Additives For Polyurethane CASE Applications
Additives for PolyurethaneCASE Applications – EMEACATALYSTS, CURATIVES, PERFORMANCE ADDITIVES,SURFACTANTS & RELEASE AGENTS
Contents04Evonik – Your Partnerfor Polyurethane CASE Applications205High-Performance Catalysts06Thermolatent Catalysts08Mercury Alternative Catalysts09Non-Emissive Catalysts10Overview of Catalyst Solutions12Metal Catalysts13Performance Additives14Versalink Curatives3
Evonik –Your partner forpolyurethane CASEApplicationsHIGH-PERFORMANCECATALYSTs Gel catalysts for extended pot life times with short DABCO DC 1tack-free time DABCO DC 2 DABCO DC 5 LE Effective curing and hardness build-up POLYCAT SA 20 Reduces the use of toxic dibutyltin derivatives POLYCAT SA 5 Low-emissive grades availableHamburg, DEClayton, UKMilton, WI, USWittenburg, DEAllentown, PA, USWichita, KS, USNanjing, CNMilton Keynes, UKLos Angeles, CA, USHopewell, VA, USTokyo, JPEssen, DEIsehara, JPPasadena, TX, USShanghai, CNReserve, LA, USSingapore, SGPAmericana, BRCatalyst solutions from our high-perfor-It has a reactivity similar to standardfree of dibutyltin. For situations thatmance range combine the typical benefitsamine catalysts such as DABCO 33 LVrequire both 100% tin-free and lowof metal and amine-based catalysts.while also providing a more efficientemission solutions, we offer POLYCAT They allow for extended front-end delayhardness build-up. DABCO DC 2 showsSA 5 as a high-performance delayed-while preserving an efficient back-enda higher reactivity compared to DABCO action catalyst.curing profile and short tack-free times.DC 1 with shorter pot life and shorterThese catalysts help formulators toreturn-to-service times. DABCO DC 5 LEDABCO DC 1, DABCO DC 2, andavoid the separate use of toxic dibutyltinprovides a similar reaction profile asPOLYCAT SA 5 can also be used atgrades in production.DABCO DC 1 with lower emissions.lower levels as co-catalysts in existingformulations to help increase the cureProduction SiteR&D, Application Technology CenterDABCO DC 1 is a delayed-actionPOLYCAT SA 20 exhibits a similar front-speed of the system, without affectingcatalyst for use in all castable (foamedend reactivity as DABCO DC 1, whilethe front-end of the reaction, thusand compact) polyurethane systems.meeting low emission requirements and ismaintaining working life.DABCO DC 1 vs DABCO 33 LVPOLYCAT SA 20 vs KOSMOS T 12 Nreaction profile and pot life, shorteningorganic), Release Agents, Performanceis ideally suited for a wide range ofreturn to service time, improving surfaceAdditives, and Curatives.CASE (Coatings, Adhesives, Sealants,appearance and adhesion, as well asand Elastomers) applications. As thehelping to enhance the physical propertiesBuilding on our deep understanding ofleading supplier of additives to theof the final product.polyurethane chemistry and with manu-polyurethane industry, Evonik offers afacturing sites and laboratories across thewide array of advanced technologiesAs a dedicated partner to the industry,globe, we are well positioned to meetfor CASE formulations.Evonik continuously provides innovativeyour current and future developmentadditive solutions. Our extensive productneeds with tailored solutions.Our solutions enable you to optimizeportfolio includes Catalysts (amine andformulation performance by controllingmetal), Surfactants (silicone and4Hardness build-up at 25 C in standard elastomer formulation100909080707260504940595630201001880,5 pphp DABCO 33 LV10 min.20 min.Adjusted to similar pot life times0,6 pphp DABCO DC 130 min.Shore A hardness (%)Polyurethane is a versatile material thatShore A hardness (%)Hardness build-up at 70 C in standard elastomer formulation10080867060625040613830201000,011pphp KOSMOS T 12 N 0,15pphp Polycat SA 201h2hAdjusted to similar pot life times5
