Litaba tsa indasteri
-
HDPE e sebelisetsoa eng?
HDPE e sebelisoa lihlahisoa le liphutheloana tse kang lijeke tsa lebese, libotlolo tsa sesepa, libate tsa margarine, lijana tsa lithōle le lipeipi tsa metsi.Ka har'a li-tubes tsa bolelele bo fapaneng, HDPE e sebelisoa e le sebaka sa li-tubes tsa seretse sa khateboto e fanoeng ka mabaka a mabeli a mantlha.Ntlha ea pele, e sireletsehile haholo ho feta liphaephe tsa khateboto tse fanoeng hobane haeba khetla e ne e ka sebetsa hampe 'me ea phatloha ka har'a tube ea HDPE, tube e ke ke ea robeha.Lebaka la bobeli ke hore li ka sebelisoa hape ho lumella baqapi ho etsa liraka tse ngata tsa seretse sa sethunya.Li-Pyrotechnicians ha li khothalletse tšebeliso ea li-tubing tsa PVC ka har'a li-tubes tsa seretse hobane li na le tšekamelo ea ho pshatleha, ho romela likotoana tsa polasetiki ho bashebelli ba ka bang teng, 'me li ke ke tsa hlaha ka X-rays.. -
Karete e tala ea PLA e fetoha tharollo e tsebahalang e tsitsitseng bakeng sa indasteri ea lichelete.
Ho hlokahala polasetiki e ngata haholo ho etsa likarete tsa banka selemo le selemo, 'me ka mathata a tikoloho a ntse a eketseha, Thales, moetapele oa ts'ireletso ea theknoloji e phahameng, o hlahisitse tharollo.Ka mohlala, karete e entsoeng ka 85% polylactic acid (PLA), e tsoang ho poone;mokhoa o mong o mocha ke oa ho sebelisa lisele tse tsoang lits'ebetsong tsa tlhoekiso ea lebopo ka tšebelisano 'moho le sehlopha sa tikoloho sa Parley for the Oceans.Litšila tsa polasetiki tse bokelletsoeng - "Ocean Plastic®" e le lisebelisoa tse ncha tse tala bakeng sa tlhahiso ea likarete;Hape ho na le khetho bakeng sa likarete tsa PVC tse tsosolositsoeng tse entsoeng ka ho feletseng ka polasetiki e litšila ho tloha indastering ea ho paka le ea khatiso ho fokotsa tšebeliso ea polasetiki e ncha.. -
Tlhahlobo e khuts'oane ea data ea China ea ho kenya le ho romella kantle ho naha ea China ho tloha Pherekhong ho isa Phuptjane.
Ho tloha ka Pherekhong ho isa Phuptjane 2022, naha ea heso e ile ea reka kantle ho naha kakaretso ea lithane tse 37,600 tsa resin ea peista, e leng phokotseho ea 23% ha e bapisoa le nako e tšoanang selemong se fetileng, 'me ea romela kantle ho naha kakaretso ea lithane tse 46,800 tsa resin ea paste, keketseho ea 53.16% ha e bapisoa le nako e tšoanang selemong se fetileng.Halofong ea pele ea selemo, ntle le hore likhoebo ka bomong li koalehe bakeng sa tlhokomelo, mojaro o sebetsang oa setsi sa lehae sa resin ea pente o ile oa lula o le maemong a holimo, phepelo ea thepa e ne e lekane, mme mmaraka oa tsoela pele ho theoha.Baetsi ba ile ba batla ka matla litaelo tsa thepa ea kantle ho naha ho fokotsa likhohlano tsa mebaraka ea lehae, 'me palo e ntseng e eketseha ea thomello e ile ea eketseha haholo . -
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 or “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 tsa mehleng 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 ea ho terata le mehala. insulation cable, windshield tsamaiso likarolo le tse ling.. -
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
