Lesi sihloko sichaza ngokusetshenziswa kwendwangu ye-Teflon enezinga eliphezulu lokushisa embonini yamandla elanga. Ukusetshenziswa okuyisisekelo ku-module lamination: indwangu yokukhululwa ebekwe ngenhla / ngezansi kwamamojula e-PV ivimbela i-EVA encibilikisiwe (140-150 ° C) ekubambeleleni ku-platen yokushisa noma ipuleti yerabha, ukuvikela imishini nokuqinisekisa izindawo ezibushelelezi zemojula; amabhande okuhambisa i-laminator okulayisha/ukulayishwa okuzenzakalelayo; Indwangu evikelayo ye-rubber platen enweba impilo yesevisi. I-cell stringer soldering: amabhande okuthutha athwala amaseli kanye neribhoni endaweni yokushisisa, anendawo engeyona induku emelana nokuguquguquka kanye nama-solder splash; ama-cushions epulatifomu yokufudumeza ama-soldering workstations. Ukushisa okuphezulu kokushisa: ukugoqa amashubhu okushisa, ama-thermocouples, izintambo kuma-laminator namahhavini okwelapha; imishini amakhethini okushisa okushisa kanye nezihlangu.

Lesi sihloko sihlanganisa izinyathelo zokwelashwa ezidingekayo zendwangu ye-fiberglass ngaphambi kwe-PTFE emulsion impregnation. Isinyathelo 1: Ukushisa/ukukhipha iwaxisi ku-300-450°C ukuze kususwe ngokuphelele i-wax kapharafini namafutha endaweni yefayibha (i-wax kapharafini, okuphuma kusitashi), okuqukethwe kwensalela yokulinganisa okudingekayo ngaphansi kuka-0.2%, kukhiqiza 'indwangu ekhishwa ukushisa.' Isinyathelo 2: Ukwelashwa ngamakhemikhali angaphezulu - ukusetshenziswa kwe-silane, i-KH-50 yokuhlanganisa i-KH-50 A-174) ukwakha ifilimu yokuhlanganisa amakhemikhali endaweni yefayibha, evumela ibhuloho lamangqamuzana phakathi kwemicu yengilazi ye-inorganic glass kanye ne-organic PTFE; izindwangu ezitholakala ngokudayisa eselashwe ngaphambilini zingaseqa lesi sinyathelo kodwa kufanele ziqinisekiswe. Isinyathelo sesi-3: Ukomisa nokushisa kuqala — ukomisa ku-80-120°C amahora angu-1-2 ukuze kuncishiswe umswakama ongaphansi kuka-0.1%, ukuvimbela ukwakheka kwamabhamuza/okungenalutho ngesikhathi sokwelashwa.

Lesi sihloko sihlola izinguquko zesakhiwo sendwangu ye-fiberglass ehlanganiswe ne-PTFE ezindaweni ezigqwalile ngamakhemikhali. Ukufakwa kwe-PTFE kuzinze ngokwedlulele emithonjeni eminingi yezindaba (okuhlanganisa i-aqua regia, ama-acid agxilile, izinyibilikisi eziphilayo) - amaketanga wamangqamuzana ahlala engashintshile. Okuhlukile: izinsimbi ze-alkali ezincibilikisiwe zikhipha i-fluorine ebangela i-carbonization (nsundu/emnyama, eshwabene); ama-fluorinating agents aqinile (F₂, ClF₃) aphula umgogodla we-carbon-carbon; ezinye izinyibilikisi zohlobo lwe-Freon zibangela ukuvuvukala; ama-acid oxidizing agxilile ashisayo ethula kancane kancane amaqembu asezindaweni ezishisayo.

Lesi sihloko sichaza ngokusetshenziswa kwendwangu ye-fiberglass ehlanganiswe ne-PTFE embonini yezogesi kanye nogesi. Izindawo eziyisithupha eziyinhloko: Ukushisa nokushisa okuphezulu kakhulu - ukufakwa kwe-motor inter-turn/slot/phase insulation, i-transformer layer insulation, ukugoqa ikhoyili, ukuhlukaniswa kwemishini yokushisisa kagesi; Ukukhiqizwa kwe-copper-clad laminate kanye ne-PCB - indwangu yokukhulula ku-PCB lamination, prepreg kanye ne-CCL ehlanzekile yokudlulisa; I-elekthronikhi i-soldering — imaski ye-solder ye-wave/reflow soldering (ukuvikela umunwe wegolide), amabhande okuhambisa kuhhavini agelezayo, omata bendawo yokusebenzela, amakhava okuvikela isibhamu somoya oshisayo; Ikhebula nezintambo zokubopha — itheyiphu yokugoqa ikhebula lokushisa eliphezulu, imikhono eshisayo kanye namakhava angashi, amabhande okuhambisa amashubhu ancipha ukushisa; I-Anti-static kanye ne-cleanroom - amabhande okuthutha egumbi elihlanzekile kanye nomata bendawo yokusebenza, i-semiconductor kanye ne-photovoltaic yokushisa ephezulu yokushisa.

