Polytetraflulluethylene (PTFE) bụ carbon na fluorine. Ihe a nwere aha kachasị ama: Teflon.
Njirimara nke PTFE gụnyere:
Ngwongwo ndị dị mma (<1%)
Ibelata kemịkalụ
Iguzogide okpomoku
Ọnụọgụ ọnụọgụ nke esemokwu
Ngwongwo na-enweghị isi (na-egbochi oke okpomọkụ nke 500 Celsius F (260 Celsius C))
Yi nguzogide
Na-emegharị elu
Ngwongwo mara mma nke PTFE na-enye ya ọtụtụ ngwa dị iche iche, a na-ejikarị ya dị ka ihe mkpuchi na-abụghị nke na-enweghị mmachi maka nri. PTFE na-eyi ka mma na-eme ka ọ dị iche iche na-eme ka ọ dị iche iche site na polymerilis polymerial polymerial ma ọ bụ Njirimara nkwụsịsị na-ejigide dị elu, dị ka eriri mkpuchi, na-agbanwe agbanwe, wdg.
Gịnị bụ PTFE?
Achọpụtara polytetraelroooroooroooroethylene na 1938. Ọ bụ site na American chepụtara na mbụ Roy J. Plunket (1910-1994) mgbe ọ na-achọ ime carbon ọhụrụ na frish curfrine. Ndị mmadụ n'oge ahụ agaraghị eche maka ngwaahịa a nkịtị. Ndị pụrụ iche ga-emetụta akụkụ niile nke ụwa.
Na 1941, dupint nwetara patent maka ngwaahịa a ma debara aha ụghalaahịa n'okpuru aha 'Teflon ' na 1944.
Ugbu a, a na-eji polytetralluethylenethylene n'ọtụtụ ebe mmepụta na ndụ. N'ime ụlọ ọrụ na-ahụ maka nri, a na-eji coodware ekike PTFE. N'ime ụlọ ọrụ uwe, uwe kachasị mma site na ụdị na-atụ egwu dị ka Helikon na Carenthia dị ka mkpuchi ma ọ bụ nke dị n'elu. , iji mezuo ikike ijigide oke oyi nke -30 Celsius C; N'ọnwa ndị agha, ihe ndị na-enweghị ike, ihe dị ala na-egbu egbu, akụrụngwa dielecticric, akụrụngwa kemịkalụ, ihe ọ bụla enweghị mmiri mmiri na-aga n'ihu. Na uru ahụike, a na-ejikwa akwụkwọ PTFE na-ejikarị akụkụ ahụ.
Kedu ihe PTFE kwụrụ?
PTFE guzoro maka polytetrafalaoahyylene, nke kemịkal maka polymen (c2f4) n.
Ihe a na-ezo aka na fluorolipopopopolopolo nke a. Ihe njiri mara nke polytetrafalaoroaethylene dị ka ndị a:
Okpomoku di egwu (Celsius F / Celsius C): 500/260
Ike Tenle na ezumike (PSI): 4,000
Dielectric na-egbu oge (KV / Mile): 3.7
Isi: 2.16
Elongation na ezumike: 350%
Shore Danced: 54
Ebe a na-eji PTFE Polytetrathymenethyylene na-ere ngwa ngwa na njirimara ndị a dị n'elu enweela ụdị ọkpụkpọ, ndị bụ isi bụ ndị a:
Teflon®: Chemours
Fluon®: Agc Ltd
Dyneon®: 3m
Polyflon: daikin Productial CO., LTD.
Algoflon: Solvay Ltd.
Ptfe kemịkalụ
Polytetrafroorooroorooroorooroorooroalene bụ polymer linear nke carbon (c) atom (f) atom (c2f4) n, ebe n bu onu ogugu ndi Monomer.
Enwere ike igosipụta owuwu nke PTFE dịka: -CF2-cf2-cf2-
A na-ejikwa ogologo nke ụmụ irighiri mmiri nke PTFE mejupụtara carnam carbon, nke ọ bụla jikọtara ya na atọm abụọ.
