Nhau dzeIndasitiri
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Chii chinonzi Polyethylene (PE)?
Polyethylene (PE), inozivikanwawo se polythene kana polyethene, ndeimwe yemapurasitiki anonyanya kushandiswa pasi rose. Polyethylene inowanzova nechimiro chakatsetseka uye inozivikanwa semapolymer ekuwedzera. Kushandiswa kukuru kwemapolymer aya ekugadzira kuri mupakeji. Polyethelyne inowanzoshandiswa kugadzira mabhegi epurasitiki, mabhodhoro, mafirimu epurasitiki, midziyo, uye geomembranes. Zvinogona kucherechedzwa kuti matani anopfuura mamiriyoni zana epolyethene anogadzirwa gore rega rega nekuda kwezvinangwa zvebhizinesi nemaindasitiri. -
Ongororo yekushanda kwemusika wekutengesa zvinhu zvePVC munyika yangu muhafu yekutanga ya2022.
Muhafu yekutanga ya2022, musika wekutengesa kunze kwePVC wakawedzera gore negore. Muchikamu chekutanga, chakanganiswa nekushomeka kwehupfumi hwenyika pamwe nedenda iri, makambani mazhinji ekutengesa kunze kwenyika akaratidza kuti kudiwa kwemadisiki ekunze kwakadzikira zvishoma. Zvisinei, kubva pakutanga kwaChivabvu, nekuvandudzika kwemamiriro edenda uye matanho akateedzana akaunzwa nehurumende yeChina kukurudzira kudzoreredzwa kwehupfumi, mwero wekushanda kwemabhizinesi ekugadzira PVC emuno wave wakakwira, musika wekutengesa kunze kwePVC wawedzera, uye kudiwa kwemadisiki ekunze kwawedzera. Huwandu hunoratidza mafambiro ekukura, uye mashandiro emusika wese akawedzera zvichienzaniswa nenguva yapfuura. -
PVC inoshandiswa pai?
Polyvinyl chloride (PVC, kana vinyl) inoshandiswa nenzira dzakasiyana-siyana uye inodhura, inoshandiswa mukuvaka nekuvaka, hutano, zvemagetsi, mota nedzimwe nzvimbo, muzvigadzirwa zvinotangira pakuisa mapaipi, mabhegi eropa nemachubhu, kusvika pakuputira waya netambo, zvikamu zvemawindshield system nezvimwewo. -
Chirongwa chekuwedzera ethylene nekunatsa cheHainan Refinery chinosvika mamiriyoni ematani chave kuda kupihwa.
Chirongwa cheHainan Refining and Chemical Ethylene pamwe neChirongwa cheRefining Reconstruction and Expansion zviri muYangpu Economic Development Zone, nekudyara mari inosvika mabhiriyoni makumi maviri nemasere emadhora. Kusvika pari zvino, kufambira mberi kwekuvaka kwasvika 98%. Mushure mekunge chirongwa ichi chapedzwa uye chaiswa mukugadzirwa, zvinotarisirwa kuti chizotungamira maindasitiri anopfuura mabhiriyoni zana emayuan. Olefin Feedstock Diversification neHigh-end Downstream Forum zvichaitirwa muSanya musi wa27-28 Chikunguru. Pasi pemamiriro ezvinhu matsva, kuvandudzwa kwemapurojekiti makuru akadai sePDH, uye ethane cracking, maitiro emangwana ematekinoroji matsva akadai semafuta asina kucheneswa zvakananga kumaolefins, uye kugadzirwa kutsva kwemacoal/methanol kumaolefins kuchakurukurwa. -
MIT: Polylactic-glycolic acid copolymer microparticles inodzivirira "kuzvivandudza".
