Iteyiphu yefilimu ye-PTFE , ekwaziwa ngokuba yi-PTFE ifilimu yokuncamathelisa iteyiphu okanye iteyiphu yeTeflon, eneneni iyaxhathisa iikhemikhali. Le propati ephawulekayo ivela kwi-molecular structure ye-polytetrafluoroethylene (PTFE), eyenza ibhondi eqinile ye-carbon-fluorine. Olu nxulumano ludala umqobo okhuselayo kuluhlu olubanzi lweekhemikhali, kuquka i-acids, i-alkalis, i-solvents, kunye nezinto ezidliwayo. Ukumelana nemichiza yefilimu ye-PTFE iyenza ibe yimathiriyeli exabiseke kakhulu kumashishini ahlukeneyo, ukusuka kulungiso lweekhemikhali ukuya kumayeza. Ikhono layo lokumelana neekhemikhali ezinobungozi ngaphandle kokuthotywa okanye ukukhulula izinto ezinobungozi ziqinisekisa ukhuseleko kunye nokuthembeka kwizicelo ezibalulekileyo. Nangona kunjalo, kubalulekile ukuqaphela ukuba ngelixa i-PTFE ifilimu yefilimu ibonisa ukuxhathisa okukhethekileyo kweekhemikhali, ayithinteki ngokupheleleyo kuzo zonke izinto, kwaye ukuhambelana kweekhemikhali ezithile kufuneka kuqinisekiswe kwisicelo ngasinye.
![Iteyiphu yefilimu ye-PTFE]()
ISayensi eNgemva kwePTFE yeFilimu yeTape yokuNchasa kwiMichiza
Ulwakhiwo lweMolekyuli ye-PTFE
I-PTFE's uxhathiso olungaqhelekanga lweekhemikhali lusuka kulwakhiwo olulodwa lweemolekyuli. Ipolymer iqulathe umqolo wekhabhoni ogcwele ngokupheleleyo iiathom zefluorine. Eli lungiselelo lenza ubume obuzinze ngendlela emangalisayo, kunye neeathom zefluorine zenza isheath ekhuselayo ejikeleze ikhonkco lekhabhoni. Amandla ebhondi ye-carbon-fluorine yenye yezona zinto zinamandla kwi-organic chemistry, igalelo kwi-PTFE's inertness kunye nokuchasana nokuhlaselwa kweekhemikhali.
IiPropati eziNgenantonga kunye nokungaPhambi kweMichiza
Iipropathi ezinganamatheli kwiteyiphu yefilimu ye-PTFE zidlala indima ebalulekileyo ekuxhathiseni kwayo imichiza. Amandla omgangatho ophantsi wemathiriyeli athintela uninzi lwezinto ekubambeni okanye ekungeneni kumphezulu wayo. Olu phawu, ludityaniswe nokungangeni kwemichiza ye-PTFE, kuthetha ukuba neekhemikhali ezisebenzayo kakhulu ziyasokola ukuqalisa ukusabela ngomphezulu weteyiphu. Ngenxa yoko, iiteyiphu encamathelayo yefilimu ye-PTFE igcina ingqibelelo yayo kwindawo apho ezinye izinto ziya kuthotywa ngokukhawuleza.
Uzinzo lobushushu kunye nokumelana neMichiza
Ukuxhathisa kweekhemikhali kwe-PTFE yongezwa ngakumbi ngozinzo lwayo lobushushu obuchukumisayo. Izinto eziphathekayo ziyakwazi ukumelana namaqondo okushisa ukusuka -268 ° C ukuya kwi-260 ° C ngaphandle kokuthotywa okukhulu. Oku kuzinza kwe-thermal kuqinisekisa ukuba ifilimu yefilimu ye-PTFE igcina ukuchasana kweekhemikhali nakwiimeko zemichiza ephezulu yokushisa, apho ezinye izinto ezinokuthi ziphule okanye zibe sengozini yokuhlaselwa kweekhemikhali. Abavelisi beteyiphu yeTeflon bahlala beqaqambisa le ndibaniselwano yekhemikhali kunye nokumelana nobushushu njengendawo ephambili yokuthengisa iimveliso zabo.
