Pub Date : 2021-08-31DOI: 10.20909/kopast.2021.27.2.71
Sung-Tae Jung
The purpose of this study is to establish a new management strategy to meet customer needs of discount stores as customers demand higher and more diverse services in addition to low prices. An empirical analysis on consumers to explore the structural relationships between the quality, environmentally friendliness, consumer perception, service value, and emotional response of retail ready packaging (RRP) in discount stores in order to find out how they affect customer satisfaction and repurchase intention. First, it was confirmed that the RRP quality of discount stores that affects customer satisfaction is mediated by the emotional response. Second, it was found that RRP in discount stores should continue to devise strategies to improve service quality along with efforts to provide more benefits perceived by customers to increase customer satisfaction and repurchase intention. Third, it was confirmed that the RRP image of discount stores has a positive (+) effect on service value, emotional response, customer satisfaction, and repurchase intention.
{"title":"A Study on the Effect of Retail Ready Packaging (RRP) in Discount Stores on Customer Satisfaction and Repurchase Intention","authors":"Sung-Tae Jung","doi":"10.20909/kopast.2021.27.2.71","DOIUrl":"https://doi.org/10.20909/kopast.2021.27.2.71","url":null,"abstract":"The purpose of this study is to establish a new management strategy to meet customer needs of discount stores as customers demand higher and more diverse services in addition to low prices. An empirical analysis on consumers to explore the structural relationships between the quality, environmentally friendliness, consumer perception, service value, and emotional response of retail ready packaging (RRP) in discount stores in order to find out how they affect customer satisfaction and repurchase intention. First, it was confirmed that the RRP quality of discount stores that affects customer satisfaction is mediated by the emotional response. Second, it was found that RRP in discount stores should continue to devise strategies to improve service quality along with efforts to provide more benefits perceived by customers to increase customer satisfaction and repurchase intention. Third, it was confirmed that the RRP image of discount stores has a positive (+) effect on service value, emotional response, customer satisfaction, and repurchase intention.","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131696456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-08-31DOI: 10.20909/kopast.2021.27.2.115
Jung-Soo Lee, 국립원예특작과학원, G. Kim, Hayeon Kim, Dahye Jeong, Da Kyoung Chei, Y. Chea, Me-Hea Park, M. Jang, Y. Hong
{"title":"The Effect of Packaging and Storage Temperature on Quality Changes of ‘White Dadagi’ Cucumber","authors":"Jung-Soo Lee, 국립원예특작과학원, G. Kim, Hayeon Kim, Dahye Jeong, Da Kyoung Chei, Y. Chea, Me-Hea Park, M. Jang, Y. Hong","doi":"10.20909/kopast.2021.27.2.115","DOIUrl":"https://doi.org/10.20909/kopast.2021.27.2.115","url":null,"abstract":"","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134042004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-08-31DOI: 10.20909/kopast.2021.27.2.91
Joon-Sub Shin, 용인송담대학교 사회경영학부, Jongkyoung Kim
{"title":"Effect of Vibration during Distribution Process on Compression Strength of Corrugated Fiberboard Boxes for Agricultural Products Packaging","authors":"Joon-Sub Shin, 용인송담대학교 사회경영학부, Jongkyoung Kim","doi":"10.20909/kopast.2021.27.2.91","DOIUrl":"https://doi.org/10.20909/kopast.2021.27.2.91","url":null,"abstract":"","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127975478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-08-31DOI: 10.20909/kopast.2021.27.2.109
D. Choi, 농촌진흥청 국립농업과학원 수확후관리공학과, J. Son, Jinse Kim, Yonghun Kim, C. Park, Sung-Wook Hwang, Jong-Min Park, H. Jung
{"title":"Quality Change of Packaged Pears in PLA Tray for Export due to Vibration Stress by Simulated Transport Environment","authors":"D. Choi, 농촌진흥청 국립농업과학원 수확후관리공학과, J. Son, Jinse Kim, Yonghun Kim, C. Park, Sung-Wook Hwang, Jong-Min Park, H. Jung","doi":"10.20909/kopast.2021.27.2.109","DOIUrl":"https://doi.org/10.20909/kopast.2021.27.2.109","url":null,"abstract":"","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"281 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116440114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-08-31DOI: 10.20909/kopast.2021.27.2.101
Hyun Chul Kim, Dongguk University-Seoul Seoul Korea Biotechnology, Hee Jin Cha, D. Shin, Yong Keun Koo, Hyejin Cho, Seung Ju Lee
Time-temperature integrators (TTIs) based on aqueous enzyme solutions produce transparent colors which lead to difficulty in distinguishing its color change by naked eye. In this present study, this issue has been solved by increasing the opacity of laccase-based TTI without changes in the kinetics (same zero-order reaction) and temperature dependency (similar Arrhenius activation energy values) of the color change. The opacity was increased by introducing TiO2, latex, BaSO4, or ZnO, in combination with a hydrocolloid (xanthan gum, acacia gum, pectin, and CMC) into the TTI system. The combination of TiO2 and xanthan gum was the best. This finding broadened the advantages of laccasebased TTI to more practical uses for consumer convenience.
