［7］刘越，王安平．非织造布用聚丙烯纤维的进展［J］．非织造布，2003，11(3):30－32．［8］章治平，李纬．聚丙烯灰分的来源及控制手段［J］．化学工程师，2001(3):29－31．PreparationandpropertiesofantibacterialpolypropylenefiberfornonwovensWANGHuiyu1，DUANHongyi2，LIGuangquan2(1．PetroChinaDaqingPetrochemicalCompany，Daqing163311;2．PetroChinaLanzhouChemicalＲesearchCenter，Lanzhou730060)Abstract:Antibacterialpolypropylene(PP)resinandantibacterialPPfiberfornonwovenswerepreparedbymixingandextru-dingfiber-gradePPpowderwithhigh-efficiencyandgood-thermalstabilityorganicantibacterialagent(KJ-1)．Theeffectsofanti-bacterialagentanditsadditionamountontheantibacterialproperties，mechanicalpropertiesandprocessingpropertiesofPPwerestudied．TheresultsshowedthatthedecompositiontemperatureofantibacterialagentKJ-1was260℃，whichcouldmeetthere-quirementsofPPmixingextrusionprocessing;theantibacterialrateofantibacterialPPresinwasabove99%againstEscherichiacoliandStaphylococcusaureus，theashcontentwas0．019%bymassfraction，andtheprocessingperformancewasveryclosetothatofpurePPresinat230℃whenthemassfractionofKJ-1was0．02%;andtheantibacterialPPfiberof2．22dtex×40mmfornonwovenswaspreparedbyadding0．02%KJ-1bymassfraction，theprocessparametersfluctuatedlittleduringthespinningprocess，andtheservicetimeofthespinneretwas22．8h，thebreakingstrengthofthefiber1．9cN/dtex，theelongationatbreak325．4%，theantibacterialrateagainstEscherichiacoliandStaphylococcusaureusabove99%，andthelong-termantibacterialeffectabove250d．Keywords:polypropylenefiber;nonwovens;antibacterialagent;antibacterialproperty;mechanicalproperties国内外动态2022年我国聚酰胺66切片的进口概况据海关统计，2022年我国聚酰胺66(PA66)切片的进口量为198．5kt，同比下降21．57%;进口金额为83587．69万美元，同比下降14．82%;进口单价为4210．69美元/t，同比增长8．85%。进口主要来自美国、韩国、日本、泰国和新加坡，其中来自美国的进口量为54．5kt，占总进口量的27．46%，同...