Atọrize atọm fọrọ nke nta ka ọ na-ekpuchi elu nke carbon nke carbon nke polymer polymer. Carbon amon na-etolite isi polymer. Atọm na-etolite dị ka usoro ihe owuwu nke carbon, nke na-echebe nke atọ n'ime carbon.
Usoro a pụrụ iche nke atoms na-enye ptfe ya iche. Ihe owuwu a na - enye aka na akụrụngwa nke ptfe na kemịkal.
Gịnị bụ ihe teflon?
Teflon bụ fluoroplatistic, na Teflon Acronym bụ ptfe (polytetrafrooroorooroorooroo).
Ma, Teflon bụ ụghalark of Chemours, enwere ike ịzụtara PTFE site na ụlọ ọrụ ọzọ karịa tamors.
Teflon bụ ihe a ma ama n'ihi esemokwu ya dị ala, nguzogide elu okpomọkụ, na kemịkalụ.
Bụ Teflon Ptfe
N'ezie, Teflon bụ polymer polymerhized polymerized si Tetraforfuethylene na bụ ụdị ihe eji esi nri. Aha kemịkal ya bụ polytetraflullooroorooroorooroorooroene (PTFE).
Usoro kemịkal Teflon bụ nke pụrụ iche. Ihe owuwu molecular bụ na f (fluorine atọ) na-anọchi ha niile h (hydrogen atọm) na yinye c yinye. N'otu oge ahụ, n'ihi na radius nke ụyọkọm dị oke ala karịa radius nke carbon, yabụ na ọ ga-eme ka ha bụrụ nke ampogen na-eme ka a na-enwe ike ịbanye na fluorine nke na-enweghị atụ.
Na fluorine Atọm mgbochi, ihe osise Teflon polymer dịtụ ike ma e jiri ya tụnyere ihe ndị ọzọ.
Njirimara Teflon
PTFE bụ polymer polymer site na TetraFooroaethylene momomer. Ọ bụ waxe wax dị ka pe. Nnọọ njupụta ya bụ 2.2G / cm3 na mmiri mmiri ya na-erughị 0.01%.
Ihe owuwu kemịkal nke Polymer dị ka nke Pe, belụsọ na amydrogen nile nke atọm na polyethylene dochie ya. N'ihi ikike nke CF dị elu nke njikọ CF, ọ nwere ike iguzogide acid alkali, gụnyere mpaghara aqualiging, na sodium hydroxide dị n'elu 300 Celsius. Yana mmetụta nke siri ike, na-ebelata ndị ọrụ na soonic dị iche iche.
F Atom na PTFE moleculu bụ akara, ihe abụọ ahụ na nkekọ CF na-ejikọ ya. Enweghị elektrọlu na-akwụghị ụgwọ na molekule, na-eme ka ụmụ agbọghọ ukwu niile. Yabụ, ọ nwere ezigbo dieletric dị mma, mmetụta nke gburugburu ebe obibi na ugboro ole ya na-emetụta ya.
Akụrụngwa anụ ahụ Teflon
Olu ya na-adịgide adịgide karịa 1017, mfu ya dị obere, ike ya dị obere, ike iguzogide ya, ọ nwere ike rụọ ọrụ na gburugburu eletrik nke 250 Celsius C. N'ihi na enweghị agbụ hydrogen na usoro nke PTFE molecular, nke a na-eme bụ ihe atụ, n'ogologo kristal bụ 55%), na-eme ptfe nke ukwuu okpomọkụ. Ọnọdụ ọkụ ya bụ 314c, ọnọdụ okpomọkụ ya dị 415 Celsius C, yana oke okpomọkụ ya bụ 250 Celsius C. Ọ na-achasi ike na ọnọdụ okpomọkụ bụ -190 Celsius C, na ikpo ọkụ na-agbagha (n'okpuru 0.46MPA ọnọdụ) bụ 120c.
Teflon ihe nwere ezigbo ọrụ eji arụ ọrụ. Ike Tensile ya bụ 21- 28MPa, na-akụda ike bụ 11 ~ 14MPA, Elongation bụ 250% na stay na-emebi emebi na nylon, nke dị mma karịa nylon, polyfordehyde, na polyethymehyde. Comefficie nke esemokwu nke plastics dị obere.
