聚乙烯改性研究进展

E AT2001 Ae μ0 2日~"30 %iEO40010. ADONDW2/ha01的的创前> 1~6Nsz2AATjENg0e1c3iN8092. 1:21/>> i" '6NS》-x/30e》- Ng1c3iNg0ez斜+ 02 710049200助0ε9UE8AE1uAU4000T@TPA+xeE%2「xe。,6 ADOμAND%ε V%01 Cejo2HOAOAEEuACμAx+0A>UAi2Zc%eEUAE，EuACμAOAEtpajf10/0C9000T0C第PA+xeEN4Exe, ,02AAT232>i0D1/-0AaAE9Q325. 12 TATxteETAeEA TAOAtaeAEr00 - 9456" 200102 - 0038 - 04Progress in the Modification of PEQIAN Jun-min'fHI Xu xiang2E" 1. College of Materials Science and Engineering22. College of Environment and Chemical Engineering£E-Xii an Jiaotong UniversilyE-Xi an 710049E -China 20Abstract£Studies on the non-halogen flame relardation and barrier modifications of PE at home are reviewed.The operating mechanisms of non-halogen flame retardant agent and barrier material in PE matrix composites are alsodiscussed. In addition2 the advantages and disadvantages of the modified PE are introduced.Key wordsfPEEnon-halogen flame retardantfEbarrier materialEblending1 C°NOμATP>UuxEVWNAECCaNo>- AAi e%>-TrjA8EaDijea>~9[3400T"PEE@U nμ1A@C≥ED1401 aEY0x&qoCO34BOD个780>-i8~ ATOLOMNy>- e9xEaxExE/4AVN46ONkmEeEeTAOAAVD0AUEOqoDeCOA;' 6£0|AAxe 1aifuδNx”<2$EUqEμi iafNipTq%∈C>UE0N4Aig1%2μcD0A000%° xeE/4μED0A02> 9A&> AUAuxaTEXxEV4AμA>U+40@C6EAxAU_ ,i%0N134pi60%kμAECxE/%/A1°0μ0:0AμA0≌C6jE0a;E001" 1y0eFaEd1a3iE0A12>iμAEaE0D0AU2%° 0@C6xeE/)A。BDSδ6uDei i1%0A;E>2>>a>O%OEei i404A911个A1μA00. AEEjEOE0U PE E+0-3∈-Cμul40A1y9aμA. B3401T1401 口1 a001Ei 22>>au/40A>u2A>uNauITATμAIaEYD0vYDμD0AOμA1yq惟h>- jf@AEia ,BxeE%4 ,B401μA3a>+Gi27EH0μ￥12>if6ajEE1AaA30》-/kAaeD0A0μA00_ AEEEpAOAuxaEμ%4EO:0AμA0@Ax1 ahagE6u0ATp >Ux∈EV%I%AμAASqEOE3-T，》 2啊ρ @AECoif0o EE为a%4o400010eFaEu2AAIμAaEYD01EiaEC>n。AE4O0TμAv401 aD0A0j@Oq作91x个002uE .μADOAU£PμAxU°TDOA00AANqμA PE >u2AATμA10%uTE1a£0=EC%4000 >xE1%/IA>10!0DAi IeμAAE作-029" -02≥%40≌0-E@210。ADOμAEEμa' TElaj&x%TAq0%uAeA^ PE TpA+xeE/49「2.1 M& 0H2@xeEl1a1μxe, ,6 ,ADOμAxTDANDWj/koDBAEx0EojfMf"0HA@0e AOHEOWBODEETEST DOAORAjieE%ji中2 PE 1PAtxeE%4 ,ADO1pbiz@>>0-$j@>2uEu.,-E' DOEo iajcNiAiDi j@>2GEu2E0AAtE0AxE/A90400010:2oDDxeE/4 ADOt6aE>>IPT10EWquEOAμa&6Cμ1Atj和PA+xeEMia1μA0+0≌0-ATj2 .xENADS1Q°Q°A1slp《A+EO>-=TTr0U2AATODE/E0E+>a0e旧"OHEO latESM6" 0H2O -0%a TAE. ,BEE土9421μ1ε→_A3°"6AjμAA+>~CaFo iax AEo ia0x TuEO;OEODμAE@_Y °xE%12AfC°∩HF@∩A A11N1@xIWx$4 Mf" OH2④0=Di3ECaAtEat%BODOUCuHA_-E x+0Axθi≈EIp个1<2|6θo 0≌EC°TH中国煤化A工ATA1AH02%N6oETPOEAEA+EOxE)%AμAO|0A qisjf泪-ciPA+xeEV%A》 2409. CN MH GA吸μxEVe04x9EMgμANDNzf+AUONx6AE 6AiuA1ox+ iSAεσ°NDNixi@yv~0D f" 0HAQ iEOAx+ wW00YμAxEV%xAA Mf" OHAQ Ia* EO_aEOL2000- 05-15i9 38印AT40010. ADONDWZ/ho012001 Ae μ0 2的"30 %1公⑥HDPE OExeE/2AAT2θE0U ME" 0H200e HDPE μATaEYDOTEjROCuCimEjA- EiAA;91AOCuASAμEEia, BEEtaDTTA212M6" 0HEO 6AAi EUEEHO2> μ/xeE4DS 102{oOAAiTa E2q:46EU IBDOA001 TμEy29σ 9103>+Ci q001i2》6ifE$6a0DO>9" xeE/4D81 0fH的1P9E2> 2uuOAv400μif个≌-E£2> EUNgOBNDN;36AED1-a-%-"A". AERE。E'DOEo ia2euou ' ae1y310D2> >0-Q2>> 1δ83δ0θD30%AμAHDPE 0e ME"OH2Q@Wa μA Ia EY DOEEuAGiE .0个2 90xeEVDS10f2$C00-A1A-0- -a。>£4U。μ1A@jEME" OHSQtiAx^ |Ar91q0 HDPE +iAxe ADOAz0OifCaN6> AAμAxeEN>uAiSATH EUEE6Ej3]haWSE@E+i6NAi5sSAe16ANATO N("Hf+rIrxo 0 -c26 AEE&EA1E5迫A3BμAE@OFEoETiEiTAi96_。βir3a HDPE E士SA-Ei Ci NEμAμhA+ 10ia. ,BEFa>+>δNaeCo iEEV4Fo AμA"ES2c0DO》I uAAaE”x+0A£6D0uCizEAOia_BEfoqOqYANEAEμAO°7E0O-O2oA+ T0f- 0090T0+TA*DT*ETi> °2axWExeDOEEAE°ENOEoμA2AAIE0≥∈' aD0qTANDDis jEE60U AiaTμoDyOEe 5 -Y6CVo0Eesθ0;Exe01θi -.0xOμAiEEIAF ia0Y3ojf>1e0i2c AOATNEa6￥ANAMYA ' |Ai Mf" 0H&QtHAμ%μA6ACaN6》- AAx+ @xeEV%AO在士。HDPE xeE/2AATE士Bia HDPE uA"TANEi3zAE Tμk 53.3% fri1036A-Ei1u1u>a0i3E2AATA:NSDOAUμATA/4uLf4o i~ 1yOxeE/AuAEIDOqTANDDT≌SGaqYANEi3aAEtET-。AD0inaialμia_Bt1Ax%o0D。AD0006εE%a460aO> TEiajEAT -006Ax01491AE 9 +q6+j∪3a+GiTEla ,BAE 2.1 f9ifμ+%<6C>u1e0i3EμA CntiAai.2IWADPEiCaN6> AAzEOOE1CaN6》AAμAv:OEeAi la. Bμk 10 -YEtEME" 0HEO βi个3a HDPE μA0U>uiaODNBOD/hT°AμA -0Ec x+0AEZ> Vhδ xeE/4DOAUhTAqTANEi3aAE9j3a>=Ci作-0t0个280.8%2137.3kJ/m2E-Er"N6O, ey[a 27国9oC0. AEAE2AATμAAINSDOAOfEC2OA2AAT+fT038AV9AμAEIDOqTANDD ie ifoOC>u1e01 ;EAOECAj0U 4% ~ 8%uA-.TSA2AAT4BODVT°AμAAINSD0AOE→°0。20U1TAT+1AaDi3EAEO》. 6EaDO/hcAazaGajEAOECE1A-Ei ii作0148MPa la .βμ/% 154MPaEPa>+Ci作0in3aialμEIDOμAμla_ ,BμA2; -00-006无awBia0-00ED2> .2.43k.i 4n-2la .Buμ/AE2.8kJi qn-2i汇ADOGaNo> AAuAEE国_0Ca3pj& Focel:AA A TμADqO ME 0H2@1oDD-0/haTAqEjE T 264CEzAAT>ulaμAEE -0%a1AmEO2OE”i"!A196 i个3a HDPE-C I02AAT x09TA| NSDOAUA- 101aNuA 437cEy .Bμk 465 C ifμ+i i140CaNo》" AAμAx∈El4Oδ。BEN&" OHS@T |Ai TAEOeE+yaqOA! NSD0A0012>”62>DS/%A9iAx 96E6aN6> AAμAEE -0%a TAmEO60A 275CEzANf" OHSQiEeAi 06%/0zEA+ 10ia BxEI%DOAO<>aE1AT>uIayuAEE -0)%a TATETa 466C [00112601- 1y0ULDPE x∈EV&%盘~ ATH 9jqj Ax&@aTμODyOEe EPDME%E0oAINSDOAUTAN/UuiODEEOoOA γ∞04E600 PE -0x0A ETOyE/<uv40AEiaTμuAE iD0f0208/OAETP>xEV/AμAij40Ai i&μAμpuμAZAAT%B0DOAAvqμAxeEl4DOA0ja| NgDOAUOeμgFo DO1AE6006 40 Mf" OHE@VHDPE la IμμAδ3 9[ DBI7EYtDiAUEGa% IPN60, Eg~ LOIEQE T 30ftqu/AE s 40ys/miA0sεOδ≥E0Aμcx0Eo -00%6E0E0A J-2E5 Diy2μ%0EUATH %4-个NEao&" 40 -YEO!Ar96EiT3a 100 -Y ATH μAiaE:2UEuμA_ βA0μgxOE&^ A0Ai 1. 7eV ~ 1. 8eVZEo A+Tμ26aA-EiCi qE9qTANEi 3zAE -0t0 01|AiEtμA 7.20μAE0 HDPE )o0D -00020U HDPE -0x0A- ETOyEeAE5MPa °i 90% la_Bu/z 8.4MPa 2i 285%&foirsa 150丫δE>uμE/4< DO》u 1AEZc/%《Aa0AOU Mf" OH2@VHDPE i个3aATH μAiaTμiGaA-EiG;TE9iηIANEi3aAE -0+0。BT 14.a1u2%E10 ME 0H2@/HDPE la1uμAA-EiGiE9TGu-p 4MPa e 340%i&CimEμAμzla, BEHo9TANEi3xAEe isa>+Gi E0δ≈ETA/zuG≈2.3 Ax IμxεExialμEiEAi la%- -000 AiμA HDPE μAEOμa9 iE0EUEEU+%4AxIμxeEVWIAAεC°0D°xAx jeiAx j@OAxEaTSμEif2>tai6uA+%a11μAta>~0+0@ -cEu0U -G%8CoEtaSWa11-eEO> @046A9iAx j&xAx1@xeE%aAA”0F HDPE x∈E%4>U+%2>E0°Tijf2ATE6xAa0Aj06%0Ria1uμAA-EiCimEi 4TANEi3aAEjφ2.2 AATμxeE41aTμ3a>+GiE00%4° MI 3E1TAY&uC+Efx%h[>eAy iEAxμAvOEeAiC°ON≌-AμAAAuxE/lAODCaNo》AR" ATHEGAA:OμO6AVQOAE]YmIAxF/GD0fH+9jAx0AAj@ 15 -YqxEa.