I nehinei, ʻo ke kumu kūʻai o ka vinyl acetate he 7046 yuan no ka ton. I kēia manawa, aia ke kumukūʻai o ka mākeke vinyl acetate ma waena o 6900 yuan a me 8000 yuan no ka ton. I kēia mau lā, ʻo ke kumukūʻai o ka acetic acid, ka mea maka o ka vinyl acetate, aia ma kahi kiʻekiʻe ma muli o ka hāʻawi ʻana i nā hemahema. ʻOiai ka pōmaikaʻi mai ke kumu kūʻai, ma muli o ka nāwaliwali o ka noi ma ka mākeke, ua paʻa mau ke kumu kūʻai ma ka mākeke. Me ka paʻa o nā kumukūʻai acetic acid, ua piʻi ka piʻi ʻana o ke kumu kūʻai o ka vinyl acetate, e alakaʻi ana i ka hoʻokō ʻana i nā ʻaelike mua a me nā kauoha e hoʻokuʻu aku e nā mea hana, e hopena ana i ka emi ʻana o nā kumuwaiwai wahi mākeke. Eia kekahi, i kēia manawa ka wā kūʻai ma mua o ka Double Festival, a ua hoʻi hou ka makemake o ka mākeke, no laila ke kūpaʻa mau nei ke kumukūʻai mākeke o vinyl acetate.

Ma ke ʻano o ke kumukūʻai: Ma muli o ka nāwaliwali o ka noi ma ka mākeke acetic acid no kekahi manawa, ua haʻahaʻa nā kumukūʻai, a ua hoʻemi nā mea hana he nui i nā hana waihona. Eia nō naʻe, ma muli o ka mālama ʻole ʻia ʻana o nā mea hana ma ka pūnaewele, aia ka hapa o ka lako wahi ma ka mākeke, kahi i makemake nui ai nā mea hana e hoʻonui i nā kumukūʻai a hoʻokau i ke kumukūʻai mākeke o ka acetic acid i kahi kiʻekiʻe, e hāʻawi ana i ke kākoʻo ikaika no ke kumukūʻai. o ka vinyl acetate.

Ma ke ʻano o ka lako: Ma ka mākeke vinyl acetate, ʻo nā mea hana nui ma North China he haʻahaʻa haʻahaʻa e hana ana i nā ukana, aʻo nā mea hana nui ma Northwest China he haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa ma muli o ka piʻi ʻana o ke kumukūʻai a me ka maikaʻi ʻole o nā lako. Eia kekahi, ma muli o nā kumukūʻai nāwaliwali mua o ka vinyl acetate ma ka mākeke, ua kūʻai kekahi mau mea hana i waho vinyl acetate no ka hana ʻana i lalo. Hoʻokō nui nā mea hana nui i nā kauoha nui a me nā kauoha e hoʻokuʻu aku, no laila ua kaupalena ʻia ka lako wahi o ka mākeke, a aia kekahi mau mea maikaʻi i ka ʻaoʻao hoʻolako, kahi i hoʻonui ai i ka mākeke vinyl acetate.

Ma ke ʻano o ka noi: ʻOiai ua loaʻa mai kekahi mau nūhou maikaʻi i loko o ka ʻoihana waiwai kūʻai i kēia manawa, ʻaʻole i hoʻonui nui ʻia ka makemake o ka mākeke maoli, a ʻo ka noi ma ka mākeke e hoʻokumu ʻia ma luna o ke koi kumu. Aia ma mua o ka ʻahaʻaina ʻelua, a ke hoʻomau mālie nei ke kahawai i lalo. Ua hoʻomaikaʻi ʻia ka hoihoi no ka nīnau ʻana i ka mākeke, a ua piʻi pū ka makemake o ka mākeke.

Ma keʻano o ka loaʻa kālā: Me ka piʻi wikiwikiʻana o ke kumukūʻai kūʻai o ka acetic acid, ua hoʻonui nuiʻia ke kumukūʻai o ka vinyl acetate, e alakaʻi ana i ka exacerbation o ka loaʻa kālā. Ma ka manaʻo e ʻae ʻia ke kākoʻo kumukūʻai a aia kekahi mau mea maikaʻi no ka hoʻolako a me ke koi, ua hoʻokiʻekiʻe ka mea hana i ke kumu kūʻai o ka vinyl acetate.

Ma muli o ka piʻi wikiwiki ʻana o ke kumukūʻai o ka acetic acid i ka mākeke, aia kekahi pae o ke kūʻē ʻana i ka mākeke o lalo i ka waika acetic kumu kūʻai kiʻekiʻe, e alakaʻi ana i ka emi ʻana o ke kūʻai ʻana a me ka nānā nui ʻana i nā koi kumu. Eia kekahi, paʻa mau kekahi mau mea kālepa i kekahi mau mea kūʻai aku no ke kūʻai aku, a ke hoʻomau nei nā mea hana i ka hana ma nā pae kiʻekiʻe, i manaʻo ʻia e hoʻonui i ka lako wahi ma ka mākeke. No laila, ua manaʻo ʻia e kūpaʻa ke kumukūʻai o ka acetic acid i nā pae kiʻekiʻe, a aia kekahi mau kākoʻo no ke kumukūʻai o ka vinyl acetate. ʻAʻohe nūhou e pili ana i ka mālama ʻana i nā hāmeʻa ma ka mākeke vinyl acetate. ʻO nā mea hana o nā mea hana nui ma ke komohana ʻākau ke hoʻomau nei i ka hana haʻahaʻa haʻahaʻa, ʻoiai nā mea hana o nā mea hana nui ma Kina ʻĀkau e hoʻomaka hou i ka hana. I kēlā manawa, hiki ke hoʻonui i ka lako wahi ma ka mākeke. Eia nō naʻe, hāʻawi ʻia i ka liʻiliʻi liʻiliʻi o nā mea hana a me ka ʻoiaʻiʻo e hoʻokō nui nā mea hana i nā ʻaelike a me nā kauoha e hoʻokuʻu aku ai, paʻa mau ka lako wahi āpau ma ka mākeke. Ma ke ʻano o ka noi, i ka wā o ka Double Festival, e hoʻopilikia ʻia ka lawe ʻana i nā waiwai pōʻino i kekahi ʻano, a e hoʻomaka nā pahu o lalo e hoʻopaʻa i kahi kokoke i ka Double Festival, e hopena i ka piʻi nui o ka noi mākeke. I loko o ka pōʻaiapili o nā kumu maikaʻi liʻiliʻi ma nā ʻaoʻao ʻelua o ka hoʻolako ʻana a me ka noi, hiki ke piʻi ke kumu kūʻai o ka vinyl acetate i kekahi ʻano, me ka piʻi ʻana o 100 a 200 yuan no ka ton, a e mau ke kumukūʻai ma waena o 7100 yuan a 8100 yuan no ke tona.