List of Publications:

Graaf de, R.A. Verpakkingsindustrie ziet zetmeel steeds meer zitten, gepubliceerd in Chemisch Magazine, (1995), Vol. 35.

Graaf de, R.A., Lammers, G., Janssen, L.P.B.M., and Beenackers, A.A.C.M., Quantitative Analysis of Chemically Modified Starches by H-NMR Spectroscopy, Starch/Stärcke, (1995), 469-475, Vol. 47/12.

Graaf de, R.A., Broekroelofs, G.A., Janssen, L.P.B.M., and Beenackers, A.A.C.M., The kinetics of the acetylation of gelatinised potato starch, Carbohydrate Polymers, (1995), 137-144, Vol.28,

Janssen, L.P.B.M. and R.A. de Graaf, Starch for Packaging: a Starch Styrene Copolymer, Ch 11 in: Starch 96, Eds H. van Doren and N van Swaay, Zestec/ Carbohydrate Research Foundation, The Hague (1997), 113-122

Graaf de R.A. PhD Thesis, Starch modification using twin screw extruders, RU Groningen, (1996)

Graaf de, R.A., M. Rohde and L.P.B.M. Janssen, A Novel Model Predicting the Residence Time Distribution during Reactive Extrusion, Chem. Eng. Sci., 52, (1997), 4345-4356

Graaf de, R.A., Broekroelofs, G.A., and Janssen, L.P.B.M., The acetylation of starch by reactive extrusion, Starch/Stärcke, (1998), 10-120, Vol.62.

Graaf de, R.A., Wolderingh, D. and Janssen, L.P.B.M., Material distribution in the partially filled zone of a twin screw extruder, Advances in polymer technology (1999), 295-302, Vol 18/No.2.

Graaf de, R.A.,and Janssen, L.P.B.M., Properties and manufacturing of a new starch plastic", to be published in Polymer Engineering & Science (2001), Vol 21.

Graaf de, R.A.,and Janssen, L.P.B.M., The production of a new partially biodegradable starch plastic by Reactive Extrusion, Polymer Engineering and Science (2000), 2086-2094, Vol 40/No. 9.

Karman, A.P., Graaf de, R.A.,and Janssen, L.P.B.M., Properties of Thermoplastic Starch: Influence of glycerol content and amylose/amylopectin ratio, Starch/Stärcke (2002).

Graaf de, R.A. and Janssen, L.P.B.M., The hydroxypropylation of Starch in a Self-wiping twin screw extruder, Advances in Polymer Technology, Vol. 22, No. 1, 56-68 (2003).

Pieters, R., Graaf de R.A., Janssen, L.P.B.M, The kinetics of the homogeneous benzylation of potato starch in aqueous solutions, Carbohydrate Polymers 51, (2003), 375-381

Converence proceedings

Janssen, L.P.B.M., Graaf de, R.A., and Burgt van der, M.C., Thermoplastic starches: a challenge in packaging, Converence Proceedings, Symposium on Cooking Extrusion, ZDS Solingen, 1993.

Graaf de, R.A.,and Janssen, L.P.B.M., Manufacturing of a compatiblizer for a mixture of starch and polystyrene using a counter rotating twin screw extruder, gepubliceerd in: Symposium proceedings van The Polymer Processing Society (European regional meeting), Strasbourgh (France), (1994).

Graaf de, R.A.,and Janssen, L.P.B.M., The Grafting of Polystyrene on Starch in a twin-screw extruder, Converence Proceedings, ANTEC 1994, San Fransisco, May 1-5 1994, Vol I Processing.

Graaf de, R.A., and Janssen, L.P.B.M., Manufacturing of a compatibilizer for a mixture of starch and polystyrene using a counterrotating twin screw extruder. Converence Proceedings of the polymer processing society, 1994, Strasbourgh, Université Louis Pasteur, France.

Graaf de, R.A.,and Janssen, L.P.B.M., The use of twin screw extruders as starch modification reactors, Converence Proceedings, SPE 1998, Toronto, Vol I Processing.

Graaf de , R.A. et al., A dynamic model for the venturi loop reactor, Symposium proceedings on Scientific Computing in Chemical Engineering, may 1999, Hamburg (Germany).

Graaf de , R.A. et al., Design and Scale-up of a Venturi Loop Reactor using Dynamic Simulations and Pilot plant data, 6th World congress of Chemical Engineers, sept 2001, Melbourne (Australia).

Graaf de , R.A. et al., Numerical Simulation aspects of designing reactive absorption processes., 5th Gas-liquid-solid reactor engineering, sept 2001, Melbourne (Australia).

Graaf de ,R.A. Desinging the HAST / Warmestau, Europeon Working group of dangerous reactions, Stockholm - Sweden, (2003)

Graaf de , R.A. Venting behaviour of a relieving hydrogenperoxide storage tank, DIERS meeting, St Etienne - France (2003).