Achọpụtala na ọnụ ahịa ngwaahịa kemịkalụ n'ahịa na-aga n'ihu na-agbadata, na-eduga na enweghị uru bara uru n'ọtụtụ njikọ nke yinye ụlọ ọrụ kemịkalụ.Ọnụ ahịa mmanụ dị elu abawanyela ọnụ ahịa ego na yinye ụlọ ọrụ kemịkalụ, na mmepụta akụ na ụba nke ọtụtụ ngwaahịa kemịkal adịghị mma.Otú ọ dị, ọnụ ahịa ahịa nke vinyl acetate enwewokwa ọdịda na-aga n'ihu, ma uru mmepụta anọgidewo na-adị elu na mmepụta akụ na ụba dị mma.Ya mere, gịnị nwere ikevinyl acetateahịa na-ejigide ọganihu dị elu?

N'ihe dị ka etiti ruo ngwụsị June 2023, ọnụahịa ahịa nke vinyl acetate bụ 6400 yuan/ton.Dabere na ọkwa ọnụahịa nke akụrụngwa maka usoro ethylene na usoro calcium carbide, oke uru nke usoro ethylene vinyl acetate bụ ihe dịka 14%, ebe uru nke calcium carbide usoro vinyl acetate nọ na steeti mfu.N'agbanyeghị na ọnụ ahịa vinyl acetate na-aga n'ihu na-agbada ruo otu afọ, oke uru nke ethylene dabeere vinyl acetate na-anọgide na-adị elu, na-eru ihe dị ka 47% n'ọnọdụ ụfọdụ, na-aghọ ngwaahịa ahịa kachasị elu n'etiti kemịkalụ buru ibu.N'ụzọ dị iche, usoro calcium carbide nke vinyl acetate anọwo na-efunahụ ihe ka ukwuu n'ime afọ abụọ gara aga.

Site n'ịtụle mgbanwe n'akụkụ uru nke ethylene dabeere vinyl acetate na calcium carbide dabeere vinyl acetate, a na-achọpụta na ethylene dabeere vinyl acetate na-erite uru mgbe niile n'ime afọ ole na ole gara aga, na oke uru dị elu ruru 50% ma ọ bụ karịa na nkezi. oke uru nke ihe ruru 15%.Nke a na-egosi na vinyl acetate ethylene na-erite uru n'ime afọ abụọ gara aga, na-enwe ọganihu zuru oke na oke uru kwụsiri ike.N'ime afọ abụọ gara aga, ewezuga uru dị ukwuu site na Machị 2022 ruo Julaị 2022, usoro calcium carbide nke vinyl acetate anọwo na ọnọdụ mfu maka oge ndị ọzọ niile.Dị ka nke June 2023, oke uru nke calcium carbide usoro vinyl acetate dị ihe dị ka mfu 20%, na nkezi uru nke calcium carbide usoro vinyl acetate n'ime afọ abụọ gara aga bụ mfu 0.2%.Site na nke a, enwere ike ịhụ na ọganihu nke usoro calcium carbide maka vinyl acetate adịghị mma, na ọnọdụ zuru ezu na-egosi mfu.

Site na nyocha ọzọ, isi ihe kpatara nnukwu uru nke mmepụta vinyl acetate ethylene dabeere na ya bụ ndị a: nke mbụ, ọnụ ọgụgụ nke ọnụ ahịa akụrụngwa na usoro mmepụta dị iche iche dịgasị iche iche.Na usoro ethylene nke vinyl acetate, otu oriri nke ethylene bụ 0.35, na otu oriri nke glacial acetic acid bụ 0.72.Dabere na nkezi ọnụahịa na June 2023, ethylene na-akwụ ihe dịka 37% nke ọnụ ahịa vinyl acetate ethylene, ebe glacial acetic acid ruru 45%.Ya mere, maka mmetụta nke ọnụ ahịa, mgbanwe ọnụahịa nke glacial acetic acid nwere mmetụta kasị ukwuu na mgbanwe ego nke ethylene dabeere na vinyl acetate, na-esote ethylene.N'ihe gbasara mmetụta na ọnụ ahịa calcium carbide vinyl acetate, ọnụ ahịa calcium carbide maka usoro calcium carbide vinyl acetate na-akpata ihe dịka 47%, na ọnụ ahịa glacial acetic acid maka usoro calcium carbide vinyl acetate na-akpata ihe dịka 35% .Ya mere, na usoro calcium carbide nke vinyl acetate, mgbanwe ọnụahịa nke calcium carbide nwere mmetụta dị ukwuu na ọnụ ahịa.Nke a dị nnọọ iche na mmetụta ọnụ ahịa nke usoro ethylene.

Nke abuo, mbelata nke akụrụngwa ethylene na glacial acetic acid dị ịrịba ama, na-eduga na mbelata nke ọnụ ahịa.N'afọ gara aga, ọnụahịa CFR Northeast Asia ethylene agbadala site na 33%, ọnụ ahịa acetic acid glacial agbadala site na 32%.Otú ọ dị, ọnụ ahịa nke vinyl acetate nke usoro calcium carbide na-emepụta na-emekarị ka ọ bụrụ ọnụ ahịa calcium carbide.N'afọ gara aga, ọnụ ahịa calcium carbide agbadala site na mkpokọta 25%.Ya mere, site n'echiche nke usoro mmepụta abụọ dị iche iche, ọnụ ahịa akụrụngwa nke vinyl acetate nke usoro ethylene na-emepụta ebelatala nke ukwuu, na mbelata ọnụ ahịa dị ukwuu karịa nke usoro calcium carbide.

Ọ bụ ezie na ọnụ ahịa vinyl acetate agbadala, ọdịda ya adịghị mkpa dị ka kemịkalụ ndị ọzọ.Dị ka mgbako si kwuo, n'ime afọ gara aga, ọnụahịa nke vinyl acetate agbadala site na 59%, nke nwere ike iyi ihe dị ịrịba ama, ma kemịkalụ ndị ọzọ enwewokwa mbelata nke ukwuu.Ọnọdụ adịghị ike ugbu a nke ahịa kemịkalụ China siri ike ịgbanwe n'ụzọ bụ isi.A na-atụ anya na n'ọdịnihu, enwere ohere dị elu na uru mmepụta nke ahịa ndị ahịa njedebe, karịsịa ngwaahịa ndị dị ka mmanya polyvinyl na EVA, ga-anọgide na-echekwa site na ịpịkọta uru nke vinyl acetate.

Enwere aha ahaghị oke uru na yinye ụlọ ọrụ kemịkalụ dị ugbu a, ọtụtụ ngwaahịa nọkwa n'ọnọdụ ọnụ ahịa dị oke ọnụ mana ahịa ndị ahịa adịghị ike, na-ebute akụ na ụba nrụpụta adịghị mma.Otú ọ dị, n'agbanyeghị ihe isi ike na-eche ihu, ahịa vinyl acetate nọgidere na-enweta uru dị elu, karịsịa n'ihi ọnụ ahịa dị iche iche nke ihe eji eme ihe na usoro mmepụta ya na mbelata ọnụ ahịa nke mbelata nke ọnụ ahịa akụrụngwa kpatara.Agbanyeghị, ọnọdụ adịghị ike nke ahịa kemịkalụ China n'ọdịnihu siri ike ịgbanwe n'ụzọ doro anya.A na-atụ anya na n'ọdịnihu, enwere ohere dị elu na uru mmepụta nke ahịa ndị ahịa njedebe, karịsịa ngwaahịa ndị dị ka mmanya polyvinyl na EVA, ga-anọgide na-echekwa site na ịpịkọta uru nke vinyl acetate.