Preparation of ultrafine wheat straws with co-milling and its incorporation for biodegradable mulch film production with enhanced performance

被引：0

作者：

Xu, Lei ^{[1
,3
]}

Zheng, Zhiyu ^{[1
]}

Lou, Zhichao ^{[2
]}

Jiang, Xizhi ^{[1
,3
]}

Wang, Min ^{[1
,3
]}

Chen, Gang ^{[1
,3
]}

Chen, Jingwen ^{[1
,3
]}

Yan, Nina ^{[1
,3
]}

机构：

[1] Jiangsu Engineering Technology Research Center of Biomass Composites and Addictive Manufacturing, Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Jiangsu, Nanjing,210014, China

[2] Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Jiangsu, Nanjing,210037, China

[3] Key Laboratory for Protected Agricultural Engineering in the Middle and Lower Reaches of Yangtze River, Ministry of Agriculture and Rural Affairs, Jiangsu, Nanjing,210014, China

来源：

Chemical Engineering Journal | 2023年 / 470卷

关键词：

Calcium carbonate - Fillers - Film preparation - Irradiation - Water vapor;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Although polybutylene adipate-co-terephthalate (PBAT)-based biodegradable mulch films are potential in replacing the traditional polyethene ones with increased cultivation sustainability, some practical issues including the high price and low performance still need to be resolved. Here, ultrafine powder of zero-cost straws was doped into PBAT-based films due to its toughness and ultraviolet (UV)-resistance. The powder was prepared by co-milling with a few calcium carbonates, which act as not only a friction agent to greatly increase the milling efficiency, but also an anti-blocking agent during film blowing. Slight changes in rheological and thermal behaviors of the composite films were observed with the introduction of this ultrafine filler, thus have no crucial effect on film processing. However, the UV-blocking and aging-resistant properties of the films were both enhanced, which is quite essential to a mulch film for long-term cultivation. Meanwhile, the mechanical and the water vapor barrier properties were also slightly increased with the addition of © 2023 Elsevier B.V.

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