PTFE yana da kyawawan kaddarorin kamar inertness sinadarai, juriya mai zafi (duka babba da ƙasa), kaddarorin rufin lantarki, ƙarancin ƙima na gogayya (a tsaye 0.08 da tsauri 0.01), da kadarorin da ba a taɓa gani ba akan kewayon zafin jiki mai faɗi (260 zuwa þ260 C).Yana da yawa a cikin kewayon 2.1e2.3 g/cm3 da narke danko a cikin kewayon 1e10 GPa persecond.Ba za a iya auna nauyin kwayoyin halitta na PTFE ta daidaitattun hanyoyin ba.Maimakon haka, ana amfani da hanya kai tsaye don yin hukunci akan nauyin kwayoyin halitta.Daidaitaccen nauyi (SSG) shine takamaiman nauyin guntu da aka shirya bisa ƙayyadaddun tsari.Maƙasudin ƙa'idar ita ce ƙananan nauyin kwayoyin PTFE yana yin ƙima sosai, don haka yana haifar da ƙimar SSG mafi girma.
PTFE wanda ba a narkar da shi a baya yana da crystallinity na 92e98%, yana nuna tsarin tsarin kwayoyin halitta na madaidaiciya da mara rassa.Bayan ya kai 342 C, yana narkewa yana canzawa daga launin fari mai alli zuwa gel mai haske.Matsayi na biyu na narkewa na PTFE shine 327 C saboda ba ya sake sakewa kamar yadda kafin narkewar farko.
An ba da rahoton canjin oda na farko da na biyu don PTFE.Canje-canjen da ke kusa da zafin jiki na dakin suna da amfani mai amfani saboda tasiri akan sarrafa kayan.A ƙasa 19 C tsarin crystalline na PTFE kusan cikakke triclinic ne.Sama da 19 C, tantanin halitta yana canzawa zuwa hexagonal.A cikin kewayon 19e30 C, sassan sarkar suna ƙaruwa da rashin ƙarfi kuma jagorar crystallographic da aka fi so ta ɓace, wanda ya haifar da babban haɓakawa a cikin takamaiman adadin PTFE (1.8%) wanda dole ne a yi la’akari da ma'auni na Marticles da aka yi daga waɗannan robobi.
PTFE ita ce mafi nisa polymer mai juriya a tsakanin thermoplastics.Banbancin sun haɗa da narkakkar alkali, furotin gaseous a yanayin zafi da matsi, da ƴan sinadarai halogenated kamar su chlorine trifluoride (ClF3) da oxygen difluoride (OF2).An ba da rahoton wasu wasu wasu sinadarai sun kai hari ga PTFE a ko kusa da yanayin zafi na sabis.PTFE yana amsawa da 80% sodium ko potassium hydroxide da wasu tushe mai ƙarfi na Lewis gami da ƙarfe hydrides.
Kaddarorin injina na PTFE gabaɗaya sun yi ƙasa da robobin injiniya a yanayin zafin ɗaki.Haɗawa tare da filler shine dabarun shawo kan wannan ƙarancin.PTFE yana da kaddarorin inji mai amfani a cikin kewayon zafin amfaninsa.
PTFE yana da kyawawan kaddarorin lantarki irin su juriya mai ƙarfi, ƙarancin dielectric akai-akai (2.1), da ƙarancin ɓarna.Dielectric akai-akai da abubuwan tarwatsewa sun kasance kusan baya canzawa a cikin kewayon 40 zuwa 250 C da 5 Hz zuwa 10 GHz.Ƙarfin rushewar dielectric (gajeren lokaci) shine 47 kV / mm don fim mai kauri na 0.25-mm.Ƙarfin rushewar dielectric yana haɓaka tare da raguwa a cikin ɓarna a cikin PTFE, wanda tsarin ƙirƙira ya shafa.PTFE yana kaiwa hari ta hanyar radiation, kuma lalacewa a cikin iska yana farawa a kashi na 0.02 Mrad.
Lokacin aikawa: Afrilu-14-2018