Aɖiya Kawoe PTFE Avɔ si ƒe Dzoxɔxɔ Deŋgɔ Dona Ne Efiã?

PTFE avɔ si ƒe dzoxɔxɔ lolo la li ke ɖedzesi aɖe le dɔwɔwɔ ƒe nɔnɔme siwo sɔ me – ate ŋu anɔ te ɖe dzoxɔxɔ si yia edzi vaseɖe 260°C kple tsaɖiɖi kpui siwo ade 300°C nu evɔ megblẽna o. Gake le dzo me la, ne yame ƒe dzoxɔxɔ wu 400-500°C la, nusi wotsɔ wɔe la dzea gbegblẽ gɔme le dzoxɔxɔ me. Eye ya siwo dona la menye dzudzɔ dzro aɖe ko o.

Afɔku siawo gɔmesese le vevie ŋutɔ na dɔwɔƒewo ƒe dedienɔnɔ, ɖoɖowɔwɔ ɖe dzobibi ŋu, kple PPE tiatia nyuie.

Aokai PTFE wɔa avɔ siwo ŋu wofa PTFE ɖo. Míebua dedienɔnɔ nu vevii. Mɔfiame sia ɖe ya siwo dona, aɖi si le wo me, kple alesi nàkpɔ ɖokuiwò ta le dzobibi ƒe nɔnɔme me la me.

Ya Gbãtɔ si Wua Ame – Hydrogen Fluoride (HF) .

Ne PTFE fiã la, carbon-fluorine ƒe kadodoa me gblẽna. Fluorine atɔmwo ƒoa ƒu kple haidrodzin si tso tsi alo nu bubuwo me tsɔ wɔa haidrodzin fluoride (HF).

Nusiwo le wo si kple afɔku siwo le wo me

• Gas si me amadede mele o si ƒe ʋeʋẽ lilili sesẽ eye wòʋẽna lilili.

• Exɔa dzo ŋutɔ – eʋẽna le tsi me tsɔ wɔa hydrofluoric acid.

• Edoa dziku na gbɔgbɔtsixe, ŋutigbalẽ, kple ŋkuwo vevie eye wògblẽa wo.

• Ate ŋu ahe aklã me ʋuʋu (tsi si le lãkusi me) vɛ le nɔnɔme sesẽwo me.

• HF ye nye nusi koŋ gbɔ ame kuna le PTFE dzo ƒe gbɔgbɔ me.

De dzesii: Menye ɖeko HF nye aɖi to gbɔgbɔ me ko o – ne eƒoe ɖe ŋutigbalẽ alo ŋku siwo xɔ dzo ŋu la, ate ŋu ana atikewo ƒe dzobibi goglo siwo daa gbe le ame ŋu blewu. Afɔku le agbɔsɔsɔ si mesɔ gbɔ o gɔ̃ hã me.

Amewula si meɖoa to o – Perfluoroisobutylene (PFIB) .

Afɔku si le eme wu HF, gake womenyae tututu o, enye perfluoroisobutylene (PFIB).

Nusiwo le wo si kple afɔku siwo le wo me

• Amadede aɖeke mele eŋu o eye ʋeʋẽ aɖeke mele eŋu o – màte ŋu ase eƒe ʋeʋẽ o.

• Ya si me aɖi le ŋutɔ si dona tso fluoropolymer ƒe dzobibi me koŋ.

• Aɖi si le eme la ade phosgene tɔ ƒe teƒe 10 . (atikewɔnuwo ƒe aʋawɔnu si wozãna le Xexemeʋa Gbãtɔ me)

• Yagbɔgbɔ gblẽa nu le aklã ƒe ʋukawo ŋu, si wɔnɛ be aklã me ʋu si tsi megbe vevie – dzesiawo mate ŋu adze gaƒoƒo geɖe o.

• Dɔlékuiwutike nyui aɖeke meli o. Dɔdamɔnua kpena ɖe ame ŋu (oxygen, mɔ̃memi ƒe yaƒoƒo).

Nuxlɔ̃ame vevi aɖe: Esi wònye be PFIB meʋẽna o eye dzesiawo tsia megbe ta la, ɖewohĩ dɔwɔlawo makpɔe be yewokpɔe o vaseɖe gaƒoƒo aɖewo megbe, esime gbɔgbɔtsixetsixe sesẽ aɖe va do mo ɖa. Esia na be PFIB nye ayemɔ koŋ.

Aɖiya Bubuwo Kple Nusuewo

Tsɔ kpe ɖe HF kple PFIB ŋu la, nu bubu siwo gblẽa nu le ame ŋu le PTFE dzo ƒe dzudzɔ me:

• Carbon monoxide (CO) – tso dzobibi blibo si mele nu gbagbe aɖeke me o me. Amadede aɖeke mele eŋu o, meʋẽna o, blana ɖe hemoglobin ŋu.

• Fluorine-nu suesuesue nyuiwo – woateŋu agbɔ ɖe lãkusi me goglo.

