Lesi sihloko sihlanganisa indlela yokufanisa isivinini somugqa womshini wokumboza kanye nobude be-ovini ukuze kuqinisekiswe ukunamathela kwe-organosilicone kufinyelela izinga lokuphulukisa eliqondiwe letheyiphu ye-PTFE yokushisa ephezulu. Isimiso sokufanisa esiyinhloko: isikhathi sokuhlala sisonke t_total = ubude behhavini obusebenzayo L ÷ isivinini somugqa v akumelwe sibe ngaphansi kwesilinganiso esincane esidingekayo sokwelapha. Thola izici zokwelapha nge-DSC noma ukuhlola okunamathelayo okusungula ubuhlobo 'izinga lokushisa - ubuncane besikhathi sokwelapha'. Imodeli yokwelapha eqongelelekayo elinganayo: hlukanisa i-ovini ibe izindawo, bala i-ti=Li/v kanye ne-tcure(Ti), qinisekisa ∑(ti/tcure(Ti)) ≥1. Izinqubo zokubala: setha izindawo zokushisa ezinobude uLi namazinga okushisa Ti; setha isivinini somugqa v, ubale isikhathi sokuhlala sendawo ngayinye nesilinganiso somnikelo; phinda kuze kube isamba esingu-≥1 (imajini yokuphepha engu-1.1-1.2 iyanconywa).

Lesi sihloko sihlanganisa imiphumela ye-gamma-ray irradiation kusakhiwo nezakhiwo ze-PTFE. Izinguquko zesakhiwo samakhemikhali: imisebe ye-gamma iphula amaketango ayinhloko e-CC kanye namaketango aseceleni e-CF (inani le-G 3.0-3.5), okubangela ukugoqa okukhulu kweketango kanye nokwehla okukhulu kwesisindo samangqamuzana; ku-oxygen, ama-radicals amahhala enza i-peroxy radicals ethula i-acyl fluoride kanye namaqembu okuphela kwe-carboxylic acid (i-hydrolyzing kuya ku-HF). Isakhiwo esijiyile siyashintsha: i-crystallinity ikhuphuka ekuqaleni (umthamo ophansi, amaketanga amafushane ahlela kabusha) bese ewa (umthamo ophezulu, amaphutha aphazamisa amakristalu); i-lamellar crystals fragment ibe amakristalu amancane ane-oda lebanga elide elanyamalala. Ukuwohloka kwempahla: ubude ngesikhathi sekhefu buyehla ukusuka ku-0.1 kGy emoyeni, ukulahlekelwa > 90% ku-~1kGy — impahla iba lukhuni futhi ibe brittle; indawo yokuncibilika yehla isuka ku-327°C iye ngaphansi kuka-310°C; amaqembu e-polar aphakamisa kancane ukwehla kwe-dielectric / ukulahlekelwa; izinguquko ezingaphezulu ukusuka kokumhlophe kuye kokumpunga/okumnyama nokulahlekelwa isicwebezelisi.

Lesi sihloko sihlanganisa izinzuzo zohlelo lokusebenza lwendwangu ye-Teflon enezinga eliphezulu lokushisa ekomisweni kwe-electrode yebhethri ye-lithium. Isetshenziswa njengamabhande okuthutha noma amalayini kahhavini, ixazulula izinkinga ezintathu ezibalulekile: ukunamathela okunodaka, ukugqwala, nokuklwebheka kwe-electrode. Izindawo ezine ezizuzisayo: Ikhwalithi ye-Electrode kanye nesivuno - izakhiwo zokulwa nenduku zivimbela ukunamathela kwe-PVDF okuhlanganisa ukwenza kube lula ukuxebuka okuphelele; i-uniform conductivity thermal conductivity ku-100-140 ° C ivimbela ukuqhekeka / ukushisa; ubuso obushelelezi buqeda imihuzuko kanye nokuchithwa kwempushana; Ukuqina nokuqina kokusebenza - ukumelana kwamakhemikhali ngokumelene ne-NMP solvent kanye ne-electrolyte vapors ngaphandle kokuvuvukala / ukuguga; amandla aphezulu okudonsa kanye nokuzinza kwe-dimensional kusuka ku-fiberglass substrate ukuze kumiswe kahle; ukuhlanza okulula okunensalela encane uma kuqhathaniswa namabhande anezikhala zensimbi.

Lesi sihloko sihlanganisa i-delamination phenomenon yendwangu ye-Teflon ephezulu yokushisa. I-Delamination isho ukwehlukana nokuxebuka phakathi kwengubo ye-PTFE engaphezulu kanye nendwangu eyisisekelo ye-fiberglass yangaphakathi noma phakathi kwezingqimba eziningi zokuhlanganisa. Ukubonakaliswa okubonakalayo: amabhamuza/amabhamuza (amabhamuza aphakanyisiwe anomuzwa ongenalutho) njengezimpawu zokuqala; ukucwecwa kwe-interlayer nge-coating kususwa kalula kumashidi aveza i-fiberglass emhlophe; ukwenza mhlophe okwenziwe kwasendaweni okulandelwa ukucwayiza ngemva kokushisa/ukungqubuzana. Izimbangela eziyinhloko: Ukulimala kokucindezeleka okushisayo - ama-coefficients ahlukene okunweba okushisayo phakathi kwe-PTFE ne-fiberglass kudala ukucindezeleka kwangaphakathi, imijikelezo yokushisa / yokupholisa esheshayo ibangela ukuhlukana; Ukukhubazeka kwekhwalithi yokukhiqiza — ukwelashwa kwendawo ye-fiberglass enganele, ukungamiliswa kahle kwe-PTFE, ukucwiliswa okunganele okubangela ukuhlangana kobuso obubuthakathaka.

