Loluphi utshintsho lwesakhiwo olwenzeka kwilaphu le-PTFE lobushushu obuphezulu ngexesha lokuguga?

I-PTFEubushushu obuphezulu befabricisacompositematerialeyenziwe ngokumitha okanye icoating glassfiberbasefabriric withpolytetrafluoroethylene(PTFE).

Ubushushu obungaphantsi kobude obungaphantsi kobushushu obuphezulu, iimeko ze-thermo-oxidative, imitha ye-ultraviolet, kunye ne-mechanicalstress, ulwakhiwo lwalo ngaphantsi luyaguquguquka oluguquguqukayo ukusuka kwi-molecular tothemacroscopiclevel.

I.Microstructural ChangesinthePTFECoating

Ukonakaliswa kwetsheyina leMolekyuli kunye nokudityaniswa: Ikhabhoni-ifluorinemaintyantyana iphantsi kwescission, i-depolymerization, i-andoxidation, isiphumo sokuncipha kwe-molecularweight kunye nokwakheka kwamaqela epolarsuchascarbonylandcarboxylgroups alandelayo.

Ukutshintsha ubukristale: Amacandelwana amakhonkco amafutshane ngaphantsi kwegosecondarycrystallization. Kwinqanaba lokuqala, icrystallinity iyanyuka ngokungaqhelekanga, ibangela ukuba intuthuko ibenzima kwaye ibencinci kakhulu.

Ukuwohloka kwe-microscopicmorphology: Ukuncipha kunye nokushwabana kwestress kuvelisa iintanda ezininzi ezincinci kunye nemigqomo yeepina, ukwenza imijelo yokubola.

II.Ukutshintsha koLwakhiwo kwiGlassFiberSubstrateand Interface

Ukusilela ekufakeni umlinganiselo/ukudibanisa izinto: I-Silanecouplingagentororganicsizingagentsonthe glassfibersurface decompose and carbonizeefightempersfiberskuqala,okubangela ukuphulukana kweekhemikhaliibhondi kunye noomatshini bokudityaniswa kunyanzeliso phakathi kwePTFEkunye nefayibha yeglasi.

I-Interfacialdebondinganddelamination: Emva kokusilela kobuso,umahluko phakathi kwe-PTFEkunye neglasi yefibergenerate-thermalstress,ekhokelela ekupelweni kunye nokwahlulwa kwelaphu,isiphumo sokudayibilika,indawo ezimhlophe ezidityanisiweyo.

Ukuthotywa kwefiber yeglasi ngokwayo: Ubushushu besanti yekaliyineinto eyonakalisa inethiwekhi yeglasi, ibangela imicro-cracksonthefiberubuso kunye nokuthotywa kwefiber.Ngeli xesha, ialkalimetaloxide kwiglasi ifayibha igqithisa amaqondo obushushu anzima, ibangela ukubola kwestresi eyonakalise ngokuphambeneyoubuso obunyusa isantya.

III.UkutshintshaUlwakhiwo olukhulu kunye nenkangeleko

Ukutshintsha kombala: Isixhobo sitshintsha ngokuthe ngcembe ukusuka komhlophe kumbala wendalo tobeige, omdaka, oreven omnyama, okuphuma kwikhabhoni ye-interfaciallayer, ukuncamatheliswa kwezingcoliso eziphilayo, kunye neemveliso ezishiyekileyo ezisuka kuncipheko oluncinci lwePTFE.

Uzinzo lobungakanani kunye nokuthanjiswa: Ukucutheka ukumila kuyenzeka, ubuso belaphu buba bulingane, kunye ne-edgescurl.

Ukulungiswa komphezulu: Imbonakalo egudileyo iyalahleka, kwaye ubuso buba rhabaxa kwaye buphulukene neglosi.Iinseverecases,umgubo uyajongwa xa ungabanjwanga,ubonisa PTFEumgubo.

Ukudilika koLwakhiwo lweMechanical: Umxholo ulahleka ngokupheleleyo ukuba bhetyebhetye kunye nokuqhawuka kokusonga.

IV.Ukubaluleka kweNkqubo yokuGuga

Olu tshintsho lungentla lubandakanya inkqubo eqhubela phambili'yokonakaliswa kobuso→ukusilela kokudibana kobuso→udidi olungaphantsi.'i-PTFEilahleka ukuhlala kwaye iphuhlise amathanda ngokulinganayo, ulwakhiwo luphela luba ludaka, umgubo, kwaye luyaqhekeka. Ukulawula ubushushu bokusebenza, ukuphepha ukothuka okushushu kubushushu obutshisayo kunye nokupholisa, kwaye uthintele ukunxibelelana nesandanti ye-asidi ekalisiweyo ngokufanelekileyo yehlise ukwehla lenkqubo yolwakhiwo.

Olu lwazi lungentla lunikezelwe nguJiangsuOKNewMaterialTechnologyCo.,Ltd.

Ukuba ungathanda ukufunda ngakumbi malunga neenkcukacha ezicacileyo, iinkqubo zesicelo, kunye nokwenza ukhetho oluqhelekileyo kwiimveliso zethu ezigcweleyo-kuquka i-PTFEhigh-lobushushu obuphezulu,PTFEiteyipu yobushushu obuphezulu,Teflonhigh -amabhanti eemesh ezinobushushu obuphezulu,i-seamlessbeltingforadhesivepresses,icala elinye-PTFEfabric,i-high-temperatureconveyorbelts,kunye nelaphu le-high-temperature yefiberglass-nceda uzive ukhululekile ukuqhagamshelana ngale mijelo ilandelayo:

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