Browsing Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์ by Issue Date
Now showing items 1-20 of 143
-
Green Preparation of Polymer/Reduced Graphene Oxide Electrodes for Multicolor Electrochromic Devices
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 10/7/2020)Electrochromic devices are very popular in their applications regarding electronic display screens that can change colors. The electrodes of devices are made of the glass coated metal materials which is expensive and low ... -
Reactive blending of Poly(lactic acid) and Thermoplastic starch
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/6/2020)The polymer blend between Poly(lactic acid) (PLA) and Thermoplastic starch (TPS) is problematic due to their incompatibility resulted from the difference between polarity and viscosity. Therefore, in the work, the viscosity ... -
Reactive Blending of Polyhydroxybutyrate and Poly (lactic acid)
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/6/2020)Polyhydroxybutyrate (PHB) and polylactic acid (PLA) are immiscible blends. Their blends have poor properties. This work aims to study compatibilization of polymer blend between PHB and PLA 2 methods; first the addition of ... -
Biomaterial for dentistry applications
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/6/2020)This research is a study of alternative materials for temporary dental crowns made from biodegradable polymer, which are molded using 3D printing. Polylactic acid was reinforced with aluminum oxide powder treated surface ... -
A study of thermoplastic starch preparation in twin screw extruder using native and modified tapioca starch.
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)This objective of this work was to study types and contents of plasticizers was effect to prepare thermoplastic starch from native or modified tapioca starch (NT, KFM) by using internal mixer and the effect of Ethylene ... -
DEVELOPMENT OF BIOFOAM FROM WHEAT GLUTEN AND WHEAT STARCH BLEND FOR FOOD PACKAGING
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)Biofoams based on wheat gluten and wheat starch were fabricated by thermal compression molding to replace petroleum-based polymer foams, especially polystyrene paper foam (PSP foam) used as food packaging trays. This ... -
Preparation and properties of bacterial cellulose reinforced poly(lactic acid) composites
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)This research is aimed to study the influence of silane modified bacterial cellulose surface and the addition of bacterial cellulose on the morphology, mechanical and thermal properties and water absorption of Poly(lactic ... -
Morphology and mechanical properties ofbacterial cellulose/modified natural rubber blend
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)The aim of this research is to improve the elasticity of bacterial cellulose with natural rubber and modified natural rubber. Dextrin-grafted epoxidized natural rubber (ENR-Dex) was obtained by grafting dextrin onto ENR. ... -
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. ... -
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 ... -
Sorting post-consumer polymer on conveyor belt using NIR spectroscopy
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)Sorting plastic waste in Thailand usually done by manual using recycle sign or by physical sorting such as float-sink. Due to no recycle sign on products and some heavy filler might effected to density thus could be a ... -
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 ... -
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 ... -
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 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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ...