Politetrafluoroethylene (PTFE) furakɛli sanfɛla furakɛli .

I n’a fɔ PTFE finiw dilannikɛla ŋana, Jiangsu Aokai New Materials bɛna politetrafluoroethylene (PTFE) sanfɛla furakɛli daminɛ.

PTFE bɛ funteni caman ni funteni dɔgɔyalen kunbɛncogo ɲuman jira, a bɛ se ka kemikɛli sɔgɔli kunbɛncogo ɲuman jira, a ka sɔgɔsɔgɔninjɛ hakɛ ka dɔgɔ ani a yɛrɛ tulubɔcogo. A bɛ baara kɛ kosɛbɛ ɛntɛrinɛti, masinw, kemikɛli minɛnw, sanfɛla, biyomedicine ani baara wɛrɛw la, ka tɔgɔ sɔrɔ 'Plastikiw masakɛ' . Nka, k’a sababu kɛ a ka kemikaliya baarakɛbaliya n’a sanfɛla fanga dɔgɔyali ye, PTFE ka gɛlɛn ka siri ni fɛn wɛrɛw ye, o min bɛ dan sigi a baarakɛcogo la fo ka se hakɛ dɔ ma. Walasa ka PTFE ni fɛn suguya caman nɔrɔli ɲɛ, a ka c’a la, fɛɛrɛw bɛ ta walasa ka PTFE sanfɛla baara caya. Fɛn suguya wɛrɛw kama, Aokai New Materials bɛ nin PTFE sanfɛla caman sɛmɛntiyacogo ninnu kɛ caman na.

1. Furakɛli ni kemikɛli jilama ye

Sodium -naphthalene kemikali furakɛli  ye fɛɛrɛ ɲumanw dɔ ye PTFE sanfɛla caman cili la. Ni taabolo nɔgɔn don ani musaka dɔgɔman, a ye sugandili ɲuman ye baarakɛcogo la Aokai New Materials ka PTFE izini na.

Sodium-naphthalene furakɛli bɛ kɛ kɛrɛnkɛrɛnnenya la ni etching solution ye walasa ka PTFE kɛ kemikɛli la, ka fluorine atomu dɔw bɔ a sanfɛ. O bɛ layini karɔbɔli to yen ka polar kuluw don a kɔnɔ i n’a fɔ hidroksili kuluw, karɔbɔli kuluw ani jɛɲɔgɔnya saturabaliw. O polari kuluw bɛ dɔ fara polimɛri sanfɛla fanga kan, ka dɔ bɔ ɲɔgɔnkanu yɔrɔ la ani ka jisigicogo ɲɛ, o la, PTFE bɛ wuli ka bɔ siribali la ka kɛ sirili ye.

2. Mekanokimiki jɛɲɔgɔnya fɛɛrɛ

Ni polimɛriw kɛra kɛnɛma fanga dɔw la (misali la, u sɔgɔli, u sɔgɔli, u sɔgɔli, a ɲɔgɔnnaw), cakɛda belebelebaw bɛ kari ani ka kɛ ni kemikɛli ye, i n’a fɔ mɛkano tiɲɛni, mɛkanokimiki crosslinking, mekanokimiki grafting, bloc copolymerization ani stress-activated polymerization. Olu bɛ Weele ko polimɛri mɛkanokimiki walew.

Mekanokimiki jɛɲɔgɔnya la, polimɛri min datugulen don ni nɛgɛ ye, o bɛ maga. Mekanokimiki wale fɛ, polimɛri sanfɛla bɛ mɛkanodegradation (mekanodegradation) kɛ walasa ka macromolecules free radicals (radicals libres macromoléculaires) dilan, o kɔfɛ, u bɛ jɛɲɔgɔnya covalent (covalent) kɛ ni molecules adhesives ye, ka jɛɲɔgɔnya barikama dɔ dilan ani ka joint (joli) sirili fanga ɲɛ kosɛbɛ.

3. Furakɛcogo min bɛ kɛ ni funteni caman ye

PTFE yɔrɔw caman cili sariyakolo jɔnjɔn ye funteni caman wulicogo fɛ, o ye : funteni caman na, PTFE sanfɛla kristali cogoya bɛ Changé, ani surface-energie caman, fɛn minnu bɛ siri nɔgɔya la i n’a fɔ SiO2 ani Al mugu, olu bɛ don a kɔnɔ. Nɛnɛ kɔfɛ, fɛn caman b’a la minnu bɛ se ka siri, olu bɛ kɛ PTFE sanfɛ. Ikomi fɛn minnu bɛ se ka siri, olu ka mɔlikuluw donna PTFE sanfɛla molekiyɔmu lamini na, jɛɲɔgɔnya tiɲɛni bɛ fɛnɲɛnamafagalanw ni ɲɔgɔn cɛ tiɲɛni de wajibiya, o bɛ na ni jɛɲɔgɔnya fanga caman ye.

4. Radiation (fiɲɛbɔcogo) fɛɛrɛ

PTFE bɛ bila monomɛri polimerizalenw na minnu bɛ se ka baara kɛ i n’a fɔ stirilɛni, asidi fumariki, mɛtakirilatiw ani fɛn wɛrɛw, o kɔfɛ, a bɛ yeelen bɔ ni Co-60 ye . O bɛ kɛ sababu ye ka monomɛriw ka polimɛri kɛ ni kemikɛli ye PTFE sanfɛ, ka jiribolo polimɛri layini dɔ dilan min sirili ka nɔgɔn. Grafting fana bɛ a yɔrɔ gɛlɛya, ka dɔ fara a siriyɔrɔ kan ani ka sirili fanga bonya.

5. Plasma furakɛli fɛɛrɛ

Plasma furakɛli ye fɛɛrɛ ye min bɛ ka yiriwa teliya la PTFE sanfɛla caman cili la nin san laban ninnu na.

O fɛɛrɛ in kunba ye ka sɛgɛsɛgɛli kɛ plasma furakɛli minɛn kɛrɛnkɛrɛnnen dɔ kɔnɔ, yɔrɔ min na ionw (ion bombardement) walima a donli bɛ molekiyɔmu jɛɲɔgɔnyaw tiɲɛ walima ka baarakɛjɛkuluw don polimɛri sanfɛ, ka yɔrɔ in baara walasa ka fɛn caman sɛmɛntiya. Iyɔnw bɛ se ka kɛ gaziw ye minnu tɛ baara kɛ, gazi minnu bɛ baara kɛ ni kemikɛli ye walima nɛgɛfɛnw. Bombe ni gazi minnu tɛ baara kɛ, olu bɛ se ka polimɛri sanfɛla cogoya sɛmɛntiya.

Kunnafoni minnu bɛ sanfɛ, olu dira Jiangsu Aokai New Materials Technology Co., Ltd fɛ.

Walasa ka paramɛtiriw ɲɛfɔlenw sɔrɔ, baarakɛcogo misaliw ani an ka fɛn dilannenw bɛɛ lajɛlen ɲɛnabɔcogo labɛnna — i n’a fɔ PTFE fini min bɛ funteni caman bɔ, PTFE kasɛti min bɛ funteni caman bɔ, PTFE cɛsirilan min bɛ funteni caman na, cɛsirilan minnu tɛ sɔgɔsɔgɔ sirilanw kama, PTFE fini min bɛ kɛ fan kelen fɛ, fɛnɲɛnamafagalan minnu bɛ se ka funteni caman kɛlɛ, galasi fibre fini min bɛ se ka funteni caman kɛlɛ ani fɛn wɛrɛw — aw ka aw yɛrɛ bila ka kuma an fɛ:

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