数字农科院2.0

Physical and Degradable Properties of Mulching Films Prepared from Natural Fibers and Biodegradable Polymers

文献类型： 外文期刊

作者： Tan, Zhijian;Yi, Yongjian;Wang, Hongying;Zhou, Wanlai;Yang, Yuanru;Wang, Chaoyun

作者机构：

关键词： mulching film;biodegradation;natural fiber;biodegradable polymer

期刊名称： APPLIED SCIENCES-BASEL

ISSN： 2076-3417

年卷期： 2016 年 6 卷 5 期

页码：

收录情况： SCI

摘要： The use of plastic film in agriculture has the serious drawback of producing vast quantities of waste. In this work, films were prepared from natural fibers and biodegradable polymers as potential substitutes for the conventional non-biodegradable plastic film used as mulching material in agricultural production. The physical properties (e.g., mechanical properties, heat preservation, water permeability, and photopermeability) and degradation characteristics (evaluated by micro-organic culture testing and soil burial testing) of the films were studied in both laboratory and field tests. The experimental results indicated that these fiber/polymer films exhibited favorable physical properties that were sufficient for use in mulching film applications. Moreover, the degradation degree of the three tested films decreased in the following order: fiber/starch (ST) film > fiber/poly(vinyl alcohol) (PVA) film > fiber/polyacrylate (PA) film. The fiber/starch and fiber/PVA films were made from completely biodegradable materials and demonstrated the potential to substitute non-biodegradable films.

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