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1、ABS塑料制品表面前处理与涂装工艺探讨ABSplasticsurfacepretreatmentandcoatingprocess一Chinarecycledplasticnetwork一plasticrecycling一NetEaseblogSize:medium,medium,smallDiscussiononsurfacepretreatmentandcoatingprocessofABSplasticproducts—China，srecycledplasticnetwork1.9.1PrefaceMotorcycle(Scooter)aboveapp
2、earaneedecoration80%ismadeofABSplasticproducts,sothecoatingqualitydirectlyaffectthemarketcompetitivenessofmotorcycle・Inthispaper,thepretreatmentandcoatingprocessofABSplasticproductsareintroduced,andsomespecialrequirementsforpretreatmentandcoatingofABSplasticsareanalyzedanddiscussed・
3、1.9.2surfacecharacteristicsABS(acrylonitrile,butadieneandstyrenecopolymerthreeyuan)isathermoplasticresinplastic,hashighmechanicalstrengthandgoodprocessingperformance,butitslowhardness,weatherability,poorsolventresistanee,canbeimprovedbytwotimestheprocessingofplasticsurfaces・Coatingi
4、soneoftheimportantmethodsofplasticsurfacetwotimesprocessing・ABSplasticcoatingadhesioneffectisnotgood,oftenloselightontheproblem,themainreasonisthatthesurfacetension(lessthanlOOmN/cm),solubilityparameterdifferencesbetweentheresinandthesolventsolubilityparametersandcoatinginlargeinter
5、nalstressgeneratedinthemoldingiseasytoproducecracksorreduceglosscoatingfilmdefectssuchassurfacetheelectrostaticadsorptionanddust,affectsthecoatingeffect・1.9.3surfacepretreatmentOilplasticsurfacewillgreatlyreducetheadhesionofcoatingscontainingremoveroil(stearicacidsalt,waxandpolyviny
6、lalcohol),additives(plasticizer,lubricant,antistaticagent,anti-agingagent,flameretardant),other(lubricatingoil,dust,etc・)・1.9.3.1processingmethod(1)manualsmearmethodThisprocessisverylaborintensiveandisusuallyusedinlowproductionconditions・Handwipethemanyills,duetoartificialreasons,le
7、adingtounstablequality,wipingthedirtyclothhasleadtoplasticsurfaceandsolventontheoperatoragainpollution,harmful,environmentalpollution.(2)thesolventvapordegreasingmethodcaneffectivelyremovetheweakinterfacelayersuchasoilstain,strippingagent,antistaticagentandsoon,soastomakethesurfacec
8、oarseandporous,thus
