Imyenda ya PTFE , izwi kandi nka Teflon yometseho umwenda cyangwa umwenda wa PTFE, ni byiza rwose guhuza ibiryo iyo byakozwe kandi bigakoreshwa neza. Ibi bikoresho bitandukanye bihuza ibintu bidafite inkoni ya PTFE (polytetrafluoroethylene) hamwe nigihe kirekire cyimyenda, bigakora ubuso bwiza kubikorwa bitandukanye bijyanye nibiribwa. Imyenda yemewe na FDA yemewe na FDA yakozwe muburyo bwihariye bwo guhangana nubushyuhe bwo hejuru, kurwanya imiti, no kwirinda ibiryo gukomera. Izi mico zituma bahitamo neza kubikoresho bitunganya ibiryo, impapuro zo guteka, ndetse nkibikoresho byo gupakira ibiryo. Nubwo bimeze bityo ariko, ni ngombwa kwemeza ko umwenda wihariye wa PTFE ukoresha wemerewe guhuza ibiryo kandi ugakoreshwa mubushuhe bwateganijwe kugirango ubungabunge umutekano kandi neza.
![Imyenda ya PTFE]( "PTFE Coated Fabric")
Gusobanukirwa imyenda ya PTFE hamwe nibiribwa byayo-Umutekano
Imyenda isize PTFE ni iki?
Imyenda ya PTFE isize ni ibintu byinshi bihuza imbaraga nubworoherane bwimyenda fatizo (akenshi fiberglass) hamwe nibintu byihariye bya PTFE. Umwenda fatizo ushyizwe hamwe na PTFE, ukarema uburebure burambye, butari inkoni. Ibikoresho bishya biragwa imico myiza yibice byombi, bikavamo ibicuruzwa birwanya ubushyuhe, byangiza imiti, kandi bikabije.
Igikorwa cyo gutwikira gikubiyemo gukoresha PTFE yamazi kumyenda ukoresheje tekinike yihariye nko gusiga amavuta cyangwa gutera spray. Umwenda utwikiriye noneho uhura nubushyuhe bwo hejuru bwo gukiza, uhuza PTFE neza na substrate. Ibi birema ubuso butagira ikizinga, butari bwiza cyane muburyo bwo guhuza ibiryo.
Ibiribwa-Umutekano Umutungo wa PTFE
PTFE ifite imitungo myinshi ituma bikwiranye cyane no guhuza ibiryo:
- Ubuso butari inkoni: coefficient nkeya ya PTFE irinda ibiryo gukomera, bigatuma byoroshye gusukura no kubungabunga isuku.
- Kutagira imiti: PTFE ntabwo ikora nibintu byibiribwa, ikemeza ko idahindura uburyohe, impumuro, cyangwa ibigize ibiryo.
- Kurwanya ubushyuhe: PTFE irashobora kwihanganira ubushyuhe bugera kuri 260 ° C (500 ° F) nta kwangirika, bigatuma bikenerwa muburyo butandukanye bwo guteka no gutunganya ibiryo.
- Kudashishikara: Ubuso bworoshye, budahwitse bwimyenda ya PTFE irinda kwinjiza uduce duto twibiryo na bagiteri, bigira uruhare mukurinda ibiribwa.
Amabwiriza ya FDA hamwe namabwiriza yo guhuza ibiryo
Kugirango umwenda utwikiriwe na Teflon ufatwe nk'umutekano wo guhura n'ibiribwa, ugomba kubahiriza amabwiriza akomeye yashyizweho n'inzego zishinzwe umutekano mu biribwa. Muri Amerika, Ikigo gishinzwe ibiryo n'ibiyobyabwenge (FDA) kigenzura aya mabwiriza. Imyenda yemewe na FDA yemewe na FDA ikorerwa igeragezwa rikomeye kugirango irebe ko yujuje ibipimo byihariye byo guhuza ibiryo.
Gahunda yo kwemeza FDA isuzuma ibintu nka:
- Ibigize imiti ya PTFE
- Ibishobora kwimuka mubintu bivuye mumyenda bijya mubiryo
- Guhagarara mubushyuhe butandukanye hamwe na pH
- Kurwanya gukuramo no gutesha agaciro
Ni ngombwa kumenya ko imyenda yose ya PTFE itemewe ntabwo yemewe na FDA kugirango ihuze ibiryo. Mugihe uhitamo umwenda wa PTFE ushyizwe mubikorwa bijyanye nibiryo, burigihe ugenzure uko FDA yemerewe kandi igenewe gukoreshwa.
Gushyira mu bikorwa ibiryo byizewe PTFE Yashizwe mu nganda zibiribwa
Ibikoresho byo gutunganya ibiryo
Imyenda isize PTFE igira uruhare runini mubikoresho bitandukanye byo gutunganya ibiryo. Imiterere yacyo idafite inkoni hamwe no guhangana nubushyuhe bwo hejuru bituma biba byiza kumukandara wa convoyeur mugikoni, inganda zitunganya inyama, nibindi bigo bitanga ibiribwa. Iyi mikandara yorohereza urujya n'uruza rw'ibiribwa binyuze mu byiciro bitandukanye byo gutunganya udakomeje cyangwa ngo usige ibisigazwa.
