Eli nqaku libandakanya indlela yokutshatisa isantya somatshini wokugquma kunye nobude be-oveni ukuze kuqinisekiswe ukuba i-organosilicone incamathele ifikelela kwiqondo lokunyanga ekujoliswe kuko kwiteyiphu ye-PTFE yobushushu obuphezulu. Umgaqo ongundoqo wokuthelekisa: ixesha lokuhlala lilonke t_total = ubude be-oveni obusebenzayo L ÷ isantya somgca v kufuneka singabi ngaphantsi kwexesha elifunekayo lokunyanga. Fumana iimpawu zonyango nge-DSC okanye iimvavanyo zokunyanga ezincamathelayo ezibonisa 'iqondo lobushushu - ixesha eliphantsi lokunyanga' ubudlelwane. Imodeli yonyango elinganayo eyongezelekayo: yahlula i-oveni ngokwemimandla, bala i-ti=Li/v kunye ne-tcure(Ti), qinisekisa ∑(ti/tcure(Ti)) ≥1. Iinkqubo zokubala: misela imimandla yobushushu enobude uLi kunye namaqondo obushushu Ti; seta isantya somgca v, ubale ixesha lokuhlala kwindawo nganye kunye nomlinganiselo wegalelo; phinda de kube iyonke ≥1 (umda wokhuseleko 1.1-1.2 ucetyiswa).

Eli nqaku libandakanya iziphumo zokukhanya kwe-gamma-ray kwisakhiwo se-PTFE kunye neempawu. Utshintsho lwesakhiwo sekhemikhali: imitha ye-gamma iqhawula amatyathanga aphambili eCC kunye namatyathanga asecaleni eCF (ixabiso le-G-3.0-3.5), ebangela i-scission yekhonkco elikhulu kunye nokwehla kobunzima bemolekyuli; kwioksijini, iiradicals zasimahla zenza i-peroxy radicals ezizisa i-acyl fluoride kunye namaqela okuphela kwe-carboxylic acid (i-hydrolyzing ukuya kwi-HF). Utshintsho lwesakhiwo esincitshisiweyo: i-crystallinity iphakama ekuqaleni (i-dose ephantsi, i-chain chain chain iphinda ilungelelanise) ize iwele (idosi ephezulu, iziphene ziphazamisa iikristale); Iqhekeza leekristale ze-lamellar zibe ziikristale ezincinci ezinocwangco olude olulahlekileyo. Ukuwohloka kwepropati: ubude ngexesha lekhefu buyehla ukusuka kwi-0.1 kGy emoyeni, ukulahlekelwa > 90% kwi ~ 1kGy — imathiriyeli iba lukhuni kwaye inkukuma; indawo yokunyibilika yehla ukusuka kwi-327°C ukuya ngaphantsi kwe-310°C; amaqela e-polar aphakamisa kancinane i-dielectric constant/ilahleko; utshintsho kumphezulu ukusuka kumhlophe ukuya kungwevu/mnyama kunye nokulahleka kweglosi.

Eli nqaku ligubungela izibonelelo zosetyenziso lwelaphu leTeflon lobushushu obuphezulu kwi-lithium ibhetri yomiswa kwe-electrode. Isetyenziswa njengamabhanti okuhambisa okanye ii-oven liners, ukusombulula iingxaki ezintathu ezingundoqo: ukuncamathela okuludaka, ukubola, kunye nokukrwela i-electrode. Iindawo ezine inzuzo: Umgangatho we-Electrode kunye nesivuno - iipropathi ezichasene ne-anti-stick zithintela ukunamathela kwe-PVDF ye-binder eyenza kube lula ukuxobula okupheleleyo; I-uniform conductivity thermal conductivity kwi-100-140 ° C ikhusela ukukrazula / ukutshisa; umphezulu ogudileyo ususa imikrwelo kunye nokuchithwa komgubo; Ukuqina kunye nokuzinza kokusebenza - ukuchasana kweekhemikhali ngokuchasene ne-solvent ye-NMP kunye nomphunga we-electrolyte ngaphandle kokuvuvukala / ukuguga; amandla aphezulu kunye nozinzo olusuka kwi-fiberglass substrate yokubeka indawo echanekileyo; ukucocwa lula kunye nentsalela encinci xa kuthelekiswa namabhanti entsimbi.

