Plastiki sɛbɛn, i n’a fɔ izini ni fɛnsɔrɔfɛn nafama, a bɛ kɛ ka caya jɔli, pakew, piblisite, kemikɛli, ani foro wɛrɛw la. A ka baarakɛcogo n’a baarakɛcogo suguya caman bɛ Sɔrɔ fɔlɔ a dabɔcogo n’a kɔnɔfɛnw sugandili fɛ. Nin barokun in bɛna plastiki sɛbɛncogo jɔnjɔnw sɛgɛsɛgɛ ani ka kuma a dilanni taabolo kan, a ka fɛnɲɛnamafagalanw jɔnjɔnw, ani a ka fɛɛrɛko jɔnjɔnw kan, k’a laɲini ka kunnafoni di iziniw kan minnu bɛ tali kɛ ɲɔgɔn na.
I. Dakun basigilen sariyaw plastiki sɛbɛn .
Plastiki sɛbɛn bɛ dila fɔlɔ ni polimɛriw ye minnu ka bon (pastiki resinw) minnu bɛ baara kɛ ni farikolo walima kemikɛli fɛɛrɛw ye. A yɔrɔ kolomaw ye basigi resin, farankanw, ani dɛmɛnanw ye. Basi resin de bɛ sɛbɛn in ka masinko jɔnjɔnw, a ka funteni kunbɛn, ani a ka kemikaliya sabatili. Basi minnu bɛ sɔrɔ tuma caman na, olu ye poliyetilɛni (PE), poliporopilini (PP), polivinili kuloridi (PVC), polikarbonati (PC), ani akirilonitirili-butadiyɛn-Kopolimɛri stirili (ABS) ye.
Fɛn minnu bɛ fara a kan, olu bɛ kɛ ka sɛbɛncogo kɛrɛnkɛrɛnnenw ɲɛnabɔ, i n’a fɔ:
1. Plastikiw : Aw bɛ fɛn caman sɛgɛsɛgɛ, minnu bɛ kɛ ka caya PVC sɛbɛnw kɔnɔ;
2. Stabilisateurs : Aw bɛ funteni tiɲɛni walima fototalan bali, i n’a fɔ kɔgɔw ni organotin fɛnɲɛnamafagalanw;
3. Filɛriw : i n’a fɔ kalisiyɔmu karɔbɔni ni talc, ka musakaw dɔgɔya ani ka gɛlɛya sabati;
4. Tasumafagalanw : Tasuma kunbɛncogo ɲuman, min bɛnnen don ka baara kɛ ni a ye jɔli ni ɛntɛrinɛti baarakɛyɔrɔw la;
5. Kulɛriw: Aw bɛ kulɛri kɛrɛnkɛrɛnnen dɔ di sɛbɛnw ma aesthetics walima logos kama.
II. Plastiki sɛbɛnw dilanni fɛɛrɛw kunbabaw .
Plastiki sɛbɛnw dilanni taabolo tɛ kelen ye, wa fɛɛrɛ suguya caman bɛ nɔ bila u jɔcogo la, u janya tiɲɛni, ani u dilanni nafa ka bon. Ninnu ye fɛɛrɛ dɔw ye minnu ka teli ka kɛ:
1. Extrusion .
Extrusion ye fɛɛrɛ ye min bɛ kɛ ka caya ka ɲɛsin plastiki sɛbɛnw dilanni ma. O wale in bɛ tali kɛ resin peletiw ɲagamini na ni faralifɛnw ye, k’u sumaya ani k’u wuli, k’u bɔ kɛnɛ kan T-die kɔnɔ ka kɛ sɛbɛnw ye, o kɔfɛ ka tɛmɛ saba{2}}roll calender fɛ walasa ka u cogoya, u nɛnɛ, ani laban k’u tigɛ ka kɛ fɛn ye min bɛ se ka kɛ. Nin fɛɛrɛ in bɛnnen don funteni hakɛ ma i n’a fɔ PE, PP, ani PVC. A bɛ nafa di sɛnɛfɛnw bɔli ma min bɛ kɛ ka taa a fɛ ani musaka dɔgɔyali, nka u bonya kelenya bɛ nɔba bila nɔgɔ dilanni na.