用"3CaOiAl2QO3i6H2Of@ [y41 DO 1%4 Ea AEAR~ NaAlAxT≥20中国煤化工W AδμxeE'wDOAUE→f"OHE@CO32EyOeYεC° Ak00xeEl4D 10TaμcHOEe沁》aEuACEVYHc N M H GEOAEA1E:ICa2GOEuypuMIaTμAINgDOAUEθaεEOAOz0-EajAEa6$ jNEao$jc ACμAx+OA>uAiaEj2a xeEV%>uAi @PE 00 ,BTAvOEE1e1ei$0eμEao￥μEtiA∞' |Ai%ArOa_ ADOfOS 10A:10if E士9iAxExTE0e2AAT⊥1 AaxμANδEo .0|$%μμIE=0-tiAax002./60xeE/4DS109AE60:E001a ,βEOATμAA-Eiζi uANA-"TEha. BAE: 1N6ET"DOfPE μAEEUuh维∈CIp1e0oiP39 i国E AT2001 Ae μu0 2“~30 A12@300T0 ADONDNiba01TIANS6u2uEuμAxOOE >u0x -cEuA x(OEWx}xOo>260y-.CA 0!9YA1;0OE>i°iδWb$θ0Di3∈°6A;μA PA ti 2aE-0EcuμAyu/a£9i Ax0e0aD@x0E>心-cEu .0| iE000Ex00O>>uμA0U HDPE >ulaoDfθaNuza2axe_ 0261 μAEa -0x0AOEcA-2uEL9 [%uμa.- 0jμA/6DDC9iAx EOE/aW401∈EAv:OAx&%o %A=a400>0C00E401o xe. ,6AEEOxA -0x0μAOE$%μμiIoNo>- @AxEaEAxEa iuE@3EqaAx EaL6UE1 E+0- INE@Ii AEEO%A _0x0μAEo1_ AEjE》261 iEVANh2UTY%46EU2Ax Ea000U∈=0-tTAxDi3E0》AOAOI13EYEEE2E0A12ni μE0V4kE6O∈μAAE ,Bxe, δ2a2&ASx ' E0E0UTT2EU%4BOD 09IN6EoμAx=0A°θOENae DOμA PA, ADO HDPE 0D ;0EYE+290 ipAaEU/AOD%kT ,BμuANOEi i&"Ela29i AxOUEo Ia0020 xeE/x+OAEPE EV%EOi1Eo 1 ,DOfE3DA0142E0A12>i xcEUxe ,6DOEYE+yμAVNAE+£9i AxμAO>0ON6》TT/koEeO6EOQTa£6u;E2qx)kx00E>UE~ E60E3EAE HDPE/PA6 12>ixe. ,6D0EYE+2θU PA69-Ai≌00:>0NxCoOδAUμAA←Eo .0! jAA6A6%g912XND%&zAEqjAx30wt% ~ 40wt% EtEOEμAμAxe_ 6DOEY FE+ DOAO2Y%NE6OT2 jψUAxEaTSμE iPA+xEV%AV°a。°11aIμ90 PE xe100212y1012>i TγμAxe。6D0AOD/2T 60°ij&"E- T0EV4DS10μA0°i 96ET↑≌2%0Ax EaTg~ APPEQAxeEV%>UAiEet。91000C6%40μ￥E60 . IATEYOx>0EOAuOAj&APP EUEE -0%a3EAx Ea9f NH3E6°OB εEE130?YYDTμ<0E0U HDPE 0e PA 2>> IaEYEHOu￥12>iε6uAl%3E3Eiε》~ 2afNH; 0ojEE1iε》- 2aAδOlεElε》~ 2aWBOD。δ e10μATa -0Aex”1-zpA2>μh9T%80;0DpμAx0°TDOAOjf@Ej6ONi ieAEOlaA+ 1EμAx+0OAEXABODAv°AμAxe∈E/4DO。AEAE PA 0u HDPE >心ia0DμA -0≥/&%μμ1 A%TavaμAV%GAxeAOrpuc iaTμANSDOAU2> Ajf, AEIiaTuμAA: isD0AUE- 0AA|Eθ6 “6%60￥Aae》yzHa. β03v0A|z0- 9< DE152「[AoE00A EVA 2i -0ule PE个i1aE+0-£901yNo>- Ip0itQ06%0u1" 1yvoOEee IaEYuA HDPE V200: AiA- EaOUA-印圾" DC/2/>A000O>Ey0N6>i1e ieT@/600|-10i2Ea0-Ai EG40007@EY%o0;μAAiA Ea00 -0x00e PA0| 120U/-3>uAUqO>uiaE+0-/oDDE0EU%/00| "|Aij&1"-0x0A μAδf° -1A-CE(u> ~ig . *0|D13E12/0W0&=OqoE11yho0/}>A@μA1alμEraA-EiqinE9 iqTANEi3qAET%4ET'HDPE 9f PA V6A0μ0Ya°TμhO》AEOjfIaEY%AμAvoEe 1042>A∈E士。BEA-Ei CiE 011.49MPa 060A 12. 