Browsing by Author "ศุภกิจ สุทธิเรืองวงศ์"
Now showing items 1-16 of 16
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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. ... -
Development of biodegradable plastics top seal packaging for instant foods
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 25/11/2022)Polybutylene succinate (PBS) and polybutylene succinate-co-adipate (PBSA) are biodegradable polymers with mechanical properties similar to polyolefin. In general, a top seal film used as instant food packaging film is made ... -
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 ... -
Development of water repellent film packaging based on Poly(butylene adipate-co-terephthalate) and Polyethylene
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 1/7/2022)The demand for packaging has increased dramatically due to the increased population, but most of these plastic food containers are single-use plastics and turned into a large amount of wastes because food contact plastic ... -
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 ... -
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 ... -
Micro/nano-bubbles technology for microplastics separation
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 4/7/2023)This research aimed to study the use of micro/nano-bubbles (MNBs) technology to investigate the factors that affect the process and the efficiency improvement of microplastic separation from water by MNBs production ... -
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 ... -
Preparation and characterization of ternary blend of thermoplastic starch/poly(hydroxybutyrate-co-hydroxyvalerate)/poly(vinyl alcohol)
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 2/7/2021)This research aims to study the preparation of thermoplastic starch (TPS)/polyvinyl alcohol (PVOH) blend with the reactive agent as Joncryl® ADR-4300 and Dicumyl peroxide by adding poly(hydroxybutyrate-co-hydroxyvalerate) ... -
Preparation of poly(lactic acid)/polycaprolactone blend fiber using rotational jet spinning for wound dressing application
Collection: Theses (Master's degree) - Polymer Science and Engineering / วิทยานิพนธ์ - วิทยาการและวิศวกรรมพอลิเมอร์Type: Thesis(Silpakorn University, 26/11/2021)The aim of this research to develop the neomycin sulfate-loaded poly(lactic acid)/polycaprolactone blend fibers using rotational jet spinning for wound dressing application. The factors affecting the fiber morphology, ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...