20 犆犺犻狀犲狊犲犑狅狌狉狀犪犾狅犳犈狓狆犾狅狊犻狏犲狊牔犘狉狅狆犲犾犪狀狋狊 HTPB PBX "< ( KLM,MNO,>, ( 0 J 4 ), ) : 1 / HTPB$ PBX ;? Y,> <' +, [/ Y? K 4567,,PBX Y

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袋蹄文
7 years ago
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1 20 犆犺犻狀犲狊犲犑狅狌狉狀犪犾狅犳犈狓狆犾狅狊犻狏犲狊牔犘狉狅狆犲犾犪狀狋狊 HTPB PBX "< ( KLM,MNO,>, ( 0 J 4 ), ) : 1 / HTPB$ PBX ;? Y,> S?@ <' +, [/ Y? K 4567,,PBX Y ] <? &? 9 $_ 70 90d>, Y 2 ;HTPB b ;? > Y?*H K!:J ;HTPB;$ PBX; ; Y "#$%&:TJ55;TQ560 ' :A ' &: (2014) 犞狅犾狌犿犲犛犺狉犻狀犽犪犵犲狅犳犎犜犘犅犜犺犲狉犿狅狊犲狋犻狀犵犘犅犡犻狀狋犺犲犃犵犻狀犵犘狉狅犮犲狊 HEChuan lan,lanlin gang,wen Mao ping,pang Hai yan (InstituteofChemicalMaterials,CAEP,MianyangSichuan621900,China) 犃犫狊狋狉犪犮狋 :ThevolumeshrinkageofHTPBthermosetingPBXduringtheagingprocesswasstudiedbyaccelerated agingmethod.thereasonforvolumeshrinkagewasanalyzedfrom postcuringreactionandrelativecrosslinking density.theresultsshowthatthevolumeshrinkagerateofpbxincreaseswithagingtemperaturerisingandtime extendingattheearlyagingstage,andisclosetoconstantvalueafter90daysagingprocessat70.postcuringre actionofhtpbduringtheagingprocesisthefundamentalreasonofvolumeshrinkageofpbx. 犓犲狔狑狅狉犱狊 :physicalchemistry;htpb;thermosetingpbx;acceleratedaging;volumeshrinkage 2 3 /,$ PBX CD?CP,` Q c R c?c R P ;, PBX R! 7? D, 7? ' R! < < < ',IJR! P b c R 4 L? : b, IJ?-"K b' $ PBX, N??@W ) CD EY M [ 0(HTPB) b HTPB?$ b' #? N [1 7], HTPBH? b K / ; E, ]>? ; HTPB # 1 (TDI)?>, R M "$\T >?@ *([, ]& P? < $ ' ' PBX R!? < b'?' PBX? b' S? [8],,PBX ;? ' I JKL ' / S N > PBX Y IJ,W? Hc :; PBX > ', HTPB $ PBX ;? ' /, [ ',E $ PBX R!?$ NO 1 : ; 1.1 FE [\ HTPB,, U, 1.34mmol/g; (DOS), 1#, [ ; 1 (TDI),9, [ ()*+: ;,-*+: /01:0 =] M ( ); 0 J 4 3M (2013A ) : 3(1970-),, \, & P) b'

