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Dear all,


The spring meeting of the Discussion Group on Separation methods for Polymers (DSP) will be held on Thursday March 28, 2019 at Sysmex Ecustraat 11 in Etten-Leur. More information about parking and route description can be found at

The location is not in walking distance from the train station. A taxi service from train station will be arranged by Sysmex, more information will follow.

The preliminary program of the day can be found below.

Time is reserved in the meeting for discussing practical problems. In case you have please send me a short description three days prior to the meeting.

The sponsor of this day is Sysmex, see website

See you in Etten-Leur!


On behalf of the DSP committee,


Nico van Beelen


Program DSP meeting March 28th, 2019.


10:00 – 10:30


10:30 – 10:35

Opening Harry Philipsen Chairman DSP

Chairman: Edwin Mes

10:35 – 11:05

Dib Mekap, Dow Plastics Characterization

Overview of Separation techniques applied in industrial polyolefin characterization


Harry Philipsen, DSM Materials Science Center

Challenges and New Steps in the Chemical Microstructural Characterization of Industrial Relevant Polymers

11:35 – 12:05

Erik Gelade, DSM Materials Science Center

Study of branching by SEC

12:05 – 12:35

Wim Staal, Hoge school Arnhem en Nijmegen, The Netherlands

GPC tips and tricks

12:35 – 13:35


Chairman: Ab Buijtenhuijs

13:35 – 14:05

Stefan Cairns or Serena Agostini, Sysmex

Detection of Single Block Impurities in AB Block-Copolymers by Gel Permeation Chromatography and ultra-high-performance liquid chromatography


+ demonstration software

14:05 - 14:35

Nico van Beelen, AkzoNobel A&SC analytical services

De-formulation of polymers by breakdown techniques i.c.w. GCMS, LCMS, and NMR

14:35 – 15:05

Iro Ventouri, University of Amsterdam, The Netherlands

Asymmetrical Flow Field-Flow Fractionation for studying the aggregation of beta-D-galactosidase

15:05 – 15:35

Eric Brander, SABIC Innovative Plastics B.V

Industrial applications of Pyrolysis-Gas Chromatography/Mass Spectrometry (Py-GC/MS) for polymer characterization

15:35 – 16:05

Francis Duivenvoorde, Nouryon Deventer

Multi-detector SEC analyses of polymers – a comparison between dual-angle and multi-angle light scattering detectors.

16:05 - 16:35