PTFE mu butonde tenywerera ku fiber ya giraasi. Awatali kulongoosa bulungi kungulu, ekizigo kya PTFE ku Olugoye lwa PTFE olw’ebbugumu eringi bikozesebwa ebimaliriza kungulu – eddagala erissiigibwa ku lugoye lwa fiberglass nga tebannaba kusiiga.
Ebirungo bino – okusinga ebirungo ebiyunga organosilane – bikola nga ebibanda bya molekyu, nga bikwatagana mu kemiko ekiwuzi ky’endabirwamu ekitali kiramu ku PTFE ey’obutonde. Okulonda ekirungo, okusengejja kwakyo, n’enkola y’okuwonya mu musingi bye bisalawo amaanyi g’ebikuta, okuziyiza ebbugumu, obulamu bw’okunyiga, n’okukola kwa dielectric.
Aokai PTFE elongoosezza kemiko w’okumaliriza kungulu mu makumi g’emyaka egy’okufulumya. Ekitabo kino kinnyonnyola ebika by’ebirungo ebikulu, engeri gye bikwata ku bintu ebikulu, n’ensonga lwaki obujjanjabi obutuufu tebuteesebwako ku lugoye lwa PTFE olw’omutindo ogwa waggulu.
Ebika ebikulu eby’ebirungo ebimaliriza ku ngulu
Nga tebannaba kusiiga PTFE, olugoye lwa fiberglass okutwalira awamu luyita mu kuggyibwako wax n’okukola kungulu. Eddagala erijjanjaba ligabanyizibwamu okusinziira ku butonde bw’eddagala nga bwe liri wansi:
Olubu
Ebintu Ebimanyiddwa
Ebifaananyi & Enkola
Organosilane Coupling Agent (Ekisinga Okukozesebwa) .
Amino silane (KH-550 / A-1100) nga bakozesa eddagala eriyitibwa amino silane; Epokisi silane (KH-560 / A-187) .
Condenses okuyita mu Si-OH n’ebibinja bya hydroxyl ku ngulu w’obuwuzi bw’endabirwamu; ebibinja ebikola ebiramu bikola enkolagana ya kemiko oba okuzingibwa kw’ebintu → ebibanda bya molekyu, okutumbula ennyo okunywerera kw’okusiiga
Ekirungo ekigatta Titanate
Ebirungo ebiyitibwa monoalkoxy & chelate titanates
Okugumira ebbugumu okulungi ennyo okukwatagana n’enkola za fluoropolymer; erongoosa okufukirira kwa PTFE ku fiberglass, kunyigiriza okuvunda kw’ensengekera wansi w’ebbugumu eringi
Ekirungo ekigatta ekirungo kya fluorinated
Ekirungo kya perfluoroalkyl triethoxysilane
Amasoboza ag’okungulu amatono ennyo, okukwatagana kwa PTFE okw’ekika ekya waggulu; perfluorocarbon chain entanglement upgrades okunywerera, amazzi, okulwanyisa obucaafu omulimu
Ekirungo ekimaliriza Chromium Complex
Volan (methacryloyl chromium chloride) eddagala eriyitibwa ekirungo kya methacryloyl chromium chloride .
Obujjanjabi obw’okusiiga nga bukyali bwa classic; phased out olw’obutonde & recycling concerns wadde nga outstanding bonding effect
Nano Sol etali ya biramu
Silika sol, alumina sol
Akola nano-scale rough topography ku fiber surface ku bifo eby’okusimba ennanga mu byuma; etera okugattibwa n’ebirungo ebiyunga
Ekintu ekiyitibwa Polymeric Primer
Okusaasaana kwa PTFE / FEP / PFA okuzitowa molekyu entono, resin primer etabuddwamu ekirungo ekigatta
Ekola oluwuzi lwa fluoropolymer olw’enkyukakyuka olugonvu ennyo ku fiberglass okusobola okwanguyiza okukwatagana kw’ekkooti ey’okungulu okuddirira; kikendeeza nnyo ku bulabe bw’okukutuka (delamination risk).
