CO-PU-HCAA互穿網(wǎng)絡型聚合物的研究.pdf

1、華中師范大學碩士學位論文COPUHCAA互穿網(wǎng)絡型聚合物的研究姓名：彭翠華申請學位級別：碩士專業(yè)：有機化學指導教師：譚曉明20080501AbstractAkindofpr印01)，IIle“CO—P∽wefesyInhesizedby2，4一toluenediisocyanate(TDI)reactcd、析mc嬲toroil(CO)wi也st印ingpolyIn嘶瘟培memodin幽spap既111既menewcaStoroiIp01

2、y毗觚en叩eIl蛐g(shù)polyIIl呱刪彤weremadebyCOPUlIlixedw岫2hydroxyl3chloropropylac川ate(HCAA)，b唧eroxide(BP0)船“tiatoranddibu叫血la砒at《DBTDL)asc砌yStatroomt鋤1per砷Ire11屺e儂斌ofreacdonconditiollsonsyIlthesisofCO—PUwercstudiedbytestingⅡle能eTDIan

3、d—NCO；Ⅱlee蹶tof她syst鋤compositionon恤lnechanicalprop瞰ieSof口Nw骶studiedbyteStingterlSiles仃engm；tllestllJcturcandheatrc兩stantofIPNwercstudiedbyusing廿l鋤alaIlalysis(DSC，TG)11leresIlltSshowed：廿ler啪ailliIlg—NCOa11dTDIcontentofCoPU

4、increasedgraduallywithincre蕊ngtemperature，tlleremajning—NCoandTDIC0ntentofCOPUdecreasedwitllincreaSing吐lereatioofNCO／oH；廿ler鋤amiIlg—NCocontentofCo—PUdecreasedwitlltime；merema“ng—NCOcontefltofCO—PUdecreasedobviouslyaRerad

5、dingcataJyStDBTDLThecaStoroilpolyurethanep卻olymerCO—PUwaSmixcdwitllHCAA，andfb珊ed口Natroomt鋤perature；meteIlsiles仃踟gmofIPNwaS伊aduallyincreased誦m∞r(nóng)ingtiIneincreasein島麗tllthemaXimumabout2206MPaat8mdayThetenSiles臼『cngⅡlofCOPUI

6、PNincre弱edat1EirStand也％decreas司wi也incfeaSing也edoublebondmoler撕oofCo—PU雛dHCAA，wimmema】【imumat6：l，出ldNCO／0Hmoleratio111、iCO／nOHmCoPUwimthcmaximumat25；舭COP王／HCAAhad出emaxiIIlumt％siles極湘gthat吐lccon搬技of鋤tiatorBPOequalto05％鋤dca

7、talystD啪Lequalto02％ThespeCial曲so印tionpeal(of—NCOat2265鋤。1w觴disappearedmerC0PU／HCAAf0衄ed1’lleresllItsofTGandDSCreVealedmatIPN’sme加1a1decompositiondi譏dedimomreestages，mefirstwasdegeIlerationoftllepolyurethaJlenetvv’orkwhic

8、hloseweightw弱33。09％缸0m220℃to328℃，thesecondwaSdeg％efationof也epolyurethanene魄orkmatloseweightwas5332％而∞m328℃t0440℃，t11elastw鶴Ⅱlemeltingofmese鯽entthatlosewei出w叢869％如m440℃to500℃；，nleheatreSis￡aIlcew弱di舒；reIltaboutt11esyst鋤co

9、mpositionTheCO—PU／HCAAh叢memax△HarldtllebeStheatresistancewhennCOPU，rIHCAAw嬲6：1TheCOPU25／HCAAh笛beStheatresistaIlceThedegellerationoftllepolyuremaJlen曲ⅣorkfonIledC02，H20aIldisocyanate，alcohol，eta1111edegeIlerationoft11epol