PTFE, wanda aka fi sani da Teflon, ba wani binciken da aka shirya ba ne. A ciki 1938, DuPont ya yi tuntuɓe akan wannan abin ban mamaki maimakon ta hanyar ɓarna, haifar da sauyi a kimiyyar kayan aiki da aikace-aikacen kasuwanci.
Wata safiya ta shiga 1938, Roy Plunkett, wani matashin kantin magani, yana wasa da gwaje-gwajensa a kusurwar DuPont. Ayyukansa ya bayyana na asali: nemo sabon wakili mai sanyaya.
(Roy da abokan aikinsa)
Duk da haka, kawai lokacin da Roy ya gaskanta cewa aiki ne na yau da kullun, maki ya juyo. Ya adana iskar tetrafluoroethylene a cikin silinda ya yi da'awar kansa: “Lafiya, Sai gobe.” Washegari, lokacin da ya dawo ya ci gaba da gwajinsa, ya gano cewa iskar gas ta bace a asirce, barin tulin farin foda kawai. To, wannan ba shakka ya bambanta da rubutun da ya shirya. Ka yi tunanin yanayinsa a lokacin: rabi ya mamaye, rabin sani. Bayan ƙarin bincike, ya gano cewa wannan farin foda wanda ba a saba gani ba yana da wasu manyan iko: ya kasance gaba da kusan dukkanin sunadarai, na iya zama mai ban mamaki a matsanancin yanayin zafi, kuma ba shi da lafiya kamar mai. Nan take, Luo ya gane cewa yayin da har yanzu bai gano wani sabon firji ba, a haƙiƙa ya gano sirrin ɓangarori na yankin dafa abinci na gaba – kwanon frying maras sanda. Daga nan, soya ƙwai ya daina ƙalubale, kuma tukwane masu tsaftacewa sun zama iska.
Ko da yake gano PTFE ba da gangan ba ne, yana da muhimmiyar mahimmanci ga masana'antar robobi da sauran fannoni da yawa, kamar sararin samaniya, motoci, na'urorin lantarki, da kayan aiki. Ana amfani da PTFE da yawa saboda nau'ikan sinadarai da kaddarorinsa na zahiri – musamman low gogayya coefficient, high-zazzabi juriya, kimiyyar tsaro, da rashin tsayawa. Daga kayan dafa abinci zuwa sassan da ke cikin jirgin sama, PTFE ya sanya aikace-aikacen fasaha da yawa masu yiwuwa. Duk da haka yayin da PTFE (Teflon ®) alamar ci gaban sabon abu a kimiyyar kayan aiki, farkon doguwar hanya ce mai tauri zuwa kasuwanci da aikace-aikace mai yawa. Babban cikas ba kawai don nemo sabon samfur ba amma kuma don gano yadda ake samun masana'antu masu yawa da kuma yadda ake amfani da shi a fannoni daban-daban..
Hanyoyin haɗakar monomer da ƙayyadaddun polymerization na PTFE ba a haɓaka gaba ɗaya ba, yana sa ya zama mai wahala don ƙirƙirar PTFE a cikin adadi mai yawa ko salo mai dacewa. Yayin da gine-gine na musamman na kayan sun kasance masu amfani a aikace-aikacen ƙarshe, Hakanan sun ba da babban cikas yayin aikin samarwa. Ba kamar sauran robobi na kowa ba, PTFE baya narkewa a cikin kaushi, acid, ko tushe kuma baya haɗa ruwa mai gudana. Maimakon haka, lokacin zafi, ya zama mai wuya, gel mai tsabta wanda baya narkewa kuma yana motsawa kamar robobi.
(Bayanan Bayani na Roy: Farashin PTFE)
Domin shawo kan wadannan kalubale, masu bincike da masu zane-zane suna da wuyar lokaci don nemo hanyoyin daga wasu yankuna daban-daban, kamar daidaitawa dabarun daga karfe da yumbu handling. Don ƙirƙirar PTFE, An yi amfani da wani tsari mai suna paste extrusion, wanda aka aro daga yumbu handling. Kodayake gyare-gyare na al'ada da fasaha masu tasowa suna da matsala wajen tace PTFE, ya yiwu a samar da sassan PTFE. By 1947, cikakken binciken bincike da gwaji ya bunƙasa, kuma an ɓullo da ƙananan kayan aikin samarwa a Arlington, New Jersey. Wannan ya lura da farkon tafiyar Teflon ® daga ɗakin binciken bincike zuwa kasuwa. A ciki 1950, DuPont ya buɗe sabon shuka a Parkersburg, West Virginia, yana haɓaka samar da masana'antu na Teflon ®. Wannan daidai shekarar, fasahar ta ketare Tekun Atlantika lokacin da Masana'antun Sinadarai na Imperial suka gina masana'antar PTFE ta farko a wajen Amurka a Burtaniya..
Mai ba da PTFE Powder
TRUNNANO shine mai samar da Kayan Buga na 3D tare da sama da haka 12 gogewar shekaru a cikin nano-gina makamashi kiyayewa da nanotechnology ci gaban. Yana karɓar biyan kuɗi ta Katin Kiredit, T/T, West Union da Paypal. Trunnano zai jigilar kayayyaki zuwa abokan ciniki a ketare ta hanyar FedEx, Farashin DHL, ta iska, ko ta teku. Idan kuna son ƙarin sani game da ptfe foda masu kaya, da fatan za a ji daɗin tuntuɓar mu kuma ku aiko da tambaya.
A tambaye mu