Alesi Woado PTFE Emulsion ƒe nyonyome kpɔ: 6 Core Indicators & Mɔnuwo

Views: 0 Author: Site Editor Ɣeyiɣi si Wotae: 2026-05-27 Dzɔtsoƒe: Teƒe

PTFE emulsion – si woyɔna hã be PTFE kaka – nye nu xoxo si wotsɔ tsyɔa fiberglass avɔ dzi be woawɔ PTFE high-temperature fabric , kasɛtwo, kple alidziblanu. Ne emulsion ƒe nyonyome tsi la, nu mamlɛtɔa mawɔ dɔ nyuie le non-stick me o, matsyɔ edzi masɔmasɔ o, alo ado kpo nu kaba.

Gake aleke nàwɔ anya ne PTFE emulsion ƒe hatsotso aɖe nyo? Èdoe kpɔ.

Aokai PTFE zã PTFE emulsions eye wodoe kpɔ ƒe geɖe. Mɔfiame sia ƒo nu tso dodokpɔ ƒe dzesi vevi adeawo ŋu – nu sesẽ siwo le eme, pH, nusuewo ƒe lolome, woƒe ʋeʋẽ, woƒe liƒo, kple woƒe dzedzeme – kple mɔnu siwo wozãna ɖaa kple lɔlɔ̃ ɖe edzi ƒe dzidzenuwo.

Emenyawo Sesẽ – Dzesi Vevitɔ Kekeake

Nu sesẽ siwo le eme kpɔa ŋusẽ ɖe nusiwo wowɔ ƒe dɔwɔwɔ kple wo zazã ƒe gazazã dzi tẽ (nu siwo wotsɔ blaa nu siwo le kpekpem wu la hiãa nu sesẽ siwo lolo wu).

Dodokpɔmɔnu siwo bɔ:

Nuwɔmɔnu	Afᴐɖeɖe	Nyuitɔ Kekeake Na
Gravimetric (Oven) Mɔnu	Tsɔ agbɔsɔsɔme ƒe kpɔɖeŋu aɖe ƒu gbe le dzoxɔxɔ 120-150°C me va ɖo eƒe kpekpeme si nɔa anyi ɖaa; bu akɔnta le nu sesẽ siwo le eme ŋu to vovototo si le woƒe lolome me nu	Klasik, si wozãna le xexeame katã, dodokpɔxɔ ƒe dzidzenu
Tsidzidzenu ƒe Mɔnu	Dzidze kple glass hydrometer (ƒe didime 1.400-1.600, nyateƒetoto ±0.001); trɔ to nuheŋusẽ tɔxɛ-sesẽ nusiwo le eme ƒe dzidzedzekpɔkpɔ ƒe ʋuʋudedi dzi	Dodokpɔ bɔbɔe si wowɔna kabakaba le teƒea
Mɔnu si Me Womezãa Nusiwo Metrɔna O	Na tsi kple nusiwo wɔa dɔ ɖe anyigba dzi la nazu dzoxɔxɔ le dzoxɔxɔ si lolo wu me (le kpɔɖeŋu me, 380°C); hã dea dzesi nusiwo le anyigba dzi ƒe agbɔsɔsɔme	Ne ehiã be woawɔ numekuku le surfactant ŋu

Dzesi siwo dzi woato alɔ̃ ɖe edzi:

Le dzidzenu T/FSI 067-2021 nu: Nu sesẽ siwo hiã na PTFE ƒe ʋeʋẽ si wotsɔ de tsii enuenu nye 60±2% .
Dzidzenu ŋutɔŋutɔ si wokpɔna le teƒea: 60±0.5% (mɔɖeɖe ɖe nu ŋu sesĩe wu na nutsyɔnu si mewɔa tɔtrɔ o)

pH ƒe Asixɔxɔ – Liƒo ƒe Dzesi

pH ƒe asixɔxɔ kpɔa ŋusẽ ɖe nudzraɖoƒe ƒe liƒo, eƒe xɔxlɔ̃, kple eƒe ɖekawɔwɔ kple nu bubuwo dzi.

Dodokpɔmɔnu: Glass Electrode Mɔnu (Direct Determination) – dzidzee to pH mita zazã me kple glass electrode si wodo kpɔ to teƒe eve alo teƒe etɔ̃ ƒe dzidzedze dzi. Esiae nye mɔnu si wozãna wu si wozãna ɖaa.

Dzesi siwo dzi woato alɔ̃ ɖe edzi:

Le T/FSI 067-2021 nu: pH ƒe didime 9.0 – 11.0
Zi geɖe la, pH ƒe tɔtrɔ ɖenɛ fiana be ɖoɖoa meli ke o alo atikewo ƒe dɔwɔwɔ dzɔ (le kpɔɖeŋu me, tsi ƒe ʋuʋu le anyigba dzi) .
pH ƒe tɔtrɔwo yometiti ɣeyiɣi didi le vevie hena ʋɔnudɔdrɔ̃ le atikewo ƒe liƒo si le emulsion la ŋu

Nusita pH le vevie: Wotsɔa fluorinated surfactants, si hiã alkaline nɔnɔmewo (pH > 8) hafi woate ŋu awɔ dɔ nyuie la nana PTFE emulsions li ke. Ne pH ɖiɖi wu 8 la, emulsion la ate ŋu aƒo ƒu.

