I-PTFEi-high-temperaturefabricisacompositematerialeyakhiwe ngokukhulelisa noma ingilazi enamathelayo i-fiberbasefabriric ene-polytetrafluoroethylene(PTFE).
I-underprolongdedex to thehigh, izimo ze-thermo-oxidative, imisebe ye-ultraviolet, kanye nomshini wokucindezela, ukwakheka kwayo ngaphansi kuyahlehliswa kuyaguquguquka kusuka ku-molecular kuya kuzinga eliphezulu kakhulu.
I.MicrostructuralChangesinthePTFECoating
Ukuwohloka kweketango lamangqamuzana kanye ne-ndoxidation: I-carbon-fluorinemaketango eningi ingaphansi kwesikwele seketango, i-depolymerization, i-andoxidation, umphumela uyancipha ukwehla kwe-molecularweight kanye nokwakheka kwamaqembu e-polar suchascarbonylandcarboxylgroupsatchainends.
Ukushintsha ubukristalu: Izingxenye zamaketango amafushane ngaphansi kwegosecondarycrystallization. Ekuqaleni, ubukristalu bukhuphuka ngendlela engavamile, okubangela ukuthi ukugqoka kube nzima futhi kube kuncane kakhulu.
Ukuwohloka kwe-microscopicmorphology: Ukuwohloka kanye nokuncipha kwenkosikazi yakha imifantu eminingi emincane kanye nezimbobo zeziphini, kwakha iziteshi zokugqwala.Izimo ezingavamile, ubumba obumboziwe obungaphezulu kanye nezinhlayiyana ze-PTFE.
II.Ushintsho LwesakhiwoIngilaziI-FiberSubstrateandInterface
Ukwehluleka ukufaka usayizi/ama-couplingagents: I-Silanecouplingagentororganicsizingagentontheglassfibersurfacedecompose and carbonizeathreaturesighteights first,okubangela ukulahlekelwa kwekhemikhaliibhondi kanye namandla okukhiya okukhiya phakathi kwePTFE kanye nefayibha yengilazi.
I-Interfacialdebondindidemination: Ngemva kokwehluleka kobuso obuhlangene,umehlukoinkwenyama yokwandiswa kwe-coefficientsphakathi kwe-PTFE kanye nengilazi i-fibergenerateratethermalstress,okuholela ekupeyilini nasekuhlukanisekeni kwentokozo esuka endwangu,kuholela ekuqhumeni,i-delamination,izindawo ezimhlophe ezifakiwe.
Ukuwohloka kwefiber yengilazi ngokwayo: Izinga lokushisa eliphezulu lesandanda-alkalineinto ediliza inethiwekhi yengilazi, idala i-micro-cracksonthefibersurface kanye nokufiphala.Ngaleso sikhathi, i-alkalimetaloxide engilazini ifayibha idlula amazinga okushisa angeqile, icindezela ukubola okulimaza ngendlela ephambene nobuso obusheshisa ukukhula.
III.UshintshoIsakhiwo Sezithombe Ezinkulu Nokubukeka
Ukushintsha Umbala: Ingqikithi iyashintsha kancane kancane isuka komhlophe okusuka kumbala wemvelo ubeige, onsundu,oreven black, okuholela ekubeni carbonizationoftheinterfacelayer,ukunamathela kokungcoliswa kwemvelo,nensalela yemikhiqizo esuka ekonakaleni kwePTFE encane.
Ukuzinza kobukhulu nokucaba: Ukwakheka kokushwabana kuyenzeka, ubuso bendwangu bube bulingana, kanye nemiphetho ebomvu.
I-Surfaceroughening: Ukubukeka okubushelelezi kuyanyamalala, futhi ubuso buba nzima futhi bulahlekelwe ukucwebezela kwayo.Izimo ezingavamile, impushana iyabukwa uma ithintwa, ebonisa i-PTFEubumba.
Ukugoqa kwesakhiwo: Impahla ilahlekelwa ngokuphelele ukuguquguquka kanye nokuqhekeka kokugoqeka. Ukugqoka kuhlukana kakhulu nendwangu eyisisekelo, kuholela ekubeni kusebenze konke.
IV.Ingqikithi Yenqubo Yokuguga
Ushintsho olungenhla luhlanganisa inqubo eqhubekayo yokuwohloka'kokuwohloka kokuhlanganisa→ukwehluleka kokuhlangana kobuso→ukonakala kwe-substrate.'I-PTFElose ukuhlala futhi ithuthuke imiklwelwe;ubuso bengilazi be-fiber bushabalala phambi kwefayibha ngokwayo,kuholela ekuchithekeni; ekugcineni; ngokulinganayo,sonke isakhiwo siba sibi,impushana,futhi siyahlakazeka.Ukulawula amazinga okushisa okusebenza,ukugwema ukuthuthumela okushisayokukushisa nokupholisa okushisayo,nokuvikela ukuthintana nesanti ye-asidi ekalikalinesehlisa ngempumelelo le nqubo yokuhlanganisa.
Ulwazi olungenhla luhlinzekwa nguI-JiangsuOKNewMaterialTechnologyCo., Ltd.
Uma ungathanda ukufunda okwengeziwe mayelana nemininingwane ecacisiwe, izimo zohlelo lokusebenza, kanye nokwenza ngendlela oyifisayo izinketho zemikhiqizo yethu egcwele-okuhlanganisa i-PTFEhigh-temperature tape,PTFEhigh-temperaturetape,Teflonhigh -amabhande anomeshi wezinga lokushisa,amabhande angenamthungo anamathelayo,indwangu yohlangothi olulodwa lwePTFE,amabhande okuhambisa ezinga lokushisa eliphezulu,nendwangu yengilazi enezinga lokushisa eliphezulu—sicela uzizwe ukhululekile ukuthintana ngalezi ziteshi ezilandelayo:
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