Thermolatent Catalysts –Polycat SA seriesThe graphic below depicts thesubtle delay. Due to its unique compo-Additionally, the POLYCAT SA seriesdelayed action performance at ambientsition, POLYCAT SA 2 LE can alsocatalysts can also be combined withconditions of POLYCAT SA 1/10,be utilized to help reduce amine emis-other catalysts in our portfolio to optimizePOLYCAT SA 2 LE, POLYCAT SA 4 andsions. POLYCAT SA 8 provides thematerial properties and curing behavior.POLYCAT SA 8. POLYCAT SA 1/10most delay as this catalyst offers theand POLYCAT SA 2 LE have a morehighest de-blocking temperature.Viscosity profiles in a standard aromatic elastomer formulationReactivity at room temperature20001800Traditional polyurethane catalystsThe natural exotherm generatedillustration below). By choosing the right1600accelerate a polyol-isocyanate reactionduring the polyurethane reaction, orcatalyst you can help to tailor a delayed1400at ambient condition. However, whenan external heat source can activatereaction to optimize the formulation.a delayed reaction is preferred, wePOLYCAT SA catalysts at differentoffer our POLYCAT SA series catalysts.temperatures (as shown in theViscostity [Pa.S]120010008006004002000100010000Time [s]DABCO 33 LVPOLYCAT SA 1/10POLYCAT SA 2 LEPOLYCAT SA 4POLYCAT SA 8 70 CPolycat SA 8Excellent front-end delay50 – 70 CPolycat SA 4Excellent back-end cureExtended pot lifeFast demould time35 – 50 CPolycat SA 1/10Excellent back-end cureExtended pot lifePolycat SA 2 LELow Emission20 – 25 CPolycat SA 5Room temperature activation6Polycat SA 20Excellent back-end cureLow Emission7
NON-EMISSIVE CATALYSTS –DABCO NE SERIESMercury AlternativeCatalystsWe provide a range of catalyts thatrequirements. In the exampleWe recommend an individual formu can work in combination to offershown here, an 80/20 ratio blend oflation dependent on the approach takenmany of the benefits associated withPOLYCAT SA 20 and POLYCAT SA 8to substitute mercury.mercury catalysts. This approachoffers excellent back-end cure and potPlease talk to us for a tailored solution –enables formulators to fine-tunelife balance similar to that offered byvisit www.evonik.com/pu-contactsthe required front-end, and back-enda mercury catalyst.to find your local Evonik representative.cure profile based on processingReactivity comparison between mercury and POLYCAT SA catalysts10 MinutesMercury Catalysts(0.8 pphp)Polycat SA 8(0.8 pphp)Polycat SA 20(0.2 pphp) 10Normalized Polarization %Shore A Hardness24 Hours721008060catalysis and DABCO NE 1070,tions – emissions matter. Evonik is thestandards, such as VDA 278.DABCO NE 1091, or DABCO NE 1550catalyst technology.20200400600800Time s (lower case)15proven to help meet strict emissionsindustry leader in non-emissive, reactive400From automotive to flooring applica-for gelling, the amine emissions dropConventional amine catalysts do notto non-detectable levels and the totalreact into the polymer matrix andemissions are dramatically reduced.Our innovative DABCO NE catalystscontribute to emissions. Instead, whenhave excellent catalytic activity and areusing DABCO NE 300 for blowingMercury Catalyst 0.80 pphpPolycat SA 8 0.80 pphpPolycat SA 20 0.20 pphpPolycat SA 8 0.80 pphp Polycat SA 20 0.20 pphp72VOC emission from HR molded foam according to VDA 278 (90 C / 0.5 hr) Polycat SA 8 :Polycat SA 20 (0.8 : 0.2 pphp) Polycat SA 8 :Front-end DelayPolycat SA 5 (0.8 : 0.2 pphp)Polycat SA 8Catalyst ratios may need to be optimizedto achieve desired curing profile and potlife for a specific formulation.Non-emissive gel catalystDABCO NE1091High efficient non-emissivegel catalyst improvinghumid aging propertiesDABCO NE1550Latest non-emissive,highly efficient, andpolycarbonate-friendly gelcatalystBack-end CureXPolycat SA 5XPolycat SA 20X900800700600[ppm]Typical combinations:1000DABCO NE10705004003002001000DABCO NE300Non-emissive blowingcatalystIndustrial standardDabco NE 1070Dabco NE 1550Dabco 33 LV andand Dabco NE 300and Dabco NE 300Dabco BL 11Others8Amine9
High Performance CatalystsG Dabco DC 2DABCO DC 5 LEG G POLYCAT SA 20G POLYCAT SA 5G Minimum CureTemperature ⁰CCalculatedOH Number(mg KOH/g)SpecificGravity(@ 25 ⁰C)Product Descriptionamine catalysts to improve back-end cure.4001.19689RTCatalyst that gives a back-end cure similar to a tin catalyst and a similar working time as an amine catalyst. 3911.25603RTCatalyst that gives a back-end cure similar to a tin catalyst and a similar working time as an amine catalyst. DABCO DC 2 is more reactive than DABCO DC 1. 43001.08138RTLow emission catalyst that gives a back-end cure similar to a tin catalyst and a similar working time as an amine catalyst. 