METHOD FOR PRODUCING POLYURETHANE SOFT FOAMS WITH HIGH BULK DENSITY
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United States of America Patent
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Jan 7, 2021
app pub date -
Mar 21, 2019
filing date -
Mar 22, 2018
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Abstract
The invention relates to a method for producing polyurethane soft foams having a volumetric weight according to DIN EIN ISO 845: 2009-10 from 50.0 to 80.0 kg/m3, in particular open-cell polyurethane soft foams based on polyether polyol and toluylene diisocyanate, having a high bulk density, wherein the resulting polyurethane foams have similar properties to the already known polyurethane soft foams, these being simpler and more sustainable in terms of their production.
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