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Aji Mathew's lab is located at the Arrhenius Laboratory in lab C270.

The lab is equipped with machinery for processing of nanofibers and cellulose nanocrystals, membrane characterization etc.

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Other research facilities at the department of Materials and Environmental Chemistry can be found at: https://www.mmk.su.se/research/research-facilities

Cellulose nanofiber and cellulose nanocrystal processing laboratory

High pressure homogeniser (APV 2000)

  • Two chambers operating at (maximum) 2000 bar pressure

  • With ATEX for handling solvents.

  • Capicity 11 l/h

  • Plunger in Ceramic, 10 mm in diameter

Ultrasound sonicator (Q2000, Qsonica)

  • 2 kW

  • With flow cell.

  • 2 kHz frequenzy.

 

Contact person: Chuantao Zhu

Rotavapor R-300 (BUCHI)

  • Rotation speed: 10-280 rpm

  • Frequency: 50/60 Hz

  • Immersion angle: 10 – 50°

  • Max. flask capacity: 3 kg

Acid hydrolysis units

  • Handles 1-2 kg material

High shear mixtures
(Ystral X50/10)

  • Mixer

Contact person: Luis Valencia

MASUKO super masscolloider
(MKZA10-15J CE)

  • MKE 11 kW motor

  • Control box for variable drive

  • Grinder diameter: 250 mm

  • Standard capacity: 80~1200Kb/Hr

  • Rotation speed: 1500rpm/1800rpm

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Contact person: Luis Valencia

High performance centrifuge (Sorvall LYNX 6000 Superspeed Centrifuge)

  • Max. Speed: 29,000 rpm 

  • Max. RCF: 100,605 x g

Processing facilities

Electrospinning/electrospraying unit (Y flow, Spain)

  • Single and co-axial spinning

  • Single and multi-het spinneret

  • Flow rate: 16 ul/h to 2400 ml

3D printer (Ultimaker 2+, USA)

  • Melt and gel printing

  • Print head travel speed: 30 to 300 mm/s

  • Print head with Swappable nozzle

Spin coater (SPIN150i)

  • Spin speed: 1-12,00 rpm (1rpm steps)

  • Max. acceleration: 30 000 rpm/sec

Binder Vacuum Oven

  • An oven for vacuum drying

Freeze drying equipment (Alpha Christ 1-2 LD Plus)

  • Ice condenser capacity: 2.5 kg

  • Ice condenser performance: 2kg/24h

  • Ice condenser temperature: -55°C

Automatic Film Applicator (Elecometer 4340 Motorised)

  • 11 pre-set transverse speeds from 0.2 to 3.9 inches per second

  • Up to 3 film applicators simultaneously

Heating Circulator with Open Bath (CORIO CD-B17)

  • Temperature range (°C): +20 to +150

  • Temperature stability (°C): ± 0.03

  • Vacuum filtration units for nanopaper processing

  • Autoclave (Parr)

  • Electronic balances

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Membrane Characterization facilities

Membrane Zeta potential cells (Zetasizer Nano ZS, Malvern)

  • Dynamic Light Scattering, Electrophoretic Light Scattering and Static Light Scattering using Debye plot

  • Measurement range for Zeta potential: 3.8nm – 100 microns (diameter)

  • Sensitivity for Zeta potential: 10mg/mL (BSA).

Convergence Inspector,  Titan

  • Range: 40 L/min or 5 L/min

Sterlitech dead end cell (Sterlitech HP4750 stirred cell, USA)

  • Max operating pressure: 1000 psi (69 bar)

  • Membrane size: 47-49 mm diameter

  • Active Membrane Area:  14.6 cm2

  • Processing volume: 300 ml

  • Hold-up volume: 1 ml

Tensile and compression tester (Instron 5966 Dual Column Tabletop Testing System)

  • 10 kN (2,250 Ibf) capacity

  • Speed range of 0.001 - 3000 mm/min (0.00004 - 120 in/min)

Rheology and  dynamic mechanical thermal analysis

  • Viscometer

  • Refractometer

  • Rheometer

  •  DMTA

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Other minor equipments

  • Densimeter

  • Refractometer

  • Karl Fischer Titrator

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Surface characterisation and Atomic force microscopy

  • Contact angle  Drop Shape Analyzer – DSA25E (KRÜSS instruments)

  • Force Tensiometer – K100 

  • Multimode 8 with Quantitative nano mechanical  mapping

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Tensile and compression tester (Instron 5966 Dual Column Tabletop Testing System)

  • 10 kN (2,250 Ibf) capacity

  • Speed range of 0.001 - 3000 mm/min (0.00004 - 120 in/min)

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Miscellaneous

  • Optical microscope
  • pH and conductivity meters
  • Bath sonifier
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