Izicelo eziSebenzisa iPTFE Film Tape's Resistance Chemical
Ishishini lokuLungisa imichiza
Kwishishini lokulungisa imichiza, iiteyiphu yefilimu ye-PTFE ifumana ukusetyenziswa kakhulu ngenxa yokumelana kwayo neekhemikhali ezikhethekileyo. Isetyenziswa ekutywineni izicelo zeetanki zokugcina imichiza, ii-reactors, kunye nemigca yokudlulisa. Ukukwazi kweteyiphu ukumelana neekhemikhali ezinobundlobongela kuqinisekisa ukusebenza okuvuzayo kwaye kuthintele ungcoliseko. Iteyiphu yokuncamathelisa ifilimu ye-PTFE ikwasetyenziselwa ukujongisa iivalvu kunye nezixhobo, inika umaleko owongezelelweyo wokhuseleko kwizinto ezidlekayo. Ubume bayo obungaguqukiyo buyenza ibe yinto efanelekileyo kwizicelo apho ukucoceka kwemveliso kubaluleke kakhulu.
Uveliso lwezamayeza
Ishishini loxubo mayeza lithembele kakhulu kwi -PTFE film tape ukumelana neekhemikhali kunye nokuhambelana kwegumbi. Kwiinkqubo zokwenziwa kweziyobisi, apho ungcoliseko oluncinci lunokuba yintlekele, iteyiphu ye-PTFE isebenza njengesithintelo esithembekileyo ngokuchasene nokusebenzisana kweekhemikhali. Isetyenziswa kwiindawo ezingcolileyo zokutywina, ukufakwa kwe-lining, kunye nokugquma izinto ezahlukeneyo zezixhobo zemveliso. Ukuchasana kweteyiphu kwi-solvents kunye nee-agent zokucoca kwakhona kwenza ukuba ilungele ukusetyenziswa kwiindawo eziphantsi kweenkqubo zokuvala inzala rhoqo.
I-Aerospace kunye ne-Automotive Industries
Kwi-aerospace kunye ne-automotive applications, i-PTFE film tape ukumelana neekhemikhali kubaluleke kakhulu. Isetyenziswa kwiinkqubo zamafutha, imigca yehydraulic, kunye nezinye izinto ezivezwe kwiikhemikhali ezirhabaxa kunye nezinyibilikisi. Ikhono le-tape lokumelana nezi zinto ezinobundlobongela ngelixa ligcina iimpawu zalo zomzimba liqinisekisa ukuthembeka kwexesha elide kunye nokhuseleko. Abavelisi beeteyiphu zeTeflon bahlala bevelisa amabakala akhethekileyo kula mashishini, elungiselelwe ukumelana namafutha athile, izithambiso, kunye nolwelo olusebenza ngoxinzelelo lwendalo olusetyenziswa rhoqo kwiinqwelomoya nakwizithuthi.
Unyino kunye neNgqwalaselo ye-PTFE Film Tape's Resistance Chemical
Ubume beMichiza egqithisileyo
Ngelixa itheyiphu yefilimu ye-PTFE iqhayisa ngokuxhathisa iikhemikhali, ayinamandla kuzo zonke izinto. Ezinye iikhemikhali ezisebenza kakhulu, ezifana ne-elemental fluorine, i-chlorine trifluoride, kunye neentsimbi ezinyibilikisiweyo zealkali, zinokuthoba i-PTFE. Kwizicelo ezibandakanya ezi zinto zigqithisileyo, ezinye izixhobo okanye amanyathelo okhuseleko ongezelelweyo anokufuneka. Kubalulekile ukuba abasebenzisi badibane nabanikezeli beteyiphu encamathelayo yefilimu ye-PTFE okanye benze iimvavanyo zokuhambelana xa besebenza ngeekhemikhali ezingaqhelekanga okanye ezinobundlobongela.
Uxinzelelo lweMechanical kunye noKunyangwa kweMichiza
Ukuxhathisa imichiza ye-PTFE ifilimu tape inokuphazamiseka xa izinto eziphathekayo ziphantsi koxinzelelo olubalulekileyo lomatshini. Uxinzelelo oluphezulu, i-abrasion, okanye i-flexing ephindaphindiweyo inokuthi ikwazi ukudala i-micro-fissures kwindawo ye-tape, ukubonelela ngeendlela zokuhlaselwa kweekhemikhali. Kwizicelo apho zombini ukuxhathisa kweekhemikhali kunye namandla omatshini afunekayo, iiteyiphu zePTFE ezomeleziweyo okanye imathiriyeli edibeneyo inokufaneleka ngakumbi. Abavelisi beteyiphu yeTeflon bahlala benikezela ngoluhlu lweemveliso ezenzelwe ukulungelelanisa ukuxhathisa imichiza kunye neempawu zomatshini kwiimeko ezithile zokusetyenziswa.
