POLYURETHANE FOAMS HAVING REDUCED COLD-FLOW EFFECT AND METHOD FOR PRODUCING THE SAME
The invention relates to a method for producing soft polyurethane foam obtained by reacting a composition containing a component A1 containing at least one filled polyol, a component A2 containing compounds reactive with isocyanates and having a hydroxyl value of ≥20 to
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creator | HAAS, Peter BRASSAT, Lutz SCHEDLER, Michael GOSSNER, Matthaeus MEYER-AHRENS, Sven |
description | The invention relates to a method for producing soft polyurethane foam obtained by reacting a composition containing a component A1 containing at least one filled polyol, a component A2 containing compounds reactive with isocyanates and having a hydroxyl value of ≥20 to |
format | Patent |
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The invention also relates to a soft polyurethane foam obtainable by the method.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyzEKwjAUgOEsDqLe4V2gQ4kIGWPyYoQkL6Sp4lSKpJNood4fI3gAp3_5vzXLkdytT5itDAiGpO_Ayss5nCCh7hVqUOR0YxxdAY1BlUEGDb4K0hUkiInq-BXZInTS45atpvGxlN2vGwYGs7JNmV9DWebxXp7lPWDk4iD2gh9b_sfyAbiwL4s</recordid><startdate>20230322</startdate><enddate>20230322</enddate><creator>HAAS, Peter</creator><creator>BRASSAT, Lutz</creator><creator>SCHEDLER, Michael</creator><creator>GOSSNER, Matthaeus</creator><creator>MEYER-AHRENS, Sven</creator><scope>EVB</scope></search><sort><creationdate>20230322</creationdate><title>POLYURETHANE FOAMS HAVING REDUCED COLD-FLOW EFFECT AND METHOD FOR PRODUCING THE SAME</title><author>HAAS, Peter ; BRASSAT, Lutz ; SCHEDLER, Michael ; GOSSNER, Matthaeus ; MEYER-AHRENS, Sven</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3969493B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2023</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>HAAS, Peter</creatorcontrib><creatorcontrib>BRASSAT, Lutz</creatorcontrib><creatorcontrib>SCHEDLER, Michael</creatorcontrib><creatorcontrib>GOSSNER, Matthaeus</creatorcontrib><creatorcontrib>MEYER-AHRENS, Sven</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAAS, Peter</au><au>BRASSAT, Lutz</au><au>SCHEDLER, Michael</au><au>GOSSNER, Matthaeus</au><au>MEYER-AHRENS, Sven</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POLYURETHANE FOAMS HAVING REDUCED COLD-FLOW EFFECT AND METHOD FOR PRODUCING THE SAME</title><date>2023-03-22</date><risdate>2023</risdate><abstract>The invention relates to a method for producing soft polyurethane foam obtained by reacting a composition containing a component A1 containing at least one filled polyol, a component A2 containing compounds reactive with isocyanates and having a hydroxyl value of ≥20 to <100 mg KOH/g, the component A2 not containing any filled polyol, a component A3 containing water and/or at least one physical blowing agent, a component A4 containing auxiliary agents and additives, and a component B containing di- and/or polyisocyanates, characterized in that the reaction occurs in the presence of 0.5 to 3 parts by weight of an organic urea derivative as component C, which is obtained by reacting urea with a difunctional amine having a number-average molecular weight of 200 to 1000 g/mol. The invention also relates to a soft polyurethane foam obtainable by the method.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
title | POLYURETHANE FOAMS HAVING REDUCED COLD-FLOW EFFECT AND METHOD FOR PRODUCING THE SAME |
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