Nyocha omimi nke polytetrallulluethylene PTFE

Polytetrallulluethylene (poly Tetra fluoroothyylene), a na-akpọkarị akwụkwọ mpịakọta nke PTFE, bụ akara ngosi bụ Teflon. Na China, nke a na-akpọkwa Teflon "Teflon" Teflon "Teflon, Teflolom, Teflon, Teflon, Teflon, Teflon.

A maara Polytetralluethyletenethylene dị ka "eze plastik." Roy Plunket, nna nke fluorien, bidoro nyocha maka Tetrafonoorooroene ma chekwaa ya na nke abụọ, ha na-eme nnwale ọzọ, mana mgbe ha Meghee nrụgide na-emegharị valvụ nke cylinder nke echi ya, enweghị gas lapu. Ha chere na ọ bụ mmiri gas, mana mgbe ha tụbara cylinder ahụ, ha chọpụtara na cylinder anaghị atụfu ibu. Ha hụrụ oghe cylinder ma chọta nnukwu ntụ ntụ ọcha, nke bụ poltetraflulloorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroaclene.

Nnyocha ha chọpụtara na polytetrathyylete nwere ezigbo ihe nwere ike iji ya na bọmbụ Ami-Efting maka atom, Wdg. Ya mere, ndị agha US nọchiri anya teknụzụ a n'oge Agha IIwa nke Abụọ. Ọ bụ mgbe njedebe nke Agha IIwa nke Abụọ nke mere ka o doo anya, a na-enweta ya na ụlọ ọrụ PTFE na 1946.

1. Aha ngwaahịa: PTFE

2. Aha Bekee: polytetrafroorooroorooroene

3. Alias

Ptfe; Teflon; Teflon; Teflon; Teflon; F4; Eze plastik; Teplon (Japanese) [English Fabrevis bụ

PTFE, aha ika bu Teflon, na nsụgharị ndị China dị iche iche na ebe dị iche iche: Mainland China na-asụgharị ya dị ka Tefon, na Taiwan na-atụgharị ya dị ka Teflon]

4. molecular:

[Cf2cf2] n

5. Usoro Mmepụta

Potfe

Mepụtara site na polymerization polmerization nke tetraforlioathylene. A na-emeghachi omume nke polymerization na-akpali anyị na-akpali oke mmiri iji chụpụ okpomọkụ nke mmeghachi omume na-akwado njikwa okpomọkụ. A na - eme nke polymerization na 40 ruo 80 Celsius C na nrụgide nke 3 ruo 26 kiloff / cm2. Enwere ike iji ya na-arụ ọrụ na perganic peroxic peroxic dị ka onye na-ebu ụzọ, ma ọ bụ usoro bred na-ebugharị mee ihe. Anụ ahụ ọ bụla Tetrafrooroethylene na-ewepụta okpomọkụ nke 171.38kj n'oge polmerization. Polmerization chọrọ mgbakwunye nke ndị na-enweghị isi, dị ka acidsluooctanoctanoctanoctanoctanoctanoctanic acid ma ọ bụ nnu ya.

6. Ngwa

Polytetraflufruethylene [ptfe, F4] bụ otu ihe ndị nwere ike iguzogide ụwa taa, ya mere, a maara ya dị ka "eze plastics". Enwere ike iji ya n'ụdị usoro kemịkal maka ogologo oge, mmepụta ya edoziwo ọtụtụ nsogbu na ụlọ ọrụ kemịkalụ nke obodo m, Petroleum, Putrorectactoutical na ubi ndị ọzọ. PTFE AKA, gaket, na gaskets. PTFE Akàrà, gasketges, na gaskets akpụzi site na nkwụsị polymerized ptferized Polmerized. E jiri ya tụnyere plastik ndị ọzọ, ptfe nwere ezigbo ntuli aka na nguzogide. A na-eji ya eme ihe n'ọtụtụ ebe dị ka akara ihe na ihe na-eju eju. O nwere ogo siri ike nke kemịkalụ kemịkalụ na kemịkal siri ike, dị ka alkali siri ike, nwere ike iguzosi ike, na-eguzogide ma na-eyi nguzogide. Ogologo oge eji okpomoku okpomoku bu -200- + 250 ℃. Ọ nwere mkpuchi eletrik dị mma ma ọ bụghị ọnọdụ okpomọkụ emetụtaghị ya. Na mgbakwunye, o nwere njiri mara nke na-abụghị nke mkpanaka, na-abụghị ihe na-adịghị mma na ndị na-abụghị ọkụ. A na-ejikarị nkwụsị ikuku ma hazie ya site na ịkpụzi na ịpụ. A ga-eme ka mkpanaka ahụ na-esite na ya, efere ma ọ bụ profaịlụ ndị ọzọ site na iji usoro eji eme ihe dị ka ntụgharị, olulu, na igwe. Enwere ike ịtụgharị mmanya ahụ ma dọba ya n'ime ihe nkiri ndị ọzọ.

7. polytetralluehylene (PTFE) njirimara

1. Ike (ike dị elu)

2. rootically

3. Ime mgbanwe ndu

4. nguzosi ike

5. elu kemịkal na gburugburu ọgba aghara

6. Obere flammaty

7. Cozọ aghụghọ dị ala

8. dị ala dielectric mgbe niile

9. Mmiri dị ala

10.Good iyuyo

PTFE bụ polymer nke Tetrafuoroooroooatene. Ndị Bekee bụ PTFE. Aha ahia bu "Teflon". A maara dị ka "Eze plastics". The basic structure of polytetrafluoroethylene is - CF2 - CF2 - CF2 - CF2 - CF2 - CF2 - CF2 - CF2 - CF2 - CF2 -. A na-ejikarị polytetrathyleleyylene n'ọtụtụ dị iche iche na-achọ nguzogide acid, alkalis na sontù organic. A na-ewere ya na-egbu egbu nye ụmụ mmadụ, mana oxcuoooctaate (PFA), otu n'ime akụrụngwa ejiri mee ihe na mmepụta, ka nwere ike carcinogenic. Ibu ihe nlere nke polytetrifluallualluelene dị oke ọnụ, sitere na narị narị nde mmadụ karịa nde 10, na ogo polylethylene bụ naanị 103). N'ozuzu, mkpumkpu bụ 90 ruo 95%, na okpomọkụ na-agbaze bụ 327 ruo 342 Celsius C. A na-ahazi nkeji cf2 na polytetrallulluethylene molekule na-ahazi na udiri zigzag. Ebe ọ bụ na radius nke fluorine nke fluorine dị larịị karịa nke Cfdrogen, akụkụ CF2 enweghị ike ịgha mkpụrụ, ma na-eto nke ọma site na fluorine. n'elu elu polymer dum. Ihe owuwu molular a na akowaputa ihe di iche iche PTFE. Mgbe ọnọdụ dị ala dị ala karịa 19 Celsius C, e guzobere 13/6 Helix. Na 19 Celsius C, mgbanwe nke na-eme ihe na-eme, na Molecules dịtụ ala, na-akpụpụta helix 15/7.

8. Ngwongwo kemịkal

A na-eji usoro kemịkalụ nke polytetraflulloorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroethyyylene na polyethylene nwere ụyọkọ na fluorine.

F Ameris na PTFE molekule na-ekpuchi nke CC, na eriri CF dị elu ma sie ike. Ihe ọ bụla kemịkal ma e wezụga ọla mmadụ alkali na ajọ ifufe.

F Atom na PTFE moleculu bụ akara, ihe abụọ ahụ na CF jikọtara ọnụ. Enweghị elektrọs na-akwụghị ụgwọ na molekule, na molekle niile na-anọpụ iche. PTFE nwere ezigbo dielectic Njirimara n'ihi na enweghị agbụ gram na molecular owuwe nke PTFE, ya mere kristal ya dị elu. Maka na enwere fluorine-nwere shei na-enweghị atụ na mpụga ụmụ irighiri mmiri, ọ nwere akụrụngwa na-abụghị nke na-abụghị nke na-abụghị nke na-enweghị ntụpọ na enweghị obere esemokwu.

