Litheko tsa oli tsa machaba lia oa 'me li theoha hoo e ka bang 7%

Litheko tsa oli tsa machaba li theohile hoo e ka bang 7% mafelong a beke 'me li ile tsa tsoela pele ho theoha ka Mantaha ka lebaka la matšoenyeho a mmaraka mabapi le moruo o fokolang o theolang tlhoko ea oli le keketseho e kholo ea palo ea lisebelisoa tsa oli tse sebetsang Amerika Leboea.

Qetellong ea letsatsi, bokamoso ba oli e tala bakeng sa phano ea Phupu ho New York Mercantile Exchange e theohile ka $ 8.03, kapa liperesente tse 6.83, ho koala ka $ 109.56 ka moqomo, ha bokamoso ba oli ea Brent bakeng sa phano ea Phato London e theohile ka $ 6.69, kapa liperesente tse 5.58, ho koala ka $ 113.12 ka barrel.

Tlhoko e fokolang! Litheko tsa mefuta e fapaneng ea lik'hemik'hale lia theoha!

Indasteri ea lik'hemik'hale ha joale e na le ho theoha ka kakaretso 'marakeng le ho theoha ho hoholo ha tlhokahalo e tlase. Lik'hamphani tse ngata li khethile mokhoa o tlaase le o bonolo oa ho fokotsa litefiso tsa bona tsa ho qala ho sebetsana le boemo ba hona joale ba 'maraka o tlaase. Ntlheng ea leqhoa leoatleng le tebileng, 'me ke lik'hemik'hale life tse tlas'a khatello?

Bisphenol A: tlhokahalo ea kakaretso ea ketane ea indasteri e fokola, ho ntse ho e-na le sebaka sa ho theohela tlaase
Halofo ea pele ea selemo sena, ka karolelano theko ea epoxy resin hovered ka holimo le ka tlaase ho 25,000 yuan / ton, eo hape e tlisitseng tšusumetso e itseng tlhokahalong ea bisphenol A. Leano le letle la BPA le ketane ea indasteri ea epoxy resin le 'nile la chekoa ke' maraka, 'me tlhoko ea kakaretso ea ketane ea indasteri ea BPA e fokola hona joale. Downstream epoxy resin, likhohlano tsa PC li hlahella ka ho khetheha, phepelo e batla e lekane mme tlhokahalo e thata ho e latela, ho lebelletsoe hore Bisphenol A e ntse e na le sebaka se tlase.

Polyether: matla a ho reka a botsoa a tlase a fokola, ntoa ea theko ea indasteri e thata ho ba le ea hlolang
Qetello ea matsatsi a phomolo a Dragon Boat Festival, tlhokeho ea polyether e ile ea bula mocha o theohelang, litšebelisano tsa odara lia haella, khatello ea litaelo tse ncha tsa ho latela butle-butle, thomello ea lipuisano tsa polyether e theoha, ka litšenyehelo le tlhoko ea bofokoli bo habeli, cyclopropane bula mokhoa oa ho theola, polyether e latela ka mafolofolo ho theoha ha cyclopropane, ho theoha ha theko ea 'maraka ho ntse ho fokola. ho mathela tlase. Ho phaella moo, linatla tse tharo tsa ntoa ea theko ea polyether e matla, ho fokotseha ha tlhokahalo ea malapeng, theko ea linaheng tse ling e ntse e le tlaase ho feta litheko tsa malapeng, hammoho le mafu a seoa a tsoang linaheng tse ling a ntse a tsoela pele ho ntlafala, tlhokahalo e fokotsehile haholo, lihlahisoa tsa polyether bakeng sa nako ha li na tšehetso e ntle.

