Ihe monomer nke PTFE bụ tetrafluoroethylene (TFE), ebe isi ya bụ -76.3 Celsius.Ọ na-agbawa oke n'ihu ikuku oxygen na enwere ike iji ya tụnyere ntụ egbe.Ya mere, mmepụta ya, nchekwa na iji ya na ụlọ ọrụ chọrọ nchebe siri ike, mmepụta ahụ kwesịkwara ịchịkwa ya, nke bụkwa otu n'ime isi mmalite nke ọnụ ahịa PTFE.TFE na-ejikarị polymerization nkwusioru radical free na ụlọ ọrụ ahụ, na-eji persulfate dị ka onye mmalite, mmeghachi omume okpomọkụ nwere ike ịdị n'etiti 10-110 degrees Celsius, usoro a nwere ike nweta PTFE dị arọ nke dị elu (ọbụlagodi nwere ike ịbụ ihe karịrị nde 10), enweghị yinye pụtara ìhè. mbufe emee.
Ebe ọ bụ na agbaze ebe nke PTFE bụ nnọọ elu, nke dị nso decomposition okpomọkụ, na molekụla uka bụghị obere, ọ bụ fọrọ nke nta agaghị ekwe omume nweta ezigbo agbaze eruba ọnụego site nanị ịdabere na kpo oku dị ka nkịtị thermoplastic polymers.Kedu ka esi eme Teflon teepu ma ọ bụ Teflon tube?N'ihe gbasara ịkpụzi, a na-awụsa ntụ ntụ PTFE n'ozuzu ya n'ime ihe ahụ, wee kpoo ọkụ ma tinye ya ka ọ bụrụ ntụ ntụ.Ọ bụrụ na achọrọ extrusion, a ga-agbakwunye ogige hydrocarbon na PTFE iji nyere aka na-akpali ma na-eru.A ghaghị ịchịkwa ọnụ ọgụgụ nke ogige hydrocarbon ndị a n'ime oke ụfọdụ, ma ọ bụghị ya, ọ dị mfe ime ka nrụgide extrusion gabigara ókè ma ọ bụ ntụpọ ngwaahịa emechara.Mgbe ụdị a chọrọ, a na-ewepụ ogige hydrocarbon site na ikpo ọkụ ngwa ngwa, wee kpoo ọkụ ma mee ka ọ bụrụ ngwaahịa ikpeazụ.
Ojiji nke PTFE
Otu n'ime isi ojiji nke PTFE bụ ihe mkpuchi.Site na obere efere na-adịghị mma n'ụlọ na mgbidi dị n'èzí nke cube mmiri, ị nwere ike inwe mmetụta anwansi nke mkpuchi a.Ndị ọzọ ojiji na-akara teepu, waya elu nchebe, gbọmgbọm oyi akwa, igwe akụkụ, labware, wdg Ọ bụrụ na ị chọrọ ihe a ga-eji na obi ọjọọ ọnọdụ, mgbe ahụ tụlee ya, ọ nwere ike na-atụghị anya ya pụta .
Oge nzipu: Ọgọst-29-2022