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Ebiyamba ebya bulijjo Ebikozesebwa mu PTFE Emulsion Impregnation – Ekitabo Ekijjuvu

Views: 0     Omuwandiisi: Site Editor Obudde bw'okufulumya: 2026-06-17 Ensibuko: Ekibanja

Buuza

PTFE emulsion impregnation ye nkola enkulu ey’okufulumya PTFE olugoye olw'ebbugumu eringi . Okusaasaana kwa base PTFE kwokka si bulijjo kufuka, kuyingira, oba kukwatagana bulungi ku lugoye lwa fiberglass. Okusobola okutuuka ku kusiiga ekintu ekimu, okunywerera okw’amaanyi, n’ebifo ebitaliimu buzibu, abakola ebintu bongera ku bikozesebwa ebitali bimu ebikola.

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Aokai PTFE elongoosezza enkola z’okufukirira mu bintu bingi. Ekitabo kino kinnyonnyola ebiyambi omunaana ebisinga okukozesebwa – bye bikola, engeri gye bikolamu, ne ddi lwe birina okubikozesa.

PTFE_Emulsion_Okufukirira_Line.png

Ebirungo ebifukirira n’okuyingira mu mubiri – The Core Additive

Raw PTFE emulsion erina relatively high surface tension, ekivaako okuyingira obubi mu fibers n’emifaliso. Ebintu ebifukirira bikendeeza ku kusika kw’okungulu, ne kisobozesa emulsion okusaasaana n’okuyingira obulungi.

Okuwandiika

Eby’okulabirako

Ebintu eby'enjawulo

Ebirungo ebikola ku ttaka ebitali bya ayoni (ebikulu) .

Omwenge ogw’amasavu oguyitibwa polyoxyethylene ethers (AEO series), alkyl polyglycosides (APG) .

Stable, ekwatagana nnyo

Ebirungo ebikola ku ttaka ebya fluorocarbon

Chemours Capstone series (olujegere olumpi, olutaliimu PFOS/PFOA)

Ultra-low surface tension, okuyingira okulungi ennyo mu substrates ezikaluba okutonnya. Omuwendo gulina okufugibwa ennyo okwewala okukendeeza ku mutindo gw’okungulu oluvannyuma lw’okusindika.

Ekikulu: Ebirungo ebikola ku ttaka ebya fluorocarbon bikola nnyo naye byetaaga okubikozesa n’obwegendereza. Ebisukkiridde bisobola okusenguka ku ngulu w’ekizigo mu kiseera ky’okusiba ne bikendeeza ku nkola y’obutakwata.

Ekirungo_eky'okufukirira_Ekikosa_ku_Fiberglass.png

Ebigonza n’ebikyusa Rheology – Okufuga Okulonda Ebizigo

Ebizigo bitereeza obuzito bwa emulsion okuziyiza okutonnya n’okutereeza obulungi obuwanvu bw’ekizigo.

Okuwandiika

Eby’okulabirako

Ebintu eby'enjawulo

Eteri za seluloosi

Hydroxyethyl cellulose (HEC), ekirungo kya methyl cellulose (MC) .

Esaanuuka mu mazzi, eyokebwa ddala mu kiseera ky’okusiba

Ebizigo bya acrylic ebizimba mu alkali (ASE) .

Omusomo gwa ASE

Thixotropy ekola obulungi ennyo, etereezebwa (etaliimu mazzi n’amazzi ga ammonia)

Ebizigo ebikwatagana ne polyurethane (HEUR) .

Ebika bya HEUR

Leveling ennungi, anti-splash

Ebigonza ebitali biramu

Silika afuuwa omukka, bentonite

Okwongera ku thixotropy n’okugumira ebbugumu; ayinza okukendeeza ku butangaavu bw’okusiiga

Amagezi ag’omugaso: Ku bizigo ebigonvu era ebifaanagana ku lugoye olulukibwa obulungi, kozesa ebirungo ebitali binywevu nga tebirina kizigo kitono. Ku bizigo ebizito oba emifaliso egy’okuluka, yongera ku kizitowa okufuga obuziba bw’okuyingira.

Emulsion_Viscosity_Okugeraageranya_okugeraageranya.png

Ebirungo ebitereeza pH ne Emulsion Stabilizers

PTFE emulsions okutwalira awamu zitebenkeza ebirungo ebikola ku ttaka ebya anionic era ne zikuumibwa ku pH 9–10 okuziyiza okuzimba.

