Nkhani Zamakampani
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Kodi HDPE imagwiritsidwa ntchito bwanji?
HDPE imagwiritsidwa ntchito popanga zinthu ndi kulongedza zinthu monga mitsuko yamkaka, mabotolo otsukira, machubu a margarine, zotengera zinyalala ndi mapaipi amadzi.M'machubu aatali mosiyanasiyana, HDPE imagwiritsidwa ntchito m'malo mwa machubu amatope omwe amaperekedwa pazifukwa ziwiri zazikulu.Choyamba, ndi otetezeka kwambiri kuposa machubu a makatoni omwe amaperekedwa chifukwa chipolopolo chikapanda kugwira bwino ntchito ndikuphulika mkati mwa chubu cha HDPE, chubucho sichidzasweka.Chifukwa chachiwiri ndi chakuti amatha kugwiritsidwanso ntchito kulola opanga kupanga ma racks angapo amatope.Akatswiri a Pyrotechnicians amaletsa kugwiritsa ntchito machubu a PVC m'machubu amatope chifukwa amatha kusweka, kutumiza zidutswa za pulasitiki kwa owonerera omwe angathe, ndipo sizidzawonekera pa X-ray.ku -
Khadi lobiriwira la PLA limakhala yankho lodziwika bwino lazachuma.
Mapulasitiki ochuluka amafunikira kuti apange makadi a banki chaka chilichonse, ndipo nkhawa za chilengedwe zikukula, Thales, mtsogoleri wa chitetezo chapamwamba kwambiri, wapanga njira yothetsera vutoli.Mwachitsanzo, khadi lopangidwa ndi 85% polylactic acid (PLA), yomwe imachokera ku chimanga;njira ina yatsopano ndiyo kugwiritsa ntchito minofu yochokera ku ntchito zoyeretsa m'mphepete mwa nyanja kudzera mu mgwirizano ndi gulu lachilengedwe la Parley for the Oceans.Zinyalala za pulasitiki zosonkhanitsidwa - "Ocean Plastic®" ngati zida zatsopano zopangira makhadi;palinso njira yopangira makhadi a PVC opangidwanso kuchokera ku zinyalala zamapulasitiki kuchokera kumakampani opangira ndi kusindikiza kuti achepetse kugwiritsa ntchito pulasitiki yatsopano.ku -
Kusanthula mwachidule za data ya China ya phala pvc resin import and export data from January mpaka June.
Kuyambira Januware mpaka Juni 2022, dziko langa lidatumiza matani 37,600 a utomoni wa phala, kutsika ndi 23% poyerekeza ndi nthawi yomweyi chaka chatha, ndikutumiza kunja matani 46,800 a phala, kuchuluka kwa 53.16% nthawi yomweyo chaka chatha.Mu theka loyamba la chaka, kupatula mabizinesi omwe atsekeka kuti akonzeredwe, ntchito yanyumba yopangira utomoni wapanyumba idakhalabe pamlingo waukulu, kupezeka kwa katundu kunali kokwanira, ndipo msika udapitilirabe kutsika.Opanga amafunafuna mwachangu malamulo otumiza kunja kuti achepetse mikangano yamisika yapanyumba, ndipo kuchuluka kwazinthu zotumizira kunja kunakwera kwambiri . -
Kodi mungadziwe bwanji ngati pulasitiki ndi polypropylene?
Imodzi mwa njira zosavuta zoyesera moto ndi kudula chitsanzo kuchokera mu pulasitiki ndikuyatsa mu kabati ya fume.Mtundu wa lawi lamoto, fungo ndi mawonekedwe akuyaka ungapereke chizindikiro cha mtundu wa pulasitiki: 1. Polyethylene (PE) - Kudontha, kununkhiza ngati candlewax; 3. Polymethylmethacrylate (PMMA, “Perspex”) – Tinthuvu, tonyengerera, fungo lonunkhira bwino; moto wa sooty, fungo la marigolds; 6. Foam polyethylene (PE) - Kudontha, kununkhira kwamakandulo -
Mars M Beans akhazikitsa zopangira mapepala za PLA zowola ku China.
Mu 2022, Mars adakhazikitsa chokoleti choyamba cha M&M chopakidwa pamapepala ophatikizika ku China.Amapangidwa ndi zinthu zowonongeka monga mapepala ndi PLA, m'malo mwazopaka pulasitiki zofewa zakale.Kupakako kwadutsa GB / T Njira yotsimikizika ya 19277.1 yatsimikizira kuti pansi pamikhalidwe ya kompositi ya mafakitale, imatha kutsitsa kuposa 90% m'miyezi ya 6, ndipo idzakhala madzi osakhala ndi biologically poizoni, carbon dioxide ndi zinthu zina pambuyo powonongeka.ku -
Kutumiza kwa PVC ku China kumakhalabe kwakukulu mu theka loyamba la chaka.
Malinga ndi ziwerengero zaposachedwa za kasitomu, mu June 2022, voliyumu ya PVC yochokera kudziko langa inali matani 29,900, kuwonjezeka kwa 35.47% kuchokera mwezi wapitawo komanso kuwonjezeka kwa chaka ndi 23.21%;mu June 2022, dziko langa la PVC lopangidwa ndi ufa woyera linali matani 223,500, Kutsika kwa mwezi ndi mwezi kunali 16%, ndipo kuwonjezeka kwa chaka ndi chaka kunali 72.50%.Kuchuluka kwa katundu wotumizidwa kunja kunapitirizabe kukhalabe apamwamba, zomwe zinachepetsa kuchuluka kwa zinthu zomwe zimagulitsidwa pamsika wapakhomo pamlingo wina. -
Polypropylene (PP) ndi chiyani?
