Nyati sia dzro ŋusẽkpɔɖeamedzi siwo web tension dziɖuɖu kpɔna le Teflon ƒe dzoxɔxɔ gã tape coating wɔna ɖe PTFE substrate flatness kple adhesive coating uniformity dzi. Dɔwɔwɔ ɖe substrate ƒe gbadzaƒe dzi: tete si wu elastic limit hea plastic ƒe keke kple kɔ si womate ŋu atrɔ o vɛ (longitudinal elongation, transverse narrowing), si wɔa slackness, wrinkles kple wavy patterns; PTFE creep le tension si nɔa anyi ɖaa te va zua 'frozen' le fafa megbe, si wɔnɛ be anyigba ƒe masɔmasɔ; uneven transverse tension tso roller parallelism manyomanyo gbɔ naa nugbɔ siwo le ƒoƒom, titina ʋuʋudedi, kple dzesi siwo me mekɔ tututu o ɣeaɖewoɣi.

Nyati sia dzro PTFE avɔ si me dzoxɔxɔ le ŋutɔ ƒe xɔtuɖoɖo me le tsitsi me. Akpa ene: PTFE nutsyɔnu microstructure — molecule kɔsɔkɔsɔ scission kple oxidation (carbonyl / carboxyl ƒuƒoƒo wɔwɔ), crystallinity tɔtrɔ (kaba dziyi emegbe mumu), micro-crack kple pinhole wɔwɔ, anyigba dzi powdering; Glass fiber substrate kple interface — sizing/coupling agent decomposition si hea kadodo ƒe bu, interfacial debonding kple delamination (blistering, teƒe ɣiwo), glass fiber network ƒe ʋuʋu kple embrittlement, alkali metal oxide ƒe tsidzadza si hea nuteɖeamedzi ƒe xɔxlɔ̃ vɛ; Macroscopic wɔwɔme kple dzedzeme — amadede ƒe tɔtrɔ (yevu→beige→brown→yibɔ), shrinkage deformation kple curling, anyigba ƒe roughening kple gloss bu, powdering ne woka asi eŋu, keŋkeŋ bu le asitɔtrɔ le nɔnɔmewo ŋu. Tsitsi ƒe vevienyenye: 'nutsyɔtsyɔ ƒe gbegblẽ → ƒomedodo ƒe kpododonu → substrate ƒe gbegblẽ.' ƒe ɖoɖo si yia edzi.

Nyati sia ƒo nu tso alesi woakpɔ PTFE avɔ si ƒe dzoxɔxɔ lolo ƒe sintering ɣeyiɣi dzi. Core dziɖuɖu mɔnu: fli ƒe duƒuƒu ƒe asitɔtrɔ. Sintering ɣeyiɣi = dzoxɔxɔ nyui ƒe akpa ƒe didime ÷ avɔ ƒe mɔzɔzɔ ƒe duƒuƒu. Sintering threshold nyuitɔ nye 350°C (le dzoxɔxɔ sia dzi la, wobua sintering ɣeyiɣi). Dzoxɔxɔ ƒe mama le nuto vovovowo me: dzoxɔxɔ do ŋgɔ (100-250°C), dzoxɔxɔ (360-395°C), dzoxɔxɔ gã ɖoɖo (380-390°C), fafa (si le 300°C te). Ɣeyiɣi siwo woatsɔ akpɔe le 380-390°C: eƒe kpekpeme le bɔbɔe (0.08-0.13mm) sɛkɛnd 30-60; dzidzenu (0.18-0.25mm) miniti 1.5-3; kpekpe (≥0.35mm) miniti 3-5. De dzesii kple asitɔtrɔ: under-sintering (ŋusẽ si le sue, powder shedding, micro-cracks) → ɖe duƒuƒu dzi kpɔtɔ be nàdidi ɣeyiɣi ɖe edzi; over-sintering (yellowing, brittleness, white fumes) → dzi duƒuƒu ɖe edzi be wòana nɔƒea nanɔ kpuie. Dzoxɔxɔ-ɣeyiɣi ƒe sɔsɔ ɖe mɔ na dzoxɔxɔ si nu sẽ ƒe dzoxɔxɔ kabakaba (395-405°C, sɛkɛnd) alo dzoxɔxɔ si bɔbɔ ƒe dzoxɔxɔ blewu (360-375°C, miniti 5-8).

