Vinyl acetate (VA), nke a makwaara dị ka Vinyl acetate ma ọ bụ vinyl acetate, bụ mmiri na-enweghị agba na mmiri mmiri na ụlọ okpomọkụ na nrụgide. Dị ka otu n'ime ụwa ọrụ eji eme ihe, ohere nwere ike iwepụta polyvinyl acetate resin (PVA), polyvinyryl mmanya (PAN) na ndị ọzọ na-enwe polymerization ma ọ bụ coplompilization ndị ọzọ. A na-ejikarị usoro ndị a na-arụ ọrụ n'ọtụtụ ebe a na-arụ ihe owuwu ahụ, textiles, igwe, ọgwụ na ala mkpuchi.

Nyocha nke vinyl acetate igwe ụlọ ọrụ

A na-ekewa nke Vinyl acetate ekwentị bụ nke mejupụtara usoro dị ka usoro abụọ: otu bụ acetic, acetic na hydrogen, ma ọ bụrụ na ọ ga-eme ka ọ bụrụ ọnụ ahịa mmanụ. Otu bụ nkwadebe nke ihe acetylene site na gas gas ma ọ bụ calcium carbium, mgbe ahụ na acetic acid nke vinyl acetate, gas dị elu karịa ka calcium. Mgbada nke mmanya na-aba n'anya polyvinyll acex (polyvinyl acetate emulsion), Voy, Eva na PAN nke Polyvinyl mmanya bụ isi achọ.

1, upstream ihe nke vinyl acetate

Acetic acid bụ ihe dị mkpa anụ ụlọ nke Vee, na ihe oriri ya nwere compation siri ike na Ve. Data gosi na ebe ọ bụ na afọ 2010, oriri nke China nke acetic acid dị ka ihe na-eto eto na-agbanwe, ọnụego ndị ọzọ na-agbadata, ọnụego ha na-amụba, ọnụego actilization acid dị ka ihe niile ga-aga n'ihu.

N'ihe banyere ngwa ndadata, nke 20.6% nke acetic acid na-eme iji mepụta PTA (nke dị ọcha na-eji emepụta vinyl acetate acid, na 18,1% nke acetic actate na-arụpụta ethl. N'afọ ndị na-adịbeghị anya, usoro ụlọ ọrụ nke acetic acid dị ka kwụ ọtọ. Vinyl acetate na-eji dị ka otu n'ime ngwa ngwa dị mkpa nke acetic acid.

2. Ngwunye nke vinyl

A na-eji ọgwụ nje vinyl na-emepụta mmanya na-aba n'anya na Eva, nwere ike ịmịpụta polymene (PVA), atylene), wdg. Dika ihe eji eme ihe, akwukwo ma obu akwukwo ma obu ulo, ihe eji eme ya, ihe nkiri akpukpo aru, udiri ahihia, ulo oru, ulo oru, ihe owuwu na ugbo ala. Data gosi na 65% nke vinyl acetate na-eme ka ọ bụrụ mmanya na-egbu egbu na 12% nke vinyl acetate na-emepụta polyvinyl pro polyvinyl.

Nyocha nke ọnọdụ dị ugbu a nke Venyl Acketate

1, vinyl acetate ike mmepụta na mbido ọnụego

Ihe karịrị 60% nke Vinyl Acetate Acetate na-arụ ọrụ na mpaghara Asia, ebe Vinyl Vinyl acetate ikike imepụta ihe dị ka 40% nke ikike nrụpụta ụwa nke ụwa. E jiri ya tụnyere usoro acetylene, usoro ethylene bụ akụ na ụba na gburugburu ebe obibi, yana ịdị ọcha ngwaahịa dị elu. Ebe ọ bụ na ike ike nke ụlọ ọrụ kemịkal nke China na-egosi na kol, mmepụta vinyl acetate bụ nke sitere na usoro acetylene, yana ngwaahịa ndị ahụ dị ala. Vinyl Vinyl acetate ike na-agbasawanye nke ukwuu n'oge 2013-2016, ebe ị na-agbanwe agbanwe n'oge 2016-2018. Industrylọ ọrụ Vinyl Vinyl na-enye ọnọdụ ihe mgbochi ihe mgbochi, yana oke ike na calcium carbise carbium na nkeji na akwa ụlọ ọrụ dị elu. 2020, vinyl vinyl acetate ike mmepụta nke nde mmadụ 2.65 / afọ, afọ na-afọ.

