Theipi ea PTFE bakeng sa phala ea lik'hemik'hale / sejana se thibelang ho bola, ho se thupeng, le ts'ireletso e tiisang e hloka karoloana e ts'oanang, tsamaiso ea likhomaretsi le mecha ea litaba ea lik'hemik'hale. Silicone PSA e khothalletsoa 200-260 ° C ka li-acids / alkalis; acrylic PSA e hanela metsoako ea lintho tse hlapollang empa e fokotsa mocheso ho ≤150°C. Bakeng sa HF, ho belisa >80% alkali, kapa chlorine trifluoride, sebelisa lesela la PTFE-feela (ha ho sekhomaretsi sa organic). Bohlokoa: sekhomaretsi ke sehokelo se fokolang, eseng PTFE ka boeona.

Matla a ho ts'oara tepi ea PTFE a ntlafatsoa ka ho roala le ho ntlafatsa ts'ebetso ea ho phekola. Coating: primer layer (0.5-2μm silane primer thibela sekhomaretsi peeling), sekhomaretsi botenya 30-60μm (optimal bakeng sa ho tšoara matla), vacuum defoaming, le 5-10μm filtration. Ho folisa: ho futhumatsa ka mohato (80-100 ° C ho tlosoa ha solvent → 120-140 ° C shape → 150-220 ° C deep crosslinking), post-curing (40-60 ° C bakeng sa 24-48h ho phomola khatello ea kelello), le phetisetso e tlaase ho thibela khatello ea kelello ea ka hare ho substrate shrinkage. The primer ke ea bohlokoa bakeng sa matla a tlase a holim'a PTFE.

Theipi ea mocheso o phahameng oa PTFE e sebetsa e le thepa ea bohlokoa tlhahisong ea semiconductor, eseng ntho e ka sebelisoang ka kakaretso. Lisebelisoa tsa bohlokoa: ts'ireletso ea boemo ba li-wafer (masking ea plasma etching, ts'ireletso ea mokokotlo oa CMP, masking ea CVD / PVD), mekhoa ea ho paka (ho lokisa terata, maske a solder bakeng sa li-PCB), le tlhokomelo ea lisebelisoa (anti-static roller wrapping, ho tšoaea kamore e hloekileng). Litlhoko tse hloekileng ka ho fetisisa: li-halogens tse tlaase (li thibela ho bola ha li-bond), li-siloxane tse tlaase (<500 ppm, li thibela ho thehoa ha likaroloana tse sireletsang), li-ion tse tlaase tsa tšepe (<1 ppm ka 'ngoe), ISO Class 4 cleanroom slitting/packaging, 10⁶-10⁹ Ω TV surface resistivity.

Theipi ea boemo ba bongaka ea PTFE e nang le mocheso o phahameng o kopanya biocompatible PTFE substrate le sekhomaretsi sa silicone se phekotsoeng ka platinum. Lintlha tsa bohlokoa: ISO 10993 e lumellana (ha e na cytotoxicity, sensitization, kapa ho teneha), e mamella sterilization e pheta-phetoang (mouoane / EO / gamma), ho hanyetsa mocheso oa 260 ° C. Mehato ea bohlokoa ea ho itšireletsa: e se ke ea feta 260 ° C (mosi o chefo o ka holimo ho 300 ° C), mahlaseli a gamma a ka 'na a etsa hore a fokotsehe, a netefatse mekhoa ea ho thibela likokoana-hloko,' me a kope litokomane tsa ho lumellana ka botlalo (litlaleho tsa ISO 10993, MSDS, lintlha tsa botsofali). Eseng bakeng sa tšebeliso ea mali e tobileng kapa e kentsoeng ntle le haeba e netefalitsoe ka ho toba.

PTFE theipi reusability e itšetlehile ka lintlha tse 'nè: sebopeho sa sekhomaretsi (high crosslink density, low silicone migration, microphase structure for repositionable tack), substrate anchoring (surface activation + primer ho thibela phetisetso e feletseng ea sekhomaretsi), ho roala ka morao (ho lokolla lesela ho sireletsa sekhomaretsi nakong ea ho phutholoha), le ho tšoara ka nepo (sekhomaretsi se hloekileng, ho qoba sekhomaretsi se nepahetseng). Likhomaretsi tse fetotsoeng tse hlatsuoang ka metsi li ka hlaphoheloa> 90% tack kamora ho hloekisoa.

