CAPA聚己内酯在特殊聚氨酯中的应用

1.CAPA-PolycaprolactonesinSpecialityUrethaneApplicationsCAPA?聚己内酯在特殊聚氨酯中的应用MonomerProcess

DrRCWassonSolvayCaprolactonesBaronetRoadWarringtonCheshire,WA46HBUnitedKingdom单体合成过程CHiCOOOH+H2OPeraceticacidCytlohexanoneCaprolactone己二酸型聚酯制备过程3.TypicalAdipatePreparation

CytlohexanoneCaprolactone己二酸型聚酯制备过程3.TypicalAdipatePreparation4.RingOpeningPolymerisationofCaprolactone己内酯开环聚合过程5.CAPAPolyolKeyParametersCAPA聚合物的关键参数FunctionalityMolecularWeightPolydispersityPUreactivityAcidValueInitiatorCo-PolymerPU特性分子量聚合物分散性反应性酸值链引发剂共聚物6.Functionality特性?TheexactfunctionalityoftheCAPAdeterminedbythefunctionalityoftheinitiator?polyolissimpletocontrolandis在引发剂（起始剂）的作用下，CAPAm合物可以能够精确和方便的得以控制?Difunctionalinitiatorgivesdifunctionalpolyol双官能团引发剂生成双官能团聚合物Trifunctionalinitiatorgivestrifunctionalpolyolandsoon三元的生成三元聚合物TypicalCAPADiolStructure标准的聚酯二元醇结构式CAPATriolStructure标准的聚酯三元醇结构式TypicalCAPATetrol标准的聚酯四元醇结构式（季戊四醇）GradeMWOH(mgKOH/g)Acid(mgKOH/g)Viscosityt1)MeltingPointFC)CAPA^30313。。56(1<1.01710-1CAPA拈3041400560<1,01620-1(PC540310<LO1S70-11CCAPA"：30919001S3<1.01640-10CCAPAl:4K)llOOfi218<1,025S10,0cShearrate=500sec\temperature=60℃MolecularWeight分子量?Themolecularweightofthepolyoliscontrolledbytheratioofinitiatortomonomer一般通过控制单体中引发剂的比率来控制多元醇的分子量大小?Thereactionisaringopeningpolymerisation,notacondensationreaction反应属于开环反应而不是缩合反应?Currentmolecularweightrangeisfrom300-80,000andwecanmakeanymolecularweightinbetween现在我们能制作出的分子量从300—80000,以及介于其中的各种分子量Polydispersity聚合物分散性?Thepolydispersity,ormolecularweightdistributionofCAPA?polyolsisnarrowcomparedtoconventionalpolyesters聚合物分散性或者是CAPA分子量的分布，与通常的聚酯多元醇相比分布窄?Thisleadstolowerviscositypolyolsandhencehighersolidscontentsincoatings这样可以获得低粘度多元醇，在涂料制备时可以获得高固含量?Thiscanalsohavealargeeffectinthegenerationofphysicalproperties分子量分布窄对下游产品物理性质有极大的改善ViscositiesofVariousPolyolsat60C60C不同的多元醇黏度对比表200。MwHDOAdpat»2000MwBDOAdipateMwFGAriirataCanaViscositiesofVariousPolyolsat80C80C不同多元醇的黏度对比表

ViscositiesofVariousPolyolsat80CBOO60040020000100200300400500600ShearRateVsPolyurethaneReactivity聚亚安酯反应?Allreactioncomponentsstayintheproduct所有的反应成分留在产品中?Thisincludescatalysts这里包括各种催化剂?Asthereactionconditionsaremildcatalystlevelsarenormallyverylow因为反应条件非常温和，剩余催化剂含量非常低?Theseresidualcatalystscanbeusedtocontrolthereactivityofthepolyolinthereactionwithisocyanates剩余的催化剂可以控制与异氟酸酯的反应RingOpeningPolymerisationofCaprolactone己内酯开环聚合

MX2catalystMX2catalystPolycaprolactoneExamplesofCommercialProductsPRODUCTMOLECULARACIDREACTIVITYNAMEWEIGHTVALUECAPA®22002000<0,5fastCAPA®2220A2000<0.05fastCAPA®22012000<0.5slowCAPA.2201A2000<005slowAcidValue酸值?TheresidualacidvalueinCAPApolyolsisalwaysverylow-inmostcaseslessthanmgKOH/gCAPA勺酸值一般都是非常低的，甚至低于mgKOH/g?SpecialgradesaremadewithacidvaluesoflessthanmgKOH/g-effectivelyzero特殊型号的酸值可以达到低于mgKOH/g甚至为零?Acidvaluehasabiginfluenceonhydrolysisresistance

