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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kuusipalo, Jurkka
Tampere University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2021Bioplastic films with unusually good oxygen barrier properties based on potato fruit-juicecitations
- 2021Influence of Pinholes on Water Vapor and Oxygen Permeation of Packaging Foil and Films
- 2020Polymer coated paper and paperboard
- 2019Continuous Processing of Nanocellulose and Polylactic Acid into Multilayer Barrier Coatingscitations
- 2016Synthesis and Characterization of Linear and Tri-Block PLLA-PEG-PLLA Blendscitations
- 2015Roll-to-roll coating by liquid flame spray nanoparticle depositioncitations
- 2014Abrasion and Compression Resistance of Liquid-Flame-Spray-Deposited Functional Nanoparticle Coatings on Paper
- 2013Compressibility of porous TiO₂ nanoparticle coating on paperboardcitations
- 2013Heat-sealable biodegradable packaging material, a method for its manufacture, and a product package made from the material
- 2013ToF-SIMS analysis of UV-switchable TiO₂-nanoparticle-coated paper surfacecitations
- 2012Heat-sealable biodegradable packaging material, a method for its manufacture, and a product package made from the material
- 2011Heat-sealable biodegradable packaging material, a method for its manufacture, and a product package made from the material
- 2009The effects of corona and flame treatment
- 2004The dependence of tear behaviour on the microstructure of biaxially drawn polyester filmcitations
Places of action
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article
Synthesis and Characterization of Linear and Tri-Block PLLA-PEG-PLLA Blends
Abstract
This study was conducted to synthesize poly(L-Lactide)–poly(ethylene glycol)–poly(L-Lactide) triblock copolymer (PEGLA) with different PLLA block length, and explore its applicability in a blend with linear PLLA (3051D NatureWorks) with the intention of improving heat-seal and adhesion properties at extrusion coating on paperboard. PLLA-PEG-PLLA was obtained by ring opening polymerization (ROP) of L-lactide using PEG (molecular weight 6000 g mol−1) as an initiator and stannous octoate as catalyst. The structures of the PEGLAs were characterized by proton nuclear magnetic resonance spectroscopy (1H-NMR). The melt flow and thermal properties of all PEGLAs and their blends were evaluated using dynamic rheology, and differential scanning calorimeter (DSC). All blends containing 10 wt% of PEGLAs displayed similar zero shear viscosities to neat PLLA, while blends containing 30 wt% of PEGLAs showed slightly higher zero shear viscosity. However, all blends displayed higher shear thinning and increased melt elasticity (based on tan delta). No major changes in thermal properties were distinguished from differential scanning calorimetric studies. High molecular weight PEGLAs could be used in extrusion coating with 3051D without problems.