Browsing Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์ by Title
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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 ... -
Computational design and material selection for shipping packaging
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 29/11/2019)This research aims to computationally design and study polymeric material selection for shipping packaging. The computational design was drawn by the SolidWorks program. After that, the rapid prototypes were fabricated by ... -
Controlled - release urea fertilizer by PBAT - based films for agricultural applications
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 26/11/2021)Composite sheets of poly(butylene adipate-co-terephthalate (PBAT) containing urea and organomontmorillonite (OMMT) were prepared in this study. The main objective of this research was to study the controlled-releasability ... -
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 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 ... -
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 ... -
Development of packaging films from polymer blend between Poly(lactic acid) and Poly(butylene adipate-co-terephthalate) for extended shelf life of fruits
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 26/11/2021)At present, the packaging is wildly used in the food and postharvest industries, but spoilage and pathogenic microorganism are concerned because they cause postharvest losses and quality deterioration of fresh products. ... -
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 ... -
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 ... -
Feasibility study of adhesive development based on biobased materials
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)Polyurethane adhesive has high strength adhesion and can be applied to many types of surfaces. Polyurethane adhesives are usually synthesized by polycondensation reaction between diisocyanates and diols. However, isocyanates ... -
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 ... -
Improvement of mechanical properties and investigation of thermal stability of PHBV with bio-polymer blend and polymer composite method
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 2/7/2021)Poly(hydroxybutylate-co-hydroxyvalerate (PHBV) possesses good mechanical properties. However, this polymer has limitations such as narrow processing window and low impact resistance. Therefore, in this research thermal ... -
MECHANICAL PROPERTY ENHANCEMENT OF RECYCLED POLY(ETHYLENE TEREPHTHALATE) WITH NYLON 6 AND GLASS FIBER
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)This research aimed to enhance properties of post-consumer soft drink bottles (RPET) by blending polyamide6 (PA6) with RPET, which the effect of reactive compatibilizer on properties of polymer blends were studied. The ... -
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. ... -
Nucleation efficiency of sulfonate derivatives compounds for Polylactic acid
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)The objective of this research is to study and improve the crystallization rate of PLA using sulfonate salt nucleating agents. In this work, the sulfonate derivatives which is sodium dimethyl 5-sulfoisophthalate ... -
Plastic color measurement based on raw spectrum in 400-1000 nanometer with CIE L*a*b* system.
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)The color standard system of Commission International del'Eclairage's color system in L*a*b* color space is widely used because it can measure brightness, hue, and saturation. Most of the color measurement in manufacture ... -
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 ... -
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, ... -
THE PREPARATION AND CHARACTERIZATION OF NR/CR BLEND FOAM
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)This research was aimed to study the rubber blends between natural rubber (NR) and chloroprene rubber (CR). The formulation of NR/CR blends and preparation of rubber foam or rubber sponge were carried out. The objectives ... -
Preparation and characterization of poly(butylene adipate-co-terephthalate) biocomposites films for extended shelf-life of fruits
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 2/7/2021)Nowadays, packagings are widely used in post-harvest agro industry which subsequently caused the environmental problems due to it is not biodegradable. In this research, biodegradable materials i.e., Polybutylene ...