Nyati sia ƒo nu tso alesi PTFE ƒe dzoxɔxɔ gã ƒe tape adhesive layer ƒe cohesive ŋusẽ trɔna le dzoxɔxɔ gã ƒe tsitsi megbe ŋu. Afɔɖeɖe etɔ̃ ƒe ɖoɖo: Le dɔyɔyɔ megbe ƒe dziyiyi ƒe afɔɖeɖe (dzoxɔxɔ gã ƒe dodo kaba le 200-260°C, ƒuƒoƒo siwo susɔ siwo wɔa nu la yia edzi nɔa crosslinking, ɖekawɔwɔ dzina ɖe edzi ŋutɔ); Stable equilibrium stage (crosslinking gogo nuwuwu, ɖekawɔwɔ gakpɔtɔ li ke le ɣeyiɣi didi aɖe me); Gbegblẽ kple ɖiɖi ƒe afɔɖeɖe (ɣeyiɣi/dzoxɔxɔ si gbɔ eme hea kɔsɔkɔsɔ veviwo ƒe gbegblẽ vɛ, ɖekawɔwɔ dzi ɖena kpɔtɔna, adhesive fa eye wòzua tacky). Wodzroa nusiwo gbɔ cohesive ƒe kpododonu (ememe vuvu gblẽa nusiwo susɔ) kple squeeze-out (fafɛ si sina tso goawo me le modulus si dzi ɖe kpɔtɔ ta) me.

Nyati sia gblɔ alesi wozãa Teflon avɔ si me dzoxɔxɔ le ŋutɔ le ɣe ƒe ŋusẽdɔwɔƒewo tsitotsito. Core dɔwɔwɔ le module lamination: asiɖeɖe le avɔ si woda ɖe dzi / te PV modules xea mɔ na molten EVA (140-150 ° C) be wòagalé ɖe dzoxɔxɔ platen alo rababa plate, takpɔkpɔ dɔwɔnuwo kple egbɔkpɔkpɔ be module ƒe anyigbawo le gbadzaa; laminator conveyor belts na agbatsɔtsɔ/agbaɖeɖe le wo ɖokui si; rababa platen ametakpɔnu avɔ didi subɔsubɔ agbenɔƒe. Cell stringer soldering: conveyor belts tsɔa lãmenugbagbeviwo kple ribbon to dzoxɔxɔnaƒe, kple non-stick anyigba si tsi tre ɖe flux kple solder splashes; dzoxɔxɔ ƒe nuƒolanɔƒe ƒe akɔtaɖonuwo na soldering dɔwɔƒewo. Dzoxɔxɔ si nu sẽ ƒe dzoxɔxɔ: woxatsa na dzoxɔxɔnamɔ̃wo, dzoxɔxɔdzidzenuwo, ka siwo le laminators kple dzodoƒe siwo wotsɔ daa dɔe; dɔwɔnuwo dzoxɔxɔnutsitike xɔmetsovɔwo kple akpoxɔnuwo.

Nyati sia ƒo nu tso afɔɖeɖe siwo hiã na fiberglass avɔ do ŋgɔ na atikewɔwɔ hafi woatsɔ PTFE emulsion de tsii ŋu. Afɔɖeɖe 1: Dzoxɔxɔ ƒe dɔwɔwɔ/dewaxing le 300-450°C be woaɖe paraffin wax kple amiwo ɖa keŋkeŋ tso fiber ƒe anyigba dzi (paraffin wax, starch derivatives), susɔe si ƒe lolome hiã be wòanɔ anyi wu 0.2%, si awɔ 'heat-dewaxed fabric.' Afɔɖeɖe 2: Anyigbadzi atikewo zazã — silane coupling agents zazã (KH-550, KH-560, A-174) be woawɔ atikewo ƒe kadodo film ɖe ka ƒe anyime, si ana molecule ƒe tɔdzisasrã nate ŋu anɔ glass ka siwo me agbe mele o kple PTFE siwo me agbe mele o dome; avɔ siwo ŋu wowɔ atike ɖo do ŋgɔ siwo wodzrana le asi me ate ŋu adzo le afɔɖeɖe sia dzi gake ele be woaɖo kpe edzi. Afɔɖeɖe 3: Kuku kple dzoxɔxɔ do ŋgɔ — ƒuƒu le 80-120°C hena gaƒoƒo 1-2 be tsi ƒe agbɔsɔsɔ dzi naɖe akpɔtɔ wòade 0.1%, si axe mɔ na bubble/void ƒe wɔwɔ le dɔyɔɣi.

Nyati sia tsɔ mɔnu siwo dzi woato ana Teflon ƒe dzoxɔxɔ gã ƒe kasɛt si léa nu geɖe la ƒe tsitretsitsi ɖe ʋuʋudedi ŋu kple eƒe léle ɖe te ɣeyiɣi didi nanyo ɖe edzi la fia. Mɔnuwo dometɔ aɖewoe nye: Molekyul network topology optimization — MQ silicone resin/gum ƒe xexlẽme si kɔkɔ (1.2:1–2:1) wɔa rigid hard-phase domains; phenyl ƒuƒoƒo (20-30 mol%) ƒe dede eme xea mɔ na kɔsɔkɔsɔ ƒe ʋuʋu; crosslink molecule ƒe kpekpeme si dzi wokpɔna le 5,000-15,000 g/mol; Gradient modulus multilayer adhesive structure — primer-anchoring layer (1-3μm) kple silane coupling agent, high-modulus cohesive layer (30-50μm) abe ƒunukpeƒe si te ŋu nɔa te ɖe lãɖeɖe nu, viscoelastic dɔwɔwɔ ƒuƒoƒo (3-8μm) na tsidzadza le anyigba dzi; Nanofillers — fumed silica (10-25 wt%) kple anyigba ƒe tɔtrɔ wɔa ŋutilã me crosslinking si woate ŋu atrɔ.

