Izindaba
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Imakethe ye-PVC Paste Resin.
Ukwanda Kwesidingo Semikhiqizo Yokwakha Ukuze Kuqhutshwe Imakethe Yomhlaba Wonke Ye-PVC Paste Resin Ukwanda kwesidingo sezinto zokwakha ezingabizi kakhulu emazweni asathuthuka kulinganiselwa ukuthi kuzokhulisa isidingo se-PVC paste resin kula mazwe eminyakeni embalwa ezayo. Izinto zokwakha ezisekelwe ku-PVC paste resin zithatha indawo yezinye izinto ezivamile njengokhuni, ukhonkolo, ubumba, nensimbi. Le mikhiqizo kulula ukuyifaka, imelana nezinguquko zesimo sezulu, futhi ayibizi kakhulu futhi inesisindo esilula kunezinto ezivamile. Ziphinde zinikeze izinzuzo ezahlukahlukene ngokusebenza. Ukwanda kwenani lezinhlelo zocwaningo lwezobuchwepheshe kanye nentuthuko ezihlobene nezinto zokwakha ezingabizi kakhulu, ikakhulukazi emazweni asathuthuka, kulindeleke ukuthi kuthuthukise ukusetshenziswa kwe-PVC... -
Ukuhlaziywa kwezinguquko ekusetshenzisweni kwe-PE esikhathini esizayo.
Njengamanje, ukusetshenziswa okuyinhloko kwe-polyethylene ezweni lakithi kufaka phakathi ifilimu, ukubumba ngomjovo, ipayipi, umgodi, ukudweba ngocingo, ikhebula, i-metallocene, ukugqoka kanye nezinye izinhlobo eziyinhloko. Okokuqala ukuthwala umthwalo omkhulu, ingxenye enkulu yokusetshenziswa okuphansi yifilimu. Embonini yemikhiqizo yamafilimu, okuyinhloko yifilimu yezolimo, ifilimu yezimboni kanye nefilimu yokupakisha imikhiqizo. Kodwa-ke, eminyakeni yamuva nje, izici ezifana nemikhawulo yezikhwama zepulasitiki kanye nokuncipha okuphindaphindiwe kwesidingo ngenxa yobhubhane ziye zabakhathaza ngokuphindaphindiwe, futhi babhekene nesimo esihlazisayo. Isidingo semikhiqizo yamafilimu epulasitiki elahlwayo yendabuko sizoshintshwa kancane kancane ngokuthandwa kwamapulasitiki abolayo. Abakhiqizi abaningi bamafilimu nabo babhekene nokusungulwa kobuchwepheshe bezimboni... -
Ukukhiqizwa kwe-Caustic Soda.
I-Caustic soda (NaOH) ingenye yezitoko zokudla zamakhemikhali ezibaluleke kakhulu, enokukhiqizwa okuphelele konyaka okungu-106t. I-NaOH isetshenziswa kumakhemikhali e-organic, ekukhiqizweni kwe-aluminium, embonini yephepha, embonini yokucubungula ukudla, ekukhiqizweni kwezinsipho, njll. I-Caustic soda ingumkhiqizo ohlangene ekukhiqizweni kwe-chlorine, okungu-97% okwenzeka nge-electrolysis ye-sodium chloride. I-Caustic soda inomthelela omkhulu ezintweni eziningi zensimbi, ikakhulukazi emazingeni okushisa aphezulu kanye nokugxila. Nokho, sekuyisikhathi eside kwaziwa ukuthi i-nickel ibonisa ukumelana okuhle kakhulu nokugqwala ku-caustic soda kuzo zonke izingqimba kanye nokushisa, njengoba uMfanekiso 1 ubonisa. Ngaphezu kwalokho, ngaphandle kwezingqimba kanye nokushisa okuphezulu kakhulu, i-nickel ayivikelekile ekucindezelekeni okubangelwa yi-caustic... -
Ukusetshenziswa okuyinhloko kwe-resin ye-pvc yokunamathisela.
