The effect of high intensity ultrasound on the synthesis of some polyurethanes

Gareth J. Price; Emma J. Lenz; Christopher W. G. Ansell

doi:10.1016/S0014-3057(02)00039-3

The effect of high intensity ultrasound on the synthesis of some polyurethanes

Gareth J. Price, Emma J. Lenz, Christopher W. G. Ansell

Department of Chemistry

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Abstract

High intensity ultrasound has been applied to the preparation of polyurethanes from a number of diisocyanates and diols. In all cases, the sonochemical reactions proceeded faster in the early stages and led to higher molecular weight polymers. The effect of changing the ultrasound intensity is discussed and some speculation as to the mechanism of the reaction enhancement is given. © 2002 Elsevier Science Ltd. All rights reserved.

Original language	English
Pages (from-to)	1531-1536
Number of pages	6
Journal	European Polymer Journal
Volume	38
Issue number	8
DOIs	https://doi.org/10.1016/S0014-3057(02)00039-3
Publication status	Published - Aug 2002

Keywords

Synthesis (chemical)
Infrared spectroscopy
Polymerization
Cavitation
Molecular weight
Ultrasonic effects
Sonochemistry
Diffusion
Mass transfer
Polyurethanes

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10.1016/S0014-3057(02)00039-3

Polyurethanes revised
NOTICE: this is the author’s version of a work that was accepted for publication in European Polymer Journal. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in European Polymer Journal, vol 38, issue 8, 2002, DOI 10.1016/S0014-3057(02)00039-3
Submitted manuscript, 433 KBLicence: Unspecified

Cite this

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AU - Lenz, Emma J.

AU - Ansell, Christopher W. G.

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KW - Synthesis (chemical)

KW - Infrared spectroscopy

KW - Polymerization

KW - Cavitation

KW - Molecular weight

KW - Ultrasonic effects

KW - Sonochemistry

KW - Diffusion

KW - Mass transfer

KW - Polyurethanes

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JO - European Polymer Journal

JF - European Polymer Journal

SN - 0014-3057

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ER -

The effect of high intensity ultrasound on the synthesis of some polyurethanes

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