Masayendisiti eMassachusetts Institute of Technology (MIT) anoshuma mumagazini yeScience Advances munguva pfupi yapfuura kuti vari kugadzira mushonga wekudzivirira muviri unozviwedzera simba rimwe chete. Mushure mekunge mushonga wacho waiswa mumuviri wemunhu, unogona kuburitswa kakawanda pasina chikonzero chekuisa mushonga wekuwedzera simba. Mushonga mutsva uyu unotarisirwa kushandiswa kurwisa zvirwere zvinotangira pagwirikwiti kusvika kuCovid-19. Zvinonzi mushonga mutsva uyu wakagadzirwa nezvidimbu zvepoly(lactic-co-glycolic acid) (PLGA). PLGA chinhu chinoshanda chepolymer organic, chisina chepfu uye chinoshanda zvakanaka. Chakatenderwa kushandiswa muImplants, sutures, zvinhu zvekugadzirisa, nezvimwewo. -
Kambani yeYuneng Chemical: Kugadzirwa kwekutanga kwemaindasitiri kwepolyethylene inopfapfaidzwa!
Munguva pfupi yapfuura, chikamu cheLLDPE chePolyolefin Center yeYuneng Chemical Company chakabudirira kugadzira DFDA-7042S, chigadzirwa chepolyethylene chinopfapfaidzwa. Zvinonzwisisika kuti chigadzirwa chepolyethylene chinopfapfaidzwa chigadzirwa chinobva mukukura nekukurumidza kwetekinoroji yekugadzirisa. Chinhu chakakosha chepolyethylene chine mashandiro ekupfapfaidza pamusoro chinogadzirisa dambudziko rekushanda zvisina kunaka kwekupenda kwepolyethylene uye chine kupenya kwakanyanya. Chigadzirwa ichi chinogona kushandiswa muminda yekushongedza nekudzivirira, yakakodzera zvigadzirwa zvevana, mukati memotokari, zvinhu zvekurongedza, pamwe nematangi makuru ekuchengetera maindasitiri nekurima, matoyi, nzira dzekudzivirira migwagwa, nezvimwewo, uye tarisiro yemusika yakakura kwazvo. -
Petronas matani mamiriyoni 1.65 epolyolefin yava kuda kudzokera kumusika weAsia!
Sekureva kwenhau dzichangoburwa, Pengerang muJohor Bahru, Malaysia, yatangazve 350,000-ton/gore linear low-density polyethylene (LLDPE) unit musi wa4 Chikunguru, asi unit iyi inogona kutora nguva kuti ishande zvakanaka. Pamusoro pezvo, tekinoroji yayo yeSpheripol ine matani 450,000/gore polypropylene (PP), matani 400,000/gore high-density polyethylene (HDPE) unit uye Spherizone ine matani 450,000/gore polypropylene (PP) unit zvinotarisirwawo kuwedzera kubva mwedzi uno kuti zvitangezve. Sekureva kwekuongorora kwaArgus, mutengo weLLDPE muSoutheast Asia pasina mutero musi wa1 Chikunguru iUS$1360-1380/ton CFR, uye mutengo wePP wire drawing muSoutheast Asia musi wa1 Chikunguru iUS$1270-1300/ton CFR pasina mutero. -
Fodya dzinotanga kushandiswa pakurongedza mapurasitiki anogona kuora muIndia.
Kurambidzwa kweIndia kwemapurasitiki gumi nemapfumbamwe anoshandiswa kamwe chete kwakakonzera shanduko muindasitiri yayo yefodya. Musi wa1 Chikunguru usati wasvika, vagadziri vefodya vekuIndia vakanga vachinja mapurasitiki avo ekare epurasitiki kuita mapurasitiki anoora. Tobacco Institute of India (TII) inoti nhengo dzayo dzashandurwa uye mapurasitiki anoora anoshandiswa anosangana nezvinodiwa pasi rose, pamwe neBIS standard yakaburitswa munguva pfupi yapfuura. Vanotiwo kuora kwemapurasitiki anoora kunotanga nekusangana nevhu uye kuora kwechisikigo mukugadzira manyowa pasina kuomesa masisitimu ekuunganidza marara akasimba uye kudzokorodza. -
Kuongororwa Kupfupi Kwekushanda Kwemusika weCalcium Carbide Mukati meHafu Yekutanga Yegore.
