拜耳公司塑料加工应用技术简介-豆柴文库

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拜耳公司塑料加工应用技术简介
Introduction
BayerAGisaGerman-basedmultinationalchemicalcorporationthatproducesawiderangeofproducts,includingplasticsforvariousapplications.Thecompanyhasseveraldecadesofexperienceintheplasticprocessingindustry,anditsinnovativetechnologieshavehelpedtodrivethegrowthanddevelopmentofthisindustry.ThispaperaimstoprovideanoverviewoftheplasticprocessingtechnologyusedbyBayerAGanditsvariousapplications.
PlasticProcessingTechnology
TheBayerGrouphasseveralplasticprocessingtechnologies,includingextrusion,injectionmolding,blowmolding,thermoforming,androtationalmolding.Eachofthesetechnologieshasitsuniqueapplication,andtheyareusedtomakeawiderangeofplasticproductssuchasbottles,containers,bags,toys,householditems,automotivecomponents,andmedicaldevices.
Extrusion
Extrusionisaplasticprocessingtechnologythatinvolvesmeltingplasticpelletsandpushingthemoltenmaterialthroughadie.Thediecreatesaparticularshapefortheproduct,suchasatubeorsheet.Extrusioniscommonlyusedtoproduceplasticpipes,windowframes,andpackagingmaterialslikeclingfilmandbubblewrap.
InjectionMolding
Injectionmoldingisaplasticprocessingtechnologythatinvolvesheatingplasticpelletstoamoltenstateandtheninjectingthemoltenmaterialintoamoldunderhighpressure.Themoldthencools,andtheplasticsolidifiestocreateafinishedproduct.Injectionmoldingiscommonlyusedtoproducetoys,automotiveparts,andmedicaldevices.
BlowMolding
Blowmoldingisaplasticprocessingtechnologythatinvolvesheatingplasticpellets,formingthemintoaparison(hollowtube),andthenstretchingandblowingtheparisonintothedesiredshapeusingcompressedair.Blowmoldingiscommonlyusedtoproducebottles,containers,andotherhollowshapes.
Thermoforming
Thermoformingisaplasticprocessingtechnologythatinvolvesheatingasheetofplasticuntilitispliable,andthendrapingitoveramold.Themoldthencools,andtheplasticsolidifiesintothedesiredshape.Thermoformingiscommonlyusedtoproduceplastictrays,foodpackaging,andvariousotherproducts.
RotationalMolding
Rotationalmolding(alsoknownasrotomolding)isaplasticprocessingte