Maqaalkani waxa uu baari doonaa isbeddellada qaabdhismeedka ee PTFE-dahaarka leh muraayadaha fiberglass ah ee jawiga daxalka leh. Dahaarka PTFE aad buu u deggan yahay inta badan warbaahinta (oo ay ku jiraan aqua regia, acids-ka uruursan, dareerayaasha organic) - silsiladaha molecular weli waxba iskama beddelin. Waxyaabaha ka reeban: biraha alkali ee dhalaalay waxay soo saaraan fluorine taasoo keenaysa karbonization (brown/madow, jeexan); Walxaha fluorinada ee xooggan (F₂, ClF₃) jebiya lafta kaarboon-kaarboon; Qaar ka mid ah dareerayaasha nooca Freon waxay keenaan barar; Asiidhyada oksaydhaynta ee diirran ee kulul ayaa si tartiib tartiib ah u soo bandhigaya kooxaha dabaylaha ee dusha sare.

Maqaalkani wuxuu faahfaahinayaa codsiyada PTFE-dahaarka muraayadaha fiberglass ee elektiroonigga ah iyo warshadaha korontada. Lix meelood oo waaweyn: Dabool heerkul sare ah iyo ilaalin - matoorka is-rog-rogid/daloolka/dahaarka wejiga, dahaarka lakabka beddelka, duubka gariiradda, go'doominta qalabka kuleylka korontada; Laminate-ka-xidhka-Copper-ka iyo PCB-ga-soo-saarka maro-ka-sii-daynta maro PCB-ga, prepreg iyo gudbinta nadiifka ah ee CCL; Alxanka elektarooniga ah - alxanka daboolka alxanka mowjadaha/soo celinta alxanka (ilaalinta farta dahabka ah), suumanka qaada foornada dib u soo celinta, sariiraha alxanka shaqada, daboolka ilaalinta qoryaha hawada kulul; Xadhkaha fiilooyinka iyo fiilooyinka - cajalad fiilada heerkulkeedu sarreeyo, gacmo-kulul iyo dabool dab-damis ah, suunka wax-qabadka balaadhinta tuubooyinka kulaylka; Ka-hortagga iyo qolka nadiifka ah - suumanka qaada qolka nadiifka ah iyo dermooyinka goobta shaqada, semiconductor iyo gudbinta heerkulka sare ee sawirkavoltaic.

Maqaalkani waxa uu soo bandhigayaa hababka qiimaynta ee ka-hortagga-ku-dhejinta iyo nadiifinta sifudud ee dharka PTFE-dahaarka leh ee ka soo horjeeda wasakhowga saliidda iyo boodhka. Hababka waxa ka mid ah: xagal xidhiidhka iyo tijaabada tamarta dusha - xagal xidhiidhka biyaha sida caadiga ah>110°, xagal rogroga 越小越好, tamarta dusha ugu fiican 18-20 mN/m; Tijaabada diirka makaanikada - 180 ° xoogga diirka oo leh cajalad caadi ah, ku habboon <0.1 N/25 mm; Tijaabooyinka iska caabbinta saliidda ee la midka ah - habka wasakhaynta saliidda / hadhaaga, waxtarka nadiifinta tirooyinka tirooyinka iyadoo la adeegsanayo cabbirka farqiga midabka ΔE (ka yar ΔE = nadiifinta wanaagsan), iyo tijaabada calaamadaynta saliidda degdega ah (dhimista khadku waxay muujinaysaa ka-hortagga wasakhda wanaagsan); Tijaabada siigada - Habka dejinta boodhka oo leh falanqayn muuqaal ah, ka saarida boodhka socodka hawada oo cabbiraysa xawaaraha ugu yar ee garaaca, iyo qiimaynta xayeysiinta korantada ee loo maro iska caabin dusha sare ah; Qiimaynta cimri dhererka - ku celi dhammaan imtixaanada ka dib gabow heerkul sare ah (260°C/300°C) ama xajinta Taber si loo hubiyo xasiloonida waxqabadka muddada-dheer.

Maqaalkani wuxuu daboolayaa codsiyada Teflon maro heerkul sare ah (dharka fiberglass-dahaarka leh ee PTFE) ee garoonka hawada sare. Meelaha muhiimka ah ee codsiga: wax soo saarka walxaha isku dhafan - sii daaya maro/filim ku jira qaabaynta autoclave, lakabyada go'doominta, suumanka gudbinta heerkulka sare ee wax soo saarka prepreg; Matoorka iyo ilaalinta kulaylka heerkulka sare - bustayaal kuleylka kuleylka ah, daboolka dabka, isku xirka heerkulka sare ee dabacsan; Dahaarka korantada iyo ilaalinta xadhkaha fiilooyinka - fiilooyinka ku duubida qaybaha mishiinka iyo meelaha geerarka; Gudaha diyaaradaha iyo ilaalinta dabka - daahyada dabka/caqabadaha qiiqa ee buuxinaya heerarka FST, kuleyl/coustic dahaarka buste; Codsiyada boosaska iyo hawada hawada - ururrada dahaarka-lakabka badan (MLI), xadhkaha saliidda-qabowga-ka-hortagga leh ee hababka geynta guddida qoraxda iyo xirmooyinka anteenada, marada xakamaynta kulaylka.

