兰州大学机构库
Aging rate, environmental risk and production efficiency of the low-density polyethylene (LDPE) films with contrasting thickness in irrigated region
Xiong, Xiao-Bin1; Zhao, Ze-Ying1; Wang, Peng-Yang1; Mo, Fei2; Zhou, Rui3; Cao, Jing1; Liu, Shu-Tong1; Zhang, Feng1; Wesly, Kiprotich1; Wang, Yi-Bo4; Fang, Xiang-Wen1; Tao, Hong-Yan1; Xiong, You-Cai1
2023-10-01
Online publication date2023-08
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY   Impact Factor & Quartile
ISSN0147-6513 ; 1090-2414
Volume264
page numbers10
AbstractPhysical thickness of low-density polyethylene (LDPE) films might determine the release rate of phthalic acid esters (PAEs) & structural integrity and affect production efficiency. However, this critical issue is still unclear and little reported. Aging effects were evaluated in LDPE films with the thickness of 0.006, 0.008, 0.010 and 0.015 mm in a maize field of irrigation region. The Scanning electron microscope (SEM) results showed that the proportion of damaged area (Dam) to total area of LDPE films was massively lowered with increasing thickness after aging. The highest and lowest Dam was 32.2% and 3.5% in 0.006 and 0.015 mm films respectively. Also, the variations in peak intensity of asymmetric & symmetrical stretching vibrations (ASVI & SSVI) were detected using Fourier transform infrared spectrum (FTIR), indicating that the declines in peak intensity tended to be slower with thickness. Interestingly, the declines in physical integrity were tightly associated with increasing exhalation rate of PAEs. Average releasing rate of PAEs was 38.2%, 31.4%, 31.5% and 19.7% in LDPE films from 0.006 to 0.015 mm respectively. Critically, thicker film mulching can lead to greater soil water storage at plough layer (SWS-PL) and better thermal status, accordingly harvesting higher economic benefit. Therefore, LDPE film thickening may be a solution to reduce environmental risk but improve production efficiency in arid region.
KeywordLDPE film thickness Aging rate PAEs Water productivity Dryland maize
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
DOI10.1016/j.ecoenv.2023.115399
Indexed BySCIE
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Toxicology
WOS SubjectEnvironmental Sciences ; Toxicology
WOS IDWOS:001070708800001
Original Document TypeArticle
PMID 37639827
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/568766
Collection兰州大学
Corresponding AuthorXiong, You-Cai
Affiliation
1.Lanzhou Univ, Coll Ecol, State Key Lab Herbage Improvement & Grassland Agro, Lanzhou 730000, Peoples R China;
2.Northwest A&F Univ, Coll Agron, Yangling, Shaanxi, Peoples R China;
3.Yunnan Univ, Sch Ecol & Environm Sci, Kunming 650091, Peoples R China;
4.Tianshui Normal Univ, Gansu Key Lab Resource Utilizat Agr Solid Wastes, Tianshui 741000, Peoples R China
Recommended Citation
GB/T 7714
Xiong, Xiao-Bin,Zhao, Ze-Ying,Wang, Peng-Yang,et al. Aging rate, environmental risk and production efficiency of the low-density polyethylene (LDPE) films with contrasting thickness in irrigated region[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2023,264.
APA Xiong, Xiao-Bin.,Zhao, Ze-Ying.,Wang, Peng-Yang.,Mo, Fei.,Zhou, Rui.,...&Xiong, You-Cai.(2023).Aging rate, environmental risk and production efficiency of the low-density polyethylene (LDPE) films with contrasting thickness in irrigated region.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,264.
MLA Xiong, Xiao-Bin,et al."Aging rate, environmental risk and production efficiency of the low-density polyethylene (LDPE) films with contrasting thickness in irrigated region".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 264(2023).
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