Xov xwm kev lag luam
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Dab tsi HDPE siv rau?
HDPE yog siv nyob rau hauv cov khoom thiab ntim xws li mis nyuj jugs, detergent fwj, margarine tubs, khib nyiab ntim thiab kav dej.Hauv cov raj ntawm qhov ntev sib txawv, HDPE yog siv los hloov cov khoom siv los ntawm cov khoom siv rau ob qho laj thawj.Ib qho, nws muaj kev nyab xeeb ntau dua li cov khoom siv los ntawm cov hlab ntsha vim tias yog lub plhaub ua haujlwm tsis zoo thiab tawg hauv lub raj HDPE, lub raj yuav tsis tawg.Qhov thib ob yog vim li cas lawv thiaj li rov siv tau dua uas tso cai rau cov neeg tsim qauv tsim ntau qhov kev txhaj tshuaj mortar racks.Pyrotechnicians txwv tsis pub siv PVC tubing nyob rau hauv mortar raj vim hais tias nws nyiam tawg, xa shards ntawm yas ntawm cov neeg tuaj saib, thiab yuav tsis tshwm sim hauv X-rays.cov -
PLA daim npav ntsuab dhau los ua qhov kev daws teeb meem nrov rau kev lag luam nyiaj txiag.
Cov yas ntau dhau yog xav tau los ua daim npav txhab nyiaj txhua xyoo, thiab nrog kev txhawj xeeb ntawm ib puag ncig loj hlob, Thales, tus thawj coj hauv kev ruaj ntseg high-tech, tau tsim kev daws teeb meem.Piv txwv li, ib daim npav ua los ntawm 85% polylactic acid (PLA), uas yog muab los ntawm pob kws;Lwm txoj hauv kev tshiab yog siv cov ntaub so ntswg los ntawm kev ua haujlwm tu ntug hiav txwv los ntawm kev koom tes nrog ib puag ncig pab pawg Parley rau Oceans.Sau cov khib nyiab pov tseg - "Ocean Plastic®" ua cov khoom siv tshiab rau kev tsim daim npav;kuj tseem muaj kev xaiv rau cov ntawv siv dua tshiab PVC ua tiav los ntawm cov yas pov tseg los ntawm kev ntim khoom thiab kev lag luam luam ntawv los txo kev siv cov yas tshiab.cov -
Kev tsom xam luv luv ntawm Tuam Tshoj cov tshuaj pleev ib ce pvc resin ntshuam thiab xa tawm cov ntaub ntawv txij lub Ib Hlis mus txog rau Lub Rau Hli.
Txij Lub Ib Hlis Ntuj txog Lub Rau Hli 2022, kuv lub teb chaws tau xa tawm tag nrho ntawm 37,600 tons ntawm paste resin, txo 23% piv nrog rau tib lub sijhawm xyoo tas los, thiab xa tawm tag nrho ntawm 46,800 tons ntawm paste resin, nce 53.16% piv nrog tib lub sijhawm xyoo tas los.Nyob rau hauv thawj ib nrab ntawm lub xyoo, tshwj tsis yog rau ib tug neeg lag luam raug kaw rau kev txij nkawm, lub domestic paste resin cog kev khiav hauj lwm load tseem nyob rau theem siab, cov khoom ntawm cov khoom txaus txaus, thiab kev ua lag luam txuas ntxiv poob.Cov neeg tsim khoom nquag nrhiav kev txiav txim xa tawm los daws kev tsis sib haum xeeb hauv kev lag luam, thiab cov khoom lag luam xa tawm tau nce ntxiv. -
Koj tuaj yeem qhia tau li cas yog tias cov yas yog polypropylene?