I-Polyvinyl chloride noma i-PVC uhlobo lwe-resin olusetshenziswa ekukhiqizweni kwerabha nepulasitiki. I-resin ye-PVC itholakala ngombala omhlophe kanye nesimo sempuphu. Ixutshwa nezithasiselo kanye nama-plasticizers ukwenza i-resin ye-PVC paste. I-resin ye-PVC paste isetshenziselwa ukumboza, ukucwilisa, ukugqwala, ukufutha, kanye nokwenza ukujikeleza. I-resin ye-PVC paste iwusizo ekukhiqizweni kwemikhiqizo eyahlukahlukene enenani elingeziwe njengezimbozo zaphansi nezindonga, isikhumba sokwenziwa, izendlalelo zobuso, amagilavu, kanye nemikhiqizo yokubumba i-slush. Izimboni ezinkulu zabasebenzisi be-resin ye-PVC paste zihlanganisa ukwakhiwa, izimoto, ukuphrinta, isikhumba sokwenziwa, kanye namagilavu ezimboni. I-resin ye-PVC paste isetshenziswa kakhulu kulezi zimboni, ngenxa yezakhiwo zayo zomzimba ezithuthukisiwe, ukufana, ukukhanya okuphezulu, kanye nokukhanya. I-resin ye-PVC paste ingenziwa ngokwezifiso... -
17.6 billion! I-Wanhua Chemical imemezela ngokusemthethweni ukutshalwa kwezimali kwamanye amazwe.
Ngobusuku bangoDisemba 13, i-Wanhua Chemical ikhiphe isimemezelo sokutshalwa kwezimali kwamanye amazwe. Igama lomgomo wokutshalwa kwezimali: Iphrojekthi ye-ethylene ye-Wanhua Chemical engamathani ayizigidi ezingu-1.2 ngonyaka kanye nephrojekthi ye-polyolefin ephezulu engezansi, kanye nenani lokutshalwa kwezimali: ukutshalwa kwezimali okuphelele okungu-17.6 billion yuan. Imikhiqizo ephezulu engezansi embonini ye-ethylene yezwe lami incike kakhulu ekungenisweni kwempahla. Ama-polyethylene elastomers ayingxenye ebalulekile yezinto ezintsha zamakhemikhali. Phakathi kwazo, imikhiqizo ephezulu ye-polyolefin efana ne-polyolefin elastomers (POE) kanye nezinto ezikhethekile ezihlukanisiwe zincike ngo-100% ekungenisweni kwempahla. Ngemuva kweminyaka eminingi yokuthuthukiswa kobuchwepheshe obuzimele, inkampani isiyazi kahle ubuchwepheshe obufanele. Inkampani ihlela ukusebenzisa iphrojekthi yesigaba sesibili se-ethylene eYantai Ind... -
Izinkampani zemfashini nazo zidlala ngebhayoloji yokwenziwa, lapho iLanzaTech yethula ingubo emnyama eyenziwe nge-CO₂.
Akukhona ukweqisa ukusho ukuthi i-biology yokwenziwa isingene kuzo zonke izici zokuphila kwabantu. I-ZymoChem isizokwakha ijakethi yokuskiya eyenziwe ngoshukela. Muva nje, uhlobo lwezingubo zemfashini luqalise ingubo eyenziwe nge-CO₂. I-Fang yi-LanzaTech, inkampani ye-biology yokwenziwa evelele. Kuyaqondakala ukuthi lokhu kubambisana akuyona "i-crossover" yokuqala ye-LanzaTech. Kusukela ngoJulayi kulo nyaka, i-LanzaTech yabambisana nenkampani yezingubo zezemidlalo i-Lululemon futhi yakhiqiza uboya nendwangu yokuqala emhlabeni esebenzisa izindwangu ezisetshenziswa kabusha zokukhipha ikhabhoni. I-LanzaTech iyinkampani yezobuchwepheshe be-biology yokwenziwa etholakala e-Illinois, e-USA. Ngokusekelwe ekuqongeleleni kwayo kobuchwepheshe ku-biology yokwenziwa, i-bioinformatics, ubuhlakani bokwenziwa kanye nokufunda komshini, kanye nobunjiniyela, i-LanzaTech ithuthukise... -
Izindlela Zokuthuthukisa Izakhiwo ze-PVC - Indima Yezithasiselo.
