Saa asɛm yi ka sɛnea wɔde coating machine line ahoɔhare ne oven tenten hyia de hwɛ hu sɛ organosilicone adhesive du botae curing degree ma high-temperature PTFE tape. Core matching nnyinasosɛm: bere a wɔde tra hɔ nyinaa t_total = fononoo tenten a etu mpɔn L ÷ line ahoɔhare v ɛnsɛ sɛ ɛba fam sen bere a wɔhwehwɛ sɛ wɔde sa yare a ɛba fam koraa. Nya ayaresa su denam DSC anaa adhesive ayaresa sɔhwɛ ahorow a ɛde 'ɔhyew — ayaresa bere a ɛba fam' abusuabɔ si hɔ. Equivalent cumulative cure model: kyekyɛ fononoo mu yɛ no zones, bu ti=Li/v ne tcure(Ti), hwɛ hu sɛ ∑(ti/tcure(Ti)) ≥1. Nkontaabu nhyehyɛe: hyehyɛ ɔhyew mmeae a ne tenten yɛ Li ne ɔhyew Ti; set line speed v, bu zone biara tena bere ne ntoboa ratio; san yɛ bio kosi sɛ ne nyinaa bɛyɛ ≥1 (wɔkamfo kyerɛ ahobammɔ kwan 1.1-1.2).

Saa asɛm yi ka nkɛntɛnso a gamma-ray mframa nya wɔ PTFE nhyehyɛe ne ne su so ho asɛm. Nnuru nhyehyɛe mu nsakrae: gamma mframa bubu CC nkɔnsɔnkɔnsɔn atitiriw ne CF nkɔnsɔnkɔnsɔn a ɛwɔ nkyɛn (G-botae 3.0-3.5), na ɛma nkɔnsɔnkɔnsɔn no mu paapae kɛse na ɛma molecule mu duru so tew kɛse; wɔ oxygen mu no, free radicals yɛ peroxy radicals a ɛde acyl fluoride ne carboxylic acid awiei akuw (hydrolyzing to HF) ba. Condensed structure sesa: crystallinity kɔ soro mfiase no (dose a ɛba fam, nkɔnsɔnkɔnsɔn ntiantiaa san hyehyɛ) afei ɛkɔ fam (dose a ɛkorɔn, sintɔ ahorow sɛe ahwehwɛ); lamellar ahwehwɛ no mu paapae yɛ ahwehwɛ nketewa a ɛyera nhyehyɛe a ɛkɔ akyiri. Agyapadeɛ a ɛsɛe: elongation wɔ break so tew firi 0.1 kGy wɔ mframa mu, ɛhwere >90% wɔ ~1kGy — nneɛma no bɛyɛ den na ɛyɛ brittle; nea ɛyɛ hyew no so tew fi 327°C kodu nea ɛba fam sen 310°C; polar akuw ma dielectric constant/loss kɔ soro kakra; soro sesa fi fitaa kɔ grey/tuntum a gloss hwere.

Saa asɛm yi ka mfaso a ɛwɔ Teflon ntama a ɛyɛ hyew kɛse a wɔde di dwuma wɔ lithium battery electrode drying mu ho asɛm. Wɔde di dwuma sɛ conveyor belts anaa oven liners, na edi ɔhaw atitiriw abiɛsa ho dwuma: slurry adhesion, corrosion, ne electrode scratching. Mfaso anan mmeae: Electrode su ne aba — anti-stick su siw PVDF binder adhesion a ɛma ɛyɛ mmerɛw koraa peeling; ɔhyew a ɛyɛ pɛ wɔ 100-140°C siw mpaapaemu/ɔhyew ano; sɛ ɛyɛ torotoro a, eyi nsensanee ne powder a ɛhwie gu fi hɔ; Durability ne adwumayɛ mu pintinn — nnuru a ɛko tia NMP solvent ne electrolyte vapors a enni ahonhon / onyin; ahoɔden a ɛkorɔn a ɛtwetwe ne dimensional stability fi fiberglass substrate ma gyinabea pɛpɛɛpɛ; ɛnyɛ den sɛ wobɛhohoro ho a nkae kakraa bi na ɛwom sɛ wɔde toto dade a wɔde ahama abɔso ayɛ ho a.