Nyati sia dzro tɔtrɔ siwo vaa avɔ si wotsɔ PTFE wɔe ƒe wɔwɔme me le nuto siwo me atikewo gblẽna le me. PTFE ƒe nutsyɔnu li ke ŋutɔ le nyadzɔdzɔgblɔmɔ̃ akpa gãtɔ me (siwo dometɔ aɖewoe nye aqua regia, acid siwo me wode nu me, organic solvents) — molecule kɔsɔkɔsɔwo metrɔna kloe o. Nusiwo to vovo: alkali ga siwo wofa la ɖea fluorine si hea carbonization vɛ (blɔ/yibɔ, brittle); fluorinating-nu sesẽwo (F2, ClF3) gbãa carbon-carbon ƒe megbeƒu; Freon-ƒomevi ƒe atike aɖewo nana wòvuvuna; oxidizing acid siwo me dzoxɔxɔ le siwo me woƒo ƒu ɖo la tsɔa polar ƒuƒoƒowo vaa anyigba dzi vivivi.

Nyati sia gblɔ alesi wozãa avɔ si wotsɔ PTFE wɔe le elektrɔnikmɔ̃wo kple elektrikdɔwɔƒewo tsitotsito. Nu vevi ade: Dzoxɔxɔ gã ƒe xɔxlɔ̃ kple ametakpɔkpɔ — mɔ̃ dome-trɔ / slot / phase xɔxlɔ̃, transformer layer xɔxlɔ̃, coil babla, elektrik dzoxɔxɔ dɔwɔnuwo ɖe vovo; Akɔbli-clad laminate kple PCB wɔwɔ — ɖe asi le avɔ ŋu le PCB lamination, prepreg kple CCL dzadzɛ tsɔtsɔ yi teƒe bubuwo; Elektrɔnik soldering — solder masking na ƒutsotsoe / reflow soldering (sika asibidɛ takpɔkpɔ), reflow oven conveyor belts, soldering dɔwɔƒe mats, ya dzodzoe tu ametakpɔnu nutsyɔnu; Ka kple kaƒomɔ̃ — dzoxɔxɔ gã ka babla tape, dzoxɔxɔ abɔta kple dzo nutsyɔnu, dzoxɔxɔ-shrink tubing kekeɖenudɔwɔwɔ dɔwɔwɔ conveyor belts; Anti-static kple cleanroom — cleanroom conveyor belts kple dɔwɔƒe mats, semiconductor kple photovoltaic dzoxɔxɔ gã tsɔtsɔ yi teƒe bubuwo.

Nyati sia tsɔ numekukumɔnu siwo wozãna tsɔ daa avɔ si wotsɔ PTFE blae ƒe nɔnɔme siwo tsi tre ɖe ami ƒe ɖiƒoƒo kple ke ŋui la fia. Mɔnuwo dometɔ aɖewoe nye: Dzogoe si doa ka kple anyigba ƒe ŋusẽ dodokpɔ — tsi ƒe kadodo ƒe dzogoe zi geɖe >110°, dzogoe si le ʋuʋum越小越好, anyigba ƒe ŋusẽ nyuitɔ 18-20 mN/m; Mɔ̃ɖaŋununya dodokpɔ — 180° lãɖeɖe ŋusẽ kple dzidzenu tape, nyuitɔ kekeake <0.1 N / 25 mm; Simulated ami ƒe tsitretsitsi dodokpɔwo — ami ƒe ɖiƒoƒo sliding/residue mɔnu, agbɔsɔsɔme tutu dzadzɛnyenye nyuie to amadede vovototo ΔE dzidzedze zazã (sue wu ΔE = nyuie wu kɔklɔ), kple kabakaba ami dzesi dodokpɔ (ink shrinkage fia be nyui anti-fouling); Anti-ke dodokpɔ — ke ƒe anyidzedze mɔnu kple nɔnɔmetata me dzodzro, ya ƒe sisi ke ɖeɖe ɖa dzidzedze suetɔ kekeake blow-off sesẽme, kple electrostatic adsorption dodokpɔ to anyigba dzi tsitretsitsi; Durability evaluation — gbugbɔ do dodokpɔawo katã le tsitsi le dzoxɔxɔ gã (260°C/300°C) alo Taber abrasion megbe be nàkpɔ egbɔ be dɔwɔwɔ li ke ɣeyiɣi didi.