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Ungaziva sei kana plastiki iri polypropylene?
Imwe yedzakareruka nzira dzekuita bvunzo yemoto ndeyekucheka sampu kubva mupurasitiki nekuibatidza muhutsi kabati. Ruvara rwemurazvo, hwema uye hunhu hwekutsva hunogona kupa chiratidzo chemhando yepurasitiki: 1. Polyethylene (PE) - Drips, inonhuhwirira kenduru; yekenduru; 3. Polymethylmethacrylate (PMMA, “Perspex”) – Matubu, kuputika, kunhuhwirira kunotapira; 4. Polyamide kana “Nylon” (PA) – Sooty flame, smells of marigolds; sooty flame, hwema hwemarigolds; 6. Polyethylene foam (PE) – Madhiri, kunhuwa kwekenduru -
Mars M Beans inotangisa biodegradable PLA composite mapepa ekurongedza muChina.
Muna 2022, Mars yakatanga chokoreti yekutanga yeM&M yakarongedzwa mumapepa akashata anoumbwa muChina. Yakagadzirwa nezvinhu zvinoshatisa senge bepa uye PLA, ichitsiva yechinyakare yakapfava epurasitiki kurongedza munguva yakapfuura. Iyo yekurongedza yakapfuura GB / T Nzira yekutsunga ye19277.1 yakasimbisa kuti pasi pemamiriro ekugadzira manyowa eindasitiri, inogona kudzikisira kupfuura 90% mumwedzi mitanhatu, uye ichave isiri-biologically chepfu mvura, carbon dioxide uye zvimwe zvigadzirwa mushure mekuora. . -
China yePVC inotengeswa kunze kwenyika inoramba yakakwira muhafu yekutanga yegore.
Zvinoenderana neazvino tsika manhamba, muna Chikumi 2022, vhoriyamu yenyika yangu yePVC poda yakachena yaive 29,900 matani, kuwedzera kwe35.47% kubva pamwedzi wapfuura uye gore-pa-gore kuwedzera kwe23.21%; muna Chikumi 2022, nyika yangu yePVC yakachena poda kunze kwenyika yaive 223,500 matani, Kudzikira kwemwedzi-pa-mwedzi kwaive 16%, uye kuwedzera kwegore-pagore kwaive 72.50%. Huwandu hwekutengesa kunze kwenyika hwakaramba huchichengetedza huwandu hwepamusoro, izvo zvakaderedza kuwanda kwakawanda mumusika wemukati kusvika pamwero wakati. -
Chii chinonzi Polypropylene (PP)?
Polypropylene (PP) yakaoma, yakasimba, uye yecrystalline thermoplastic. Inogadzirwa kubva kune propene (kana propylene) monomer. Iyi mutsara wehydrocarbon resin ndiyo yakareruka kwazvo polymer pakati pezvinhu zvese zvepurasitiki. PP inouya ingave sehomopolymer kana secopolymer uye inogona kukwidziridzwa zvakanyanya nekuwedzera. Inowana application mukurongedza, mota, mutengi zvakanaka, zvekurapa, akakanda mafirimu, nezvimwe. PP yave chinhu chesarudzo, kunyanya kana uchitsvaga polymer ine simba repamusoro (semuenzaniso, vs Polyamide) mumainjiniya maapplication kana kungotsvaga. mari inobatsira mukuvhuvhuta mabhodhoro (vs. PET). -
Chii chinonzi Polyethylene (PE)?
Polyethylene (PE) , inozivikanwawo sepolythene kana polyethene, ndeimwe yemapurasitiki anonyanya kushandiswa munyika. Polyethylenes kazhinji ine mutsara chimiro uye inozivikanwa kuve yekuwedzera mapolymer. Iko kushandiswa kwekutanga kweaya ekugadzira mapolymer ari mukutakura. Polyethelyne inowanzoshandiswa kugadzira mabhegi epurasitiki, mabhodhoro, mafirimu epurasitiki, midziyo, uye geomembranes. Zvinogona kucherechedzwa kuti anopfuura mamirioni zana ematani e polyethene anogadzirwa pagore nekuda kwekutengesa uye maindasitiri zvinangwa. -
Ongororo yekushanda kwemusika wepasirese wePVC wenyika yangu muhafu yekutanga ya2022.
Muhafu yekutanga ya2022, musika wePVC wekutengesa kunze wakawedzera gore negore. Muchikamu chekutanga, chakakanganiswa nekuderera kwehupfumi hwenyika pamwe nedenda, makambani mazhinji ekunze kunze kwenyika airatidza kuti kudiwa kwema disks ekunze kwakadzikira. Nekudaro, kubva kutanga kwaChivabvu, nekuvandudzwa kwedenda uye matanho akateedzana akaunzwa nehurumende yeChina kukurudzira kudzoreredzwa kwehupfumi, huwandu hwekushanda kwemabhizinesi ekugadzira ePVC edzimba hwave hwakanyanya, musika wePVC kunze kwenyika wadziya. , uye kudiwa kwema disks ekunze kwakawedzera. Nhamba yacho inoratidza humwe humiro hwekukura, uye kushanda kwese kwemusika kwave nani zvichienzaniswa nenguva yapfuura. -
Chii chinoshandiswa PVC?
Economical, versatile polyvinyl chloride (PVC, kana vinyl) inoshandiswa mumhando dzakasiyana dzekushandisa muchivakwa nekuvaka, hutano hwehutano, zvemagetsi, mota uye mamwe masekete, muzvigadzirwa kubva papombi uye siding, mabhegi eropa uye tubing, waya uye cable insulation, windshield system components nezvimwe. . -
Chemdo's Morning Meeting musi wa26 Chikunguru.
