{"id":6974,"date":"2024-05-27T01:11:56","date_gmt":"2024-05-27T01:11:56","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6974"},"modified":"2026-04-28T10:42:29","modified_gmt":"2026-04-28T10:42:29","slug":"what-are-the-specific-applications-of-polyurethane-catalysts-in-several-typical-polyurethane-flexible-foams","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/nl\/what-are-the-specific-applications-of-polyurethane-catalysts-in-several-typical-polyurethane-flexible-foams\/","title":{"rendered":"Wat zijn de specifieke toepassingen van polyurethaan katalysatoren in verschillende typische polyurethaan flexibele schuimen?"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> A practical additive decision starts with the exact defect: foam, poor wetting, craters, haze, or instability. The best product is usually the one that solves that defect with the safest compatibility window.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>1,Typische formule en prestaties van blok polyether type PU zacht schuim<\/p>\n<p>Polyether ternaire alcohol 100pbw<\/p>\n<p>TDI80\/20 46,0pbw<\/p>\n<p>Organische tinkatalysator 0,4pbw<\/p>\n<p>Tertiaire aminekatalysator 0,2pbw<\/p>\n<p>Organosilicium schuimstabilisator 1,0pbw<\/p>\n<p>Water 3,6pbw<\/p>\n<p>Hulpschuimmiddel 0~12pbw<\/p>\n<p>&nbsp;<\/p>\n<p>Prestaties:<\/p>\n<p>Schuimdichtheid, kg\/m3 22,4<\/p>\n<p>Treksterkte, kpa 96,3<\/p>\n<p>Rek, % 220<\/p>\n<p>Scheursterkte, N\/m 385<\/p>\n<p>Compressieset, 50% 6<\/p>\n<p>90% 6<\/p>\n<p>Spouwbelasting, kg<\/p>\n<p>(38cm\u00d735,6cm\u00d710cm)<\/p>\n<p>Vervorming 25% 13,6<\/p>\n<p>65% 25.6<\/p>\n<p>Terugspringende kogel, % 38<\/p>\n<p>&nbsp;<\/p>\n<p>In de afgelopen jaren, om te voldoen aan de behoeften van de markt, sommige bedrijven hebben de neiging om lage dichtheid (10kg\/m3) of zo schuim te produceren, in de productie van ultra-low-density zacht schuim, niet alleen de blaasmiddel en hulp blaasmiddel kan worden gedaan, maar moet ook een relatief hoge stabiliteit van siliconen oppervlakte-actieve stoffen en katalysatoren om samen te werken.<\/p>\n<p>&nbsp;<\/p>\n<p>Productie van ultra zacht schuim met lage dichtheid referentieformule:<\/p>\n<p>&nbsp;<\/p>\n<p>Naam Middelmatige dichtheid Lage dichtheid Ultra-lage dichtheid<br \/>\nDoorlopende doos doorlopende doos doos doos<br \/>\nPolyether polyol 100 100 100 100 100 100<br \/>\nWater 3,0 3,0 4,5 5,5 6,6<br \/>\nA-33 katalysator 0,2 0,2 0,2 0,2 0,25 0,18<br \/>\nSilicium surfactant B-8110 1,0 1,2 1,1 1,9 3,8<br \/>\nTinoctoaat 0,25 0,28 0,35 0,36 0,40<br \/>\nSchuimmiddel 7,5 7,5 12,5 15,0 34,0<br \/>\nTDI80\/20 41,4 44,0 56,0 73,0 103,0<br \/>\nDichtheid, kg\/m3 23,0 23,0 16,5 14,0 8,0<\/p>\n<p>Cilindrische schuimformulering:<\/p>\n<p>EO\/PO-type polyether polyol (OH:56) 100pbw<\/p>\n<p>Water 6,43pbw<\/p>\n<p>MC blaasmiddel 52,5pbw<\/p>\n<p>Silicium oppervlakteactieve stof L-628 6,50pbw<\/p>\n<p>Katalysator A230 