Silicon dioxide (indlela ye-fumed)
Silicon dioxide (indlela ye-fumed)
Silicon dioxide (indlela ye-fumed)
FOB
Imininingwane yemithombo
Imibuzo evamile
Ukubonisa umlingani
1. Ukubuka KweMikhiqizo I-silica efumene iyinano-powder esebenzayo eyenziwe ngenqubo efumene (ukuhlanza okushisayo kwe-silicon tetrachloride emlilweni we-oxy-hydrogen). Ingashintshwa ubuso (uhlobo olungathathi hlangothi) noma igcine izici zayo ezisemqoka zokuthakazelela ngokuya ngezidingo zokusebenza. Umkhiqizo uhambisana ngokuqinile nezindinganiso zezimboni, izincazelo zomhlaba wonke ze-ISO 1248-2019, kanye nezidingo zokulawulwa kwe-EU REACH. I-Zhonglian Fumed Silica inezici eziyisisekelo ezifaka phakathi ubuqotho obuphezulu kakhulu (≥99.8%), usayizi we-particle oyinhloko ongu-nano (7-40nm), kanye nesakhiwo esihlanganisiwe esinjengezithombe ezintathu (indawo ethile: 50-400 m²/g). Phakathi kwazo, uhlobo lokuthakazelela lukhombisa ukuthakazelela okuhle nokuhlanganiswa, kanti uhlobo olungathathi hlangothi lukhombisa ukuthakazelela okuhle kakhulu (ukuhlangana kwamanzi ≥120°, ukumunca umswakama ≤0.5%). Ezinhlanganisweni zokunamathela, zokufaka, nezinto ezihlanganisiwe, inikeza imisebenzi eyisisekelo efana nokwandisa, ukuthuthukiswa kwe-thixotropy, ukuvimbela ukuhamba, ukuvimbela ukuwa, ukuqina, nokumelana nokuhlanza. Ngasikhathi sinye, inezinga elihle lokuzinza kwekhemikhali futhi iyahambisana nezinhlelo zokukhiqiza ezahlukene kufaka phakathi ezisekelwe kumaseli, ezingenamaseli, nezisekelwe emanzini, ihlangabezana nezidingo eziqinile zokuhambisana kokusebenza nokwethembeka emikhiqizweni ephakathi nendawo kuya phezulu. 2. Ithebula Lezici Zobuchwepheshe Ipharamitha Into Ulwazi Oluningiliziwe Igama Lomkhiqizo I-Silica Efumene Ukubukeka I-nano-powder emhlophe efufuzayo Usayizi We-Particle Oyisisekelo 7-40nm (ungashintshwa ngokunembile ngokuya ngezimo zokusebenza) Okuqukethwe kwe-Silica ≥99.8% (esisekelwe emanzini) Inani le-pH 3.8-5.5 (Uhlobo Lokuthakazelela); 5.0-7.0 (Uhlobo Olungathathi Hlangothi) Ukulahleka Ekumeni ≤5% (105℃/2h, Uhlobo Lokuthakazelela); ≤0.5% (105℃/2h, Uhlobo Olungathathi Hlangothi) Indawo Ethile 50-400m²/g (indlela ye-BET) Umshintshi Wobuso Uhlobo Lokuthakazelela: Akukho (amaqembu e-hydroxyl angokwemvelo); Uhlobo Olungathathi Hlangothi: I-Dimethyldichlorosilane, I-Hexamethyldisilazane, njll. (uhlobo lokushintsha olungashintshwa) Isici Sobuso Uhlobo Lokuthakazelela: Ukukhanga kwamanzi ≤30°, kulula ukuhamba ezinhlelweni zamanzi; Uhlobo Olungathathi Hlangothi: Ukukhanga kwamanzi ≥120°, ukumunca amanzi okungama-24h ≤0.3% Ubuningi Obukhulu 40-120g/L (ubuningi obuphansi, kulula ukuhamba nokuhlanganisa) Okuqukethwe Kwezimbiwa Ezinsundu I-Lead ≤3mg/kg, I-Arsenic ≤1mg/kg, I-Cadmium ≤1mg/kg Ukuhamba Uhlobo Lokuthakazelela: Hlanganisa ku-2000r/min imizuzu engu-20 ezinhlelweni zamanzi, ukuhamba okujwayelekile ≥99.5%; Uhlobo Olungathathi Hlangothi: Hlanganisa ku-2000r/min imizuzu engu-20 ku-epoxy resin, ukuhamba okujwayelekile ≥99.5% (akukho ukuhlanganiswa okubonakalayo) Ukukhulisa Nokuthuthukiswa Kwe-Thixotropy Uhlobo Olungathathi Hlangothi: Engeza u-1.5% ku-polyurethane adhesive, i-viscosity inyuke ngo-300%-800%, I-Thixotropic Index (TI) ≥5.0; Uhlobo Lokuthakazelela: Engeza u-1.0% ku-water-based coating, i-viscosity inyuke ngo-200%-500% Isici Sokuvimbela Ukuhamba Uhlobo