Epoxy resin: khoebo ea malapeng le ea linaheng tse ling e sitisoa ka nako e le 'ngoe,' me theko e tloaelehileng e tlaase.
Potoloho ena ea litheko tsa epoxy resin, ebang ke mohala oa pele, oa bobeli kapa oa boraro, tlhahiso e tiileng ho 21,000 yuan / ton, tlhahiso ea mokelikeli e ka bang 23,500 yuan / ton, ha e bapisoa le selemong se fetileng, e fokotsehile ka li-yuan tse ka bang 5,000 / ton, e kholo ea pheletso e tlase. Leha ho le joalo, ho ntse ho le thata hore tlhokahalo e ka tlaase ho moo e fihlellehe, 'me moruo o sekametseng kantle ho naha o tobane le ho putlama ha moruo oa lefats'e, 'me thepa e tsoang kantle e ea sitisoa. Tšebeliso ha joale e ntse e theoha, 'me ho khethoa ha epoxy resin ho boetse ho ameha.
Ethylene oxide: molapo o moholo ka ho fetesisa o kene nakong ea off-sehla, mme tlhoko e ncha ha ea lekana ho e latela.
Monomere o moholo ka ho fetisisa oa ethylene oxide polycarboxylate o fokotsang metsi o kene nakong ea nako ea selemo, mme tlhoko e tobane le 'maraka o fokolang nakong ea off-sehla. Ho kena ka June, nako ea lipula e ile ea eketseha haholo, tšebeliso ea kakaretso e tla bontša ho fokotseha ho hoholo ho lebeletsoeng. Ho phaella moo, setsi sa ho qetela se tlaase se ntse se tobana le khatello ea ho lefa, tlhokahalo e potlakileng ha ea lekana ho latela, 'me papali ea setoko e totobetse. Nakong e tlang, thepa e tlaase e ntse e le molumo o ka sehloohong, polycarboxylic acid ho fokotsa moemeli monomer e tla bontša ts'ebetso e tsitsitseng ho ea ho e fokolang, ha tšebeliso ea ethylene oxide e tla bontša ho hloka mokhoa.
Glacial acetic acid: ho theosa le noka ka lebaka la tahlehelo ho fokotsa ts'ebeliso e mpe ea mokhoa oa boipheliso ho potlakisa ho qala ha sehla se seng.
Maqhubu a mabeli a litheko tse tlase halofo ea pele ea selemo a ipapisitse le ho notlela boemong ba 3400-3500 yuan / ton, ntlha e ka sehloohong e mabapi le tlhokahalo e tlase hona joale. Moroalo oa sehlahisoa o tlase o tlase, boholo ba ona ka lebaka la phokotso ea tahlehelo le tlhokomelo ea ho paka makoloi, e leng se bakang boemo bo tlase ba sekhahla sa ho qala. Le ea setso off-sehla ka boeona e feela batla fokotseha, hammoho le phello ea halofo ea pele ea seoa libakeng tse ngata ho fokotsa tshebediso ya mokhoa oa boipheliso oa batho, indasteri ketane tlas'a karolo ea conduction ho fokotsa tlhokahalo ea thepa e tala, downstream theko maikemisetso bakeng sa letheba e ea fokola.
Joala ba Butyl: tlhokahalo e tlase ea butyl acrylate e bataletse, litheko li theohile 500 yuan / ton
Ho fihlela ka Phuptjane, lits'oants'o tsa 'maraka oa n-butanol li ntse li tsoela pele, tlhokahalo e tlase e fokola hanyane, ts'ebetso ea masimong ha e phahame, boemo ba' maraka bo ntse bo theoha, ha bo bapisoa le litheko tsa 'maraka tse qalang qalong ea beke li ile tsa theoha 400-500 yuan / ton. Mmaraka oa Butyl acrylate, o moholo ka ho fetesisa oa n-butanol, ts'ebetso e fokolang, indasteri e felletseng ea theipi ea theipi le li-acrylate emulsions le tlhokahalo e 'ngoe e bataletse, butle-butle e kena tlhokeho ea nako e seng ea nako, barekisi ba marang-rang ba sebetsa hampe, setsi sa mmaraka sa matla a khoheli se fokotsehile hanyane.
Titanium dioxide: sekhahla sa ho qala sa 80% feela, mefokolo e tlase ho thata ho e fetola
Mmaraka oa lehae oa titanium dioxide o fokotsehile, bahlahisi ba fumana litaelo tse tlase ho feta kamoo ho neng ho lebelletsoe, lithibelo tsa lipalangoang tsa mmaraka ka bongata bo boholo, likhoebo tsa hajoale tsa titanium dioxide ka kakaretso li buloa ke 82.1%, bareki ba tlase ba ntse ba le mothating oa tšebeliso ea lihlahisoa, limela tse kholo tsa sporadic le bahlahisi ba bang ba banyenyane le ba mahareng ho nka bohato ba ho fokotsa mojaro, 'maraka oa hajoale oa lehae joalo ka titanium le mebaraka e meng e lebelletsoeng. ho thata ho fetoha, pono ea nako e khutšoanyane ka lebaka la sebaka sa ho lokolla matla a tsoang linaheng tse ling sa Supplier se fokotsehile haholo, kahoo thekiso ea malapeng le khoebo ea linaheng tse ling e tla ba mpe.