Abstract:Here, foamed starch-based humidity control (FSHC) material was successfully made with the microwave foaming method. Then, a thermal field emission scanning electronic microscope and a microcomputer controlled electronic universal testing machine were used to detect apparent morphology and mechanical properties of FSHC material, effects of starch content, acrylic acid sodium-acrylate mixed solution and acrylamide mass ratio, acrylic acid neutralization degree and initial water content on properties of FSHC material were investigated. Results showed that the platform stress, cushioning coefficient and energy absorption unit volume of FSHC material reach 0.363 MPa, 3.618 and 0.326 J/cm, respectively when starch content is 10.5%, mass ratio of acrylic acid sodium-acrylate mixed solution to acrylamide is 4.5∶1, neutralization degree of acrylic acid is 80% and initial water content is 10 g; the moisture absorption / desorption rate of FSHC material decreases with increase in starch content, and increases with increase in mass ratio of acrylic acid sodium-acrylate mixed solution to acrylamide, neutralization degree of acrylic acid and initial water content.
卓丽菊1,鄂玉萍2,王家俊2,许广禹1,孙俊军3,王军4. 可调湿发泡缓冲包装材料的制备及性能研究[J]. 振动与冲击, 2020, 39(13): 134-140.
ZHUO Liju1, E Yuping2, WANG Jiajun2, XU Guangyu1, SUN Junjun3, WANG Jun4. Preparation and properties of adjustable moisture foaming cushioning packaging materials. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(13): 134-140.
E Yu-ping. Influence of relative humidity and strain rate on the energy absorption properties of paper-based cushioning materials [D]. Jiangnan University, 2010.
LI Liang-chun, GE Qiang, QI Yanping. Enhancing Protection Properties for Military Optical Instruments During Storage and Transportation Through Improving Packaging[J]. Packaging Engineering, 2003,24(03): 86-90.
[3] 徐国葆. 电工产品的防潮包装[J]. 电工技术杂志,1986,(10):14-18.
XU Guo-biao. Moisture-proof packaging for electrical products[J]. Journal of Electrotechnical Engineering, 1986,(10): 14-18.
[4] 肖远文. 储存条件对精密仪器的影响[J]. 医疗卫生装备,1991,(02):43.
XIAO Yuan-wen. The Influence of Storage Conditions on Precision Instruments[J]. Medical and Health Equipment,1991,(02):43.
WANG Li-jun, ZHANG Yan, WANG Zhi-wei. Energy absorption of expanded polyurethane under cycling compression and impact[J]. Journal of Vibration and Shock, 2015,34(05):44-48.
YAN Maoyu. Review of Research and Application of Air Humidity Controlling Materials in Japan[J]. Material guide,2002,16(11):42-44.
[8] Vercelheze A E S, Fakhouri F M, Dall’Antônia L H, et al. Properties of baked foams based on cassava starch, sugarcane bagasse fibers and montmorillonite [J]. Carbohydrate Polymers, 2012,87(2):1302–1310.
[9] Zheng J Y, Shi J, Ma Q, et al. Experimental study on humidity control performance of diatomite-based building materials[J]. Applied Thermal Engineering,2017,114:450–456.
[10] 徐鹏飞. 魔芋葡甘聚糖基调湿材料及其调湿性能研究[D]. 浙江理工大学, 2014.
XU Peng-fei. Study on konjac glucomannan-based humidity-regulating material and its humidity control performance[D]. Zhejiang Sci-Tech University, 2014.
YU Li-ping, E Yu-ping, TU Xiao-fen, et al. Preparation and Properties of Buffer Packaging Materials with Humidity Control Function[J]. Packaging Engineering, 2017, 38(11): 38-44.
[12] 郭俊峰. 马铃薯淀粉的改性及在调湿涂料中的应用[D]. 西北师范大学, 2015.
GUO jun-feng. Modification of Potato Starch and its Application in Humidity-Sensitive Coatings[D]. Northwest Normal University, 2015.
[13] Tian H, Yan J, Rajulu A V, et al. Fabrication and properties of polyvinyl alcohol/starch blend films: Effect of composition and humidity[J]. International Journal of Biological Macromolecules, 2017, 96:518-523.
[14] Nattakan S, Chuleeporn T, Orawan S. A review: Starch based composite foams[J]. Composites Part A:Composites Part A: Applied Science and Manufacturing,2015,78:246-263.
[15] Lopez-Gil A, Silva-Bellucci F, Velasco D. Cellular structure and mechanical properties of starch-based foamed blocks reinforced with natural fibers and produced by microwave heating[J]. Industrial Crops and Products,2015,66 :194-205.