Kedu ka usoro ọgwụgwọ dị n'elu si gbanwee n'ụdị elu nke akwa akwa okpomọkụ PTFE.

PTFE akwa okpomọkụ dị elu bụ ihe dị oké ọnụ ahịa maka ihe ndị na-adịghị mma, na-eguzogide okpomọkụ, na mgbochi corrosion. Ma otu ultra-smooth, ala-surface-power, chemically inert surface na-eme ka ọ dị mma maka ngwa ntọhapụ na-emekwa ka ọ fọrọ nke nta ka ọ bụrụ ihe na-agaghị ekwe omume ijikọ, bipụta, ma ọ bụ laminate.

Ihe ngwọta bụ ọgwụgwọ elu - injinia ma microstructure na ihe mejupụtara kemịkalụ nke elu PTFE iji tọghata ya site na enweghị ike ijikọ.

Aokai PTFE na-enye akwa PTFE nwere nhọrọ ọgwụgwọ elu dị iche iche. Ntuziaka a na-akọwa ụzọ anọ a na-ahụkarị - kemịkalụ etching, ọgwụgwọ plasma, ọgwụgwọ corona na ọgwụgwọ laser - yana otu onye ọ bụla si agbanwe elu ahụ n'ụzọ anụ ahụ na kemịkal.

Chemical Etching (Ọgwụgwọ Sodium-Naphthalene Ngwọta)

Usoro ọgwụgwọ mmiri mmiri a na-enye mmetụta kachasị ogologo oge ma hụ ngwa kachasị ukwuu maka njikọ PTFE.

1. Ngbanwe nhazi nke anụ ahụ

Ihe ngwọta dị mgbagwoju anya nke sodium-naphthalene na-ekpuchi elu PTFE site n'iwepụ atom fluorine na oyi akwa dị elu. E ji olulu na oghere ndị yiri coral nwere ọtụtụ micron ruo nanoscale a na-apụghị ịgụta ọnụ kụchie n'elu enyo na mbụ. Nrụgide a na-eme ka mpaghara elu ya dịkwuo ukwuu ma na-etolite ebe arịlịka na-ejikọta igwe maka nrapado.

2. Kemịkalụ Ọdịdị mgbanwe

Nke a bụ isi mgbanwe. Sodium na-ebelata ike na-ewepu atom fluorine site na ọkpụkpụ azụ carbon PTFE, na-ahapụ ụdọ carbon na-enweghị afọ ojuju na radicals efu. Saịtị ndị a na-arụ ọrụ na-emeghachi omume na mmiri na oxygen na ikuku ikuku ma ọ bụ ihe ngwọta, na-ewebata otu ọrụ polar gụnyere carbonyl (C=O), hydroxyl (-OH), na carboxyl (-COOH) . Ka ọ dị ugbu a, ọdịnaya carbon dị n'elu na-ebili ma oyi akwa a na-agwọ na-atụgharị ọchịchịrị-agba aja aja ma ọ bụ aja aja-oji.

3. Nsonaazụ

A na-emepụta oyi akwa na-arụ ọrụ nke obere carbon. Ike elu na-ebili site n'okpuru 20 dyn/cm maka PTFE dị ọcha na-adịghị edozi ya ruo n'elu 40-50 dyn / cm , nke na-enye aka na-ejikọta ya na adhesives dabeere na mmiri. Ngbanwe nhazi a na- adịgide adịgide . Otú ọ dị, oyi akwa a na-emeso bụ naanị ọtụtụ microns dị gịrịgịrị ma na-achọ nchebe nke ọma.

Ọgwụgwọ Plasma

A na-ejikarị eme ihe maka nhazi akụkụ ma ọ bụ n'ahịrị, a na-ekewa ọgwụgwọ plasma n'ime plasma oghere na plasma ikuku-nrụgide.

1. Ngbanwe nhazi nke anụ ahụ

Ihe dị elu nke ike (electrons, ions, free radicals) na-aga n'ihu na-atụba elu PTFE ma na-ebute mmetụta sputter-etching. A na-akpụpụta udidi nanoscale siri ike dị mma n'elu; A na-ewepụ oyi akwa oke na-adịghị ike na-emebighị mkpụrụ osisi fiberglass dị n'okpuru. N'ile anya n'ihu, elu ahụ a haziri nnukwu kristal na-agbanwe ka ọ bụrụ ọnọdụ micro-roughened amorphous.

2. Kemịkalụ Ọdịdị mgbanwe

Usoro gas na-ekpebi otu ndị na-arụ ọrụ ikpeazụ:

• Ọgwụgwọ gas inert (dịka ọmụmaatụ, argon): na-agbaji njikọ CF iji mepụta radicals n'elu maka ịdochi otu pola na-esote.

• Gases na-emeghachi omume (oxygen, amonia): gbanye hydroxyl, carbonyl, na amino dị iche iche ozugbo na agbụ molekụla.

3. Nsonaazụ

A na-enweta elu nano-roughened dị ọcha, nke nwere mmiri mmiri dị ukwuu. Mmetụta na-akwalite njikọ na-emebi oge ka oge na-aga , yabụ ekwesịrị ịme lamination ozugbo ọgwụgwọ plasma gasịrị. Isi uru ya bụ oyi akwa emezigharịrị nke na-emighị emi, nke na-agbanwe obere ihe n'ozuzu oke na agba mbụ.

Ọgwụ Corona

Usoro mgbapụta voltaji dị elu nke na-arụ ọrụ ngwa ngwa na ihe nkiri dị mkpa ma na-ata ahụhụ site na nrụpụta ngwa ngwa.

