Alesi Anyigbadzidɔdamɔnu Trɔa PTFE Avɔ si ƒe Dzoxɔxɔ Deŋgɔ ƒe Anyigba ƒe Nɔnɔme

Wodea asixɔxɔ PTFE avɔ si me dzoxɔxɔ le ŋutɔ ŋu le eƒe ŋutete si meléna ɖe nu ŋu o, esi te ŋu nɔa te ɖe dzoxɔxɔ nu, eye wòtsia dzodzodzoe ta. Gake anyigba ma ke si le gbadzaa ŋutɔ, si me ŋusẽ mele o, si me atikewo mewɔa dɔ o, si na wòsɔ nyuie na asiɖeɖe le nu ŋu ƒe dɔwɔwɔwo hã na be manya wɔ kloe be woabla, ata, alo awɔ laminate o.

Egbɔkpɔnua nye anyigbadzidɔwɔwɔ – mɔ̃ɖaŋudɔwɔwɔ le PTFE ƒe anyigbadzinu suesuesuewo kple atikewo ƒe wɔwɔme siaa ŋu be woatrɔe tso esi mate ŋu abla o gbɔ va zu esi woate ŋu abla.

Aokai PTFE na PTFE avɔ kple anyigbadzidɔdamɔnu vovovowo. Mɔfiame sia ɖe mɔnu ene siwo bɔ me – atikewo ƒe nuŋɔŋlɔ, plasma-dɔdamɔnu, corona-dɔdamɔnu, kple laser-dɔdamɔnu – kple alesi wo dometɔ ɖesiaɖe trɔa asi le anyigba ŋu le ŋutilã kple atike me.

Chemical Etching (Sodium-Naphthalene ƒe Atikewɔwɔ ƒe Atikewɔwɔ) .

Mɔnu sia si wotsɔ tsia tsii la naa ŋusẽkpɔɖeamedzi si nɔa anyi didi wu eye wòkpɔa alesi wozãnɛ le mɔ si keke ta wu nu na PTFE ƒe kadodo.

1. Dzɔdzɔmeŋusẽ ƒe wɔwɔme ƒe tɔtrɔ

Sodium-naphthalene complex solution la ŋlɔa PTFE ƒe anyigba to fluorine atɔmwo ɖeɖe ɖa le etame ƒe ƒuƒoƒoa me. Woŋlɔ do kple do gbogbo aɖewo siwo ƒe nɔnɔme le abe anyitsi alo koral ene ɖe anyigba si le gbadzaa abe ahuhɔ̃e ene gbã la dzi. Nusiwo wotsɔ ƒoa ƒui sia naa anyigba ƒe akpa tɔxɛa dzina ɖe edzi ŋutɔ eye wòwɔa seke siwo wotsɔa mɔ̃wo ƒoa ƒui na nusiwo wotsɔna léa nu ɖe ​​wo nɔewo ŋu.

2. Atikewo ƒe wɔwɔme ƒe tɔtrɔ

Esiae nye tɔtrɔ vevitɔ. Sodium si ɖea fluorine dzi kpɔtɔna vevie la ɖea fluorine atɔmwo tso PTFE carbon ƒe megbeƒu me, eye wògblẽa carbon kɔsɔkɔsɔ siwo me mekɔ o kple free radicals ɖi. Teƒe siawo siwo wɔa dɔ la gawɔa nu kple tsi kple ɔksidzin le ya alo tsi si ƒo xlãe me, si wɔnɛ be polar dɔwɔwɔ ƒe ƒuƒoƒo siwo dometɔ aɖewoe nye carbonyl (C=O), hydroxyl (-OH), kple carboxyl (-COOH) . Le ɣeyiɣi ma ke me la, carbon si le anyigba dzi dzina ɖe edzi eye nusi ŋu wowɔ atike ɖo la trɔna zua blɔ viviti alo blɔ yibɔ.

3. Emetsonu

Wowɔa ƒuƒoƒo si le dɔ wɔm si le abe carbon ene. Ŋusẽ si le anyigba dzi dzina ɖe edzi tso 20 dyn/cm teti na PTFE dzadzɛ si ŋu womewɔ atike ɖo o va ɖoa esi wu 40-50 dyn/cm , si wɔnɛ be woate ŋu abla ɖe nusiwo wotsɔ tsi wɔe ŋu tẽ gɔ̃ hã. Xɔtuɖaŋu ƒe tɔtrɔ sia nɔa anyi ɖaa . Gake micron geɖe koe ƒuƒoƒo si ŋu wowɔ atike ɖo la le sue eye wòhiã be woakpɔ eta nyuie.

Plasma ƒe Dɔdamɔnu

Wozãa ʋumenugbagbeviɣidɔ zi geɖe hena dɔwɔwɔ ƒe akpa aɖe alo le fli me, eye woma plasma-dɔdamɔnu ɖe ​​hatsotso siwo me vacuum plasma kple atmospheric-pressure plasma me.

