Uma inqubo yakho yokukhiqiza incike ku-colloidal silica enokusebenza okuphezulu, usuvele wazi ukuthi akubona bonke abahlinzeki abaletha izinga elifanayo lokungaguquguquki. Noma ngabe usemkhakheni wokupolisha okunembile, ukukhiqiza ama-catalyst, noma izembozo ezikhethekile, ikhwalithi yokusabalalisa kwe-silica yakho ithinta ngqo umkhiqizo wakho wokugcina. Eminyakeni eyishumi edlule, imakethe yomhlaba wonke ye-colloidal silica ibilokhu ikhuphuka ngokungaguquki — imibiko yakamuva yezimboni ibeka inani layo cishe ku-USD 1.2 billion ngo-2024, futhi izilinganiso ziphakamisa ukuthi izodlula i-USD 2.1 billion ngonyaka ka-2032. Lokhu kukhula kuqhutshwa yisidingo esivela emikhakheni ye-elekthronikhi, yezimoto, kanye nokucubungula amakhemikhali. Kodwa nansi into: njengoba imakethe ikhula, kanjalo nesidingo sabahlinzeki abathembekile abangakwazi ukuletha ubukhulu bezinhlayiya obufanayo, ukungcola okuphansi kwezinsimbi, nokuzinza kwesikhathi eside. Yilapho i-Shandong Zhonglian Chemical ingena khona.

Asilona nje umkhiqizi ojwayelekile. Singumkhiqizi ozinikele we-silica oneminyaka yobuhlakani obusebenzayo ekucwengiseni i-colloidal silica yezinhlelo zokusebenza eziyinselele zemikhakha yezimboni. Imigqa yethu yokukhiqiza yakhelwe ukuphatha ama-oda amakhulu ngaphandle kokunciphisa ubumsulwa noma ukuvumelana kwezinhlayiya. Futhi ngokweqiniso, lowo dumela awuzange uvele ngobusuku obubodwa — uvela ekusebenzeni eduze namakhasimende emazweni angaphezu kwama-30 nokuqhubeka nokuthuthukisa izinqubo zethu. Uma ubunengqinamba yokuhluka phakathi kwezikhathi zokukhiqiza noma ubhekene nenselelo yokuthola umthengisi oqonda ngempela izidingo zakho zobuchwepheshe, lesi sihloko sizokuhambisa ekutholeni ukuthi yini eyenza i-Zhonglian ibe ukukhetha okuqinile kobudlelwano besikhathi eside.

I-SHandong Zhonglian Chemical Co., Ltd. ingumkhiqizi waseShayina ogxile emikhiqizweni ye-silicon dioxide, okuhlanganisa i-silica yezinga lokudla, izithasiselo zekhwalithi yemithi, kanye ne-colloidal silica yezinga lezimboni. Sisebenzisa izindawo zokukhiqiza ezinobuchwepheshe obuphambili ezisekelwa yithimba le-R&D elizinikele elihlala lisebenza ekuthuthukiseni ukusatshalaliswa kobukhulu bezinhlayiya kanye namakhemikhali angaphezulu. Isitshalo sethu siqinisekisiwe nge-ISO 9001, okusho ukuthi yonke ibhetshi iyahlolwa ngokwezinga elifanayo ngaphambi kokuba ishiye ifektri. Eminyakeni edlule, siye sandisa uhlu lwemikhiqizo yethu ukuze sihlanganise izinhlobo ezingaphezu kuka-150 ze-silica, kusukela kuma-anti-caking agents kuya kuma-nano-scale dispersions. Ungathola umqondo ongcono wamandla ethu wonke kwiwebhusayithi yethu.Mayelana Nathi ikhasi.

Okwehlukanisa thina nabanye abahlinzeki emakethe ukugxila kwethu ekusebenzeni kwangempela emhlabeni. Asithengisi nje i-colloidal silica njengomkhiqizo wamakhemikhali ojwayelekile — sisebenza namakhasimende ukuze siqonde izidingo zawo eziqondile ze-viscosity, izidingo ze-pH, kanye nezindawo zokusebenza. Isibonelo, uma udinga i-dispersion enokusabalalisa okuncane kwezinhlayiyana zokupolisha i-semiconductor, ithimba lethu lobuchwepheshe lingalungisa imingcele yokwakheka ngokufanele. Siphinde satshala imali enkulu emishinini yokuhlaziya efana ne-laser diffraction particle size analyzers kanye ne-ICP-MS yokuhlola ukungcola kwezinsimbi. Lelo zinga lokulawula libalulekile uma uhlinzeka izimboni lapho ukuhluka okungu-0.1% kungadala izinkinga zokukhiqiza. Ukuze ubuke uhlu lwethu oluphelele lwemikhiqizo, bheka okwethu.Imikhiqizo ikhasi.

Umongo wenhloso yethu yokunikeza inani ulula: siletha i-colloidal silica enobumsulwa obuphezulu, ubukhulu bezinhlayiya obungaguquki, nokuzinza okuhle kakhulu. Ububanzi bethu obujwayelekile bobukhulu bezinhlayiya buvela ku-10 nm kuya ku-100 nm, kodwa singakwazi ukulungisa izinhloso ezithile ngokuya ngokusetshenziswa. Kumakhasimende asebenza nezinye izindlela ze-ludox noma afuna i-colloidal anhydrous silica, sinikeza izinhlanganisela ezihambisana noma ezedlula ukusebenza kwemikhiqizo eyaziwayo. Umehluko omkhulu ukuthi lokhu sikufeza ngaphandle kokukhuphula intengo — ukusebenza kahle kwethu ekukhiqizeni kusivumela ukuthi sihlale sincintisana ngezindleko ngenkathi sigcina izimiso eziqinile. Ukuba khona kwezinsimbi ezingcolile eziphansi kuyisici esingaxoxisani emikhiqizweni yethu, ikakhulukazi ezinhlelweni zekhwalithi ye-elekthronikhi lapho umkhondo we-sodium, i-iron, noma i-aluminium ungabhubhisa i-polishing slurry.

Enye indawo eqinile ukuzinza kwempilo yeshelufu. Esinye sezikhalazo ezivamile esizizwa kubathengi mayelana ne-generic colloidal silica ukuthi i-dispersion ivame ukujiya noma ukuhlala phansi ngokuhamba kwesikhathi. Sikulungisa lokho ngokuthuthukisa uhlelo lwe-stabilizer nokulawula ukushaja kwendawo yezinhlayiya. Noma ngabe udinga i-alkaline dispersion noma i-formulation ene-asidi encane, singafanisa i-pH ukuze i-colloid ihlale izinzile ngesikhathi sokugcina nokuthutha. Uma njengamanje usebenzisa i-ludox hs40 enqubweni yakho futhi ufuna ukuhlola enye indlela enokusebenza okufanayo, ithimba lethu lobuchwepheshe lingakuthumela isampula ukuze wenze ukuqhathanisa eceleni. Simi ngomkhiqizo wethu wekhwalithi, futhi siqinisekile ukuthi uzobona umehluko.

Ake sikhulume ngalokho okubalulekile uma uthola i-colloidal silica ngobuningi. Okokuqala, izitifiketi. Sinayo isitifiketi se-ISO 9001, okuyisisekelo sanoma yimuphi umkhiqizi ozimisele. Kodwa ngale kwesitifiketi, lokho okusho ukuthi izinqubo zethu zokukhiqiza ziyabhalwa, ziyahlolwa, futhi zithuthukiswa njalo. Yonke ibatch iyalandeleka, futhi sigcina imininingwane eminingi yezinto ezingavuthiwe, imingcele yokucubungula, kanye nemiphumela yokuhlola ikhwalithi. Lelo zinga lokubonakala lisiza amakhasimende ethu ukuthi aphumelele ekuhloleni kwabo kwabahlinzeki ngaphandle kwezinkinga.

Okwesibili, ukonga izindleko. Ngenxa yokuthi silawula wonke umkhakha wokukhiqiza — kusukela ekutholeni i-silica eluhlaza kuze kube ukupakishwa kokugcina — siqeda ukukhushulwa kwamanani abathengisi abaphakathi. Izimboni zethu zitholakala ezindaweni ezinemithombo yezinto zokusebenza ezisezingeni eliphezulu kanye nengqalasizinda yamandla, okwehlisa izindleko zokukhiqiza. Leyo mali esiyongayo siyidlulisela ngqo kumakhasimende ethu. Akudingeki ukhethe phakathi kwekhwalithi nentengo uma usebenza nathi. Okwesithathu, uchungechunge lwethu lokuhambisa izimpahla lwakhelwe ukuthembeka. Sithumele emazweni angaphezu kwama-30 e-Asia, eYurophu, eMelika, naseMpumalanga Ephakathi. Siyayiqonda izidingo zokuthunyelwa kwamazwe ngamazwe, imibhalo, kanye nokukhishwa kwempahla enteleni. Noma ngabe udinga ikhontena engamathani angama-20 noma umgqomo wokuhlola, siyakwazi ukuphatha ukuthuthwa kwempahla. Ukuze uthole izibuyekezo zakamuva zenkampani kanye nolwazi lomkhakha, vakashela iwebhusayithi yethu.Izindaba ikhasi.

I-silica colloidal ingenye yezinto ezisebenza buthule emikhiqizweni eminingi yezobuchwepheshe. Esinye sezinhlelo zokusebenza ezinkulu ukupolisha ngokunemba, ikakhulukazi ezimbonini ze-semiconductor nezibonakalayo. Ku-chemical mechanical planarization (CMP), ama-slurries e-silica colloidal asetshenziselwa ukwenza ama-silicon wafer abe yisicaba ngokunemba okulingana ne-nanometer. Ukusatshalaliswa kobukhulu bezinhlayiya, ukuma, kanye nobulukhuni konke kunomthelela ezingeni lokususa kanye nasekupheleni kwendawo. Ama-dispersion ethu enziwe ukuze anikeze ukusebenza okungaguquki kokupolisha ngokuklwebheka okuncane. Uma uthuthukisa i-CMP slurry, singasebenza nawe ukuze silungise ubukhulu bezinhlayiya kanye nokugxila ukuze kuhambisane ne-pad yakho nezimo zenqubo yakho.

Okunye ukusetshenziswa okukhulu ukusekela izinto ezikhuthaza ukusabela kwamakhemikhali. I-Colloidal anhydrous silica ivame ukusetshenziswa njengento ethwala izinto ezikhuthaza ukusabela kwamakhemikhali emishinini yamakhemikhali ngenxa yendawo yayo ephezulu nokuzinza kwayo ekushiseni. Isakhiwo esifanayo se-pore sisiza ukusabalalisa izinhlayiya zensimbi ezisebenzayo ngokulinganayo, okuthuthukisa ukusebenza kahle kanye nokuphila isikhathi eside. Sihlinzeke ama-silica sols kubakhiqizi bezinto ezikhuthaza ukusabela, abese bewafaka nge-platinum, palladium, noma ezinye izinsimbi eziyigugu. Amazinga aphansi okungcola ku-colloidal silica yethu avimbela ukusabela okungafunwa okungabangela ukuthi into yokukhuthaza ukusabela ingasebenzi. I-Coatings iyindawo yesithathu enkulu. Kusukela ekufakweni okungakhanyisi engilazini kuya ekufakweni kwe-barrier kumafilimu okupakisha, i-colloidal silica yengeza ubulukhuni, ukumelana nokuklwebheka, kanye nezinto ezivimbela ukuvaleka. Imikhiqizo yethu ihlangana kahle nezindlela zokufaka ezinamanzi nezincibilikisiwe. Ungabona ezinye zalezi zinto ezisetshenziswayo kwiwebhusayithi yethu.Ividiyo ikhasi.

Ekugcineni kosuku, ukuthola i-colloidal silica akukhona nje ukuthola intengo ephansi kakhulu ngelitha. Kumayelana nokuthola umlingani oqonda inqubo yakho, ohlinzeka ngekhwalithi engaguquki, futhi ovela lapho umdinga khona. Siyakhe ibhizinisi lethu ngalowo mqondo ncamashi. Ithimba lethu le-R&D lihlala likhona ukuxazulula izinkinga zobuchwepheshe, futhi ithimba lethu lokuthengisa likhuluma ulimi lwezohwebo lwamazwe ngamazwe. Asizami ukuba ngumdlali omkhulu emakethe — sizama ukuba ngoyena othembekile kumakhasimende ethu.

Uma uhlola abahlinzeki abasha bezidingo zakho ze-colloidal silica, siyakumema ukuthi usizame. Qala ngokuvakashela i-Ikhaya ikhasi ukuze uthole umbono ojwayelekile wenkampani yethu. Bese, usithumele umlayezo noma ucele isampula ngekhasi lethu lokuxhumana. Sizosebenza nawe ukuthola ukwakheka namanani afanele isicelo sakho. Akukho ingcindezi, akukho ukuthengisa kanzima — nje imikhiqizo emihle nokuxhumana okuqotho.

I-colloidal silica isetshenziswa kabanzi ekupolishi okunembile (i-CMP yama-semiconductors), njengesibopho ekusekeleni izinto ezikhuthaza ukusabela kwamakhemikhali, embozweni evikelayo nengabonisi ukukhanya, njenge-agent evimbela ukunamathela kumafilimu epulasitiki, nasekwenzeni izinto ngokuthela. Indawo yayo ephezulu kanye nobukhulu bezinhlayiyana obufanayo kuyenza ibe yigugu ezimbonini zikagesi, zezimoto, nezokukhiqiza amakhemikhali.

I-colloidal silica iwukuhlakazwa kwezinhlayiyana ze-silica ezingenasakhiwo esiqinile emanzini, ngokuvamile emanzini, ezinobukhulu bezinhlayiyana obusuka ku-10 kuye ku-100 nm. I-fumed silica, ngakolunye uhlangothi, iwumphupha owomile, othambile okhiqizwa ngokushiswa kwamakhemikhali ngomlilo. Nakuba zombili ziyizinhlobo ze-silicon dioxide, ukuphathwa kwazo, indlela ezihlakazeka ngayo, kanye nokusetshenziswa kwazo kuhluke kakhulu. I-colloidal silica ikhethwa ezinqubweni ezimanzi ezinjengokupolisha nokumboza.

I-Ludox igama lomkhiqizo womugqa wemikhiqizo ye-colloidal silica eyasungulwa yi-DuPont. Yaziwa ngekhwalithi engaguquki kanye namazinga athile afana ne-ludox HS-40. Abanye abakhiqizi, okuhlanganisa ne-Shandong Zhonglian Chemical, bakhiqiza amazinga e-colloidal silica afanayo afinyelela noma adlule ukusebenza kwe-ludox. Umehluko omkhulu ngokuvamile intengo nokuguquguquka kochungechunge lokuhlinzeka kunokuba amakhemikhali ayisisekelo.

I-Colloidal anhydrous silica ibhekisela ohlotsheni lwe-silica engenawo amanzi okucrystallization futhi ekhiqizwa ngaphandle kwezinyathelo zokufaka amanzi. Ivamise ukusetshenziswa ezintweni lapho ukuthinteka komswakama kuyinkinga, njengakwezinye izinhlelo ze-catalyst noma izembatho eziyisipesheli. Isakaza njengezinhlayiya ze-colloidal kodwa ngamakhemikhali ahlukile ebusweni uma kuqhathaniswa nama-hydrous silica sols.

Sinikeza i-colloidal silica enezilinganiso zezinhlayiya ezisukela ku-10 nm kuya ku-100 nm. Singakwazi futhi ukulungisa ukusatshalaliswa kobukhulu kulolo hlu ukuze kuhambisane nezidingo ezithile zokusetshenziswa, njengezinhlayiya ezincane zokupolisha noma izinhlayiya ezinkulu zokufihla izembatho. Xhumana nethimba lethu lezobuchwepheshe ngemigomo yakho eqondiwe, futhi sizokuncoma izinga elifanele.

Ku-chemical mechanical planarization (CMP), i-colloidal silica ixutshwa ne-slurry efakwa phakathi kwe-pad yokupolisha ne-silicon wafer. Izinhlayiya ze-silica zihlikihla indawo ngomshini kuyilapho amakhemikhali ethambisa into, okuholela ekuqedeni okushelelayo nokungenamikwa. Ubukhulu bezinhlayiya obufanayo kanye nama-agglomerate amancane kubalulekile ekutholeni amazinga okususa angaguquki kanye nezindawo ezingenaziphoso.

I-Ludox hs40 iyizinga elithile le-colloidal silica enobukhulu bezinhlayiya obungaba ngu-12 nm kanye nokugxila kwe-silica okungaba ngu-40% ngesisindo. Izinziswa endaweni ene-alkaline futhi yaziwa ngendawo yayo ephezulu kanye nokuzinza. Ivamise ukusetshenziswa ekupolishi, ekufakeni izembozo, nanjengesibopho. Eminye imikhiqizo evela kubakhiqizi abafana ne-Zhonglian ingakwazi ukuletha ukusebenza okulinganayo, ngokuvamile ngentengo eqhudelana kakhulu.

Yebo, uma iphathwa ngokuvumelana nezinqubo ezijwayelekile zokuphepha. I-colloidal silica ihlukaniswa njengento ecasulayo kunento enobuthi. Kodwa-ke, ukuthintana nesikhumba isikhathi eside kufanele kugwenywe, futhi ukuhogela umhwamuko noma uthuli olomile kufanele kuncishiswe. Sihlinzeka ngamashidi edatha yokuphepha nemihlahlandlela yokuphatha ngayo yonke imithwalo. Umoya owanele kanye nemishini yokuzivikela iyatuswa ngesikhathi sokucubungula.

Isetifiketi se-ISO 9001 siyindinganiso evamile yekhwalithi yokuphatha kubakhiqizi be-colloidal silica. Siqinisekisa ukuthi izinqubo zokukhiqiza ziyabhalwa, ziyalawulwa, futhi zithuthukiswa ngokuqhubekayo. Abanye abahlinzeki baphinde babe ne-ISO 14001 (ukuphatha imvelo) noma izitifiketi eziqondene nomkhakha wezinto zikagesi. I-Shandong Zhonglian Chemical inesitifiketi se-ISO 9001 futhi igcina izinqubo eziqinile zokulawula ikhwalithi yangaphakathi.

Ungacela isampula noma isilinganiso ngokusithinta ngefomu lokuxhumana kuwebhusayithi yethu noma ngokuxhumana ngqo neqembu lethu lokuthengisa. Nikeza usayizi wezinhlayiya ozikhethele wona, ukugxila, ukuthanda kwe-pH, kanye nevolumu elinganiselwe. Sizokuthumela idathashethi yezobuchwepheshe kanye nesampula ukuze uhlole. Kubasebenzisi abakhona be-ludox noma eminye imikhiqizo, singanikeza amasampula okuqhathanisa eceleni ukuze siqinisekise ukusebenza.