Lesi sihloko sethula izindlela zokuhlola zokunqanda ukunamathela kanye nezakhiwo zokuhlanza kalula zendwangu ye-fiberglass ehlanganiswe ne-PTFE ngokumelene namabala kawoyela nothuli. Izindlela zifaka: I-engeli yokuxhumana kanye nokuhlola amandla angaphezulu — i-engeli yokuthinta amanzi ngokuvamile >110°, i-rolling angle越小越好, amandla angaphezulu ku-18-20 mN/m; Ukuhlolwa kwekhasi lomshini — amandla e-peel angu-180° anetheyiphu evamile, ekahle <0.1 N/25 mm; Ukuhlolwa okulingisiwe kokumelana nowoyela — indlela yokushelela/yensalela yebala likawoyela, ukusebenza kahle kokuhlanza kokusula kusetshenziswa umehluko wombala ΔE isilinganiso (esincane ΔE = ukuhlanzwa okungcono), kanye nokuhlola komaka okunamafutha okusheshayo (ukuncipha kukayinki kubonisa ukunqanda ukungcola); Ukuhlola uthuli - indlela yokulungisa uthuli ngokuhlaziywa kwesithombe, ukususwa kothuli lokugeleza komoya okulinganisa ubuncane besivinini sokuphehla, kanye nokuhlolwa kwe-electrostatic adsorption ngokusebenzisa ukumelana nendawo; Ukuhlola ukuqina — phinda zonke izivivinyo ngemva kokuguga okunezinga lokushisa eliphezulu (260°C/300°C) noma ukuhuzuka kwe-Taber ukuze kuqinisekiswe ukuqina kokusebenza kwesikhathi eside.

Lesi sihloko sihlanganisa ukusetshenziswa kwendwangu ye-Teflon high-temperature (indwangu ye-fiberglass eboshwe nge-PTFE) emkhakheni we-aerospace. Izindawo zesicelo esibalulekile: Ukukhiqizwa kwezinto ezihlanganisiwe - indwangu yokukhulula / ifilimu ekubunjweni kwe-autoclave, izendlalelo zokuhlukanisa, amabhande okuthutha asezingeni eliphezulu okukhiqizwa kwangaphambili; Injini kanye nokuvikelwa kokushisa okushisayo okuphezulu - izingubo zokuvala ezishisayo, i-firewall cladding, ukuxhumana okuguquguqukayo okunokushisa okuphezulu; Ukufakwa kukagesi nokuvikela izintambo zezintambo - ukusonga ikhebula emagumbini enjini kanye nezindawo zokumisa amagiya; Ingaphakathi lendiza kanye nokuvikela umlilo — amakhethini omlilo/izithiyo zentuthu ezihlangabezana nezindinganiso ze-FST, ukumbozwa kwengubo yokuvala okushisayo/okuzwakalayo; Izinhlelo zokusebenza ze-Space kanye ne-aerospace - ama-multi-layer insulation (MLI) ama-assemblies, ama-anti-cold-weld lubrication liner wezindlela zokuthunyelwa kwamaphaneli elanga namahinge e-antenna, indwangu yokulawula ukushisa.

Lesi sihloko sichaza ukuthi i-PTFE inamathela kanjani ku-fiberglass fabric substrate engutsheni ye-Teflon enezinga eliphezulu lokushisa. Ukuhlanganiswa kwamakhemikhali okuqondile akunakwenzeka ngenxa yamandla angaphezulu aphansi we-PTFE. Ukubophezela kufinyelelwa: Ukuxhumanisa ngomshini (ukubopha ngokomzimba) - I-emulsion ye-PTFE ingena ezikhaleni ze-fiber futhi ibambe izinyanda ze-fiber ngemva kokucwiliswa; I-Silane coupling agent pretreatment - yenza ibhuloho lamangqamuzana phakathi kwemicu yengilazi ye-inorganic kanye ne-organic primer; Isendlalelo se-Chemical primer transition layer — kusetshenziswa i-PAI, i-PPS, i-PES noma i-PEEK resins ene-PTFE micropowder, esetshenziswa ngemva kokuhlanganisa ukwelashwa ukuze kwakheke ungqimba oluqinile loguquko; I-hot-melt adhesive adhesive film lamination — Amafilimu e-FEP noma e-PFA (iphuzu elincibilikayo elingu-260-310°C) ahlanganisa amafilimu e-PTFE enziwe ngaphambilini endwangu; Isakhiwo segrediyenti ngemijikelezo yokufakwa okuningi kanye ne-sintering — nciphisa iphasi yokuqala nge-binder/coupling ingena ijule kumafayibha, ilandelwe ukufakwa okumsulwa kwe-PTFE, idala ukuhleleka kwegradient kusuka ku-fiberglass kuya ku-PTFE emsulwa.

