Extrusion Coating Adhesion, Corona furakɛli sigicogo

Extrusion coating lines bɛ balo walima ka sa nimɔrɔ kelen kan: u bɔli fanga min bɛ polimɛri wulilen ni substrat cɛ. Extrusion coating adhesion bɛ latigɛ segin damadɔ finɛtiri kɔnɔ furakɛli yɔrɔ ni nip cɛ, wa jiginɛ tuning hakɛ si tɛ se ka web kisi min donna die kɔnɔ ni surface energy jugu ye. Nin gafe in bɛ furakɛli sigicogo, substrat kɛcogo ani layini fɛn caman ɲɛfɔ minnu bɛ jɛɲɔgɔnya barikamaw di ni dannaya ye, minnu bɛ se ka segin-ka-bɔ, extrusion coating, extrusion lamination ani tandem layiniw kan.

Mun na Extrusion Coating Adhesion ye Surface Energy Gɛlɛya ye

Poliyetilɛni wulilen bɛ bɔ die la ni degere 300 ɲɔgɔn ye, ka se nip ma segin kelen walima segin fila kɔnɔ. O finɛtiri kɔnɔ a ka kan ka substrat (sɔgɔsɔgɔninjɛ) ɲigi pewu ani ka jɛɲɔgɔnya filananw Kɛ 'kɔnɔna na. Jisigi bɛ kɛ dɔrɔn ni substrat sanfɛla fanga tɛmɛna fɛnɲɛnamafagalan sanfɛla tansiyɔn kan, o min bɛ LDPE ta la, o bɛ bɛn dina 31 ma santimɛtɛrɛ kelen na ani kopolimɛriw ta la i n’a fɔ EAA, o bɛ se ka dɔgɔya.

Poliyolefini filimu min ma furakɛ, o sigilen bɛ dina 29 fo 31 la, a dancɛ yɛrɛ la. O de y’a to extrusion coating adhesion bɛ dɛsɛ stock furakɛbali kan ani o de kama corona furakɛli ye standard ye extrusion coating line bɛɛ kan. Furakɛli bɛ sanfɛla kɔrɔta ka se dina 38 fo 42 ma, wa min nafa ka bon kosɛbɛ, o ye ka polari baarakɛjɛkuluw don a kɔnɔ minnu bɛ kemikɛli jɛɲɔgɔnya lakikaw kɛ ni fɛnɲɛnamafagalan ye, a tɛ kɛ van der Waals ka ɲɔgɔn sɔrɔli dɔrɔn ye.

O kɔrɔ ye ko i tɛ se ka labɛnni jateminɛ ni dyne hakɛ dɔrɔn ye. Surface min bɛ dina 40 kalan k’a sababu kɛ nɔgɔ-driven roughness ye, o bɛ kɛ cogo wɛrɛ la ni min bɛ dynes 40 kalan k’a sababu kɛ oksidan lakika ye. Kɔrɔya nafa ka bon : yɔrɔ minnu furakɛra, olu bɛ kɔrɔbaya, wa extrusion coating adhesion bɛ dɔgɔya ka se ka suman ni furakɛli ni nip cɛ danfara tɛmɛna sekɔndi damadɔ kan, kɛrɛnkɛrɛnnenya la tile funteni ni nɛnɛ.

Korona fanga sigili ka ɲɛsin Extrusion Coating Adhesion ma

Watt density ye controling variable ye, min bɛ jira ni watts ye santimɛtɛrɛ kɛrɛnkɛrɛnnen kelen na miniti kelen kɔnɔ, yɔrɔ furakɛlen na. Walasa ka poliyolefini dabɔ filimu walima papiye kan, daminɛyɔrɔ min bɛ se 6 fo 12 W/cm2/min ma, o bɛ fɛn dilanni sira fanba datugu.

Jatebɔ kɛ k’a ɲɛsin a ma : watt density bɛ bɛn fanga waleyalen bɛɛ ma min tilalen don ni web bonya ni layini teliya jatebɔ ye. Layini min bonya ye mɛtɛrɛ 1,6 ye, n’a bɛ boli ni mɛtɛrɛ 200 ye miniti kɔnɔ, n’a bɛ kilowati 20 kɛ, o bɛ 6,3 W/cm2/min ɲɔgɔn sɔrɔ. Teliya bɛ kɛ siɲɛ fila ye a bonya basigilen na ani aw ka kan ka fanga kɛ siɲɛ fila walasa ka furakɛli hakɛ kelen minɛ.