Saa asɛm yi ka delamination phenomenon a ɛwɔ Teflon ntama a ɛyɛ hyew kɛse mu ho asɛm. Delamination kyerɛ mpaapaemu ne peeling ntam PTFE coating a ɛwɔ soro ne fiberglass base ntama a ɛwɔ mu anaasɛ coating layers pii ntam. Nneɛma a wɔda no adi wɔ aniwa so: akisikuru/abubuw (ahurututu a ɛkɔ soro a ɛte sɛ tokuru) sɛ sɛnkyerɛnne a edi kan; interlayer peeling a coating a ɛnyɛ den sɛ wobeyi afi nkratafa a ɛda fiberglass fitaa adi mu; localized whitening a ɛno akyi no flaking akyi ɔhyew/friction. Nea ɛde ba titiriw: Ɔhyew nhyɛso sɛe — ɔhyew ntrɛwmu nsusuwii ahorow a ɛsono wɔ PTFE ne fiberglass ntam no ma emu nhyɛso ba, ɔhyew/onwini kyinhyia ahorow a ɛkɔ ntɛmntɛm no ma ɛtwetwe; Production quality defects — fiberglass surface treatment a ɛnnɔɔso, PTFE impregnation a enye, sintering a ɛnnɔɔso a ɛde interfacial bonding a ɛyɛ mmerɛw ba.

Saa asɛm yi hwehwɛ nsakrae a ɛba PTFE ntama a ɛyɛ hyew kɛse mu wɔ nhyehyɛe mu bere a obi anyin no mu. Afã anan: PTFE coating microstructure — molecule nkɔnsɔnkɔnsɔn scission ne oxidation (carbonyl / carboxyl kuw formation), crystallinity nsakrae (mfitɛm sɔre afei ɔhwe ase), micro-mpaapaemu ne pinhole formation, soro powdering Glass fiber substrate ne interface — sizing/coupling agent decomposition a ɛde bonding a ɛyera ba, interfacial debonding ne delamination (blistering, mmeae fitaa), glass fiber network erosion ne embrittlement, alkali metal oxide osutɔ a ɛde stress corrosion ba Macroscopic nhyehyɛe ne ne hwɛbea — kɔla nsakrae (fitaa → beige → bruu → tuntum), shrinkage deformation ne curling, soro roughening ne gloss hwere, powdering bere a woka, koraa hwere flexibility. Essence of onyin: nkɔso a ɛkɔ so wɔ 'coating degradation → interface huammɔdi → substrate asɛe.'

Saa asɛm yi kyerɛkyerɛ nsakrae a ɛba wɔ ahoɔden a ɛka bom mu wɔ PTFE a ɛyɛ hyew kɛse teyp adhesive layer mu wɔ ɔhyew a ɛkɔ soro onyin akyi no mu. Nhwɛso a ɛwɔ afã abiɛsa: Post-curing rising stage (mfiase no ɔhyew a ɛkorɔn a wɔde da adi wɔ 200-260°C, residual reactive akuw kɔ so crosslinking, cohesion kɔ soro kɛse); Stable equilibrium stage (crosslinking bɛn wie, biakoyɛ kɔ so yɛ stable bere tenten); Degradation ne decline stage (bere/ɔhyew a ɛboro so ma main chain degradation, cohesion so tew, adhesive softens na ɛbɛyɛ tacky). Wɔyɛ ntini a ɛde cohesive huammɔdi (mfinimfini tetew gyaw nkae) ne squeeze-out (nwini a ɛsen fi anoano esiane modulus a ɛso atew nti) mu nhwehwɛmu.

Saa asɛm yi ka sɛnea wɔde Teflon ntama a ɛyɛ hyew kɛse di dwuma wɔ owia ahoɔden adwumayɛ mu no ho asɛm kɔ akyiri. Core application wɔ module lamination: release ntama a wɔde ato soro / ase PV modules siw molten EVA (140-150 ° C) kwan sɛ ɛbɛbata ɔhyew platen anaa rɔba mprɛte, bɔ nnwinnade ho ban na ɛhwɛ hu sɛ module no ani yɛ torotoro laminator conveyor belts a wɔde fa nneɛma/yi nneɛma fi mu a ɛyɛ adwuma ankasa; rɔba platen ntama a ɛbɔ ho ban a ɛtrɛw ɔsom nkwa nna mu. Cell stringer soldering: conveyor belts a ɛde nkwammoaa ne ribbon fa ɔhyew beae, a ɛnyɛ nea ɛbata soro a ɛko tia flux ne solder splashes; ɔhyew platform cushions ma soldering adwumayɛbea ahorow. Ɔhyew a ɛkorɔn a wɔde siw ano: wɔde kyekyere nneɛma a wɔde yɛ ɔhyew, thermocouples, nhama a ɛwɔ laminators ne fononoo a wɔde sa yare mu; nnwinnade a wɔde siw ɔhyew ano ntama ne kyɛm.

