Okwu mmalite nke ngwaahịa PTFE jupụtara

Na ngwaahịa PTFE, jupụtaraNgwaahịa PTFEbụ ndị kasị ibu mmepụta, na mba ọzọ jupụtara PTFE na-n'ozuzu dechara site PTFE resin mmepụta osisi, dị ka Germany Hoechst HosTaflonTF4000 usoro, HosTaflonTF3000 usoro na HosTaflon2000 usoro.Na China, ebe ọ bụ na teknụzụ mmepụta resin PTFE dị n'azụ teknụzụ nhazi, a na-eme teknụzụ na-ejuputa PTFE na ụlọ ọrụ nhazi ngwaahịa.Site n'ịgbakwunye dị iche iche fillers dị ka inorganic, metal na polima na PTFE resin iji melite nrụgide nguzogide, eyi iguzogide, oyi eruba iguzogide, okpomọkụ na-eguzogide, akụkụ kwụsie ike nke PTFE.Ngwaahịa juru eju ma e jiri ya tụnyere PTFE dị ọcha, nguzogide nrụgide na-abawanye site na 5 ruo ugboro 10, nkwụsi ike na-abawanye site na 1000 ugboro, ọnụọgụ nke mgbasawanye linear belatara site na 80%, conductivity thermal mụbara site na 5 ugboro, ma belata nguzogide olu na nguzogide elu, tumadi. eji na n'ibu ụlọ ọrụ maka mmanụ-free lubrication bearings, na-ebu bushings, piston yiri mgbaaka, igwe ngwá ọrụ nduzi, wdg Na-adịbeghị anya, mba ọzọ chemical mgbochi corrosion, jupụtara PTFE dị ka a pipeline, valves, nfuli, wdg The ngwa nke mkpuchi na-etolite ngwa ngwa, nke bụ mpaghara ngwa ọhụrụ nke PTFE jupụtara.
Dị ka ihe ndị a chọrọ ihe ndị a na-ejikarị eme ihe bụ: iko fiber, carbon fiber, graphite, quartz sand, molybdenum disulfide, amorphous carbon, calcium fluoride, bronze powder, ceramics, polyimide, polyphenylene, poly-p-hydroxyformate na na.
A na-akpụzi ngwaahịa PTFE zuru ezu: àgwà nke jupụtaraNgwaahịa PTFEdabere na nhọrọ nke resin filler, imewe nke usoro, ogo homogeneity nke ngwakọta ihe na ihe ndị ọzọ.Ugbu a, e nwere atọ Ịgwakọta ụzọ eji mejupụta PTFE: (1) akọrọ Ịgwakọta usoro chọrọ ngwa ngwa, edo Ịgwakọta ngwaọrụ na-enweghị nwụrụ anwụ ohere, ọdabara n'ozuzu chọrọ nke ngwaahịa.(2) ihe mgbaze Ịgwakọta, ihe mgbaze bụ acetone ma ọ bụ methanol, n'ihi na iko-jupụta PTFE.Nrụgide ịkpụzi nke ngwaahịa PTFE jupụtara na-adabere na oke olu nke filler na PTFE, dị ka: na 5% nrụgide ịkpụzi ihe nke 250 mmanya;na 6% ruo 10% nrụgide ịkpụzi ihe mkpuchi nke 350 mmanya;na 12% ruo 25% ndochi mkpụzi ịkpụzi nke 500 mmanya;na ihe karịrị 25% filler ịkpụzi nrụgide nke 700 mmanya.Usoro sintering maka ngwaahịa juru eju bụ otu ihe ahụ maka PTFE dị ọcha.Ma ngwaahịa juru eju nwere MoS2 chọrọ sintering na ikuku ikuku na 360 ℃, ma ọ bụ sintering na nitrogen ọkara na 380 ℃.Ngwaahịa juru eju nwere eriri iko dị mma maka ịgbanye na etiti nitrogen.