{"title":"Visibility Enhancement of Laccase-Based Time Temperature Integrator Color by Increasing Opacity","authors":"Hyun Chul Kim, Dongguk University-Seoul Seoul Korea Biotechnology, Hee Jin Cha, D. Shin, Yong Keun Koo, Hyejin Cho, Seung Ju Lee","doi":"10.20909/kopast.2021.27.2.101","DOIUrl":"https://doi.org/10.20909/kopast.2021.27.2.101","url":null,"abstract":"Time-temperature integrators (TTIs) based on aqueous enzyme solutions produce transparent colors which lead to difficulty in distinguishing its color change by naked eye. In this present study, this issue has been solved by increasing the opacity of laccase-based TTI without changes in the kinetics (same zero-order reaction) and temperature dependency (similar Arrhenius activation energy values) of the color change. The opacity was increased by introducing TiO2, latex, BaSO4, or ZnO, in combination with a hydrocolloid (xanthan gum, acacia gum, pectin, and CMC) into the TTI system. The combination of TiO2 and xanthan gum was the best. This finding broadened the advantages of laccasebased TTI to more practical uses for consumer convenience.","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128946382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-08-31DOI: 10.20909/kopast.2021.27.2.85
Daegyu Lim, Youngsang Kim, S. Kwon, Hyunho Jang, Su‐il Park
The gamma irradiation was on to Poly(butylene sebacate-co-terephthalate) (PBSeT), Poly(butylene adipate- co-terephthalate) (PBAT), Poly(lactic acid) (PLA) and casting polypropylene (CPP) at dose levels from 0 to 50 kGy. The properties of gamma irradiated samples were analyzed using DSC, TGA, UTM and FT-IR spectra. The mechanical and thermal properties of PBSeT and PBAT after gamma irradiation were less affected than CPP. The tensile strength and elongation of PBSeT was not affected by gamma irradiation, while these of PBAT, PLA and CPP were significantly decreased at 50 kGy gamma-ray dose. The thermal stability of PBSeT, PBAT, PLA and CPP showed a similar tendency to tensile strength. The glass transition temperature(Tg) and melting temperature(Tm) of PBSeT and PBAT were not altered by increasing gamma-ray dose, while these of PLA and CPP decreased. The chemical composition of all samples was not modified by gamma irradiation, and it was confirmed by FT-IR spectra. Based on mechanical and thermal stability studies of gamma irradiation on bioplastics, tested biodegradable packaging materials showed a potential to be used in sterilization process up to 35 kGy.
