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ABSABSX300400ABS,7,ABSABSABS(AN)(BD)(St),,ABS,1ABSABS111ABS,2860ABS1996,ABS5000kt/a,1000kt/a;GEP()600kt/a;434kt/a;JSR200kt/a(870kt/a)1996ABS3700kt[1],75%,112ABS1963,19702000t/aABS1982/10kt/aABS/SANABS,1984,199320kt/a60,19743000t/aABS,,19862000t/a1983USS20kt/aABS/SAN,199120kt/aABS199660kt/a(),2719kt[2]50kt/a100kt/aABS1997,LG50kt/a1998,50kt/a4,,ABS,70kt/a1999()450kt/a,,90,ABS1[3]113ABSABS,199019929118%91%9015%;113%118%215%;()7%712%7%1995ABS613kt,1996653kt,1912%,90,,56117%5717%[3]51999,9(2)ABSABSX:(,)1ABS/(kt/a)1198419931020/2198610(HIPS)3198720USS4199750MIWON()51997110100JSR6199850LG719984081999509601019911011199310121310141015101661719943181995315HIPSABS,,ABS,HIPSABS,ABS,ABS,ABS[2][4],199750kt,,,1990108kt19971030kt,,,ABS2000,ABS1000kt2ABS[57],ABS,(UnitedStatesRubberCo.)1947,(1)4:,2,2,ABS,,,(2)ABSSAN,3:ABS+SAN(2),,ABS+SAN,ABS+SAN,ABS10ABS,:ABSSAN;(JSR);,,,SAN(80),,ABS;ABS15%ABS,ABS,(),,,ABS;211(),6CHEMICALENGINEERINGDESIGN1999,9(2)PBL()SBRL()StANPB()ABS,SANABSSANANStABSSAN,3:2(ABSSAN),,,ABS2SAN,SAN,,,10;ABSSAN,SAN,,,21111,1[8]1BDSt,,,7%StSBRL()SBRL,StAN,ABSSANABSSAN,ABSABS,,ABS,(),ABS21112ABSSAN,22ABSSANBDStAN,PBL();ABSSANABSSANABSPBL,,;ABS,StAN,ABS;ANSt,SAN21113ABSSAN1995ABS(100kt/a)JSR,ABSSAN,,,199710ABS,19985,9000t50kt/aABS,,,SAN(CycolacABS),GEPlastics,,,,SAN,,SAN71999,9(2)ABSABSJSRABS[5],33ABSSAN:ABS7:;(SAN);PBL;;ABS;ABS;ABSSANSAN7:(N2);;;;SAN;;PBL4()5090,2526h90%ABS,,BDBDPBLABSPBLStAN3,,ABSABSL(ABS)ABSSBRLPBL2(2MS)50100,8h,96%98%,ABSLABSSAN,StAN2,1#;2#StAN,30%1#60%,2#,80%,,1502#,,,,SANABSSAN(),,,,,JSR(4)212ABS,ABS,ABS,,50%60%,,,Dow20202002,ABS,5%10%StAN,,,,110,,:,;,8CHEMICALENGINEERINGDESIGN1999,9(2);,,;,,,4JSRABS141112131516171819110112113201141151161171181191MonsantoABS:;ABS;12(PBR),St,24h,StPBR41,ANDBF()(),81,(),147,;,245StAN,ABS,TBPD()TBEC(),,MonsantoABS53[5]ABS,,,ABS/SAN43/2,3ABS,:ABS2SAN;91999,9(2)ABSABSABS2SAN;,100kt/aABS,:5MonsantoABS141719201516178911011121131141151161181211ABS2SAN1101133110112711011314ABS[9](1),ABS,19973500kt/a(65%),21002200kt,80%,600700kt,5%,,56,,,,,,,,,(2)ABS:,,,,;,,(3)ABS5060kt/a100200kt/a,50kt/a,01CHEMICALENGINEERINGDESIGN1999,9(2)2ABS--ABSL/SANABS/()SAN(1)(2)(3)(4)(5)(6)(7)(),kg/tANBDSt288206534250162595253160603250100650245158603220190610,%,%859080808080505010010090120112111(1)SAN,,(2)11213111,21314151112111,21,,(1)3141ABSSAN,11,21,1121,112111,2111,212,112,(4)21,,,,,,,90,SAN,,,10,(7);(6),,ABS,,,,,,,;ABS,,,,,(4),,,ABS,,,ABS(5)ABS,,111999,9(2)ABSABS(6),,,ABS,ABS,,ABS,,,ABS,,,1ModernPlasticsInternationalMarch1998:562,1998,(11):63,1997,38:15174ModernPlasticsInternationalAng1998:4E5,1995,(4):116,1998,(30):117.,1997,65678,1998.9.28,4(1998-10-29)PTAA/O()(PTA)A/O1998828A/O,PTA,,PTA,,1991PTAA/O,PTA,PTA,,,A,;O,4000kt/a,()5,,,,COD93%,GB8978-88,GB8978-96A/O-A/OPTA,PTA,()1975,25kt/a3000,19981998825,,,:19989,19981126,19981217123,825t115,,,,()21CHEMICALENGINEERINGDESIGN1999,9(2)ABSTRACTSProductionTechnologyofABSResinandCommentsonChinasABSDevelopmentXueZuyuan(ChinaTianchenChemicalEngineeringCorporation,Tianjing300400)ThisarticledescribestheABSresinproductiontech2nologies,especiallythechemicalgraftingco2compound2ingprocessandcontinuosmassgraftingpolymerizationprocess.Thetech2economicevaluationhasbeenmadeforsevendifferentkindsofprocess,inaddition,sugges2tionsonhowtodevelopABSindustryinChinaarealsoraised.KeywordsABSresinproductiontechnologycontinuousmassgraftingpolymerizationprocessDesignTechnologyandRetrofitSchemesforWaterSolutionTotalCirculatingUreaPlantTangWenqian(ChemicalPlanningDesignInstituteofShandongProince,Jinan250013)Thisarticledescribestheapplicationconditionsindesignandeconomiceffectsofnewtechnicalachieve2mentsforwatersolutiontotalcirculationureaplantandraisestheretrofitschemeforraisingcapacityandsavingenergy.KeywordsureawatersolutiontotalcirculationprocessretrofitschemeWhatHaveLearnedformtheDesignandOperationofTotalLowTemperatureShiftZhaoJifei(ShandongLuxiChemicalGroupCo.,Ltd.,Liaocheng252000)Thisarticleintroducestheproblemscommonlyexist2ingintheoperationoftotallowtemperatureshift,andanalyzesandfindsoutthereasonsoftheproblemsandtheresolutionsforresolvingtheproblemsKeywordstotallowtemperatureshiftdesignoperationfindoutDiscussionOnPVCFeedstockLineWangZude(ShanghaiChlor2alkaliChemicalCo.,Ltd.,Shanghai200233)Theauthoranalyzesselectingapproachesoffeedstocklinesunderdifferenttimeanddifferentprices.Thesim2plifiedmathmodeldescribedinthearticlecanbeusedbyeachenterpriseforselectingthesuitablefeedstocklinebasedontheactualconditions.KeywordsPVCfeedstocklineselectingap2proachCalculationProgramofHTFSHeatExchangerandVibrationAnalysisofTube&ShellHeatExchangerXuQihong(ShanghaiChemicalDesignInstitute,Shanghai200032)TheauthorintroducesthecalculationprogramofHTFSheatexchanger,analyzesthevibrationproblemoftube&shellheatexchangerinengineeringpracticeandsummarizestheexperiencesofhowtoeliminatevibra2tion.KeywordsHTFStube&shellheatexchangercalculationprogramvibrationanalysisTechnicalIdeaandPracticeSchemeofPlateColumnTechnicalImprovementChangLingguang(ChengdaChemicalEngineeringCorporationofChina,Chengd