PTFE emulsion impregnation ninzira yibanze yo kubyara PTFE umwenda wo hejuru . Ikwirakwizwa rya PTFE ryonyine ntabwo buri gihe ritose, ryinjira, cyangwa rihuza neza nigitambara cya fiberglass. Kugirango ugere kumurongo umwe, gukomera gukomeye, hamwe nubuso butagira inenge, ababikora bongeraho urutonde rwabafasha bakora.
Aokai PTFE yahinduye uburyo bwo kwinjiza ibicuruzwa mubicuruzwa byinshi. Aka gatabo gasobanura abafasha umunani basanzwe - ibyo bakora, uko bakora, nigihe cyo kubikoresha.
Gutose no Kwinjira - Ibikoresho Byibanze
Emulion ya PTFE ifite uburemere buringaniye buringaniye, biganisha ku kwinjirira nabi muri fibre nigitambara. Ibikoresho byo guhanagura bigabanya impagarara zubuso, bigatuma emulisiyo ikwirakwira kandi ikinjira neza.
Andika |
Ingero |
Ibiranga |
Nonionic surfactants (nyamukuru) |
Inzoga nyinshi za polyoxyethylene ethers (urukurikirane rwa AEO), alkyl polyglycoside (APG) |
Ihamye, irahuza cyane |
Fluorocarbon surfactants |
Chemours Capstone ikurikirana (urunigi rugufi, PFOS / PFOA-yubusa) |
Ultra-hasi yubushyuhe bukabije, kwinjirira neza mubintu bigoye-bitose. Igipimo kigomba kugenzurwa cyane kugirango wirinde kwangiza imikorere yubuso nyuma yo gucumura. |
Icyitonderwa cyingenzi: Fluorocarbon surfactants zifite akamaro kanini ariko zisaba kunywa neza. Ibirenzeho birashobora kwimukira hejuru yububiko mugihe cyo gucumura no kugabanya imikorere idakomeye.
Abahindura Thickeners na Rheology - Kugenzura Ipitingi
Inkoko zihindura ubwiza bwa emulsion kugirango birinde gutonyanga kandi bigenga neza umubyimba.
Andika |
Ingero |
Ibiranga |
Ether |
Hydroxyethyl selulose (HEC), methyl selile (MC) |
Amazi ashonga, yaka rwose mugihe cyo gucumura |
Alkali-yabyimbye acrylic thickensers (ASE) |
Urukurikirane rwa ASE |
Ubushobozi buhanitse, bushobora guhindurwa thixotropy (itabangamiwe namazi ya amoniya) |
Polyurethane ishyira hamwe (HEUR) |
Ubwoko bwa HEUR |
Kuringaniza bihebuje, kurwanya-gusebanya |
Ibibyimba bidasanzwe |
Silica yamenetse, bentonite |
Kongera thixotropy no kurwanya ubushyuhe; irashobora kugabanya gutwikira neza |
Inama ifatika: Kubitwikiriye, bitwikiriye umwenda ku mwenda uboshye, koresha ibishishwa bike-byijimye hamwe nubunini buke. Kubitwikiriye biremereye cyangwa imyenda ifunguye, ongera umubyimba kugirango ugenzure ubujyakuzimu.
pH Abagenzuzi hamwe na Emulsion Stabilisateur
Imisemburo ya PTFE isanzwe ihagarikwa na anionic surfactants kandi ikabikwa kuri pH 9-10 kugirango birinde kwandura.
Amazi ya Amoniya (28 wt%): Igenzura rikoreshwa cyane. Irahindagurika rwose mugihe cyo gukama / gucumura, ntigisigara gisigara kibangamira imikorere.
Stabilisateur zifasha: Anionic surfactants nka sodium dodecyl sulfate (SDS) hamwe na alkyl sulfonate ya kabiri (SAS) iteza imbere ubwonko bwogosha bwa emulsiya mugihe cyo kuvoma no gutereta.
PTFE itanduye ifite imbaraga zidasanzwe zo guhuza hamwe na substrate. Abamamaza Adhesion ni ngombwa.
1. Ibikoresho byo guhuza Silane
Ingero: Aminosilane (KH-550), epoxy silane.
Mechanism: Nyuma ya hydrolysis, bakora imiti ihuza fibre - Si-O-Si ihuza silane nikirahure, hamwe nitsinda ryimikorere ikorana na PTFE cyangwa izindi polymers.
Icyitonderwa: Ugomba kongerwaho witonze kugirango wirinde kumeneka. Mbere ya hydrolysis cyangwa nyuma yo kuvurwa (gusaba umwenda mbere yo gutwita) birasabwa.
2. Ubushyuhe bwo hejuru bwihanganira guhuza resin ikwirakwizwa
Ingero: Ikwirakwizwa ryamazi ya polyamide-imide (PAI), polifenilene sulfide (PPS), polyethersulfone (PES).