Mangwanani emusi waChikunguru 26, Chemdo yakaita musangano wakaungana. Pakutanga, maneja mukuru akataura maonero ake pamusoro pemamiriro ezvinhu ehupfumi aripo iye zvino: hupfumi hwenyika hwakaderera, indasitiri yese yekutengeserana kune dzimwe nyika yakaora mwoyo, kudiwa kuri kuderera, uye kutengesa kwegungwa kuri kuderera. Uye yeuchidza vashandi kuti pakupera kwaJuly, pane dzimwe nyaya dzomunhu oga dzinoda kugadziriswa, dzinogona kurongwa nokukurumidza sezvinobvira. Uye yakatsunga dingindira revhiki rino vhidhiyo midhiya mitsva: Kuderera Kukuru mukutengeserana kwekunze. Ipapo akakoka vaaishanda navo vakati wandei kuti vagovane nhau dzichangoburwa, uye pakupedzisira akakurudzira madhipatimendi ezvemari nezvinyorwa kuti achengete magwaro zvakanaka. . -
Hainan Refinery's miriyoni-matani ethylene uye yekunatsa chirongwa chekuwedzera chave kuda kupihwa.
Iyo Hainan Refining uye Chemical Ethylene Project uye Refining Reconstruction and Expansion Project iri muYangpu Economic Development Zone, ine mari yakazara inodarika mabhiriyoni makumi maviri nemasere eyuan. Kusvika ikozvino, kufambira mberi kwekuvaka kwese kwasvika 98%. Mushure mekunge chirongwa ichi chapedzwa uye chaiswa mukugadzirwa, chinotarisirwa kutyaira anopfuura mabhiriyoni zana emayuan emaindasitiri epasi. Olefin Feedstock Diversification uye High-end Downstream Forum ichaitwa muSanya muna Chikunguru 27-28. Pasi pemamiriro ezvinhu matsva, kugadzirwa kwemapurojekiti makuru akadai sePDH, uye ethane cracking, mararamiro emangwana emagetsi matsva akadai semafuta asina kuchena akananga kune olefins, uye chizvarwa chitsva chemarasha / methanol kune olefins chichakurukurwa. . -
MIT: Polylactic-glycolic acid copolymer microparticles inoita "self-enhancing" yekudzivirira.
Masayendisiti epaMassachusetts Institute of Technology (MIT) anoshuma mupepanhau remazuva ano reScience Advances kuti vari kugadzira mushonga mumwe chete wekuzvidzivirira wekudzivirira. Mushure mekunge jekiseni rabaiwa mumuviri wemunhu, rinogona kuburitswa kakawanda pasina kudiwa kwekupfura. Mushonga mutsva uyu unotarisirwa kushandiswa kurwisa zvirwere kubva kugwirikwiti kusvika kuCovid-19. Zvinonzi mushonga mutsva uyu wakagadzirwa ne poly(lactic-co-glycolic acid) (PLGA) zvidimbu. PLGA inoora inoshanda yepolymer organic compound, isina-chepfu uye ine biocompatibility yakanaka. Yakatenderwa kushandiswa muImplants, sutures, kugadzirisa zvinhu, nezvimwe -
Yuneng Chemical Kambani: Chekutanga kugadzirwa kwemaindasitiri kweinopfapfaidza polyethylene!
Nguva pfupi yadarika, iyo LLDPE unit yePolyolefin Center yeYuneng Chemical Company yakabudirira kugadzira DFDA-7042S, inopfapfaidza polyethylene chigadzirwa. Zvinonzwisiswa kuti sprayable polyethylene chigadzirwa chigadzirwa chinobva mukukurumidza kukura kweiyo yakadzika yekugadzira tekinoroji. Iyo yakakosha polyethylene zvinhu nekupfapfaidza kuita pamusoro pepamusoro inogadzirisa dambudziko rekushomeka kwemavara kuita kwepolyethylene uye ine yakakwira gloss. Chigadzirwa chacho chinogona kushandiswa mukushongedza neminda yekudzivirira, inokodzera zvigadzirwa zvevana, mukati memotokari, zvinhu zvekurongedza, pamwe neakakura maindasitiri uye ekurima matangi ekuchengetedza, matoyi, migwagwa yekuchengetedza, nezvimwewo, uye tarisiro yemusika yakakura kwazvo. . -
Petronas 1.65 miriyoni matani e polyolefin ave kuda kudzokera kumusika weAsia!
Maererano nenhau dzichangoburwa, Pengerang muJohor Bahru, Malaysia, yatangazve 350,000-ton/year linear low-density polyethylene (LLDPE) unit musi wa4 Chikunguru, asi unit inogona kutora nguva kuti Iite kushanda kwakadzikama. Kunze kwezvo, yayo Spheripol tekinoroji 450,000 matani/gore polypropylene (PP) chirimwa, 400,000 matani/gore high-density polyethylene (HDPE) chirimwa uye Spherizone tekinoroji 450,000 matani/gore polypropylene (PP) chirimwa chiri kutarisirwawo kuwedzera kubva mwedzi uno kutangazve. Maererano nekuongorora kwaArgus, mutengo weLLDPE muSoutheast Asia pasina mutero musi waChikunguru 1 iUS$1360-1380/ton CFR, uye mutengo wePP wire kudhirowa muSoutheast Asia muna Chikunguru 1 iUS$1270-1300/ton CFR pasina mutero. .