酸值会对耐水解性有很大影响ChangeinStressatBreak压缩变定值变形(衿^PTVEGJOCKINPGidled^PTVEGJOCKINPGidledCAPA1,4t3l>0h%a/dCARADEGhtaedCAPA—E/y+ce息。pato2000AUdaxkuucnIftJMturcA।nntrctliaualeral枇产CChangeinStressatBreak压缩变定值变形（衿AJ]4医第3gs的ShkMCA,imnwyjctjmnDAYSAT80cC^FTMLG20(W-©DOPmni.frG尉m^-LEjF^emjn3radBHsGPr<jibjnScadci■^—■Eub声neAgkp^fle2D0C(％QDLu0*3-*ChangeinStressatBreak压缩变定值变形（衿Cay0Day4匚列16—"PTWEG20OCBUOPwniLffi跑Cay0Day4匚列16—"PTWEG20OCBUOPwniLffi跑Capfa723TADEGPrenAmGradehPGPnemim6raoe再upsiLzzoaAILclashWiKry30ShnwtA,iirjKgc」inwalcj卅累RtDay8困12DAYSAT80口CDay20Copolymers共聚物?Bothblockandrandomcopolymersarepossible结晶与无定型结构的共聚物都是存在的?Blockcopolymersaremostcommon结晶的共聚物更为普遍PTMEG-CAPA7201APolycarbonatepolyol-Polyethers-Polyesters-PolybdCAPAPolyolPropertiesCAPA多元醇的特性ComparedtootherPolyesters与其他聚酯的比较Hydrolysisresistance?Tearstrength?Coldflex?Flexfatigue?LowdensityPusLowviscositypolyol?Consistentreactivity

耐水解性撕裂强度低温柔软性弯曲疲劳性低密度低黏度多元醇反应可控，易加工分子量分布窄分子量分布窄?Narrowmolecularweightdistribution低酸值低酸值LowacidvaluePrimaryhydroxylgroups伯羟基基团与聚醛的比较耐化学性紫外光稳定性与聚醛的比较耐化学性紫外光稳定性耐溶剂（油）性剪切和撕裂强度好抗磨损性全部是伯羟基分子量分布窄可控的官能团ComparedtoPolyethers?Chemicalresistance?UVstability?Solvent/oilresistance?Cutandtearstrength?Abrasionresistance?Allprimaryhydroxylgroups?Narrowmolecularweightdistribution?ControlledfunctionalityNewDevelopments新的发展?SolvayareconstantlylookingfornewopportunitiestoexpandtheproductrangeSolvay公司仍在不断开拓和寻找此类产品的新应用领域?AsCAPA?chemistryissoversatileproductscanbetailoredtomakespecificfunctionality,molecularweightandreactivitycombinations此类产品依其特殊的性能，分子量和其优越的性能已经成为通用的产品PolyurethaneDispersions(PUDS)聚亚安酯的色散曲面??Issues论点VOCreductionVOC缩减量-Solventlesssystems固化系统-Waterbornesystems水负荷系统一?Components成分-Isocyanate-HardSegment异氟酸盐硬段-Chainextender-DMPA-HardSegment链混合剂一DMPA"硬段-Polyol-CAPA?-SoftSegmentCAPA一软段NewInitiators新的引发剂2,2dimethylolpropionicacid(DMPA)二羟甲基丙酸ioPreparationofCAPAHC含竣基官能团的聚合物CH)DMPAInitiatedPt>Jycap：olact<ineCAPAHCGrades含竣基官能团的聚合物?DMPAconvertedfromhighmeltingsolidtolowmeltingwax二羟甲基丙酸将高熔点的固体转变为低熔点的蜡状物?Lowviscositysoeasytohandle低黏度易处理?Partofsoftsegment软段部分

NewDevelopments新的发展?Solvayarealwayslookingfornewproducts苏威公司一直在不断的开发新的产品madeproducts.?Wearewillingtodiscussideaswithcustomerstodeveloptailormadeproducts.我们也非常乐意按照我们的客户的要求来定制我们的产品Conclusions结束语?CAPAPolyols聚酯多元醇Specialitysoft