Modeling of a Buss-Kneader as a Polymerization Reactor for Acrylates. Part II: Methyl Methacrylate Based Resins

E.J Troelstra; L.L. van Dierendonck; L.P.B.M. Janssen; A. Renken

doi:10.1002/pen.10944

Modeling of a Buss-Kneader as a Polymerization Reactor for Acrylates. Part II: Methyl Methacrylate Based Resins

E.J Troelstra, L.L. van Dierendonck, L.P.B.M. Janssen, A. Renken

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Abstract

The Buss-Kneader has proven to be a suitable reactor for the polymerization of acrylates. In this second part, the polymerization of methyl methacrylate and the ter-polymerization of methyl methacrylate (MMA), hydroxyethyl methacrylate and n-butylmethacrylate is carried out in a pilot Buss-Kneader. The reactor had to be pressurized up to about 10 bars to avoid evaporation of MMA. Instabilities in output rate and temperature profiles were observed as a result of fluctuating die pressures. Because of good mixing there may be no diffusion limitation for radicals. As a result, even at high conversions, no gel effect was observed.

Original language	English
Pages (from-to)	240 -247
Number of pages	8
Journal	Polymer Engineering and Science
Volume	42
Issue number	1
DOIs	https://doi.org/10.1002/pen.10944
Publication status	Published - 2002

Keywords

FREE-RADICAL POLYMERIZATION
TWIN-SCREW EXTRUDER
WORKING DOMAIN
EXTRUSION

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abstract = "The Buss-Kneader has proven to be a suitable reactor for the polymerization of acrylates. In this second part, the polymerization of methyl methacrylate and the ter-polymerization of methyl methacrylate (MMA), hydroxyethyl methacrylate and n-butylmethacrylate is carried out in a pilot Buss-Kneader. The reactor had to be pressurized up to about 10 bars to avoid evaporation of MMA. Instabilities in output rate and temperature profiles were observed as a result of fluctuating die pressures. Because of good mixing there may be no diffusion limitation for radicals. As a result, even at high conversions, no gel effect was observed.",

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AU - van Dierendonck, L.L.

AU - Janssen, L.P.B.M.

AU - Renken, A.

N1 - J rticle AN 1

PY - 2002

Y1 - 2002

N2 - The Buss-Kneader has proven to be a suitable reactor for the polymerization of acrylates. In this second part, the polymerization of methyl methacrylate and the ter-polymerization of methyl methacrylate (MMA), hydroxyethyl methacrylate and n-butylmethacrylate is carried out in a pilot Buss-Kneader. The reactor had to be pressurized up to about 10 bars to avoid evaporation of MMA. Instabilities in output rate and temperature profiles were observed as a result of fluctuating die pressures. Because of good mixing there may be no diffusion limitation for radicals. As a result, even at high conversions, no gel effect was observed.

AB - The Buss-Kneader has proven to be a suitable reactor for the polymerization of acrylates. In this second part, the polymerization of methyl methacrylate and the ter-polymerization of methyl methacrylate (MMA), hydroxyethyl methacrylate and n-butylmethacrylate is carried out in a pilot Buss-Kneader. The reactor had to be pressurized up to about 10 bars to avoid evaporation of MMA. Instabilities in output rate and temperature profiles were observed as a result of fluctuating die pressures. Because of good mixing there may be no diffusion limitation for radicals. As a result, even at high conversions, no gel effect was observed.

KW - FREE-RADICAL POLYMERIZATION

KW - TWIN-SCREW EXTRUDER

KW - WORKING DOMAIN

KW - EXTRUSION

U2 - 10.1002/pen.10944

DO - 10.1002/pen.10944

M3 - Article

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SP - 240

EP - 247

JO - Polymer Engineering and Science

JF - Polymer Engineering and Science

IS - 1

ER -

Modeling of a Buss-Kneader as a Polymerization Reactor for Acrylates. Part II: Methyl Methacrylate Based Resins

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