疏水型植物纤维活性发泡缓冲包装材料的制备  

Preparation of Hydrophobic Plant Fiber Active Foam Buffer Packaging Materials

作　　者：李纪磊 何忠 宋万龙 孙斌 赵宇 张蔷薇 马晓军[1] LI Jilei;HE Zhong;SONG Wanlong;SUN Bin;ZHAO Yu;ZHANG Qiangwei;MA Xiaojun(College of Light Industry Science and Engineering,Tianjin University of Science&Technology,Tianjin 300457,China;Jiangsu Hangyu Heavy-duty Packaging Co.,Ltd.,Jiangsu Zhangjiagang 215600,China)

机构地区：[1]天津科技大学轻工科学与工程学院,天津300457 [2]江苏航宇重型包装有限公司,江苏张家港215600

出　　处：《包装工程》2024年第17期12-18,共7页Packaging Engineering

基　　金：天津市自然科学基金重点项目(23JCZDJC00620);海南省自然科学基金(324MS086);张家港市科技计划(ZKYY2310);天津市大学生创新创业训练项目(202410057012)。

摘　　要：目的提高植物纤维发泡材料的疏水性,并探究疏水改性对其各项性能的影响。方法以植物纤维和聚乙烯醇(PVA)为原料,利用聚醚(F127)活性发泡剂制备植物纤维发泡材料,并用聚二甲基硅氧烷(PDMS)/正己烷混合溶液对其浸渍来进行疏水改性。通过扫描电镜、红外光谱、热重分析、接触角、力学性能、隔热性能、清洁(吸油)等测试研究疏水改性对植物纤维发泡材料性能的影响。结果疏水改性后植物纤维发泡材料接触角高达154.2°,呈现超疏水性。与改性前相比,其压缩强度(80%应变)从187.43kPa提高到223.04kPa,且压缩回弹性(50%应变)无明显差别,高湿环境下疏水植物纤维发泡材料稳定性有所提升。其静态和动态缓冲系数分别为0.05和18.2,对其加热60 min后表面温度仅上升了3.4℃,且对二甲苯的吸收性良好,吸收量可达24.69 g。结论疏水改性后的植物纤维发泡材料具有良好的缓冲、隔热和清洁功能。The work aims to improve the hydrophobicity of plant fiber foam materials and explore the effect of hydrophobic modification on their various properties.With plant fiber and PVA as raw materials,F127 active foaming agent was used to prepare a mixed plant fiber foaming material.It was then impregnated with PDMS/n-hexane mixed solution for hydrophobic modification.The effect of hydrophobic modification on the properties of plant fiber foam materials was studied through scanning electron microscopy,infrared spectroscopy,thermogravimetric analysis,contact angle,mechanical properties,thermal insulation performance,cleanliness(Oil absorption)and other tests.The angle of the hydrophobic modified plant fiber foam material reached 154.2°,exhibiting superhydrophobicity.Compared with that before modification,its compressive strength(80%strain)increased from 187.43 kPa to 223.04 kPa,and there was no significant difference in compressive resilience(50%strain).The stability of hydrophobic plant fiber foam materials was improved in high humidity environments.Its static and dynamic buffering coefficients were 0.05 and 18.2,respectively.After heating for 60 minutes,the surface temperature only increased by 3.4℃,and its good absorption of xylene could reach 24.69 g.Hydrophobically modified plant fiber foam materials have good buffering,thermal insulation,and cleaning functions.

关 键 词：植物纤维 疏水改性 活性发泡 聚二甲基硅氧烷(PDMS)/正己烷 

分 类 号：TB484[一般工业技术—包装工程]