Jaan fila bɛ baarakɛlaw minɛ siɲɛ caman. A fɔlɔ, fanga kɔrɔta ka tɛmɛ seginkanni dɔgɔyali hakɛ kan, o bɛ dugukolo jeni, ka nɔgɔw da minnu girinya ka dɔgɔn-molecules- ani tiɲɛ na, a bɛ extrusion coating adhesion barika dɔgɔya ni dancɛ barikama toli ye. Filanan, ni fanga dɔgɔyara ka boli walasa ka fanga mara, o bɛ kɛ sababu ye ka yɔrɔ dɔ dilan min bɛ sɛgɛsɛgɛli kɛ ka ɲɛ o yɔrɔnin bɛɛ la nka a tɛ se ka kɛ kɔrɔya kɔfɛ.

Tune ni peel fanga sumani ye, i kana kɛ ni dyne nimɔrɔ dɔ nɔfɛtaama ye. Aw bɛ dɔ fara fanga kan kɛmɛsarada la 10 fo ka se peel fanga plateates ma, o kɔ aw bɛ segin ka taa sigicogo dɔgɔman na min bɛ danfara lafiyalen di hali bi. O de ye i ka production set point ye.

Furakɛli min bɛ bɛn Substrat ma

Substrat bɛɛ bɛ taama cogo wɛrɛ la, wa settings minnu bɛ baara kɛ kelen kan, olu bɛna dɛsɛ dɔ wɛrɛ kan.

LDPE ni LLDPE filimu.A ka klasiki ko. A bɛ furakɛli dafalen de wajibiya ka se dina 38 fo 42 ma. Aw bɛ kɔ furakɛli kɔlɔsi filimuw kan minnu ka dɔgɔn mikron 25 ma, o bɛ kɛ sababu ye ka balili bila lafiya la.

BOPP (BOPP) ye.Kristali ka caya kɔrɔ ye ko furakɛli bɛ sigi ka surunya a sanfɛla la ani ka kɔrɔya dɔɔni dɔɔni. A ka c’a la, dinɛ 38 fo 40 laɲiniw bɛ se, nka extrusion coating adhesion bɛ se ka kɛ slip additives ye minnu bɛ taa sanfɛ ani ka jɛɲɔgɔnya bali.

SOKƆBAGAN MISƐNI.A bɛ daminɛ dina 41 lamini na minnu ma furakɛ, wa a mago bɛ yeelen tɛmɛsira dɔrɔn na walasa ka se 45 ma ka se 48. Furakɛli tɛmɛnen- ye farati yɛrɛ ye yan barisa a sanfɛla bɛ se ka kɛ mugu ye.

Aluminiyɔmu ka papiye.Conductive, o la, bɔli bɛ kɛ cogo wɛrɛ la ani roll covering ka kan ka funteni doni caman minɛ. Oksizɛni layini minnu bɛ papiye kan, olu bɛ bɛn kemikaliya siratigɛ la ni polar kuluw ye, o de y’a to extrusion coating adhesion to foil ka teli ka ɲɛ ni furakɛli kɛra ka ɲɛ.

Paper ni pankurun.Poroux ani humidité sensitive. Aw bɛ dina 40 fo 44 laɲini, ka wati hakɛ to a danma, ka jisuma kɔlɔsi, barisa ji laji min bɛ yɔrɔ la, o bɛ ji bɔli bali.

Substrates (sɔgɔsɔgɔninjɛ) minnu datugulen don ani minnu dilannen don ni nɛgɛ ye.Olu mago bɛ furakɛli nɔgɔman na, min bɛ kɔrɔsi ka ɲɛ, barisa baarakɛcogo lamini ka fin. Baarakɛcogo dɔgɔyali walima fiɲɛ furakɛli masin min bɛ kɔrɔsi-, o ka teli ka kɛ jaabi ɲuman ye ka tɛmɛ korona tɛmɛsira girinman kan.

Line Variables minnu bɛ Extrusion Coating Adhesion Changer

Furakɛli ye donta kelen dɔrɔn de ye. Layini bεε caman bε jaabi bεε Yεlεma, wa u ka kan ka ɲɛnabɔ ɲɔgɔn fɛ.

Waati min bɛ furakɛli ni nip cɛ.Nin ye fɛn caman sɛgɛsɛgɛli ye min tɛ jate kosɛbɛ. Aw bɛ sira surunya i n’a fɔ aw bɛ se ka kɛ cogo min na masin siratigɛ la. Seginnkanni kelen-kelen bɛɛ min bɛ fara a kan, o bɛ musaka bɔ polar kuluw la n’u bɛ u ɲɛsin kokura ka don caman na.

Web funteni hakɛ.Furakɛli kɛcogo ɲuman bɛ ɲɛ ni web sumayalen ye, ani nɔrɔli bɛ nafa sɔrɔ ni fɛn funteniman ye nip la. O kɔfɛ, funteni tɛmɛnen bɛ kulu minnu dabɔra kokura, olu gɛn.

