LOW-DENSITY POLYURETHANE FOAM
The invention relates to a process for preparing a polyurethane foam having a density lower than 30 kg/m3 which process comprises reacting, in the presence of a blowing agent: a) a polyisocyanate component; b) a polyether polyol component having a molecular weight of at least 1,000 g/mol and a funct...
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| creator | PRADHAN, Pranaya Man Singh DHANAPAL, Prem Kumar |
| description | The invention relates to a process for preparing a polyurethane foam having a density lower than 30 kg/m3 which process comprises reacting, in the presence of a blowing agent: a) a polyisocyanate component; b) a polyether polyol component having a molecular weight of at least 1,000 g/mol and a functionality which is higher than 1.5 and lower than 2.5; and c) a chain extender component having a molecular weight of at most 500 g/mol and a functionality which is higher than 1.5 and lower than 2.5.
L'invention concerne un processus de préparation d'une mousse de polyuréthane ayant une densité inférieure à 30 kg/m3, ledit processus consistant à faire réagir, en présence d'un agent gonflant : a) un composant polyisocyanate ; b) un composant polyéther polyol ayant un poids moléculaire d'au moins 1 000 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5 ; et c) un composant allongeur de chaîne ayant un poids moléculaire d'au plus 500 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5. |
| format | Patent |
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L'invention concerne un processus de préparation d'une mousse de polyuréthane ayant une densité inférieure à 30 kg/m3, ledit processus consistant à faire réagir, en présence d'un agent gonflant : a) un composant polyisocyanate ; b) un composant polyéther polyol ayant un poids moléculaire d'au moins 1 000 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5 ; et c) un composant allongeur de chaîne ayant un poids moléculaire d'au plus 500 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5.</description><language>eng ; fre</language><subject>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</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231102&DB=EPODOC&CC=WO&NR=2023208659A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231102&DB=EPODOC&CC=WO&NR=2023208659A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PRADHAN, Pranaya Man Singh</creatorcontrib><creatorcontrib>DHANAPAL, Prem Kumar</creatorcontrib><title>LOW-DENSITY POLYURETHANE FOAM</title><description>The invention relates to a process for preparing a polyurethane foam having a density lower than 30 kg/m3 which process comprises reacting, in the presence of a blowing agent: a) a polyisocyanate component; b) a polyether polyol component having a molecular weight of at least 1,000 g/mol and a functionality which is higher than 1.5 and lower than 2.5; and c) a chain extender component having a molecular weight of at most 500 g/mol and a functionality which is higher than 1.5 and lower than 2.5.
L'invention concerne un processus de préparation d'une mousse de polyuréthane ayant une densité inférieure à 30 kg/m3, ledit processus consistant à faire réagir, en présence d'un agent gonflant : a) un composant polyisocyanate ; b) un composant polyéther polyol ayant un poids moléculaire d'au moins 1 000 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5 ; et c) un composant allongeur de chaîne ayant un poids moléculaire d'au plus 500 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5.</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>eNrjZJD18Q_XdXH1C_YMiVQI8PeJDA1yDfFw9HNVcPN39OVhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfHh_kYGRsZGBhZmppaOhsbEqQIAMD8iQA</recordid><startdate>20231102</startdate><enddate>20231102</enddate><creator>PRADHAN, Pranaya Man Singh</creator><creator>DHANAPAL, Prem Kumar</creator><scope>EVB</scope></search><sort><creationdate>20231102</creationdate><title>LOW-DENSITY POLYURETHANE FOAM</title><author>PRADHAN, Pranaya Man Singh ; DHANAPAL, Prem Kumar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2023208659A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</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>PRADHAN, Pranaya Man Singh</creatorcontrib><creatorcontrib>DHANAPAL, Prem Kumar</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PRADHAN, Pranaya Man Singh</au><au>DHANAPAL, Prem Kumar</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LOW-DENSITY POLYURETHANE FOAM</title><date>2023-11-02</date><risdate>2023</risdate><abstract>The invention relates to a process for preparing a polyurethane foam having a density lower than 30 kg/m3 which process comprises reacting, in the presence of a blowing agent: a) a polyisocyanate component; b) a polyether polyol component having a molecular weight of at least 1,000 g/mol and a functionality which is higher than 1.5 and lower than 2.5; and c) a chain extender component having a molecular weight of at most 500 g/mol and a functionality which is higher than 1.5 and lower than 2.5.
L'invention concerne un processus de préparation d'une mousse de polyuréthane ayant une densité inférieure à 30 kg/m3, ledit processus consistant à faire réagir, en présence d'un agent gonflant : a) un composant polyisocyanate ; b) un composant polyéther polyol ayant un poids moléculaire d'au moins 1 000 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5 ; et c) un composant allongeur de chaîne ayant un poids moléculaire d'au plus 500 g/mol et une fonctionnalité qui est supérieure à 1,5 et inférieure à 2,5.</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 | LOW-DENSITY POLYURETHANE FOAM |
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