Enhancing mechanical and rheological properties of HDPE films through annealing for eco-friendly agricultural applications

文献类型： 外文期刊

第一作者： Li, Ying

作者： Li, Ying;Luo, Qing;Li, Ying;Feng, Liangshan;Yang, Ning;Liu, Qi;Liu, Jialei

作者机构：

关键词： high-density polyethylene; ultra-high molecular weight polyethylene; composite materials; rheological properties; annealing treatment

期刊名称：GREEN PROCESSING AND SYNTHESIS （ 影响因子：4.3； 五年影响因子：3.7 ）

ISSN： 2191-9542

年卷期： 2024 年 13 卷 1 期

页码：

收录情况： SCI

摘要： A composite of high-density polyethylene/ultra-high molecular weight polyethylene (HDPE/UHMWPE) was synthesized via a high-temperature melting process. We specifically examined the effects of annealing on the morphological and rheological properties of the composite. Using scanning electron microscopy and advanced rotational rheometry, we determined that annealing notably alters the composite's microstructure, with a reduction in pronounced features post-treatment. Rheologically, UHMWPE content significantly enhanced mechanical properties, particularly in storage modulus (G '), loss modulus (G ''), and complex viscosity (|eta*|), which aligned with scaling law principles. Our findings highlight a distinct improvement in mechanical properties post-annealing, underscoring the potential of UHMWPE in enhancing polymer composite performance. The scaling laws relating G ', G '', and |eta*| with UHMWPE were identified as follows: (1) pre-c (e): G ' similar to c (0.2), g '' similar to c (0.07), |eta*| similar to c(0.07) and (2) post-c (e): G ' similar to c (1.20), g '' similar to c (0.6), |eta*| similar to c (0.64), with a forward shift in c (e) noted after annealing. The addition of UHMWPE significantly enhanced the system's properties, particularly after annealing. This study offers crucial insights into optimizing HDPE plastic films for enhanced durability and sustainability, ideally suiting them for eco-friendly agricultural uses.

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