PC/CFH2020PPˉBB108E-1199LLDPE中石化茂名DNDA-7120PBT2302-GV1/20ABS日本东丽100G-10PA66SE30CPC上海三菱***S-3000VRPC3027U(M1)POMN2650-Z2LEVTPUˉA85D4968PA66ˉCM3004-V0POM/SX-35/TPV201-68W228TPV201-68W228PMMA日本三菱丽阳IRD-70PCIV1900RPCB-4330RPCD7001IXHPBTˉKP213G20WBLPBTˉKU2-7615PP/R520YPP/SB-740DPC945PCˉ55N5006PA6ˉV-15POMTC3030-PA12/PA2072POMF20-03E9000PPSA503-F1TPUˉTE85AAPCBL2-4PA66/A3HG2LDPE中石油大庆2426FPA66美国杜邦MT409AHS-BKPA61024FD-1PPˉH20E-00ASA/XTPMFR10PPO340WPA46日本D***TW200B6BKTPU95ATPU/59600RPCCFH2020PA6LS950PVC日本钟渊EL-31PPGHPP-362TPA46/TW200F8TPV/181-57W180PP/HD800CF-11PPˉ7603BˉPPˉ3764PPSR-4-222NAPBT美国杜邦SK645FRNC010PA66ˉRB004PCKG-10MRAPA66惠州南亚6210G9PPC600MEPA6ˉPB202G50ABSsurfacepretreatmentisnecessarytopretreattheplasticsurfacebeforepainting,inordertoimprovetheadhesionofthecoatingonthesurfaceoftheplasticandimprovetheappearanceoftheplastic.(1)whenannealedplasticABSisformed,itiseasytoforminternalstressandeasytocrackatthestressconcentrationaftercoating.Annealingorsurfacetreatmentcanbeusedtoeliminatestress.AnnealingtreatmentistoheattheABSplasticmoldingpartsbelowthethermaldeformationtemperature,thatis,60degreescentigrade,andheatpreservation2H.Inordertoreduceinvestmentinequipment,thewholesurfacetreatmentcanbeusedtoimprovethesurfacecondition.TheformulationandprocessofthewholesurfacetreatmentarelistedinTable1.Table1wholesurfacetreatmentformulaandprocessparameters/1water/3temperature/temperature/Croomtemperaturetreatmenttime/mi15-20(2)oilremovalABSplasticpartsareoftencontaminatedwithoil,handsweatanddemouldingagent,whichwillmaketheadhesionofthecoatingworse,thecoatingproducescracking,foamingandshedding.Oilremovalshouldbecarriedoutbeforecoating.ABSplasticpartsareusuallycleanedwithgasolineoralcoholandthenchemicaldegreasing.TheprocessformulaislistedinTable2.Table2theresidualalkalinesolutiononthesurfaceoftheworkpieceshouldbethoroughlycleanedaftertheprocessparametersofsodiumhydroxide(S/L)sodium50~70phosphate(S/L)20~30sodiumcarbonate(S/L)10~20surfaceactiveagent(S/L)5~10temperature/50~60treatmenttime/min10to15chemicaloil,andcleanedwithpurewater***,dryingordrying.(3)electricalanddustremovalplasticproductsareinsulators,andthesurfaceresistanceisgenerallyaround1013ohms,whichiseasytogeneratestaticelectricity.Aftercharged,itiseasytoadsorbtinydustintheairandsticktothesurface.Itisverydifficulttoremovedustfromelectrostaticadsorptionbygeneralblowingmethod.Highpressureionizedairflowhasgoodeffectinadditiontoelectrostaticprecipitator.TPV热塑性三元乙丙动态硫化弹性体/橡胶的主要性能：TPV易于焊接、可重复使用、环保***。TPV热塑性三元乙丙动态硫化弹性体/橡胶的主要特点：1、优异的抗老化性能和良好的耐候、耐热性能；2、优异的抗yong久变形性能；3、优异的抗张强度、高韧性和高回弹性；4、优异的环保性能和可重复使用；5、优异的电绝缘性能；6、硬度范围广泛；7、使用温度范围广泛；8、颜色多样化，有全透明、半透明、浅色系列，着色容易，容易加工成型；9、可与PP、PA、PC‖、ABS、PS、PBT、PET等多种材料共***或挤出成型。TPV8221-60、TPV203-50、TPV281-45MED、TPV281-55MED、TPV281-64MED、TPV281-73MEDTPVthermoplasticthreeethylenepropylenedynamicallyvulcanizedelastomer/rubbermainproperties:TPViseasytoweld,reusable,environmentallyfriendlyandnon-toxic.TPVthermoplasticthreeEPRdynamicvulcanizedelastomer/rubbermaincharacteristics:1,excellentanti-agingpropertiesandgoodweatherresistance,heat-resistantperformance;2,excellentresistancetoYonglongdeformationproperties;3,excellenttensilestrength,hightoughnessandhighresilience;4,excellentenvironmentalprotectionandreusable;5,excellentelectricalinsulation6,6,awiderangeofhardness;7,awiderangeofusetemperature;8,colordiversity,transparent,translucent,lightcolorseries,easycoloring,easytoprocessmolding;9,canbeusedwithPP,PA,PC,ABS,PS,PBT,PETandothermaterialscoinjectionorextrusionmolding.TPV8221-60,TPV203-50,TPV281-45MED,TPV281-55MED,TPV281-64MED,TPV281-73MED化学改性的常用方法：一种是以被改性的树脂单体为一元，改性单体为另一元，在反应釜内进行接枝共聚并获得新的共聚物；第二种方法是将被改性树脂作为主要原料，通过增加树脂分子中的极性元素对其进行有效的改性。