{"id":172847,"date":"2026-09-04T11:16:01","date_gmt":"2026-09-04T09:16:01","guid":{"rendered":"https:\/\/concentrol.com\/silicone-surfactants-recycled-polyol-pu-foams\/"},"modified":"2026-09-04T12:46:11","modified_gmt":"2026-09-04T10:46:11","slug":"silikontenside-recycelte-polyole","status":"publish","type":"post","link":"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/de\/silikontenside-recycelte-polyole\/","title":{"rendered":"BEWERTUNG VON SILIKONTENSIDEN F\u00dcR FLEXIBLE POLYURETHANSCH\u00c4UME MIT RECYCELTEN POLYOLEN"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_custom_heading text_size=&#8220;h4&#8243; uncode_shortcode_id=&#8220;161736&#8243;]<\/p>\n<h2>Einleitung<\/h2>\n<p>[\/vc_custom_heading][vc_column_text uncode_shortcode_id=&#8220;200542&#8243;]<\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"632\" data-end=\"1044\">Der Einsatz von <strong data-start=\"648\" data-end=\"704\">recycelten Polyolen in flexiblen Polyurethansch\u00e4umen<\/strong> stellt einen vielversprechenden Ansatz dar, um <strong data-start=\"752\" data-end=\"799\">den Verbrauch neuer Rohstoffe zu reduzieren<\/strong> und den \u00dcbergang zu st\u00e4rker kreislauforientierten Produktionsmodellen voranzutreiben. Die <strong data-start=\"890\" data-end=\"916\">chemische Variabilit\u00e4t<\/strong> dieser Materialien kann jedoch die Kompatibilit\u00e4t der Formulierung, die Schaumstabilit\u00e4t und die Endeigenschaften beeinflussen.<\/p>\n<p data-start=\"1046\" data-end=\"1378\">In dieser Studie wurden <strong data-start=\"1070\" data-end=\"1133\">vier Silikontenside (E0329_1, E0329_2, E0329_3 und E0329_4)<\/strong> untersucht, die f\u00fcr flexible Slabstock-Formulierungen mit recyceltem Polyol entwickelt wurden. Analysiert wurden <strong data-start=\"1247\" data-end=\"1377\">Kompatibilit\u00e4t, Stabilit\u00e4t, Zellregulierung, Dichte, H\u00e4rte (CLD), Luftdurchsatz und Druckverformungsrest (Compression Set, CS)<\/strong>.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading heading_semantic=&#8220;h3&#8243; text_size=&#8220;h4&#8243; uncode_shortcode_id=&#8220;129373&#8243;]<\/p>\n<h2>Zielsetzung<\/h2>\n<p>[\/vc_custom_heading][vc_column_text uncode_shortcode_id=&#8220;179418&#8243;]<\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1396\" data-end=\"1662\">Entwicklung und Auswahl eines <strong data-start=\"1426\" data-end=\"1521\">geeigneten Silikontensids f\u00fcr flexible Schaumformulierungen auf Basis von recyceltem Polyol<\/strong>, das ein ausgewogenes Verh\u00e4ltnis zwischen <strong data-start=\"1564\" data-end=\"1647\">Stabilit\u00e4t, Zellregulierung, Luftdurchl\u00e4ssigkeit und mechanischen Eigenschaften<\/strong> gew\u00e4hrleistet.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading uncode_shortcode_id=&#8220;803681&#8243;]<\/p>\n<h2>Methodik<\/h2>\n<p>[\/vc_custom_heading][vc_column_text uncode_shortcode_id=&#8220;101724&#8243;]<\/p>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"pbaazu\" data-start=\"1677\" data-end=\"1691\">Stabilit\u00e4t<\/h3>\n<p data-start=\"1693\" data-end=\"1983\">Es wurden visuelle Kompatibilit\u00e4tspr\u00fcfungen mit einer PU-Formulierung unter Verwendung von <strong data-start=\"1784\" data-end=\"1817\">jeweils einem Tensid (1 pphp)<\/strong> durchgef\u00fchrt. Bewertet wurden <strong data-start=\"1848\" data-end=\"1982\">der Ausgangszustand, der Zustand nach 24 Stunden bei Raumtemperatur sowie nach einer beschleunigten Alterung von 7 Tagen bei 50 \u00b0C<\/strong>.