PTFE dị ala nwere ike, na-eyi na-eyi na-eguzogide na iguzogide. Ọ na-adịkarị mkpa ịgbakwunye ụfọdụ ụmụ irighiri polymer, dị ka eserese polymen, dị ka eserese, na-enwe ike ịmị mkpụrụ, almunom oxide, eriri iko, carbon fiber, wdg iji meziwanye ihe ya. , nwekwara ike ịmụba site na isonye na polymers ndị ọzọ dị ka polyphenle, polyehene glycol (PFSlene Glycol (PFSlene Gycy), wdg.
Kedu ka Teflon mere
Usoro na-arụ ọrụ na-eji chloroform dị ka akụrụngwa, na-eji hydrofruic acid, mmeghachi omume dị ka ihe na-emegharị emegharị, na n'ikpeazụ, na-eji lurvaaoorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroouro.
A na-emepụta Apai na-eji polymerization polymerization ma ọ bụ polyrion polymerization.
Nkwadebe nke monomer Tetrafalaoatene
A na-eji ihe eji arụ ọrụ, a na-eji ihe eji arụ ọrụ, a na-eji ihe eji arụ ọrụ, a na-eji hydrodoro hydrodororite chloroform, mmeghachi omume dị ka onye na-eme ihe nkiri, ma mesịa Tetrafruoroethylene site na Tetmal. Enwekwara ike ịmepụta TetraFooooroooroethylene site na imeghachi Zinc na Tetrafroodichlodichloroditate na oke okpomọkụ.
Nkwadebe nke polytetrafroorooro
A na-eji enamel ma ọ bụ igwe anaghị agba nchara, mmiri na-eji ya eme ihe, mmiri potassium na-eji ya dị ka onye na-achụgharị, na Tetraultuocyyyyyyyyyyylene bụ bọlylezene polyethylene polyethylene polyethylene. Tetrafruoroorooroorooatene.
Tinye ihe mgbakwunye dị iche iche na mmeghachi omume, Tetraforliethylene na-abanye na polymer ketutula na gas. Dozie ọnọdụ okpomọkụ na ketle ruo 25 Celsius C, wee tinye ụfọdụ onye na-arụ ọrụ (sodium metabisite) iji bido polymerization site na sistemụ ndozi. N'oge usoro polymerization, a na-agbakwunye monomers nke ọma, na-enwe nrụgide polymerization na 0.49 ~ 0.78MPA. A na-enweta nkụda mmụọ ahụ mgbe ọ na-eme ka polymerization dilus na mmiri na mmiri, ma gbanwee okpomọkụ na 15 ~ 20ºC. Mgbe nchịkọta nke ndị na-akọcha ya, a na-eji mmiri sachaa ya, ya bụ, ngwaahịa a na-enweta dị ka resin ọma.
Bụ teflon nchebe?
Teflon mkpuchi onwe ya: ihe eji eme ihe na-adighi nma, agaghi-eme ka ihe ojoo, ogaghi emekwa ihe ojoo. Nke a nwere ike ịbụ n'ihi na usoro ya bụ ihe na-egbochi ya na kemịkal dị adị, hapụ ya ka ọ bụrụ ahụ mmadụ niile.
Ngwongwo pụrụ iche nke PTFE na-eme ka ọ na-eme ya n'ọtụtụ ebe na ọrụ ụlọ ọrụ mmepụta ihe dịka ụlọ ọrụ kemịkalụ, mmanụ, akwụkwọ, ọgwụ, eletriki na igwe.
Ngwa nke polytetraFoooroorooroethylene (PTFE) na Njirimara Njirimara:
N'ihi ntụpọ dị na nguzogide roba, iko, ọla, nrụgide na ihe ndị na-akpata kemịkalụ, na ndị na-akpata kemịkalụ yiri egwu. Ọ bụ ezie na PTFE ihe nwere nguzogide corrosion, polytetraforllooroene na-ejikarị ihe na-eguzogide na mmanụ, kemịkal na ọrụ ndị ọzọ.