5000 –110001.0945RTDBT-free low emission catalyst that gives a back-end cure similar to a tin catalyst and a similar working time as an amine catalyst. 601.05119RTMetal-free catalyst that provides excellent back-end cure.Temperature-activated catalysts that strongly promote the urethane reaction and enable the extension of back-end cure.POLYCAT SA 1/10G POLYCAT SA 2 LEG POLYCAT SA 4G POLYCAT SA 8G Delayed Action catalystViscosity(cPs @ 25⁰C)High performance curing catalysts that support hard segment formation. They can be used alone, or at low levels with existingDabco DC 1THERMOLATENT CATALYSTSHydrolyticStabilityLow VOCReturn toServiceLongerPot LifeGel / Blow /TrimerOverview of DABCO , KOSMOS and POLYCAT catalyst solutions 6001.06035Acid-free heat activated catalyst that provides excellent back-end cure. Can provide an extended pot life. It stays liquid at low temperature. 26001.03035Low emission heat activated catalyst that exhibits a front end delay with rapid back end-cure.Heat activated catalyst with higher de-blocking temperature and longer pot life time than POLYCAT SA 1/10. 40001.018450 95001.18258 70Catalysts that can enhance pot life time while maintaining curing property or demold time as compared to traditional TEDAHeat activated co-catalyst with an excellent front-end delay.technology.DABCO 1027G – 751.11195RTNon-acid-blocked delayed action catalyst that is useful in microcellular applications requiring stronger back-end cure.It is a controlled activity catalyst for MEG extended polyester and polyether systems.Dabco 1028G – 1251.03900RTNon-acid-blocked delayed action catalyst that is useful in microcellular applications requiring stronger back-end cure.It is a controlled-activity catalyst for 1,4-butanediol extended polyester and polyether systems.G – 1601.040RTAcid-blocked delayed action catalyst that is useful in extending pot life.DABCO 8154NON-EMISSIVE Amine CatalystsReactive amine catalysts for use in highly emission-critical applications.DABCO NE 1070G 12001.06780RTLow emission gel catalyst suitable for replacement of traditional TEDA catalysts like DABCO 33 LV or DABCO EG.DABCO NE 1091G 4250.99117RTHighly efficient low emissive gel catalyst suitable to replace traditional TEDA catalysts. Can be used to improve humid aging.DABCO NE 1550G 5790.93311RTLatest non-emissive, highly efficient, and polycarbonate-friendly gel catalyst suitable for replacement of traditional TEDA catalysts like DABCO 33 LV or DABCO EG.B 0.91276RTHighly efficient low emissive blow catalyst suitable for replacement of BDMAEE catalysts.Bismuth-based gel catalyst developed for a wide range of urethane formulations. It does not contain 2-EHA, DBT or TBT.DABCO NE 300Bismuth and Zinc CatalystsAlternatives to tin catalyst that can be used as co-catalysts with amines or as standalone alternatives to other metalsDABCO MB 20G– 50001.22177RTKOSMOS 54G 1000 –20001.01300RTTrimerization CatalystsCatalysts that promote the trimer reaction. They contribute to increased Tg, high temperature performance, improvedDABCO TMR 7TDABCO TMR 31TAmine Catalysts Zinc-based gel catalyst with good hydrolytic properties which can be combined with amine or metal catalysts.hardness and back-end cure. RTUnique highly efficient trimerization catalyst with improved back-end cure. RTCatalyst with improved back-end cure without sacrificing front-end activity.Broad range of industry standard and specialized amine catalysts. Available in a variety of carriers for different applications.POLYCAT DBUG–DABCO CRYSTALLINEG–DABCO 33 LVG–DABCO EGG–DABCO 33 SGDABCO B 16 EG–141.040RTStrong gel catalyst that provides snap cure at ambient temperature.–NA 1251.140RT100% solid triethylene diamine (TEDA). Used in the synthesis of prepolymers and curing of polyurethanes. Able to be dissolved in a wide range of carriers.1.03560RT 33% TEDA dissolved in dipropylene glycol. Used in the synthesis of prepolymers and curing of polyurethanes.601.091207RT–33% TEDA dissolved in ethylene glycol. Used in the synthesis of prepolymers and curing of polyurethanes. 