2026-07-16 na ɔkyerɛwee
Saa asɛm yi hwehwɛ nkɛntɛnso a wɛb tension control nya wɔ Teflon high-temperature tape coating bere mu wɔ PTFE substrate flatness ne adhesive coating uniformity so. Nkɛntɛnso a ɛwɔ substrate flatness so: nhyɛso a ɛboro elastic anohyeto no ma plastic trɛw ne kɔn a wontumi nsakra (longitudinal elongation, transverse narrowing), a ɛyɛ slackness, wrinkles ne wavy patterns; PTFE creep wɔ nhyɛso a ɛkɔ so daa ase no bɛyɛ 'frozen' bere a ayɛ nwini akyi, na ɛde ɔfasu no nyɛ pɛ; transverse tension a ɛnteɛ a efi roller parallelism a enye mu no ma anoano a ɛyɛ kurukuruwa, mfinimfini akisikuru, ne agyiraehyɛde ahorow a ɛyɛ den a ɛyɛ den bere ne bere mu.
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2026-07-15 na ɛwɔ hɔ
Saa asɛm yi hwehwɛ nsakrae a ɛba PTFE ntama a ɛyɛ hyew kɛse mu wɔ nhyehyɛe mu bere a onyin mu. Afã anan: PTFE coating microstructure — molecule nkɔnsɔnkɔnsɔn scission ne oxidation (carbonyl / carboxyl kuw a wɔhyehyɛ), crystallinity nsakrae (ntɛmntɛm 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 kwan a wɔfa so yɛ 'coating degradation → interface huammɔdi → substrate asɛe.'
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2026-07-15 na ɛwɔ hɔ
Saa asɛm yi ka sɛnea wɔhwɛ sintering bere a PTFE ntama a ɛyɛ hyew kɛse so. Core control kwan: line ahoɔhare nsakrae. Sintering bere = ɔhyew ɔfã tenten a etu mpɔn ÷ ntama akwantu ahoɔhare. Sintering threshold a etu mpɔn yɛ 350°C (a ɛboro saa ɔhyew yi bu akontaa sɛ sintering bere). Ɔhyew a wɔkyekyɛ wɔ mmeae pii: ɔhyew a edi kan (100-250°C), sintering (360-395°C), ɔhyew a ɛkorɔn a wɔde si hɔ (380-390°C), onwini (a ɛba fam 300°C). Mmere a wɔde gyina hɔ ma wɔ 380-390°C: emu yɛ hare (0.08-0.13mm) sikani 30-60; gyinapɛn (0.18-0.25mm) simma 1.5-3; emu yɛ duru (≥0.35mm) simma 3-5. Nkyerɛkyerɛmu ne nsakrae: under-sintering (ahoɔden a ɛba fam, powder shedding, micro-cracks) → tew ahoɔhare so ma ɛtrɛw bere mu; over-sintering (yellowing, brittleness, white fumes) → ma ahoɔhare kɔ soro na ama baabi a wɔtra no ayɛ tiaa. Ɔhyew-bere a ɛyɛ pɛ ma kwan ma wɔde ɔhyew a ɛkɔ soro ntɛmntɛm sintering (395-405°C, sikani) anaasɛ low-temp slow sintering (360-375°C, simma 5-8).
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2026-07-15 na ɛwɔ hɔ
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.
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2026-07-14 na ɛwɔ hɔ
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) 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 hyɛ/yi nneɛma fi mu; 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.
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2026-07-14 na ɛwɔ hɔ
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 sini wɔ nhama 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.
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2026-07-14 na ɛwɔ hɔ
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 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.
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2026-07-13 na ɛwɔ hɔ
Saa asɛm yi hwehwɛ nsakrae a ɛba fiberglass ntama a wɔde PTFE akata so no nhyehyɛe mu wɔ mmeae a nnuru asɛe no mu. PTFE a wɔde kata so no yɛ nea ɛyɛ den yiye wɔ nsɛm ho amanneɛbɔ dodow no ara mu (a aqua regia, acid a wɔahyɛ no den, organic solvents ka ho) — ɛkame ayɛ sɛ molecule nkɔnsɔnkɔnsɔn da so ara nsakra. Nea ɛka ho: alkali dade a wɔabɔ no yi fluorine ma ɛde carbonization ba (brown/tuntum, brittle); nneɛma a ano yɛ den a ɛma fluorin (F2, ClF3) bubu carbon-carbon akyi dompe; nnuru bi a ɛte sɛ Freon ma obi hohoro; oxidizing acid a ɛyɛ hyew a ɛyɛ hyew de nkakrankakra de polar akuw ba asase ani.
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2026-07-13 na ɛwɔ hɔ
Saa asɛm yi ka sɛnea wɔde fiberglass ntama a wɔde PTFE akata so di dwuma wɔ ɛlɛtrɔnik ne anyinam ahoɔden adwumayɛ mu no ho asɛm kɔ akyiri. Mmeae atitiriw asia: Ɔhyew a ɛkorɔn a wɔde siw ano ne ahobammɔ — motor inter-turn/slot/phase insulation, transformer layer insulation, coil wrapping, anyinam ahoɔden mfiri a wɔde yɛ ɔhyew a wɔayi afi afoforo ho; Kɔbere-akata laminate ne PCB adwumayɛ — gyae ntama wɔ PCB lamination, prepreg ne CCL ahotew conveying; Electronic soldering — solder masking ma asorɔkye / reflow soldering (sika kɔkɔɔ nsateaa ahobammɔ), reflow fononoo conveyor belts, soldering adwumayɛbea mats, mframa a ɛyɛ hyew tuo ahobammɔ nkataso; Cable ne wiring harness — ɔhyew a ɛkorɔn cable wrapping tape, ɔhyew nsateaa ne ogya a ɛmma ogya nkataso, ɔhyew-shrink tubing ntrɛwmu processing conveyor belts; Anti-static ne cleanroom — cleanroom conveyor belts ne adwumayɛbea mats, semiconductor ne photovoltaic ɔhyew a ɛkorɔn a wɔde fa nneɛma.
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2026-07-13 na ɛwɔ hɔ
Saa asɛm yi de akwan a wɔfa so hwehwɛ nneɛma a ɛko tia sɛ ɛbɛbata na ɛnyɛ den sɛ ɛbɛhohoro fiberglass ntama a wɔde PTFE akata so no ho atia ngo nkekae ne mfutuma ma. Akwan no bi ne: Contact angle ne surface energy testing — nsuo contact angle taa yɛ >110°, rolling angle越小越好, soro ahoɔden a ɛyɛ papa sɛ 18-20 mN/m; Mfiri a wɔde yɛ peel sɔhwɛ — 180° peel tumi a ɛwɔ standard tape, a eye sen biara <0.1 N/25 mm; Simulated oil resistance tests — oil stain sliding/residue kwan, quantitative wipe cleaning efficiency a wɔde kɔla nsonsonoe ΔE susuw di dwuma (ΔE ketewa = ahotew a eye), ne ntɛm oily marker sɔhwɛ (ink shrinkage kyerɛ sɛ anti-fouling pa) Anti-mfutuma sɔhwɛ — mfutuma settling kwan a mfonini nhwehwɛmu, mframa a ɛsen mfutuma yiyi susuw minimum blow-off ahoɔhare, ne electrostatic adsorption nhwehwɛmu denam soro resistivity; Durability evaluation — san yɛ sɔhwɛ nyinaa wɔ ɔhyew a ɛkorɔn onyin (260°C/300°C) anaa Taber abrasion akyi na ama woahwɛ ahu sɛ bere tenten adwumayɛ gyina.
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