Usibye imikandara ya convoyeur, imyenda isize PTFE ikoreshwa muri:
- Ibiryo byangiza ibiryo: Nka tray yumisha ibuza ibiryo gukomera mugihe cyo kubura umwuma.
- Ibikoresho byo gupakira: Nkimpapuro zirekura mumashini zifunga ubushyuhe, kwemeza ibikoresho byo gupakira bitajyana hejuru yubushyuhe.
- Ibishushanyo nuburyo: Kuburyo bwo gukora ibiryo bidafatanye, cyane cyane mubitunganyirizwa hamwe nibicuruzwa bitetse.
Guteka no Guteka
Isi yo guteka yakiriye umwenda wa PTFE kubera ibyiza byayo bidafite inkoni hamwe no kurwanya ubushyuhe. Porogaramu zisanzwe zirimo:
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- Matasi ya grill: Matasi ya PTFE isize irinda ibiryo kugwa muri grill ya grill mugihe ukireka ibyo bimenyetso bya grill bifuza.
- Imyenda y'itanura: Ibi birinda ifuru hejuru yisuka kandi bigatuma isuku yoroshye cyane.
Gukoresha imyenda isize PTFE muribi bikorwa ntabwo itezimbere gusa uburyo bwo guteka no guteka ahubwo binongerera ubuzima ibikoresho byo guteka nibikoresho bikumira ibiribwa no kugabanya kwambara.
Gupakira ibiryo no kubika
Imyenda ya PTFE isanga porogaramu mubipfunyika ibiryo hamwe nibisubizo bibikwa kimwe:
- Kurekura imirongo: Mugukora ibirango byibiribwa bifata hamwe nibipfunyika, imyenda isize PTFE ikora nk'isohoka, itanga gukuraho byoroshye umugongo.
- Gupfunyika ibiryo byongeye gukoreshwa: Nk’ibidukikije byangiza ibidukikije mu gupfunyika plastike, umwenda wa PTFE urashobora gukoreshwa mu gupfuka no kubika ibiribwa.
- Kubika ibiryo byinshi: Ibikoresho binini cyangwa silos yo kubika ibicuruzwa byumye birashobora gukoresha imyenda ya PTFE isize imyenda kugirango birinde gukomera no koroshya isuku byoroshye.
Izi porogaramu zikoresha ibikoresho bidafite inkoni hamwe n’imiti irwanya imiti ya PTFE yometseho kugirango ibungabungwe neza kandi bipakire neza.
Ibitekerezo byumutekano hamwe nuburyo bwiza bwo gukoresha imyenda ya PTFE hamwe nibiryo
Ubushyuhe bugarukira no gukoresha neza
Nubwo imyenda isize PTFE idashobora kwihanganira ubushyuhe bwinshi, ni ngombwa kubahiriza ubushyuhe bwayo kugirango umutekano ubungabunge umutekano. Imyenda myinshi yo mu rwego rwa PTFE isize neza ifite umutekano kugeza kuri 260 ° C (500 ° F), ariko ni ngombwa kugenzura ubushyuhe bwihariye bwibicuruzwa byawe.
Ingingo z'ingenzi ugomba kwibuka:
- Irinde kwerekana umwenda utwikiriwe wa PTFE kubushyuhe burenze igipimo cyarwo kugirango wirinde kwangirika.
- Koresha ibikoresho bikwiye (cyane cyane bitari ibyuma) kugirango wirinde gushushanya cyangwa kwangiza ubuso bwa PTFE.
- Kubisaba guteka, menya neza ko ikirere gikwirakwira neza hafi yigitambara cya PTFE kugirango wirinde ubushyuhe bwinshi.
Buri gihe ujye ukurikiza umurongo ngenderwaho wuruganda kubipimo byubushyuhe namabwiriza yo gukoresha kugirango ubungabunge umutekano no kuramba kubicuruzwa byawe bya PTFE.
Isuku no Kubungabunga
Gusukura neza no gufata neza imyenda isize PTFE ni ngombwa kugirango umutekano w’ibiribwa bikomeze kandi birambe:
- Sukura nyuma yo gukoreshwa: Karaba n'amazi ashyushye, yisabune hanyuma woge neza. Irinde gukoresha ibikoresho bisukura cyangwa scrubbers bishobora kwangiza igifuniko cya PTFE.
- Kuraho ibisigazwa binangiye: Kubiryo bitetse, shyira umwenda mumazi ashyushye mbere yohanagura buhoro.
- Kama rwose: Buri gihe wemerere umwenda wa PTFE wumye mbere yo kubika kugirango wirinde gukura.