48MPa&qTHDPE/PA AINSDOAOμA_ AE国-0A: T0Ez+ 1TDOAU%u6DANEi3aAE *6 402 .4% 060A 461 .2% jiExe DCP 0AAεμA062> i-3iqEμAla, BC6ae IaEYNAOAAiμAla ,BEA-EiGzE9iv0fhaTμA-EiCimE0eqTANEi 3nAEWuUμAμhla_ ,BE+-E+$qTANEi3oAE01￥06 6f%oCO%BODTa . AμuAta> C+Eifμ土300-A- μAxeEW4D0AOjETaEYyA6AAi↑16 -YE+EA- EiCi qE9iηTAN∈i3cAE -003 PExe_ ,δ。ADO0T wOETaEYNAEtμA 22. 0MPa 2i 80% la ,Bμu/z 30.3.1 PA xe. ,6iaTμ0MPa 9[ 700% i&C@ -1081726AAAuE=0-iB -0x00EY0E0U'62i -0O->014 *EcFQO1jwXIalpjAt 01pic %A9「 HDPE 12>i 9Io3∈EμA PA/HDPE 1/6Z90EV4016BODIaATμES8O HDPE EYE+OD)vTY °6μAEo i, ,DOEf-Et°e0DO> Av9AμAxe. ,6D0AOifTo 3DA∩A0189%eu HDPEISADOAaAUT"μAE00i 101629oμl4OAOEE . taDiεGa4IIPOEAE HDPE f" MPAIOTaEY%AAIA Ea0u, ADO%wU00I1Oμ∈E>i9I2zO0EO》OD;0EYE=μAxe, ,6DOAOEYl%nhta Bxe. ,6D0A0μA1%4qOD 91 uA> iA9il/4bYkoDD/4-360D;0 μEU261 xe, ,6D0A0μAμ/k° 6tiAxe i; 2itTAxe (>>~>0>G> ia2a12/-μES6uACON1a0μuE1a_βif》7p)μl6FO%° i£00 PA"%U3.2 EVOH xe.6iaμ0f° -2国xe ,δE40→μA2ax° 12>14EσjE -PAEETE6EtμajEEVOr000_00TO~4123OTTEG+0-ECAsc°EA/cETPA 3y%BODAAμuAE1DOj41 ,一E DOμE10D00@ la2m1 94B0日D1a0μ>- EuZuμAEy 6xe. ,δE+ 0f" PVDCi EVOHjQAEO0OD>E0xAv°EaOδEOμA_ ,Bxe, ,6D0iEPA 0q002ax' DTi- 080929≤∈σ∞-00∞@≌40O°TημAw01∞DO°j00TO~v340T个Wx>2x00μu -02/400 HDPE >lIaE+0-0DfθE0U PA 0e HDPEuA_。0EoD00UO》iaμADADi ,B -0x0zAATjfEVOH E+0-%AB0@Wa/x TaEYia0D>uDμGi作BjEi EDO°AjtiAx02E, Bje1A￥D0jE12IμEAU -nD13E2ax° xe_ ,δ2a>δ0B≥E0A≌1001∞0δE0ηi2AAU μcDOeAμEiOμat6uqODi aEo ia%B0D0A0i μAxe_ ,6B0AOif印μT0EC1040μAO》2V%jE3AOA C0260A2x”.0Fc.x" 1-12>VW4E6ND%εAE EVOHAaAuzax xe. 60-AiC2ax "/a11 ECi" 1yNj0nE∈μtμA。ADO中国煤化工iAaE91o00EGEuAμAxe -02AAT y° 9 μA3EDi y401u i6%4p 12 i- Eμ 10 μAif1202月i YHC N M H G_zxlBODOAOiμAxe。oD0HDPE/PA 12>i1T0Et_ xe_ ,6DOEYE+μAxe, 60-AiECOEF- A0jEO> 12E0A06EYyA LDPE-g-MAH ,AEAvTrOEμA/sG0D HDPE >uiaDi3EA-Do TafrA @2ax" -0EcTaxq00D>Axx+OAE66EY%AEEAi EtExEE1 EVOH. ,uEYOx -0Ec0UEU/AμA0DDSxe. δx+0AECOE0U PA μA a0UjE0U401E土E→HDPE ODEA00U -cEuDItaqo D3E2ax" -02/4x" 1-i&Aii@ 40印AT30070 ADONDiZho012001 Ae_ μ0 2月日”30 %i上⑥Ia6EYNAOUOEt.。1y3i0DD13E ic/2 A/a11EA066laEU12Y 0A>-ic. 131EUAT0!08U]LY 19929"42049.。