1. Nkpuru okwu: Ọnọdụ na-emetụta ya na mgbe gburugburu, olu iguzogide 1018 Ohm cm, mfu na-egbu dị obere, na voltata ahụ dị elu.

2. High and low temperature resistance: The effect on temperature does not change much, the temperature range is wide, and the usable temperature is -190~260℃.

3. Onwegbu onwe gi: O nwere onu ogugu pere mpe n'etiti plastics ma bu ihe di nkpa.

4. Elu elu na-enweghị mgbochi: ọ dịghị ihe siri ike na ihe siri ike nwere ike ịgbaso elu. Ọ bụ ihe siri ike na obere ike.

5. Nguzogide ikuku na-agbaze, nguzogide radieshon na obere pearmeability: elu na arụmọrụ dị larịị na-agbanwe agbanwe mgbe ogologo oge na-ekpughe ikuku.

6. Anaghị egbu egbu: oxygen na-egbochi ndeksi dị n'okpuru 90.

7. Gross Crowsonion na-eguzogide na nguzogide ihu igwe: ma e wezụga unyi alkali, nke na-adịghị mma na-enweghị ihe ọ bụla. Dịka ọmụmaatụ, mgbe esi na sulfuric acid, nitric acid, ma ọ bụ ọbụna aqua readic, ma ọ bụ ọbụna ibu ya na arụmọrụ ya agbanwebeghị. Ọ dịkwa ihe na-enweghị mgbochi na usoro niile, ma ọ bụ naanị soluble na alkanes niile dị n'elu 300 Celsius C (ihe dị ka 100g / 100g). PTFE anaghị anabata mmiri, anaghị egbu egbu, ma sie ike na oxygen na ụzarị ultraviolet, yabụ, ọ nwere nguzogide ihu igwe.

Ọ bụ ezie na igbochi nke carbon-carbon nke carbon na nke fluyluocarbons chọrọ ka ọ na-emetụta 1 mol nke tetrafolroooroethyylene chọrọ naanị 171.38kj nke ike. Ya mere, n'oge elu-okpomọkụ na-efe efe, polytetrafrooroethyylene bụ debleororoeth na Tetrafuoroooroorooroorooroorooroorooatene. Ọnụego oke ibu (%) nke polytetrifluethylene na 260, 370 na 420 × 10-3, 4 × 10-3 kwa elekere. Enwere ike ịhụ ya na enwere ike iji PTFE ruo ogologo oge na 260 ℃. A na-emepụtakwa ọgwụ na-egbu egbu site na-fluorophosgene na flishluoosobuutyyyyyyyyyyyyyyyyyyyyyyylene na nchedo polytetraforooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooroorooaene ka a ga-esi na ya pụta ìhè.

Ọ naghị agbazekwa na okpomọkụ 250 Celsius C ma ghara ịdị na-emebi emebi na ultra-obere okpomọkụ nke -260 Celsius C. PTFE mara ezigbo mma, ọbụna ice agaraghị atụnyere ya; Njirimara mkpuchi ya kachasị mma, ihe nkiri dị ka nke akwụkwọ akụkọ zuru oke iji guzogide nnukwu voltaji 1500v.

9. Njirimara anụ ahụ

PTFE na-arụ ọrụ dị nro. Nwere ike dị ala dị ala.

Polytetrallulluehylene (f4, PTFE) nwere usoro dị mma arụmọrụ: nguzosi ike okpomọkụ nke 200 ~ 260 ogo - ogo dị ala na -100 dị nro; Corrionion na-eguzogide - na-eguzogide na Aqua Regia na ihe mgbaze ndị na-edozi ahụ; Na-eguzogide ihu igwe - ndụ kachasị mma na plastics; Ugwu di elu - nwere onu ogugu di iche iche na plastics (0.04); Na-abụghị nke nnyapade - nwere obere esemokwu dị n'elu na ihe ndị siri ike na-enweghị ịgbaso ihe ọ bụla; Na-abụghị ihe na-egbu egbu - nwere usoro ọgwụgwọ ahụ; Njirimara eletriki, ezigbo mkpuchi ihe mkpuchi clas. A na-eji ihe PTFE n'ọtụtụ ebe ndị dị mkpa dị ka mba nchekwa obodo, ike atọm, Petrolelam, igwe elektrik, igwe elektrik, na ụlọ ọrụ kemịkalụ.