2 , PBXCDE 21 GBH 74 c P,@$ 1, A <P,$<0.1mg 1.2 < HTPB b Q:K ? HTPB DOS TDI, " > 60 2h, Ф100mm 100mm Ф20mm 20mm HTPB$ PBX Q:K RDX HTPB DOS TDI, "15min, 60 2h, ' E Ф100mm 100mm Ф20mm 20mm? 1.3 Za c?, < E 25,<E75%; c 70! c P, 1b' 1: 2 1?K <, ' S?@ < 1: 2 1 >?S?@ <(?@ J?@) 1 E 20mm <0.8~1.0mm?!8,K B;1.00g 100~120mL T #, " 1 <? E: 犚犖犅 = 犞 r 5/3 狑 (1) : 犚犖犅 ES?@ <6 ; 犞 r E "J N? #?, 1 #; 狑 E "J$%K ' ]^?$, Y 1.17%, 7 Y ;!, Y ]?$, E430d, Y #1.17% :; N < HTPB$ PBX? Y,& Y <, > Y #,678 & K 45S, Y? 2.2 HTPB PBX ( <O [9 11] %,8 ): RDX,RDX P4L A $ b' 7 ', 7 RDX HTPB$ PBX ; Y? 2K L K,HTPB $ PBX Y?CD K HTPB b?>?@ <?' HTPB!PQ R S5PTU HTPB b 70 ; >, &' ', Y ]? & 2 2 bc 2.1 HTPB PBX "< 70 > 1 HTPB$ PBX? Y (Δ 犞 )]?',45@ &1 #1 PBX ( < Fig.1 Changesofvolumeshrinkagerateofthermoseting PBXalongwiththeagingtime &1, PBX?Δ 犞 ]?$ <? & $_ 70 90d>, #2 HTPB ( < Fig.2 ChangeofvolumeshrinkagerateofHTPB alongwiththeagingtime &2,HTPB b? Y ]?$ $_ 70 36d>, Y ]?$, 43d 50d? Y E1.16%, HTPB$ PBX >?Y 1.17%NE2,67 HTPB? Y MH # N, 7$ PBX? Y C D HTPB > ;?Y HTPB!PVQ R SD W2F 5U HTPB b ;,]^? $, ' HTPB?@ <?' E/ H HTPB ; Y?1 K, / HTPB b?@ <?' Y?,45 &3

$22 & 3,70, HTPB b?@ < 6 ]? $ $_,36d> _, >? @ < ]?$ KE HTPB? E, HTPB TDI?>, HTPB b M TDI?, K?? @ <]? $ $ _,] ^ ;?,HTPB? C C G P \ $? T \ A M,? @,? @ E C S? &4 #3 ( X @6 < Fig.$

3 22 & 3,70, HTPB < 6 ]? $ $_,36d> _, < ]?$ KE HTPB? E, HTPB TDI?>, HTPB b M TDI?, <]? $ $ _,] ^ ;?,HTPB? C C G P \ $? T \ E C S? &4 #3 ( < Fig.3 Changecurveofvolumeshrinkagerateand crosslinkdensityofhtpbalongwithagingtime #4 HTPBb TDI< X Fig.4 CrosslinkingreactionanddegradationreactionofHTPBandTDI &3 &4,.>?@ K HTPB b?@ <. &, 36d> HTPB??@ < # _,> M H, C C G P A? E C,-OH -NCO A?/M?, K HTPB?6&?@ < 36d> / &3,, Y S

4 , PBXCDE < ]?$ $,36d>2 # _ ]^?$, Y ' N, S?@ < 7?, 7 HTPB b? Y S?@ <' + b S K <? ' / > ( <), 1? C C G < & Y ; >, Y,]^?$,,?@ <, ' [,HTPB b? Y C D ( OH NCO? > ; R?> >, 1 MH )? OH NCO M, S Y > Y K,> HTPB b Y?*H K PBX PTXY HTPBC XY5 GB P 1 HTPB b HT PB$ PBX 70 Y ]?',45@&5 CDR HTPB 1? > RDX MH " ;? I J, HTPB $ PBX ; Y? 2KL, *,> <, K PBX Y N HTPB b, Y ( L PBX 9<O c R P ;,PBX R!? $ <D ±0.1mm Y E1.17%? PBX R!,! _1.2%, c 45@61 61 ] b: L Table1 Comparisonwithexperimentalresultsofthedesign dimensionsandthesamplesize % /mm /mm c /mm ,HTPB$ PBX ;? Y E1.17% N E +, _ 1.2%?+2!,' HTPB$ PBX-. $ >! E D HTPB$ PBX R!P c R, K ; 9,R! 9! B /,' PBXR!? Pb EbD 3 #5 HTPB 9 PBX ( Fig.5 VolumeshrinkagecurvesofpureHTPB elastomerandpbx &5,70,HTPB $ PBX HTPB b? Y ]?$ $_, # <>' ', 7 HTPB $ PBX? Y HT PB b? Y 2S HTPB b 70 43d >, Y _ ; PBX S! 70d Y # _, 90d > _, 7 PBX Y N HTPB b D, ' RDX? * + T,K > < HTPB b K,HTPB $ PBX ; Y? K HTPB b? (1)HTPB$ PBX ]^ <? &? $, Y $ _, Y 0,>Y 70 90d >,HTPB $ PBX? Y 2 # _ (2)HTPB$ PBX Y? K HTPB TDI R? E, ;?> RDX?*+T,HTPB $ PBX Y N HTPB b 9 (3) HTBP $ PBX? $ 1.2%, ;$ >, E D TU' : [1] 1, P,,*.[ / b? / [J]. U_,2010,30(3): LIXu chang,jiaojian,yaojun yan,etal.study