1. Ngbanwe nhazi nke anụ ahụ

Mwepu corona dị elu na-ebute ọkụ ọkụ micro-arc. Mmetụta sitere na electrons nwere ike dị elu na-agbaji agbụ molekụla PTFE, na-emepụta saịtị ndị na-arụ ọrụ, na-eme ka udidi na-emighị emi, nke na-adịghị mma. N'ihi iwetulata ume na ogologo oge mmeghachi omume dị mkpụmkpụ ma e jiri ya tụnyere ọgwụgwọ plasma, corona na-emepụta obere olulu dị ka mkpụkọ elu.

2. Kemịkalụ Ọdịdị mgbanwe

A na-emepụta ụdị ozone na oxygen na-emeghachi omume na mpaghara a na-ewepụ. Oxidation na-ewebata otu hydroxyl, peroxides, na carbonyl otu iji bulie ike elu nke ukwuu.

3. Nsonaazụ

Ọgwụgwọ ahụ na-emetụta naanị oyi akwa elu dị gịrịgịrị nke nwere ngbanwe nhazi nke anaghị akwụsi ike, nke mmetụta nrapado ya na-ebelata ngwa ngwa. A na-ebunye ya n'ụzọ bụ isi dị ka usoro nkwalite nrapado n'ime ahịrị nwa oge. Maka ihe ndị gbara ọkpụrụkpụ, juputara dị ka akwa akwa okpomọkụ dị elu PTFE, ọgwụgwọ corona na-ebutekarị nsonaazụ dị ala ma e jiri ya tụnyere ọgwụgwọ plasma na etching kemịkalụ.

Ọgwụgwọ Laser

Mgbanwe nke ọma n'elu site na iji excimer-laser ma ọ bụ femtosecond-laser technology.

1. Ngbanwe nhazi nke anụ ahụ

Mmetụta fotothermal na foto kemịkalụ na-emepụta kpọmkwem usoro n'usoro micron mgbe niile dị ka ripples, grooves, ma ọ bụ obere ogidi. Enwere ike ịhazi textures ndị a ejiri rụọ ọrụ nke ọma ka ha wee mepụta geometry kacha mma maka nchikota igwe na nrapado.

2. Kemịkalụ Ọdịdị mgbanwe

Igwe ọkụ laser dị elu na-agbaji agbụ CF ike dị elu, na-ebute defluorination mpaghara na carbonization. Ebe a na-agwọ ọrịa na-emepụta akwa carbon dị ka diamond ma ọ bụ eserese eserese nwere ọdịnaya oxygen dị elu. Ultraviolet excimer lasers nwere ike ịnyado monomers na-arụ ọrụ site na mmeghachi omume foto kemịkalụ na-enweghị carbonization.

3. Nsonaazụ

A na-enweta ngbanwe nhazi, ezubere iche, na nhazi nke udidi anụ ahụ yana polarity kemịkal. A na-atụgharị elu polymer inert ka ọ bụrụ akwa carbon-oxygen-ọgaranya nke nwere ike ịchịkwa ya na ike elu dị elu, na-ebuga arụmọrụ dị elu na nke na-adịte aka.

Nchịkọta - Mgbanwe nke anụ ahụ na nke kemịkal

Usoro ọgwụgwọ anọ niile na-enweta mgbanwe abụọ dị mkpa:

1. Mgbanwe nke anụ ahụ

A na-agbanwe elu elu ahụ dị larịị na-adịghị mma nke nwere molekụla ka ọ bụrụ ihe na-adịghị mma nke kpuchiri oghere micro-nano-scale cavities, grooves, na protrusions ụdị coral, na-enye ọtụtụ ihe nrịbama na-ejikọ ọnụ maka nrapado.

2. Ngbanwe kemịkalụ

A na-atụgharị elu elu ike dị ala nke e wuru site na agbụ perfluorocarbon (-CF₂-CF₂-) ka ọ bụrụ elu ike dị elu nke nwere ikuku oxygen- na nitrogen nwere otu pola na-arụ ọrụ. Enwere ike mee ka elu ahụ gbanwee site na gluu oge niile wee mepụta njikọ hydrogen ma ọ bụ ọbụna njikọ kemịkalụ nwere ụmụ irighiri ihe.

Aokai PTFE na-enye akwa PTFE nwere kemịkalụ kemịkalụ (na-adịgide adịgide, elu gbara ọchịchịrị) na ọgwụgwọ plasma (nke dị ọcha, na-echekwa agba, windo ịgbalite mkpụmkpụ) dị ka nhọrọ ọkọlọtọ. Ọgwụ laser dị maka ngwa pụrụ iche chọrọ usoro ziri ezi. Kpọtụrụ anyị ka anyị kparịta ihe gbasara njikọ gị.

Ọdịnaya teknuzu a kpọtụrụ aha n'elu bụ nke nyere Ụgwọ nke ụlọ ọrụ Jiangsu Aokai New Materials Technology Co., Ltd.

Ọ bụrụ na ị bu n'obi ịmụta ihe nkọwa nkọwa, ngwa ndapụta na ahaziri ngwọta maka anyị zuru- nso ngwaahịa, gụnyere PTFE elu-okpomọkụ ákwà, PTFE elu okpomọkụ nrapado teepu, PTFE elu okpomọkụ ntupu eriri, enweghị nkebi okpomọkụ-pịa eriri, otu akụkụ PTFE ákwà, elu-okpomọkụ na-eguzogide ozi eriri na-eguzogide, biko na-ebuga anyị eriri ákwà na-eguzogide ọgwụ. n'okpuru:

• Maazị Guo: +86 18944819998

• Maazị Liu: +86 13705266308

Anyị na-agbaso ụkpụrụ azụmahịa nke ọkachamara na iguzosi ike n'ezi ihe, raara onwe ya nye na-ebuga ngwọta ụlọ ọrụ nkwụsịtụ na ọrụ ndị ahịa na-ege ntị!