  • Amazzi ga ammonia (28 wt%): Amazzi agasinga okukozesebwa mu kulungamya. Kifuumuuka ddala mu kiseera ky’okukala/okufuumuula, ne kitalekawo bisigalira bikosa omulimu.

  • Ebiyamba okunyweza: Ebirungo ebikola ku ttaka ebya anionic nga sodium dodecyl sulfate (SDS) ne secondary alkyl sulfonate (SAS) bitereeza okuziyiza okusala kw’emulsion mu kiseera ky’okupampagira n’okutabula.

Ebitumbula okunywerera – Ebiyungo ebikwatagana n’ebirungo ebiyunga

Pure PTFE erina empalirizo enafu ennyo ey’okukwatagana ne substrates. Ebitumbula okunyweza (adhesion promoters) byetaagisa nnyo.

1. Ebirungo ebiyunga silane

  • Eby’okulabirako: Aminosilane (KH-550), epoxy silane.

  • Enkola: Oluvannyuma lw’okusengejja amazzi, zikola enkolagana ya kemiko n’enkolagana ya fiberglass – Si-O-Si wakati wa silane ne glass, n’ebibinja ebikola ebiramu ebikwatagana ne PTFE oba polimeeri endala.

  • Okwegendereza: Olina okugattibwako n’obwegendereza okwewala okumenya emulsion. Pre-hydrolysis oba post-treatment (okusiiga ku lugoye nga tonnafuyira) kirungi.

2. Okusaasaana kwa resin okukwatagana okugumira ebbugumu eringi

  • Eby’okulabirako: Okusaasaana okuva mu mazzi okwa polyamide-imide (PAI), polyphenylene sulfide (PPS), polyethersulfone (PES).

  • Okukozesa: Ebintu ebikulu eby’ebizigo ebitakwata n’ebisiba ebya bulijjo eby’emikutu gy’okusengejja fiberglass egy’okufukirira n’ebintu eby’olususu. Zilongoosa okunywerera n’okukwatagana mu kirungo ekisembayo.

Ebiyamba mu kukola firimu – Okukkakkanya ebbugumu ly’okusiba

PTFE erina obuzito bw’okusaanuuka obw’amaanyi ennyo. Ebiyamba okukola firimu byanguyiza okuyungibwa kw’obutundutundu mu kiseera ky’okusiba.

  • PFA (perfluoroalkoxy resin) – ekifo eky’okusaanuuka ekya wansi okusinga PTFE

  • FEP (fluorinated ethylene propylene copolymer) – ekifo eky’okusaanuuka ekya wansi okusinga PTFE

Zino fluoropolymers ezikolebwa mu kusaanuuka zikola emitendera egy’okukwatagana okusaanuuka wakati w’obutundutundu bwa PTFE mu kiseera ky’okusiba, okutumbula okukwatagana kw’okusiiga n’okunyweza wakati. Zino za mugaso nnyo ku bizigo ebinene oba nga ebbugumu ery’okusiba erya wansi lyetaagisa.

Functional Fillers – Ebintu eby’enjawulo ku bwetaavu

Ebijjuza bisaasaanyizibwa butereevu mu emulsion okusobola okuwa eby’obugagga ebitongole.

Ekika ky’Ekijjuza

Eby’okulabirako

Omugaso

Ebintu ebijjuza ebiziyiza okwambala

Nano/micron alumina, silikoni kaabuyidi, silika

Okulongoosa obuziyiza okunyiga

Ebijjuza ebitambuza/ebiziyiza okutambula

Carbon black, graphite, carbon nanotubes (nga zirina ebibunyisa) .

Okusaasaanya ekisannyalazo ekitali kikyukakyuka

Ebirungo ebikola langi

Ekyuma ekiddugavu, titanium dioxide

Okuwandiika langi, okuziyiza UV

Ekikulu: Ebijjuza byetaaga ebisaasaanya ebituufu ebifukirira (okugeza, polycarboxylates) okuziyiza okukuŋŋaanyizibwa n’okukakasa nti zisaasaanyizibwa mu ngeri y’emu.

