C. Stramm

C. Stramm
Fraunhofer Institute for Process Engineering and Packaging IVV | IVV · Department of Materials Development

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14
Publications
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163
Citations
Introduction

Publications

Publications (14)
Article
Polybutene-1 (PB-1) is dispersed via extrusion in polyethylene (PE) based sealing layers to achieve ‘easy peel’ properties. PB-1 forms islands there. During opening of packagings with such sealing layers, cohesive fracture occurs within the sealed area along these PB-1 islands. The aim of this study was to find suitable methods for the identificati...
Article
Polymer materials that regulate the relative humidity in their environment are relevant for applications in the packaging and building sectors. By integration of salts in polymer structures, such materials are able to absorb and desorb high amounts of water vapor. In this study, films of polylactic acid and polypropylene with dispersed calcium chlo...
Article
Thermoplastic shape memory polyurethane (SMPU) polymers were synthesized, cast to films, and their gas barrier properties were characterized. In addition, performance of an optical method was assessed by measuring oxygen permeability (PO2) of the films. PO2 of the SMPU film was at least two times higher than that of low density polyethylene (LDPE a...
Article
The potential of biopolymers for packaging application is often limited due to their poor processability. In this study, the effect of commonly used plasticizers on the properties of different cast biopolymer films is investigated. This enables a valuation of the potential of different biopolymers as packaging materials and an estimation of the eff...
Article
Full-text available
This study investigates chemical grafting with fatty acid chlorides as a method for the surface modification of hydrophilic web materials. The resulting changes in the water repellence and barrier properties were studied. For this purpose, different grades of polyvinyl alcohol (PVOH) were coated on regenerated cellulose films ("cellophane") and pap...
Article
The incorporation of salt in a polymer matrix could potentially achieve a humidity-regulating film system of high porosity for packaging applications. In this study, sodium chloride (NaCl) powder was used as a model substance for humidity-regulating fillers in polypropylene films. A polypropylene homopolymer was extrusion-blended with NaCl at conce...
Article
Liquid food products stick to solid surfaces. This problem occurs in all supply chain steps from production to recycling. Although the basic problem has been known for a long time, the parameters influencing the interfacial adhesion have not been clarified yet. Here, two methods (product depletion test and tack test) to evaluate the adhesion of hig...
Article
http://www.ivv.fraunhofer.de/content/dam/ivv/en/documents/infoblaetter/FoodQuality/2012_Humidity_regulating_packaging.pdf
Article
Full-text available
nowadays online at https://www.iea-ebc.org/projects/project?AnnexID=39 [Simmler2005-IEA_Annex39A] Simmler, H., Brunner, S., Heinemann, U., Schwab, H., Kumaran, K., Mukhopadhyaya, P., Quenard, D., Sallee, H., Noller, K., Kücükpinar-Niarchos, E., Stramm, C., Tenpierik, M., & Cauberg, H. (2005). Vacuum Insulation Panels - Study on VIP Components an...

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