Anti-static PTFE npuag yog ua tiav los ntawm ob txoj hauv kev tseem ceeb: txheej doping (sib xyaw ua cov khoom siv xws li cov pa roj carbon dub rau hauv PTFE emulsion, tsim lub network percolation ntawm qhov tseem ceeb) thiab substrate weaving (embedding conductive fibers rau hauv fiberglass daim ntaub). Surface resistivity yog tswj ntawm 10⁵–10⁹ Ω. Lub hauv paus ntsiab lus: tsim ib txoj hauv kev uas tso cov nqi hluav taws xob zoo li qub tam sim, tiv thaiv kev puas tsuaj. Grounding yog qhov yuav tsum tau ua kom muaj txiaj ntsig zoo.

Thickeners nyob rau hauv PTFE emulsion pab plaub lub luag haujlwm tseem ceeb: tshem tawm stabilization (tiv thaiv kev teeb tsa ntawm cov khoom ntom ntom PTFE), shear-thinning tus cwj pwm (siab viscosity ntawm so, tsis tshua muaj kev ntxhov siab rau txheej yooj yim), kev nkag siab tob ( tswj cov khoom thauj khoom ntawm fiberglass npuag), thiab ua kom cov yeeb yaj kiab sib xyaw ua ke (previousness). Qhov tseem ceeb yuav tsum tau: thickeners yuav tsum decompose kiag li ntawm ~ 380 ° C sintering kub, tawm xoom tshauv residue los tswj txheej purity thiab hluav taws xob rwb thaiv tsev.

PTFE high-temperature npuag (PTFE-coated fiberglass) muaj cov tshuaj tiv thaiv tshwj xeeb, tiv taus cov kua qaub (xws li aqua regia), muaj zog alkalis (hauv chav sov), cov kuab tshuaj organic, thiab cov tshuaj oxidizing. Kev zam: molten alkali hlau thiab high-temperature halogen compounds tua PTFE. Txheej kev puas tsuaj nthuav tawm fiberglass rau hydrofluoric acid thiab kub concentrated alkalis. Qhov kub siab tshaj 260 ° C txo qhov tsis kam. Rau feem ntau cov tshuaj ib puag ncig, PTFE ntaub tseem ruaj khov thiab txhim khu kev qha.

Dav-temperature-range PTFE daim kab xev yuav tsum muaj silicone PSA uas tswj adhesion ntawm -70 ° C mus rau 260 ° C. Key design elements: primer-anchored transition layer (prevents delamination), sea-island microstructure (MQ resin islands + polysiloxane continuous phase), gradient crosslinking (high-density inner layer for creep resistance, low-density outer layer for low-temp tack), and heat-stabilized fillers (cerium oxide for oxidation resistance). Phenyl-modified siloxane ntu txo qis-kub crystallization, ua kom yooj yim hauv qab -100 ° C.

Aokai PTFE tau nthuav tawm nws cov khoom lag luam tag nrho ntawm APFE Shanghai 2026 (Lub Rooj Muag Khoom 6T602, Hall 6). Cov khoom tshwj xeeb muaj xws li fiberglass-reinforced PTFE tapes, ntshiab PTFE films, anti-static qib, thiab high-temperature conveyor siv - npog cov zaub mov, PV lamination, lithium roj teeb, electronics, thiab ntim. Lub exhibition pib mus txog rau lub rau hli ntuj 26. Tag nrho cov khoom txhawb kev cai specifications.

High-strength PTFE high-temperature npuag yog ib tug composite ntawm high-tenacity fiberglass thiab PTFE txheej. Cov ntawv thov tseem ceeb nthuav dav kev lag luam (khoom noj khoom haus, textile drying, PCB thauj), vuam tiv thaiv (tshav kub-sealer npog, spatter shields), demolding thiab kub xovxwm tsim (rubber molding, PV lamination), hluav taws xob rwb thaiv tsev (motor slot liners, cable wraps), architectural membranes (chaw ntau ntau lub ru tsev, 30+ corrosive lub neej), aerospace (pam cua sov), thiab kev siv tshwj xeeb (laser txiav, 3D luam ntawv).

Kev ziab yog ib kauj ruam tseem ceeb hauv PTFE high-temperature fabric production. Cov teeb meem tshwm sim muaj xws li: tawg (hnyav qhuav, tawv nqaij tawv), txheej tsiv teb tsaws (cov khoom txav mus rau saum npoo, tsis muaj zog sab hauv daim ntawv cog lus), pinholes / hlwv (cua hauv huab cua lossis chav dej), cov pob dawb thiab chalking (surfactant migration lossis tsis tiav fusion), yellowing / coking (overheating ntawm additives), delamination (shrinkage theem), ntau tshaj qhov kev nyuab siab. shrinkage), nto qhuav tab sis sab hauv ntub dej (skinning ntxiab ya raws), thiab tuab npoo (cov nyhuv kas fes). Cov kev daws teeb meem suav nrog kev tswj kom qhuav profiles, kom qhov cua zoo, thiab substrate pretreatment.

Qhov kawg ntawm lub ntsej muag qauv ntawm PTFE high-temperature daim kab xev ncaj qha cuam tshuam cov nplaum oozing thiab ntug lifting thaum lub sij hawm thov. Cov slitting tsis zoo (nplua nuj, lub kaum sab xis tsis zoo) tsim cov nplaum nplaum, thins lub ntug nplaum txheej, thiab nthuav tawm cov fiberglass burrs - ua rau oozing, tsis muaj zog, thiab nqa hauv qab cua sov lossis nro. Lub ntsej muag tsis sib xws (wavy, protruding) ua rau tsis sib xws ntawm kev faib tawm, tsav cov nplaum nplaum thaum khaws cia. Lub ntsej muag zoo tshaj plaws yog du, yaug, thiab tsis muaj kev puas tsuaj - ua raws li lub foob uas kaw cov nplaum thiab ua kom muaj kev sib txuas tag nrho.

PTFE emulsion impregnation ntawm fiberglass ntaub yuav tsum muaj ntau yam auxiliaries kom ua tiav cov txheej txheej, muaj zog adhesion, thiab qhov chaw tsis raug. Cov additives tseem ceeb muaj xws li: cov khoom ntub dej (txo qhov nro, txhim kho kev nkag mus), thickeners (tswj viscosity thiab txheej hnyav), pH regulators (stabilize emulsion ntawm pH 9-10), silane coupling agents (txhim adhesion rau iav), film-forming aids (PFA / FEP), kev ua haujlwm tsis zoo (PFA / FEP), kev ua haujlwm tsis zoo (tiv thaiv pinholes), thiab humectants (qhib kom qhuav). Kev xaiv nyob ntawm substrate thiab kev ua haujlwm yuav tsum tau ua.

Thaum lub sij hawm PTFE daim kab xev txheej, qhov hnyav volatilization tus nqi ntawm silicone siab-rhiab nplaum nplaum yog ib qho tseem ceeb ntawm cov txheej txheem parameter. Ceev dhau → deg skinning, tsis zoo leveling, pinholes (raug hnyav hnyav), thiab craters (condensation los yog contaminant-induced). qeeb dhau → sagging, tuab npoo, thiab dewetting ntawm qis-nto-zog PTFE. Qhov zoo tshaj plaws lub tswv yim: qeeb pib volatilization rau theem thiab npuas khiav, ces ceev kom qhuav rau shaping. Siv cov kuab tshuaj sib xyaw (toluene / xylene + ceev-drying) thiab gradient qhov cub kub (qis → nruab nrab → siab).