Aokai PTFE kafui be woado pH kpɔ le kpẽ ɖesiaɖe si gbɔna dzi kple ɣleti sia ɣleti le edzadzraɖo me. Ne eɖiɖi kpata tso 10.2 va ɖo 8.5 le kwasiɖa eve me la, efia be emulsion la megale li ke o eye ele be woazãe enumake alo woagbee.

Nusuewo ƒe Agbɔsɔsɔ & Nusuewo ƒe Agbɔsɔsɔme Mama

PTFE ƒe nusue gbãtɔwo ƒe lolome kple mama ƒe ɖekawɔwɔ kpɔa ŋusẽ gã aɖe ɖe film-wɔwɔ ƒe nɔnɔmewo, woƒe gege ɖe eme, kple nu mamlɛtɔ ƒe dɔwɔwɔ dzi.

Dodokpɔmɔnu siwo wozãna:

Nuwɔmɔnu	Gɔmeɖose	Dzidzeme ƒe didime	Nyuitɔ Kekeake Na
Laser ƒe Ʋuʋudedi	Laser kaka ƒe dzogoe sɔ kple nusuekpɔmɔ̃ ƒe lolome	Submicron va ɖo milimeta	Wobɔ wu, kabakaba, keke ta
Kekeli ƒe Kaka si Ŋu Ŋusẽ Le (DLS) .	Edzroa kekeli ƒe sesẽme ƒe tɔtrɔ siwo kaka ɖe teƒeteƒewo me le ɣeyiɣi aɖe megbe	Submicron kple nanoscale	Gbãtɔ ƒe nusuewo, dilute dispersions
Elektrɔnik Nusuekpɔmɔ̃ (SEM) si Wotsɔ Kpɔa Nuwo Gbɔ .	Nɔnɔmetatawo ɖeɖe tẽ – tsɔ sodium hexametaphosphate solution ɖɔ li emulsifier be woaƒo asa na agglomeration le eƒe ƒuƒu me	Eƒe nɔnɔme deŋgɔ	Nɔnɔme ŋuti nunya tsitotsito, dzidzedze pɛpɛpɛ

Dzesidede nu veviwo:

D50 (median diameter) – didime si bɔ na PTFE emulsion: 0.1-0.3 microns
Nusuewo ƒe lolome mama kekeme – kpuie wu nyo wu na nutsyɔnu si mewɔa tɔtrɔ o
D10 kple D90 – ɖe dzesi le mamaa ƒe kaka ŋu

Mɔfiame si ku ɖe lɔlɔ̃ ɖe edzi: Le nutsyɔtsyɔ akpa gãtɔ gome la, ele be D50 nanɔ 0.15 kple 0.25 μm dome eye nusuewo ƒe 90% le ±0.1 μm me le mama dedie nu.

PTFE_Emulsion_Nusue ƒe_Agbɔsɔsɔme_Sɔsɔ.png

Viscosity – Dɔwɔwɔ ƒe dɔwɔwɔ

Viscosity dea dzesi sisi ƒe nuwɔna, si kpɔa ŋusẽ ɖe nutsyɔtsyɔ kple tsidedee ƒe dɔwɔwɔwo dzi tẽ.

Mɔnu siwo bɔ tsɔ dzidzea nu:

Nuwɔmɔnu	Gɔmeɖose	Nusiwo sɔ nyuie
Trɔtrɔ ƒe Viscometer	Dzidzea ŋusẽ ƒe ʋeʋẽ to rotor ƒe tsitretsitsi dzi	Wobɔ wu – ewɔa dɔ na Newtontɔwo kple esiwo menye Newtontɔwo o ƒe tsiwo
Ʋukawo ƒe Ʋuʋudedidzidzenu	Edzidzea ɣeyiɣi si wòtsɔna toa ʋuka siwo me ʋu sina tona me	Tsi siwo ƒe ʋeʋẽ mebɔ o
Cone-Plate ƒe Ʋuʋudedidzidzenu	Shear ƒe dɔwɔwɔ me dzodzro pɛpɛpɛ	Lãmetsi siwo ƒe ʋeʋẽ lilili lolo, rheological curves
Rheology si me nyawo katã le	Lãɖeɖe ƒe nuteɖeamedzi-lãɖeɖe ƒe tsɔtsɔme, thixotropy, kutsetse ƒe nuteɖeamedzi, G' kple G''.	Ne dɔwɔwɔ ƒe nudidiwo bia nu geɖe

Dzesi siwo dzi woato alɔ̃ ɖe edzi:

Le T/FSI 067-2021 nu: Viscosity ƒe didime 12.0 – 30.0 mPa·s (le 25±1°C)
Viscosity si le sue akpa → uneven coating, drips
Viscosity si lolo akpa → gege ɖe fiberglass me nyuie o, bia be woaɖee

De dzesii ŋutɔŋutɔ: Le dip coating of fiberglass fabric gome la, target viscosity nyea 15-20 mPa·s zi geɖe. Ne viscosity drift la, trɔ asi le eŋu kple deionized tsi (be wòaɖiɖi) alo de thickener (be wòakɔ ɖe dzi).

