Abstract
In the present study, plant fiber foam materials have significant differences in density compared to conventional plastic foam materials. In view of the current problems of fiber foam materials, the montmorillonite (MMT) organically modified by octadecyl-dimethyl-benzyl-ammonium chloride (ODBA) was added to the preparation of composite foam materials by optimizing the existing formula. The properties of organic montmorillonite (OMMT) and the prepared composite foam materials were characterized by scanning electron microscopy (SEM), X-ray diffractometry (XRD), and a standing wave tube sound absorption tester. The results showed that the pore size inside the plant fiber foam materials with the addition of OMMT was more uniform and arranged more closely and orderly. In addition, when the OMMT was added to 0.1 g, the density of the prepared OMMT-bagasse composite foam materials reached its lowest point of 0.079 g/cm3, which was shared with high foam materials.
Highlights
In recent years, with the explosive development of e-commerce platforms and take-out industries, the demand for plastic foam materials has exploded
Foreign researchers use polyvinyl alcohol (PVA), polylactic acid (PLA), and other mainstream adhesion aids as basic additives to explore their composite properties with natural high molecular polymers, such as various plant fibers and starch, and other artificial polymers
MMT was modified by octadecyl-dimethyl-benzyl-ammonium chloride (ODBA), and the interlayer spacing of the organic montmorillonite (OMMT) was increased from
Summary
With the explosive development of e-commerce platforms and take-out industries, the demand for plastic foam materials has exploded. Materials 2019, 12, 420 plant cellulose and the corn starch is excellent, and the low concentration of cellulose can effectively enhance the physical properties of the foam materials. Zhang of Jiangnan University [5] used waste corrugated board as the main raw material, modified the fiber with NaOH, and used polyvinyl alcohol (PVA) as the main adhesive to prepare foam materials by low-power microwave foaming technology. The MMT was modified and added to the foaming process, where bagasse fiber and corn starch were used as the basic raw materials. The composite foam materials were prepared by microwave foaming, and the influence of the foaming process condition and the content of various reagents on the properties of the foam materials were investigated. The purpose is to provide a theoretical basis for realizing the industrial production of green degradable materials instead of plastic foam materials as soon as possible
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