Die abpackende Industrie steht im Zeitalter von Individualisierung und Industrie 4.0 vor neuen produktionstechnischen Herausforderungen. Der Markt fordert einerseits: kürzere Produktzyklen (mehr zielgruppenspezifische Produktlinien, Promotions- und Saisonware), häufige Umrüstungen und kurze Auftragslaufzeiten, marketinggetriebene Produktvielfalt. Gleichzeitig soll die Produktivität angehoben und ein dauerhaft hohes Qualitätsniveau erreicht werden. [... aus dem Text]

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A packaging model is presented in this study which attempts to show some important aspects of a consumer's cognitive process in relation to packaging. This packaging model is based on the theories of imagery, emotion, and perception (and sensation). Perception of a packaged good occurs because the motivation system of a consumer selects particular information that the packaged good provides. Unlike the situation which occurs in behaviorism, stimulus is as important as response, and motivation explains why people don't perceive all the information available in the environment. When perception occurs, two subsequent responses are possible in the mind of a consumer: the connotative response and the denotative response. A connotative response is an evaluation of the perceived, i.e. emotion. Denotative response is imagery which is produced by conditioned sensory response. Imagery may elicit emotional response. Thus, imagery may reinforce consumer behavior positively or negatively. Emotion with regard to a packaged good is, then, the combination of emotions elicited by the perceived and the imagery evoked. This packaging model tries to explain purchasing behavior through the concepts of imagery and emotion.

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Development of temperature controlled packaging (TCP) systems involves a significant lead-time and cost as a result of the large number of tests that are carried out to understand system performance in different internal and external conditions. This MPhil project aims at solving this problem through the development of a transient spreadsheet based model using lumped system approach that predicts the performance of packaging systems under a wide range of internal configurations and dynamically changing environmental thermal conditions. Experimental tests are conducted with the aim of validating the predictive model. Testing includes monitoring system temperature in a wide range of internal configurations and external thermal environments. A good comparison is seen between experimental and model predicted results; increasing the mass of the chilled phase change material (PCM) in a system reduces the damping in product performance thereby reducing the product fluctuations or amplitude of the product performance curve. Results show that the thermal mathematical model predicts duration to failure within an accuracy of +/- 15% for all conditions considered.

This essay compares five breakfast cereal packages to study how they visually communicate to the audience through anthropomorphic mascots. The purpose of this study is to contribute with knowledge of how the use of anthropomorphic mascots can help a brand communicate. To study this, a semiotic analysis has been used on five different cereal packages, Kellogg´s Frosties, Kellogg´s Coco Pops, Nesquik, Froot Loops and Kalaspuffar. The analysis was later compared with different research papers to confirm and discuss the results that anthropomorphic mascots are a good way to communicate to create a relationship with children and adults. Anthropomorphic mascots resemble characters in childhood stories that children are already familiar with. Cereal packaging also use nostalgia to communicate to adults/parents through well used mascots and familiar design.