Gushyira mu bikorwa: Ibikoresho byingenzi bitwikiriye inkoni hamwe nibisanzwe bihuza fibre yindobanure ya media hamwe nibikoresho bya membrane. Batezimbere gufatanya no guhuriza hamwe muburyo bwa nyuma.
PTFE ifite ibishishwa byinshi cyane. Imfashanyo ikora firime yorohereza uduce duto mugihe cyo gucumura.
Izi fluoropolymers zishonga zikora ibyiciro bihuza ibice hagati ya PTFE mugihe cyo gucumura, byongera ubwuzuzanye hamwe no gufatana hagati. Zifite akamaro kanini kubitwikiriye cyangwa mugihe ubushyuhe bwo hasi bwifuzwa.
Kuzuza Imikorere - Ibicuruzwa byihariye kubisabwa
Abuzuza bakwirakwijwe muri emulsion kugirango batange ibintu byihariye.
Ubwoko bwuzuza |
Ingero |
Intego |
Kwambara kwuzuza |
Nano / micron alumina, karbide ya silicon, silika |
Kunoza kurwanya abrasion |
Kuzuza / kwuzuza antistatike |
Carbone umukara, grafite, carbone nanotubes (hamwe na dispersants) |
Gukuraho amafaranga ahamye |
Ibara ryibara |
Okiside y'icyuma umukara, dioxyde ya titanium |
Kode y'amabara, kurwanya UV |
Icyangombwa: Uzuza bisaba gukwirakwiza amazi meza (urugero, polyakarubisi) kugirango wirinde guhuriza hamwe no gukwirakwiza kimwe.
Defoamers - Kurinda Pinholes
Kubira ifuro bikabije bibaho mugihe cyo gutera akabariro, bigatera inenge ya pinhole.
Andika |
Ibiranga |
Silicone idafite defoamers (ikunzwe) |
Polyether-ishingiye, amavuta yubutaka ashingiye. Kurandura ibyago byibisigisigi bya silicone bibangamira gufatira hamwe cyangwa kuvura hejuru. |
Silicone defoamers |
Ubushobozi bukomeye bwo gusebanya, ariko gukoresha bigarukira kubisabwa aho ibisigisigi bya silicone byemewe. |
Icyifuzo: Kuri kaseti ya PTFE izakoreshwa murwego rwohejuru rwo guhuza cyangwa gutwikira porogaramu, deficamers idafite silicone irakunzwe cyane.
Kurikirana ibishishwa byinshi-byokunywa cyangwa polyoli (propylene glycol, Ethylene glycol) rimwe na rimwe byongerwaho kugirango amazi agabanuke kandi birinde gucika vuba.
Icyangombwa: Ibi ntibikunze gukoreshwa muburyo bwo gucumura, kuko ibinyabuzima byose bigomba kubora byuzuye mugihe cyo gucumura. Kurenza urugero birashobora gusiga ibisigazwa bya karubone.
Incamake - Guhitamo Ibikoresho Byubufasha Bwiza
Intego |
Basabwe Umufasha |
Kunoza amazi no kwinjira |
Nonionic cyangwa fluorocarbon wetting agent |
Kugenzura uburemere |
Thickener (selile cyangwa HEUR) |
Hindura emulioni, irinde coagulation |
pH igenzura (amazi ya amoniya) + stabilisateur ya anionic |
Komeza umurunga wa PTFE |
Umukozi wo guhuza Silane cyangwa PAI / PPS ikwirakwiza |
Kunoza imiterere ya firime, munsi yo gucumura temp |
Ikwirakwizwa rya PFA cyangwa FEP |
Ongeraho kwihanganira kwambara |
Alumina cyangwa silicon karbide yuzuza |
Ongeraho ubworoherane |
Carbone umukara, grafite, cyangwa CNT |
Irinde ibinono byinshi |
Silicone idafite defoamer |
Kuma buhoro buhoro kugirango ushireho umubyimba mwinshi |
Humectant (propylene glycol) - koresha bike |
Aokai PTFE irashobora gukora igenamigambi ryihariye rya progaramu yihariye. Twandikire hamwe na substrate yawe, gutwikira ubunini busabwa, hamwe nintego zikorwa.
Ibiri hejuru byavuzwe na Jiangsu Aokai Ibikoresho bishya Ikoranabuhanga Co, Ltd.
Niba wifuza kumenya byinshi kubyerekeranye nibisobanuro birambuye, ibintu byakoreshejwe hamwe nibisubizo byabigenewe kubicuruzwa byacu byuzuye, harimo imyenda ya PTFE yubushyuhe bwo hejuru, kaseti ya PTFE yubushyuhe bwo hejuru, imikandara ya mashini ya PTFE, imikandara yo guhuza imashini, umwenda umwe wa PTFE, imikandara ya convoyeur yihanganira ubushyuhe bwinshi hamwe nigitambara cyo hejuru cya fiberglass, twandikire:
Twama dushyigikiye filozofiya yumwuga nubunyangamugayo, kandi twiyemeje kuguha ibisubizo bimwe na serivisi zitekereje.
