Cogo di PTFECoating on TeflonFini min ka funteni ka bon, o bɛ nɔrɔ fibreglas fini na cogo di?
PTFE(polytetrafluoroethylene) bɛ ni dugukolo fanga dɔgɔyalenba ye, a tɔgɔ ma fɔ ko a ye fɛn ye min tɛ fɛn ye min tɛ nɔrɔ othmanufacturer–JiangsuAokaiNewMaterialTechnologyCo.,Ltd., jɛɲɔgɔnya min bɛ u fila ni ɲɔgɔn cɛ, o bɛ sɔrɔ a ka c’a la farikolo sirili ni masinw sirili fɛ, o bɛ fara a kan ni kemikɛli primer furakɛli ye ni rhot-meltadhesioncompositeffects ye.
Fɛɛrɛ kɛrɛnkɛrɛnnen minnu bɛ kɛ ka Teflon fini min funteni ka bon, olu sirili fɛɛrɛ kɛrɛnkɛrɛnnenw ye ninnu ye:
1.MechanicalInterlocking(Farakolo jɛɲɔgɔnya) . Nin ye fɛɛrɛ jɔnjɔnba ye.Fibreglasfabricit yɛrɛ ye porous textile ye.NiPTFEemulsion walima dispersion bɛ don fibreglas fabric kan, o PTFE bɛ don fibrew ni ɲɔgɔn cɛ yɔrɔw la ani u cɛtigɛyɔrɔw la.Jalen kɔfɛ ani funteni caman na intering(approximately360–400°C),thePTFEparticlesmeltinto a continuous film, firmly gripping the fiberbundles like numberless'anchorhooks.'Nka, ka i jigi da nin fɛɛrɛ in dɔrɔn kan, o bɛ na ni jɛɲɔgɔnya fanga danma ye hali bi, wa a ka c’a la, a bɛ fɛɛrɛ wɛrɛw wajibiya.
Nin bɛ se ka kɛ baarakɛcogo koloma ye min bɛ kɛ ka ɲɛsin PTFEfibreglasi finiw ma minnu ka ɲi kosɛbɛ.Fibreglasi finiw sanfɛla bɛ furakɛ fɔlɔ ni silane couplingagent ye (i n’a fɔ saminosilane, epoxysilane, wdfl):
Silane(siloxygroupe) laban kelen,hydrolyse kɔfɛ, a bɛ se ka siri ni hydroxylgroupes(-OH) ye kemikaliya la gilasifiyɛw sanfɛ;
O kɔfɛ, minnu bɛ baarakɛjɛkulu organiques ta, olu bɛ se ka jɛɲɔgɔnya barikama kɛ walima ka ɲɔgɔn minɛ ni fɛn nɔrɔlenw ye minnu bɛ primer fluorine kɔnɔ, kɔnɔtiɲɛ kɔfɛ walima finimugu kɔnɔ.
3.ChemicalPrimerTransitionLayer
Pt dacogo tilennen bɛ na ni nɔrɔli jugu ye a sɔgɔlen kɔfɛ, a ka c’a la, a ka c’a la, a bɛ kɛ fɔlɔ ka kɛ fibreglasi fini na.
Resin minnu bɛ nɔrɔ ɲɔgɔn na: I n’a fɔ poliyamidi-imidi (PAI), polifenilɛnisulfide(PPS), poliyetirisulfone(PES),walima poliyetheretherketone(PEEK), minnu bɛ jisuma ka ɲɛ ani minnu bɛ nɔrɔ gilasi fiyɛw la, wa u bɛ se ka se ka u ni ɲɔgɔn cɛ taabolow la minnu bɛ tugu ɲɔgɔn na.
PTFEmicropowder: Walasa ka a jira ko PTFE fɔlɔ ni laban ka tulonkɛla bɛ se ka fara ɲɔgɔn kan.
Nin primairelayer bɛ se ka kemikɛli jɛɲɔgɔnya ni farikolo sirili sɔrɔ ni fibreglasi fini ye min furakɛra ni coupling-agent ye, ka kɛ transition layer barikama ye.
4.Hot-MeltAdhesiveFilmLamination(LaminationFɛɛrɛ) Nin fɛɛrɛ in, min bɛ kɛJiangsuAokaiNewMaterialTechnologyCo.,Ltd. fɛ, o bɛ kɛ ka sirili kɛ ka kɔn ka dilan ka kɔn, ka PTFE filimuw ka bon, ka kɛ fibreglasi fini ye.Sabula PTFE ka sɔgɔsɔgɔninjɛ ka bon kosɛbɛ(a bɛ se ka kɛ ately10⊃1;0–10⊃1;⊃2;Pa·s), a ka gɛlɛn ka wolonwula wolonwula ni a sumana a ka wuliyɔrɔ sanfɛ, o cogo la, a bɛ se ka kɛ ko a bɛ se ka siri ni funteni ye. FEP(fluorinatedethylenepropylène)walimaPFA(perfluoroalkoxy)filimuw ,minnu wuliyɔrɔ ka dɔgɔn ka tɛmɛ PTFE kan(260–310°C ɲɔgɔn).U wulilen kɔfɛ, u bɛ se ka fibreglasi fini ko ka a bila ka jɛnsɛn/ka wuli ni PTFEfil ye msurface.Taabolo kɔnɔ,FEP/PFAfilimu bɛ bila PTFEfilɛri ni fibreglasi fini cɛ, a sumana ani a digilen, ani a nɛnɛ kɔfɛ, a sirilen barikama bɛ tiɲɛ.
Funteni caman bɛ kɛ ni fɛnɲɛnamafagalan caman ye minnu bɛ se ka fɛnw ta walima minnu bɛ kɛ ni fɛnw ye minnu bɛ se ka kɛ ni fɛn caman ye: kɔnɔtiɲɛ fɔlɔ bɛ kɛ ni PTFEdispersion dilute ye, sirilanw ni fɛnɲɛnamafagalanw bɛ minnu na, o bɛ a to primer ka don fibrebundles kɔnɔ ka taa a fɛ. Sɔgɔsɔgɔninjɛ kɔfɛ, kɔnɔtiɲɛ caman bɛ kɛ kɔfɛ ni PTFE saniyalen ye ani sɔgɔsɔgɔninjɛ taabolo tugu-tugulenw bɛ kɛ, o bɛ na ni PTFE saniyalenba ye ka taa a fɛ dugukolo kan. O bɛ fɛnɲɛnamafagalan dɔ dabɔ min bɛ bɔ fibreglasi fabrik la PTFE saniyalen na, ni kɔnɔna fanga ni jɛɲɔgɔnya fanga barikama bɛ a la.
Kuncɛli
Kuma surun na, jɛɲɔgɔnya min bɛ PTFEcoating ni fibreglasfabricineTeflon cɛ, o tɛ 'gluing' dɔrɔn ye–o ye fɛn ye min ka gɛlɛn(systematicien engineering process): farikololabɔli fɛ ka ju ta fibrew la, cou fɛ plingagents ani primers ka se ka kemikaliya jɛɲɔgɔnya ni transition sɔrɔ, ani ka tɛmɛ funteni caman fɛ intering ka dafa kafilm layers ka melt-integration dafa.Ni PTFE saniyalen tun datugulen don k’a ɲɛsin a yɛrɛ ma, o relay bɛɛ bɛna peeloff ni kelen ye.
