Ɔkwan bɛn so na wɔde PTFE a wɔde kata so no bata fiberglass ntama a ɛwɔ Teflon ntama a ɛyɛ hyew kɛse mu no ho?

Ɔkwan Bɛn so na PTFECoatingonTeflonNtama a Ɛwɔ Ɔhyew Kɛse no BataFiberglassNtama Ho?

PTFE(polytetrafluoroethylene)wɔ ahoɔden a ɛba fam koraa wɔ asase ani a ɛnyɛ nea wonim no yiye sɛ ɛyɛ ade a ɛnyɛ nea ɛba fam.Enti, entumi mfa nnuru nkyekyere tẽẽ wɔ fiberglass ntama te sɛ nneɛma a wɔde kata so othmanufacturer–JiangsuAokaiNewMaterialTechnologyCo.,Ltd.,bonding a ɛda abien no ntam no yɛ nea wɔtaa nya denam nipadua mu anchoring ne mfiri a wɔde hyɛ mu, a wɔde nnuru a wɔde sa yare a wɔde sa rhot-meltadhesioncompositeffects ka ho.

Akwan pɔtee a wɔfa so boma Teflon ntama a ɛyɛ hyew kɛse no titiriw ne nea edidi so yi:

1.MechanicalInterlocking (Nneɛma mu Nkitahodi) . Eyi ne ɔkwan titiriw a wɔfa so yɛ.Fiberglassfabricit ankasa yɛ poroustextile.SɛPTFEemulsion anaa dispersionisi pregnateorcoated on the fiberglassfabric, thePTFEhyɛn kɔ ntam ne nhyiambea ahorow a ɛwɔ fibers no ntam.Bere a ɛyow na ɛyɛ hyew a ɛkɔ soro akyi intering(bɛyɛ 360–400°C),PTFEparticlesmeltintoacontinuous film, firmly gripping the fiberbundles likecountless'anchorhooks.'Nanso, ɔkwan a wɔfa so de wɔn ho to saa kwan yi so nkutoo da so ara ma wonya bonding ahoɔden a anohyeto wom, na mpɛn pii no ɛhwehwɛ sɛ wɔyɛ nneɛma foforo.

2.SilaneCouplingAgentPretreatment (Nnuru a wɔde yɛBridging) .

Ɛkame ayɛ sɛ eyi ne ɔkwan titiriw a wɔfa so yɛ nneɛma a ɛyɛ papa a ɛkorɔnPTFEfiberglassfabrics.Wɔadi kan de silanecouplingagent(te sɛsaminosilane,epoxysilane, ne nea ɛkeka ho) sa fiberglass ntama no ani:

Thesilane(siloxygroup) no awiei biako, wɔ hydrolysis akyi no, ebetumi de nnuru abɔ hydroxylgroups(-OH) a ɛwɔ glass fibers no ani;

Ɔkwan foforo so no, a ɛwɔ akuw a ɛyɛ adwuma a nkwa wom no betumi atwa nkitahodi anaasɛ ɛne ade a wɔde nkata so no abɔ denneennen wɔ fluorine a wɔde ahyɛ mu no mu bere a wɔde nyinsɛn anaasɛ wɔde kata so akyiri yi.Eyi yɛ 'molecularbridge' wɔ ɔkra ne abɔde a nkwa wom ntam nkitahodi ahorow ntam wɔ ɔkwan a etu mpɔn so.

3.NnuruyɛPrimerNsakraeLayer

DirectlycoatingPTFEba wɔ adhesion pa bere a wɔde ahyɛ mu akyi no, wɔtaa de primeri a wɔde ahyɛ mu ma di kan gu fiberglassfabric no so.Mpɛn pii no, saa primer layer yi kura:

Nsuo a ɛkata so: Te sɛpolyamide-imide(PAI),polyphenylenesulfide(PPS),polyethersulfone(PES),anaasɛ polyetheretherketone(PEEK),a ɛwɔ nsuo pa na ɛbata ahwehwɛ nhama ho denneennen, na ɛtumi gyina asen mu hyeɛ a ɛdi akyire no ano PTFE wɔ ɔkwan a ɛda ntam.

PTFEmicropowder: Sɛnea ɛbɛyɛ a wobɛhwɛ sɛ PTFE a edi kan ne nea etwa to no betumi ayɛ biako.