• Perfluorooctanoic acid (PFOA) ƒe nugbagbevi susɔewo – nusiwo susɔ tso PTFE wɔwɔ me ateŋu aɖe aɖi dzudzɔ ɖa le dzoxɔxɔ gã me (togbɔ be egbegbe PTFE ɖe PFOA dzi kpɔtɔ hã).

• Trace dioxins – ne PTFE fiã ɖekae kple nusiwo me chlorine le (le kpɔɖeŋu me, PVC ka, nusiwo wotsɔ blaa nu aɖewo), woateŋu awɔ polychlorinated dibenzo-dioxins kple furans.

Dedienɔnɔ ƒe Nuxlɔ̃amewo – Nusi Nàwɔ le PTFE Dzo me

1. Miʋu le teƒea gbã. Emegbe kpɔ amesiwo ɖoa nya ŋu ta.

Ne PTFE avɔ si me dzoxɔxɔ le ŋutɔ la xɔ dzo la, afɔɖeɖe vevitɔ kekeakee nye be nàƒo asa na dzudzɔa gbɔgbɔ . Miʋu le nutoa me enumake.

2. PPE nyuitɔ – dzudzɔ ƒe ametakpɔnu dzrowo meɖea vi aɖeke o

• Nusi hiã: Yagbɔgbɔmɔ̃ si le eɖokui si (SCBA) si ƒe mo le bliboe, si ate ŋu akɔ ya siwo me acid le eye wòana ya dzadzɛ.

• Nukatae menye ametakpɔnu dzro aɖe o: N95 alo amekoko ƒe ametakpɔnu siwo wozãna ɖaa medzudzɔa HF, PFIB, alo nu suesuesuewo o. Ðewohĩ atikewo ƒe yagbɔgbɔmɔ̃ gɔ̃ hã masɔ na PFIB o.

• Ŋutilã takpɔkpɔ: Zã awu siwo akpɔ ŋutilã bliboa ta kple asigɛwo – HF ateŋu age ɖe nu dzrowo me.

3. Kpekpeɖeŋunana gbãtɔ kple atikewɔwɔ ƒe ŋuɖoɖo

• Ne ègbɔ dzudzɔ le vo me la, ʋu yi ya nyui me enumake.

• Di atikewɔwɔ kpata – mègalala dzesiwo o.

• Vevietɔ: Dzesi siwo do ƒome kplii (vevietɔ tso PFIB gbɔ) ate ŋu adze egɔme ahe ɖe megbe vaseɖe gaƒoƒo 24. Ne amea se le eɖokui me be yeƒe lãme sẽ le gɔmedzedzea me gɔ̃ hã la, ele be atikewɔla nada wo kpɔ.

• Na atikewɔlawo nanya be dɔnɔa do go PTFE dzotsinuwo – HF kple PFIB ƒe aɖi hiã beléle tɔxɛ si akpe ɖe eŋu.

Aokai PTFE dedienɔnɔ ŋuti nyagbɔgblɔ: PTFE avɔ le dedie na zazã le mɔ nyuitɔ nu eye ne dzoxɔxɔ si gbɔ eme ɣeyiɣi kpui aɖe gɔ̃ hã evɔ megblẽ o. Dzo hiã hafi woate ŋu awɔ ya siawo. Ke hã, ele be dzoxɔxɔ ƒe dedienɔnɔ ƒe ɖoɖowo le dɔwɔƒe siwo zãa PTFE dɔwɔnuwo nalɔ SCBA dɔwɔnuwo kple hehenana le dzesi siwo tsi megbe ŋu ɖe eme.

Kpuie ko la – Nya Afɔkuawo, Wɔ Ðoɖo Ðe Eŋu

Nu vevi siwo woatsɔ ayi teƒe bubuwo:

• PTFE avɔ le dedie le zazã si sɔ me – megblẽna le dzoxɔxɔ si mede 300°C te o.

• Le dzo me la, eɖea hydrogen fluoride kple perfluoroisobutylene (PFIB) dona, eye wo ame evea siaa nye aɖi ŋutɔ.

• PFIB nye afɔku vevietɔ – ʋeʋẽ mele eme o, atike aɖeke mele eme o, dzesi siwo tsi megbe.

• Mègazã dzudzɔ ƒe nutsyɔnu dzrowo gbeɖe o. Wobia tso ame si be wòawɔ SCBA.

• Ne èdo goe vɔ la, di atikewɔlawo ƒe dodokpɔ ne dzesi aɖeke medze enumake o gɔ̃ hã.

Aokai PTFE naa dedienɔnɔ ŋuti nyatakakawo (SDS) na míaƒe PTFE avɔnuwo katã. Míele aɖaŋu ɖom na asisiwo be woato dzotsitsi ƒe ɖoɖowo me kple woƒe dedienɔnɔ ƒe ƒuƒoƒowo.

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Ne èdi be yeanya nu geɖe tso PTFE ƒe avɔ siwo ƒe dzoxɔxɔ lolo, kasɛtwo, mesh belts, kple bubuwo ƒe nɔnɔme tɔxɛwo, dedienɔnɔ ŋuti dɔwɔwɔ, kple egbɔkpɔnu siwo wowɔ ɖe ɖoɖo nu ŋu la:

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