Polypropylene (PP) ndi thermoplastic yolimba, yolimba, komanso yonyezimira.Amapangidwa kuchokera ku propene (kapena propylene) monomer.Utoto wa hydrocarbon uyu ndiye polima wopepuka kwambiri pakati pa mapulasitiki onse ogulitsa.PP imabwera ngati homopolymer kapena ngati copolymer ndipo imatha kulimbikitsidwa kwambiri ndi zowonjezera.Imapeza ntchito pakuyika, magalimoto, ogula zabwino, zamankhwala, mafilimu oponyedwa, etc. PP yakhala chinthu chosankha, makamaka mukafuna polima yokhala ndi mphamvu zopambana (mwachitsanzo, vs Polyamide) pamapulogalamu aukadaulo kapena kungoyang'ana mtengo wopindulitsa m'mabotolo owumba (vs. PET). -
Polyethylene (PE) ndi chiyani?
Polyethylene (PE) , yomwe imadziwikanso kuti polythene kapena polyethene, ndi imodzi mwamapulasitiki omwe amagwiritsidwa ntchito kwambiri padziko lonse lapansi.Ma polyethylenes nthawi zambiri amakhala ndi mzere ndipo amadziwika kuti ndi ma polima owonjezera.Kugwiritsa ntchito koyambirira kwa ma polima opangira awa ndikumangirira.Polyethelyne nthawi zambiri amagwiritsidwa ntchito popanga matumba apulasitiki, mabotolo, mafilimu apulasitiki, zotengera, ndi ma geomembranes.Titha kudziwa kuti matani opitilira 100 miliyoni a polyethene amapangidwa pachaka kuti azichita bizinesi ndi mafakitale. -
Kuwunika momwe msika wapadziko lonse wa PVC ukuyendera mu theka loyamba la 2022.
Mu theka loyamba la 2022, msika wogulitsa kunja wa PVC ukuwonjezeka chaka ndi chaka.M'gawo loyamba, zomwe zidakhudzidwa ndi kuchepa kwachuma padziko lonse lapansi komanso mliri, makampani ambiri ogulitsa kunja adawonetsa kuti kufunikira kwa ma disks akunja kudachepa.Komabe, kuyambira kuchiyambi kwa Meyi, ndikusintha kwa mliriwu komanso njira zingapo zomwe boma la China lidayambitsa kuti lilimbikitse kuyambiranso kwachuma, kuchuluka kwamakampani opanga ma PVC apanyumba kwakhala kwakukulu, msika wogulitsa kunja wa PVC watenthedwa. , ndipo kufunikira kwa ma disks akunja kwawonjezeka.Nambalayi ikuwonetsa kakulidwe kake, ndipo ntchito yonse yamsika yapita patsogolo poyerekeza ndi nthawi yapitayi. -
Kodi PVC imagwiritsidwa ntchito bwanji?
Economical, zosunthika polyvinyl chloride (PVC, kapena vinilu) amagwiritsidwa ntchito zosiyanasiyana mu nyumba ndi zomangamanga, chisamaliro chaumoyo, zamagetsi, magalimoto ndi magawo ena, mu mankhwala kuyambira mapaipi ndi siding, matumba magazi ndi chubu, kwa waya ndi kusungunula chingwe, makina opangira ma windshield system ndi zina zambiri.ku -
Ntchito yokulitsa ya Hainan Refinery ya ethylene yolemera matani miliyoni miliyoni yatsala pang'ono kuperekedwa.
Pulojekiti ya Hainan Refining and Chemical Ethylene Project ndi Refining Reconstruction and Expansion Project zili ku Yangpu Economic Development Zone, ndi ndalama zonse zokwana yuan 28 biliyoni.Mpaka pano, ntchito yomanga yonse yafika pa 98%.Ntchitoyi ikamalizidwa ndikupangidwa, ikuyembekezeka kuyendetsa ma yuan opitilira 100 biliyoni amakampani akumunsi.Olefin Feedstock Diversification ndi High-end Downstream Forum idzachitikira ku Sanya pa July 27-28.Pansi pa zinthu zatsopano, chitukuko cha ntchito zazikulu monga PDH, ndi ethane cracking, mchitidwe wamtsogolo wa matekinoloje atsopano monga mafuta osakanizidwa mwachindunji ku olefins, ndi mbadwo watsopano wa malasha / methanol ku olefins udzakambidwa.ku -
MIT: Polylactic-glycolic acid copolymer microparticles amapanga katemera "wodzikulitsa".
Asayansi a ku Massachusetts Institute of Technology (MIT) lipoti m’magazini yaposachedwapa Science Advances kuti akupanga katemera wa mlingo umodzi wodzilimbitsa okha.Katemera akabayidwa m'thupi la munthu, amatha kutulutsidwa kangapo popanda kufunikira kowonjezera.Katemera watsopanoyu akuyembekezeka kugwiritsidwa ntchito polimbana ndi matenda kuyambira chikuku mpaka Covid-19.Akuti katemera watsopanoyu amapangidwa ndi tinthu ting'onoting'ono ta poly(lactic-co-glycolic acid) (PLGA).PLGA ndi chinthu chowonongeka chogwira ntchito polima organic, chomwe chilibe poizoni ndipo chimakhala ndi kuyanjana kwabwino.Zavomerezedwa kuti zigwiritsidwe ntchito mu Implants, sutures, kukonza zida, etc
