Plastic sɛbɛ, i n’a fɔ fɛn jɔnjɔn min be se ka kɛ bi tile baarakɛyɔrɔw ani boon lɔli la, a be kɛ ka fɛnw labɛn ka ɲɛ, ka boonw lɔ, ka pibilisitew yira, ka kemikali yɔrɔw latanga ani ka baara wɛrɛw kɛ. A labɛncogo ɲuman be nɔɔ to sɛbɛnin ka baara, a ka ɲumanya ani a ka dilan musakaw kan. Ni polimeri minɛnw lɔnniya ni baarakɛcogo fɛɛrɛw be taga ɲɛ tuma bɛɛ, plastiki sɛbɛw dilanni fɛɛrɛw be kɛra ka caya, ani baarakɛcogo kelen kelen bɛɛ be danfarabaw yira baarakɛcogo ɲuman, tiɲɛn ani baarakɛcogo la. Nin barokun be plastiki sɛbɛnba don a la cogo labɛnnin na, a b’u ka fɛɛrɛw n’u ka baarakɛcogo sɛgɛsɛgɛ ani a be kuma izini ka fɛɛrɛw yiriwali koo la.
I. Plastic Sheet dilan cogo lajɛ .
Plastiki sɛbɛ min be dilan ka ɲɛ, o ye ka fɛnw yɛlɛma (i n’a fɔ granules, muguw, walima jilamanw) k’u kɛ fɛnw ye minw be se ka yɛlɛma, u bonya ani u ka kɛcogow be sɔrɔ thermodynamique ani mekaniki baarakɛcogow fɛ. Ka kɛɲɛ ni fɛnw cogoya n’u labɛncogo ye, a labɛncogo be se ka tilan yɔrɔ fila la: thermoplastik dilan cogo ani thermosetting cogoya. Thermoplastis (i n’a fɔ poliyetilɛn (PE), polipropilɛni (PP), polivinili kɔlɔri (PVC), ani polikarbonati (PC)) olu kɛra fɛnw ye minw be se ka dilan sabu u be se ka nɔgɔya siɲɛ caaman ani k’u gɛlɛya ni nɛnɛ ye, o be na ni fɛnw ye minw ka ca.
II. Sɛgɛsɛgɛri min kɛra ka ɲɛsin Plastiki ka jɛgɛw ma minw be se ka kɛ ka mɔgɔw ladon .
Ɲɛfɔli kɛcogo
Extrusion ye baara ye min be kɛ ka caya ka taga ɲɛ ni plastiki sɛbɛw dilan ye, min bɛnnin lo thermoplastik fanba ma. A ka minan jɔnjɔnw ye bɔli ye (a be se ka kɛ ni visi, barigo, ani kalayalan ye) ani T-die walima fani-2. O baara kɛcogo ye nin ye: A janin kɔ ani ka kɔn- ɲɛ, nɛgɛdaga be kalaya ani k’a digi a la barigo kɔnɔ, o kɔ, a be bɔ die kɔnɔ ka sɛbɛ dɔ dilan min be to ka kɛ. O kɔ, o sɛbɛn be dilan ani k’a labɛn ni -} ka kalolabɔbaga saba ye (walima a be ni yɔrɔ naani ye/{8}}22}2222}2nan) ka se ka yɛlɛma ani ka yɔrɔ pɛtɛnin kɔlɔsi. A laban, a be tɛmɛ nɛnɛbɔlan dɔ fɛ walisa ka nɛnɛ joona ani ka yɛlɛma, ani o kɔ, a be dilan ani ka tigɛ walisa ka fani min banna, o bɔ.