{"title":"Effect of Gamma Irradiation on the Mechanical and Thermal Properties of Biodegradable Packaging Materials","authors":"Daegyu Lim, Youngsang Kim, S. Kwon, Hyunho Jang, Su‐il Park","doi":"10.20909/kopast.2021.27.2.85","DOIUrl":"https://doi.org/10.20909/kopast.2021.27.2.85","url":null,"abstract":"The gamma irradiation was on to Poly(butylene sebacate-co-terephthalate) (PBSeT), Poly(butylene adipate- co-terephthalate) (PBAT), Poly(lactic acid) (PLA) and casting polypropylene (CPP) at dose levels from 0 to 50 kGy. The properties of gamma irradiated samples were analyzed using DSC, TGA, UTM and FT-IR spectra. The mechanical and thermal properties of PBSeT and PBAT after gamma irradiation were less affected than CPP. The tensile strength and elongation of PBSeT was not affected by gamma irradiation, while these of PBAT, PLA and CPP were significantly decreased at 50 kGy gamma-ray dose. The thermal stability of PBSeT, PBAT, PLA and CPP showed a similar tendency to tensile strength. The glass transition temperature(Tg) and melting temperature(Tm) of PBSeT and PBAT were not altered by increasing gamma-ray dose, while these of PLA and CPP decreased. The chemical composition of all samples was not modified by gamma irradiation, and it was confirmed by FT-IR spectra. Based on mechanical and thermal stability studies of gamma irradiation on bioplastics, tested biodegradable packaging materials showed a potential to be used in sterilization process up to 35 kGy.","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125413040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-08-31DOI: 10.20909/kopast.2021.27.2.55
K. Chung, H. Park, Y. Shin
This study aims to reduce the rancid odor generated during the fermentation process of kimchi by inserting zinc oxide (ZnO) into an inorganic porous material with a high surface area to decompose or adsorb the fermentation odor. ZnO activated by the presence of moisture exhibits decomposition of rancid odors. Mixed with Titanium dioxide (TiO2), a photocatalyst. To manufacture the packaging liner used in this study, NaOH, ZnCl2, and TiO2 powder were placed in a tank with diatomite and water. The sludge obtained via a hydrothermal ultrasonication synthesis was sintered in an oven. After being pin-milled and melt-blended, the powders were mixed with linear low-density polyethylene (L-LDPE) to make a masterbatch (M/B), which was further used to manufacture liners. A gas detector (GasTiger 2000) was used to investigate the total amount of sulfur compounds during fermentation and determine the reduction rate of the odor-causing compounds. The packaging liner cross-section and surface were investigated using a scanning electron microscope-energy dispersive X-ray spectrometer (SEM-EDS) to observe the adsorption of sulfur compounds. A variety of sulfur compounds associated with the perceived unpleasant odor of kimchi were analyzed using gas chromatography-mass spectrometry (GC-MS). For the analyses, kimchi was homogenized at room temperature and divided into several sample dishes. The performance of the liner was evaluated by comparing the total area of the GC-MS signals of major off-flavor sulfur compounds during the five days of fermentation at 20oC. As a result, Nano-grade inorganic compound liners reduced the sulfur content by 67 % on average, compared to ordinary polyethylene (PE) foam liners. Afterwards SEM-EDS was used to analyze the sulfur content adsorbed by the liners. The findings of this study strongly suggest that decomposition and adsorption of the odor-generating compounds occur more effectively in the newly-developed inorganic nanocomposite liners.