Aokai PTFE ekozesa omugatte ogw’obwannannyini ogwa epoxy silane ne fluorinated coupling agents ku lugoye lwaffe olwa PTFE olw’omutindo ogwa waggulu. Enkola eno egumira 260°C okuweereza okutambula obutasalako awatali kuvunda kwa interfacial – okukakasibwa okugezesebwa okukaddiwa kw’ebbugumu okumala essaawa 3,000.
Enkosa ku bintu ebikulu eby’olugoye lwa PTFE olw’ebbugumu eringi
Okukola nga interfacial medium wakati wa inorganic glass fiber ne organic fluoroplastic, treatment agent grade n’okulongoosa bifuga okutwalira awamu omulimu gw’ebintu ebiwedde.
1. Amaanyi g’okunyweza & Obuwangaazi bw’okusekula
Omutindo gw’Obujjanjabi
Amaanyi g’okusekula
Enkola y’okulemererwa
Tezijjanjabwa / tezijjanjabiddwa bulungi
<2 N/cm
Ebiwujjo ebisiiga, okusalako oluvannyuma lw’okuyiringisibwa/okuzinga oba okubikkulwa mu bbugumu eringi; obulamu obutono obw’obuweereza
Ekirungo ky’okuyunga ekirongooseddwa
4–8+ N/cm
Okukwatagana kw’eddagala + okuzingibwa kw’omubiri; okusiiga kuziyiza okusekula wansi w’okufukamira enfunda eziwera n’okukubwa ebbugumu
Critical impact: Amaanyi g’okusekula ge nsonga esalawo ku bulamu bw’obukoowu bwa flex n’okuziyiza delamination.
2. Okuziyiza ebbugumu & Okunyweza ebbugumu
Ebirungo ebiyunga ebigumira ebbugumu eringi (ebirimu ensengekera za benzene oba heterocyclic, okugeza, epoxy & acyloxy silanes ezimu) bigumira 260°C ezitasalako n’entikko ez’amangu >300°C – ezikwatagana n’embeera z’empeereza ya PTFE.
Ebirungo ebigatta ebiramu ebya bulijjo bivunda mu bbugumu ku bbugumu eriri waggulu → ebifo ebiri wakati, okukyusa langi ya kyenvu, okusiba okusiiga.
Ekitegeeza okukozesa: Ku kukozesa ku bbugumu eringi, kakasa nti ekirungo ekimaliriza kyennyini kinywevu mu bbugumu, so si kusiiga kwa PTFE kwokka.
Uniform silane modification enhances PTFE emulsion okusaasaana n'okufukirira ku fiber surface → continuous compact coating nga pinholes ntono ne microcracks → kikulu nnyo ku breakdown voltage n'obusobozi insulation.
Eddagala erirongoosa eririmu amazzi oba erya ion lireeta okufiirwa kwa dielectric. Silane ow’obulongoofu obw’amaanyi yettanirwa ku lugoye lwa PTFE olw’omutindo ogwa waggulu okukendeeza ku kuyingirira obucaafu.
4. Okuziyiza eddagala & Okuziyiza obunnyogovu
Ekika kya Agent
Ddirira
Ekirungo ekigatta ekirungo kya fluorine
Inherent hydrophobic & oleophobic properties → eziyiza okuyingira kw’emisuwa gy’obunnyogovu n’eddagala erivunda → erongoosa nnyo okukaddiwa kw’ebbugumu ery’obunnyogovu, okuziyiza asidi & alkali
Nano sol etali ya kiramu
Dense barrier ekuuma fiber ya glass okuva ku etching nga hydrofluoric acid ne corrosive media
5. Okukyukakyuka & Okukola ebintu
Ekivamu ekyenkomerede
Ddirira
Ebirungo ebiyunga ebisukkiridde oba ebigaggawalidde mu bibinja ebikalu
Kakanyaza olugoye, okulemesa emirimu gy’okutunga n’okuzinga egiddako
Okukola n’enjegere empanvu ezikyukakyuka (flexible-chain silanes).
