Gịnị bụ PVC?

PVCọ dị mkpụmkpụ maka polyvinyl chloride, ọdịdị ya dịkwa ka ntụ ntụ ọcha. PVC bụ otu n'ime plastik ise zuru ụwa ọnụ n'ụwa. A na-ejikarị ya eme ihe n'ụwa niile, ọkachasị n'ọhịa owuwu. E nwere ọtụtụ ụdị PVC. Dịka isi mmalite ihe eji arụ ọrụ si dị, enwere ike kewaa ya n'imecalcium carbideusoro nausoro ethyleneIhe ndị e ji eme ka calcium carbide bụrụ ihe sitere na kol na nnu. Ihe ndị e ji eme ka ethylene rụọ ọrụ na-esikarị na mmanụ ala. Dịka usoro mmepụta dị iche iche si dị, enwere ike kewaa ya n'ime usoro nkwụsịtụ na usoro emulsion. PVC eji eme ihe n'ọhịa owuwu bụ usoro nkwụsịtụ, PVC eji eme ihe n'ọhịa akpụkpọ anụ bụkwa usoro emulsion. A na-ejikarị PVC nkwụsịtụ emepụta: PVCpaịpụ, PVCprofaịlụ, Ihe nkiri PVC, akpụkpọ ụkwụ PVC, waya na eriri PVC, ala PVC na ihe ndị ọzọ. A na-ejikarị PVC emulsion emepụta ihe: uwe aka PVC, akpụkpọ anụ PVC e ji aka rụọ, akwụkwọ ahụaja PVC, ihe egwuregwu PVC, wdg.
Teknụzụ mmepụta PVC na-esi na Yuropu, USA na Japan mgbe niile. Ike mmepụta PVC zuru ụwa ọnụ ruru tọn nde iri isii, Chaịna bụkwa ọkara nke ụwa. Na Chaịna, 80% nke PVC na-esi na usoro calcium carbide emepụta, 20% na-esikwa na usoro ethylene emepụta, n'ihi na Chaịna abụrụla mba nwere ọtụtụ kol na obere mmanụ.