Saa primerlayer yi nya nnuru bonding ne honam fam nkitahodi ne coupling-agent-treatedfiberglassfabric, na ɛyɛ nsakrae layer kɛse.Afei PTFEtoplayer no de PTFEcomponent no bom wɔ primer bere a intering, na ɛnam so nya ahoɔden a ɛkorɔn a ɛbata ho wɔ ɔkwan a ɛnteɛ so.

4.Hot-MeltAdhesiveFilmLamination (Ɔkwan a wɔfa so yɛ ade) Saa kwan yi, aJiangsuAokaiNewMaterialTechnologyCo.,Ltd., de di dwuma, de di dwuma de bondpre-formed,thickPTFEfilm a ɛyɛ fiberglassfabric.Efisɛ PTFEhasanextremelyhighmeltviscosity(bɛyɛ ately10⊃1;0–10⊃1;⊃2;Pa·s),ɛsen ason bere a wɔayɛ no hyew wɔ ne nsuo a ɛyɛ hyew no so, enti ɛnyɛ nea ɛbɛyɛ yiye. FEP(fluorine a wɔde ethylenepropylene) anaaPFA (perfluoroalkoxy) sini ahorow ,a ɛwɔ nsunsuansoɔ a ɛba fam senePTFE(bɛyɛ 260–310°C).Wɔ nsuo a ɛyɛ nwene akyi no, wɔtumi de fiberglassfabrican no nsuo na wɔde trɛw/nwene wɔ PTFEfil no mu msurface.Wɔ adeyɛ no mu no, wɔde FEP/PFAfilm no si PTFEfil ne fiberglassfabric ntam, ayɛ no hyew na wɔamia, na wɔayɛ no nwini akyi, a wɔasɛe no denneennen.

5.GradientStructureviaMultipleImpregnationneSinteringKyinhyia

Wɔnam ɔkwan a wɔfa so de nsu gu mu pii so na ɛyɛ ɔhyew a ɛkɔ soro a wɔde fa nneɛma a wɔde fa nneɛma mu anaa abɔso ne adansi mu membrane nneɛma pii: nyinsɛn a edi kan no de dilutePTFEdispersion a ɛwɔ binders ne couplingagents di dwuma, na ɛma primer no tumi hyɛn fiberbundles no mu kɔ akyiri. Wɔsintering akyi no, wɔyɛ mpregnations pii a edi hɔ a wɔde purePTFEemulsion ne interings anammɔn a ɛtoatoa so, na ɛde PTFE ahotew a ɛkorɔn kɔ soro wɔ asase ani. Eyi ma wonya nsakrae a ɛkɔ soro wɔ nneɛma a wɔahyehyɛ mu fi fiberglassfabricto a ɛyɛ PTFE a ɛho tew no mu, a emu nhyɛso ne tumi a ɛyɛ den a ɛka bom wɔ mu.

Awie

Nsɛm a wɔaboaboa ano no, nkitahodi a ɛda PTFEcoating ne fiberglassfabricinTeflon ntama a ɛyɛ hyew a ɛkorɔn ntam no nyɛ 'gluing'–ɛyɛ nea ɛyɛ den (nhyehyɛe a wɔde yɛ mfiridwuma): ɛnam nipadua mu anchoring a wɔde fa nhama so, ɛnam cou so plinggents ne primers ma wonya nnuru bonding ne transition, na ɛnam ɔhyew a ɛkorɔn intering awie nomelt-integration of the filmmlayers.Sɛ wɔde kata PTFE a ɛho tew so tẽẽ a, relayer no nyinaa bɛpepa ne litear biako.

Nsɛm a ɛwɔ atifi hɔ no, wɔde maJiangsuAokaiNneɛma FoforoMfiridwumaCo.,Ltd. Sɛ wopɛ sɛ wusua pii fa parameters a ɛkɔ akyiri, applicationscenarios, ne customization solutions a ɛfa yɛn nneɛma ahorow nyinaa ho a–a Teflon ntama a ɛyɛ hyew a ɛkorɔn,Teflon tap a ɛyɛ hyew ka ho e,Teflonhigh-temperaturemeshbelts,seamlessbeltsforlaminatingmachines,afã biakoPTFE ntama,ɔhyew a ɛkorɔn conveyorbelts,ɔhyew a ɛkorɔnfiberglasscloth,ne nea ɛkeka ho–yɛsrɛ wo te nka sɛ wowɔ ahofadi sɛ wo ne obi di nkitaho: ~!phoenix_var143_1!~

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