Technology Forum_News_Shandong Lingshi New Material Co., Ltd.

02-11 

In which products are dibutyltin dilaurate used?

DibutyltindilaurateforshortDBTDLProductintroduction:二DibutyltindilauratecatalystisabbreviatedasDBTDL.Itisahigh-boilingmultipurposeorganotincatalystwithspecialliquefactiontreatment.Itisalightyelloworcolorlessoilyliquidthatformswhitecrystalsatlowtemperature.Itissolubleinbenzene,toluene,ethanol,acetone,ethylacetate,chloroform,carbontetrachloride,benzene,ethanol,petroleumetherandothercommonsolventsandvariousindustrialplasticizers.Itisinsolubleinwaterandisavarietyofchemicalreactions.Asanimportantpartofthecatalyticsystem.Itisnotonlyusedasanefficientcatalystinthemanufactureofwoodlacquers,PUcoatings,metallicinks,adhesivesandsealants,butalsocanbeusedasacatalystforsiliconerubber,thecross-linkingreactionofacrylicrubberandcarboxylrubber,andthesynthesisofpolyurethanefoam.CatalystandefficientlubricationandstabilityinPVCplasticproducts.Agoodcatalyticeffectcanbeobtainedwhenthedosageis0.01-2%,andtheusabletemperaturerangeis80-240°C. Themainpurpose:★Dryingagentforcoatingandinkindustry.Ithasexcellentdryingpropertiesforbimolecularpolyurethane,polyester,nitropaint,coatingcuringagent,inkandothercoatingsandmoisture-curingcoatings.Itcanaccelerateinpolyurethanehigh-gradefurniturepaint.ThecuringofPUpromotestherapiddryingofthepaintfilmtoobtainasmooth,smoothandexcellentpaintfilm.InPUcoating,itsoxidationstabilityisgood.★StabilizersandlubricantsforPVCproductsPVCsofttransparentproductsorsemi-softproducts,combinedwithbariumstearate,cadmiumstearateandothermetalsoapsorepoxycompoundshavegoodlubricity,transparency,weatherresistance,Compatibilitywithplasticizers,noblooming,nosulfurpollution,noadverseeffectsonheatsealabilityandprintability.Suchas:softfilm,softfilm,plasticshoes,hosesandPVCconveyorbelts.Inparticular,itcanbeusedasacatalystforpolyurethanefoamedproducts.InPVCrigidproducts,thisproductcanbeusedtogetherwithorganictinmaleateormercaptanorganictintoimprovethefluidityofresinmaterials.★Usedasacatalystandfoamingactivatorinpolyurethanefoam,PVCfoam,andsiliconerubbersyntheticmaterials.★Usedassynthesiscatalystinvariousadhesives.

02-10 

Polyurethane catalyst solutions in multiple fields

T-12(dibutyltindilaurate)producedbyLeaderNewMaterialsisanorganictincompoundwithahighboilingpoint.Itisusedasanefficientcatalystinthemanufactureofpolyurethanecoatings,electroplatingcoatings,spraycoatings,polyurethanefoams,coatings,adhesivesandsealants.Siliconerubbermoldproducts,softPVCplasticproducts,suchasfilms,semi-rigidsheets,transparenthoses,etc.usedtomakeheatstabilizers.T-12issolubleinallplasticizers,benzene,toluene,acetoneandotherorganicsolvents.Itisinsolubleinwaterandisapowerfulcatalyst. Inaddition,T-12catalystproducedbyLeadingNewMaterialsisofgreatuseintheproductionofrigidfoampolyurethane.Inapplicationswheretheaminocatalystaloneisusedandexhibitsinsufficientcatalyticeffect,organometallicssuchastheT-12catalystcanproduceasynergisticeffectwithincreasedactivityoftheaminocatalyst.Therefore,itissuitableforrigidfoammanufacturingthatrequireshigh-speedcatalysis.Evenhigh-densitystructuralfoam,sprayedwallinsulationglueandrigidplatesaremanufacturedinhigh-speedproductionlines.T-12hasafastandefficientdryingreactioninthetimeofrapidgeldetackification.T-12canbeusedinone-componentmoisture-curingpolyurethanecoatings,two-componentcoatings,adhesivesandsealants. Polyuricdrierisusedinpolyurethanerigidfoam,semi-rigidfoam,softfoam,highreboundfoam,elastomer,sealantandotherindustries.Thecatalystscommonlyusedinthesynthesisofpolyurethanesandtheirrawmaterialsaremainlytertiaryaminecatalystsandorganometalliccompounds.