Lesi sihloko sethula izinzuzo zendwangu ye-PTFE yokushisa okuphezulu njengemidiya yesihlungi sezinga lokushisa eliphezulu. Amandla ayisihluthulelo ayisithupha: Ukumelana nokushisa okuvelele (okuqhubekayo okungu-260 ° C, ukuphakama ~ 300 ° C), okudlula i-PPS (190 ° C) ne-aramid (200 ° C); Ukungasebenzi kwamakhemikhali okwedlulele ngokumelene nama-asidi, ama-alkali, izinyibilikisi nama-oxidants, ukumelana ne-hydrolysis, i-aramid esebenza kahle kakhulu kanye ne-P84 kugesi eshisa izikhotha; Ukusebenza okuphezulu kokuhlanza uthuli okunamandla angaphezulu aphansi okwenza kube lula ukususa ikhekhe lothuli kanye nokwehla kwengcindezi ephansi; Ukusebenza kahle kokuhlunga ngosayizi wezimbotshana ezingu-0.1-3μm ezithatha ngaphezu kuka-99.99% wezinhlayiya ze-PM2.5; Ukungashi nge-LOI ngaphezu kwama-95%, kunezinketho zokulwa ne-static ezitholakalayo; Amandla okusebenza aphezulu avela ekuqinisweni kwe-fiberglass, enemidiya yefayibha ye-PTFE ehlanzekile enikeza ukuguquguquka kanye > nempilo yesevisi yeminyaka emi-4. Iqhathanisa kahle ne-PPS, i-aramid, i-Nomex, i-P84 kanye nemidiya yesihlungi se-fiberglass kuwo wonke amazinga okushisa, ukumelana namakhemikhali, ukumelana ne-hydrolysis kanye nokusebenza kokuhlanza.

Lesi sihloko sinikeza isiqondiso esihlelekile sokuvimbela imibimbi engutsheni ye-PTFE enezinga lokushisa eliphezulu ngesikhathi sokushisa. Imibimbi ibangelwa ngokuyisisekelo ukuncipha kokushisa okungalingani kanye nokucindezeleka okungaguquki. Izixazululo zihlanganisa ukugeleza komsebenzi okugcwele: ukulawulwa kwe-substrate yezinto ezingavuthiwe (ukukhishwa okuphelele kwe-dewaxing / ukushisa ukuze kuqedwe ukucindezeleka kwangaphakathi); ukukhulelwa nokomisa (izingubo ezincanyana eziningi, i-gradient yokushisa emnene, ama-drive rollers asebenzayo); isilawuli sesithando somlilo (i-1-3% i-overfeed yesibonelelo sokuncipha okushisayo, isilawuli se-micro-tension se-closed-loop, ukufana kwezinga lokushisa okuguquguqukayo phakathi kuka-±5°C, ijika lokupholisa le-gradient preheating-sintering-cooling, izithando zomoya ezintantayo njengesixazululo esilungile, amarola okusakaza agobile); ukupholisa nokusetha (ukupholisa kancane kancane, gcina ukusabalala kuze kube ngaphansi kuka-100°C, ukupholisa okugcwele ngaphambi kokusongwa); ukuqapha okuku-inthanethi ngokuhlola ukukhanya okuqinile nokuskena kwe-infrared.

Lesi sihloko sihlaziya ukuthi ukwelashwa kwe-sandblasting noma ukuqeda i-matt kusithinta kanjani isakhiwo esingaphezulu sendwangu ye-PTFE yezinga lokushisa eliphezulu. Ushintsho lwenzeka ngezinhlangothi ezintathu: I-Microscopic morphology ishintsha isuka ebushelelezi njengesibuko iye ekuthungeni kwe-gully emaholoholo ngamavelu akhuphuke ngokucijile e-Ra/Rz, idale izakhiwo zokunamathisela ze-3D zokuhlanganisa ukuze kuhlanganiswe okulandelayo. Ubuqotho bokwemboza bubhekene nezingozi: Ukuncipha kongqimba lwe-PTFE, ukuchayeka okungaba khona kwe-fiberglass substrate (okubangela ukulahleka kwempahla engagxili, ukungena komswakamo, namandla okusebenza ancishisiwe), kanye nama-microcracks kanye nokukhiqizwa kwemfucumfucu.