Polymer Processing Institute

 

 

Polymer Characterization

Complete materials characterization for injection molding and extrusion simulation for most commercial software:

  • Rheological properties using Capillary Rheometer: with or without entrance pressure correction
  • Melt Strength measurementCapillary Rheometer
  • Thermal properties, specific heat and heat of transition, by Differential Scanning Calorimeter
  • Solid & Melt density measurements at various temperatures and pressures Differential Scanning Calorimeter
  • Thermal conductivity and diffusivity of solid and melt

Rheological characterization

  • Dynamic Mechanical Spectrometer using Rheometric Scientific RMS-800Rheometrics Mechanical Spectrometer
  • Melt Elasticity evaluation using Melt Elasticity IndexerMelt Elasticity Indexer
  • Melt Index and Melt Flow Rate measurements as per ASTM D-1238

Evaluation of polymer blends (mixing and compatibility)

  • Brabender Intensive MixerBrabender Intensive Mixer
  • Optical microscopy and hot stage
  • On-line morphology monitoring
  • Scanning Electron Microscopy (Digital, Low Voltage, FEG)
  • Transitions of polymers by dynamic torsion

Evaluation of electrical properties

  • Dielectric properties
  • Surface and volume resistivity for EMI shielding

Mechanical Properties

Tensile Property Tester

  • Tensile properties as per ASTM D-638 and other temperatures
  • Flexural properties as per ASTM D-680
  • Gardner Impact as per ASTM D-3029 and D-4226
  • Izod/Charpy impact test as per ASTM D-256

 

Residual Stress Analysis:

  • Polarizing microscopePolarizing Microscope
  • Stress birefringence measurements

Thermal Properties of Polymers:

  • Heat of transitions by Differential Scanning Calorimeter DSC-7
  • Thermal stability by Thermogravimetric Analysis TGS-2

Materials and Additives Analysis:

  • Fourier Transform Infra-Red analysis
  • FTIR Spectral library
  • Energy dispersive X-Ray Spectroscopy with surface mapping

Molecular Weight and Molecular Weight Distribution:

  • High Temperature Gel Permeation Chromatography
  • Solution Viscosity

For more information, please contact
Dr. J. Herman Suwardie
(973) 242-6788
herman@polymers-ppi.org