Izindaba Zemboni
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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... -
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 zezakhamuzi, isidingo sazo siye sanda 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... -
Kuyini i-caustic soda?
Ohambweni olujwayelekile oluya esitolo esikhulu, abathengi bangase bathenge insipho, bathenge ibhodlela le-aspirin bese bebheka izihloko zakamuva emaphephandabeni nakomagazini. Uma uqala ukubona, kungase kubonakale sengathi lezi zinto azifani kakhulu. Kodwa-ke, ngayinye yazo, i-caustic soda idlala indima ebalulekile ohlwini lwezithako noma ezinqubweni zokukhiqiza. Iyini i-caustic soda? I-caustic soda iyinhlanganisela yamakhemikhali i-sodium hydroxide (NaOH). Le nhlanganisela iyi-alkali - uhlobo lwesisekelo esingaqeda ama-asidi futhi sincibilike emanzini. Namuhla i-caustic soda ingenziwa ngesimo sama-pellets, ama-flakes, ama-powder, izixazululo nokuningi. Isetshenziselwani i-caustic soda? I-caustic soda isibe isithako esivamile ekukhiqizweni kwezinto eziningi zansuku zonke. Ngokuvamile eyaziwa ngokuthi i-lye, isetshenziswe... -
Kungani i-Polypropylene isetshenziswa kaningi kangaka?
I-Polypropylene isetshenziswa kokubili ezisetshenziswa zasekhaya nasezimbonini. Izakhiwo zayo eziyingqayizivele kanye nekhono lokuzivumelanisa namasu ahlukahlukene okwenza izinto kuyenza ivelele njengezinto ezibalulekile zokusetshenziswa okubanzi. Esinye isici esibalulekile yikhono le-polypropylene lokusebenza njengezinto zepulasitiki kanye nefayibha (njengalezo zikhwama zokukhangisa ezinikezwa emicimbini, emijahweni, njll.). Ikhono eliyingqayizivele le-Polypropylene lokukhiqizwa ngezindlela ezahlukene kanye nezinhlelo zokusebenza ezahlukene lasho ukuthi ngokushesha yaqala ukuphonsela inselelo eziningi zezinto ezindala ezihlukile, ikakhulukazi embonini yokupakisha, ifayibha, kanye neyokubumba nge-injection. Ukukhula kwayo kuye kwaqhubeka iminyaka eminingi futhi isalokhu ingumdlali omkhulu embonini yepulasitiki emhlabeni jikelele. Kwa-Creative Mechanisms,... -
Ziyini izinhlayiya ze-PVC?
I-PVC ingenye yamapulasitiki asetshenziswa kakhulu embonini. I-Plasticol, inkampani yase-Italy eseduze neVarese ibilokhu ikhiqiza ama-granule e-PVC iminyaka engaphezu kwengu-50 manje futhi ulwazi oluqoqwe eminyakeni edlule luvumele ibhizinisi ukuthi lithole izinga elijulile lolwazi kangangokuthi manje singalisebenzisa ukwanelisa zonke izicelo zamakhasimende ezinikeza imikhiqizo emisha nethembekile. Iqiniso lokuthi i-PVC isetshenziswa kabanzi ekukhiqizeni izinto eziningi ezahlukene libonisa ukuthi izici zayo zangaphakathi ziwusizo kakhulu futhi zikhethekile. Ake siqale ukukhuluma ngokuqina kwe-PVC: impahla iqinile kakhulu uma ihlanzekile kodwa iba nezimo uma ixutshwe nezinye izinto. Lesi sici esihlukile senza i-PVC ifaneleke ekukhiqizeni imikhiqizo esetshenziswa emikhakheni ehlukene, kusukela esakhiweni esisodwa... -
I-glitter ebolayo ingaguqula imboni yezimonyo.
Ukuphila kugcwele ukupakishwa okukhazimulayo, amabhodlela ezimonyo, izitsha zezithelo nokunye okuningi, kodwa eziningi zazo zenziwe ngezinto ezinobuthi nezingenakusimama ezifaka isandla ekungcoleni kwepulasitiki. Muva nje, abacwaningi eNyuvesi yaseCambridge e-UK bathole indlela yokudala i-glitter eqhubekayo, engenabuthi futhi ebolayo evela ku-cellulose, isakhiwo esiyinhloko sezindonga zamaseli zezitshalo, izithelo nemifino. Amaphepha ahlobene ashicilelwe ephephabhukwini i-Nature Materials ngomhlaka-11. Yenziwe ngama-nanocrystals e-cellulose, le glitter isebenzisa umbala wesakhiwo ukushintsha ukukhanya ukuze ikhiqize imibala egqamile. Emvelweni, isibonelo, ukukhanya kwamaphiko e-butterfly kanye nezimpaphe ze-peacock kuyizinto ezinhle kakhulu zombala wesakhiwo, ongeke uphele ngemva kwekhulu leminyaka. Ngokusebenzisa amasu okuzihlanganisa, i-cellulose ingakhiqiza ... -
Iyini i-Polyvinyl chloride (PVC) paste Resin?
I-Polyvinyl chloride (PVC) paste Resin, njengoba igama lisho, ukuthi le resin isetshenziswa kakhulu ngesimo se-paste. Abantu bavame ukusebenzisa lolu hlobo lwe-paste njenge-plastisol, okuyisimo esiyingqayizivele se-PVC plastic esimweni sayo esingacutshungulwanga. Ama-resin e-paste avame ukulungiswa ngezindlela ze-emulsion kanye ne-micro-suspension. I-Polyvinyl chloride paste resin inosayizi omncane wezinhlayiya, futhi ukuthungwa kwayo kufana ne-talc, futhi ayishukumi. I-polyvinyl chloride paste resin ixutshwa ne-Plasticizer bese ivuselelwa ukuze kwakhiwe i-suspension eqinile, ebese yenziwa i-PVC paste, noma i-PVC plastisol, i-PVC sol, futhi yilolu hlobo lapho abantu besetshenziswa khona ukucubungula imikhiqizo yokugcina. Enkambisweni yokwenza i-paste, ama-filler ahlukahlukene, ama-diluent, ama-heat stabilizer, ama-foaming agent kanye nama-light stabilizer ayangezwa ngokuya nge ... -
Iyini i-PP Films?
IZAKHIWO I-Polypropylene noma i-PP iyi-thermoplastic eshibhile ecacile kakhulu, icwebezela kakhulu futhi inamandla amahle okubamba. Inephuzu lokuncibilika eliphakeme kune-PE, okwenza ifaneleke ezinhlelweni ezidinga ukuhlanza emazingeni okushisa aphezulu. Iphinde ibe nomswakama omncane kanye nokukhanya okuphezulu. Ngokuvamile, izakhiwo zokuvala ukushisa ze-PP azilungile njengeze-LDPE. I-LDPE inamandla okudabuka angcono kanye nokumelana nokushisa okuphansi. I-PP ingashintshwa ngensimbi okuholela ezimpahleni ezithuthukisiwe zokuvimba igesi zezinhlelo zokusebenza ezidinga kakhulu lapho isikhathi eside somkhiqizo sibalulekile. Amafilimu e-PP afaneleka kahle ezinhlobonhlobo zezinhlelo zokusebenza zezimboni, zabathengi, nezezimoto. I-PP ingaphinde isetshenziswe ngokugcwele futhi ingacutshungulwa kalula ibe eminye imikhiqizo eminingi yezinhlelo zokusebenza eziningi ezahlukene. Kodwa-ke, ngaphandle...