Sehlogo se se akaretša kamoo o ka swantšhago lebelo la mola wa motšhene wa go tlotša le botelele bja ontong go kgonthišetša gore sekgomaretši sa organosilicone se fihlelela tekanyo ya go fodiša sepheo bakeng sa theipi ya PTFE ya themperetšha e phagamego. Molaotheo wa go swana wa motheo: palomoka ya nako ya bodulo t_palomoka = botelele bja ontong bjo bo šomago L ÷ lebelo la mola v ga se la swanela go ba ka fase ga nako ya go fola ye e nyakegago ya fasefase. Hwetša dimelo tša go fola ka diteko tša go fola tša DSC goba tša sekgomaretši tšeo di hlomago kamano ya 'themperetšha — nako ya go fola ya fasefase'. Equivalent cumulative pheko mohlala: arola ontong ka zones, bala ti = Li / v le tcure (Ti), netefatsa ∑ (ti / tcure (Ti)) ≥1. Ditshepetšo tša go bala: beakanya mafelo a themperetšha ka botelele bja Li le dithemperetšha Ti; beha mola lebelo v, bala nako ya bodulo ya zone ye nngwe le ye nngwe le tekanyo ya seabe; iterate ho fihlela palo yohle ≥1 (polokeho moedi 1.1-1.2 kgothaletswa).

Sehlogo se se akaretša ditlamorago tša mahlasedi a gamma-ray go sebopego le dithoto tša PTFE. Diphetogo tša sebopego sa dikhemikhale: mahlasedi a gamma a thuba diketane tše kgolo tša CC le diketane tša ka mahlakoreng tša CF (G-boleng 3.0-3.5), a hlola scission ye kgolo ya ketane le go theoga mo gogolo ga boima bja dimolekule; ka oksitšene, diradikale tša mahala di bopa diradikale tša peroxy tšeo di tsebagatšago dihlopha tša mafelelo tša acyl fluoride le esiti ya carboxylic (hydrolyzing go HF). Sebopego se se khupeditšwego se a fetoga: kristale e hlatloga mathomong (tekanyetšo ya fase, diketane tše kopana di beakanya gape) ke moka ya wa (tekanyetšo ye e phagamego, diphošo di šitiša dikristale); dikristale lamellar di arogana ka di-crystallites tše nnyane ka tatelano ya nako ye telele yeo e nyameletšego. Go senyega ga thepa: elongation ka go kgaotša go fokotšega go tšwa go 0.1 kGy moyeng, go lahlegelwa ke >90% ka ~ 1kGy — dilo tše di bonagalago di ba thata le go brittle; ntlha ya go qhibidiga e theoga go tšwa go 327°C go ya ka fase ga 310°C; dihlopha polar hanyenyane phahamisa dielectric kamehla / tahlehelo; bokagodimo bo fetoga go tšwa go bošweu go ya go botalalerata/botsothwa ka tahlegelo ya go phadima.

Sehlogo se se akaretša mehola ya tirišo ya lešela la themperetšha ya godimo ya Teflon ka go omiša ga eleketorode ya betri ya lithium. E dirišwa e le mapanta a go sepetša goba di- liner tša ontong, e rarolla mathata a mararo a motheo: go kgomarela ga slurry, go tšhungwa le go ngwatha ga di-electrode. Mafelo a mane a mohola: Electrode boleng le poelo - thepa-ba khahlanong le thupa thibela PVDF binder khomarela kgontsha bonolo peeling feletseng; go swara phišo ya go swana ka 100-140°C e thibela go phatloga/go fiša; boreleli holim felisa scratches le phofo tšoloha; Go swarelela le go tsepama ga tshepedišo - go ganetša dikhemikhale kgahlanong le NMP solvent le mouwane wa electrolyte ntle le go ruruga/go tšofala; maatla a godimo a go goga le go tsepama ga ditekanyo go tšwa go substrate ya fiberglass bakeng sa go beakanya ka nepo; go hlwekiša mo go bonolo ka mašaledi a manyenyane ge a bapetšwa le mapanta a letlooa a tšhipi.