2. Kalali .
Kalali fɛɛrɛ bɛ baara kɛ ni wulilan caman ye minnu bɛ ni yɔrɔ ye min bɛ kɔrɔsi walasa ka plastiki wulilen digi ka kɛ sɛbɛn finmanw ye. Nin wale in bɛnnen don fɛnw ma i n’a fɔ PVC ani ABS, o bɛ -gloss, low-thick sheets bɔ minnu bɛ kɛ ka caya decoration ani packaging na. A nafa bɛ sɔrɔ dugukolo sanfɛla flakɛli la, nka a bɛ minɛnw musaka caman de wajibiya wa a ka kan ka gɛlɛya kosɛbɛ fɛnɲɛnamafagalanw bɔli la.
3. Pressing hot .
Pressing hot bɛnnen don plastiki ma (i n’a fɔ fenɔli resinw) walima sɛbɛn belebelebaw, minnu ka bon. Fɛn minnu bɛ kɛ ka kɔn ka prepreg walima mugu kɛ, olu bɛ bila bɔgɔ la ka u furakɛ funteni ni tansiyɔnba la. Nin fɛɛrɛ in bɛ se ka sɛgɛsɛgɛ kosɛbɛ, wa a bɛ se ka sɛbɛnw bɔ minnu cogoya ka gɛlɛn, nka a bɛ sɛnɛ kɛcogo ɲuman dɔgɔya ani fanga caman sɔrɔli.
4. Coextrusion ani multilayer composite technologies .
Walasa ka sɛbɛnw ka baarakɛcogo bɛɛ lajɛlen yiriwa, bi taabolow bɛ baara kɛ ni coextrusion walima lamination ye tuma caman na. Misali la, wear- resistant layer ani barrier layer bɛ se ka lamini ni substrat layer ye walasa ka high-performance composite sheets dilan. Coextrusion bɛ baara kɛ ni extruders caman ye walasa ka fɛnw balo ɲɔgɔn na, ka multi-Layer structures dilan baara kelen kɔnɔ. A bɛ baara kɛ kosɛbɛ kosɛbɛ-End Construction and Automotive baarakɛcogo la.
iii. Fɛɛrɛ jɔnjɔnw ani jogoɲini .
Plastiki sɛbɛnw dilanni n’u cogoya bɛ nɔ bila fɛn caman na, i n’a fɔ fɛnɲɛnamafagalanw hakɛ, u kɛcogo paramɛtiriw, ani minɛnw tiɲɛni. Kɔrɔsili yɔrɔ kolomaw ye:
•Furakɛcogo: Funteni minnu bɛ wuli ka caya kojugu, olu bɛ se ka kɛ sababu ye ka tiɲɛni kɛ, ka sɔrɔ funteni dɔgɔyali kojugu bɛ se ka nɔ bila jibɔ la;
•Tressure Regulation: A bɛ fɛnw tilatilali kɛ cogo kelen na, ka bugunw ni density (dansi) bɛnbaliw bali;
•Kɛnɛya hakɛ: A bɛ nɔ bila sɛbɛn in ka kristalɛ ni a bonya sabatili la;
•Post-Baarakɛcogo taabolo, i n’a fɔ UV dacogo ani sanfɛla sɛbɛnni, o bɛ se ka baarakɛcogo ɲɛ ka taa a fɛ.
IV. Kuncɛli
Plastiki sɛbɛnw dilanni fɛɛrɛ bɛ sugandili caman wajibiya ka da a kɛcogo kan. K’a ta bɔli ni jatebɔ basigilen na ka se coextrusion ni compounding technologies kɔrɔlenw ma, taabolo kelen-kelen bɛɛ n’a nafa kɛrɛnkɛrɛnnenw n’a kɛcogoyaw bɛ a la. Don nataw la, ni sigida lakanani fɛnw (i n’a fɔ bio- plastiki basigilenw) ani fɛn dilanni fɛɛrɛ hakilitigiw donni, plastiki sɛbɛnw dilanni fɛɛrɛw bɛna ɲɛ ka taa a fɛ, k’u baara caya yiriwali sabatili la.