<\/p>\n<table style=\"height: 152px;\" width=\"582\">\n<thead>\n<tr>\n<th>Komponente<\/th>\n<th align=\"right\">Pphp<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Polyol OH=48<\/td>\n<td align=\"right\">75<\/td>\n<\/tr>\n<tr>\n<td>Recyceltes Polyol<\/td>\n<td align=\"right\">25<\/td>\n<\/tr>\n<tr>\n<td>H\u2082O<\/td>\n<td align=\"right\">5<\/td>\n<\/tr>\n<tr>\n<td>TEDA<\/td>\n<td align=\"right\">0,15<\/td>\n<\/tr>\n<tr>\n<td>DMEE<\/td>\n<td align=\"right\">0,05<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>Anschlie\u00dfend wurden <strong data-start=\"2132\" data-end=\"2160\">Free-Rise-Sch\u00e4umversuche<\/strong> mit Slabstock-Formulierungen durchgef\u00fchrt, die <strong data-start=\"2208\" data-end=\"2244\">25 % bzw. 50 % recyceltes Polyol<\/strong> enthielten. Bewertet wurden Schaumstabilit\u00e4t, Zellstruktur, H\u00e4rte (CLD), Dichte, Luftdurchsatz und Compression Set.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading uncode_shortcode_id=&#8220;208830&#8243;]<\/p>\n<h2>Ergebnisse und Diskussion<\/h2>\n<p>[\/vc_custom_heading][vc_single_image media=&#8220;172787&#8243; media_width_percent=&#8220;100&#8243; uncode_shortcode_id=&#8220;259917&#8243;][vc_column_text uncode_shortcode_id=&#8220;207658&#8243;]<\/p>\n<h6>Abbildung 1: Ausgangstest<\/h6>\n<p>[\/vc_column_text][vc_single_image media=&#8220;172793&#8243; media_width_percent=&#8220;100&#8243; uncode_shortcode_id=&#8220;995767&#8243;][vc_column_text uncode_shortcode_id=&#8220;415676&#8243;]<\/p>\n<h6>Abbildung 2: 24 h bei Raumtemperatur<\/h6>\n<p>[\/vc_column_text][vc_single_image media=&#8220;172799&#8243; media_width_percent=&#8220;100&#8243; uncode_shortcode_id=&#8220;210865&#8243;][vc_column_text uncode_shortcode_id=&#8220;101514&#8243;]<\/p>\n<h6>Abbildung 3: Alterungstest bei 50 \u00b0C<\/h6>\n<p>[\/vc_column_text][vc_column_text uncode_shortcode_id=&#8220;122284&#8243;]Die Kompatibilit\u00e4tspr\u00fcfungen zeigten <strong data-start=\"2582\" data-end=\"2632\">eine gute Anfangsstabilit\u00e4t bei allen Tensiden<\/strong>. Nach der beschleunigten Alterung zeigte die Mehrzahl <strong data-start=\"2687\" data-end=\"2718\">eine gewisse Phasentrennung<\/strong>, was darauf hinweist, dass sich anspruchsvolle Bedingungen auf die Stabilit\u00e4t des formulierten Systems auswirken k\u00f6nnen.[\/vc_column_text][vc_custom_heading uncode_shortcode_id=&#8220;168256&#8243;]<strong>Sch\u00e4ume<\/strong>[\/vc_custom_heading][vc_single_image media=&#8220;172805&#8243; media_width_percent=&#8220;100&#8243; uncode_shortcode_id=&#8220;148614&#8243;][vc_column_text uncode_shortcode_id=&#8220;117300&#8243;]Abbildung 4: Sch\u00e4ume mit 25 % recyceltem Polyol[\/vc_column_text][vc_column_text uncode_shortcode_id=&#8220;117089&#8243;]In den Formulierungen mit <strong data-start=\"2971\" data-end=\"3057\">25 % recyceltem Polyol sorgten alle Kandidaten f\u00fcr eine angemessene Stabilisierung<\/strong>. Deutliche Unterschiede wurden hinsichtlich <strong data-start=\"3102\" data-end=\"3145\">Luftdurchl\u00e4ssigkeit und Zellregulierung<\/strong> festgestellt. <strong data-start=\"3160\" data-end=\"3234\">E0329_4 zeigte die h\u00f6chste Atmungsaktivit\u00e4t und eine offenere Struktur<\/strong>, w\u00e4hrend <strong data-start=\"3244\" data-end=\"3293\">E0329_2 ein geschlosseneres Verhalten aufwies<\/strong>.[\/vc_column_text][vc_single_image media=&#8220;172811&#8243; media_width_percent=&#8220;100&#8243; uncode_shortcode_id=&#8220;823596&#8243;][vc_column_text uncode_shortcode_id=&#8220;174979&#8243;]<\/p>\n<h6>Abbildung 5: CLD-Werte in der Formulierung mit 50 % recyceltem Polyol<\/h6>\n<p>[\/vc_column_text][vc_column_text uncode_shortcode_id=&#8220;126795&#8243;]Bei <strong data-start=\"3412\" data-end=\"3483\">50 % recyceltem Polyol wurden keine Kollapserscheinungen beobachtet<\/strong>, wodurch die stabilisierende Wirkung aller Kandidaten best\u00e4tigt wurde. Die CLD-Ergebnisse zeigten unterschiedliche H\u00e4rtegrade zwischen den Tensiden. <strong data-start=\"3633\" data-end=\"3672\">E0329_1 lieferte die h\u00f6chsten Werte<\/strong>, w\u00e4hrend <strong data-start=\"3682\" data-end=\"3719\">E0329_4 weichere Sch\u00e4ume erzeugte<\/strong>. <strong data-start=\"3721\" data-end=\"3798\">E0329_3 zeichnete sich durch eine feinere und homogenere Zellstruktur aus<\/strong>.