Maqaalkani waxa uu sharxayaa sida daahan PTFE curaarta in substrate marada fiberglass in Teflon maro heerkul sare. Isku xidhka tooska ah ee kiimikadu waa wax aan suurtagal ahayn sababtoo ah tamarta dusha aadka u hooseeya ee PTFE. Isku-xidhka waxa lagu gaaraa: Isku xidhid makaanikal (isku xidhid jireed) - Emulsion PTFE waxa uu galaa godadka fiber-ka wuxuuna qabtaa xidhmooyin fiber ka dib marka la isku xidho; Daaweynta isku dhafka ah ee Silane - waxay samaysaa buundada molecular ee u dhaxaysa fiilooyinka galaaska ee aan noolaha ahayn iyo alwaax dabiici ah; Lakabka kala-guurka kiimikaad - iyadoo la adeegsanayo PAI, PPS, PES ama PEEK resins oo leh budada PTFE, la marsaday daawaynta isku-xidhka ka dib si loo abuuro lakab kala-guur oo adag; Ku-kulul-dhalashada filimka lamination - filimada FEP ama PFA (barta dhalaalaysa 260-310 ° C) isku xidhka aflaanta PTFE ee hore loo sameeyay ee dharka; Qaab dhismeedka gradient iyada oo loo marayo impregnation badan iyo wareegyada sintering - ku milo ka gudubka ugu horeysay leh binder/isku xidhka wakiil qoto dheer galay fiilooyinka, oo ay ku xigto impregnations PTFE saafi ah, abuurista gradient ka kooban fiberglass ilaa PTFE saafi ah.

Maqaalkani waxa uu ka hadlayaa sida qaab-dhismeedka microporous ee naqshadaynta cajaladda heerkulka sare leh ee Teflon (PTFE) ay u dheellitirto xajinta hawada ee dahaarka iyo guryaha aan dhejiska lahayn. Iskahorimaadka asaasiga ah: qulqulka hawadu waxay u baahan tahay dalool furan, halka dahaarka uu dalbanayo cufnaanta iyo dheg la'aantu waxay u baahan tahay sagxad siman. Xeeladaha naqshadaynta dheellitiran: xakamaynta celceliska dhexroorka daloolka (0.1-2μm, ugu fiican <0.5μm) si looga hortago dhalaalidda dhexgalka iyo ilaalinta tamarta burburka; xakamaynta porosity at 50-70% (≈60% ugu fiican) gaaritaanka Gurley 20-100s / 100cc iyo xoogga dielectric ≥2kV ee filimka 0.13mm; Qaado qaab-dhismeedka dalool ee shabakada 3D-tortuosity-sare (τ≈2.5-4) si loo xakameeyo kanaalka dheecaanka tooska ah; ku dhis qaab dhismeedka daloolada asymmetrical leh lakabka maqaarka oo cufan (1-5μm) oo loogu talagalay dhejis la'aanta/dahaadhka iyo gudaha dalool ee neefsashada; dalbo super-oleophobic/hydrophobic oogada daawaynta ka dib iyada oo aan daldadu xirmin.

Maqaalkani wuxuu soo bandhigayaa faa'iidooyinka PTFE maro heerkul sare ah sida warbaahinta shaandhaynta heerkulka sare. Lixda awoodood ee muhiimka ah: Iska caabin heerkul sare ah (260 ° C oo joogto ah, ugu sarreysa ~ 300C), oo dhaafsan PPS (190°C) iyo aramid (200°C); Qallafsanaan kimiko ah oo aad u daran oo lid ku ah asiidhyada, alkalis, dareerayaasha iyo oksaydhiyeyaasha, hydrolysis-u adkaysta, aramid ka sarreeya iyo P84 ee gaasta qiiqa wasakhda ah; Waxqabadka nadiifinta siigada sare leh oo leh tamar dusha aadka u hooseeya oo awood u siinaysa ka saarista keega boodhka fudud iyo hoos u dhaca cadaadiska hooseeya ee joogtada ah; Hufnaanta sifaynta heer sare ah oo leh cabbirada daloolka 0.1-3μm qabashada wax ka badan 99.99% ee qaybaha PM2.5; Dab-damis la'aan leh LOI oo ka sarreeya 95%, oo leh xulashooyinka ka-hortagga ah ee taagan; Xoogga farsamada sare ee xoojinta fiberglass, oo leh warbaahinta PTFE ee saafiga ah ee fiber-ka oo bixisa dabacsanaan iyo> 4 nolosha adeegga sanadka. Wuxuu si wanaagsan u barbar dhigayaa PPS, aramid, Nomex, P84 iyo fiberglass shaandhaynta warbaahinta heerkulku, caabbinta kiimikaad, caabbinta hydrolysis iyo waxqabadka nadiifinta.