Eli nqaku libandakanya i-delamination phenomenon yelaphu leTeflon lobushushu obuphezulu. I-Delamination ibhekisa kukwahlulwa kunye nokuxobula phakathi komphezulu we-PTFE yokwaleka kunye nelaphu lesiseko se-fiberglass yangaphakathi okanye phakathi kweeleya zokugquma ezininzi. Ukubonakaliswa okubonakalayo: ukudumba/ukudumba (amaqamza aphakanyisiweyo anemvakalelo engenanto) njengeempawu zokuqala; i-interlayer peeling ene-coating isuswe ngokulula kumaphepha aveza i-fiberglass emhlophe; ukwenziwa mhlophe kwendawo okulandelwa kukugqabhuka emva kobushushu/ingxabano. Izizathu eziphambili: Umonakalo wokuxinzezeleka kwe-thermal - ukuhlukana kwee-coefficients zokwandiswa kwe-thermal phakathi kwe-PTFE kunye ne-fiberglass kudala uxinzelelo lwangaphakathi, ukufudumeza ngokukhawuleza / ukupholisa imijikelezo kubangela ukuchithwa; Iziphene zomgangatho wemveliso - unyango olungonelanga lomphezulu we-fiberglass, ukungamiliseli kwe-PTFE, ukungonelanga kwe-sintering kubangela ubuthathaka bokudibanisa ubuso.

Eli nqaku livavanya utshintsho lwesakhiwo kwi-PTFE yokushisa okuphezulu ngexesha lokuguga. Imiba emine: I-PTFE yokwambathisa i-microstructure - i-molecular chain scission kunye ne-oxidation (i-carbonyl / i-carboxyl group formation), utshintsho lwe-crystallinity (ukunyuka kwangoko emva kokuwa), i-micro-crack kunye ne-pinhole formation, i-surface powdering; I-Glass fiber substrate kunye ne-interface - ubungakanani / ukudityaniswa kwe-arhente ukubola kubangela ilahleko ye-bonding, i-interfacial debonding kunye ne-delamination (i-blistering, iindawo ezimhlophe), ukukhukuliseka kwe-glass fiber network kunye ne-embrittlement, i-alkali metal oxide precipitation ebangela ukubola koxinzelelo; Ubume beMacroscopic kunye nenkangeleko — ukutshintsha kombala (omhlophe → beige → mdaka → mnyama), ukushwabana kwenguqu kunye nokugoba, ukurhabaxa komphezulu kunye nokulahleka kweglosi, umgubo xa ubamba, ukuphulukana nokuguquguquka ngokupheleleyo. Undoqo wokwaluphala: inkqubo eqhubekayo 'yokuthotywa komgangatho → ukungaphumeleli kojongano → ukuthotywa kwesubstrate.'

Eli nqaku lichaza ipateni yotshintsho kumandla okubambisana kwe-PTFE yobushushu obuphezulu betape yokunamathela emva kokuguga okuphezulu. Ipatheni yezigaba ezintathu: I-post-curing rise up (i-high-temperature exposure ekuqaleni kwe-200-260 ° C, amaqela asebenzayo aseleyo aqhubeka e-crosslink, ukubambisana kwanda kakhulu); Inqanaba elizinzileyo lolungelelwaniso (iindlela zokuwela ukudibanisa ukugqitywa, ubumbano luhlala luzinzile ixesha elide); Ukuthotywa kunye nenqanaba lokuhla (ixesha eligqithisileyo / ubushushu bubangela ukuthotywa kwekhonkco eliphambili, ukuhambelana kuncipha, i-adhesive iyathamba kwaye ibe tacky). Iingcambu ezibangela ukusilela okubambeneyo (ukukrazuka kwangaphakathi kushiya intsalela) kunye nokucudisa ngaphandle (ukuhamba okubandayo okuvela emaphethelweni ngenxa yokuncipha kwemodyuli) ziyahlalutywa.

Eli nqaku lichaza usetyenziso lwelaphu leTeflon lobushushu obuphezulu kushishino lwamandla elanga. Ukusetyenziswa okungundoqo kwi-module lamination: ukukhutshwa kwelaphu elibekwe ngaphezulu / ngaphantsi kweemodyuli ze-PV zivimbela i-EVA etyhidiweyo (140-150 ° C) ekubambeleleni kwiplaten yokufudumeza okanye ipleyiti yerabha, izixhobo ezikhuselayo kunye nokuqinisekisa iindawo ezigudileyo zemodyuli; amabhanti okuhambisa i-laminator yokulayisha / ukukhulula ngokuzenzekelayo; ilaphu lerabha leplaten elikhuselayo landisa ubomi benkonzo. I-cell stringer soldering: iibhanti zokuthutha ezithwala iiseli kunye neribhoni ngokusebenzisa indawo yokufudumeza, kunye ne-non-stick surface ukumelana ne-flux kunye ne-solder splashes; iikhushini zeqonga lokufudumeza kwiindawo zokusebenza ze-soldering. Ukushisa okuphezulu kokushisa: ukugubungela iibhubhu zokufudumeza, i-thermocouples, iintambo kwii-laminators kunye nee-ovens zokunyanga; izixhobo zokugquma amalengalenga kunye namakhaka.