Olungathathi Hlangothi: Engeza u-2% ku-solvent-based anti-corrosion coating, akukho ukuhlukaniswa okubonakalayo ngemuva kwemizuzu engu-48, ukumunca kwepigment ≤0.5%; Uhlobo Lokuthakazelela: Engeza u-1.2% ku-water-based latex paint, akukho ukuhlukaniswa okubonakalayo ngemuva kwemizuzu engu-72 Ukupakisha Ibhakede le-valve le-10kg Isikhathi Sokulethwa Imodeli ejwayelekile (faka uhlobo lokuthakazelela/olujwayelekile olungathathi hlangothi): Izinsuku ezi-5-10; Imodeli eyenziwe ngokwezifiso/eyinhloko ethile: Izinsuku eziyi-15-22 Isampula Mahhala (≤100g, zombili izinhlobo zokuthakazelela nezokungathathi hlangothi ziyatholakala) Umthamo Wokukhiqiza Umugqa wokukhiqiza okhethekile we-silica efumene: amathani angu-6,000/ngonyaka (faka uhlobo lokuthakazelela nezokungathathi hlangothi) 3. Incazelo Yokusebenza Ngokwethembela ku-nanostructure yayo kanye nezinzuzo zokushintsha ezihlukile zokuthakazelela/nokungathathi hlangothi, i-Zhonglian Fumed Silica inikeza izixazululo zokuthuthukisa ukusebenza eziningi ezidingweni eziyisisekelo zokukhiqiza ezindaweni zokunamathela, zokufaka, izinto ezihlanganisiwe, amakhemikhali okudla nezinye izinkambu. Izindleko zokusebenza ezithile zimi kanje: 3.1 Inkambu Yokunamathela •Uhlobo Olungathathi Hlangothi: Engeza u-1%-2% ku-epoxy resin ukuze wandise i-viscosity futhi uvimbele ukuwa, amandla okuphikisa athuthukiswe ngo-20%-40%. Ngemuva kokuguga ku-85℃/85%RH imizuzu engu-1000, izinga lokugcina amandla lingu-≥85%. Ingavimbela umswakama namabhakede ezinto zokunamathela ezingenamaseli, ifanelekile ezimweni eziphezulu zokunamathela ezifana nokubopha amabhodi ebhethri amandla amasha. •Uhlobo Lokuthakazelela: Engeza u-0.8%-1.5% ku-water-based adhesives ukuze uthuthukise ukuzinza kohlelo, uvimbele ukuhlukaniswa kwezinto, futhi uthuthukise amandla okubopha ngo-15%-30%, ifanelekile ezimweni zokunamathela ezisekelwe emanzini ezifana nokupakisha nokwakha. 3.2 Inkambu Yokufaka •Uhlobo Olungathathi Hlangothi: Engeza u-1.5%-3% ku-solvent-based industrial coatings, ngaphandle kokuhlanganiswa okuqinile ngemuva kokuma imizuzu engu-72; Engeza u-1.2%-2.0% ku-water-based wood coatings ukuze uthuthukise ukumelana namanzi (akukho ukujolisa ngemuva kokufaka emanzini abilayo imizuzu engu-2) nokumelana nokuhlanza (ubhardness ye-HB pencil → 2H), ngokuncipha kokucacisa ≤1.5%; Ifanelekile kumacasinge e-3C ku-UV-curable coatings, ukumelana nezinga lokushisa elingu-300℃ nokugcina ukuzinza kwe-thixotropic. •Uhlobo Lokuthakazelela: Engeza u-1.0%-1.5% ku-water-based latex paint ukuze uvimbele ukuhlukaniswa kwepigment, uthuthukise isici sokulinganisa, futhi wandise ukumelana nokuhlanza ku-≥2000 cycles; Engeza u-0.5%-1.0% ku-water treatment agents ukuze uthuthukise umphumela wokuhlanganisa nokusebenza kokumunca. 3.3 Ukuhambisana KweMikhakha Eminingi •I-Sealant: Engeza u-2%-3% uhlobo olungathathi hlangothi ukuze uthuthukise i-tensile modulus kanye nezinga lokubuyisela el elastik (≥90%) futhi uvimbele ukuhamba kokushisa; Uhlobo Lokuthakazelela lufanelekile kuma-sealants asekelwe emanzini ukuze uthuthukise ukunamathela. •Izinto Ezihlanganisiwe: Igcwalisa izikhala ze-interface; Uhlobo Olungathathi Hlangothi luthuthukisa ukumelana nokushisa nokubanda kwezinto ezihlanganisiwe, amandla okuphikisa akhuphuka ngo-15%-25%; Uhlobo Lokuthakazelela luthuthukisa ukuhambisana nezinto ezingenakukhanya. •Imboni Yamakhemikhali Okudla: Uhlobo Lokuthakazelela luhlangabezana nezindinganiso zokudla futhi lusetshenziswa njengomkhiqizo ovimbela ukuhlanganiswa kanye nomkhiqizo ophakeme emikhiqizweni yokudla neziphuzo; Uhlobo Olungathathi Hlangothi lusetshenziswa kumakhemikhali ukuze kuthuthukiswe ukumelana namanzi (IPX6) nokuzwa kwesikhumba. 