02-09 

Material properties of polyurethane rigid foam

Polyurethanerigidfoam(SPF)isakindofpolymersyntheticmaterialwithcountlesstinyclosedcellstructure.Itisanewtypeofmaterialthatintegrateswaterproof,thermalinsulation.Undertheactionofvariousadditivessuchasmodifiers,foamingagents,catalysts,flameretardants,foamstabilizers,andanti-agingagents,theyareuniformlymixedbyspecialequipment,thermalreactionsoccurinacertainstate,andinstantatomization.Producesarigidfoamcompoundwithaclosedporosityofnotlessthan95%,whichhasidealimpermeabilityandgoodwatervaporpermeabilityresistance.Itiswidelyusedintheroofingoflargebuildingssuchashigh-risehouses,hotels,coldstorage,warehousesandsoon.Itsmainfeaturesareshownbelow.1.1ReliablewaterprooffunctionPolyurethanerigidfoamhasacontinuousanddenseskinandahigh-strengthhoneycombstructurewithinterconnectedwallsofmorethan95%.Ithasidealimpermeabilityandgoodwatervaporpermeabilityresistance,andthewaterabsorptionrateis≤1%.Usingon-sitedirectsprayingtechnology,acompletecontinuousimperviouslayercanbeformedontheroofofthebuilding,whichfundamentallyeliminatesthepossibilityofwaterinfiltrationalongthegap.Inaddition,itisfirmlybondedtothebaselayer,anditsbondingstrengthcanexceedthetearstrengthofthefoamitself,andwillnotbedetachedfromthebaselayer,avoidingwaterleakagealongthelayer.1.2HighthermalinsulationandenergysavingefficiencyPolyurethanerigidfoamisadense,closed,non-connectedpore.Therigidfoammicroporesareclosedwithafoamingagentgaswithextremelylowthermalconductivity,whichhasalmostnoeffectofconvection,sothethermalconductivityislessthan0.022W/(m•k),farlowerthantraditionalthermalinsulationmaterials,withgoodthermalinsulationperformanceandobviousenergysavingeffect.1.3StrongbondingperformanceThismaterialhasexcellentbondingperformance.Ithasstrongbondingstrengthtoconcrete,metal,masonry,wood,glass,fiberandothersubstrates.Thebondingstrengthshouldbe≥100kPa.Thebondstrengthofstonecanbeashighas240kPa,andithasstrongwindresistanceasawaterproofandthermalinsulationlayerontheroof.1.4StrongchemicalresistancePolyurethanerigidfoamhasgoodchemicalstabilityundertheenvironmentofbenzene,gasolineandothergeneralsolventsanddiluteconcentrationsofacids,alkalis,saltsolutions,etc.,andwillnotcausemildewanddecay.1.5Strengthdependsonitsrawmaterials,formula,density,structureandmoldingprocess.Whenotherfactorsarerelativelyconstant,densitydeterminesstrength.WhenSPFrigidfoamdensityis>55㎏/m3,itscompressivestrengthcanbe≥300kPa.Thetensilestrengthcanbe≥500kPaandhasgoodimpactresistance.1.6High-qualityenvironmentalprotectionproductSPFfoamhasnovolatilizationofharmfulsubstancesduringuse,doesnotposepollutiontothesurroundingenvironment,hasstablechemicalproperties,hasgoodcorrosionresistance,doesnotdecomposeanddoesnotmold.1.7GoodtemperatureresistanceandfireresistanceSPFfoamhasavolumeshrinkageoflessthan1%atalowtemperatureof-50°C,anditwillnotbecomebrittleandcrack.At120°C,thereisnosignificantchangeinvolumeandstrength;Athighertemperaturesof150°C,thepolymerdoesnotdegrade,soitcanbeusedathightemperatures.ItdoesnotmeltanddripliketheEPSorXPSmaterials,andduringthecombustionprocess,therigidfoampolyurethanematerialwillformacokingprotectivelayertoinhibitthespreadofcombustion.1.8HighelongationatbreakAfterthespray-treatedpolyurethanerigidfoamhasbeenmodified,theelongationisashighas13%ormore,whichsuccessfullyovercomesthebreakageofthewaterproofinsulationlayercausedbyunevensettlementofthefoundationandchangesinenvironmentaltemperature.1.9Easyconstruction,shortconstructionperiodSPFfoamwaterproofinsulationlayercanbesprayedon-site,easytooperate,one-timemolding,fastconstruction;materialcuringspeedisfast,20minutesaftersprayingcanbeused,simplifyingtheoverallconstructionprocessandshorteningtheconstructionperiod.

02-08 

Difference between T9 stannous octoate and T12 dibutyltin dilaurate

Usedasacatalystforpolyurethanesynthesisandroomtemperaturevulcanizedsiliconerubber.Itisalsousedasacatalystcuringagentforepoxyresins.Duringcuring,stannousoctoateismoreactivethandibutyltindilaurate.Ifthetwoareusedincombination,theeffectisbetterthanusingthemalone,andthereactionspeedandcuringspeedcanbetakenintoconsideration.Becausedivalenttincompoundsareeasilyoxidizedanddecomposedbyoxygenandwatervaporintheair,theymustbesealedfornitrogenprotectionduringstorage,andmustbesealedtoavoidhightemperatureandexcessivehumiditytopreventtheactivityfromdecreasingorfailing. T9stannousoctoateUse:Thestannousoctoatecatalystisanimportantcatalystintheproductionofpolyurethanefoam,especiallypolyurethanesoftfoam. 9T9stannousoctoate,T12dibutyltindilaurate