5 24 anaginglaw of HTPB polyuretlraneelastomer[j]. JournalofXi anuniversity,2010,30(3): [2], W_,,*.[ #? b'?gh [J].I ' ),1996,4 (3): WANGChun hua,peng Wang da,weng Wu jun, etal,chemicalagingmechanismsofhtpbsolidprop erlantsandthewaystoimproveaging resistance[j]. ChineseJournalofEnergetic Materials,1996,4(3): [3], >c, E,*.[ %8? [J]. agh,1994(1): ZHANGJing chun,chenshao jie,jing Quan bin, etal,anaginginvestigationof HTPBsheetspecim ents[j].journalofsolid Rocket Technology,1994 (1): [4] 2, 3&, 4,*.0 # 52=, 3 [J]. a,2008,34(3): ZHANGYong jun,zhangxing gao,zhang Wei, etal,reviewontheagingpropertyofsolidpropelant andbondingabroad[j].journalofrocketpropelant, 2008,34(3): [5],6 -, 7,*. $ 8 HTPB #?-b'[j].,2010,33(3): CHANG Xin long,laijian wei,wang Ruo yu,et al.hygroscopicpropertiesofhtpbpropelantinthe hydrothermalenvironment[j].chinesejournalofex plosivesandpropelants,2010,3: [6] 1 9,R,* :,*. [ ; # b'?ij[j],,2012,35(3): ZHANG Xu dong,dong Ke hai,qu Kai,et al, Efectofmoistureageingon mechanicalperformance ofhtpbpropelant[j].chinesejournalofexplosives andpropelants,2012,35(3): [7] 6-,,,*.HTPB #? b'[j],,2012,35(3): LAIJian wei,chang Xin long,long King,etal, LowtemperaturemechanicalpropertiesofHTPBpro pelant[j],chinesejournalofexplosivesandpropel lants,2012,35(3): [8] a,,&y?.0 PBX [J].,2008,29(5): YANG Xue hai,zhang Qi rong,gao Xiao min. OverseasstudydynamicofPBX[J].JournalofSichuan Ordnance,2008,29(5): [9] &Y?,D7.I RDX PBX 3[J].I '),2010,18(2): GAOXiao min,huang Ming,ReviewonagingofI RDXandI RDXbasedPBX[J].JournalofEnergetic Materials,2010,18(2): [10]SpyckereleC,FrecheA,Eck G.Ageingofreduced sensitivityrdx andcom positionsbasedonreduced sensitivityrdx,anupdate[c] ProcInsensitiv Mu nitionandenergeticmaterialtechnologysymposium. Bristo:[s.n.],2006. [11]SpyckereleC,Freche A.AgeingofI RDX(andof composi tionsbasedoni RDX([C] Proc35thInter national Annua Conference of ICT. Karlsruhe: ICT, ( I19J) [15]RiceB M,HareJJ,ByrdEFC.Accuratepredictions equationofstatefordetonationproducts[j].sciencein ofcrystaldensitiesusingquantum mechanicalmolecu China,2008,38(12): larvolumes[j].j Phy Chem A,2007,111(42): [,*. O M I ' " J ? 3[J]. # & P ),2013,11 [16]QiuL,Xiao H M,GongX D,etal.Crystaldensity (1): predictionsfornitraminesbasedonquantumchemistry BIFu qiang,xu Cheng,GE Zhong xue,etal.re [J].JHarzard Mater,2007,141(1): search progressin dinitromethylazole basedenergetic [17],,,*.VLW J + [J]. compounds[j].chemicalpropelantsand Polymeric 0] (BR),2008,38(12): Materials,2013,11(1): WU Xiong,LONGXin ping,hebi,etal.thevlw

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