Cogo di PTFECoatingon TeflonFini min ka funteni ka bon, o bɛ nɔrɔFibreglasFini la cogo di?
PTFE(polytetrafluoroethylene) bɛ ni dugukolo fanga dɔgɔyalenba ye, a tɔgɔ ma fɔ ko a ye fɛn ye min tɛ nɔrɔ' ye.O la, a tɛ se ka siri fibreglasi fini na i n'a fɔ finimugu gansanw.A bɛ sɛgɛsɛgɛ ni Teflon ye min funteni ka bon othmanufacturer–JiangsuAokaiNewMaterialTechnologyCo.,Ltd., jɛɲɔgɔnya min bɛ u fila ni ɲɔgɔn cɛ, o bɛ sɔrɔ cogoya 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 yɔrɔ minnu bɛ ɲɔgɔn cɛ.Jalen kɔfɛ ani funteni caman na intering(approximately360–400°C),thePTFEparticlesmeltintoa 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 ko a bɛ kɛ cogo la min bɛ kɛ ka ɲɛsin fibreglasi finiw ma minnu ka ɲi kosɛbɛ.
Silane(siloxygroupe) laban kelen, hydrolyse kɔfɛ, a bɛ se ka siri ni hydroxylgroupes(-OH) ye kemikaliya la gilasi fiyɛw sanfɛ;
O kɔfɛ, minnu bɛ baara kɛ kuluw la, olu bɛ se ka ɲɔgɔn cɛ walima ka ɲɔgɔn minɛ kosɛbɛ ni fɛn nɔrɔlenw ye minnu bɛ fluorin sɔrɔ fɔlɔ la, kɔnɔtiɲɛ kɔfɛ walima u dacogo la.
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), polifenilɛnisulfidi (PPS), poliyetirisulfone(PES),walima poliyetheretherketone(PEEK), minnu bɛ jisuma ni nɔrɔli barikama kɛ gilasi fiyɛw la, wa u bɛ se ka kɛ ni o kɔfɛ cɛya funteni yePTFE ye u ni ɲɔgɔn cɛ taabolo la.
PTFEmicropowder: Walasa ka a jira ko PTFE fɔlɔ ni laban ka tulonkɛla bɛ se ka ɲɔgɔn sɔrɔ.
Nin primairelayer bɛ se ka kemikɛli jɛɲɔgɔnya ni farikolo sirili sɔrɔ ni fibreglasi fini ye min furakɛra ni coupling-agent ye, o bɛ kɛ transition layer barikama ye.O kɔfɛ, PTFE ka tulonkɛla bɛ PTFE yɔrɔ fara ɲɔgɔn kan primer intering waati la, o cogo la, a bɛ se ka nɔrɔli fanga caman sɔrɔ cogo tilennen na.
4.Hot-MeltAdhesiveFilmLamination(LaminationFɛɛrɛ) Nin fɛɛrɛ in,min bɛ kɛJiangsuAokaiNewMaterialTechnologyCo.,Ltd. fɛ, a bɛ kɛ ka sirili kɛ ka kɔn ka dilan kaban, ka kɛ PTFE filimuw ye minnu 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 ca a la wolonwula bɛ 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(fluorinééthylènepropylène)walimaPFA(perfluoroalkoxy)filimuw ,minnu wuliyɔrɔw 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.
Funteniba caman bɛ dilan ni fɛnɲɛnamafagalan 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 dun. 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 sirili fanga barikama bɛ a la.
Kuncɛli
Kuma surun na, jɛɲɔgɔnya min bɛ PTFEcoating ni fibreglasfabricineTeflon ni funteni caman cɛ, o tɛ 'gluing' dɔrɔn ye–a ye complexe(systematicien engineering process) ye: farikololabɔli fɛ ka ju ta fibrew la, cou fɛ plingagents ani primers ka se ka kemikoro jɛɲɔgɔnya ni transition sɔrɔ, ani ka tɛmɛ funteni caman fɛ intering ka dafa walasa ka film layers ka melt-integration dafa.Ni PTFE saniyalen tun datugulen don k’a ɲɛsin a yɛrɛ ma, relay bɛɛ bɛna peeloff ni kelen ye.
