CAPA聚己內(nèi)酯在特殊聚氨酯中的應(yīng)用

1、CAPA?PolycaprolactonesinSpecialityUrethaneApplicationsCAPA?聚己酯在特殊聚氨酯中的應(yīng)用DrRCWassonSolvayCaprolactonesBaronetRoadWarringtonCheshire,WA46HBUnitedKingdom.solvaycaprolactones.2.TheMonomerProcess單體合成過程】|G-CaprolactoneCHCOOOF1+H2OCvvlohexanoncVTypicalAdipatePreparation己二酸型聚酯制備過程RingOpeningPolymerisationof

2、Caprolactone己酯開環(huán)聚合過程CAPA?PolyolKeyParametersCAPA聚合物的關(guān)鍵參數(shù)特性?Functionality特性?MolecularWeight分子量?Polydispersity聚合物分散性?PUreactivityPU反應(yīng)性?AcidValue酸值?Initiator鏈引發(fā)劑?Co-Polymer共聚物特性特性特性3. Functionality?TheexactfunctionalityoftheCAPA?polyolissimpletocontrolandisdeterminedbythefunctionalityoftheinitiator在引發(fā)劑

3、（起始劑）的作用下，CAPA聚合物可以能夠精確和方便的得以控制?Difunctionalinitiatorgivesdifunctionalpolyol雙官能團引發(fā)劑生成雙官能團聚合物?Trifunctionalinitiatorgivestrifunctionalpolyolandsoon三元的生成三元聚合物等等TypicalCAPADiolStructure10. 標準的聚酯二元醇結(jié)構(gòu)式CAPA?TriolStructure標準的聚酯三元醇結(jié)構(gòu)式9. TypicalCAPATetrol標準的聚酯四元醇結(jié)構(gòu)式（季戊四醇）CAPA?Triols&Tetrols聚酯三、四元醇的性能表格(

4、1)Shearrate=500sectemperature=60°CGradeMWOH(mgKOH/g)Acid(mgKOH/g)Viscosity1)MeltingPoint(°c)CAPA3D3I3仰56()<1,0I7IQ-KX?CAPAy041400560<1.01620-10uCCAPA膂3050540310<L0157OJ0uCCAPA®3091900183<L01640-lOCCAPAUIOl1000218<1,0258111. MolecularWeight分子量?Themolecularweightofthepoly

5、oliscontrolledbytheratioofinitiatortomonomer一般通過控制單體中引發(fā)劑的比率來控制多元醇的分子量大小?Thereactionisaringopeningpolymerisation,notacondensationreaction反應(yīng)屬于開環(huán)反應(yīng)而不是縮合反應(yīng)?Currentmolecularweightrangeisfrom300-80,000andwecanmakeanymolecularweightinbetween現(xiàn)在我們能制作出的分子量從30080000,以及介于其中的各種分子量Polydispersity聚合物分散性?Thepolydisp

6、ersity,ormolecularweightdistributionofCAPA?polyolsisnarrowcomparedtoconventionalpolyesters聚合物分散性或者是CAPA分子量的分布，與通常的聚酯多元醇相比分布窄?Thisleadstolowerviscositypolyolsandhencehighersolidscontentsincoatings這樣可以獲得低粘度多元醇，在涂料制備時可以獲得高固含量?Thiscanalsohavealargeeffectinthegenerationofphysicalproperties分子量分布窄對下游產(chǎn)品物理性質(zhì)

7、有極大的改善ViscositiesofVariousPolyolsat60C60C不同的多元醇黏度對比表14001200100080060040020。06006006000100200300400500ShearRate1/s2000MwHDOAdpgte2000MwBDOAdipatesnnnMwFG小而心也nanaViscositiesofVariousPolyolsat80C12. 80C不同多元醇的黏度對比表8006004C020008006004C020008006004C02000100200300400500600ShearRate1/sViscositiesofVarious

8、Polyolsat80CShearRatevsPolyurethaneReactivity聚亞安酯反應(yīng)?Allreactioncomponentsstayintheproduct所有的反應(yīng)成分留在產(chǎn)品中?Thisincludescatalysts這里包括各種催化劑?Asthereactionconditionsaremildcatalystlevelsarenormallyverylow因為反應(yīng)條件非常溫和，剩余催化劑含量非常低?Theseresidualcatalystscanbeusedtocontrolthereactivityofthepolyolinthereactionwithis

9、ocyanates剩余的催化劑可以控制與異停酸酯的反應(yīng)RingOpeningPolymerisationofCaprolactone己酯開環(huán)聚合ExamplesofCommercialProductsAcidValuePRODUCTMOLECULARACIDREACTIVITYNAMEWEIGHTVALUECAPA®22002000<0.5fastCAPA®2220A2000<0.05fastCAPA®22012000<0.5slowCAPA2201A2000<005slow酸值?TheresidualacidvalueinCAPA?pol