Muhafu yekutanga yegore ra2022, musika wecalcium carbide yemuno hauna kuramba uchichinja-chinja muna 2021. Musika wese waive pedyo nemutengo wakatarwa, uye waive nekuchinja-chinja nekuda kwekukanganiswa kwezvinhu zvakagadzirwa, kuwanikwa uye kudiwa, uye mamiriro ekunze. Muhafu yekutanga yegore, pakanga pasina kuwedzera kutsva kwenzvimbo dzePVC dzecalcium carbide, uye kuwedzera kwekudiwa kwemusika wecalcium carbide kwaive kushoma. Zvakaoma kumabhizinesi echlor-alkali anotenga calcium carbide kuchengetedza mutoro wakasimba kwenguva yakareba. -
Kuputika kwakaitika muPVC reactor yechinhu chikuru chemafuta kuMiddle East!
Kambani yemafuta ekuTurkey, Petkim, yakazivisa kuti manheru emusi wa19 Chikumi 2022, kuputika kwakaitika pafekitori yeAliaga. Tsaona yakaitika muPVC reactor yefekitori, hapana akakuvara, moto wakakurumidza kudzorwa, asi PVC unit inogona kunge isina kushanda kwenguva pfupi nekuda kwetsaona iyi. Chiitiko ichi chingave nemhedzisiro yakakura pamusika wePVC weEurope. Zvinonzi nekuti mutengo wePVC muChina wakaderera zvakanyanya pane wezvigadzirwa zvemuno zveTurkey, uye mutengo wePVC muEurope wakakwira kupfuura weTurkey, zvigadzirwa zvakawanda zvePVC zvePetkim parizvino zviri kutengeswa kumusika weEurope. -
BASF inogadzira matireyi eovheni akafukidzwa nePLA!
Musi wa30 Chikumi 2022, BASF nekambani yekuAustralia inogadzira machira ekudya inonzi Confoil vakabatana kugadzira tireyi yepepa inogadziriswa manyowa, inoshanda nemaoko maviri - DualPakECO®. Mukati metireyi yemapepa makaputirwa neBASF's ecovio® PS1606, iyo ipurasitiki inogadzirwa neBASF inoshanda zvakanyanya. Ipurasitiki inoora inogona kudzokororwa (70% yehuwandu) yakasanganiswa neBASF's ecoflex products nePLA, uye inoshandiswa zvakanyanya kugadzira machira ekuisa chikafu pamapepa kana makadhibhodhi. Ane hunhu hwakanaka hwekudzivirira mafuta, zvinwiwa uye hwema uye anogona kuchengetedza kuburitswa kwemhepo inopisa. -
Kuisa mafiber e polylactic acid kumayunifomu echikoro.
Fengyuan Bio-Fiber yakabatana neFujian Xintongxing kuisa polylactic acid fiber kumachira ekupfeka kuchikoro. Basa rayo rakanaka rekupinza hunyoro uye dikita rinopetwa kasere kupfuura fibers dzepolyester dzakajairika. PLA fiber ine hunhu hwemabhakitiriya huri nani kupfuura dzimwe fibers. Kusimba kwefiber kunosvika 95%, izvo zviri nani kupfuura chero fibers dzemakemikari. Pamusoro pezvo, jira rakagadzirwa nepolylactic acid fiber rinodzivirira ganda uye harina hunyoro, rinodziya uye rinofema, uye rinogonawo kudzivirira mabhakitiriya nezvipembenene, uye rinodzivirira moto uye harina moto. Yunifomu dzechikoro dzakagadzirwa nejira iri dzinochengetedza nharaunda, dzakachengeteka uye dzinonyaradza.