Transparent EVA film with spectrally selective blocking capacity of ultraviolet and high-energy visible light

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Plastics, Rubber and Composites Pub Date : 2022-01-11 DOI:10.1080/14658011.2021.2024646

Puzhong Gu, Mengsi Zhang, Zhihong Liu, Jun Zhang

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Abstract

ABSTRACT This paper aims to fabricate a type of transparent film to protect human activity and health against ultraviolet (UV) light and high-energy visible (HEV) light. UV326, UV531 and pigment yellow 14 (PY14) were embedded into ethylene-vinyl acetate copolymer (EVA) as UV absorbers and HEV absorbers, respectively. The optical characteristics of EVA blends were primarily explored using Ultraviolet-visible-near-infrared spectrophotometer (UV-Vis-NIR), Luminous transmittance and Haze meter, Fourier transform infrared spectrometer. Meanwhile, the heat insulation performance was tested indoor with a solar simulator and outdoor under actual sunlight irradiation. The results of UV-Vis-NIR revealed the EVA film containing UV326 (0.5 phr) and PY14 (0.01 phr) performed ~100% UV-blocking and HEV light shielding of 42.0%. Simultaneously, this film retained visible light transmission of over 73.9% and performed a ~5 °C decrease compared with pure EVA film in the heat insulation performance test, suggesting a certain heat insulation property without ambient interference.

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透明EVA薄膜具有光谱选择性阻挡紫外线和高能可见光的能力

摘要:本文旨在制备一种保护人体活动和健康的透明薄膜，以抵御紫外线(UV)和高能可见光(HEV)。将UV326、UV531和颜料黄14 (PY14)分别包埋在乙烯-醋酸乙烯共聚物(EVA)中作为UV吸收剂和HEV吸收剂。采用紫外-可见-近红外分光光度计(UV-Vis-NIR)、透光率及雾度仪、傅立叶变换红外光谱仪等对EVA共混物的光学特性进行了初步研究。同时，在室内用太阳模拟器进行了隔热性能测试，并在室外进行了实际阳光照射。紫外-可见-近红外光谱结果表明，含有UV326 (0.5 phr)和PY14 (0.01 phr)的EVA膜对紫外线的阻隔率为100%，对HEV的屏蔽率为42.0%。同时，该膜在隔热性能测试中保持了73.9%以上的可见光透射率，与纯EVA膜相比降低了~5℃，说明该膜具有一定的无环境干扰的隔热性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plastics, Rubber and Composites 工程技术-材料科学：复合

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

4 months

期刊介绍： Plastics, Rubber and Composites: Macromolecular Engineering provides an international forum for the publication of original, peer-reviewed research on the macromolecular engineering of polymeric and related materials and polymer matrix composites. Modern polymer processing is increasingly focused on macromolecular engineering: the manipulation of structure at the molecular scale to control properties and fitness for purpose of the final component. Intimately linked to this are the objectives of predicting properties in the context of an optimised design and of establishing robust processing routes and process control systems allowing the desired properties to be achieved reliably.