0,44pbw<\/p>\n<p>Tinoctoaat D19 0,85pbw<\/p>\n<p>TDI80\/20 Index 0,99<\/p>\n<p>Dosering 139pbw<\/p>\n<p>Schuimdichtheid, kg\/m3 7,5<\/p>\n<p>&nbsp;<\/p>\n<p>2, vloeibaar CO2 hulpblaasmiddel om schuim met lage dichtheid te maken<\/p>\n<p>Polyether ternaire alcohol (Mn3000) 100 100<\/p>\n<p>Water 4,9 5,2<\/p>\n<p>Vloeibare CO2 2,5 3,3<\/p>\n<p>Silicium oppervlakteactieve stof L631 1,5 1,75<\/p>\n<p>B8404<\/p>\n<p>Aminekatalysator A133 0,28 0,30<\/p>\n<p>Tinoctoaat 0,14 0,17<\/p>\n<p>Vlamvertragend DE60F 0 14<\/p>\n<p>TDI80\/20 Index 110 112<\/p>\n<p>Schuimdichtheid, kg\/m3 16 16<\/p>\n<p>&nbsp;<\/p>\n<p>Typische formuleringen voor machineharen zijn als volgt:<\/p>\n<p>Polyether ternaire alcohol (Mn3000) 100pbw<\/p>\n<p>Water 4,0pbw<\/p>\n<p>LCO2 4,0~5,5pbw<\/p>\n<p>Katalysator A33 0,25pbw<\/p>\n<p>Silicium oppervlakteactieve stof SC155 1,35pbw<\/p>\n<p>Tinoctoaat D19 0,20pbw<\/p>\n<p>TDI80\/20 index 110<\/p>\n<p>Schuimdichtheid, kg\/m3 14,0~16,5<\/p>\n<p>&nbsp;<\/p>\n<p>3, Volledig MDI flexibel schuim van het lage dichtheidspolyurethaan<\/p>\n<p>Flexibel PU-schuim wordt veel gebruikt bij de productie van autostoelkussens. Het doel van de ontwikkeling is het verminderen van de dichtheid zonder de fysieke eigenschappen aan te tasten.<\/p>\n<p>Formulering:<\/p>\n<p>Zeer actieve polyether (OH:26~30mgKOH\/g) 80pbw<\/p>\n<p>Polymeerpolyol (OH:23~27mgKOH\/g) 20pbw<\/p>\n<p>Verbindende agent 0~3pbw<\/p>\n<p>Water 4,0pbw<\/p>\n<p>Aminekatalysator A-33 2,8pbw<\/p>\n<p>Oppervlakteactieve stof uit siliconenolie B8716 1,0pbw<\/p>\n<p>MDI-index 90pbw<\/p>\n<p>&nbsp;<\/p>\n<p>Prestaties:<\/p>\n<p>Schuimcenterdichtheid 34,5kg\/m3<\/p>\n<p>Hardheid ILD25% 15,0kg\/314cm2<\/p>\n<p>Scheursterkte 0,8kg\/cm<\/p>\n<p>Treksterkte 1,34kg\/cm2<\/p>\n<p>Rek 120%<\/p>\n<p>Veerkracht 62<\/p>\n<p>Permanente compressieset (droog) 5.0%<\/p>\n<p>(Nat) 13,5<\/p>\n<p>&nbsp;<\/p>\n<p>4, lage dichtheid, volledige MDI milieuvriendelijke autostoel kussens<\/p>\n<p>Goedkeuring van zuiver MDI-homoloog: M50 dat wil zeggen, 4,4'MDI 50% 2,4'MDI 50% van het product, kan schuimen bij kamertemperatuur, de vloeibaarheid verbeteren, de dichtheid van het product verminderen, het gewicht van het voertuig verminderen, is een veelbelovend product:<\/p>\n<p>Formulering:<\/p>\n<p>Zeer actief polyetherpolyol (OH:28mgKOH\/g) 95pbw<\/p>\n<p>310 additieven* 5pbw<\/p>\n<p>Dabco 33LV 0,3pbw<\/p>\n<p>Dabco 8154 0,7pbw<\/p>\n<p>Silicium oppervlakteactieve stof B4113 0,6pbw<\/p>\n<p>A-1 0,1pbw<\/p>\n<p>Water 3,5pbw<\/p>\n<p>M50 50pbw<\/p>\n<p>Isocyanaat index 88<\/p>\n<p>&nbsp;<\/p>\n<p>Fysische eigenschappen:<\/p>\n<p>Tekentijd(en) 62<\/p>\n<p>Stijgtijd 98<\/p>\n<p>Dichtheid vrije luchtbellen, kg\/m3 32,7<\/p>\n<p>Doorbuiging drukbelasting, kpa:40% 1,5<\/p>\n<p>Rek, % 180<\/p>\n<p>Scheursterkte, N\/m 220<\/p>\n<p>Opmerking: *310 additieven: we hebben verkocht, is een speciale keten groei agent.