Fiberglass lesela thermal shrinkage ke sesosa se ka sehloohong sa PTFE tepi dimensional ho se tsitse. Ho PTFE sintering thempereichara (360-400 ° C), masala a loha khatello ea kelello e lokolloa. Haeba e sa thibeloe, lesela lea fokotseha; haeba e thibetsoe, khatello ea kelello e patehileng e koaletsoe, e bakang ho fokotseha ha morao nakong ea ho phekola ka sekhomaretsi (150-200 ° C) le ho futhumatsa ho qetela. Tharollo: sebelisa fiberglass e behiloeng pele ho mocheso e nang le <0.5% shrinkage ho 400 ° C, ho felisa khatello ea kelello e setseng pele u roala.

Theipi ea PTFE ea mocheso o pharaletseng e hloka silicone PSA e bolokang ho khomarela ho tloha -70°C ho ea ho 260°C. Lintlha tse ka sehloohong tsa moralo: primer-anchored transition layer (thibela delamination), sea-island microstructure (MQ resin Islands + polysiloxane continuous phase), gradient crosslinking (high-density inner layer for creep resistance, low-density out layer for low-temp tack), le heat-stabilized fillers (cerium resistance oxide). Phenyl-modified siloxane likarolo li hatella mocheso o tlase oa crystallization, o nolofalletsang ho fetoha ha maemo ka tlase ho -100 ° C.

Aokai PTFE e hlahisitse lethathamo la eona la lihlahisoa tse felletseng ho APFE Shanghai 2026 (Booth 6T602, Hall 6). Lihlahisoa tse hlahisoang li kenyelletsa litheipi tsa PTFE tse matlafalitsoeng ka fiberglass, lifilimi tse hloekileng tsa PTFE, limaraka tse khahlanong le maemo, le mabanta a tsamaisang mocheso o phahameng - a koahelang phepelo ea lijo, PV lamination, libeteri tsa lithium, lisebelisoa tsa elektroniki le liphutheloana. Pontšo e tsoela pele ka June 26. Lihlahisoa tsohle li tšehetsa litlhaloso tsa tloaelo.

Sebopeho sa sefahleho se sehiloeng sa tepi ea PTFE ea mocheso o phahameng se ama ka ho toba sekhomaretsi le ho phahamisa bohale nakong ea kopo. Ho petsoha ho fosahetseng (mahare a lerootho, angle e sa nepahalang) ho etsa likhoele tsa sekhomaretsi, ho tšesaane lera la sekhomaretsi, 'me ho pepese metsu ea khalase ea fiberglass - e lebisang ho putlama, ho fokola ho tlamahaneng le ho phahamisa mocheso kapa tsitsipano. Lifahleho tse sa tloaelehang tsa ho qetela (li-wavy, tse hlahelletseng) li baka khatello e sa lekaneng, ho khanna sekhomaretsi nakong ea polokelo. Sefahleho se setle sa ho qetela se boreleli, se phunya, 'me ha se na tšenyo - se sebetsa joalo ka tiiso e notlelang sekhomaretsi le ho tiisa hore ho tlamahane ka botlalo.

Nakong ea ho roala ha theipi ea PTFE, sekhahla sa ho qhibiliha ha mokelikeli oa silicone-sensitive sekhomaretsi ke mokhoa oa bohlokoa oa ts'ebetso. Ho potlaka haholo → ho phunya letlalo, ho se lekane hantle, masoba a lithapo (sehlaseli se qabeletsoeng), le li-craters (ho koaheloa kapa ho susumetsoa ke tšilafalo). E lieha haholo → ho sisinyeha, mathōko a teteaneng, le ho ntša metsi ho PTFE ea matla a tlaase. Leano le nepahetseng: butle-butle ho fetoha butle-butle bakeng sa ho lekanya le ho phonyoha ha bubble, ebe ho potlakisa ho omisa bakeng sa sebopeho. Sebelisa metsoako e tsoakiloeng (toluene/xylene + e omisang ka potlako) le mocheso oa onto ea gradient (tlase → mahareng→ holimo).