Ukubuka: 0 Umbhali: Isikhathi Sokushicilela Isihleli Sesayithi: 2026-06-25 Umsuka: Isayithi
Ekukhiqizeni kwe Indwangu ye-PTFE enezinga eliphezulu lokushisa , isinyathelo sokumilisa sisebenzisa i-emulsion ye-PTFE (i-aqueous dispersion). Kodwa i-emulsion ye-PTFE eluhlaza iyodwa kunzima ukuyicubungula ngempumelelo. Ama-thickeners ayengezwa ukuze aguqule ukuziphatha kwawo kwe-rheological nokuzinza.
Kungani? I-PTFE resin inokuminyana okuphezulu futhi ijwayele ukuzinza. Ngaphandle kwama-thickeners, i-emulsion yayizohlukana, ingene ijule kakhulu ibe yindwangu, noma ikhiqize ama-coatings angalingani.
I-Aokai PTFE ithuthukise ukukhethwa kokuqina kuwo wonke amafomula amaningi okufaka. Lesi sihloko sichaza imisebenzi emine eyinhloko yama-thickeners ku-PTFE emulsion.
I-PTFE resin inokuminyana okuphezulu (cishe u-2.2 g/cm³) futhi ijwayele ukuzinza futhi ibe lukhuni kakhulu emanzini. Ngaphandle kokuzinzisa, i-emulsion ihlukanisa ibe isendlalelo esicebile se-sediment kanye nesendlalelo se-liquid esicacile - okwenza singasebenziseki ukugqoka okuhambisanayo.
Indlela ama-thickeners asebenza ngayo: Ama-thickeners aphakamisa kakhulu i-viscosity yesigaba samanzi, akha isakhiwo senethiwekhi esisekela izinhlayiya ze-resin. Lokhu:
Inweba impilo yeshelufu ye-emulsion - ihlala isebenziseka izinyanga kunezinsuku
Ivimbela ukuhlukaniswa kwesigaba ngesikhathi sokuthutha nokugcinwa
Iqeda ikhekhe - inzika eqinile ngaphansi kweziqukathi
Inothi le-Aokai PTFE: Kuma-emulsions agcinwe ngaphezulu kwezinsuku ezingama-30, sincoma ukuthi uphinde uhomogenization ngaphambi kokusetshenziswa, ngisho nama-thickeners, njengoba ukugcinwa okumile okuhlala isikhathi eside kusengadala ukunensa.
Ama-thickeners anikeza i-emulsion ngokuziphatha kwe-shear-thinning (pseudoplastic): i-viscosity ephezulu ekuphumuleni, i-viscosity ephansi ngaphansi kokuyaluza..
Isimo |
I-Viscosity |
Zuza |
|---|---|---|
Uphumule (umile ethangini) |
Phezulu |
Ivimbela ukulungiswa kwezinhlayiya ze-PTFE |
Ngesikhathi sokuyaluza/kuxutshwa |
Phansi |
Ukupompa okulula, ukuxuba okulinganayo |
Ngesikhathi sokumboza/ukukhulelwa |
Phansi (ngaphansi kwe-shear) |
Ileveli eshelelayo, ukungena okujulile ku-fiberglass |
Ngemuva kokumboza (i-static) |
Ukululama ngokushesha |
Iqeda ukuhlehla ezindaweni eziqondile, ivimbela imithelela |
Umthelela ongokoqobo: Ngesikhathi se-dip coating, i-emulsion igeleza ngokukhululekile endwangu ye-fiberglass ngaphansi kwe-shear, bese ishuba ngokushesha ngemva kokumbozwa ukuze kugcinwe ukujiya kwefilimu emanzi okufanayo ngaphandle kwamadriphu.
Lapho umilisa ama-substrates anembobo njengendwangu ye-fiberglass, ukulungisa uhlobo nomthamo wama-thickeners kuvumela ukulawula okunembile kokujula kokungena kwe-emulsion..
