复合材料气瓶用环氧树脂固化性能研究

2005-11-07;2005-12-26(1975),,,:029-83604042方东红,韩建平(航天科技集团第四研究院43所,陕西西安710025)!!!:,(DMA)(Tg),,2:,80∀8h95%130∀4h:;;;DSC:TQ3235;TB324!!:A!!:1002-7432(2006)02-0018-04StudyonthecuringpropertiesofresinmatrixforcompositesgascylinderFANGDong-hong,HANJian-ping(The43rdInstituteofthe4thAcademy,CASC,Xi#an710025,China)Abstract:Tomanufacturecompositesgascylinder,theresearchoncuringdegree,mechanicalpropertiesandTgoftheepoxyresinsystemwasreported.TheeffectofcuringsystemontheperformanceofresinformulawasstudiedbyIRanddynamicalmodulusanalysis,etc.Thecomparisonoftwocuringapproachwasalsodid.Thetestshowedthatthecuringtemperaturecouldbedecreasedandthecuringdegreewasmorethan95percentat80∀for8h,assameat130∀for4h,especiallyusingaddingaccelerant.Itwasprovedthattheformulationcouldbetakenasaexcellentmatrixofcompositesgascontainers.Keywords:epoxyresin;mouldingbody;curing;DSCanalysis0!!,,,[1,2],,,,,1,,,,,[3],,,DMAE-51/DDM,,1!11!原材料:;:∃18∃ThermosettingResin!212Vol21!No2!20063Mar.2006,;:12!树脂体系DSC热分析%%=110%35%05,(PE-7)DSC,80∀,1∀/min,128∀,80∀130∀,2,,,213!浇铸体试验131!浇铸体制备,,2,2FH80FH130,132!浇铸体性能测试:,GB/T25761989::GB/T25681995,GB/T25701995:5∀/min;80&104Pa;10&105Pa;10Hz14!试验仪器设备PE-7::PEKIN-ELMER2000FT-IR,INSTRON4505,2!21!树脂体系固化DSC分析结果及计算DSC11!DSC/(∀∃min-1)Tp/∀H/(J∃g-1)Ln51364-405216094101550-421323026201758-432429957!!,,,,Kissingerln(/Tp2)~1/Tp,CraneKissingerd(ln/Tp2)/d(1/Tp)=-Ea/R(1)Craned(ln)/d(1/Tp)∋-Ea/nR(2):(∀/min)Tp(K)R83144(J∃mol-1∃K-1)EaEa(kJ/mol)1ln(/Tp2)~1/Tp,k=5724,(1-1)Ea=47592kJ/molln~1/Tpk=-657,(1-2)n=0911-d/dt=k[1-]0911,,,8h22!浇铸体性能测试2,2,FH80FH1302!/%FH8060∀/2h+80∀/8h9747FH13060∀/2h+80∀/2h+130∀/4h9702/96961!FH80!!2,1~2,FH130FH80∃19∃!2:913cm-1,,,FH130FH80,2!FH130DMA,Tg,3~4DMA,3!FH80DMA4!FH130DMA,,,-,,130∀Tg(93∀)80∀Tg(86∀),DDM130∀80∀3,FH130FH80,61%,FH8052%,FH130,FH13080∀FH80,,,,,,,,1%,3!/MPa/GPa/MPa/GPa/%FH80FH13084428213527752Cv=095%Cv=40%Cv=22%Cv=37%Cv=104%828271130263611Cv=093%Cv=45%Cv=60%Cv=80%Cv=85%23!固化制度对树脂基体性能的影响DDM,89∀,E-5190∀,100∀,130∀80∀,,,,[4,5],E-51/DDM100∀,80∀8h,FH130130∀4h,,,,,,∃20∃21!295%,,2,,130∀,33~4,,,,,,,,,,,,,,1,60∀/2h+80∀/8h;,2,Tg,[6]4[5]TDE-85/DDM2,E-51/DDMTDE-85/DDM(E-51),E-51TDE-85,,4!TDE-85/DDM[5]/MPa/GPa/%/MPa75412313333!!aE-51/DDM,130∀,,b,-,80∀c,dE-51/DDM,,,:[1],.[J].,2001(1):11-12.[2],.[J]./,2001(2):42-45.[3].[J]./,2001(2):10-12.[4].[M].:,2003.[5].TDE-85/DDM[J].,2001(1):3-5.[6].[J].,2001(3):5-7.!!71WEEE()ROHS()2,6,/,,PCB(),,IPC,,!!Frost&Sullivan,2011141,2004115,,,,PerstorpPolygiene,,SARS,,,74%,(摘编自(中国化工报))∃21∃!2: