Isingeniso kuma-Hollow Glass Microspheres
Ingilazi encane microspheres (Ama-HGM) azinalutho, izinhlayiya eziyindilinga ngokuvamile ezenziwe ngezinto zengilazi ezisekelwe ku-silica noma ze-borosilicate, ngosayizi abahluka ngokujwayelekile 10 ku 300 ama-micrometer. Lezi zakhiwo ezincane zibonisa inhlanganisela yohlobo olulodwa lokuminyana okuphansi, high mechanical stamina, ukufakwa kwe-thermal, kanye nokumelana namakhemikhali, ukubenza babe nezinto ezihlukahlukene ngokwedlulele kuzo zonke izizinda zezimboni nezesayensi. Ukukhiqizwa kwazo kuhilela izindlela zokuklama ezinembile ezivumela ukulawula i-morphology, ukujiya kwegobolondo, kanye nevolumu ye-void yangaphakathi, ukunika amandla izinhlelo zokusebenza ezingokwezifiso endaweni ye-aerospace, ubunjiniyela be-biomedical, izinhlelo zamandla, nokunye okuningi. Lesi sihloko esifushane sinikeza ukubuyekezwa okuningiliziwe kwamasu amakhulu asetshenziselwa ukukhiqiza ama-microspheres engilazi angenalutho kanye nezithombe ezinhle kakhulu. 5 izinhlelo zokusebenza ezihamba phambili ezigqamisa amandla azo okuguqula ekuthuthukisweni kwezobuchwepheshe besimanje.
(Ingilazi encane microspheres)
Izindlela Zokukhiqiza Ze-Hollow Glass Microspheres
Ukwakhiwa kwama-microspheres engilazi angenalutho kungahlukaniswa kakhulu phakathi 3 izindlela eziyinhloko: i-sol-gel synthesis, fafaza ukomisa, kanye ne-emulsion-templateing. Indlela ngayinye inikezela ngezinzuzo ezihlukile ngokuphathelene nokuqina, ukufana kancane, kanye nokuvumelana nezimo, okuvumela ukwenziwa kube ngokwakho ngokusekelwe ezidingweni zokusetshenziswa ekugcineni.
Inqubo ye-sol-gel ingenye yezindlela ezivame ukusetshenziswa kakhulu zokukhiqiza ama-microspheres angenalutho anezakhiwo ezilawulwa ngokunembile.. Kule ndlela, umgogodla womhlatshelo– ngokuvamile yakhiwe ngezinhlamvu ze-polymer noma amabhamuza egesi– imbozwe ngejeli ye-silica precursor nge-hydrolysis kanye nokusabela kwe-condensation. Ukwelashwa okuphumelelayo kokushisa kususa izinto eziyinhloko ngenkathi kucindezela isembozo sengilazi, okuholela esakhiweni esiqinile esingenalutho. Le ndlela ivumela ukuguqulwa kwe-porosity, ukuminyana kodonga, kanye nekhemistri engaphezulu kodwa ngokuvamile idinga i-kinetics yokusabela eyinkimbinkimbi kanye nezikhathi zokuphatha ezinwetshiwe.
Enye indlela engasetshenziswa ngokwezimboni indlela yokumisa isifutho, okuhlanganisa ukwenza i-atomizing isitokwe esiwuketshezi esinezandulela ezakha ingilazi zibe amaconsi amakhulu, kuhambisana nokuhwamuka okusheshayo kanye nokubola okushisayo ngaphakathi kwegumbi elishisayo. Ngokuhlanganisa abameleli abafuthayo noma amakhompiyutha e-lathering esitokisini sokudla, izikhala zangaphakathi zingakhiqizwa, okubangela ukuthuthukiswa kwama-microspheres angenalutho. Nakuba le nqubo yenza ukukhiqizwa kwevolumu ephezulu, ukuthola ukuminyana okungaguquki kokumboza kanye nokuncipha kwamaphutha kuyaqhubeka ukuba yizinselelo zobuchwepheshe eziphindaphindayo.
Indlela yesithathu ekhangayo i-emulsion templating, lapho i-monodisperse izixazululo zamanzi ngamafutha zisebenza njengezifanekiso zokuthuthukiswa kwezinhlaka ezingenalutho. Abandulelayo be-silica bagxile ku-interface yomsebenzisi yamaconsi esixazululo, ukudala isembozo esincanyana ezungeze umgogodla we-liquid. Ukulandela ukubala noma ukususwa kwe-solvent, Kutholakala ama-microsphere angenalutho ahlukene. Le ndlela iphumelela kakhulu ekukhiqizeni izinhlayiya ezinobukhulu obuncane obujikelezayo kanye nokusebenza okufundekayo kodwa idinga ukwenziwa kahle ngokuqapha kwamasistimu aphuma ngaphandle kanye nezinkinga zokuhlangana kobuso..
Ngayinye yalezi zindlela zokukhiqiza inikela ngokusobala kwisitayela nasekusetshenzisweni kwama-microsphere engilazi angenalutho, ukuhlinzeka abaklami nabacwaningi amathuluzi adingekayo ukuthunga izakhiwo zezinto ezintsha ezisebenzayo.
Ukusetshenziswa Okumangalisayo 1: I-Lightweight Structural Composites ku-Aerospace Design
Esinye sezicelo ezinomthelela omkhulu wama-microspheres engilazi angenalutho kuncike ekusetshenzisweni kwawo njengezigcwalisi eziqinisayo emikhiqizweni eyinhlanganisela engasindi eyenzelwe izinhlelo zokusebenza zasemkhathini.. Uma ihlanganiswe kumatrices e-polymer njengama-epoxy resins noma ama-polyurethanes, Ama-HGM ehlisa kakhulu isisindo esiphelele ngenkathi egcina ubuqotho bezakhiwo ngaphansi kwenkatho eqinile yemishini. Lokhu ikakhulukazi kunenzuzo kumaphaneli endiza, ama-rocket fairings, nezinto zesathelayithi, lapho ukusebenza ngobuningi okuqondile kuthinta ukusetshenziswa kwegesi namandla okudonsa.
Ukwengeza, i-geometry eyindilinga yama-HGM ithuthukisa ukujikeleza kwengcindezi kuyo yonke i-matrix, ngenxa yalokho kukhulisa ukumelana nokukhathala kanye nomphumela wokumuncwa. Amagwebu okwenziwa athuthukile aqukethe ama-microspheres engilazi angenalutho empeleni abonise ukusebenza kahle komshini kuzo zombili izimo zokugcwalisa ezimile nezinempilo., ukubenza babe amathemba afanelekile okusetshenziswa kusithiyo esishisayo semikhumbi-mkhathi kanye nezingxenye zokunyakaza komkhumbi-ngwenya. Ucwaningo oluqhubekayo luyaqhubeka nokuhlola ama-hybrid compounds afaka ama-carbon nanotubes noma izendlalelo ze-graphene nama-HGM ukuze kuthuthukiswe izakhiwo zemishini nezokushisa..
Ukusetshenziswa Okujabulisayo 2: I-Thermal Insulation ku-Cryogenic Storage Systems
Ama-microsphere engilazi angenalutho ane-thermal conductivity ephansi ngokwemvelo ngenxa yokubonakala kwesikhala somoya esivalekile kanye nokudluliswa okuncane kokufudumala kwe-convective.. Lokhu kubenza basebenze ngendlela emangalisayo njengama-insulating e-cryogenic atmosphere njengeziqukathi ze-hydrogen eziwuketshezi, igesi encibilikisiwe (I-LNG) iziqukathi, kanye nozibuthe abakhulu abasetshenziswa ekucabangeni kokudlidliza kazibuthe (I-MRI) imishini.
Uma ifakwe phakathi kwamaphaneli afakwe ku-vacuum-insulated noma isetshenziswa njengokuqedwa okusekelwe ku-aerogel, Ama-HGM asebenza njengezithiyo ezisebenzayo zokushisa ngokunciphisa imisebe, conductive, kanye namadivayisi okudlulisa imfudumalo abambayo. Ukuguqulwa kobuso, njengemithi ye-silane noma izendlalelo ze-nanoporous, iphinde ikhulise i-hydrophobicity futhi ivikele ekungeneni komswakama, okubalulekile ukugcina ukusebenza kahle kwe-insulation emazingeni okushisa aphansi kakhulu. Ukuhlanganiswa kwama-HGM esizukulwaneni esilandelayo sezinto zokuhlanganisa i-cryogenic kumele intuthuko ebalulekile endaweni yokugcina amandla eyonga amandla kanye nezinketho zokuhamba zegesi ehlanzekile nohambo lwasemkhathini lobuchwepheshe besimanje..
Ukusetshenziswa Okumangalisayo 3: Ukulethwa Kwemithi Okuhlosiwe kanye Nama-ejenti Okwehlukana Kwezithombe Zemithi
Emkhakheni we-biomedicine, ama-microsphere engilazi angenalutho asephenduke izinkundla ezikhuthazayo zokulethwa kwemithi okuhlosiwe kanye nesithombe sokuxilonga. Ama-HGM asebenzayo angakwazi ukufaka ama-ejenti okwelapha ngaphakathi kwama-cores awo angenalutho futhi awakhulule ngempendulo ekuvuseleleni kwangaphandle njenge-ultrasound., izinkundla kazibuthe, noma ukuguqulwa kwe-pH. Leli khono lenza kube nokwenzeka ekwelapheni kwendawo okugula njengamaseli omdlavuza, lapho ukunemba kanye nokwehla ubuthi be-systemic kudingekile.
Ngaphezu kwalokho, Ama-HGM angafakwa ngezinto ezigqamisa umehluko njenge-gadolinium, iodine, noma odayi be-fluorescent ukuze basebenze njengama-multimodal imaging agents afaneleka nge-MRI, CT scan, kanye namasu optical imaging. I-biocompatibility yabo kanye nekhono lokuthwala zombili izici zokwelapha nokuxilonga kubenza babe amathemba adonsa amehlo ezinhlelo zokusebenza ze-theranostic.– lapho ukuxilongwa nokwelashwa kuhlanganiswe ngaphakathi kweplatifomu eyodwa. Izinyathelo zocwaningo ziphinde zithole okuhlukile okungonakaliswa ngokwemvelo kwama-HGM ukuze kwandiswe amandla awo emithini yokuvuselela kanye namathuluzi afakekayo..
Ukusetshenziswa Okumangalisayo 4: I-Radiation Shielding ku-Spacecraft kanye Nengqalasizinda Yenuzi
Ukuvikela imisebe kuyindaba ebucayi ezinhlosweni ze-deep-space nasezikhungweni zamandla enuzi, lapho ukuchayeka emisebeni ye-gamma kanye nemisebe ye-neutron kubangela izinsongo ezinkulu. Ama-microsphere engilazi angenalutho anenombolo ye-athomu ephezulu (Z) izici ezifana nomthofu, i-tungsten, noma i-barium ihlinzeka ngekhambi elinoveli ngokunikeza ukuncishiswa kwemisebe okuthembekile ngaphandle kokufaka isisindo esiningi ngokweqile.
Ngokushumeka lawa ma-microspheres khona kanye kuzinhlanganisela ze-polymer noma kumatrices e-ceramic, ososayensi baye bakha ezivumelana nezimo, imikhiqizo engasindi yokuvikela ilungele ukulingana kosomkhathi, izindawo zokuhlala zenyanga, kanye nezinhlaka zokuqukethwe kwe-reactor. Ngokungafani nezinto ezivamile zokuvikela njengomthofu noma ukhonkolo, Izinhlanganisela ezisuselwe ku-HGM zigcina ubuqotho bezakhiwo ngenkathi zinikeza ukuhamba okuthuthukisiwe kanye nokukhiqizwa kalula. Intuthuko eqhubekayo ezindleleni ze-doping kanye nesakhiwo esiyinhlanganisela kulindeleke ukuthi ithuthukise amandla okuphepha emisebeni yalezi zinto zokuhlola indawo esikhathini esizayo kanye nokuphepha nokuphepha kwezikhali zenuzi emhlabeni..
