Browsing Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์ by Issue Date
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Study on properties of PLA/PEO blend films forextended shelf-life of orchids cut flowers
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)This research aims to develop packaging film for extended shelf-life Dendrobium Orchids. This research was separated into 3 sections. The first part was to study the effect of poly(ethylene oxide) (PEO) content at 5, 10 ... -
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 ... -
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 ... -
PREPARATION OF CELLULOSE BASED ION EXCHANGE RESINS FROM WATER HYACINTH FOR THE REMOVAL OF HEAVY METAL CATIONS FROM WASTE WATER
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)Presently, heavy metal pollution in natural water resources is one of the most important environmental problems. The purpose of this research is to develop the novel cellulose-based ion exchange resins from water hyacinth ... -
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 ... -
Preparation and properties of nanocomposites between polyamide 11 and functionalized graphene
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)The nanocomposites between polyamide 11 and graphene carboxylic acid (GCOOH) was prepared to study the effect of GCOOH content and processing condition via cast film extruder, and to study the effect of 3-(aminopropyl) ... -
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 ... -
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 ... -
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 ... -
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 ... -
Thermal and mechanical properties of poly(lactic acid)/pineapple leaf fiber biocomposite
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 12/7/2019)Poly(lactic acid) (PLA) is one of bioplastics having great potential in production and application in industry. However, the using of PLA is still limited due to its poor resistance to high temperatures. Therefore, in ... -
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 ... -
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 ...