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24
2018-11

Several Factors Affecting the Quality of PET Separation Membrane

Time of issue: : 2018-11--24
Polyethyleneterephthalate(PET)filmisacommonmaterialusedinadhesive,electronic,die-cutting,printingandotherindustries.ThereisalargemarketdemandinChinaeveryyear.However,duetothebackwardsubstrateandsiliconcoatingtechnology,domesticPETprofilingfilmstillreliesonimportsforhigh-endproducts.ThemainfactorsaffectingthequalityofPETmembraneareasfollows: 1.Substrate:ThesiliconereleaseagentiscoatedonthesurfaceofthePETfilm.Thequalityofthesubstratedirectlyaffectsitsperformance.DomesticPETfilmsubstrateslagbehindforeigncountriesinthicknesscontrolandthermalshrinkage. ResidualAdhesionRate:ResidualAdhesionRatereferstotheforceofseparatingpaperafterthefirstpeelingandthesecondpeeling.Thecalculateddatamainlyreflectthecuringeffectofsiliconeoil. 3.Peelingforce:PeelingforcedirectlyaffectstheperformanceofPETfilm.Thetolerancerangeofpeelingforceingeneralindustrystandardis(+15%).DongguanHongyuanFilmCo.,Ltd.hasbeenengagedinthePETfilmindustryformanyyears.VariouskindsofPETmaterialshaverichexperienceandprofessionaltechnicalcontrol,whichcancontrolthepeelingforcestabilityoftheseparatedfilmverywell. 4.Processingenvironment:Withtheincreasingprogressofvariousproductsandtheimprovementofqualitytechnology,therequirementsforcleanlinessofPETpartingmembranesarebecomingstricterandstricter,especiallyintheelectronicfilmcuttingindustry.DongguanHongyuanFilmCo.,Ltd.nowallproductsareproducedin10,000classdust-freeworkshop,dividedintosections;leadingpeersinquality. Ofcourse,therearemanyfactorsaffectingthequalityofPETseparatingfilminactualproduction.Differentindustries,differentcompaniesanddifferentprocesseshavedifferentrequirementsfortheuseofvariousfilms.DongguanHongyuanFilmCo.,Ltd.hasbeencommittedtoproductqualityimprovement,promotionandapplication.Wewillupholdthetenetof"satisfyingcustomerswithhighqualityproductsandservingcustomerswithsincerereputation",andwholeheartedlyworktogetherwithourcustomerstocreatebrilliancewithexquisitetechnology,exquisitequalityandhonestservice.
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24
2018-11

Classification, Properties and Applications of Polyester Films [PET] - PET Films

Time of issue: : 2018-11--24
ClassificationandPropertiesofPolyesterFilms[PET]Polyesterfilmismadeofhighqualityfibregradepolyesterchip(viscosityis0.64)asthemainrawmaterial,usingadvancedprocessformula,throughdrying,melting,extrusion,castingandstretching.(1)Classificationofmaterialsandconsumingprocessesforconsumingpolyesterfilms Accordingtothedifferentrawmaterialsandstretchingprocessesusedinconsumingpolyesterfilms,theycanbedividedintothefollowingtwotypes:1.Bi-directionallyorientedpolyesterfilm(BOPET)isakindofhigh-gradefilmwithhighstrength,rigidity,transparencyandluster,whichismadebyaddingtitaniumdioxideintotheoriginalpolyesterchip,throughdrying,melting,extrusion,castingandlongitudinalandtransversestretching.BOPETfilmhasthecharacteristicsofhighstrength,goodrigidity,transparencyandhighgloss.Taste,colourless,non-toxic,outstandingstrengthandtoughness;itstensilestrengthisthreetimesthatofPCfilmandnylonfilm,impactstrengthisthreetofivetimesthatofBOPPfilm,withexcellentwearresistance,foldingresistance,pinholeresistanceandtearresistance;thermalshrinkageisverysmall,at120C,shrinkageisonly1.25%after15minutes;ithasgoodantistaticpropertyandeasytostop.VacuumaluminiumplatingcancoatPVDC,thusimprovingitsheatsealing,barrierandprintingadhesion;BOPETalsohasgoodheatresistance,excellentcookingresistance,lowtemperaturefreezingresistance,goodoilresistanceandchemicalresistance.Exceptfornitrobenzene,chloroformandbenzylalcohol,mostofthechemicalsinBOPETfilmcannotdissolveit.Therefore,itisofuniversaluse.
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