I-silica e-fumed yokufaka izifutho
I-silica e-fumed yokufaka izifutho
I-silica e-fumed yokufaka izifutho
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Imininingwane yemithombo
Imibuzo evamile
Ukubonisa umlingani
1. Ukubuka KweMikhiqizo I-silica efumene iyinano-powder esebenzayo eyakhelwe ngefomu efumene (ukuhlanza okuphezulu kwe-silicon tetrachloride emlilweni we-oxy-hydrogen). Ingashintshwa ubuso (uhlobo lwe-hydrophobic) noma igcine izici zayo ezisemqoka ze-hydrophilic ngokuya ngezidingo zokusebenza. Umkhiqizo uhambisana ngokuqinile nezindinganiso zezimboni, izincazelo zomhlaba wonke ze-ISO 1248-2019, kanye nezidingo zokulawula ze-EU REACH. I-Zhonglian Fumed Silica inezici eziyisisekelo ezihlanganisa ukuhlinzeka okuphezulu (≥99.8%), usayizi we-particle oyinhloko we-nano-scale (7-40nm), kanye nesakhiwo esihlanganisiwe esifana nenethiwekhi (indawo ethile: 50-400 m²/g). Phakathi kwazo, uhlobo lwe-hydrophilic lukhombisa i-hydrophilicity enhle kanye ne-dispersibility, kanti uhlobo lwe-hydrophobic lukhombisa i-hydrophobicity ephawulekayo (ukuhlangana kwamanzi ≥120°, ukumuncwa kokungcola ≤0.5%). Ku-adhesive, coating, kanye nezinhlelo zokwakha ezihlanganisiwe, ihlinzeka ngezisebenzi eziyisisekelo ezifana nokwandisa, ukuphucula i-thixotropy, ukuvimbela ukuhamba, ukuvimbela ukuwa, ukuqinisa, kanye nokumelana nokuhlanza. Ngasikhathi sinye, inezinga elihle lokuzinza kwemichiza futhi iyahambisana nezinhlelo zokukhiqiza ezahlukene kufaka phakathi ezisekelwe kumaseli, ezingenamaseli, kanye nezisekelwe emanzini, ihlangabezana nezidingo eziqinile zokusebenza okuhambisanayo nokwethembeka emikhiqizweni ephakathi nendawo kuya phezulu. 2. Ithebula Lezici Zobuchwepheshe Ipharamitha Into Ulwazi Oluningiliziwe Igama Lomkhiqizo I-Fumed Silica 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 lwe-Hydrophilic); 5.0-7.0 (Uhlobo lwe-Hydrophobic) Ukulahleka Ekumeni ≤5% (105℃/2h, Uhlobo lwe-Hydrophilic); ≤0.5% (105℃/2h, Uhlobo lwe-Hydrophobic) Indawo Ethile 50-400m²/g (indlela ye-BET) Umshintshi Wobuso Uhlobo lwe-Hydrophilic: Akukho (amaqembu e-hydroxyl angokwemvelo); Uhlobo lwe-Hydrophobic: I-Dimethyldichlorosilane, I-Hexamethyldisilazane, njll. (uhlobo lokushintsha olungashintshwa) Izakhiwo Zobuso Uhlobo lwe-Hydrophilic: Ukukhanga kwamanzi ≤30°, kulula ukusabalalisa ezinhlelweni zamanzi; Uhlobo lwe-Hydrophobic: Ukukhanga kwamanzi ≥120°, ukumuncwa kwamanzi okungama-24h ≤0.3% Ubukhulu Be-Density 40-120g/L (ubukhulu obuphansi, kulula ukusabalalisa nokuhlanganisa) Okuqukethwe Kwe-Metal Eningi I-Lead ≤3mg/kg, I-Arsenic ≤1mg/kg, I-Cadmium ≤1mg/kg I-Dispersibility Uhlobo lwe-Hydrophilic: Hlanganisa ku-2000r/min imizuzu engu-20 ezinhlelweni zamanzi, ukuhamba okujwayelekile ≥99.5%; Uhlobo lwe-Hydrophobic: Hlanganisa ku-2000r/min imizuzu engu-20 ku-epoxy resin, ukuhamba okujwayelekile ≥99.5% (akukho ukuhlanganiswa okubonakalayo) Ukukhulisa Nokuphucula I-Thixotropy Uhlobo lwe-Hydrophobic: Engeza u-1.5% ku-polyurethane adhesive, i-viscosity inyukile ngo-300%-800%, I-Thixotropic Index (TI) ≥5.0; Uhlobo lwe-Hydrophilic: Engeza u-1.0% ku-water-based coating, i-viscosity inyukile ngo-200%-500% Izakhiwo Zokuvimbela Ukuhamba