Ozɔni ni a bɔli.Ozɔni ye furakɛli ye min bɛ sɔrɔ-fɛn fɛ, a tɛ furakɛli yɛrɛ ye, nka a bɛ fɛnw fana tiɲɛ. Ni bɔli bɛ ɲɛ, o bɛ minɛnw lakana ani ka gap fiɲɛ to a cogo la, o bɛ extrusion coating adhesion run sabati walasa ka boli.

Nip degun ani ka sigi.Degunba bɛ sɔgɔsɔgɔninjɛ bila ka kɛ surface micro-porosity ye ani ka mechanical keying ɲɛ. O bɛ furakisɛw sirili dafa ka bɔ furakɛli la sanni ka a bila a nɔ na.

Sa ni fiɲɛ gap.Fɛnɲɛnɛma min bɛ fiɲɛbɔyɔrɔ la, o ka oksidan bɛ polar kuluw Dabɔ polimɛri fan fɛ. Fiɲɛbɔyɔrɔ jan bɛ dɔ fara oksidan wulilen kan ani a bɛ se ka substrat furakɛli barikama dɔ musaka bɔ - nka a bɛ farati fana lase dakun basigibaliya ni kɔ-in ma.

Chill roll fini don.Matte chill roll bɛ gɛlɛya bila finimugu sanfɛla la, o tɛ nɔ bila bond fanga la nka a bɛ nɔ bila downstream print ni lamination baarakɛcogo la.

Substrat (sɔgɔsɔgɔninjɛ).	Dyne laɲini	Watt densité (W/cm2/min) .	Faratiba min bɛ a la
LDPE filimu	38–42	6–10	Kɔfɛla furakɛli
LLDPE filimu	38–42	8–12	Kɔrɔya ka kɔn nip ɲɛ
BOPP (BOPP) ye	38–40	5–8	Slip faralen ɲɔgɔn kan jiginni
SOKƆBAGAN MISƐNI	45–48	3–6	Furakɛli tɛmɛnen-, mugu kɛli
Aluminiyɔmu ka papiye	42–46	6–12	Roll thermal doni ye
Paper / pankurun	40–44	4–8	Ji bɛ gap kɔnɔ
Filimu min dilannen don ni nɛgɛ ye	44–50	3–5	Tiɲɛni min bɛ kɛ nɛgɛdaga la

Extrusion Coating Adhesion sumani ani a sɛgɛsɛgɛli

Aw mago bɛ sumanikɛlan fila la: kelen ye sanfɛla ye, kelen ye sirili ye.

Surface ta fan fɛ, dyne pens walima test inks bɛ go/no-go kalan teliya di. Aw bɛ u kɛ cɛmancɛ la ani u da fila bɛɛ la, furakɛli kɔfɛ joona ani ka segin ka kɛ ka kɔn nipi ɲɛ dɔɔni ni sira ka jan. Nafaw sɛbɛn; a drifting trend b’a fɔ i ye ko elekitorode walima dielektriki mago bɛ jateminɛ na.

Walasa ka sirili kɛ, aw bɛ T-peel test kɛ sample kɛnɛyalen kan. Extrusion coating kɔfɛ dɔrɔn, adhesion bɛ ka yiriwa hali bi, o la, sɛgɛsɛgɛli min kɛra ka bɔ layini kan ka ɲɛ, o bɛ nafa laban fɔ ka tɛmɛ walima k’a dɔgɔya ka kɛɲɛ ni polimɛri ye. Fɛɛrɛ min bɛ kɛ ka kɛɲɛ ni sariya ye, o ye ka fɛnw labɛn lɛri 24 kɔnɔ sani u ka sɛgɛsɛgɛli kɛ.

Aw bɛ peel fanga lajɛ ka kɛɲɛ ni furakɛli set points ye log nɔgɔman dɔ kɔnɔ. Ni extrusion coating adhesion drifts, log b’a fɔ i ye ni furakɛli, substrat lot walima line speed Changé, wa o bɛ diagnostic waati tigɛ kosɛbɛ.

Misali minnu bɛ kɛ tuma caman na minnu bɛ Extrusion Coating Adhesion tiɲɛ

Ɲininkaliw

J1: Ne mago bɛ dyne nivo jumɛn na walasa ka extrusion coating adhesion ɲuman sɔrɔ?