Ngwa dị iche iche gụnyere: Nnyefe Idozi, ọkpọkọ mmiri maka ibugharị ikuku, dị elu, na-agbago elu, na-agbagha, ụlọ akwụkwọ na tanters. Inrectrụ ọrụ nke akụrụngwa akụrụngwa dị ka ahịrị na valves nwere nnukwu mmetụta na arụmọrụ na ọrụ akụrụngwa niile. Ihe na-eme ihe na-eguzogide na-eguzogide na-eguzogide, na-eme ka ọ dị mma na-enweghị isi, na-eme ka ọ dị mma na-emepụta ihe dị elu na ọnọdụ okpomọkụ dị elu karịa 100 Celsius. Dị ka akara nke mmagharị nke igwe, ihe ndị na-agbanwe, arịa dị elu, na-amị amị, a na-ahụ maka ihe iko, valv gear, tie Rod Ahịrị, wdg.
2. A na-eji arụmọrụ dị ala nke polytetraflulluethylene (PTFE) na ngwa.
Akụkụ ụfọdụ nke ụfọdụ akụrụngwa adịghị adabara lubrication, nke na-eme ka ihe ndị na-eme mkpọtụ, ma ọ bụ na-eme ka ọ bụrụ ihe na-akwụghị ụgwọ maka mmanụ na-akwụghị ụgwọ. Nke a bụ n'ihi na esemokwu a bụ nke kacha ala n'etiti ihe ndị a ma ama. Ojiji a kapịrị ọnụ na-agụnye akụrụngwa kemịkalụ, mpempe akwụkwọ na-akọ ugbo, dị ka mgbaaka piston, igwe na-eduzi ụgbọ mmiri, na mgbaaka nduzi. A na-ejikarị ha na ọrụ owuwu obodo dị ka slides na-akwado ya, nnukwu pipelines na-aga, na ụgbọ mmiri. Mgbochi, yana eji ya dị ka àkwà mmiri na akwa akwa, wdg.
3.Papplications nke polytetrafalaoahylene (PTFE) na ngwa eletriki na eletriki.
Ihe dị oke egwu na obere ihe na-eme ka a na-eme ka ọ bụrụ wires na-eme ka ọ bụrụ wires, ihe mkpuchi mkpuchi, wdfte, cables na ndị na-agbanwe. Ọ bụkwa otu n'ime ihe dị mkpa maka ihe ndị mejupụtara elektrọnik dịka Aerospace na aerospace. Iji ihe nkiri plastine fliciaine nwere oke permeability inter oxygen na ike dị elu na mmiri vepo. Enwere ike iji ihe ndị a na-ahọta nke obere ihe ike nwere ike iji rụọ ọrụ oxygen. Njirimara nke fluoroplastics na-eme ka ihe na-egbochi polar na-egbochi polar na-emepụta ihe dị elu ma nwee ike imepụta microphones, akụkụ na enwere ike iji robot, wdg. Njirimara nke arụmọrụ dị elu nwere ike ime ka ọ dị oke anya.
4.Application nke polytetrafalaoahylene (PTFE) na ọgwụ ahụike.
Ihe eji eme ihe puru iche ma nwee ezi uche ike. Ọ gaghị eme ka mmadụ ghara ịjụ ọjụrụ ya ma ọ nweghị mmetụta anụ ahụ n'ahụ mmadụ. Ọ nwere ike iji usoro ọ bụla mee ya. Ọdịmma ya na-enye ohere maka iji usoro ndozigharị dị iche iche, gụnyere arịa ọbara dị iche iche na patches maka ịwa ahụ maka vaskụla, cardiac, General na Ọsaghị Ọrịa.
5.Application nke Njirimara Njirimara nke Polytetraflulluethylene (PTFE).
Ihe omume PTFE nwere obere esemokwu dị na ya, n'etiti ihe siri ike ma ghara ịgbaso ihe ọ bụla. O nwekwara njiri mara nke nguzosi elu di elu na odi ala, na eme ya nma maka ngwa dika imeputa. A na-ejikarị prans na-adịghị mmanye na ngwa ọgwụ mgbochi. Usoro mgbochi na-agụnye ọtụtụ ihe gụnyere ụdị abụọ: wụnye mpempe akwụkwọ PTFE na mkpụrụ na itinye PTFE Coating ma ọ bụ ihe eji eme ihe na iko na mkpụrụ site na ikpo ọkụ.