<\/p>\n<p>&nbsp;<\/p>\n<p>5, hoge veerkracht, ritcomfort PU-schuim<\/p>\n<p>Onlangs heeft de marktvraag schuim zitkussen fysieke eigenschappen ongewijzigd blijven, maar mensen zitten in de auto voor een lange tijd zonder vermoeidheid, geen bewegingsziekte hoge kwaliteit zitkussen . Na onderzoek, de interne organen van het menselijk lichaam, met name de maag en andere organen in de frequentie van ongeveer 6Hz, indien veroorzaakt door resonantie zal leiden tot regurgitatie, braken en andere verschijnselen.<\/p>\n<p>Over het algemeen is de trillingsoverdraagbaarheid van zeer veerkrachtig schuim bij 6Hz 1,1~1,3, dat wil zeggen dat wanneer het voertuig rijdt, het niet alleen niet verzwakt maar ook toeneemt, en sommige geformuleerde producten kunnen trillingsdempend zijn tot 0,8~0,9. Nu bevelen we een productformule aan, waarvan de trillingsoverdraagbaarheid bij 6Hz 0,5~0,55 niveau is.<\/p>\n<p>Formulering:<\/p>\n<p>Zeer actief polyetherpolyol (Mn6000) 100pbw<\/p>\n<p>Silicium oppervlakteactieve stof, SRX-274C 1,0pbw<\/p>\n<p>Tertiaire aminekatalysator, Minico L-1020 0,4pbw<\/p>\n<p>Tertiaire aminekatalysator, Minico TMDA 0,15pbw<\/p>\n<p>Water 3,6pbw<\/p>\n<p>Isocyanaat prepolymeer (NCO%=29,7%)<\/p>\n<p>INDEX 100<\/p>\n<p>Fysische eigenschappen:<\/p>\n<p>Totale dichtheid, kg\/m3 48,0<\/p>\n<p>25%ILD, kg\/314cm2 19,9<\/p>\n<p>Veerkracht, % 74<\/p>\n<p>50% druksterkte, (droog) 1,9<\/p>\n<p>(nat) 2,5<\/p>\n<p>6Hz trillingsoverdraagbaarheid 0,55<\/p>\n<p>&nbsp;<\/p>\n<p>6, Lage rebound of visco-elastisch schuim<\/p>\n<p>Het zogenaamde trage terugkaatsende PU-schuim verwijst naar de vervorming van het schuim door externe krachten, waarbij het schuim niet onmiddellijk terugkeert naar zijn oorspronkelijke vorm, maar langzaam herstelt en geen resterende oppervlaktevervorming van het schuim achterlaat. Het heeft uitstekende dempende, geluidsisolerende, afdichtende en andere eigenschappen. Het kan worden gebruikt in de geluidspreventie van automotoren, tapijtruggen, kinderspeelgoed en medische kussens.<\/p>\n<p>Voorbeeldformule:<\/p>\n<p>Zeer actieve polyether (OH34) 40~60pbw<\/p>\n<p>Polymeer polyether (OH28) 60~40 pbw<\/p>\n<p>Cross-bonding agent ZY-108* 80~100 pbw<\/p>\n<p>L-580 1,5 gbt<\/p>\n<p>Katalysator 1,8~2,5 pbw<\/p>\n<p>Water 1,6~2,2 lichaamsgewicht<\/p>\n<p>Isocyanaatindex** 1,05 pbw<\/p>\n<p>Opmerking: *ZY-108, verbinding van multifunctionele polyether met laag moleculair gewicht.<\/p>\n<p>**PM-200 en vloeibare MDI-100 zijn Wanhua producten.<\/p>\n<p>Fysische eigenschappen:<\/p>\n<p>Schuimdichtheid, kg\/m3 150~165<\/p>\n<p>Hardheid, Shore A 18~15<\/p>\n<p>Scheursterkte, kN\/m 0,87~0,76<\/p>\n<p>Rek, % 90~130<\/p>\n<p>Veerkracht, % 9~7<\/p>\n<p>Hersteltijd, sec 7~10<\/p>\n<p>&nbsp;<\/p>\n<p>7,Flexural moeheidsweerstand miljoen keer polyethertype zelf-gevild microcellulair schuim<\/p>\n<p>Het schuim kan worden toegepast op PU-schoenzolen en stuurwielen<\/p>\n<p>Voorbeeld:<\/p>\n<p>Daltocel\u00aeF-435 31,64 pbw<\/p>\n<p>Arcol\u00ae34-28 