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Influence of the catalyst on the kinetics of a RIM formulation

Corresponding Author

J. M. Rego

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain===Search for more papers by this author

M. A. Pastor,

M. A. Pastor

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain

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J. J. Campo,

J. J. Campo

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain

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Issa Katime,

Issa Katime

Grupo de Polímeros, Departamento de Química-Física, Universidad del País Vasco, Bilbao 644, Spain

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J. M. Rego,

Corresponding Author

J. M. Rego

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain===Search for more papers by this author

M. A. Pastor,

M. A. Pastor

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain

Search for more papers by this author

J. J. Campo,

J. J. Campo

GAIKER, Technological Group of New Materials, Trapaga Elkartegia, 48510 Trapagaran, Bizkaia, Spain

Search for more papers by this author

Issa Katime,

Issa Katime

Grupo de Polímeros, Departamento de Química-Física, Universidad del País Vasco, Bilbao 644, Spain

Search for more papers by this author

First published: 20 July 1989

https://doi.org/10.1002/app.1989.070380204

Citations: 1

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Abstract

The influence of three different catalysts [triethylendiamine (TD), stannous octoate (SO), and dibutylindilaurate (DBTDL)] and their blends (TD + SO and TD + DBTDL) on the kinetics of a RIM formulation, based on a high functionality polyether–polyol and a polymeric MDI, has been studied using the adiabatic temperature rise method and Fourier transform infrared spectroscopy. The synergism observed in the DBTDL/TD systems is explained by means of complex formation between the amine-based and metal-based catalysts. Infrared spectroscopy data support this complex formation. The SO/TD systems do not exhibit synergetic behaviour, being the reaction rate controlled by the metal catalyst which complexes the isocyanate group.

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Volume38, Issue2

20 July 1989

Pages 237-248

Influence of the catalyst on the kinetics of a RIM formulation

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Influence of the catalyst on the kinetics of a RIM formulation

Abstract

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