I-resin ye-PVC etholakala ku-polymerization ayizinzile kakhulu ngenxa yokuqina kwayo okuphansi kokushisa kanye ne-viscosity ephezulu yokuncibilika. Idinga ukuguqulwa ngaphambi kokucutshungulwa ibe yimikhiqizo eqediwe. Izakhiwo zayo zingathuthukiswa/ziguqulwe ngokungeza izithasiselo eziningana, njengezithasiselo zokushisa, izithasiselo ze-UV, ama-plasticizer, ama-impact modifiers, ama-fillers, ama-flame retardants, ama-pigment, njll. Ukukhethwa kwalezi zithasiselo zokuthuthukisa izakhiwo ze-polymer kuncike emfunweni wokusetshenziswa kokugcina. Isibonelo: 1. Ama-Plasticizers (ama-Phthalates, ama-Adipates, ama-Trimellitate, njll.) asetshenziswa njengezinto zokuthambisa ukuthuthukisa ukusebenza kwe-rheological kanye nokusebenza komshini (ukuqina, amandla) kwemikhiqizo ye-vinyl ngokunyusa izinga lokushisa. Izici ezithinta ukukhethwa kwama-plasticizers e-vinyl polymer yilezi: I-Polymer iyahambisana... -
Umhlangano weqembu lonke likaChemdo ngomhlaka-12/12.
Ntambama yangomhla ziyi-12 kuZibandlela, iChemdo ibambe umhlangano weqembu. Okuqukethwe umhlangano kuhlukaniswe izingxenye ezintathu. Okokuqala, ngenxa yokuthi iShayina ikhulule ukulawulwa kwe-coronavirus, umphathi jikelele ukhiphe uchungechunge lwezinqubomgomo zenkampani zokubhekana nalolu bhubhane, futhi wacela wonke umuntu ukuba alungiselele imithi futhi anake ukuvikelwa kwasebekhulile nezingane emakhaya. Okwesibili, umhlangano ofingqiwe wokuphela konyaka uhlelelwe ukubanjwa ngoDisemba 30, futhi wonke umuntu kudingeka athumele imibiko yokuphela konyaka ngesikhathi. Okwesithathu, kuhlelelwe ukubamba isidlo sakusihlwa sokuphela konyaka senkampani kusihlwa sangomhla zingama-30 kuZibandlela. Kuzoba nemidlalo kanye neseshini yelotho ngaleso sikhathi futhi ngithemba ukuthi wonke umuntu uzohlanganyela ngenkuthalo. -
Isihlalo esiphrintiwe nge-polylactic acid 3D esiguqula umcabango wakho.
Eminyakeni yamuva nje, ubuchwepheshe bokuphrinta be-3D bungabonakala emikhakheni eyahlukene yezimboni, njengezingubo, izimoto, ukwakhiwa, ukudla, njll., bonke bangasebenzisa ubuchwepheshe bokuphrinta be-3D. Eqinisweni, ubuchwepheshe bokuphrinta be-3D babusetshenziswa ekukhiqizweni okwandayo ezinsukwini zokuqala, ngoba indlela yabo esheshayo yokwenza amaphrothokholi inganciphisa isikhathi, amandla abasebenzi kanye nokusetshenziswa kwezinto zokusetshenziswa. Kodwa-ke, njengoba ubuchwepheshe bukhula, umsebenzi wokuphrinta kwe-3D awugcini nje ngokwandisa. Ukusetshenziswa kabanzi kobuchwepheshe bokuphrinta be-3D kudlulela efenisha eseduze kakhulu nempilo yakho yansuku zonke. Ubuchwepheshe bokuphrinta be-3D bushintshe inqubo yokukhiqiza ifenisha. Ngokwesiko, ukwenza ifenisha kudinga isikhathi esiningi, imali kanye namandla abasebenzi. Ngemva kokuba umkhiqizo weprotokholi ukhiqizwe, udinga ukuhlolwa njalo futhi uthuthukiswe. Ho... -
Ukuhlaziywa Kwezinguquko Zezinhlobo Zokusetshenziswa Kwe-PE Ezingaphansi Kwesikhathi Esizayo.
