Browsing Department of Materials Science and Engineering by Issue Date
Now showing items 21-40 of 180
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Bio-based plastics reinforced with natural fibers/hybrid composites through reactive processing
Collection: Theses (Ph.D) - Polymer Science and Engineering (International Program) / ดุษฎีนิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์ (หลักสูตรนานาชาติ)Type: Thesis(Silpakorn University, 12/7/2019)The reinforced PLA composite and hybrid composites with natural fibers, inorganic filler and/or synthetic fiber were fabricated by in situ reactive melt-blending in one-step process and their properties were investigated. ... -
Preparation of thermoplastic elastomer from natural rubber and polycaprolactone blend
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)This research was aimed to study properties of NR/PCL blend to be applied for thermoplastic elastomer. The study was divided into 3 parts. The first part was performed to improve compatibility of NR/PCL by adding difference ... -
Properties of polymer blends between poly(lactic acid) and polyamide11
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)Poly(lactic acid) (PLA) is a biodegradable polymer but it is brittle polymer. This drawback could be resolved by blending PLA with tougher polymers. Polyamide 11 (PA11) is a bio-based polymer that has high toughness. The ... -
Preparation of thermoplastic vulcanizates from natural rubber and poly(butylene adipate-co-terephthalate) blends
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)The aim of this research was to study PBAT/NR blends, dynamic vulcanizates blends and TPV/organoclay based on the blends of PBAT/NR. In this research, PBAT was mixed with NR in an internal mixer machine to obtain the blends. ... -
Caffeine adsorption by using cyclodextrin hydrogel
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)Caffeine is found in various kinds of food and drink and it can affect the human nervous system. This research aims to prepare the hydrogel between cellulose and β-cyclodextrin from co-precipitation and crosslink method. ... -
Influence of linseed oil and its derivative on moisture absorption and mechanical properties of thermoplastic starch
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)Thermoplastic starch (TPS) is a bio-based and biodegradable polymer that has tendency to replace many petroleum-based polymers. However, one of the important weakness of TPS is moisture sensitivity. This research aims to ... -
Effect of NR, NBR composition and nanofiller on BR foaming.
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 17/8/2018)Blend of NR and BR is high flexibility and abrasion resistance. Nevertheless, NR/BR blend has some drawbacks such as poor non-polar solvent resistance. NBR compound has an excellent resistance to non-polar oils. Foam ... -
Study the effect of In-situ micro fibrillation of PE on properties of PLA/polyolefin blend
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 17/8/2018)Poly (lactic acid), PLA is widely accepted because it is a biodegradable thermoplastic that can be produced from renewable resources. PLA has good mechanical performances, transparent and barrier properties. However, it ... -
Development of antibacterial food packaging films from polymer blend between poly(butylene succinate) and poly(butylene adipate-co-terephthalate)
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 17/8/2018)This research aimed to study the preparation of antibacterial food packaging films from polymer blends between PBS/PBAT with and without peroxide as a reaction initiator then coated with chitosan or zinc oxide. In part 1, ... -
Development of food packaging films from poly(butylene succinate) coating with microcrystalline cellulose
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 17/8/2018)The objective of this work was to develop gas barrier properties of food packaging films which were biodegradable polymer. The food packaging films were prepared from poly(butylene succinate); PBS films coated with ... -
Synthesis of Copolycarbonate from CO2 and Probability to Improve Impact properties of Poly (lactic acid)
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 17/8/2018)This work aimed to study the preparation of copolycarbonate based on carbon dioxide (CO2) and 1, 2-butylene oxide using zinc glutarate (ZnGA) as a catalyst. The effect of reaction time, temperature, and pressure on the ... -
Preparation of polymer composite from biodegradable polymers and coffee bean waste for agriculture application
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 17/8/2018)This research was aimed to study feasibility to improve properties of PBS to be suitable for agriculture application. The study was divided into two parts. The first part was performed to improve properties of PBS by ... -
Study and comparison mechanical properties of different Poly(lactic acid) grades with filler and plasticizers
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 17/8/2018)The aim of this research was to study and compare the effect of plasticizer type and content including the addition of talcum on mechanical and dynamic mechanical properties of poly(lactic acid). Two types of plasticizer ... -
Preparation and performance of functional materials for catalyst and energy applications
Collection: Theses (Ph.D) - Polymer Science and Engineering (International Program) / ดุษฎีนิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์ (หลักสูตรนานาชาติ)Type: Thesis(Silpakorn University, 17/8/2018)The main aim of this dissertation is to study the preparation and performance of functional materials, including coconut shell based activated carbon (ACCS), coconut shell based activated carbon-titania hybrid (ACCS/TiO2), ... -
Polybutylene succinate porous scaffold prepared by fused deposition modeling and salt leaching techniques for drug delivery application
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 18/6/2021)A scaffold is a biomedical appliance for tissue restoration that can be used to achieve drug delivery purposes. The objective of this research was to prepare polybutylene succinate scaffolds fabricated by fused deposition ... -
Study and properties enhancement of biodegradable polymer with recycled poly(ethylene terephthalate)
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 18/6/2021)This research was aimed to enhance properties of PLA by blending PLA with RPET, which the effect of different grades of RPET, RPET content and chain extender content on properties of polymer blends were studied. Two grades ... -
Preparation and characterization of bio - foam from polymer blends of polylactic acid and polybutylene succinate
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 18/6/2021)Nowadays, plastics are widely used but they are non-biodegradable plastics which have been caused serious environmental pollutions due to the degradability issue, especially consumable food packaging. In this research, ... -
Preparation of polyaniline based composite for supercapacitor
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 18/6/2021)Polyaniline (PANI) is a conductive polymer which attracts to produce electrode in supercapacitors, However, PANI has the limitations on using stability and low conductivity. This research has a concept to synthesize ... -
Development of the rotational jet spinning machine for polylactic acid fiber
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 18/6/2021)The objective of this research develops the technique of non-woven polylactic acid fiber fabrication by developing a rotational jet spinning (RLS) technique. The prototype of RJS is a cotton candy machine due to a cotton ... -
Effect of nanofiller on in-situ fibrillation of dispersed PE phase in PLA blend.
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 2/1/2019)This research is aimed to improve ductility of PLA by blending with PE containing different branched structures which are HDPE, LLDPE and LDPE. The films of PLA/PE with various contents of PE at 5-30 % by weight were ...