Olyvinyl chloride, nke a na-akpọkarị PVC, bụ polymer sịntetik nke atọ a na-emepụta, na-esote polyethylene na polypropylene.PVC bụ akụkụ nke yinye vinyl, nke mejukwara EDC na VCM.Enwere ike iji akara akara resin PVC maka ngwa siri ike ma na-agbanwe agbanwe;isiike na-abụkarị onye na-azụ ahịa na-achị, mana n'akụkụ nke abụọ a na-ejikọta ọnụ.Ọtụtụ n'ime PVC siri ike na-eji nke ukwuu na ụlọ ọrụ ihe owuwu maka ọkpọkọ na ihe ndị dị ka ọkpọkọ drain-waste-vent (DWV), ọwa mmiri, ọkpọkọ mmiri, conduit (eletrik, telecommunications), na ọkpọkọ mmiri.Ọkwa PVC siri ike dịkwa na ụlọ na ahịa ụlọ maka ngwa profaịlụ dị ka ọnụ ụzọ, windo, fencing, decking, tile vinyl okomoko.A na-arụpụta obere olu nke PVC siri ike maka karama, nkwakọ ngwaahịa ndị ọzọ na-abụghị nri, na kaadị kredit.Enwere ike iji resin PVC mee ihe na ngwa ndị na-agbanwe agbanwe site na mgbakwunye nke plasticizers.N'ụdị a, a na-ejikwa ya na waya na mkpuchi eriri, akpụkpọ anụ na-eṅomi, akara ngosi, ngwaahịa inflatable, mkpuchi ụlọ, na ọtụtụ ngwa ebe ọ na-anọchi roba.Uru a bara uru, yana njiri mara dị ka ịdịte aka, enweghị ọkụ, iguzogide kemịkalụ na mmanụ, nkwụsi ike n'ibu, na ịdị mfe nhazi na ịkpụzi, na-egosi na PVC ka bụ nhọrọ asọmpi ma mara mma maka ọtụtụ ngwa n'ime ihe owuwu na akụrụngwa, ọrụ ugbo, ngwaahịa eletrik. , na ụlọ ọrụ nlekọta ahụike.N'ihi ya, PVC ga-anọgide na-adị mkpa thermoplastic n'ime ogologo oge.
Ebe ọ bụ na ụlọ ọrụ ihe owuwu na-arụ ọrụ dị mkpa na ahịa PVC, ọchịchọ maka PVC na-ejikọta ọnụ na uto GDP zuru ụwa ọnụ na mmepe akụ na ụba.Oriri PVC siri ike na-etinyekarị aka na akụ na ụba na-emepe emepe na Eshia, dị ka China China, India, Pakistan, Vietnam na Indonesia.Ndị na-anya ụgbọ ala na-eri PVC maka ebe dị elu na-agụnye ọnụ ọgụgụ buru ibu nke nwere ọnọdụ ndọrọ ndọrọ ọchịchị kwụsiri ike nke ka chọrọ nnukwu ego na akụrụngwa.Ihe ọzọ kpatara ya bụ nha na ọkwa mmepe nke ngalaba ọrụ ugbo nke obodo.India, dịka ọmụmaatụ, chọrọ usoro dị mkpa iji gbaa ala ubi ya mmiri, nwere nnukwu agụụ na-adịgide adịgide maka ọkpọkọ PVC na akwa akwa.N'ozuzu, ọnụego uto ga-adị ntakịrị na akụ na ụba mepere emepe ka ewulitelarị ụlọ na akụrụngwa ndị bụ isi.
Ihe eserese nke a na-egosi oriri PVC ụwa:
Ụlọ ọrụ vinyl bụ ngalaba tozuru okè nwere ogologo akụkọ ihe mere eme.Nkà na ụzụ, mmepụta olu, akara ukwu gburugburu ebe obibi, na ọnụ ahịa, emeela ka oge na-aga na nkwalite na nchekwa na àgwà ngwaahịa.Nkà na ụzụ ọhụrụ na-aga n'ihu na-eme ma na-elekwasị anya na-akwụ ụgwọ-ịsọmpi, ebe ọ bụ na mmepụta vinyl bụ azụmahịa zuru ụwa ọnụ n'ezie, ndị na-emepụta ihe ga-abụrịrị asọmpi ma n'ime mpaghara nke ha na n'ofe ụwa.
Ihe nrụpụta PVC na-adaberekarị na nri ethylene, ewezuga ala China, ebe nri nri acetylene na-achị.Na usoro ethylene, EDC na-emepụta site na chlorination kpọmkwem site na chlorine na ethylene.Na nzọụkwụ ọzọ, ọ gbawara iji mepụta VCM.Mmepụta nke VCM na-ebutekwa mwepụta nke ngwaahịa hydrogen chloride, nke a na-emegharịgharị ka ọ na-emepụtakwu EDC site na oxychlorination yana ethylene ọzọ.A na-emezi VCM polymerized iji mepụta PVC.Na usoro acetylene, Otú ọ dị, ọ dịghị nzọụkwụ EDC gụnyere;Kama, a na-emepụta VCM ozugbo site na acetylene.Mainland China ugbu a bụ naanị ahịa nwere nnukwu ụlọ ọrụ PVC dabere na acetylene;Otú ọ dị, n'ihi ọnụ ọgụgụ nke ụlọ ọrụ China nke ala, ụzọ acetylene ka na-edepụta akụkụ dị ịrịba ama nke ikike PVC zuru ụwa ọnụ.
Oge nzipu: Eprel-07-2022