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.

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

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)

Miscellaneous

  • Optical microscope
  • pH and conductivity meters
  • Bath sonifier

Aji Mathew´s lab:

Bio-based functional materials