[\/vc_column_text][vc_single_image media=&#8220;172817&#8243; media_width_percent=&#8220;100&#8243; uncode_shortcode_id=&#8220;175023&#8243;][vc_column_text uncode_shortcode_id=&#8220;396155&#8243;]<\/p>\n<h6>Abbildung 6: Innere Zellstruktur, 50 % recyceltes Polyol<\/h6>\n<p>[\/vc_column_text][vc_column_text uncode_shortcode_id=&#8220;166698&#8243;]<\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"3901\" data-end=\"4272\">Ebenso zeigten E0329_2, E0329_3 und E0329_4 ein \u00e4hnliches Verhalten hinsichtlich Luftdurchsatz und offener Zellen. Die Ergebnisse des Compression Set waren f\u00fcr alle Formulierungen akzeptabel, wobei <strong data-start=\"4099\" data-end=\"4164\">E0329_1 und E0329_3 durch die niedrigsten Werte hervorstachen<\/strong>, was auf <strong data-start=\"4174\" data-end=\"4224\">eine bessere R\u00fcckstellung nach der Kompression<\/strong> hinweist.<\/p>\n<p>[\/vc_column_text][vc_single_image media=&#8220;172823&#8243; media_width_percent=&#8220;100&#8243; uncode_shortcode_id=&#8220;138456&#8243;][vc_column_text uncode_shortcode_id=&#8220;393499&#8243;]<\/p>\n<h6>Abbildung 7: Dichten und Atmungsaktivit\u00e4t, 50 % recyceltes Polyol<\/h6>\n<p>[\/vc_column_text][vc_custom_heading uncode_shortcode_id=&#8220;115600&#8243;]<strong>Schlussfolgerungen<\/strong>[\/vc_custom_heading][vc_column_text uncode_shortcode_id=&#8220;400170&#8243;]<\/p>\n<ul>\n<li data-section-id=\"wjsrdo\" data-start=\"4480\" data-end=\"4600\"><strong data-start=\"4482\" data-end=\"4559\">Alle untersuchten Tenside zeigten eine angemessene Stabilisierungswirkung<\/strong> in Formulierungen mit recyceltem Polyol.<\/li>\n<li data-section-id=\"14scd8l\" data-start=\"4602\" data-end=\"4757\">Die Kompatibilit\u00e4t war unter Standardbedingungen zufriedenstellend, obwohl <strong data-start=\"4679\" data-end=\"4756\">die beschleunigte Alterung eine gewisse Tendenz zur Phasentrennung zeigte<\/strong>.<\/li>\n<li data-section-id=\"12xg1rq\" data-start=\"4759\" data-end=\"4861\"><strong data-start=\"4761\" data-end=\"4861\">E0329_4 zeichnete sich durch seine hohe Atmungsaktivit\u00e4t und seinen offenzelligen Charakter aus.<\/strong><\/li>\n<li data-section-id=\"1k308qh\" data-start=\"4863\" data-end=\"4969\"><strong data-start=\"4865\" data-end=\"4923\">E0329_3 zeigte die feinste und homogenste Zellstruktur<\/strong> in Formulierungen mit 50 % recyceltem Polyol.<\/li>\n<li data-section-id=\"2oqjoy\" data-start=\"4971\" data-end=\"5196\" data-is-last-node=\"\">Die Ergebnisse best\u00e4tigen, dass <strong data-start=\"5005\" data-end=\"5157\">die Auswahl des Tensids ein entscheidender Faktor f\u00fcr die Optimierung der Leistung nachhaltiger flexibler Sch\u00e4ume auf Basis recycelter Rohstoffe ist<\/strong>.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_custom_heading text_size=&#8220;h4&#8243; uncode_shortcode_id=&#8220;161736&#8243;] Einleitung [\/vc_custom_heading][vc_column_text uncode_shortcode_id=&#8220;200542&#8243;] Der Einsatz von recycelten Polyolen in flexiblen Polyurethansch\u00e4umen stellt einen vielversprechenden Ansatz dar, um [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":172833,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[1022,649],"tags":[1395,1393,1394,1390,1387,1388,1386,1391,1385,1389,1392],"class_list":["post-172847","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pu-additives-de","category-research-blog-de","tag-compression-set","tag-luftdurchlaessigkeit","tag-nachhaltiges-polyurethan","tag-polyurethan-additive","tag-polyurethan-weichschaum","tag-pu-weichschaum","tag-recycelte-polyole","tag-schaumstabilitaet","tag-silikontenside","tag-slabstock-schaum","tag-zellstruktur"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Silikontenside f\u00fcr recycelte Polyole | PU-Weichschaum<\/title>\n<meta name=\"description\" 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