{"title":"Effect of Inorganic Nanocomposite Based Liners on Deodorization of Kimchi","authors":"K. Chung, H. Park, Y. Shin","doi":"10.20909/kopast.2021.27.2.55","DOIUrl":"https://doi.org/10.20909/kopast.2021.27.2.55","url":null,"abstract":"This study aims to reduce the rancid odor generated during the fermentation process of kimchi by inserting zinc oxide (ZnO) into an inorganic porous material with a high surface area to decompose or adsorb the fermentation odor. ZnO activated by the presence of moisture exhibits decomposition of rancid odors. Mixed with Titanium dioxide (TiO2), a photocatalyst. To manufacture the packaging liner used in this study, NaOH, ZnCl2, and TiO2 powder were placed in a tank with diatomite and water. The sludge obtained via a hydrothermal ultrasonication synthesis was sintered in an oven. After being pin-milled and melt-blended, the powders were mixed with linear low-density polyethylene (L-LDPE) to make a masterbatch (M/B), which was further used to manufacture liners. A gas detector (GasTiger 2000) was used to investigate the total amount of sulfur compounds during fermentation and determine the reduction rate of the odor-causing compounds. The packaging liner cross-section and surface were investigated using a scanning electron microscope-energy dispersive X-ray spectrometer (SEM-EDS) to observe the adsorption of sulfur compounds. A variety of sulfur compounds associated with the perceived unpleasant odor of kimchi were analyzed using gas chromatography-mass spectrometry (GC-MS). For the analyses, kimchi was homogenized at room temperature and divided into several sample dishes. The performance of the liner was evaluated by comparing the total area of the GC-MS signals of major off-flavor sulfur compounds during the five days of fermentation at 20oC. As a result, Nano-grade inorganic compound liners reduced the sulfur content by 67 % on average, compared to ordinary polyethylene (PE) foam liners. Afterwards SEM-EDS was used to analyze the sulfur content adsorbed by the liners. The findings of this study strongly suggest that decomposition and adsorption of the odor-generating compounds occur more effectively in the newly-developed inorganic nanocomposite liners.","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125483316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-31DOI: 10.20909/KOPAST.2020.26.3.139
S. Bae, 교수 용인송담대학교비서경영과
{"title":"Experience in Online Education in Logistic-related Departments in the New Normal Age","authors":"S. Bae, 교수 용인송담대학교비서경영과","doi":"10.20909/KOPAST.2020.26.3.139","DOIUrl":"https://doi.org/10.20909/KOPAST.2020.26.3.139","url":null,"abstract":"","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"191 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133427596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-31DOI: 10.20909/KOPAST.2020.26.3.155
Sung-Tae Jung
{"title":"A Study on the Influence of the Packaging System-related Institutional Approach on Logistics Efficiency (Focusing on Retail Ready Packaging System)","authors":"Sung-Tae Jung","doi":"10.20909/KOPAST.2020.26.3.155","DOIUrl":"https://doi.org/10.20909/KOPAST.2020.26.3.155","url":null,"abstract":"","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131791562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-31DOI: 10.20909/kopast.2020.26.2.93
Hyunho Jang, 연세대학교 패키징학과, S. Kwon, Yoojun Eom, Seungwoo Yoo, Su‐il Park
The blends of Poly(lactic acid) (PLA) and Poly(butylene adipate-co-terephthalate) (PBAT) have been recognized as a replacement for commodity plastic films and bags in biodegradable packaging industries. The purpose of this study is to identify changes in the thermal and mechanical properties of PLA/PBAT blends with the addition of poly(ethylene oxide)(PEO). PLA (80%) and PBAT (20%) were melt mixed with 0 to 10 phr of PEO and processed using a hot press. The addition of PEO into PLA/PBAT increased the elongation at break and improved thermal stability. With PEO addition, two melting temperature (Tm) peaks of PLA/PBAT merged into one peak showing improved miscibility. The result of this study showed that the addition of PEO increased the ductility and thermal stability of PLA/PBAT blends.
{"title":"Effects of PEO Additions on the Mechanical and Thermal Proprieties of PLA/PBAT Blends","authors":"Hyunho Jang, 연세대학교 패키징학과, S. Kwon, Yoojun Eom, Seungwoo Yoo, Su‐il Park","doi":"10.20909/kopast.2020.26.2.93","DOIUrl":"https://doi.org/10.20909/kopast.2020.26.2.93","url":null,"abstract":"The blends of Poly(lactic acid) (PLA) and Poly(butylene adipate-co-terephthalate) (PBAT) have been recognized as a replacement for commodity plastic films and bags in biodegradable packaging industries. The purpose of this study is to identify changes in the thermal and mechanical properties of PLA/PBAT blends with the addition of poly(ethylene oxide)(PEO). PLA (80%) and PBAT (20%) were melt mixed with 0 to 10 phr of PEO and processed using a hot press. The addition of PEO into PLA/PBAT increased the elongation at break and improved thermal stability. With PEO addition, two melting temperature (Tm) peaks of PLA/PBAT merged into one peak showing improved miscibility. The result of this study showed that the addition of PEO increased the ductility and thermal stability of PLA/PBAT blends.","PeriodicalId":247892,"journal":{"name":"KOREAN JOURNAL OF PACKAGING SCIENCE AND TECHNOLOGY","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114453965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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