PTFE_Okusiiga_Okuziyiza_Okwambala_Okugeraageranya.png

Ebiwunyiriza – Okuziyiza ebituli bya Pinholes

Okufuumuuka okw’amaanyi kubaawo mu kiseera ky’okufukirira, ekivaako obulema mu binnya bya ppini ku bizigo.

Okuwandiika

Ebintu eby'enjawulo

Ebiwunyiriza ebifuumuuka ebitaliimu silikoni (ebyagala) .

Ekoleddwa mu polyether, ekoleddwa mu mafuta g’eby’obuggagga eby’omu ttaka. Amalawo obulabe bw’ebisigadde bya silikoni okutaataaganya okunyweza okw’okubiri oba okulongoosa kungulu.

Ebikozesebwa mu kuggya ebiwujjo bya silicone

Obusobozi obw’amaanyi obw’okuggya effumba, naye okukozesa kukoma ku nkola nga trace silicone residue ekkirizibwa.

Okuteesa: Ku butambi bwa PTFE obugenda okukozesebwa mu kukola emirimu egy’amaanyi egy’okusiba oba okusiiga, ebyuma ebiggyamu amazzi ebitaliimu silikoni bye bisinga okwettanirwa.

Ebirungo ebikola firimu – Okukozesa oluusi n’oluusi

Trace high-boiling-point solvents oba polyols (propylene glycol, ethylene glycol) oluusi ziteekebwamu okukendeeza ku kufuumuuka kw’amazzi mpola n’okuziyiza enjatika okukala amangu.

Ekikulu: Bino tebitera kukozesebwa mu nkola za kusiba, kubanga ebitundu byonna ebiramu birina okuvunda mu bujjuvu mu kiseera ky’okusiba. Okukozesa ennyo kiyinza okulekawo ebisigadde bya kaboni.

Mu bufunze – Okulonda Ekipapula Ekituufu eky’Obuyambi

Okuteeba

Omuyambi asengekeddwa

Okulongoosa okufukirira n’okuyingira mu nnyumba

Ekirungo ekifukirira ekitali kya ayoni oba fluorocarbon

Fuga obuzito bw’okusiiga

Ekizitowa (cellulose oba HEUR) .

Stabilize emulsion, okuziyiza okuzimba

Ekitereeza pH (amazzi ga ammonia) + ekinyweza anionic

Okunyweza enkolagana ya PTFE-substrate

Ekirungo ekiyunga silane oba okusaasaanya resini ya PAI/PPS

Okulongoosa okutondebwa kwa firimu, okukendeeza sintering temp

Okusaasaana kwa PFA oba FEP

Okwongerako okuziyiza okwambala

Alumina oba silicon carbide ekijjuza

Okwongerako obutambuzi (conductivity).

Omuddugavu wa kaboni, graphite oba CNT

Ziyiza ebituli bya ppini okuva mu foam

Ekiwujjo ekitaliimu silikoni

Okukala mpola ku bizigo ebinene

Ekirungo ekifuuwa amazzi (propylene glycol) – kozesa kitono

Aokai PTFE esobola okukola custom impregnation blends okukozesebwa ebitongole. Tukwasaganye n’ekintu kyo ekya substrate, ekyetaagisa mu buwanvu bw’okusiiga, n’ebigendererwa by’omulimu.

Ebirimu waggulu biweereddwa... Jiangsu Aokai Ebintu Ebipya Tekinologiya Co., Ltd.

Bw’oba oyagala okumanya ebisingawo ku bikwata ku biwandiiko ebikwata ku nsonga eno mu bujjuvu, embeera z’okukozesa n’ebigonjoola ebikoleddwa ku mutindo gw’ebintu byaffe byonna, omuli emifaliso egy’ebbugumu erya waggulu erya PTFE, obutambi obw’ebbugumu eringi PTFE, emisipi egy’akatimba aka PTFE, emisipi egy’ekyuma ekikwatagana ekitaliiko musonno, olugoye lwa PTFE olw’oludda olumu, emisipi egy’okutambuza egigumira ebbugumu eringi ne fiberglass ezigumira ebbugumu eringi emifaliso, tukusaba otuukirire:

Bulijjo tukuuma obufirosoofo bw’obukugu n’obwesimbu, era twewaddeyo okukuwa eby’okugonjoola ebizibu mu kifo kimu n’obuweereza obulowoozebwako.


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