Sɛnea Woyi Nneɛma a Wɔde Ka Ho ne Nneɛma a Ɛnyɛ Molecular a Ɛba Fam Wɔ Coating no Mu Bere a Wɔreyɛ PTFE Ntama a Ɛyɛ Ɔhyew a Ɛkorɔn no

Jiangsu Aokai Nneɛma Foforo – PTFE High-Temperature Ntama Manufacturer, kyerɛ wo sɛnea. Bere a wɔreyɛ PTFE ntama a ɛyɛ hyew a ɛyɛ papa no, nneɛma a wɔde ka ho a aka ne nneɛma a ɛwɔ molecule a ɛba fam wɔ ade a wɔde kata so no yɛ nneɛma atitiriw a ɛka ɔhyew a etwa to a ɛko tia, agyapade a wɔayi no adi ne aduan ahobammɔ a ɛwɔ ade no mu. Sɛnea ɛbɛyɛ a PTFE ntama a ɛyɛ hyew kɛse no adwumayɛ du gyinapɛn ahorow ho no, ɔkwan a ɛyɛ katee a wɔfa so yɛ nneɛma pii ho hia na wɔayi efĩ yi afi hɔ.

Mfitiaseɛ Stage: Core Ɔhyew Ayaresa Ahotew ma PTFE High-Temperature Ntama Coating

Eyi ne adeyɛ a ɛho hia sen biara wɔ PTFE ntama a ɛyɛ hyew kɛse mu, a ɛma wonya honam fam mpaapaemu a ɛwɔ efĩ a wɔde kata so no mu denam ɔhyew a wɔhwɛ so pɛpɛɛpɛ so.

Afei PTFE emulsion impregnation a PTFE ɔhyew kɛse ntama substrate, ade no di kan hyɛn ɔhyew a ɛba fam drying oven. Wɔ sini a ɛyɛ nsu a ɛwɔ soro no fam no, wɔtaa hwɛ ɔhyew no so wɔ 240–285°C . Saa anammɔn yi nyɛ botaeɛ ne sɛ ɛbɛhyehyɛ film a wɔde kata so no, na mmom ɛbɛma nsuo, solvents ne surfactants a ɛwɔ coating gaps no mu no ayɛ hyew denam mframa a ɛyɛ hyew so. Sɛ wohuruw saa fã yi na woyɛ sintering a ɛyɛ hyew tẽẽ a, ɛbɛma pinholes anaa bubbles aba soro, na asɛe PTFE ntama a ɛyɛ hyew kɛse no compactness kɛse.

Akyiri yi, PTFE ntama a ɛyɛ hyew kɛse no hyɛn beae a ɛhɔ yɛ hyew kɛse a ɛyɛ 360–380°C . Wɔ saa ɔhyew yi mu no, PTFE nneɛma nketenkete a ɛwɔ soro no fi ase nwene na ɛsen, na ɛyɛ sini a ɛbɔ ho ban a ɛkɔ so. Saa bere yi nyinaa, saa ɔhyew a ɛboro PTFE melting point no ma kinetic ahoɔden a ɛdɔɔso ma oligomers a aka ne monomers a ɛnyɛ adwuma wɔ coating no mu no ma ɛyɛ vaporize na guan fi substrate no mu. Sintering hyew a wɔhwɛ so pɛpɛɛpɛ no ho hia kɛse ma PTFE ntama a ɛyɛ hyew kɛse no ho tew:

· Ɔhyew a ɛba fam sen 360°C no ma efĩ a ɛwɔ mu no ntumi nsɛe koraa;

· Ɔhyew a ɛboro 390°C ma PTFE molecule nkɔnsɔnkɔnsɔn no sɛe na ɛporɔw, na ɛde efĩ ba ade a wɔde kata so no mmom.

Secondary Stage: Fine Process Control wɔ PTFE Ntama a Ɛyɛ Ɔhyew a Ɛkorɔn mu

Wɔ core thermal treatment akyi no, control a ɛkɔ akyiri bere a wɔreyɛ no nso boa ma PTFE ntama a ɛyɛ hyew kɛse no ahotew grade tu mpɔn.

· Substrate Pretreatment : Ansa na wɔbɛkata so no, wɔde fiberglass ntama a wɔde yɛ PTFE ntama a ɛyɛ hyew kɛse no fa dewaxing ne degumming ayaresa a edi mũ mu. Nkwammoaa nkae a ɛwɔ ntama a wɔde gyina so no so no bɛyɛ carbon bere a wɔreyɛ hyew akyiri yi na akɔ so atra nea ɛwɔ ntam no mu, na ayɛ sintɔ ahorow a ɛkɔ so daa a wontumi nyi mfi hɔ.

· Auxiliary Cleaning : Wɔ PTFE ntama a ɛyɛ hyew kɛse a ɛhwehwɛ ahotew kɛse no, wobetumi de intanɛt so ahotew a wɔde nnuru pɔtee bi anaa ultrasonic ayaresa adi dwuma wɔ nneɛma a wɔayɛ no fã bi ho, na ama mfutuma a ɛwɔ soro no a woyi fi hɔ ne ngo a wɔde yɛ adwuma no ayɛ kɛse.

Tertiary Stage: Source Control Strategy a wɔde yɛ PTFE Ntama a Ɛyɛ Ɔhyew a Ɛkorɔn

Ɔkwan a eye sen biara a wɔfa so tew ho ne sɛ wobesiw efĩ ano ansa na wɔahyɛn nneɛma nhyehyɛe no mu, a ɛhwehwɛ sɛ wɔn a wɔde ntama a ɛyɛ hyew kɛse ma PTFE no de gyinapɛn a emu yɛ den a wɔde hwɛ nneɛma a efi mu ba so si hɔ.

· Nneɛma a Wɔde Yɛ Nneɛma a Ɛyɛ Paara a Wɔpaw : Ɛsɛ sɛ wɔde PTFE dispersion resins a ɛho tew kɛse a ɛho tew nnu 99.9% nkutoo na ɛyɛ nneɛma a wɔde kata so. Nneɛma a ɛnyɛ molecule a ɛba fam dodo wɔ resins a ɛba fam mu, na ɛma ɛnyɛ yiye sɛ wɔbɛyɛ ntama a ɛfata a ɛyɛ PTFE a ɛyɛ hyew kɛse ɛmfa ho sɛnea wɔbɛma sintering ayɛ yiye akyiri yi no.

· Auxiliary Agent Control : Sɛ srade anaa leveling agents ho hia wɔ coating formulation mu a, ɛsɛ sɛ wɔpaw low-boiling, highly volatile types, na wɔhwɛ wɔn dodow so denneennen na ama wɔahwɛ ahu sɛ wɔayi afi ade a wɔawie no mu koraa.

· Tew Nneɛma a Atwa Yɛn Ho Ahyia : Ɛsɛ sɛ adwumayɛbea a wɔyɛ nneɛma no kura nhyɛso pa ne ahotew mu. Wɔde PTFE akata nnwinnade no mu anaasɛ wɔde dade a ɛnyɛ den na ɛyɛ na amma mfutuma ne nneɛma a asɛe a efi nneɛma a atwa yɛn ho ahyia mu anaasɛ mfiri a ɛbɔ no anhwe ase wɔ sini a ɛyɛ nsu no mu na ɛnyɛ efĩ a ɛwɔ kɔla ahorow wɔ ade a wɔde kata so no mu.

Ade titiriw a ɛma woyi nneɛma a aka wɔ PTFE ntama a ɛyɛ hyew kɛse mu no da sintering hyew ne ɔhyew curve a wɔhwɛ so pɛpɛɛpɛ no so. Ɛdenam ɔhyew a wɔde sa yare ne ahotew sohwɛ a wɔde di dwuma nyinaa a wɔde bɛka abom nkutoo so na PTFE ntama a ɛyɛ hyew a wɔawie no betumi de nneɛma a ɛkyɛn so a ɛnyɛ nea ɛbata ho, ɛko tia ɔhyew ne nea ɛbɔ ho ban kɛse ama.

Nsɛm a ɛwɔ atifi hɔ no yɛ nea Jiangsu Aokai New Materials Technology Co., Ltd. na ɛde mae.

Sɛ wopɛ parameters a ɛkɔ akyiri, application scenarios ne customized ano aduru a yɛn nneɛma nyinaa ka ho a PTFE high-temperature ntama, PTFE high-temperature tape, PTFE high-temperature mesh belt, seamless belt ma bonding mfiri, biako-afã PTFE ntama, high-ɔhyew resistant conveyor belts ne high-temperature fiberglass ntama, yɛsrɛ wo te nka sɛ wowɔ ahofadi sɛ wobɛka ho yɛn nam:

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