10、yolsisalwaysverylow-inmostcaseslessthan0.1mgKOH/gCAPA的酸值一般都是非常低的，甚至低于0.1mgKOH/g?Specialgradesaremadewithacidvaluesoflessthan0.05mgKOH/g-effectivelyzero特殊型號的酸值可以達到低于0.05mgKOH/g甚至為零?Acidvaluehasabiginfluenceonhydrolysisresistance酸值會對耐水解性有很大影響ChangeinStressatBreak壓縮變定值變形（為NPGCapa1,4Ejl>0h睡垢口CARADEGh

11、bdCAPALjtyweAc沖2000AUdasiiuucr%SJShoreA.riintrittltawaleralSlC21.ChangeinStressatBreak壓縮變定值變形（為FTMEG20001.4BDOPwrnhrnGMte0EGPwinuTiGradeNPGPrtiffliijffi備X。ButfleneAdpeie?2M匚(aoLu0AIqcl)&cs£o¥22. ChangeinStressatBreak壓縮變定值變形（為AILclasUmKriSOShnwtA,urjKrscdinwalcjat爐AILclasUmKriSOShnwtA,u

12、rjKrscdinwalcjat爐AILclasUmKriSOShnwtA,urjKrscdinwalcjat爐PTktGaODOBCDCap*72tAEGPrenikrnGradehPGPremim6raoeCopolymers共聚物?Bothblockandrandomcopolymersarepossible結(jié)晶與無定型結(jié)構(gòu)的共聚物都是存在的?Blockcopolymersaremostcommon結(jié)晶的共聚物更為普遍PTMEG-CAPA?7201APolycarbonatepolyol-Polyethers-PolyestersCAPA多元醇的特性CAPA多元醇的特性CAPA多元醇的特

13、性與其他聚酯的比較-PolybdCAPAPolyolPropertiesComparedtootherPolyesters?Hydrolysisresistance?Tearstrength?Coldflex?Flexfatigue?LowdensityPus?Lowviscositypolyol?Consistentreactivity?Narrowmolecularweightdistribution?Lowacidvalue?Primaryhydroxylgroups耐水解性撕裂強度低溫柔軟性彎曲疲勞性低密度低黏度多元醇反應(yīng)可控，易加工分子量分布窄低酸值伯羥基基團CAPAPolyolPr

14、opertiesCAPA多元醇的特性與聚酰的比較耐化學(xué)性紫外光穩(wěn)定性耐溶齊'J（油）性剪切和撕裂強度好抗磨損性全部是伯羥基分子量分布窄可控的官能團與聚酰的比較耐化學(xué)性紫外光穩(wěn)定性耐溶齊'J（油）性剪切和撕裂強度好抗磨損性全部是伯羥基分子量分布窄可控的官能團與聚酰的比較耐化學(xué)性紫外光穩(wěn)定性耐溶齊'J（油）性剪切和撕裂強度好抗磨損性全部是伯羥基分子量分布窄可控的官能團ComparedtoPolyethers?Chemicalresistance?UVstability?Solvent/oilresistance?Cutandtearstrength?Abrasionresi

15、stance?Allprimaryhydroxylgroups?Narrowmolecularweightdistribution?ControlledfunctionalityNewDevelopments新的發(fā)展?SolvayareconstantlylookingfornewopportunitiestoexpandtheproductrangeSolvay公司仍在不斷開拓和尋找此類產(chǎn)品的新應(yīng)用領(lǐng)域?AsCAPA?chemistryissoversatileproductscanbetailoredtomakespecificfunctionality,molecularweightan

16、dreactivitycombinations此類產(chǎn)品依其特殊的性能，分子量和其優(yōu)越的性能已經(jīng)成為通用的產(chǎn)品PolyurethaneDispersions(PUD'S)聚亞安酯的色散曲面?Issues論點-VOCreductionVOC縮減量-Solventlesssystems固化系統(tǒng)-Waterbornesystems水負荷系統(tǒng)-?Components成分-Isocyanate-HardSegment異停酸鹽硬段-Chainextender-DMPA-HardSegment鏈混合劑一DMPA硬段-Polyol-CAPA?-SoftSegmentCAPA一軟段NewInitiator

17、s新的引發(fā)劑2,2dimethylolpropionicacid(DMPA)二羥甲基丙酸HOIH2ch3PreparationofCAPAHC含斐基官能團的聚合物的HCh3DimelhilolPropionicAcid(RMPAkDMPAIniualcdPuKcapixacUiiieCAPA?HCGrades含斐基官能團的聚合物?DMPAconvertedfromhighmeltingsolidtolowmeltingwax二羥甲基丙酸將高熔點的固體轉(zhuǎn)變?yōu)榈腿埸c的蠟狀物?Lowviscositysoeasytohandle低黏度易處理?Partofsoftsegment軟段部分31.NewDevelopments新的發(fā)展?Solvayarealwayslookingfornewproducts威公司一直在不斷的開發(fā)新的產(chǎn)品?Wearewillingtodiscussideaswithcustomerstodeveloptailormadeproducts.我們也非常樂意按照我們的客戶的要求來定制我們的產(chǎn)品Conclusions結(jié)束語?CAPAPolyols聚酯多元