Polymer and Composites Engineering (PaCE) group

Transcription

1 Faculty of Chemistry Institute of Materials Chemistry & Research Polymer and Composites Engineering (PaCE) group Prof. Alexander Bismarck

2 Nanocellulose Water Treatment Membranes Dr Andreas Mautner 6 kda 2.4 nm hydrodynamic radius Mautner et al., Chem. Commun., 2014, React. Funct. Polym., 2015, Environmental Science: Water Research & Technology 2016, Carbohydrate Polymers 2016, International Journal of Environmental Science and Technology, 2016, J. Membrane Science 2018 (subm.)

3 Materials based on TEMPO-CNF Florian Mayer

4 MUSHROOM PAPERS FOR WATER TREATMENT Jan Janesh CHITIN-GLUCAN CHITOSAN-GLUCAN NANOPAPER EXTRACTION conc. NaOH PRESSING VIRUS FILTRATION ADSORPTION OF HM IONS REJECTION OF 10 nm Au NP ADSORBED COPPER

5 Chitinous composite materials derived from mycelial biomass Mitchell Jones

6 NFC-Papers from Elephantidae Manure NaOH Kathrin Weiland NaOCl Grinder Modulus: ~ 12 GPa Tensile strength: ~ 200 MPa

7 Hierarchical Natural Fibre composites and paper-based composites Hierarchical composites Nonwovens nanocellulose entraps the natural fibres. Thermoplastic composites nanocellulose entraps the natural fibres + polymer fibres Thermoset composites thermoset resin is infused on a nonwoven Continuous phase Tensile strength / MPa BC/ wt.% Tensile modulus / GPa Paper-based biobased composites: packaging solutions Nanocellulose/pulp Starch PLA Chitin Crosslinkers OTR [cm 3 (m 2 24h atm) -1 ] NFC [wt.%] Tensile stress [MPa] Tensile strain [mm/mm] wet dry Dr. Marta Fortea-Verdejo marta.forteaverdejo@univie.ac.at

8 Hierarchical Composites Manufactured using Solid Epoxy Resins Liquid epoxy resin Solid epoxy resin Neptun Yousefi

9 E M U L S I O N T E M P L AT I N G EPOXY Foams Patrick Steindl BSC MSC patrick.steindl@univie.ac.at C O N T R O L L I N G open-porous Pore structure Porosity Mechanical Properties Permeability closed-cell all base materials are SOLID C Δ Δ 2.5 wt.% CNT 150 C, 30min vacuum

10 Air templated macroporous polymers Air templating technique: Mohammad Jalalian Liquid monomer & crosslinker, surfactant Mechanical frothing Liquid froth Thermo polymerisation Porous polymer Scaling up The aim of this project is to create of gas-liquid monomer foams by using of mechanical frothing technique which can subsequently be polymerized to produce macroporous polymers. Macroporous polymers: a. Epoxy, b. Phenolic, c. Lignin Carbonization of lignin foam a b c

11 Macroporous high performance polymers High performance polymers Service temperature > +150 C High chemical resistance PEEK, PPS, PEI, TPI Dmitrii Rusakov dmitrii.rusakov@univie.ac.at Thermally induced phase separation Different cooling rate different morphology Homogeneous structure % porosity

12 Emulsification through PolyHIPE as micromixer Emulsion via overhead stirrer Continuous phase Preparation of micromixer Internal phase Printing and polymerisation Hande Barkan Ozturk

13 Formulation, Process and Applications of Functional Macroporous Polymers Micropatterned, macroporous springs for energy harvesters Dr Qixiang Jiang Tel: Printing liquid formulation to create porous elastomer with desired patterns Air templated macroporous polymers Scalable air templated thermoset polymer foams Integrated as microsprings elements in capacitive energy harvesters Current / na Control Harvester with polyhipe (330 m) Harvester with polyhipe (190 m) Time / min Enhanced energy output, durable performance In-situ application, thermal insulation, fire resistance. Other research activities: Liquid formulation for foam cores for sandwich composites 3D printing composites

14 In situ Electrolyte filled polyhipes Werner Paschinger Lead Acid Batteries NiMH-Batteries Li-Ion Batteries Electrolyte Monomers Emulsion Templating One Pot Synthesis Direct Printing onto Electrode In situ Electrolyte filled Separator

15 Novel Electrodes for Structural Batteries Suzanne Alvim

16 Vienna Experiment for Drag Reducing Agents Emina Muratspahic Hans Werner Müller M hans.werner.mueller@univie.ac.at Turbulence reduction with polymeric drag reducing agents

17 Thank you!