Litaba
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U ka tseba joang hore polasetiki ke polypropylene?
E 'ngoe ea litsela tse bonolo tsa ho etsa tlhahlobo ea lelakabe ke ka ho seha sampole ho tsoa polasetiking ebe u e hotetsa ka k'haboteng ea mosi. 'Mala oa lelakabe, monko le litšoaneleho tsa ho chesa li ka fana ka pontšo ea mofuta oa polasetiki: 1. Polyethylene (PE) - Ho rotha, ho nkha joaloka candlewax; 2.Polypropylene (PP) - Ho rotha, ho nkha haholo ka oli ea enjene e litšila le ka tlaase. ea candlewax; 3. Polymethylmethacrylate (PMMA, “Perspex”) – Lipuqa, crackles, monko o monate; 4. Polyamide kapa “nylon” (PA) – Sooty flame, smells of marigolds; malakabe a sooty, monko oa marigolds; 6. Polyethylene foam (PE) - Ho rotha, monko oa lesela -
Mars M Beans e hlahisa liphutheloana tsa pampiri tsa PLA tse senyehang ka tlhaho Chaena.
Ka 2022, Mars e ile ea tsebisa chokolete ea pele ea M&M e kentsoeng pampiring e kopantsoeng e senyehang ea China. E entsoe ka thepa e senyehang e kang pampiri le PLA, e nkelang sebaka sa liphutheloana tsa polasetiki tse bonolo nakong e fetileng. Sephutheloana se fetile GB / T Mokhoa oa boikemisetso oa 19277.1 o netefalitse hore tlas'a maemo a manyolo a indasteri, e ka senya ho feta 90% ka likhoeli tsa 6, 'me e tla fetoha metsi a se nang chefo ea biologically, carbon dioxide le lihlahisoa tse ling ka mor'a ho senyeha. . -
Lihlahisoa tsa China tsa PVC li lula li le holimo halofo ea pele ea selemo.
Ho ea ka lipalo-palo tsa morao-rao tsa meetlo, ka June 2022, palo ea naha ea heso ea ho kenya PVC phofo e hloekileng e ne e le lithane tse 29,900, keketseho ea 35.47% ho tloha khoeling e fetileng le keketseho ea selemo le selemo ea 23.21%; ka Phuptjane 2022, palo ea naha ea heso ea PVC e tsoang kantle ho naha e ne e le lithane tse 223,500, Phokotso ea khoeli le khoeli e ne e le 16%, mme keketseho ea selemo le selemo e ne e le 72.50%. Bophahamo ba thepa e tsoang kantle bo ile ba tsoela pele ho boloka boemo bo holimo, e leng ho bebofatsang phepelo e batlang e le ngata 'marakeng oa lehae ho isa boholeng bo itseng. -
Polypropylene (PP) ke eng?
Polypropylene (PP) ke thermoplastic e thata, e thata ebile e le kristale. E entsoe ka propene (kapa propylene) monomer. Resin ena ea mohala oa hydrocarbon ke polima e bobebe ho fetisisa har'a lipolasetiki tsohle tsa thepa. PP e tla e le homopolymer kapa e le copolymer mme e ka matlafatsoa haholo ka li-additives. E fumana kopo ka har'a liphutheloana, likoloi, thepa e ntle ea bareki, ea bongaka, ea lifilimi, joalo-joalo PP e fetohile thepa ea khetho, haholo-holo ha u batla polymer e nang le matla a phahameng (mohlala, vs Polyamide) lits'ebetsong tsa boenjiniere kapa u batla feela molemo oa litšenyehelo ka libotlolong tsa ho bopa (vs. PET). -
Polyethylene (PE) ke eng?