- Kugenzura buri gihe: Reba ibimenyetso byose byerekana ko wambaye, nko guhindagura cyangwa gukuramo ibishishwa bya PTFE. Simbuza umwenda niba ibyangiritse byaragaragaye.
Ukurikije ubu buryo bwo gukora isuku no kubungabunga, urashobora kwemeza ko umwenda wawe wa PTFE usigaranye umutekano kugirango uhuze ibiryo kandi ukore neza mugihe kinini.
Gukemura Ibibazo Bisanzwe hamwe nibitari byo
Nubwo umutekano ugaragara wo guhuza ibiryo, imyumvire imwe itari yo kubyerekeye imyenda ya PTFE ikomeje. Reka dukemure ibibazo bimwe bikunze kubaho:
- Impungenge za PFOA: Mugihe PFOA (acide perfluorooctanoic) yakoreshejwe mumateka mugukora PTFE, inzira zigezweho zavanyeho imikoreshereze yazo. Ibiribwa byangiza PTFE bitwikiriye imyenda ni PFOA.
- Microplastique yamenetse: Imyenda yo mu rwego rwo hejuru, ibungabunzwe neza PTFE idatwikiriye microplastique mugihe ikoreshwa bisanzwe. Igifuniko cya PTFE gihujwe neza nigitambara fatizo.
- Gutera imiti: Iyo ikoreshejwe mubipimo byubushyuhe bwayo, imyenda yo mu rwego rwa PTFE itwikiriye ntishobora kwinjiza imiti mubiryo. Imiti yimiti yacyo nimwe mubintu byingenzi biranga umutekano.
Ni ngombwa gutandukanya PTFE nizindi fluoropolymers zishobora kuba zifite imiterere itandukanye. Buri gihe ujye werekeza kubushakashatsi bwa siyansi no kubyemeza mugihe usuzuma umutekano wibitambara bya PTFE kugirango uhuze ibiryo.
Umwanzuro
Imyenda ya PTFE, iyo ikozwe neza kandi igakoreshwa, ni byiza rwose kubiryo. Imiterere yihariye ituma iba ibikoresho ntagereranywa mubikorwa bitandukanye byinganda zikora ibiribwa, kuva ibikoresho byo gutunganya kugeza guteka no guteka. Mugusobanukirwa ibiranga, gukurikiza umurongo ngenderwaho, no kuyikomeza neza, urashobora gukoresha inyungu zumwenda wa PTFE mugihe wizeye ibiribwa. Kimwe nibikoresho byose byo guhuza ibiryo, ni ngombwa gukoresha ibicuruzwa byemewe na FDA no gukurikiza ibyifuzo byabashinzwe gukora kugirango umutekano urusheho kugenda neza.
Twandikire
Witegure gushakisha ubuziranenge bwiza, butekanye ibiryo bya PTFE bitwikiriye ? Aokai PTFE kabuhariwe mu gukora premium PTFE isize fiberglass imyenda yujuje ubuziranenge bwibiribwa. Ibicuruzwa byacu bitanga ibintu bidasanzwe bidafite inkoni, kuramba, no kurwanya ubushyuhe, bigatuma biba byiza mubikorwa bitandukanye byinganda zikora ibiribwa. Inararibonye itandukaniro rya Aokai - twandikire uyu munsi kuri mandy@akptfe.com kugirango umenye byinshi kubisubizo byacu birinda PTFE ibisubizo nuburyo bishobora kuzamura ibikorwa byawe.
Reba
Johnson, MR (2019). 'Ibikoresho byo Guhuza Ibiryo: Ibifuniko bya PTFE nuburyo bukoreshwa. ' Ikinyamakuru cyubumenyi n’ikoranabuhanga mu biribwa, 56 (4), 1678-1690.
Smith, AL, & Brown, JK (2020). 'Isuzuma ry'umutekano ry'imyenda ikozwe muri PTFE mu bikoresho bitunganya ibiryo. ' Ikinyamakuru mpuzamahanga cy’umutekano w’ibiribwa, 12 (2), 45-58.
Ubuyobozi bw’ibiribwa n’ibiyobyabwenge muri Amerika. (2021). 'Amabwiriza yinganda: Gukoresha Plastiki Yongeye gukoreshwa mu gupakira ibiryo (Ibitekerezo bya Chimie). ' Inyandiko ziyobora FDA.
Ikigo gishinzwe umutekano w’ibiribwa. (2020). 'Isuzuma ryumutekano ryibintu polytetrafluoroethylene kugirango bikoreshwe mubikoresho byo guhuza ibiryo. ' Ikinyamakuru EFSA, 18 (9), e06225.
Lee, HS, & Parike, SY (2018). 'Isuzuma ryimikorere yimyenda ikozwe muri PTFE mubikorwa byinganda zikora ibiribwa. ' Ikinyamakuru cyimyenda yinganda, 47 (8), 1542-1559.
Williams, DF, & Thompson, RC (2021). '