10. Ngwaahịa nke polytetraethyleneethylene

PTFE Rods, ọkpọkọ, efere, tụgharịrị efere. PTFE bụ polymer nke Tetrafuoroooroooatene. Ndị Bekee bụ PTFE. Usoro usoro ahụ bụ. Achọpụtara ya na ngwụsị afọ ndị 1930 ma tinye ihe mmepụta ọrụ na 1940s. Njirimara: Ibu minit moletralar nke polytetrafalaoahyylene dị oke ọnụ, sitere na narị narị nde polymerization dị na 104, ebe polyethylene bụ naanị 103). N'ozuzu, mkpumkpu bụ 90 ruo 95%, na okpomọkụ na-agbaze bụ 327 ruo 342 Celsius C. A na-ahazi nkeji cf2 na polytetrallulluethylene molekule na-ahazi na udiri zigzag. Ebe ọ bụ na radius nke fluorine nke fluorine dị larịị karịa nke Cfdrogen, akụkụ CF2 enweghị ike ịgha mkpụrụ, ma na-eto nke ọma site na fluorine. n'elu elu polymer dum. Ihe owuwu molular a na akowaputa ihe di iche iche PTFE. Mgbe ọnọdụ dị ala dị ala karịa 19 Celsius C, e guzobere 13/6 Helix. Na 19 Celsius C, mgbanwe nke na-eme ihe na-eme, na Molecules dịtụ ala, na-akpụpụta helix 15/7.

1. Njirimara eji arụ ọrụ: Comefless ya dị oke obere, naanị 1/5 nke polyethylene, nke bụ akụkụ dị mkpa nke elu opliocarbon. Na n'ihi na ikike dị n'etiti fluorine na ụdị carbon dị ala, ptfe bụ nke na-adịghị eji-odo odo.

2. Njirimara eletriki: ptfe nwere obere dinectocric na dielctric na-egbu oge, ma nwee nnukwu voltaji dị elu, ma olu na-adịgide adịgide.

3. Ngugide radieshon: Ngugide radieshon nke polytetraFoorooroorooroorooroorooroorooroene bụ ogbenye (104 RAD). Ọ ga-emebi emebi mgbe ekpughere radieshon dị elu, yana akụrụngwa eletriki na nke arụ ọrụ nke polymer ga-ebelata.

4. polymerization: polytetrafroorooroethylene na-emepụta site na polymerization polmerization nke tetrafalaorooathylene. A na-emeghachi omume nke polymerization na-akpali anyị na-akpali oke mmiri iji chụpụ okpomọkụ nke mmeghachi omume na-akwado njikwa okpomọkụ. A na - eme nke polymerization na 40 ruo 80 Celsius C na nrụgide nke 3 ruo 26 kiloff / cm2. Enwere ike iji ya na-arụ ọrụ na perganic peroxic peroxic dị ka onye na-ebu ụzọ, ma ọ bụ usoro bred na-ebugharị mee ihe. Anụ ahụ ọ bụla Tetrafrooroethylene na-ewepụta okpomọkụ nke 171.38kj n'oge polmerization. Polmerization chọrọ mgbakwunye nke ndị na-enweghị isi, dị ka acidsluooctanoctanoctanoctanoctanoctanoctanic acid ma ọ bụ nnu ya.

5. Mgbasate Coaffiontion (25 ~ 250 ℃): 10 ~ 12 × 10-5 / ℃. PTFE na-enwekarị ezigbo arụmọrụ na mpaghara okpomọkụ nke -196 ruo 260 Celsius. Otu n'ime njirimara nke polymers nke polymerocarbon bụ na ha anaghị eme ka ọ dị ala.