Polyethylene (PE) , e tsejoang hape e le polythene kapa polyethene, ke e 'ngoe ea lipolasetiki tse sebelisoang haholo lefatšeng. Li-polyethylene hangata li na le sebopeho sa mola 'me li tsejoa e le li-polymers tsa tlatsetso. Tšebeliso ea mantlha ea li-polymer tsena tsa maiketsetso ke ho paka. Hangata polyethelyne e sebelisoa ho etsa mekotla ea polasetiki, libotlolo, lifilimi tsa polasetiki, lijana le li-geomembrane. Hoa hlokomeleha hore lithane tse fetang limilione tse 100 tsa polyethene li hlahisoa selemo le selemo bakeng sa merero ea khoebo le indasteri. -
Tlhahlobo ea ts'ebetso ea 'maraka oa kantle oa naha oa PVC halofo ea pele ea 2022.
Karolong ea pele ea 2022, 'maraka oa kantle ho naha oa PVC o ile oa eketseha selemo le selemo. Karolong ea pele, e anngoeng ke ho putlama ha moruo oa lefatše le seoa sena, lik'hamphani tse ngata tsa kantle ho naha li bontšitse hore tlhoko ea li-disk tsa kantle e fokotsehile. Leha ho le joalo, ho tloha qalong ea Mots'eanong, ka ntlafatso ea boemo ba seoa le letoto la mehato e hlahisitsoeng ke mmuso oa China ho khothaletsa ntlafatso ea moruo, sekhahla sa ts'ebetso ea likhoebo tsa lapeng tsa tlhahiso ea PVC se ntse se le holimo, 'maraka oa kantle ho naha oa PVC o futhumetse. , mme tlhoko ea li-disk tsa kantle e eketsehile. Palo e bonts'a mokhoa o itseng oa kholo, mme ts'ebetso ea kakaretso ea 'maraka e ntlafetse ha e bapisoa le nako e fetileng. -
PVC e sebelisetsoa eng?
Economical, versatile polyvinyl chloride (PVC, kapa vinyl) e sebelisoa mefuteng e fapaneng ea ts'ebeliso ea moaho le kaho, tlhokomelo ea bophelo bo botle, lisebelisoa tsa elektroniki, likoloi le likarolo tse ling, lihlahisoa ho tloha ho liphaephe le siding, mekotla ea mali le li-tubing, ho isa terata le mehala. insulation cable, windshield tsamaiso likarolo le tse ling. . -
Seboka sa Hoseng sa Chemdo ka Phupu 26th.
Hoseng ha la 26 Phupu, Chemdo o ile a tšoara seboka se kopaneng. Qalong, mookameli-kakaretso o ile a fana ka maikutlo a hae mabapi le boemo ba hona joale ba moruo: moruo oa lefatše o theohile, indasteri eohle ea khoebo ea kantle ho naha e tepeletse maikutlo, tlhokahalo ea fokotseha, le lebelo la thepa ea leoatleng lea theoha. Le ho hopotsa basebetsi hore qetellong ea July, ho na le litaba tsa botho tse lokelang ho sebetsanoa, tse ka lokisetsoang kapele kamoo ho ka khonehang. Mme o ile a etsa qeto ea sehlooho sa video e ncha ea media ea beke ena: The Great Depression khoebong ea kantle ho naha. Eaba o mema basebetsi-'moho le eena ba 'maloa ho arolelana litaba tsa morao-rao, 'me qetellong a khothalletsa mafapha a lichelete le litokomane ho boloka litokomane hantle. . -
Morero oa ethylene oa lithane tse milione oa Hainan Refinery le katoloso ea ho hloekisoa o haufi le ho fetisoa.
