Study on the Properties of Chemical Foaming Injection Molded Polyolefin/Chitosan Composites
- 17 June 2022
- journal article
- Published by Trans Tech Publications, Ltd. in Materials Science Forum
- Vol. 1064, 21-26
- https://doi.org/10.4028/p-oao5p9
Abstract
Chitosan is a biodegradable material with good biocompatibility. It can be used in medicine, foodstuff, the chemical industry and heavy metal adsorption. In this study, an exothermic foaming agent (Azodicarbonamide) injection molded was added to polypropylene (PP), maleic anhydride (MA) grafted PP (PPgMA) and Chitosan composites. MA served as a compatibilizer due to the poor bonding between PP and chitosan. This study investigated the effects of the modifier and chitosan loading on the tensile strength, thermal properties and morphology in chemical foam injection-molded PP and PPgMA composites. The results showed that the tensile strength decreased with the addition of chitosan, but Young’s modulus increased with the added chitosan loading. The enhancement was significant for foam injection molding. The cell size decreased and the cell density increased with the addition of chitosan for the PP/PPgMA composites. The thermogravimetric analysis (TGA) results showed that the thermal degradation could be decreased with the addition of chitosan in both the PP and PPgMA composites. The use of foamed chitosan composites will be further investigated in the removal of heavy metal in waste water.Keywords
This publication has 13 references indexed in Scilit:
- Applications of conducting polymer composites to electrochemical sensors: A reviewApplied Materials Today, 2017
- Mechanical and thermal properties of epoxy composite thermal insulators filled with silica aerogel and hollow glass microspheresProceedings of the Estonian Academy of Sciences, 2017
- Mechanism of extensional stress-induced cell formation in polymeric foaming processes with the presence of nucleating agentsThe Journal of Supercritical Fluids, 2012
- A review on the tensile properties of natural fiber reinforced polymer compositesComposites Part B: Engineering, 2011
- Preparation and acid dye adsorption behavior of polyurethane/chitosan composite foamsFibers and Polymers, 2009
- PLGA/chitosan composites from a combination of spray drying and supercritical fluid foaming techniques: New carriers for DNA deliveryJournal of Controlled Release, 2008
- Preparation and characterization of polycaprolactone-chitosan composites for tissue engineering applicationsJournal of Materials Science, 2007
- Properties and biocompatibility of chitosan films modified by blending with PEGBiomaterials, 2001
- Crystallization and melting behavior of polypropylene and maleated polypropylene blendsPolymer, 1999
- Nucleation of microcellular foam: Theory and practicePolymer Engineering & Science, 1987