PVC kola ye nɛgɛ ye min dilannen don kɛrɛnkɛrɛnnenya la kulori polivinili (PVC) fɛnw sirili kama. A bɛ kɛ kosɛbɛ walasa ka plastiki pibilikiw, profilw, filimuw ani fɛn wɛrɛw fara ɲɔgɔn kan ani k’u dilan. A ka baarakɛcogo sinsinnen bɛ fɛɛrɛ caman ka jɛɲɔgɔnya nɔ kan, i n’a fɔ kemikɛli doncogo, fɛnɲɛnamafagalanw bɔli, ani farikolo kɛnɛyali, walasa ka jɛɲɔgɔnya barikama sabati PVC fɛnw ni ɲɔgɔn cɛ.
A ka c’a la, PVC kola yɔrɔ kolomaw ye fɛnɲɛnamafagalan ye (i n’a fɔ asetɔni walima sikloheksanɔn), plastiki, resin ani sabatili. Ni kola in kɛra PVC yɔrɔ la, furaji bɛ daminɛ fɔlɔ. A bɛ don joona PVC fɛn in ka mikroporozɛni jɔcogo la, ka sanfɛla nɔgɔya ani ka van der Waals fanga dɔgɔya PVC mɔlikuluw ni ɲɔgɔn cɛ, o bɛ kɛ sababu ye ka sanfɛla nɔrɔ kosɛbɛ. O wale in, n’a bɛ fɔ a ma ko "funu" walima "plasticisation", o ye fɛɛrɛ jɔnjɔn ye walasa ka jɛɲɔgɔnya barikama sɔrɔ PVC kola la.
O kɔfɛ, resin yɔrɔ min bɛ kola kɔnɔ (i n’a fɔ kuloridi vinili-vinili asetati kopolimɛri walima polimɛri wɛrɛw minnu girinya ka bon) o bɛ daminɛ ka jɛnsɛn PVC yɔrɔ nɔgɔlen na, ka a siri farikolo la ni PVC molekiyɔmu cakɛdaw ye ani ka a yɔrɔ dɔ siri u la kemikɛli siratigɛ la. Plastikilanw fana bɛ dɔ fara resin ni PVC ka ɲɔgɔndɛmɛ kan, o b’a to nɔrɔlan bɛ se ka don ka ɲɛ ani ka yɔrɔ misɛnninw fa fɛnw ni ɲɔgɔn cɛ, o bɛ jɛɲɔgɔnya fanga ɲɛ.
Ni furaji bɛ wuli, resin yɔrɔ min bɛ kola kɔnɔ, o bɛ gɛlɛya dɔɔni dɔɔni, ka kɛ polimɛri rezo gɛlɛn ye min bɛ PVC fila siri ɲɔgɔn na kosɛbɛ. O furakɛli kɛcogo in bɛ se ka kɛ farikolo jalen ye (solvant evaporation) walima kemikaliya walew (i n’a fɔ cross-linking), ka kɛɲɛ ni kola dilanni ye.
A nafa ka bon k’a dɔn ko PVC kola sirili baarakɛcogo bɛ nɔ bila a lamini funteni, nɛnɛ ani a sanfɛla saniya la. Sani a ka kɛ, a ka c’a la, PVC sanfɛla bɛ sɔgɔ walima ka saniya walasa ka furaji doncogo ɲuman sɔrɔ ani ka jɛɲɔgɔnya kɛcogo ɲɛ.
Kuma surun na, PVC kola bɛ PVC fɛnw sirili ɲuman sɔrɔ ni fɛɛrɛ caman ye, n’o ye ka fɛnɲɛnamafagalanw nɔgɔya, ka resin don, ani ka u kɛnɛya, o b’a kɛ fɛn ye min nafa ka bon kosɛbɛ plastiki fɛnw dilanni n’u dilancogo la.