Lesi sihloko sihlola izinguquko zesakhiwo kwindwangu ye-PTFE ephezulu yokushisa ngesikhathi sokuguga. Izici ezine: PTFE enamathela microstructure — molecular chain scission and oxidation (carbonyl/carboxyl group ukwakheka), crystallinity izinguquko (ukuvuka ekuseni bese kuyawa), micro-crack kanye pinhole ukwakheka, surface powdering; I-fiber substrate yengilazi nesixhumi esibonakalayo — ukubola kosayizi/okuhlanganisayo okubangela ukulahleka kwesibopho, ukubola kobuso obuhlanganayo kanye ne-delamination (amabhamuza, izindawo ezimhlophe), ukuguguleka kwenethiwekhi ye-glass fibre kanye ne-embrittlement, imvula ye-alkali metal oxide ebangela ukugqwala kwengcindezi; Ukwakheka nokubukeka kwe-macroscopic — ukushintsha kombala (omhlophe→obeige→onsundu→omnyama), ukuwohloka kokuncipha nokugoqeka, ukuqina kwendawo kanye nokulahlekelwa isicwebezelisi, ukuba yimpuphu lapho uthintwa, ukulahlekelwa ngokuphelele ukuguquguquka. Ingqikithi yokuguga: inqubo eqhubekayo 'yokonakala kokumboza → ukwehluleka kokusebenzelana → ukuwohloka kwe-substrate.'

Lesi sihloko sichaza iphethini yoshintsho emandleni ahlangene we-PTFE ungqimba olunamathelayo lwetheyiphu yokushisa ephezulu ngemva kokuguga okuphezulu. Iphethini yezigaba ezintathu: Isiteji esikhuphukayo sokuphulukisa (ukuchayeka emazingeni okushisa aphezulu ku-200-260 ° C, amaqembu asalayo asebenzayo ayaqhubeka nokuphambana, ukuhlangana kuyanda kakhulu); Isiteji sokulingana esizinzile (izindlela zokuphambana maqondana nokuqedwa, ukubumbana kuhlala kuzinzile isikhathi eside); Ukuwohloka nokwehla kwesigaba (isikhathi esiningi/izinga lokushisa eleqile lidala ukuwohloka kweketango eliyinhloko, ukuhlangana kuyancipha, okunamathelayo kuyathamba futhi kuba nzima). Izimbangela eziyinhloko zokwehluleka ukuhlangana (ukudabuka kwangaphakathi okushiya insalela) kanye nokuminyanisa (ukugeleza okubandayo okuvela emaphethelweni ngenxa yokuncipha kwemodulus) kuyahlaziywa.

Lesi sihloko sichaza ngokusetshenziswa kwendwangu ye-Teflon enezinga eliphezulu lokushisa embonini yamandla elanga. Ukusetshenziswa okuyisisekelo ku-module lamination: indwangu ekhishwayo ebekwe ngenhla/ngezansi kwamamojula e-PV ivimbela i-EVA encibilikisiwe (140-150°C) ekubambeleleni kupuleti lokushisisa noma ipuleti lerabha, izinto zokuvikela nokuqinisekisa izindawo ezibushelelezi zamamojula; 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 emelene 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 ye-fiber (i-wax kapharafini, okuphuma kusitashi), okuqukethwe kwensalela yokulinganisa okudingekayo ngaphansi kuka-0.2%, okukhiqiza '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 sokwelapha.

Lesi sihloko sinikeza izindlela zokuthuthukisa ukumelana nokukhasa kanye nokuzinza kwesikhathi eside kwe-teflon high-hold-temperature tape. Amasu ahlanganisa: Ukuthuthukiswa kwe-topology yenethiwekhi ye-molecular — high MQ silicone resin/gum ratio (1.2:1–2:1) yakha izizinda eziqinile zesigaba esiqinile; ukufakwa kwamaqembu e-phenyl (20-30 mol%) kuvimbela ukunyakaza kweketango; I-crosslink isisindo se-molecular elawulwa ku-5,000-15,000 g / mol; I-Gradient modulus multilayer adhesive structure — primer-anchoring layer (1-3μm) ene-silane coupling agent, high-modulus cohesive layer (30-50μm) njengohlaka lwamathambo olumelana ne-shear, ungqimba olusebenzayo lwe-viscoelastic (3-8μm) lokumanzisa phezulu; Ama-Nanofillers - i-silica evuthayo (10-25 wt%) enokuguqulwa kwendawo idala ukuphambana komzimba okubuyiselekayo.

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 izinhlaka ze-PAI, i-PPS, i-PES noma i-PEEK ene-PTFE micropowder, esetshenziswa ngemva kokuhlanganisa ukwelashwa ukuze kwakheke ungqimba oluqinile loguquko; I-lamination yefilimu ye-adhesive encibilikayo eshisayo - 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, kudala ukuhleleka kwegradient kusuka ku-fiberglass kuya ku-PTFE emsulwa.