O fɛɛrɛ be nafa di baarakɛcogo ɲuman ma (sira teliya be se ka se mɛtɛrɛ tan ma miniti kelen kɔnɔ) ani ka to ka baara kɛ. A bɛnnin lo ni - ye drapow bɔli hakɛ min ka bon ni ɲɔgɔn ye ( ±0,1mm kɔnɔ) ani bonyaw bonya (a ka ca a la 0,5{6}3 mɛtiri, ni bonya hakɛ min ka bon ni mɛtɛrɛ 6 ye). Ni an be dumuni dilan cogo, a ka lɛsɛli teliya, ani a ka funteni hakɛ, ani a ka funteni hakɛ, a kelen kelen wala a ka funteni hakɛ yɛlɛma, a ka kɛ i n’a fɔ co-}}fog composite composite composit (i n’a fɔ co-}fogs ani barinan minw be se ka mɔgɔw bali ka baara kɛ) olu fana be se ka bɔ. Nka, bɔli yɛlɛmani be dan a ka yɛlɛmani ma min be se ka kɛ ka kɛɲɛ ni yɔrɔ saba ye ani a ka baarakɛcogo ɲumanw ye (a ka ca a la, a ka ɲi ka yɛlɛma (MI) A ka bon ni 1g/10min ye wala a be bɛn n’a ye).
Hot Compression ka yɛlɛmani (Molting fɛɛrɛ)
O la, a be se ka kɛ ko a be se ka kɛ ko a be se ka kɛ ko a be se ka kɛ ko a be se ka kɛ ko a be se ka kɛ ko a be se ka kɛ ko a be se ka kɛ ko a be se ka yɛlɛma (i n’a fɔ fenoliki rɛzɛnw ani epokisi rɛzini) ani thermoplastique dɔw (i n’a fɔ ABS ani polimidi (PI)). O sariyakolo ye ka nɛgɛdaga (walima mugu/granules) bila nɛgɛ mugu dɔ kɔnɔ, k’a nɔgɔya ni kalaya ye (a ka ca a la, a be se ka se degere 150-300 ma ), ani a be degun (5-50MPa) kɛ ka mugu yɔrɔ fa ani k’a fanga bonya a cogoya la.
O fɛɛrɛ jɔnjɔn ye a ka se ka fɛnw dilan minw ka gwɛlɛ (i n’a fɔ izini ka doni-} pilaki minw be ni yɔrɔw ni nɛgɛw ye) ani fɛn minw ka bon ({1}}dɛmɛnti minanw (minw be muɲu ka tɛmɛ 0,2mm kan, o b’a to a be bɛn kɛrɛnkɛrɛnnin na ni yɔrɔ fitinin ye{{3}. Nka, n’an be yɛlɛma yɛlɛma, o be se ka kɛ miniti damanin ye ka taga se miniti tan ma) ani kuran min be bɔ (a be yɛlɛma yɛlɛma ani a be nɛnɛ 40% ni kɔ. O kama, a ka ɲi ka kɛ baarakɛcogo ɲumanw ye minw ka baarakɛcogo ka ɲi, i n’a fɔ sanfɛlafɛnw ani mobili yɔrɔw.
Impotion Molding (A be se ka baara kɛ ni Sheets ye)
Hali ni pikiri yɛlɛmani be kɛ ka yɔrɔ saba bɔ-dimensiyɔn yɔrɔ saba, a be se ka kɛ fana ka ultra-thin plastiki sɛbɛw dilan (<2mm thick) through optimized mold design (such as using flat flow channels and thin-walled cavities). The process involves melting plastic granules in the injection molding barrel and injecting them into a split mold under high pressure (80-200 MPa). After cooling and solidification, the mold is opened and removed.
Pikiri mugu ka nafaw ye ka yɔrɔ jan (Ra 0,1μm walima a ka dɔgɔ o la) ani ka se ka fɛnw don a la (i n’a fɔ nɛgɛ nɛgɛlamanw). Nka, dan na dan na, a ka gwɛlɛ ka fani belebelew wala drapow dilan minw ka bon ni ɲɔgɔn ye. Sisan, o baara be kɛ fɔlɔ fɔlɔ la minw be se ka kɛ i n’a fɔ ɛlɛkitoroniki min be sɔrɔ ɛntɛrɛnɛti kan ani laboratuwari ka tilenninya yɔrɔw.