Thecommonmethodsofchemicalmodificationare:oneisoneelementofthemodifiedresinmonomer,themodifiedmonomerisanother,graftcopolymerizationinthereactionkettleandanewcopolymer.Thesecondmethodistomodifythemodifiedresinasthemainrawmaterialbyincreasingthepolarelementintheresinmolecule.聚丙烯广泛用于塑料管材的生产，但PP是一种抗老化性能差的材料，为了改善PP的性能，通过化学改性方法发明了PP-B和PP-R树脂。Polypropyleneiswidelyusedintheproductionofplasticpipes,butPPisakindofpooranti-agingmaterial.InordertoimprovetheperformanceofPP,PP-BandPP-Rresinh***ebeeninventedbychemicalmodification.PP-B树脂是丙烯和乙烯的嵌段共聚物。合成丙烯-乙烯嵌段共聚物要用两个聚合反应釜PP-Bresinisablockcopolymerofpropyleneandethylene.TwopolymerizationreactorsforthesynthesisofpropyleneethyleneblockcopolymersPA66对许多溶剂具有抗溶性，但对酸和其它一些氯化剂的抵抗力较弱。PA66isresistanttomanysolvents,butislessresistanttoacidsandotherchlorinatedagents.工艺条件processconditi***干燥处理：如果加工前材料是密封的，那么就没有必要干燥。然而，如果储存容器被打开，那么建议在85℃的热空气中干燥处理。如果湿度大于0.2%，还需要进行105℃，12小时的真空干燥。熔化温度：260~290℃。对玻璃添加剂的产品为275~280℃。熔化温度应避免高于300℃。模具温度：建议80℃。模具温度将影响结晶度，而结晶度将影响产品的物理特性。对于薄壁塑件，如果使用低于40℃的模具温度，则塑件的结晶度将随着时间而变化，为了保持塑件的几何稳定性，需要进行退火处理。***压力：通常在750~1250bar，取决于材料和产品设计。Drying:ifthematerialissealedbeforeprocessing,thereisnoneedtodry.However,ifthestoragecontainerisopened,itisrecommendedtodryat85Chotair.Ifthehumidityisgreaterthan0.2%,thevacuumdryingat105Cand12hoursisrequired.Meltingtemperature:260~290C.Theproductofglassadditiveis275~280C.Themeltingtemperatureshouldbe***oidedabove300degreesC.Moldtemperature:recommended80degreesC.Themoldtemperaturewillaffectthecrystallinity,andthecrystallinitywillaffectthephysicalcharacteristicsoftheproduct.Forthin-walledplasticparts,ifthemoldtemperaturebelow40degreesisused,thecrystallinityoftheplasticpartswillchangewithtime.Inordertomaintainthegeometricstabilityoftheplasticparts,theannealingprocessisneeded.Injectionpressure:usuallyin750~1250bar,dependingonmaterialandproductdesign.***速度：高速（对于增强型材料应稍低一些）。高性能PC‖/ABSA2200合金材料具有高抗冲击、优良的耐候性和亚光效果，可应用于车载音响和DVD系统、汽车仪表板等部件。电镀级PC‖/ABSA2200MP具有杰出的电镀效果和良好的耐低温性能，可应用于汽车把手等电镀部件。Injectionspeed:highspeed(forenhancedmaterialshouldbeslightlylower).HighperformancePC/ABSA2200alloymaterialhashighimpactresistance,excellentweatherabilityandsublighteffect.Itcanbeusedinvehicleaudio,DVDsystem,vehicledashboardandothercomponents.ElectroplatedgradePC/ABSA2200MPhasexcellentelectroplatingeffectandgoodlowtemperatureresistance.Itcanbeappliedtoelectroplatingpartssuchascarhandles.注意事项：/PC‖塑料成型过程问题Note:/PCplasticsmoldingprocessproblem??产生原因及解决办法CausesandSoluti***??1、银丝1,silversilk??a、原材料受潮————干燥原料A,rawmaterialsaredampened-dryrawmaterials??b、树脂过热分解————减低成型温度B,superheateddecompositionofresin--reducingmoldingtemperature??c、螺杆压缩比小，背压不足————增加背压C,screwcompressionratiois***all,backpressureisinsufficient--increasebackpressure.??d、模温过低————加热模具D,lowmoldtemperature--heatingdie??e、排气不良————模具分型面开排气槽Eandpoorexhaust--theexhaustmanifoldofthemoldpartingsurfaceEVA405SA-CPP/1063L1PC日本出光URC2505EW1269TTPETP0CDZPEI2212-1000PPˉHP554NˉPPS/A575W20PA6PX08000)