Sehlogo se se akaretša tiragalo ya delamination ya lešela la themperetšha ya godimo ya Teflon. Delamination e bolela karoganyo le go ebola magareng ga go tlotša ga PTFE ga godimo le lešela la motheo la fiberglass ya ka gare goba magareng ga magato a mantši a go tlotša. Dipontšho tša pono: go phatloga/go phatloga (dibubble tše di phagamišitšwego ka maikutlo a sekoti) bjalo ka maswao a mathomo; interlayer peeling le tlotsa habonolo tlosoa ka maqephe a pepesa tšoeu fiberglass; go šweufala ga selegae go latelwa ke go phatloga ka morago ga phišo/kgohlano. Main dibaki: Thermal khatello ea kelello tshenyo - fapaneng mogote katoloso coefficients pakeng tsa PTFE le fiberglass bopa ka hare khatello ea kelello, ka potlako futhumatsang / tsidifatso didikadikwe baka detachment; Diphošo tša boleng bja tšweletšo - kalafo ya bokagodimo bja fiberglass ye e sa lekanego, go impregnation ya PTFE ye e fokolago, sintering ye e sa lekanego yeo e hlolago kgokagano ya segokanyimmediamentsi sa sebolokigolo ye e fokolago.

Sehlogo se se hlahloba diphetogo tša sebopego ka lešeleng la themperetšha ya godimo ya PTFE nakong ya botšofadi. dikarolo tse 'nè: PTFE tlotsa microstructure - limolek'hule ketane scission le oxidation (carbonyl / carboxyl sehlopha sebopeho), crystallinity liphetoho (pele tsoha ebe o phuhlama), micro-petsoha le pinhole sebopeho, holim phofo; Khalase faeba substrate le segokanyimmediamentsi sa sebolokigolo - sizing / coupling moemeli bola ho baka tahlehelo ea tlamo, segokanyimmediamentsi sa sebolokigolo debonding le delamination (blistering, libakeng tse tšoeu), khalase faeba marangrang kgogolego le embrittlement, alkali tšepe oxide pula bakang khatello ea kelello corrosion; Macroscopic sebopeho le ponahalo - 'mala phetoho (tšoeu → beige → sootho → ba batsho), shrinkage deformation le curling, holim roughening le benya tahlehelo, phofo ka ama, tahlehelo e feletseng ea ho feto-fetoga le maemo. Motheo wa botšofadi: tshepedišo ye e tšwelago pele ya 'go senyega ga go tlotša → go palelwa ga segokanyimmediamentsi sa sebolokigolo → go senyega ga substrate.'

Sehlogo se se hlaloša mokgwa wa phetogo ya maatla a go kgokagana a legato la sekgomaretši sa theipi ya themperetšha ya godimo ya PTFE ka morago ga botšofadi bja themperetšha ya godimo. Paterone ya dikgato tše tharo: Mogato wa go hlatloga wa ka morago ga go fodiša (go pepentšhwa ga themperetšha ya mathomo ka 200-260°C, dihlopha tša mašaledi tša go arabela di tšwela pele go kgokaganya sefapano, kgokagano e oketšega kudu); Kgato ya tekatekano ye e tsepamego (crosslinking e batamela go phethwa, kgokagano e dula e tsepame ka dinako tše telele); Go senyega le go fokotšega ga kgato (nako ye e feteletšego / themperetšha e hlola go senyega ga ketane ye kgolo, kgokagano e a fokotšega, sekgomaretši se a nolofala gomme se ba tacky). Dibaki tša medu ya go palelwa ga kgokagano (go gagoga ga ka gare go tlogela mašaledi) le go pitlela-ka ntle (phallo ya go tonya go tšwa mabopong ka lebaka la go fokotšega ga modulus) di a sekaseka.

Sehlogo se se hlaloša ka botlalo dikgopelo tša lešela la themperetšha ya godimo ya Teflon ka intastering ya maatla a letšatši. Core kopo ka modula lamination: lokolla lesela beha ka holimo / ka tlase PV dimmojule thibela qhibilihile EVA (140-150 ° C) ho khomarela ho futhumatsang platen kapa rabara poleiti, sireletsa thepa le ho netefatsa boreleli modula bokagodimo; laminator conveyor mabanta bakeng sa jarolla ka ho iketsa loading / unloading; rabara platen tšireletso lesela atolosa bophelo ba tšebeletso. Cell stringer soldering: conveyor mapanta jara lisele le lente ka futhumatsang zone, le bao e seng khomaretse holim hanyetsa flux le solder splashes; futhumatsang sethaleng cushions bakeng sa soldering workstations. Phahameng-mocheso kwahelang: phuthela bakeng sa futhumatsang diphaephe, thermocouples, megala ka laminators le phekola ontong; thepa mogote kwahelang dikgaretene le dithebe.