Dɛmɛ wɛrɛw
Ka fara o kan, fɛn minw kofɔra sanfɛ, u dɔw fana ka kan ka kɛ ka mɔgɔw ladon (yɛlɛmani yɛlɛmani ka tɛmɛ yɔrɔ min be yɔrɔ caaman cɛ, min bɛnnin lo ni PVC ka dugukolo datugulanw ye, n’a ɲɔgɔnnaw), i ka fani yɛlɛma (o be se ka kɛ ka yɔrɔw labɛn), ani ka thermoforming (waati dɔ labɛn, i n’a fɔ ka fani pɛtɛnin dɔ kalaya ani ka sɔrɔ k’a dilan ka kɛ kɛsu ye). O baarakɛcogow be kɛ tuma caaman na i n’a fɔ fura wɛrɛw minw be fara ɲɔgɔn kan ni yɛlɛmani fɛɛrɛ fɔlɔ ye.
III. Fɛɛrɛw ni gwɛlɛyaw .
Sisan, plastiki fɛnw be yiriwara ka ɲɛsin baarakɛcogo ɲuman, lɔnniya ani baarakɛcogo ɲuman ma. Faan dɔ fɛ, izini ka ɛntɛrɛnɛti ani masin yeli fɛɛrɛw donni b’a to tiɲɛnkow be se ka kɛ tiɲɛn na-. wagati kɔlɔsili ani ka paramɛtiriw kɔlɔsi ni ɔridinatɛri ye i n’a fɔ funteni, degun, ani teliya (misali la, PID datugura-looop kɔlɔsili tiɲɛn na, o cayara ka se degere ±0,5 ma), ka fɛnw ɲumanya sabati kosɔbɛ. Faan wɛrɛ fɛ, lamini latangako makoɲɛfɛnw be yɛlɛma don fɛnw labɛnni na ka ɲɛsin bio- ma pilasitiki (i n’a fɔ asidi polilaktiki (PLA)) ani fɛnw minw be se ka yɛlɛma. Misaliya la, duguma-tempimɛtiri fɛɛrɛ be labɛnna ka dɔ bɔ kuran minɛcogo la, ani co- ɲɔgɔndan be kɛ ka yɛlɛma don ka fɛnw labɛn ka ɲɛ.
Nka, gɛlɛya bele be gɛlɛya dɔw kan: Fɔlɔ, a ka bon-}performansi minanw (i n’a fɔ a ka ca-tempinɛmayali -} ɛnzeniyɛriw ka sɛbɛnw ani ultra{3}}} optiki 2nan ka kan ka kɛ ka ɲɛ kosɔbɛ ani ka fɛnw bɛn ɲɔgɔn na. A filanan, laada fɛɛrɛ dɔw (i n’a fɔ pressure kalaman) be ni ɔridinatɛri hakɛ dɔgɔman ye ani a be baara caaman kɛ bolola, o be se ka kɛ sababu ye ka dɔ bɔ musakaw la minw be se ka yɛlɛma. Siniɲɛsigi la, ni fɛnw lɔnniya, masinko, ani hakilidiya kɔlɔsili, plastiki sɛbɛnw labɛncogo be se ka baara dancɛw yɛlɛma tugun ani k’u ka baarakɛcogow bonya yɔrɔ kuraw la i n’a fɔ fanga kura (i n’a fɔ fotovoltaiki kɔfɛlanw) ani furakɛli (i n’a fɔ sɛbɛnfura minw be se ka yɛlɛma).
O la, a be se ka kɛ ko a ka ɲi ka sɛgɛsɛgɛri kɛ ka ɲɛ, ka fɛɛnw cogoya, fɛɛnw ɲini ani k’u sɔngɔ -}yelite nɔɔ jateminɛ. K’a ta laada yɛlɛmani ma ka taga a bila a la, ka taga a bila bɔli ɲuman na ka taga a bila sɛgɛsɛgɛri hakiliman na, baarakɛcogo kelen kelen bɛɛ be lɔyɔrɔba ta koo kɛrɛnkɛrɛnninw na. Ni fɛɛrɛ kuraw be to ka kɛ, plastiki sɛbɛw bena a yira ko u be nafa sɔrɔ nɔgɔman na, u be se ka nɔgɔ, ani u be se ka baara kɛ cogo nɔgɔman na baarakɛcogo caaman na, u be kɛ fɛɛn jɔnjɔn jɔnjɔn ye min be dɛmɛ don bi tile dilan cogo ɲuman na.