( Ingilazi encane microspheres)
Ukusetshenziswa Kwemilingo 5: Izingubo Ezihlakaniphile Nemikhiqizo Yokuziphilisa
Ama-microsphere engilazi angenalutho empeleni aguqule ukuthuthukiswa kwezembozo ezihlakaniphile ezinekhono lokuzilungisa.. Lawa ma-microspheres angalayishwa ngabamele ukuphulukisa njengokuvimbela ukugqwala, izinhlaka, noma ama-antimicrobial compounds. Phezu kokulimala komshini, ama-microspheres ayaqhekeka, ukukhulula izinto ezihlanganisiwe ukuze kuvikeleke ukuphuka nokubuyisela ukwethembeka okumboziwe.
Lokhu okusha kuthole izinhlelo zokusebenza eziwusizo ezingqimbeni zasemanzini, opende bezimoto, kanye nezingxenye ze-aerospace, lapho ukuqina okuhlala isikhathi eside ngaphansi kwezinkinga ezinzima zemvelo kubalulekile. Ukwengeza, imikhiqizo yokuguqula isigaba efakwe ngaphakathi kwe-HGM yenza kube nokwenzeka ukumbozwa okulawula izinga lokushisa okuhlinzeka ngokuphatha okushisayo kwezakhiwo, izinto zikagesi, kanye nezinto ezigqokekayo. Njengoba ucwaningo luqhubeka, ukufakwa kwama-polymers asabelayo kanye nezithasiselo ezisebenzayo ezinhlobonhlobo ze-HGM-based coatings kuqinisekisa ukuvula izizukulwane ezintsha zezinhlelo zomkhiqizo eziguquguqukayo nezihlakaniphile..
Isiphetho
Ama-microsphere engilazi angenalutho abonisa ukuhlanganiswa kwesayensi yemikhiqizo ethuthukisiwe kanye nedizayini enemisebenzi eminingi. Izindlela zabo ezihlukahlukene zokukhiqiza zenza kube nokwenzeka ukulawula okuqondile phezu kwamakhaya angokwenyama namakhemikhali, ukwenza kube lula ukusetshenziswa kwazo ezinkombeni zesakhiwo ezisebenza kahle kakhulu, ukufakwa kwe-thermal, ukuhlolwa komtholampilo, ukuzivikela ngemisebe, kanye nemikhiqizo yokuziphilisa. Njengoba izinto ezintsha zisazovela, i “ukuthakatha” ukusebenziseka kalula kwama-microsphere engilazi angenalutho kuzothuthukisa ngokungangabazeki kuzo zonke izimakethe, ukwakha ikusasa lesitayela somkhiqizo esimeme nesihlakaniphile.
Umphakeli
I-RBOSCHCO ingumnikezeli wempahla yamakhemikhali othembekile emhlabeni jikelele & umkhiqizi one-over 12 isipiliyoni seminyaka ekuhlinzekeni amakhemikhali ekhwalithi ephezulu kakhulu namaNanomaterials. Inkampani ithumela emazweni amaningi, njenge-USA, Canada, EYurophu, I-UAE, Iningizimu Afrika,eTanzania,Kenya,iGibhithe,eNigeria,eCameroon,Uganda,igalikuni,Mexico,I-Azerbaijan,EBelgium,eKhupro,I-Czech Republic, Brazil, eChile, E-Argentina, I-Dubai, Japan, Korea, Vietnam, Thailand, I-Malaysia, I-Indonesia, Australia,EJalimane, France, Italy, Portugal njll. Njengomkhiqizi ohamba phambili wokuthuthukiswa kwe-nanotechnology, I-RBOSCHCO ibusa imakethe. Ithimba lethu lomsebenzi ochwepheshe linikeza izixazululo eziphelele ukusiza ukuthuthukisa ukusebenza kahle kwezimboni ezihlukahlukene, dala inani, futhi ubhekane kalula nezinselele ezihlukahlukene. Uma ufuna ama-microspheres angenalutho, sicela uthumele i-imeyili ku: [email protected]
Omaka: Ingilazi encane microspheres, Ingilazi encane microspheres
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