Production, characterization and life cycle analysis of ZnO doped LDPE films

IF 3.8 4区工程技术 Q2 CHEMISTRY, APPLIED

Journal of Vinyl & Additive Technology Pub Date : 2025-01-27 DOI:10.1002/vnl.22199

Gözde Koçak Mutlu, Elif Gamze Taskin, Mehmet Karahan, Ali Kara, Gökhan Ekrem Üstün

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Abstract

In this study, virgin and recycled polymer films doped with ZnO in different proportions were prepared by extrusion. ZnO was first incorporated into LLDPE to produce masterbatches, which were then added to LDPE at a 10% ratio to fabricate the composite films. The produced films were analyzed using FTIR, SEM, TGA, DSC and tensile tests to evaluate their optical, thermal and mechanical properties. In addition, a life cycle assessment was carried out for each film and the environmental impacts were compared. A functional unit of 1 kg of film was selected and the process from raw material extraction to film production was analyzed in detail using the cradle-to-gate model. The findings indicate that the recycled film produced with 1% ZnO addition exhibits superior optical and thermal properties, high tensile and break strength, and offers positive environmental benefits. Therefore, recycled film produced with 1% ZnO additive was considered the most sustainable and suitable option for bag production.

Highlights

Virgin and recycled polymer films were doped with ZnO and produced.
Films' optical, thermal, and mechanical properties were studied.
The 1% ZnO doped recycled film exhibited high optical and thermal properties.
LCA show 1% ZnO doped recycled film is the optimal sustainable product.

Abstract Image

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ZnO掺杂LDPE薄膜的制备、表征及生命周期分析

本研究采用挤压法制备了不同比例掺杂ZnO的聚合物薄膜。首先将ZnO掺入LLDPE中制备母粒，然后将其以10%的比例添加到LDPE中制备复合薄膜。采用红外光谱（FTIR）、扫描电镜（SEM）、热重分析（TGA）、差示量热分析（DSC）和拉伸测试对制备的薄膜进行了光学、热学和力学性能分析。此外，还对每部影片进行了生命周期评价，并对其环境影响进行了比较。选择了1 kg膜的功能单元，并采用从摇篮到闸门的模型详细分析了从原料提取到膜生产的过程。研究结果表明，添加1% ZnO的再生膜具有优异的光学和热性能，高拉伸和断裂强度，并具有积极的环境效益。因此，添加1%氧化锌的再生膜被认为是最可持续和最合适的袋生产选择。用ZnO掺杂制备了原生和再生聚合物薄膜。研究了薄膜的光学、热学和力学性能。1% ZnO掺杂的再生膜具有较高的光学和热性能。LCA分析表明，掺1% ZnO的再生膜是最佳的可持续产品。

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来源期刊

Journal of Vinyl & Additive Technology 工程技术-材料科学：纺织

CiteScore

5.40

自引率

14.80%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Vinyl and Additive Technology is a peer-reviewed technical publication for new work in the fields of polymer modifiers and additives, vinyl polymers and selected review papers. Over half of all papers in JVAT are based on technology of additives and modifiers for all classes of polymers: thermoset polymers and both condensation and addition thermoplastics. Papers on vinyl technology include PVC additives.