Akuuma pliability nga tasaddaaka bonding performance
Ekintu eky’omugaso: Omuwendo gw’ekirungo ekimaliriza ogusiigibwa gulina okuba nga gutebenkedde bulungi – ekitono ennyo kireeta okunywerera obubi, ekisusse kikendeeza ku kukyukakyuka.
Mu bufunze – Lwaki Ebirungo Ebimaliriza Engulu Bikulu
Eby'obwa nannyini
Ebikosa Obujjanjabi Obulungi
Ebiva mu Bujjanjabi Obubi/Obutafuna Bujjanjabi
Amaanyi g’okusekula
4-8+ N/cm
<2 N/cm → okukutula, okubumbulukuka
Okuziyiza ebbugumu
Enywevu okutuuka ku 260°C+
Ebituli ebiri wakati, ebimyufu, ebifuumuuka waggulu wa 200°C
Enkola ya dielectric
Okusiiga obutasalako, ebituli bya ppini ebitono
Okufiirwa kwa dielectric okusingako, akabi k’okumenya
Okuziyiza eddagala
Aziyiza obunnyogovu/eddagala eriweweeza ku misuwa
Glass fiber attack, okulemererwa nga tekunnabaawo
Okukyukakyuka mu mbeera
Akuuma pliability nga optimized
Olugoye olukaluba, oluzibu okuzinga
Ekikulu eky’okutwala: Ekirungo ekimaliriza kungulu ye tekinologiya omukulu mu kukola engoye ez’ebbugumu eringi mu PTFE. Nga zifugibwa ebirungo ebiyunga organosilane, eddagala lino lizimba okuyungibwa kwa molekyu ku nsengekera y’ebiramu n’ebiramu okugonjoola okunywerera okubi okwa PTFE okw’obuzaale ku fiberglass. Mu musingi ze zisalawo amaanyi g’ebikuta, obulamu bw’okunyiga, okuziyiza ebbugumu, okuziyiza amasannyalaze, n’obutakola eddagala.
In summary , ekirungo ekimaliriza kungulu ekissiddwa ku lugoye lwa fiberglass nga PTFE tennasiigibwa si kintu kitono – gwe musingi gwa PTFE ogw’omutindo gw’olugoye olw’ebbugumu eringi. Ebirungo ebiyunga organosilane (amino, epoxy, fluorinated) bikola ebibanda bya molekyu ebikulu wakati w’obuwuzi bw’endabirwamu ne PTFE, ne bitumbula amaanyi g’ebikuta okuva ku <2 N/cm okutuuka ku 4-8+ N/cm. Okujjanjaba obulungi era kwongera ku bugumu (260°C+), okukwatagana kw’okusiiga, okukola kwa dielectric, n’okuziyiza eddagala.
Bw’oba olonda olugoye lwa PTFE olw’okukozesa okusaba, buuza ku kemiko w’okumaliriza kungulu – kikosa butereevu obulamu bw’obuweereza n’okwesigamizibwa. Weewale ebifo ebitalongooseddwa oba ebirongooseddwa obubi, ebijja okukutuka wansi w’okunyigirizibwa okw’ebbugumu n’ebyuma.
Weetaaga olugoye olw’omutindo ogwa waggulu olwa PTFE olw’ebbugumu eringi nga lulina okumaliriza kungulu okulungi? Aokai PTFE ekozesa ensengeka z’ebirungo ebiyunga eby’omulembe okusobola okunyweza n’okuwangaala okw’ekika ekya waggulu. Tukwasaganye n'ebyetaago byo eby'okusaba.
Ebirimu Ebiweereddwa Jiangsu Aokai Ebintu Ebipya Tekinologiya Co., Ltd.
For detailed specifications, okulungamya okukozesa, n'okugonjoola customized of full product portfolio: PTFE high temp olugoye, PTFE adhesive tape, PTFE mesh omusipi, seamless fuser omusipi, single-sided PTFE coated olugoye, ebbugumu-resistant conveyor omusipi & high-temperature fiberglass olugoye , nsaba otuukirire:
Nga tukuuma obukugu n’obwesimbu, tuwa eby’ekikugu eby’enjawulo mu kifo kimu n’okuweereza bakasitoma mu ngeri elowoozebwako.