Maqaalkani wuxuu bixiyaa xalal nidaamsan oo looga hortagayo haraaga xabagta iyo dhiigbaxa koollada marka la isticmaalayo PTFE cajalad heerkul sare ah si loo ilaaliyo faraha dahabka PCB inta lagu jiro kulanka SMT. Falanqaynta sababta xididka: hadhaaga waxay ka timaadaa fashilka wadajirka ah ama wareejinta wejiga; Dhiigbaxa wuxuu ka yimaadaa dhibicda viscosity iyo koollada xad dhaafka ah ee kulaylka dib u qulqulaya. Xalka ugu muhiimsan waa xulashada cajaladda saxda ah: silikoon PSA oo leh muddada gaaban ee ugu sarreysa ≥300 ° C, joogto ah ≥260 ° C, dhumucdiisuna tahay 0.08-0.13mm oo leh lakabyo dhejisyo isku xiran oo khafiif ah, iyo shahaado ka hortagga dhiig-baxa/hadhaaga. Xakamaynta habka lix-tallaabo: nadiifinta hore ee IPA; lamination eber ah oo leh daad-gureynta hawada buuxda; Heerkul dib-u-qulqulaya oo la hagaajiyay oo leh kuleyl khafiif ah (<2°C/s); diirka qabow ee ka hooseeya 50 ° C xagal 180 °; habayn degdeg ah 24 saacadood gudahood iyo isticmaalka kaliya; la tacaalida guuldarada ee masaxidda IPA iyo 40-50x kormeerka weyneeya. PCB-yada laba-geesoodka ah, ku beddel cajalad cusub ka hor habaynta dhinaca labaad.

Maqaalkani wuxuu bixiyaa hagitaan nidaamsan oo ku saabsan ka hortagga laalaabyada ee maro heerkul sare ah ee PTFE inta lagu jiro sintering. Laalaabku asal ahaan waxaa sababa kulaylka oo yaraada iyo walbahaarka aan joogtada ahayn. Xalku waxay daboolayaan qulqulka shaqada oo buuxa: xakamaynta substrate alaabta ceeriin (goob ka-saarid dhammaystiran / kuleyl si loo baabi'iyo walbahaarka gudaha); impregnation iyo qalajinta (daaha dhuuban oo badan, heerkul tartiib tartiib ah, rollers drive firfircoon); Xakamaynta foornada sintering (1-3% quudinta dheeraadka ah ee gunnada yaraynta kulaylka, kontoroolka-xakamaynta-yaraanta-xiran, isku-dhafka heerkulka beddelka ah ee gudaha ± 5 ° C, qalooca kuleylka preheating-sintering-qaloojinta, foornooyinka sabbaynta hawada sida xalka ugu fiican, rolalka fidsan fidsan); qaboojinta iyo dejinta (qabow tartiib tartiib tartiib ah, sii faafi faafinta ilaa ka hooseeya 100 ° C, qaboojin buuxda ka hor intaanad dabaysnayn); la socodka khadka tooska ah oo leh kormeer iftiin xoog leh iyo iskaanka infrared.

Maqaalkani waxa uu falanqeynayaa sida ciid-qarxinta ama daaweynta dhamaystirka matt ay u saamayso qaabka dusha sare ee PTFE maro heerkul sare ah. Isbeddellada waxay ku dhacaan saddex cabbir: Moofoloji-yar oo isku beddesha muraayad siman-sida oo u ekaanaysa qaab-dhismeed qallafsan oo leh qiyamka Ra/Rz oo aad u kordhay, abuurista qaab-dhismeedyo farsamo oo 3D ah oo loogu talagalay isku-xidhka xiga. Daacadnimada hufnaanta waxay wajaheysaa khataro: khafiifinta lakabka PTFE, soo bandhigida suurtagalka ah ee substrate fiberglass (sababta luminta hantida aan dhegta lahayn, dhex galka qoyaanka, iyo hoos u dhigida xoogga makaanikada), oo lagu daray microcracks iyo jiilka qashinka.