Kedu ihe bụ PVC?

PVCdị mkpụmkpụ maka polyvinyl chloride, ọdịdị ya bụ ntụ ntụ ọcha. PVC bụ otu n'ime plastik izugbe ise n'ụwa. A na-ejikarị ya eme ihe n'ụwa nile, karịsịa n'ọhịa ihe owuwu. Enwere ọtụtụ ụdị PVC. Dị ka isi iyi nke akụrụngwa si dị, enwere ike kewaa yacalcium carbideusoro nausoro ethylene. Ngwa ngwa nke usoro calcium carbide tumadi sitere na kol na nnu. Akụrụngwa maka usoro ethylene na-esite na mmanụ ala. Dị ka usoro mmepụta dị iche iche si dị, enwere ike kewaa ya na usoro nkwụsịtụ na usoro emulsion. PVC eji eme ihe n'ubi bụ usoro nkwusioru n'ụzọ bụ isi, PVC ejiri mee ihe n'ọhịa akpụkpọ anụ bụ usoro emulsion bụ isi. A na-ejikarị PVC nkwusioru eme ihe: PVCọkpọkọ, PVCprofaịlụ, Ihe nkiri PVC, akpụkpọ ụkwụ PVC, eriri PVC na eriri, ala PVC na ihe ndị ọzọ. A na-ejikarị emulsion PVC mepụta: uwe aka PVC, akpụkpọ anụ PVC, akwụkwọ ahụaja PVC, ihe egwuregwu ụmụaka, wdg.
Teknụzụ mmepụta PVC na-abịa mgbe niile site na Europe, USA na Japan. Ikike mmepụta PVC zuru ụwa ọnụ ruru nde 60, na China ruru ọkara nke ụwa. Na China, 80% nke PVC na-emepụta site na usoro calcium carbide na 20% site na usoro ethylene, n'ihi na China na-abụ mba na-enwekarị coal na obere mmanụ.