Många av de aktuella miljöproblemen kan kopplas till dagens konsumtionssamhälle som intensivt brukar jordens resurser. För att nå klimatmålen och reducera antropogen påverkan på miljön krävs effektiva åtgärder, bland annat inom produktion och konsumtion av varor och tjänster. En åtgärd skulle kunna vara att införa ett återbrukssystem för förpackningar. Det kan bidra till att skapa en cirkulär ekonomi där material- och energiflöden sluts och resurser nyttjas till fullo. För att ett återbrukssystem ska fungera i praktiken har producenter och konsumenter en viktig roll då förpackningarna måste returneras för att kunna återanvändas. Därmed finns ett intresse av att undersöka hur producenter och konsumenter ser på införandet av ett potentiellt återbrukssystem. Denna studie kommer utvärdera potentialen för ett återbrukssystem i Sverige genom att utföra en fallstudie på återanvändbara mjölkflaskor av glas.  Syftet med studien är att utvärdera om en introducering av återanvändbara mjölkförpackningar av glas kan vara ett alternativ ur ett producent- och konsumentperspektiv. Detta analyseras genom att utreda intresset för ett återbrukssystem samt att identifiera eventuella hinder, för- och nackdelar och viktiga sociala aspekter med systemet. För att undersöka producenternas intresse genomfördes intervjuer med representanter från två mejerier i Sverige. Konsumenternas intresse undersöktes genom en enkätstudie. Utifrån befintlig litteratur inom området identifierades ett antal teman som har betydelse för individers beteenden: värderingar, medvetenhet och bekvämlighet. Dessa användes för analys av konsumenters intresse för systemet.  Resultatet visar att det inte finns något övergripande intresse hos producenter och konsumenter för ett återbrukssystem med mjölkflaskor av glas i dagsläget. För producenterna skulle det isåfall vara om det går att motivera att det medför miljömässiga fördelar samt lönsamhet för företaget. Konsumenternas intresse motiveras av sociala aspekter såsom personligt intresse och engagemang för miljön, och begränsas av den extra ansträngningen som krävs för att returnera flaskorna efter användning. Producenterna saknar övervägande incitament att byta från dagens mjölkkartonger och är tveksamma till återbrukssystemets lönsamhet. Det befaras även medföra problem med hygien och kvalitetssäkring av produkterna. Om det kan fastställas att det är miljömässigt fördelaktigt kan återbrukssystemet gynna mejeriernas försäljning, då det finns ett intresse hos konsumenterna för miljövänliga produkter. Dock konstateras glasflaskornas vikt vara en betydande faktor som påverkar både producenternas och konsumenternas intresse till systemet. Samtidigt identifieras en allmän osäkerhet hos både producenter och konsumenter om ett återbrukssystem skulle medföra miljömässiga fördelar. Det skulle därmed behövas ytterligare vetenskapliga studier för att utvärdera återbrukssystemets möjligheter till miljömässig och ekonomisk lönsamhet. / Many of the current environmental problems can be linked to our consumer society, which entails inefficient use of the earth's resources. In order to achieve climate goals and reduce anthropogenic impacts on the environment, effective measures are required, including in the production and consumption of goods and services. One measure is to introduce a system for reusable packaging. The system can help create a circular economy where resources are used in closed-loop systems, which minimises the use of natural resources. In order to create an efficient system for reusable packaging, producers and consumers have an important role as the packaging must be returned in order to be reused. Thus, there is an interest in examining producers and consumers attitudes to an introduction of a potential system for reusable packaging. Therefore, this study will evaluate the potential for reusable packaging in Sweden by conducting a case study on reusable glass milk bottles.  The purpose of the study is to evaluate whether the introduction of reusable milk packaging can be an alternative from a producer and consumer perspective. This is analysed by investigating the interest in a system for reusable packaging as well as identifying any obstacles, advantages, disadvantages and important social aspects with the system. To investigate the producers' interest, interviews with representatives from two dairies in Sweden were conducted. The consumers' interest was examined through a survey. Based on existing literature in the field, a number of themes were identified to be of importance for individuals' behaviors: values, awareness and convenience. These themes were used in the analysis of consumers' interest in reusable packaging.  The results show that there is no overall interest among producers and consumers for reusable glass milk bottles at present. Producers consider it to be a preferable packaging alternative only if it can be justified to entail environmental benefits as well as profitability for the company. The consumers' interest is motivated by social aspects such as personal interest and commitment to the environment, and their interest is limited by the extra effort required to return the bottles after use. Today, the producers consider a lack of incentives to switch from today's milk cartons, and are doubting the profitability of an investment in reusable packaging. They are also concerned that the reusable bottles would cause problems with hygiene and quality assurance of the products. Although, if it can be determined that reusable packaging is environmentally beneficial, it could benefit the dairies' sales, as there is an increasing demand among consumers for environmentally friendly products. However, the weight of the glass bottles is found to be a significant factor that affects both producers' and consumers' interest in the system. At the same time, both producers and consumers are uncertain as to whether reusable packaging would in fact entail environmental benefits. Further scientific studies would thus be needed to evaluate the recycling system's potential for environmental and economic profitability.