Njengamanje, umthamo wokusetshenziswa kwe-polyethylene ezweni lakithi mkhulu, futhi ukuhlukaniswa kwezinhlobo zemikhiqizo yepulasitiki kuyinkimbinkimbi futhi kuthengiswa ngqo kubakhiqizi bemikhiqizo yepulasitiki. Ingowomkhiqizo wokugcina ongaphelele ochungechungeni lwemboni olungezansi lwe-ethylene. Uma kuhambisana nomthelela wokuhlushwa kwesifunda kokusetshenziswa kwasekhaya, igebe lokuhlinzekwa kwesifunda kanye nesidingo alilingani. Ngokwanda okugxilile kwamandla okukhiqiza kwamabhizinisi okukhiqiza e-polyethylene ezweni lami eminyakeni yamuva nje, uhlangothi lokuhlinzekwa lukhuphuke kakhulu. Ngesikhathi esifanayo, ngenxa yokuthuthuka okuqhubekayo kokukhiqiza kanye nezindinganiso zokuphila zabahlali, isidingo sabo sikhule kancane kancane eminyakeni yamuva nje. Kodwa-ke, kusukela engxenyeni yesibili ka-202... -
Yiziphi izinhlobo ezahlukene ze-polypropylene?
Kunezinhlobo ezimbili eziyinhloko ze-polypropylene ezitholakalayo: ama-homopolymer nama-copolymer. Ama-copolymer ahlukaniswe kabanzi ngama-block copolymer nama-random copolymers. Isigaba ngasinye sifanelana kangcono nezinye izinhlelo zokusebenza ezithile. I-Polypropylene ivame ukubizwa ngokuthi "insimbi" yemboni yepulasitiki ngenxa yezindlela ezahlukahlukene ezingashintshwa ngazo noma ezenziwe ngezifiso ukuze zifeze kangcono injongo ethile. Lokhu kuvame ukufezwa ngokungenisa izithasiselo ezikhethekile kuyo noma ngokuyikhiqiza ngendlela ethile kakhulu. Lokhu kuvumelana nezimo kuyimpahla ebalulekile. I-Homopolymer polypropylene iyizinga lenhloso ejwayelekile. Ungacabanga ngalokhu njengesimo esizenzakalelayo sezinto ze-polypropylene. I-block copolymer polypropylene inamayunithi e-co-monomer ahlelwe ngamabhulokhi (okungukuthi, ngephethini evamile) futhi aqukethe noma yikuphi... -
Yiziphi Izici Ze-Polyvinyl Chloride (PVC)?
Ezinye zezimpawu ezibaluleke kakhulu zePolyvinyl Chloride (PVC) yilezi: Ubuningi: I-PVC iminyene kakhulu uma iqhathaniswa neningi lamapulasitiki (amandla adonsela phansi azungeze u-1.4) Ezomnotho: I-PVC itholakala kalula futhi ishibhile. Ukuqina: I-PVC eqinile ifaneleka kahle ngokuqina nokuqina. Amandla: I-PVC eqinile inamandla amahle kakhulu okudonseka. I-Polyvinyl Chloride iyinto "ye-thermoplastic" (ngokungafani ne-"thermoset"), ehlobene nendlela ipulasitiki esabela ngayo ekushiseni. Izinto ze-Thermoplastic ziba uketshezi endaweni yazo yokuncibilika (ububanzi be-PVC phakathi kwama-degree Celsius aphansi kakhulu ayi-100 namanani aphezulu afana nama-degree Celsius angama-260). Isici esiwusizo esiyinhloko ngama-thermoplastic ukuthi angashiswa afike endaweni yawo yokuncibilika, apholiswe, futhi aphinde ashiswe futhi nge...