3.4 Ukuhambisana Kwezinqubo Eziningi Uhlobo Lokuthakazelela luhambisana nezinhlelo zamanzi nezokuxhumana ezipholile, njengezokufaka ezisekelwe emanzini nezithako zokudla; Uhlobo Olungathathi Hlangothi luhambisana nezinhlelo ezisekelwe kumaseli nezingenamaseli, njengezokufaka ezisekelwe kumaseli nezinto zokunamathela ezishisayo. Imodeli enezinga eliphansi lokusebenza (50-100 m²/g) ikhethwa ezokufaka ze-OEM zemoto, ngokukhanya ≤3%; Imodeli eziphezulu zendawo ezithakazelelayo (300-400 m²/g) zisetshenziswa kumakhemikhali e-blade ye-wind turbine, ukumelana nezimo ezingu- -40℃ kuya ku-80℃ nge-thixotropic enhancement ebonakalayo. 4. Izinzuzo Zefektri •Ikhono Lokwenza Ngokwezifiso: Ingashintsha izici zobuso (ukuthakazelela okugcina amaqembu e-hydroxyl/uhlobo lokushintsha olungathathi hlangothi) kanye nezici ezithile zendawo ngokuya ngezimo zamakhasimende. Isibonelo, thuthukisa imodeli ye-hydrophobic enezinga lokusebenza eliphansi ukuze igcine ukusebenza okuhle kwe-thixotropic ku- -10℃; Nikeza imodeli ye-hydrophilic ephezulu yokudla. •Ubuchwepheshe Bokukhiqiza Obuphambili: Sebenzisa umugqa wokukhiqiza ophumayo ophelele ophumayo onokulawula kokushisa kwe-oxy-hydrogen okuphakeme kwe-±5℃ ukuze uqinisekise usayizi we-particle oyinhloko ophumelelayo; Ukushintshwa kokungathathi hlangothi kusebenzisa inqubo yokushintsha eqhubekayo ye-fluidized bed enokuhlangana okujwayelekile ≥98%, ukuvimbela ukwehluka kokusebenza okubangelwa ukuthakazelela kwendawo; Uhlobo Lokuthakazelela lusebenzisa ukulawula okuqondile kwe-hydrolysis ukuze kuqinisekiswe okuqukethwe kwe-hydroxyl okuhle. •Isipiliyoni Esicebile Sokusebenza Kwemboni: Nikeza imikhiqizo eyenziwe ngokwezifiso kumabhizinisi ahamba phambili e-adhesive nezokufaka eNingizimu Afrika kanye nezinkampani zamakhemikhali zomhlaba, ezifanele izinkambu eziphakathi kuka-18+ ezifana namandla amasha, ezimoto, ezokwakha, nezokudla, zithunyelwa emazweni nasezindaweni ezingama-30 kufaka phakathi iYurophu, iNyakatho Melika neNingizimu-East Asia. 5. Ukupakisha Nokuhamba •Ukupakisha Okujwayelekile: Ibhakede le-valve le-10kg, ibhakede ngalinye lihlinzekwa nge-valve yokukhishwa eyodwa ukuze ihlukanise umswakama nothuli; Uhlobo Lokuthakazelela luhlinzekwa ngempela ngefilimu yokuvikela umswakama. •Izidingo Zokugcina Nokuhamba: Gcina endaweni epholile, eyomile futhi enevumelwano (ubukhulu bokuphila ≤40%), gwema ukuhlanganiswa nezinsimbi eziqinile, izinsimbi eziqinile nezokuxhumana, isikhathi sokuphila singu-17 izinyanga; Iyi-chemical engalimazi, ixhasa ukuhamba olwandle nokuhamba komoya kwamazwe omhlaba, futhi ingahlinzeka ngombiko wokuhamba komoya. •I-Specification ye-Labelling: Iphakheji nganye kufanele ibhalwe igama lomkhiqizo, izincazelo (indawo ethile, uhlobo lobuso/umshintshi), inombolo yokukhiqiza, isikhathi sokuphila, izimo zokugcina nezinye izincazelo; Amathegi esiNgisi/amanje ayatholakala ukuze kuthunyelwe.
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