1351.02830RT–33% TEDA dissolved in 1,4-butanediol. Used in the synthesis of prepolymers and curing of polyurethanes. Also available as 25% TEDA in 1,4 BDO. 500.790RTPure amine catalyst which can be used in combination with other amine and metal catalysts to improve edge curing properties.POLYCAT 77G/B 30.80RTStrong low-odor amine catalyst which is especially suitable for 2K sealing and adhesive systems.DABCO 2040G 81.5543RTDabco 2040 is a low-odor amine gel catalyst providing exceptionally long shelf-life times in 2K PU systems and can be used to replace BDMA.DABCO DMDEEB 181.050RTAmine catalyst that is isocyanate stable. It is used in one component moisture cured applications in CASE.Tin Catalysts–Tin-based catalysts that offer excellent back-end cure in CASE applicationsKOSMOS 29G –2501.290RTStannous octoate. Strong gel catalyst. Very low hydrolytic stability.KOSMOS T 12 NG –601.050RTDibutyltin dilaurate. Strong gel catalyst. Moderate hydrolytic stability.DABCO T 2064G –3121.0053RTDibutyltin-based catalyst suitable to improve ease of dosing at very low use levels.KOSMOS T 100G –25001.050RTStrongest gel catalyst particularly suitable for fast curing applications such as spray coatings and RIM. Suitable in particular for use with aliphatic isocyanates.DABCO T 120G 201.020RTStrong gel catalyst with good hydrolytic stability.DABCO T 131G 331.110RTStrong gel catalyst with good hydrolytic stability which provides a more delayed action than DBTDL.KOSMOS 16G 351.040RTDelayed-action gel catalyst with good hydrolytic stability and improved EHS profile compared to standard DBTL. Good Very Good Excellent - Not Recommend; RT Room Temperature1011
PERFORMANCE ADDITIVESAnd RELEASE AGENTSDABCO T 120KOSMOS 54KOSMOS T 100KOSMOS T 12 N(DBTDL)DABCO MB 20Catalytic Activitymer and any isocyanate bound materialtors tailor material as well as processingcombination. Whilst being designed forproperties to their specific needs. Ouroptimal processing and efficiency they areadditives enhance miscibility, promoteadapted to meet any specific need withelectrical conductivity and abrasionrespect to surface appearance and hap-resistance, support adhesion, or cantics. The products below provide a selec-also serve as degassing agents.tion, but please contact us for a specificRelease agents from the GORAPUR recommendation or for tailored products.HighEvonik provides a portfolio of metalhighest activity within this portfoliowith a more beneficial EHS profilecatalysts consisting of various tinand has a fast viscosity build-up in fastcompared to standard DBTDL.compounds, bismuth, and zinc catalysts.curing spray and RIM applications.Kosmos 54 is a unique zinc-DABCO MB 20 is a tin-fee alternativeDABCO T 131 provides longer pot lifebased catalyst providing improvedwith exceptionally low acid content.times. If tin (IV) compounds with organictack-free times.In addition to the industry standardligands are not an option due to EH&SKOSMOS T 12 N, our tin portfolioconcerns, our KOSMOS 29 can help toThe illustration above shows theincludes DABCO T 120 which providesfulfil more stringent EH&S requirements.hydrolytic stability and catalyticimproved shelf life stability in formulatedKOSMOS 16 is a delayed-action,activity of these products.systems. KOSMOS T 100 offers thehydrolytically stable tin compoundIsothermal (25 C) Viscosity Profiles in a standard aromatic elastomer formuationViscostity [Pa.S]molding process of any PU based elasto-TEGOSTAB product lines help formula-100.000Highly potent antistatic agent with no impact on physical properties.ORTEGOL ABSilicone-based abrasion reducer; easy to blend into the system.ORTEGOL NOPEmulsifier enhancing miscibility of polyester or polyether polyols withnatural oil based polyols.ORTEGOL 215Emulsifier for enhanced miscibility of 1,4-BDO in polyols.DABCO LK 221 EOrganic surfactant that serves as a good emulsifier, epsecially for 1,4-BDO inpolyol blends, and improves adhesion.TEGOSTAB B 8950General purpose silicone surfactant that serves as a good emulsifier, especially for1,4-BDO in polyol blends.TEGOSTAB B 8900Silicone-based surfactant with strong cell-opening and degassing properties.ORTEGOL IR 2Silicone-based additive reducing stickiness of soft elastomers and gels tofacilitate processing of final parts.ORTEGOL BW 1Isocyanate-stable wetting agent for binder applications.DABCO BA 306Additive to improve hydrolytic stability of PU sealants and adhesives, especiallywhen reactive catalysts