1. Dzɔdzɔmeŋusẽ ƒe wɔwɔme ƒe tɔtrɔ

Nusue siwo ŋu ŋusẽ geɖe le (elektrɔnik, ion, free radicals) daa bɔmb ɖe PTFE ƒe anyigba dzi ɣesiaɣi eye wòhea sputter-etching ƒe ŋusẽkpɔɖeamedziwo vɛ. Woklã nanoscale roughened texture si nyo ŋutɔ ɖe edzi; woɖea liƒo si gbɔdzɔ la ɖa evɔ womegblẽa nu le fiberglass-nu si le ete ŋu o. Le nusuekpɔmɔ̃ me la, kristalo ƒe akpa gãtɔ ƒe anyigba trɔna zua amorphous micro-roughened nɔnɔme.

2. Atikewo ƒe wɔwɔme ƒe tɔtrɔ

Dɔwɔwɔ ƒe gas ye ɖoa dɔwɔwɔ ƒe ƒuƒoƒo mamlɛawo:

• Inert gas treatment (le kpɔɖeŋu me, argon): Egbãa CF ƒe kadodowo be woawɔ anyigbadzi free radicals hena polar groups ƒe grafting emegbe

• Ya siwo wɔa dɔ (oxygen, ammonia): Do hydroxyl, carbonyl, kple amino ƒuƒoƒowo ɖe molecule ƒe kɔsɔkɔsɔawo dzi tẽ

3. Emetsonu

Wokpɔa anyigba si le dzadzɛ, si me tsi le ŋutɔ si wotsɔ nano-roughened wɔe. The bonding-enhancing effect degrades over time , eyata ele be woawɔ lamination le ʋumenugbagbeviɣidɔdada vɔ megbe teti. Eƒe viɖe vevitɔe nye ultra-shallow modified layer, si metrɔa nusiwo katã ƒe titrime kple amadede gbãtɔ kura kura o.

Corona ƒe Atikewɔwɔ

Mɔnu si me woɖea elektrikŋusẽ si lolo le si wɔa dɔ kabakaba le nusiwo me woɖea nu tsɛwo le ŋu evɔ wòkpea fu le dɔwɔwɔ ƒe megbedede kabakaba ta.

1. Dzɔdzɔmeŋusẽ ƒe wɔwɔme ƒe tɔtrɔ

Corona ƒe dzodzo si ƒe ŋusẽ lolo la naa micro-arc flashes dona. Ŋusẽkpɔɖeamedzi si tso elektrɔnik siwo ŋu ŋusẽ geɖe le gbɔ gbãa PTFE molecule kɔsɔkɔsɔwo, enaa teƒe siwo le dɔ wɔm, eye wòŋlɔa nu ƒuƒlu si me goglo o, si menya kpɔna dzea sii bɔbɔe o. Le ŋusẽ si bɔbɔ ɖe anyi wu eye eƒe dɔwɔwɔ ƒe ɣeyiɣi kpui wu ne wotsɔe sɔ kple plasma-dɔdamɔnu ta la, ɖeko corona naa anyigba ƒe ƒuƒuiƒe si le abe do ene si seɖoƒe li na.

2. Atikewo ƒe wɔwɔme ƒe tɔtrɔ

Wowɔa ozone kple oxygen ƒomevi siwo wɔa dɔ le teƒe siwo woɖea tsi le. Oxidation toa hydroxyl ƒuƒoƒo, peroxides, kple carbonyl ƒuƒoƒo vɛ be woado anyigba ƒe ŋusẽ ɖe dzi ŋutɔ.

3. Emetsonu

Ðeko atikewɔwɔa gblẽa nu le anyigba ƒe akpa si le tsɛ ŋutɔ si ŋu wotrɔ asi le eƒe xɔtuɖoɖo ŋu si meli ke o, si ƒe ŋusẽ si doa ŋusẽ nusi léna ɖe nu ŋu la nu yina kabakaba. Wozãnɛ koŋ abe ɣeyiɣi kpui aɖe ƒe fli me adhesion-doa mɔnu ene. Le nusiwo le kpekpem wu, siwo yɔ fũ abe PTFE avɔ si ƒe dzoxɔxɔ lolo ene gome la, zi geɖe la, corona-dɔdamɔnu naa nusiwo mede ŋgɔ o ne wotsɔe sɔ kple plasma-dɔdamɔnu kple atikewo ƒe nuŋɔŋlɔ.

Laser ƒe Dɔdamɔnu

Trɔtrɔ le anyigba dzi pɛpɛpɛ to excimer-laser alo femtosecond-laser mɔ̃ɖaŋununya zazã me.