Liƒo ƒe Dzodzro – Nudzraɖoƒe & Ʋuɖoɖo ƒe Kakaɖedzi

Liƒo ƒe dodokpɔ kpɔa egbɔ be emulsion la gakpɔtɔ le ɖeka le edzadzraɖo kple etsɔtsɔ yi teƒe bubu me. Wozãa dodokpɔmɔnu siwo wowɔna kabakaba tsɔ srɔ̃a nɔnɔme siwo nɔa anyi didi.

Dodokpɔmɔnu	Nɔnɔme	Nusi Wòwɔa Srɔ̃a
Centrifugal ƒe Liƒolili	1000-5000 rpm hena miniti 30-120; lé ŋku ɖe delamination/sedimentation ŋu	Tsitsi kabakaba – mɔnu si bɔ wu
Dzoxɔxɔ ƒe Liƒolili	40-60°C hena gaƒoƒo 24-72	Nudzraɖoƒe le dzoxɔxɔ gã me
Freeze-Thaw ƒe Liƒolili	Tsɔe de tsikpe me le -20 va ɖo -10°C, tsɔe ƒu gbe le dzoxɔxɔ 25°C me; gbugbɔ zi 3-10 ƒe tsatsam	Dzomeŋɔli ƒe ʋuɖoɖo le agbatsɔʋu siwo me dzoxɔxɔ mele o me
Nudzraɖoƒe ƒe Liƒo	4-40°C hena ɣleti 1-12; do dzesi veviwo kpɔna ɣeaɖewoɣi	Kpɔe ɖa be ɣeyiɣi si woatsɔ adzrae ɖo nyuie hã
Mɔ̃ɖaŋununya ƒe Liƒo	Lãɖeɖe kabakaba; dodokpɔ nusuekpɔmɔ̃ ƒe lolome/viscosity ƒe tɔtrɔ	Pumping, mixing, high-shear nutsyɔnu

Dzesi siwo woatsɔ ato/do kpo nu:

Delamination, sedimentation, alo gel ƒe wɔwɔme si woate ŋu akpɔ o
Viscosity ƒe tɔtrɔ < 10% tso gɔmedzedzea me
Nusuewo ƒe lolome D50 ƒe tɔtrɔ < 15% .

Mɔfiame le agbenɔƒe: Ne wodzrae ɖo nyuie (10-30°C, wotu nu ɖo) la, zi geɖe la, PTFE emulsion léa eƒe liƒo me ɖe asi ɣleti 6-12. Ne centrifuged test ɖee fia be >5% sediment la, tsɔ batch la ƒu gbe.

Dzedzeme Dzodzro – Batch ƒe Ðekawɔwɔ Me Dzodzro Kabakaba

Kpɔ kpɔɖeŋua kple ŋku le dzɔdzɔmekekeli te.

Dzedzeme si dzi woda asi ɖo: Emulsion ɣi alo ɣie si me kɔ, si sɔ, si me nusiwo mesɔ o abe delamination, gel lumps, ŋutigbalẽ ƒe wɔwɔme, alo tsidzadza si dze ƒã ene mele o.

Nusiwo ŋu nàlé ŋku ɖo:

Viviti → ɖiƒoƒo alo dzoxɔxɔ ƒe gbegblẽ si ate ŋu adzɔ
Ŋutilã le anyigba dzi → eƒe ƒuƒu alo eƒe akpa aɖe ƒe ʋuʋu
Lumps alo grit → coagulated polymer (vɔ̃ɖi) .
Tsi si me kɔ le etame → tsidzadza dzɔ

Kpuie ko la – Tia Dodokpɔmɔnu Siwo Wotu Ðe Dɔwɔwɔ Dzi

Ne èle...	Lé fɔ ɖe dodokpɔ siawo ŋu	Xexlẽme
Raw material incoming ƒe ŋkuléle ɖe nu ŋu	Nu sesẽ siwo le eme, pH, eƒe ʋeʋẽ, eƒe dzedzeme	Batch ɖesiaɖe
Nusiwo wowɔ ƒe nyonyome dzi kpɔkpɔ	Nu sesẽ siwo le eme (tsidzidzenu), ʋeʋẽ (trɔtrɔ), pH	Gbesiagbe alo le dɔtrɔɣi ɖesiaɖe
Coating ɖoɖo ƒe ŋgɔyiyi	Nusuewo ƒe lolome, rheology, liƒo	Le atikewɔwɔ ƒe tɔtrɔ ɖesiaɖe me
Nudzrala ƒe dzedze	Wo katã ade + freeze-thaw + ɣeyiɣi didi ƒe nudzraɖoƒe	Ɣleti etɔ̃ ɖesiaɖe alo ƒe sia ƒe
Dodokpɔ ƒe numekuku	SEM nusuekpɔmɔ̃ ƒe nɔnɔmetatawo ɖeɖefia + liƒo blibo	Abe alesi wòhiãe ene

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