are used.GORAPUR IMR 412 TInternal mold release agent to improve process stability and reduce the necessaryamount of external mold release.GORAPUR LI 0245-29 BHigh solid, solvent-based mold release agent for elastomers with a silky mattsurface finish. Ready to use or dilutable up to 1:2.GORAPUR LS 1459-19100% pure silicone based release agent concentrate for dilution with organicsolvents; for demolding parts of isocyanate bound rubber chips such as anti-slipand protective mats, sports and leisure applications.GORAPUR LS 1035-2 WWater-based, general purpose release agent for PU elastomers. Dilutable up to 1:20.GORAPUR LS 1646-119 BHighly efficient solvent-based release agent for glossy elastomers.40.00020.0000510152025Time [min]DABCO T 120KOSMOS T 12 NKOSMOS T 100*DABCO T 131DABCO MB 20KOSMOS 2930Product DescriptionORTEGOL AST 880.00060.000ElastomersLowfrom our ORTEGOL , DABCO , andSealantsKOSMOS 29range of products help to ensure a safeAdhesivesDABCO T 131Performance additives and surfactantsCoatingsKOSMOS 16LowHydrolytic StabilityHighMETAL CatalystsUse level: 0.02 pphp *0.01pphp1213
Versalink CurativesOur Versalink products are specialtycan be liquid-processed with monomericBy using our VERSALINK curativesdiamines for use as curatives and chainand polymeric MDI or TDI prepolymers asformulators can combine the materialextenders in high-performance polyureawell as other diisocyanates and diisocay-performance of polyurea with theand polyurea-hybrid applications.anate prepolymers. VERSALINK 740 Mease of use that comes with longis a non-hazardous monomeric aromaticpot-life and safe processing.VERSALINK P series oligomericdiamine for use in mixed isomer liquiddiamines are low-reactivity non-polyurethane prepolymers or as chainhazardous aromatic amines whichextender in polyol pre-blends.Benefits Excellent adhesion Hardness from 40A– 80D High temperature resistance VERSALINK 740 M is FDA approved Excellent heat aging Long pot life Excellent abrasion resistance Less sensitive to moisture than butanediol/ Excellent tear resistancepolyol systems Low linear shrinkageProcessing and Final Elastomer Properties of Liquid MDI Cured with Versalink P-series: Non-hazardous aromatic diaminesIsocyanateVersalink P 250Versalink P 650Versalink P 1000VERSALINK P 2000Liquid 4,4 - MDI(29wt% NCO)Liquid 4,4 - MDI(29wt% NCO)Liquid 4,4 - MDI(29wt% NCO)Liquid 4,4 - MDI(29wt% NCO)0.51.93.35.72122040Mix Ratio* by weight(Versalink to Isocyanate)14viscosity (cPs @ 25 ⁰C)Physical state (25 C)Amine EquivalentVersalink 740 Msolidsolid (mp 130 C)157Versalink P 250solidsolid (mp 60 C)Versalink P 6502,500Versalink P 1000VERSALINK P 2000Approximate pot life(min)Final Elastomer Physical Properties**Hardness(Shore D
POLYUREThANE CASE APPLICATIONS Polyurethane is a versatile material that is ideally suited for a wide range of CASE (Coatings, Adhesives, Sealants, and Elastomers) applications. As the leading supplier of additives to the polyurethane industry, Evonik offers a wide array of advanced technologies for CASE formulations.
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2.1 Flexible Polyurethane Foam Chemistry This section focuses on the basic chemical reactions involved in the formation of flexible polyurethane foams. Since flexible polyurethane foam production requires a variety of chemicals and additives, this section will review specific chemicals and their importance in the foaming process. 2.1.1 General Chemical Reactions Flexible polyurethane foam .
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Hotell För hotell anges de tre klasserna A/B, C och D. Det betyder att den "normala" standarden C är acceptabel men att motiven för en högre standard är starka. Ljudklass C motsvarar de tidigare normkraven för hotell, ljudklass A/B motsvarar kraven för moderna hotell med hög standard och ljudklass D kan användas vid
panied by legal questions.2 We believe that our modern high-technology era will be faced by an unusual number of such questions growing out of what we will undoubtedly term, “artificial intelligence” (“AI”), but which in fact is the combination of advanced algorithms, important pools of data, usually referred to as “big data,” and the many technol-ogies that exploit these. Some .