Ib txoj hauv kev yooj yim tshaj plaws los ua cov nplaim hluav taws xob yog los ntawm kev txiav cov qauv ntawm cov yas thiab igniting nws nyob rau hauv lub fume cupboard.Cov xim ntawm cov nplaim taws, cov ntxhiab tsw thiab cov yam ntxwv ntawm kev kub hnyiab tuaj yeem ua rau muaj qhov qhia txog hom yas: 1. Polyethylene (PE) - Drips, tsw zoo li tswm ciab; 2.Polypropylene (PP) - Drips, tsw ntxhiab feem ntau ntawm cov roj cav qias neeg thiab undertones. ntawm candlewax; 3. Polymethylmethacrylate (PMMA, "Perspex") - npuas, crackles, qab zib tsw ntxhiab; 4. Polyamide los yog "Nylon" (PA) - Sooty nplaim, tsw ntawm marigolds; 5. Acrylonitrilebutadienestyrene (ABS), Nplaim taws tsw tswm ciab; 6. Polyethylene ua npuas ncauj (PE) - Drips, tsw tsw tsw tsw tsw tsw -
Mars M Taum tso tawm biodegradable PLA composite ntawv ntim hauv Suav teb.
Xyoo 2022, Mars tau tshaj tawm thawj M & M's chocolate ntim rau hauv cov ntawv sib xyaw degradable hauv Suav teb.Nws yog ua los ntawm cov ntaub ntawv degradable xws li ntawv thiab PLA, hloov cov khoom ntim yas yas qub qub.Kev ntim khoom tau dhau GB / T Txoj kev txiav txim siab ntawm 19277.1 tau tshawb xyuas tias nyob rau hauv cov txheej txheem kev tsim khoom, nws tuaj yeem degrade ntau dua 90% hauv 6 lub hlis, thiab nws yuav dhau los ua cov dej tsis muaj tshuaj lom, carbon dioxide thiab lwm yam khoom tom qab degradation.cov -
Tuam Tshoj tus PVC xa tawm tseem siab nyob rau hauv thawj ib nrab ntawm lub xyoo.
Raws li qhov tseeb kev lis kev cai txheeb cais, nyob rau hauv Lub rau hli ntuj 2022, kuv lub teb chaws lub ntshuam ntawm PVC ntshiab hmoov yog 29,900 tons, nce 35.47% ntawm lub hli dhau los thiab ib xyoo-rau-xyoo nce ntawm 23.21%;Nyob rau lub Rau Hli 2022, kuv lub teb chaws PVC ntshiab hmoov export ntim yog 223,500 tons, Lub hli-rau-hli poob yog 16%, thiab xyoo-rau-xyoo nce yog 72.50%.Lub ntim export txuas ntxiv kom muaj qib siab, uas txo qis cov khoom lag luam ntau hauv kev lag luam hauv tsev mus rau qee yam. -
Polypropylene (PP) yog dab tsi?
Polypropylene (PP) yog ib qho tawv, tawv, thiab crystalline thermoplastic.Nws yog tsim los ntawm propene (los yog propylene) monomer.Qhov no linear hydrocarbon resin yog lub lightest polymer ntawm tag nrho cov khoom yas.PP tuaj yeem ua homopolymer lossis ua copolymer thiab tuaj yeem txhawb nqa zoo nrog cov khoom ntxiv.Nws pom daim ntawv thov nyob rau hauv ntim, tsheb, neeg siv khoom zoo, kev kho mob, cam khwb cia zaj duab xis, thiab lwm yam. PP tau dhau los ua cov khoom xaiv, tshwj xeeb tshaj yog thaum koj tab tom nrhiav ib lub polymer nrog lub zog zoo (xws li, vs Polyamide) hauv kev siv engineering lossis tsuas yog nrhiav. tus nqi kom zoo dua hauv tshuab moulding fwj (vs. PET). -
Polyethylene (PE) yog dab tsi?
Polyethylene (PE), tseem hu ua polythene lossis polyethene, yog ib qho ntawm cov yas siv ntau tshaj plaws hauv ntiaj teb.Polyethylene feem ntau muaj cov qauv linear thiab paub tias yog cov polymers ntxiv.Thawj daim ntawv thov ntawm cov hluavtaws polymers yog nyob rau hauv ntim.Polyethelyne feem ntau yog siv los ua cov hnab yas, lub raj mis, yas zaj duab xis, ntim, thiab geomembranes.Nws tuaj yeem raug sau tseg tias ntau dua 100 lab tonnes ntawm polyethene yog tsim txhua xyoo rau kev lag luam thiab kev lag luam. -
Kev soj ntsuam ntawm kev ua haujlwm ntawm kuv lub teb chaws PVC xa tawm lag luam hauv thawj ib nrab xyoo 2022.
