PRODUCTION OF POROUS POLYURETHANE LAYERS
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United States of America Patent
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Feb 12, 2016
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Mar 3, 2015
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Abstract
The use of particular silicon-containing compounds in the production of porous polyurethane layers for improving the flow properties of the reaction mixture which is reacting to form the polyurethane layer and/or for optimizing the cells of the resulting polyurethane layer, preferably for homogenizing the cell structure over the entire resulting polyurethane layer, especially in the context of artificial leather or foam film production, is described. The silicon-containing compounds have the following formula:
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