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

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

Ubushushu obungaphantsi kobude obungaphantsi kobushushu obuphezulu, iimeko ze-thermo-oxidative, imitha ye-ultraviolet, kunye ne-mechanicalstress, ulwakhiwo lwalo ngaphantsi luyahlehliswa luguquguqukayo ukusuka kwimolekyuli ukuya kwinqanaba elincinane lobushushu.

I.Microstructural ChangesinthePTFECoating

Ukonakaliswa kwetsheyina lemolekyuli kunye nokudityaniswa: Ikharbhon-ifluorinemaintyantyana iphantsi kwescission, i-depolymerization, i-andoxidation, isiphumo siyancipha ukuncipha kwe-molecularweight kunye nokwakheka kwamaqela epolarsuchascarbonylandcarboxylgroups alandelayo.

Ukutshintsha ubukristale: Amacandelwana amakhonkco amafutshane ngaphantsi kwegosecondarycrystallization. Kwinqanaba langaphambili, ubukristale bukhula ngokungaqhelekanga, bubangela ukuba inkuntyula ibenzima kwaye ibhubhe ngakumbi.

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

II.Utshintsho lwesakhiwo seGlassISubSubstrateandInterface

Ukusilela ekufakeni umlinganiselo/ukudibanisa izinto ezidibanisayo: I-Silanecouplingagentororganicsizingagentsonthe glassfibersurface decompose and carbonizeefightemperatures first,okubangela ukuphulukana kweekhemikhaliibhondi kunye noomatshini be-interlockingforces phakathi kwe-PTFEkunye nefayibha yeglasi.

I-Interfacialdebondindidemination: Emva kokusilela kokudibana kobuso,umahluko phakathi kwe-PTFE kunye neglasi ye-fibergenerate-thermalstress, ekhokelela ekupelweni kunye nokwahlulwa kwengubo kwilaphu,isiphumo sokudayibilika,i-delamination,iindawo ezimhlophe ezifakiweyo.

Ukuthotywa kwefiber yeglasi ngokwayo: Ubushushu besanti yekaliyineinto eyonakalisa inethiwekhi yeglasi, ibangela imicro-cracksonthefibersurface andembrittlement.Okwakalokunje,ialkalimetaloxide kwiglassifiber igqithisa amaqondo obushushu alula,ibangela ukubola kwestresi eyonakalise ngokuphambeneyoubuso obunyusa isantya.

III.UkutshintshaUlwakhiwo olukhulu kunye nenkangeleko

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

Ukuzinza komlinganiselo kunye nokuthanjiswa: Ukucutheka ukumila kuyenzeka, ubuso belaphu bube bulingana, kunye ne-edgescurl.

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

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

IV.Ukubaluleka kweNkqubo yokuGuga

Olu tshintsho lungentla luquka inkqubo eqhubela phambili'yokonakaliswa kobuso→ukusilela kokudibana kobuso→udidi olungaphantsi.'PTFElosesinertness and developscracks; the glassfiberinterface itshabalalisiwe phambi kwefayibha ngokwayo, ekhokelela ekupheliseni; ngokulinganayo, ulwakhiwo luphela luba ludaka, umgubo, kwaye luyaqhekeka. Ukulawula ubushushu bokusebenza, ukuphepha ukothuka okushushu okutshisa okutshisa kunye nokupholisa, kunye nokuthintela ukudityaniswa nesandanti ye-asidi ekalisiweyo ithoba ngokufanelekileyo le nkqubo yolwakhiwo.

Olu lwazi lungentla lunikezelwe nguJiangsuOKNewMaterialTechnologyCo.,Ltd.

Ukuba ungathanda ukufunda ngakumbi malunga neenkcukacha ezicacileyo, iimeko zezicelo, kunye nokwenza ukhetho ngokwesiko kwiimveliso zethu ezigcweleyo—kuquka i-PTFE iteyiphu yobushushu obuphezulu, iTeflonhigh -amabhanti eemesh ezinobushushu obuphezulu,i-seamlessbeltingforadhesivepresses,icala elinye-PTFEfabric,i-high-temperatureconveyorbelts,kunye ne-high-temperaturefiberglass Fabric-nceda uzive ukhululekile ukuqhagamshelana ngale mijelo ilandelayo:

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