Titanium dioxide (TiO2) polymer nanocomposites improve barrier properties to gas and moisture and mechanical strength as well as providing active packaging functions. However, low compatibility between hydrophilic TiO2 nanoparticles and hydrophobic polymers such as polylactic acid (PLA) causes problems due to the tendency of TiO2 nanoparticles (TiO2) to agglomerate and form large clusters. A surface modification of TiO2 with long chain fatty acid may improve the compatibility between PLA and TiO2. The goal of this study was to enhance barrier properties of oxygen and water vapor, mechanical strength and add light protecting function to PLA composites by incorporation of oleic acid modified TiO2 nanoparticles (OA_TiO2). The objectives of this study were: 1) synthesize TiO2 and modify surface of TiO2 with oleic acid, 2) investigate dispersion stability of TiO2 and OA_TiO2 in hydrophobic media, 3) incorporate TiO2 and OA_TiO2 into a PLA matrix and to characterize properties of TiO2PLA (T-PLA) and OA_TiO2 PLA nanocomposite films (OT-PLA), and 4) to determine stability of green tea infusion in T-PLA and OT-PLA packaging model systems during refrigerated storage at 4 °C under florescent lightening. TiO2 was synthesized by using a sol-gel method and the surface of TiO2 was modified by oleic acid using a one-step method. T-PLA and OT-PLA were prepared by solvent casting. TiO2 and OA_TiO2 were analyzed by X-ray diffraction, Fourier transform infrared spectroscopy, thermal analysis and dynamic light scattering. The barrier properties to oxygen and water vapor, morphology, mechanical properties, thermal stability and light absorption properties of T-PLA and OT-PLA were characterized. Dispersion of TiO2 was improved in PLA matrix by the surface modification method with oleic acid. OT-PLA had more effective improvements in the barrier properties and flexibility than T-PLA and PLA, but toughness of the films based on Young's modules of OT-PLA was lower than the T-PLA and the PLA. The OT-PLA may have a potential to be used as transparent, functional and sustainable packaging films, but limited use for complete visible and UV-light protection for photosensitized foods. / Ph. D.

The optimization of pallet design in today’s competitive supply chain is imperative to reduce costs and improve sustainability. With over two billion pallets in circulation in the United States, most packaged products are handled using unit loads and the interactions between the unit load components are not being considered in the pallet design process. This study aims to investigate the effect of the interlocking of layers and the pallet stacking patterns on pallet bending. This effect is part of a greater encompassing observed behavior known as load bridging, where a redistribution of the stresses on the pallet dependent on the characteristics of the load is generated. The bending of the unit load was measured under four common support conditions, warehouse racked across the width and length, fork tine support across the width and floor stacking. Five different pallet stacking patterns were then analyzed, comparing different interlocking levels, from column stacking to fully interlocking. It was identified that interlocking the layers causes a reduction in pallet deflection of up to 53% versus column stacking, and is more significant on lower stiffness pallets. The stacking patterns and interlocking levels also presented an effect on pallet deflection, albeit only for very low stiffness pallets when supported on its weakest components. A relationship between the observed results and a ratio of load and pallet stiffness was conducted, suggesting that when the load on the pallet is not significantly high in relation to the stiffness, load bridging won’t be observed. These results provide a guideline on improving pallet design and help furthering the understanding of the load bridging effect. / Master of Science / The optimization of pallet design in today’s competitive supply chain is imperative to reduce costs and improve sustainability. With over two billion pallets in circulation in the United States, most packaged products are handled using unit loads and the interactions between the unit load components are not being considered in the pallet design process. This study aims to investigate the effect of the interlocking of layers and the pallet stacking patterns on pallet bending. This effect is part of a greater encompassing observed behavior known as load bridging, where a redistribution of the stresses on the pallet dependent on the characteristics of the load is generated. Tests were conducted to measure the pallet bending performance under common scenarios, evaluating the effect of five different pallet stacking patterns. It was identified that when the layers of a unit load are interlocked, the pallet presents lower deflection (up to 53%). A relationship between the observed results and a ratio of load and pallet stiffness was conducted, suggesting that when the load on the pallet is not significantly high in relation to the stiffness, load bridging won’t be observed. These results provide a guideline on improving pallet design and help furthering the understanding of the load bridging effect.