2, vinyl acetate oriri

Dị ka oriri na-emetụta, ọrịa vinyl China dị ka ihe na-eme ka ọ bụrụ ihe dị elu na China Achịchaala ọsọ ọsọ, oriri esitewo afọ na-ebili n'afọ, dịka 2020 dị ala erutela nde 1.95, mmụba nke 4.8% ma e jiri ya tụnyere 2012.

3, nkezi nke ahịa vinyl acetate

Site n'echiche nke vinyl acetate ahịa ahịa, ọnụ ọgụgụ ndị nwere oke, ọnụahịa ụlọ ọrụ ka nọgidere dịtụ ọnụ na 2009-2020. N'afọ 2014 nke ikuku na-enye mkpokọta, ọnụ ahịa ụlọ ọrụ abaala ụba nke ukwuu, ụlọ ọrụ ụlọ na-agbasawanye mmepụta, na-ebute oke mbibi. Ahịa acetate mepụtara na 2015 na 2016, na usoro nchebe nchebe gburugburu ebe obibi metụtara nke ọma. 2019, n'ihi ọkọlọtọ zuru oke na ahịa acecream na-achọ ihe dị na ebe a na-eme ihe karịrị 122 ụlọ ọrụ mmeghe ma ọ bụ igbu oge.

Isi nke ụlọ ọrụ ethl acette

Ethl acetate Chinese Inform na osisi anọ Sinopec nwere ikike nke nde 1.22, na-ebute 43% nke otu / afọ, na-akwụ ụgwọ maka 26.5%. Ngalaba nke mba ọzọ na-etinye ego nanjing Celease 350,000 tọn / Afọ, na nkeonwe nke Mongolia Shuangxin na Ningxia Tons Ngụkọta 560,000 tọn / Afọ, na-ebute 20%. Ndị na-emepụta ụlọ ọrụ na-emepụta dị ugbu a na Northwest dị ugbu a na Northwest, na Southwest, na Northwest Akaụntụ maka 41.8% na akaụntụ 6.4% na ndịda ọdịda anyanwụ maka 21.2%.

Nyochaa nke Vinyl Acetate Outlook

1, Eva gbadara

Enwere ike iji Eva gbadata nke VnyLl acetate dị ka PV Cell Coals. Dabere na Network New World, Eva site na Ethylene na Vinyl Acetate (VA) Ndị na-eme nchọpụta, wdg. A ga-etinye ya na a ga-etinye mkpụrụ osisi 800,000 ka ọ bụrụ ihe na-emepụta na 2021.

2, Vinyl acetatity acetate, ngwaahịa dị elu dịkwa mkpa ka ebubata ya

China nwere njupụta nke vinyl acetate, ngwaahịa dị elu ka ga-adị mkpa ka ebubata ya. Ugbu a, ntinye nke vinyl acetate na China karịrị ihe ahụ, yana ọghọm onwe ya na mmepụta oke ịdabere na ihe oriri. Ebe nkwalite vinyl acetate Protep na 2014, Vinyl Vinyl acetate ebubatala nke ukwuu, ejikwala ngwaahịa na-ebubata site na ngwaahịa ụlọ. Na mgbakwunye, mbupụ China bụ ngwaahịa dị ala, ebe ebubata ngwaahịa bụ ngwaahịa kachasị elu. Ka ọ dị ugbu a, China ka kwesịrị ịdabere na ngwaahịa na-ebubata ngwa ahịa, yana ụlọ ọrụ Vinyl ka nwere ebe maka mmepe na ngwaahịa ngwaahịa dị elu.