10,0 pbw<\/p>\n<p>Daltocel\u00aeF-481 44,72 pbw<\/p>\n<p>Arcol\u00ae2580 3.0 pbw<\/p>\n<p>Glycol 6,0 pbw<\/p>\n<p>Katalysator Dabco EG 1,8 pbw<\/p>\n<p>A-1 0,3 lichaamsgewicht<\/p>\n<p>Dabco\u00ae1027 0,3 pbw<\/p>\n<p>Silicium oppervlakteactieve stof DC-193 0,3 pbw<\/p>\n<p>L1 412T 1,5 pbw<\/p>\n<p>Water 0,44 pbw<\/p>\n<p>Gewijzigde MDI<\/p>\n<p>Suprasec\u00ae2433 71 pbw<\/p>\n<p>&nbsp;<\/p>\n<p>Fysische eigenschappen:<\/p>\n<p>Schuimdichtheid: ongeveer 0,5 g\u2215cm3<\/p>\n<p>\u03b2-riemdoorbuiging, KCS tussen 35 en 50, zeer goed<\/p>\n<p>&nbsp;<\/p>\n<p>8, vlamvertragend, lage rookontwikkeling, hoge veerkracht schuim<\/p>\n<p>Met de snelle ontwikkeling van de nationale economie hebben verschillende afdelingen steeds hogere eisen voor de vlamvertragende schuimproducten, met name de luchtvaart, auto's, hogesnelheidsbussen, huishoudelijke sofa's enzovoort, die allemaal vlamvertragende, rookarme of rookvrije schuimproducten vereisen.<\/p>\n<p>De auteurs en collega's voor de bovenstaande situatie, ontwikkelde een vlamvertragende rang (zuurstof index 28 ~ 30%), rookdichtheid is zeer laag (internationaal is 74, dit product is slechts 50 of zo), en het schuim rebound ongewijzigd, de vlam in de productie van witte rook.<\/p>\n<p>Voorbeeldformule:<\/p>\n<p>YB-3081 vlamvertragende polyether 50 pbw<\/p>\n<p>Zeer actieve polyether (OH34) 50 pbw<\/p>\n<p>Organische silicium oppervlakteactieve stof B 8681 0,8~1,0 pbw<\/p>\n<p>Water 2,4~2,6 lichaamsgewicht<\/p>\n<p>DEOA 1,5~3 pbw<\/p>\n<p>Katalysator A-1 enz. 0,6~1,1 pbw<\/p>\n<p>Isocyanaatindex 1,05<\/p>\n<p>&nbsp;<\/p>\n<p>Fysische eigenschappen:<\/p>\n<p>Schuimdichtheid,kg\/m3 \u226550<\/p>\n<p>Samendruksterkte,kPa 5,5<\/p>\n<p>Treksterkte,kPa 124<\/p>\n<p>Veerkracht, % \u226560<\/p>\n<p>Compressie vervorming, 75% \u22648<\/p>\n<p>Zuurstofindex, OI% \u2265 28<\/p>\n<p>Rookdichtheid \u226450<\/p>\n<p>&nbsp;<\/p>\n<p>9, Water als blaasmiddel, milieuvriendelijke integrale huid schuim<\/p>\n<p>Buitenlandse landen zijn volledig verboden HCFC-141b blaasmiddel, CP systeem blaasmiddel is brandbaar, HFC-245fa, HFC-365mfc systeem blaasmiddel prijs is hoog, is het moeilijk te accepteren, de enige uitweg is om milieuvriendelijke integrale huid schuim te synthetiseren met water als blaasmiddel. In het verleden, binnenlandse en buitenlandse PU-arbeiders, alleen aandacht besteden aan de polyether en isocyanaat modificatie, zodat het schuim gemaakt van de oppervlaktelaag is niet duidelijk, hoge dichtheid.<\/p>\n<p>Nu wordt een groep formuleringen aanbevolen die worden gekenmerkt door:<\/p>\n<p>Het basispolyetherpolyol blijft ongewijzigd, met de conventionele Mn5000 of 6000.<br \/>\nHet isocyanaat blijft ongewijzigd en er kan C-MDI, PAPI of gemodificeerde MDI worden gebruikt.