Eli nqaku libandakanya amanyathelo onyango afunekayo kwilaphu le-fiberglass phambi kokufakwa kwe-emulsion ye-PTFE. Inyathelo loku-1: Ubushushu bonyango/i-dewaxing nge-300-450°C ukususa ngokupheleleyo i-wax yeparafini kunye nee-oyile kumphezulu wefiber (iparafini wax, izinto eziphuma kwistatshi), umxholo oshiyekileyo ofunekayo ngaphantsi kwe-0.2%, ukuvelisa 'ilaphu elithotywe ubushushu.' Inyathelo lesi-2: Unyango lwemichiza engaphezulu - ukusetyenziswa kwe-silane KH050 A-174) ukwenza ifilimu yokudibanisa iikhemikhali kwifiber surface, eyenza ibhulorho yemolekyuli phakathi kweefiber zeglasi ze-inorganic kunye ne-PTFE ye-organic; Amalaphu akhoyo anyangwe ngaphambili angatsiba eli nyathelo kodwa kufuneka aqinisekiswe. Inyathelo lesi-3: Ukomisa kunye nokushisa kwangaphambili - ukomisa kwi-80-120 ° C kwiiyure ze-1-2 ukunciphisa ukufuma okungaphantsi kwe-0.1%, ukuthintela ukubunjwa kwe-bubble / void ngexesha lokunyanga.

Eli nqaku libonisa iindlela zokuphucula ukuxhathisa kwe-creep kunye nokuzinza kwexesha elide lokubamba iteyiphu ephezulu yobushushu beTeflon. Amaqhinga abandakanya: Ukulungiswa kwe-molecular network topology - i-high MQ silicone resin / gum ratio (1.2: 1-2: 1) ifom ye-hard-phase domains; ukufakwa kwamaqela e-phenyl (20-30 mol%) kuthintela ukuhamba kwekhonkco; ubunzima be-molecular crosslink elawulwa kwi-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) njenge-shear-resistant skeleton, i-viscoelastic functional layer (3-8μm) yokumanzisa umphezulu; I-Nanofillers - i-silica evuthayo (i-10-25 wt%) enokuguqulwa komphezulu yenza ukuwela ukuguqulwa komzimba.

Eli nqaku licacisa indlela i-PTFE yokwambathisa iibhondi kwilaphu le-fiberglass substrate kwilaphu leTeflon elinobushushu obuphezulu. Ukudityaniswa kweekhemikhali ngokuthe ngqo akunakwenzeka ngenxa ye-PTFE's ultra-low surface energy. Ukudibanisa kufezekiswa ngoku: Ukudibanisa kwe-Mechanical (ukubambisana ngokomzimba) - i-emulsion ye-PTFE ingena kwi-fiber gaps kwaye ibambe i-fiber bundles emva kokucoca; I-Silane coupling agent pretreatment - yenza ibhulorho yemolekyuli phakathi kweefiber zeglasi ezingaphiliyo kunye ne-organic primer; I-Chemical primer transition layer - usebenzisa i-PAI, i-PPS, i-PES okanye i-PEEK i-resin ene-PTFE micropowder, isetyenziswe emva kokudibanisa unyango ukuze yenze i-robust transition layer; Ifilimu ye-adhesive e-adhesive eshushu i-hot-melt i-lamination - iifilimu ze-FEP okanye ze-PFA (indawo yokunyibilika i-260-310 ° C) ibhondi yefilimu ye-PTFE eyenziwe ngaphambili kwilaphu; Ubume begradient ngokusebenzisa ukufakwa okuphindaphindiweyo kunye nemijikelo ye-sintering - dilute ipasi yokuqala kunye ne-binder / i-agent edibanisayo ingena nzulu kwiifibers, ilandelwa yi-PTFE impregnations ecocekileyo, ukudala i-gradient yokwakheka ukusuka kwi-fiberglass ukuya kwi-PTFE ecocekileyo.