Morero oa Hainan oa Ho Hloekisa le oa Lik'hemik'hale oa Ethylene le Morero oa Kaho e Ncha le Katoloso ea ho Hloekisa li fumaneha Yangpu Economic Development Zone, ka matsete a kakaretso a fetang li-yuan tse limilione tse likete tse 28. Ho fihlela joale, tsoelopele ea kaho ka kakaretso e fihlile ho 98%. Ka mor'a hore morero o phethoe le ho kenngoa tlhahisong, ho lebeletsoe ho khanna li-yuan tse fetang limilione tse likete tse 100 tsa liindasteri tse tlaase. Olefin Feedstock Diversification le Seboka se Phahameng se Tlase se tla tšoareloa Sanya ka July 27-28. Tlas'a boemo bo bocha, nts'etsopele ea merero e meholo e kang PDH, le ho phatloha ha ethane, mokhoa oa ka moso oa theknoloji e ncha e kang oli e tala e tobileng ho olefin, le moloko o mocha oa mashala / methanol ho olefin. . -
MIT: Li-microparticles tsa polylactic-glycolic acid copolymer li etsa ente e "intlafatsang".
Bo-rasaense ba Setsi sa Theknoloji sa Massachusetts (MIT) ba tlaleha koranteng ea morao-rao ea Science Advances hore ba ntse ba etsa ente e matlafatsang ea lethal dose le le leng. Ka mor'a hore ente e kenngoe 'meleng oa motho, e ka lokolloa ka makhetlo a mangata ntle le tlhoko ea "booster shot". Ente e ncha e lebelletsoe ho sebelisoa khahlano le mafu a ho tloha ho maselese ho isa ho Covid-19. Ho tlalehoa hore ente ena e ncha e entsoe ka likaroloana tsa poly(lactic-co-glycolic acid) (PLGA). PLGA ke motsoako oa polymer o sebetsang o senyehang, o se nang chefo ebile o na le biocompatibility e ntle. E amohetsoe hore e sebelisoe ho li-implants, sutures, lisebelisoa tsa ho lokisa, joalo-joalo -
Khamphani ea Yuneng Chemical: Tlhahiso ea pele ea indasteri ea polyethylene e fafatsoang!
Haufinyane tjena, karolo ea LLDPE ea Setsi sa Polyolefin sa Yuneng Chemical Company e atlehile ho hlahisa DFDA-7042S, sehlahisoa sa polyethylene se fafatsang. Hoa utloisisoa hore sehlahisoa sa polyethylene se sprayable ke sehlahisoa se nkiloeng ho nts'etsopele e potlakileng ea thekenoloji ea ho sebetsa ka tlaase. Thepa e khethehileng ea polyethylene e nang le ts'ebetso ea ho fafatsa holim'a metsi e rarolla bothata ba ts'ebetso e mpe ea mebala ea polyethylene mme e na le gloss e phahameng. Sehlahisoa se ka sebelisoa masimong a mokhabiso le ts'ireletso, a loketse lihlahisoa tsa bana, ka hare ho koloi, lisebelisoa tsa ho paka, hammoho le litanka tse kholo tsa polokelo ea indasteri le temo, libapalisoa, litebello tsa litsela, joalo-joalo, mme tebello ea 'maraka e kholo haholo. . -
Petronas lithane tse limilione tse 1.65 tsa polyolefin li haufi le ho khutlela 'marakeng oa Asia!
Ho ea ka litaba tsa morao-rao, Pengerang e Johor Bahru, Malaysia, e qalile bocha yuniti ea eona ea 350,000-ton/year linear low-density polyethylene (LLDPE) ka la 4 Phupu, empa yuniti e ka nka nako ho fihlela ts'ebetso e tsitsitseng. Ntle le moo, semela sa eona sa Spheripol 450,000 tons/year polypropylene (PP), 400,000 tons/year high-density polyethylene (HDPE) plant le Spherizone plant 450,000 tons/year polypropylene (PP) plant le tsona li lebelletsoe ho eketseha ho tloha khoeling ena ho qala bocha. Ho ea ka tlhahlobo ea Argus, theko ea LLDPE Asia Boroa-bochabela ntle le lekhetho ka July 1 ke US $ 1360-1380 / tonne CFR, 'me theko ea PP terata ea ho hula Asia Boroa-bochabela ka July 1 ke US $1270-1300/ton CFR ntle le lekhetho. .