<br \/>\nHet gebruik van speciale additieven SH-140 kan worden opgelost. -<br \/>\nBasisformule:<\/p>\n<p>Zeer actief polyether terpolyol Mn5000 65pbw<br \/>\nSH-140* 35pbw<br \/>\nKetengroeimiddel: 1,4-butaandiol 5pbw<br \/>\nVerbindingsmiddel: Glycerol 7pbw<br \/>\nPori\u00ebnopener: K-6530 0.2~0.5pbw<br \/>\nKatalysator A-2 1,2~1,3pbw<br \/>\nKleurpasta matige hoeveelheid<br \/>\nWater 5pbw<br \/>\nMR-200 45pbw<br \/>\nOpmerking: *SH-140 is ons product.<\/p>\n<p>&nbsp;<\/p>\n<p>Fysische eigenschappen:<\/p>\n<p>Totale dichtheid van schuim 340~350kg\/m3<\/p>\n<p>Product: Glad oppervlak, duidelijke korst, lage dichtheid.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How buyers usually evaluate coating and ink additives<\/h2>\n<p>Additive selection is usually most effective when the team defines the defect first and then screens compatibility, dosage range, and process stage. That is often much more reliable than choosing only by chemistry family or by a single dramatic lab result.<\/p>\n<ul>\n<li><strong>Start from the defect, not the additive name:<\/strong> wetting loss, crater, microfoam, and instability often need different solutions even inside the same formula.<\/li>\n<li><strong>Check compatibility at the intended dosage:<\/strong> the strongest additive can still be the wrong commercial choice if it narrows the process window too much.<\/li>\n<li><strong>Review the stage of use:<\/strong> some products are most useful during grind, while others matter more during let-down, filling, or final application.<\/li>\n<li><strong>Balance cure or film quality with defect control:<\/strong> the right additive fixes the problem without sacrificing adhesion, gloss, or appearance.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Useful when printing-ink and UV-ink compatibility matter in the defoaming screen.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> A stronger process-defoaming option when persistent foam survives harsher conditions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/nl\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why does an additive that looks powerful in a beaker sometimes fail in production?<\/strong><br \/>Because shear, temperature, substrate, and the full formula can all change the way the additive performs under real process conditions.<\/p>\n<p><strong>Should the most aggressive additive always be preferred?<\/strong><br \/>Not usually. The best additive is the one that solves the real defect while preserving the broadest safe operating window.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>1\u3001Typical formula and performance of block polyether type PU soft foam Polyether ternary alcohol 100pbw TDI80\/20 46.0pbw Organic tin catalyst 0.4pbw Tertiary amine catalyst 0.2pbw Organosilicon foam stabiliser 1.0pbw Water<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-6974","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the specific applications of polyurethane catalysts in several typical polyurethane flexible foams? 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