Hauv thawj ib nrab ntawm 2022, PVC xa tawm kev lag luam tau nce xyoo-rau-xyoo.Hauv thawj peb lub hlis twg, cuam tshuam los ntawm kev lag luam thoob ntiaj teb kev lag luam thiab kev sib kis, ntau lub tuam txhab xa tawm hauv tsev tau qhia tias qhov kev thov rau cov khoom siv sab nraud tau txo qis.Txawm li cas los xij, txij li thaum pib lub Tsib Hlis, nrog rau kev txhim kho ntawm cov xwm txheej sib kis thiab cov kev ntsuas tau qhia los ntawm tsoomfwv Suav los txhawb kev lag luam rov qab los, kev ua haujlwm ntawm cov tuam txhab tsim khoom hauv tsev PVC tau nce siab, PVC kev lag luam xa tawm tau sov tuaj. , thiab qhov kev thov rau sab nraud disks tau nce.Tus lej qhia txog qee yam kev loj hlob, thiab kev ua haujlwm tag nrho ntawm kev ua lag luam tau zoo dua piv nrog rau lub sijhawm dhau los. -
Dab tsi yog PVC siv rau?
Kev lag luam, ntau yam polyvinyl chloride (PVC, lossis yas) yog siv rau ntau yam kev siv hauv lub tsev thiab kev tsim kho, kev kho mob, hluav taws xob, tsheb thiab lwm yam, hauv cov khoom xws li cov kav dej thiab sab hauv, cov hnab ntim ntshav thiab tubing, mus rau hlau thiab cable rwb thaiv tsev, windshield system Cheebtsam thiab lwm yam.cov -
Hainan Refinery's lab-tuj ethylene thiab refining expansion project tab tom yuav raug xa mus.
Hainan Refining thiab Chemical Ethylene Project thiab Refining Reconstruction thiab Expansion Project yog nyob rau hauv Yangpu Economic Development Zone, nrog rau tag nrho cov peev ntawm ntau tshaj 28 billion yuan.Txog rau tam sim no, tag nrho cov kev tsim kho tau nce mus txog 98%.Tom qab qhov project tiav thiab muab tso rau hauv kev tsim khoom, nws xav tias yuav tsav ntau tshaj 100 billion yuan ntawm downstream industries.Olefin Feedstock Diversification thiab High-end Downstream Forum yuav muaj nyob rau hauv Sanya thaum Lub Xya Hli 27-28.Raws li qhov xwm txheej tshiab, kev txhim kho ntawm cov phiaj xwm loj xws li PDH, thiab ethane cracking, yav tom ntej ntawm cov thev naus laus zis tshiab xws li cov roj av ncaj qha rau olefins, thiab tiam tshiab ntawm cov thee / methanol rau olefins yuav tau tham.cov -
MIT: Polylactic-glycolic acid copolymer microparticles ua "kev txhim kho tus kheej" tshuaj tiv thaiv.
Cov kws tshawb fawb ntawm Massachusetts Institute of Technology (MIT) tau tshaj tawm hauv phau ntawv xov xwm Science Advances tsis ntev los no tias lawv tab tom tsim cov tshuaj tiv thaiv tus kheej ib zaug.Tom qab txhaj tshuaj tiv thaiv rau tib neeg lub cev, nws tuaj yeem tso tawm ntau zaus yam tsis tas yuav txhaj koob tshuaj.Cov tshuaj tiv thaiv tshiab yuav tsum tau siv los tiv thaiv kab mob xws li mob qhua pias mus rau Covid-19.Nws tau tshaj tawm tias cov tshuaj tiv thaiv tshiab no yog tsim los ntawm poly (lactic-co-glycolic acid) (PLGA) hais.PLGA yog ib tug degradable functional polymer organic compound, uas yog non-toxic thiab muaj biocompatibility zoo.Nws tau raug pom zoo siv rau hauv Implants, sutures, kho cov ntaub ntawv, thiab lwm yam