Ixesha elide lokuSebenza kweziphumo
Ngelixa itheyiphu yefilimu ye-PTFE ibonisa ukuxhathisa kweekhemikhali zexesha elifutshane, iziphumo zokuvezwa ixesha elide kwizinto ezithile kufuneka ziqwalaselwe. Ngexesha elongeziweyo, ezinye iikhemikhali zinokubangela utshintsho olufihlakeleyo kwiipropati zeteyiphu, ezifana nokuvuvukala okuncinci okanye utshintsho lokuguquguquka. Ezi ziphumo, ngelixa zihlala zincinci, zinokuchaphazela ukusebenza kweteyiphu kwizicelo ezibalulekileyo. Ukuhlolwa rhoqo kunye neeshedyuli zokutshintshwa kufuneka ziphunyezwe kwiindawo apho i-PTFE ifilimu yefilimu ibonakaliswe kwiikhemikhali ngokuqhubekayo kwixesha elide.
Ukuqukumbela
Ukuxhathisa okumangalisayo kweteyiphu yefilimu ye-PTFE kuyenza ibe yimathiriyeli eyimfuneko kuwo wonke amashishini awohlukeneyo. Isakhiwo sayo esikhethekileyo se-molekyuli sibonelela ngokhuseleko oluqinileyo ngokuchasene noluhlu olubanzi lweekhemikhali, ukuqinisekisa ukuthembeka kunye nokhuseleko kwiindawo ezinzima. Nangona kubalulekile ukuqaphela imida yayo kwiimeko ezinzima, i-PTFE ifilimu yokuncamathela ifilimu iyaqhubeka ibe sisisombululo sokuya kwizicelo ezifuna ukuxhathisa imichiza. Njengoko iteknoloji iqhubela phambili, abavelisi beeteyiphu zeTeflon banokuphuhlisa ngakumbi iindlela ezikhethekileyo nezixhathisayo, bandise ngakumbi okunokwenzeka kwesi sixhobo sisebenza ngeendlela ezininzi.
Qhagamshelana nathi
Kwiteyiphu yefilimu ye-PTFE ekumgangatho ophezulu kunye nesikhokelo seengcaphephe kwizisombululo ezixhathisa iikhemikhali, ukuthembela Aokai PTFE . Uluhlu lwethu olubanzi lweemveliso ze-PTFE, kubandakanywa amalaphu agqunywe nge-PTFE kunye neeteyiphu ezincamathelayo, ziyilelwe ukuhlangabezana nezona zicelo zemizi-mveliso zifuna kakhulu. Fumana izibonelelo zokuxhathisa iikhemikhali eziphezulu kunye nokuqina okungahambelaniyo. Qhagamshelana nathi namhlanje ku mandy@akptfe.com ukuxoxa ngeemfuno zakho ezithile kwaye ufumanise ukuba izisombululo zethu zePTFE zinokuyiphucula njani imisebenzi yakho.
Iimbekiselo
Ijenali yeFluorine Chemistry. 'Ukunyangwa kweMichiza yeeFluoropolymers: Uphononongo oluBanzi.' Umqu. 245, iphepha 108-125, 2021.
Inzululwazi yeZizinto kunye nobuNjineli: R: Iingxelo. 'Inkqubela phambili yakutsha nje kwi-PTFE-Isekwe kwiZixhobo eziDityanisiweyo zosetyenziso lwezoShishino.' Vol. 140, Inqaku 100544, 2020.
Uphando lweKhemistri yezoShishino kunye nobuNjineli. 'Uphononongo lokuThelekisayo malunga nokuNchasana kweMichiza yeefilimu ezahlukeneyo zeFluoropolymer.' Umqu. 59, No. 15, iphepha 7012-7024, 2020.
Ubunjineli bePolymer kunye neNzululwazi. 'Impembelelo yoxinzelelo loomatshini ekuchaselweni kwemichiza yeefilimu ze-PTFE.' Umqu. 61, uMgaqo 8, iphepha 2145-2157, 2021.
ISayensi yoMphezulu eSetyenzisiweyo. 'Ubume boMphezulu beFilimu zePTFE eziBekelwe kwiNdawo yokuSingqongileyo yeXesha eLide yeMichiza.' Umqu. 537, Inqaku 147841, 2021.
I-Tribology International. 'iiPropati zoMchiza kunye nezoomatshini ze-PTFE-IiTeyipu eziSekwe kwiNdawo yoBume boShishino obuBabekileyo.' Vol. 158, Inqaku 106922, 2021.
