyoptical transmittancePolymers and polymer manufactureTP1080-1185ENe-Polymers, Vol 21, Iss 1, Pp 830-844 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	parylene c polyurethane acrylate coating water vapor barrier mechanical property optical transmittance Polymers and polymer manufacture TP1080-1185
spellingShingle	parylene c polyurethane acrylate coating water vapor barrier mechanical property optical transmittance Polymers and polymer manufacture TP1080-1185 Jing Zekun Guo Yakun Ren Meng Zhao Xingtao Shao Hong Zhou Yuanlin Shuai Maobing Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating
description	Parylene C (PC) films have been widely used in many fields, such as metal anti-corrosion, electronic packaging, etc. However, the relatively poor mechanical properties and the deteriorated water barrier performance due to the easy fracture under external stress have restricted their application. It is a relatively simple and good method to maintain the water vapor barrier and enhance the mechanical properties of PC film by covering a flexible coating on its surface. In this work, a new polyurethane acrylate (PUA) coating was prepared and coated on the PC film by ultraviolet curing technology to form the PC/PUA composite film. The results showed that the PUA coatings could improve the water vapor barrier and mechanical properties of the PC film simultaneously. The water vapor transmittance rate was reduced from 1.1791 g·(m−2·day−1) of the original PC film to 0.5636 g·(m−2·day−1) of the PC/PUA composite film. The elongation at break and the impact energy were increased to 48.36% and 41.67%, respectively, which would widen the application of PC films in the fields of flexible electronics or smart wear.
format	article
author	Jing Zekun Guo Yakun Ren Meng Zhao Xingtao Shao Hong Zhou Yuanlin Shuai Maobing
author_facet	Jing Zekun Guo Yakun Ren Meng Zhao Xingtao Shao Hong Zhou Yuanlin Shuai Maobing
author_sort	Jing Zekun
title	Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating
title_short	Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating
title_full	Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating
title_fullStr	Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating
title_full_unstemmed	Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating
title_sort	improving mechanical and water vapor barrier properties of the parylene c film by uv-curable polyurethane acrylate coating
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/5fa46d43f75a42dc89da3887aa094858
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Improving mechanical and water vapor barrier properties of the parylene C film by UV-curable polyurethane acrylate coating

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