Ukujula Kokungena |
Umphumela |
|---|---|
Kujule kakhulu |
I-resin eyeqile ingena ngendwangu - ukucosha inhlaka ephezulu, ukuzwa kwesandla esiqinile, ukumoshakala kwezinto |
Ayishoni kakhulu |
I-resin enganele endaweni yendwangu - izakhiwo ezingezinhle ezingenazintambo, i-fiberglass eveziwe |
Okufanelekile |
Ibhalansile - I-PTFE ihlanganisa imicu, indawo ebushelelezi, ukuguquguquka okuhle |
Indlela ama-thickeners akulawula ngayo lokhu: I-viscosity ephakeme ibambezela ukungena, ishiye inhlaka eyengeziwe phezulu. I-viscosity ephansi ivumela ukungena okujulile kunqwaba ye-fiberglass. Lokhu kunquma ukulayishwa kokugcina kwe-resin nomuzwa wesandla wemikhiqizo eqediwe.
I-viscosity eyanele evela ku-thickeners:
Icindezela ukuqhekeka okubangelwa ukufuduka komswakama ngokushesha ngesikhathi somiswa
Ivimbela ukujiya okungalingani (imiphetho ewugqinsi, indawo ephakathi encane)
Isiza ukwakheka kwamafilimu ayisicaba, aqhubekayo
Yehlisa 'umphumela wokukhala kwekhofi' lapho i-emulsion ithuthela emaphethelweni
I-emulsion ye-PTFE idinga i-sintering cishe ku- 380°C ukuze ihlanganise izinhlayiya ze-PTFE zibe ifilimu eqhubekayo. Lokhu kuveza isidingo esiyingqayizivele kuma-thickeners:
Ama-thieners akhethiwe kufanele ashise ngokuphelele ngaphandle komlotha osele kulokhu kushisa.
Ikhwalithi ye-Thickener |
Umphumela Ngemva Kwe-Sintering |
|---|---|
Ukuhlanzeka okuphezulu, okuvutha ngokuphelele |
Hlanza i-PTFE enamathela, umbala omhlophe omsulwa, ukufakwa kukagesi okugcwele |
Ngezinsalela ze-inorganic |
Amachashaza omlotha, ukushintsha kombala ophuzi, amandla ancishisiwe e-dielectric, ukukhubazeka kokunamathela |
I-Aokai PTFE isebenzisa izingqimba ezisekelwe ku-cellulose (isb, i-methyl cellulose) ezishisa ziphele ku-380°C, zingashiyi umlotha. Sincoma ukuthi ugweme ukuqina okuqukethe usawoti we-inorganic noma ama-oxide ensimbi ashiya insalela.
Umsebenzi |
Imfuneko |
|---|---|
Ukuzinzisa ukumiswa |
Yakha isakhiwo senethiwekhi ukuze isekele izinhlayiya ze-PTFE ezixinene kakhulu |
Ukunciphisa i-shear |
Inika amandla ukupompa okulula, ukunamathela, nokungena |
Ukulawula ukungena |
Ilungisa ukuqoshwa kwe-resin nomuzwa wesandla wendwangu |
Ukufana kwefilimu |
Ivimbela ukuqhekeka kanye nokomisa okungalingani |
I-sintering engenazinsalela (okubalulekile) |
Kumelwe ishise ngokuphelele ku-~380°C – umlotha onguziro, ukushintsha kombala okuyiziro |
I-Aokai PTFE ikhetha amajikijolo abhalansisa yonke imisebenzi emine ngenkathi iqinisekisa ukusha okuphelele ngesikhathi sokushisa. Ukuze uthole ukwakheka ngokwezifiso kokufakwayo, singalungisa uhlobo lwe-thickener kanye nomthamo ukuze uhambisane nesisindo sakho esikhethekile sokumboza kanye nezidingo zokungena kwendwangu.
Lesi sifinyezo sezobuchwepheshe sihlinzekwa ngu I-Jiangsu Aokai New Material Technology Co., Ltd.
Uma udinga imininingwane eningiliziwe, amakesi ohlelo lokusebenza kanye nezixazululo ezenziwe ngokwezifiso zohlu lwethu olugcwele lomkhiqizo okubandakanya izindwangu ze-PTFE ezishisa kakhulu, amateyipu anamathelayo e-PTFE, amabhande anezikhala we-PTFE, amabhande omshini wokuhlanganisa angenamthungo, indwangu eboshwe ohlangothini olulodwa lwe-PTFE, amabhande okuhambisa angavimbeli ukushisa kanye nezinga lokushisa eliphezulu ngezansi kwe-fiberglass ngokusebenzisa izindwangu, sicela.
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