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ผลงานตีพิมพ์ในวารสารวิชาการComparative assessment of the environmental profile of PLA and PET drinking water bottles from a life cycle perspectiveผู้แต่ง: Papong, S., Malakul, P., Trungkavashirakun, R., Wenunun, P., Chom-In, T., Nithitanakul, M.,  Dr.Ed Sarobol, Professor , วารสาร:  
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ผลงานตีพิมพ์ในวารสารวิชาการDevelopment of reusable Ni/?-Al2O3 catalyst for catalytic hydrolysis of waste PET bottles into terephthalic acidผู้แต่ง:Yan, M., Yang, Y., Chen, F., Hantoko, D., Pariatamby, A., Mr.EKKACHAI KANCHANATIP, Assistant Professor , วารสาร: |
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 หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Properties of Recycled Plastics from HDPE Drinking Water Bottles) ผู้เขียน:นางสินีนาถ จริยโชติเลิศ, ผู้ช่วยศาสตราจารย์ , Naruekmon Kooudomrut, Wipada Rittisith สื่อสิ่งพิมพ์:pdf AbstractThe growing amount of plastic bottles have caused plastic waste problem in Thailand and elsewhere. In this paper the recycling of drinking water bottles made of HDPE was studied. Collected waste bottles were ground to small pieces and then mixed with virgin HDPE resin at the composition of 0, 20, 25, 40, and 50% recycled plastics. The effect of adding 0, 10, 20 and 30% (w/w) of calcium carbonate as plastic filler was also studied. The mixed compound was injection molded into dumbbell – shaped testing samples and tested for density, tensile strength and elongation. The result showed that increased recycled plastics significantly reduced density and tensile strength but increased elongation of tested samples. Addition of calcium carbonate also significantly decreased both tensile strength and elongation. The chosen quantity of recycled plastics in compounded mixture was 20% and calcium carbonate content of 10%. The recycled HDPE was utilized by injection molding into flowerpots or multi-purpose trays. |
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ผลงานตีพิมพ์ในวารสารวิชาการEffect of Recycling PET Fabric and Bottle Grade on r-PET Fiber Structureผู้แต่ง:Roungpaisan, N., Srisawat, N., Mr.Nattadon Rungruangkitkrai, Lecturer , Ms.Nawarat Chartvivatpornchai, Lecturer , Ms.Jirachaya Boonyarit, Kittikorn, T., Dr.Rungsima Chollakup, วารสาร: |
หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Determination of Drop-Impact Resistance of Plastic Bottles using Computer Aided Engineering) ผู้เขียน:นายชาคริต สุวรรณจำรัส, อาจารย์, ดร.ธำรงค์ พุทธาพิทักษ์ผล, รองศาสตราจารย์ สื่อสิ่งพิมพ์:pdf AbstractASTM D2463 discusses the standard test method for drop impact resistance of blow-molded thermoplastic containers using procedures to determine the mean failure height and the standard deviation of the distribution. Unfortunately, costly prototypes have to be created before the drop impact test can be conducted. The MSC Dytran program was used with finite element simulation of the drop impact test of plastic bottles to determine the failure height for polyethylene terephthalate (PET) and high density polyethylene (HDPE) bottles. The finite element results were verified using experimental results obtained using the test method prescribed in ASTM D2463. It was found that the finite element simulation obtained accurate results. The failure heights for the PET and HDPE bottles were 4.53 ? 0.41 m and 4.65 ? 0.81 m, respectively. The errors in the failure height obtained from the FE simulation were less than 9.27% for the PET bottle and 5.59% for the HDPE bottle. |
หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Finite Element Method for Creep Testing of High Density Polyethylene Lubricant Oil Bottles) ผู้เขียน:นายชาคริต สุวรรณจำรัส, อาจารย์, เอกชัย ชัยชนะศิริ สื่อสิ่งพิมพ์:pdf AbstractStacking is one method for storing many lubricant oil bottles. Bottles on the lower storey may collapse after storage for a long time because of the creep behavior of bottle materials. To avoid bottle collapse, creep testing of the bottle is required to obtain the relation between deformation and the time a bottle is under creep load. This relation can be used to manage the storage time and to improve bottle shape. Unfortunately, the identification of creep resistance for lubricant oil bottles may take more than one month. This is not satisfactory considering the market competition for container products. Therefore, this study used the finite element method (FEM) to simulate the creep behavior of high density polyethylene (HDPE) lubricant oil bottles and compared the experimental results to validate the FEM. Sample 1 L and 6 L bottles with masses of 55 and 310 g, respectively, were tested and simulated. From the results, the overall difference of deformation between the FEM and experimental samples for the 1 L and 6 L bottles was 16.20 and 13.91%, respectively. However, the FEM was able to capture the trend of bottle deformation. The weak points of 1 L and 6 L bottles were the shoulder and the handle of the bottle, respectively. The FEM results can be applied to manage the storage time of lubricant oil with regard to stacking and to developing the design of the lubricant oil bottle as well. |
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Researcherนางสาว จิรชยา บุญญฤทธิ์ที่ทำงาน:ฝ่ายเทคโนโลยีชีวมวลและพลังงานชีวภาพ สถาบันค้นคว้าและพัฒนาผลิตผลทางการเกษตรและอุตสาหกรรมเกษตร สาขาที่สนใจ:Solid state fermentation of fungi, เทคโนโลยีเส้นใย, คอมพอสิทเส้นใยธรรมชาติ Resume |
ผลงานตีพิมพ์ในวารสารวิชาการEnhanced Joule heating performance of flexible transparent conductive double-walled carbon nanotube films on sparked Ag nanoparticlesผู้แต่ง:Anusak, N., Virtanen, J., Kangas, V., Promarak, V., Mr.Peerapong Yotprayoonsak, Assistant Professor, วารสาร: |
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