Sehlogo se se akaretša megato ya pele ga kalafo yeo e nyakegago bakeng sa lešela la fiberglass pele ga go kolobiša ka emulsion ya PTFE. Mohato 1: Mocheso kalafo / dewaxing ka 300-450 ° C ho ka ho feletseng tlosa paraffin boka le oli ho tloha faeba holim (paraffin boka, starch derivatives), masala a sizing dikahare hlokahala ka tlaase ho 0.2%, hlahisa 'mocheso-dewaxed lesela.' Mohato 2: Bokagodimo dikhemikhale kalafo - kopo ya silane coupling baemeli (KH-550, KH-560, A-174) go bopa filimi ya kgokagano ya dikhemikhale godimo ga tlhale, go kgontšha borogo bja dimolekule magareng ga ditlhale tša khalase tše di sa phelego le PTFE ya manyolo; masela ao a hwetšagalago kgwebong ao a alafilwego pele a ka tlola kgato ye eupša a swanetše go netefatšwa. Kgato ya 3: Go omiša le go ruthetša pele - go omiša ka 80-120°C ka diiri tše 1-2 go fokotša diteng tša monola ka fase ga 0.1%, go thibela go bopega ga bubble/lefeela nakong ya go fodiša.

Sehlogo se se tšweletša mekgwa ya go kaonafatša go ganetša ga go gagabela le go tsepama ga go swara ga nako ye telele ga theipi ya themperetšha ya godimo ya Teflon yeo e swarago kudu. Maano a kenyeletsa: Limolek'hule marangrang topology optimization - phahameng MQ silicone resin / marete karo-karolelano (1.2: 1-2: 1) bopa thata thata-mohato domains; go tsenywa ga dihlopha tša phenyl (20-30 mol%) go šitiša tšhišinyego ya ketane; crosslink boima ba molekule laolwa ka 5,000-15,000 g / mol; Gradient modulus multilayer sekgomaretsi sebopeho - primer-anchoring lera (1-3μm) le silane coupling moemeli, phahameng-modulus momahaneng lera (30-50μm) e le kuta-mahanyetsa marapo, viscoelastic mosebetsi lera (3-8μm) bakeng sa holim'a metsi; Nanofillers - fumed silica (10-25 wt%) le holim phetolo bopa reversible 'mele crosslinking.

Sehlogo se se hlaloša ka moo go tlotša ga PTFE go kgokaganago le substrate ya lešela la fiberglass ka lešeleng la Teflon ya themperetšha ya godimo. Tlamo ya dikhemikhale ye e lebanyago ga e kgonege ka lebaka la maatla a bokagodimo bja PTFE bja fase kudu. Tlamo e fihlellwa ka: Mechanical interlocking (mmele tlamo) - PTFE emulsion penetrates faeba likhaba le grips faeba diphuthelwana ka mor'a sintering; Silane coupling moemeli pretreatment - bopa limolek'hule borokho pakeng tsa inorganic khalase litlhale le manyolo primer; Dikhemikhale primer phetoho lera - sebelisa PAI, PPS, PES kapa PEEK resins le PTFE micropowder, sebediswa ka mor'a coupling kalafo ho bopa matla phetoho lera; Hot-qhibidiha sekgomaretsi filimi lamination - FEP kapa PFA lifilimi ( qhibiliha ntlha 260-310 ° C) tlamang pele ho thehoa PTFE lifilimi ho lesela; Gradient sebopeho ka multiple impregnation le sintering didikadikwe - dilute pele feta le binder / coupling moemeli penetrates tebileng ka litlhale, lateloa ke hloekileng PTFE impregnations, bōpa sebopeho gradient ho tloha fiberglass ho hloekileng PTFE.