基于热膨胀微球发泡的废纸纤维/淀粉复合发泡材料性能的研究

Study on the Properties of Waste Paper Fiber/Starch Composite Foam-based on Thermally Expandable Microsphere Foam Material

张效林 ¹陈超 ¹李娜 ¹熊丽珍 ¹周子昂¹

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作者信息

1. 西安理工大学印刷包装与数字媒体学院,陕西西安,710048
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摘要

本研究以玉米淀粉(CS)和数字印刷废纸纤维(DPWPF)为基材,热膨胀微球(EHM204)为发泡剂,采用加热烘焙方式制备DPWPF/CS复合发泡材料,研究了 DPWPF含量对DPWPF/CS复合发泡材料各项性能的影响.结果表明,在DPWPF/CS复合发泡材料的制备中,EHM204可作为发泡剂,适量DPWPF的加入,能够改善淀粉基发泡材料的力学性能,当DPWPF含量为15％(相对于CS质量)时,制备的发泡材料的综合性能最佳,密度为0.66g/cm3,发泡率为70％,硬度为70.00HC,弹性比能为14.25×104J/m3,缓冲系数为4.21,回弹率达95.1％.

Abstract

In this paper,DPWPF/CS composite foams were prepared by heating baking with corn starch(CS)and digital printing waste pa-per fiber(DPWPF)as the substrate and thermally expandable microsphere(EHM204)as the blowing agent,and the effects of the DPWPF dosage on various properties of DPWPF/CS composite foams were investigated.The results showed that thermally expandable microspheres could be used as foaming agents in the preparation of DPWPF/CS composite foaming materials,and the addition of appropriate amount of DP-WPF could improve the mechanical properties of starch-based foaming materials,and when the dosage of DPWPF was 15％(with respect to the mass of CS),the prepared foaming materials had the best overall performances,with the density of 0.66 g/cm3,foaming rate of 70％,hardness of 70.00 HC,elastic specific energy of 14.25×104 J/m3,buffer coefficient of 4.21,and resilience of 95.1％.

关键词

玉米淀粉/废纸纤维/热膨胀微球/发泡材料

Key words

corn starch/waste paper fiber/thermally expandable microsphere/foam material

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基金项目

陕西省科技厅重点研发项目(2021SF-448)

陕西省教育厅重点科研项目(20JY051)

出版年

2024

中国造纸

中国造纸学会中国制浆造纸研究院

中国造纸

北大核心

影响因子：0.525

ISSN：0254-508X

参考文献量22

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