Saa asɛm yi ka anammɔn a wɔfa so di kan sa yare a ɛho hia ma fiberglass ntama ansa na wɔde PTFE emulsion ahyɛ mu no ho asɛm. Anamɔn 1: Ɔhyew ayaresa/dewaxing wɔ 300-450°C de yi paraffin wax ne ngo fi fiber ani koraa (paraffin wax, starch derivatives), nkae sizing dodow a ɛho hia sen 0.2%, ma 'ɔhyew-dewaxed ntama.' Anamɔn 2: Surface chemical treatment — application of silane coupling agents (KH-550, KH-560, A-174) de ayɛ nnuru a ɛka bom film wɔ nhama no ani, na ama molecule bridge a ɛda ahwehwɛ nhama a ɛnyɛ abɔde mu ne PTFE a ɛwɔ nkwa mu ntam; ntama a wɔadi kan ayɛ a wɔtɔn no betumi ahuru anammɔn yi nanso ɛsɛ sɛ wɔhwɛ sɛ ɛyɛ nokware. Anamɔn 3: Drying na preheating — drying wɔ 80-120°C nnɔnhwerew 1-2 na ama nsuo a ɛwɔ mu no so atew ase 0.1%, asiw bubble/void formation bere a curing.

Saa asɛm yi de akwan a wɔfa so ma creep resistance ne bere tenten a wɔde kura Teflon high-temperature tape a ɛkura mu no atu mpɔn. Akwan a wɔfa so yɛ adwuma no bi ne: Molecular network topology optimization — MQ silicone resin/gum ratio a ɛkorɔn (1.2:1–2:1) yɛ rigid hard-phase domains; phenyl akuw (20-30 mol%) a wɔde ka ho no siw nkɔnsɔnkɔnsɔn no kwan; crosslink molecule mu duru a wɔhwɛ so wɔ 5,000-15,000 g/mol; Gradient modulus multilayer adhesive nhyehyɛe — primer-anchoring layer (1-3μm) ne silane coupling agent, high-modulus cohesive layer (30-50μm) sɛ shear-resistant nnompe, viscoelastic dwumadi layer (3-8μm) ma soro nsu; Nanofillers — fumed silica (10-25 wt%) ne soro nsakrae ma reversible honam fam crosslinking.

Saa asɛm yi kyerɛkyerɛ sɛnea PTFE a wɔde kata so no kyekyere fiberglass ntama a ɛwɔ Teflon ntama a ɛyɛ hyew kɛse mu no mu. Nnuru a wɔde bom tẽẽ no ntumi nyɛ yiye esiane PTFE ahoɔden a ɛba fam koraa a ɛwɔ soro nti. Wɔnam: Mfiri a wɔde hyɛ mu (honam fam nkitahodi) — PTFE emulsion hyɛn nhama mu na ɛkyere nhama a wɔaboaboa ano bere a wɔayɛ no sintering akyi; Silane coupling agent pretreatment — yɛ molecule bridge ntam inorganic ahwehwɛ nhama ne organic primer; Chemical primer nsakrae layer — de PAI, PPS, PES anaa PEEK resins a PTFE micropowder di dwuma, a wɔde di dwuma wɔ coupling ayaresa akyi de ayɛ nsakrae layer a ɛyɛ den; Hot-melt adhesive film lamination — FEP anaa PFA sini (melting point 260-310°C) kyekyere PTFE sini a wɔadi kan ayɛ no wɔ ntama ho; Gradient nhyehyɛe via impregnation ne sintering kyinhyia ahorow pii — dilute kan twam ne binder / coupling agent penetrates deep mu fibers, akyi kronkron PTFE impregnations, abɔ compositional gradient fi fiberglass to pure PTFE.