1. Dzɔdzɔmeŋusẽ ƒe wɔwɔme ƒe tɔtrɔ

Kekeli ƒe dzoxɔxɔ kple keklẽŋusẽ ƒe ŋusẽkpɔɖeamedziwo wɔa micron-scale array patterns edziedzi abe ɣeyiɣi aɖewo ƒe ƒutsotsoewo, grooves, alo micro-pillars ene pɛpɛpɛ. Woate ŋu atrɔ asi le nuŋɔŋlɔ siawo siwo wowɔ kple asi ŋu pɛpɛpɛ be woawɔ geometri nyuitɔwo kekeake na mɔ̃wo ƒe kadodo kple nusiwo wotsɔna léa nu ɖe ​​wo nɔewo ŋu.

2. Atikewo ƒe wɔwɔme ƒe tɔtrɔ

Laser foton siwo ŋu ŋusẽ geɖe le la gblẽa CF ƒe kadodo siwo ŋu ŋusẽ le ŋutɔ, si hea fluorination kple carbonization si le teƒea vɛ. Teƒe siwo ŋu wowɔ atike ɖo la va zua carbon alo graphic carbon ƒe ƒuƒoƒo siwo le abe diamond ene siwo me oxygen sɔ gbɔ ɖo. Ultraviolet excimer laser ate ŋu ado monomers siwo le dɔ wɔm to photochemical reactions tẽ dzi carbonization manɔmee.

3. Emetsonu

Wowɔa asitɔtrɔ le dzɔdzɔmenuwo ƒe nɔnɔme kple atikewo ƒe polarity ŋu le ɣeyiɣi ɖeka me, si woɖo taɖodzinu na, kple esi wowɔ ɖe ɖoɖo nu. Wotrɔa polymer ƒe anyigba si mewɔa dɔ o la wòzua nusi me carbon-oxygen sɔ gbɔ ɖo si ƒe ƒuƒuiƒe si dzi woate ŋu aɖu eye eƒe anyigba ƒe ŋusẽ lolo, si naa ŋusẽ gã kple kadodo ƒe dɔwɔwɔ si nɔa anyi didi.

Kpuie ko la – Dzɔdzɔmeŋusẽ kple Dzɔdzɔmeŋusẽŋununya ƒe Tɔtrɔ

Atikewɔwɔmɔnu eneawo katã wɔa tɔtrɔ vevi eve:

1. Ŋutilã me tɔtrɔ

Wotrɔa molecule ƒe dzidzenu si le gbadzaa si mewɔa dɔ o la wòzua anyigba ƒe nɔnɔme si me ƒu kplakplakpla si dzi micro-nano-scale cavities, grooves, kple coral-style protrusions tsyɔ, si naa seke gbogbo aɖewo siwo wotsɔa mɔ̃wo ƒoa ƒui hena adhesive ƒe kadodo.

2. Atikewo ƒe tɔtrɔ

Wotrɔa anyigba si me ŋusẽ mele o si wotu tso perfluorocarbon kɔsɔkɔsɔwo (-CF2-CF2-) me wòzua anyigba si ŋu ŋusẽ le ŋutɔ si me polar functional groups siwo me oxygen kple nitrogen le sɔ gbɔ ɖo. Woate ŋu atsɔ aŋe si wotsɔna ƒoa aŋe si wozãna edziedzi akɔ anyigba si ŋu wotrɔ asi le la eye wòawɔ haidrodzin ƒe kadodo alo atike ƒe kadodo gɔ̃ hã kple molecule siwo léna ɖe nu ŋu.

Aokai PTFE na PTFE avɔ kple atike etching (mavɔ, do viviti anyigba) kple plasma atikewɔwɔ (dzadzɛ, amadede-dzraɖo, kpuie activation fesre) abe tiatia deŋgɔwo. Laser-dɔdamɔnu li na dɔ tɔxɛ siwo bia be woawɔ nɔnɔmetata siwo sɔ pɛpɛpɛ. Te ɖe mía ŋu nàdzro wò kadodo ƒe nudidiwo me.

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Ne èɖoe be yeasrɔ̃ nu tso nɔnɔme siwo me kɔ wu, dɔwɔwɔ ƒe nɔnɔmewo kple egbɔkpɔnu siwo wowɔ ɖe ɖoɖo nu na míaƒe nusiwo katã ƒe hatsotso, siwo dometɔ aɖewoe nye PTFE dzoxɔxɔ gã avɔ, PTFE dzoxɔxɔ gã adhesive tape, PTFE dzoxɔxɔ gã mesh alidziblanu, seamless dzoxɔxɔ-press alidziblanu, axa ɖeka PTFE avɔ, dzoxɔxɔ gã-tsitretsitsi conveyor belt kple dzoxɔxɔ-tsitretsitsi fiberglass avɔ, taflatse te ɖe mía ŋu to nyatakaka siwo le ete dzi:

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