Ni poliyolefini substratw don, aw bɛ aw laɲini ka dynes 38 fo 42 kɛ santimɛtɛrɛ kelen na nip yɔrɔ la, aw kana a ɲini furakɛli bɔyɔrɔ la. PET ni foyi ta fan fɛ, dina 45 ye laɲini ye min bɛ mɔgɔ lafiya. Aw bɛ a sɛmɛntiya tuma bɛɛ ni peel test ye, barisa dyne hakɛ ye proxy ye, a tɛ laɲini ye.

J2: Yala ne bɛ se ka extrusion coating adhesion barikama sɔrɔ ni corona furakɛli tɛ wa?

Dɔrɔn ni substratw ye minnu bɛ polar chimie ta kaban, i n’a fɔ papier coté dɔw walima films pre-primé. Poliyolefiniw kan minnu ma daminɛ, yɔrɔ minnu ma furakɛ, olu tɛ se ka jigin ni dannaya ye ni fɛnɲɛnamafagalan ye, wa nɔrɔli bɛna dɛsɛ masin walima funteni degun si kɔrɔ.

J3: Furakɛli bɛ toli teliya cogo di sani extrusion coating ka kɛ?

Toli bɛ bɔ funteni, nɛnɛ ani dugukolo jukɔrɔla la. Ni nɛnɛ ni jalen don, web furakɛlen bɛ se k’a ka dina hakɛ fanba minɛ tile caman kɔnɔ. Ni extrusion coating line funteni ni nɔgɔlen don, bɔnɛ min bɛ sɔrɔ taama segin damadɔ kɔnɔ, o bɛ se ka kɛ dyne caman ye, o la aw bɛ sira furakɛlen to ka surunya.

J4: Yala layini teliya min ka bon, o bɛ extrusion coating adhesion dimi wa?

A tɛ kɛ ni watt density (watt density) bɛ to a cogo la. Teliya bɛ dɔ bɔ sigi waati la jibɔyɔrɔ la, o la aw ka kan ka dɔ fara fanga kan ka kɛɲɛ ni a hakɛ ye. Furakɛla bɛ a fanga danyɔrɔ la yɔrɔ min na, teliya bɛ kɛ sirili bali ye wa aw ka kan ka furakɛli sumaya walima ka sɔn furakɛli dɔgɔyali ma.

J5: Mun na extrusion coating adhesion bɛ danfara ka bɔ roll ni roll?

A sababu minnu ka teli ka sɔrɔ olu ye substrat lot caman caman cili ye, anti-block walima slip additive loading caman yeli, drift in electrode gap, dielectric wear, ani ambient humidity. Log peel bɛ sɔrɔ ka kɛɲɛ ni substrat lot number ye walasa ka source isolate.

J6: Yala ozɔni bɛ kojugu kɛ extrusion coating adhesion la wa?

Ozɔni yɛrɛ tɛ kojugu kɛ jɛɲɔgɔnya la, nka ozɔni min ma kɔlɔsi, o b’a jira ko bɔli ma kɛ cogo la min tɛ bɛn, o min bɛ danfara fiɲɛ Changer, o la, a bɔli bɛ Changer. Ozɔni caman fana bɛ nɛgɛ yɔrɔw tiɲɛ minnu bɛ kɛrɛfɛ ani ka lastikuw datugulanw kɔrɔ.

J7: Yala ne ka kan ka substrat fan fila bɛɛ furakɛ wa?

Kɛrɛ min bɛ finimugu sɔrɔ, aw bɛ o furakɛ. Fɛn fila bɛɛ furakɛli bɛ kɛ tuma dɔw la walasa ka kurukuruw kɔlɔsi walima ka kɔfɛ ɲɛda labɛn baara nata kama, nka o bɛ funteni doni caya siɲɛ fila ani ka dɔ fara a balili kan fiɲɛ bilali la.

Kuncɛli

Extrusion coating adhesion ye taabolo kɔlɔlɔ ye, a tɛ fɛn ye, wa furakɛli sigicogo ye levier belebeleba ye i bɛ min kɔlɔsi. Aw bɛ watt density sigi ka bɔ substrat ni layini teliya la, ka a sɛgɛsɛgɛ ni peel test ye conditioned samples kan, ka sira furakɛlen to ka surunya, ani ka log results kɛ walasa drift ka ye joona.

Shenzhen Hefeng Jiada Technology bɛ corona furakɛlikɛlaw, plasma furakɛli masinw ani contact web saniya minɛnw dilan minnu dilannen don extrusion coating ni lamination lines kama. Aw bɛ aw ka substrat, layini bonya, teliya ani laɲini peel fanga tila ɲɔgɔn na, ani an ka ɛntɛrinɛti injiniyɛriw bɛna furakɛli yɔrɔ bonya ani ka sigidaw laadi minnu bɛ extrusion coating adhesion minɛ boli kɔfɛ boli kɔfɛ.