β EVOH μAEOIaμ DOEA0OU>uaE=0-/euEai.22q -cEu£02Y 0A>- ic. EANTEE/:UJ2000E*=1f024.DTaEDeOpμAD1-/%a11jE£03EY A-0yTacAOT . I01>-10]EY 19612495.£042Y -.eEU AoE6OA. EUATjEI/&Uj2Y 1991.3.3 EaE0xe. ,δiaIμAS" tw0009 ItoT0eaμA1z0Tr2e0ipAa910010>-£OsfY 16NPAoEAOALAOp1+&pE ，0D1uEOATUj2Y200Of拇" 2084.NSE -4B0DAVRAμAxe。6D0iθe HDPE 12>iZzE. AEE HDPE£06EY 16cazAT -99iE%4A>0ZpE. EOAT1 a0QOjY 19528 *620.£U7EY Carlson D J. Macomolecul&UJEY 1989E3289619.μ￥12>° i >au/4OAAINSDOAONTOOTA/μjfTPDaRM021fEE0A118" 1£8903.Ta/200| -*00 LDPE EIY:0O:2001@q1taIOeaμ￥1a£3φ0AEU9LY NπO/eiεla0》 -AA”胆.>- 1uDADi2ATUJeY 1626*3229“E%o0;1 LDPE-gASE@+个e HDPE/AS 12>>i iaTμμAIaEYIAEAUTOOo. AEE AS 00 HDPE 0BμA -0EcDS10£6112>i£010EY AT -6;AAb&z1ACO-&PE E0AT1 0Q0Q2199929 12@95.auμAA-EiCiqE9IqTANEi 3zAEμEA|NSD0A0>nμAA=1020112Y A000+29δ9EA0 0D1 uE0ATUjLY 1960“42045.la_ βif PDa1 82200A00A0 UHMWPE 94B40D Bxe_ 6DOjgB£0129Y AOA1- -CA-DaEVNENTNPEI. 0D16E0ATUjEY 19981010口GicBO3μAi0=f%uEa0Ax+2ax" -0Ecxe, 6TaxθE3∈AE%B£U13EY AO"-AOEAT%O °£fiDjNatpE . 131E0AT0|08UJLY 198269.0D9UAxe, ,6D0AOμA HDPE/UHMWPE 9TV/0jff"92国44.4 /eaEo0TxOETEcEofPE xeE%21xe_ ,6. ,ADOEG%000T01o3j>- iq£014EY 3DAA≌E4jOAQiEATEVLpE .131EOATOLOJEY199725"502.3%uT。>-2j1AO>-μAOo0=EOq10@O>iqir~1y. AD0£46~610£0152Y 0-9"1 ex0UO>DO2>xa0@^ |iEc£016EY A60+E+UPE3c°θi 。>p啡E. EUAYDUJEY 199267 *5£621.TpA+xe∈IWNAμAxeE/4DAE2>. B&De' 6Ai l个a2A3ABODPAμA£U172Y C@-Y0a E0AT1 0Q0JEY 19929 ^2里.xeE)ADS102θaE1 iaTμA NSDOAUIAyuμ%TTa&600DD@xeE%4£018εY 3DAnA@6AOxEOEATpN6pE. D1EUATUJ2Y 1972博”620V%A>10D16D0μEif20.↑>njμAxOQDOAO0OANqμA PE zAAT2qa00. ADOVA4E£019EY -BNOE9UEU>θA0AI$ .》“1DLY20002Z8~ 2四9EOq∩μAx0°T0E0AEC000μA-c01 -%2Too@O>EA1 faEPE >ufU20LY中国煤化工1=0βUJEY 199 ~3国2zAA1;. -cNDNjOUQU 63IEETOAAμ0UIEXY/AE6μA-c01E-YHCNMHG°6qaEy3£/40μA 6E -00E+0-0e PE y202> IaEYEθo EEEOA£0212Y 19DaVEVs4OμAAnqTaTOTu&pE. EOAT1o0pOJ2Y 19929 4209.0U0Et。PE。"2AATuAA@VA9MTaEY%AμA;≌-cEC PE2.。ADOA00e [4%9i2£022Y PDa1UE-e IpEA0A6AEpE. D1uE0ALUJEY 19979理”6921241ATx方数据24.f" t%TAtak- wJw2O