Degradable Polyvinyl Alcohol Liquid Mulch Film Synergistically Reinforced by Cellulose and Lignin

IF 2.7 3区化学 Q2 POLYMER SCIENCE

Journal of Applied Polymer Science Pub Date : 2024-12-18 DOI:10.1002/app.56586

Zheng Wang, Zhiwei Yang, Pengju Qiao, Jing Fang, Xingjiang Wu, Zhensheng Yang, Hao Li

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引用次数: 0

Abstract

Degradable polyvinyl alcohol (PVA) liquid mulch film is an effective alternative to traditional petroleum-based mulch. However, PVA has problems such as poor water resistance and high cost in practical applications. In this work, a liquid mulch film PCQ was prepared by simply blending quaternized lignin (QAL), carboxymethyl cellulose (CMC), and PVA. PCQ was characterized and analyzed through FT-IR, SEM, and other tests. The effects of QAL and CMC on the water resistance, barrier properties, water retention, soil-fixing properties, and degradation properties of PCQ were investigated. The results showed that the addition of QAL and CMC significantly enhanced the water resistance of the liquid mulch film and provided excellent UV shielding (90%) and water vapor shielding performance (249.3 g m⁻² d⁻¹). In addition, PCQ effectively immobilized topsoil, retained soil moisture, and improved seed germination. This study provides a new strategy for preparing environmentally friendly, low-cost, and degradable liquid mulch film.

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来源期刊

Journal of Applied Polymer Science 化学-高分子科学

CiteScore

5.70

自引率

10.00%

发文量

1280

审稿时长

2.7 months

期刊介绍： The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.