Uhlobo lwe-Hydrophobic: Engeza u-2% ku-solvent-based anti-corrosion coating, akukho ukuhamba okubonakalayo ngemva kwezinsuku eziyi-48, ukumuncwa kwepigment ≤0.5%; Uhlobo lwe-Hydrophilic: Engeza u-1.2% ku-water-based latex paint, akukho ukuhamba okubonakalayo ngemva kwezinsuku eziyi-72 Ukupakisha Ibhakede le-valve le-10kg Isikhathi Sokulethwa Imodeli ejwayelekile (faka uhlobo lwe-hydrophilic/standard hydrophobic): Izinsuku ezi-5-10; Imodeli ezishintshiweyo/ezine-surface area ephezulu: Izinsuku eziyi-15-22 Isampula Mahhala (≤100g, zombili uhlobo lwe-hydrophilic nolwe-hydrophobic zikhona) Umthamo Wokukhiqiza Umugqa wokukhiqiza okhethekile we-fumed silica: 6,000 tons/ngonyaka (faka uhlobo lwe-hydrophilic nolwe-hydrophobic) 3. Incazelo Yokusebenza Ukuncika ku-nanostructure yayo kanye nezinzuzo zokushintshwa kwe-hydrophilic/hydrophobic, i-Zhonglian Fumed Silica ihlinzeka ngezixazululo zokuthuthukisa ukusebenza eziningi ezidingweni eziyisisekelo zokukhiqiza ku-adhesives, coatings, izinto ezihlanganisiwe, amakhemikhali okudla nezinye izinkambu. Izinzuzo ezithile zokusebenza zimi kanje: 3.1 Inkambu ye-Adhesive •Uhlobo lwe-Hydrophobic: Engeza u-1%-2% ku-epoxy resin ukuze wandise i-viscosity futhi uvimbele ukuwa, amandla okuphikisa athuthukisiwe ngo-20%-40%. Ngemuva kokuguga ku-85℃/85%RH imizuzu engu-1000, izinga lokugcina amandla lingu-≥85%. Ingavimbela umswakama namabhakede ku-polyurethane adhesives engenamaseli, efanelekile ezimweni eziphezulu zokunemba ezifana nokubopha i-tab ye-battery ye-new energy. •Uhlobo lwe-Hydrophilic: Engeza u-0.8%-1.5% ku-water-based adhesives ukuze uthuthukise ukuzinza kwesistimu, uvimbele ukuhluza kwezingxenye, futhi uthuthukise amandla okubopha ngo-15%-30%, efanelekile ezimweni zokubopha ezisekelwe emanzini ezifana nokupakisha nokwakha. 3.2 Inkambu ye-Coating •Uhlobo lwe-Hydrophobic: Engeza u-1.5%-3% ku-solvent-based industrial coatings, akukho ukuhluza okhard ekuphumeni kwemizuzu engu-72; Engeza u-1.2%-2.0% ku-water-based wood coatings ukuze uthuthukise ukumelana namanzi (akukho ukuhluza ngemva kokufaka emanzini abilayo imizuzu engu-2) nokumelana nokuhlanza (ub hardness ye-HB → 2H), ngokuncipha kokukhanya ≤1.5%; Efanelekile kumakhasi e-3C ku-UV-curable coatings, ukumelana nezinga lokushisa eliphezulu le-300℃ nokugcina ukuzinza kwe-thixotropic. •Uhlobo lwe-Hydrophilic: Engeza u-1.0%-1.5% ku-water-based latex paint ukuze uvimbele ukuhluza kwepigment, uthuthukise ukusebenza kokuhamba, futhi wandise ukumelana nokuhlanza ku-≥2000 cycles; Engeza u-0.5%-1.0% ku-water treatment agents ukuze uthuthukise umphumela we-flocculation nokusebenza kokumunca. 3.3 Ukuhambisana Kwezinkambu Eziningi •I-Sealant: Engeza u-2%-3% uhlobo lwe-hydrophobic ukuze uthuthukise i-tensile modulus kanye ne-rate yokubuyisela (≥90%) futhi uvimbele ukuguga kokushisa; Uhlobo lwe-Hydrophilic lufanelekile ku-sealants ezisekelwe emanzini ukuze kuthuthukiswe ukubopha. •Izinto Ezihlanganisiwe: Gcwalisa izikhala ze-interface; Uhlobo lwe-Hydrophobic luthuthukisa ukumelana nokushisa nokubanda kwezinto ezihlanganisiwe, amandla okuphikisa enziwe ngaphezulu ngo-15%-25%; Uhlobo lwe-Hydrophilic luthuthukisa ukuhambisana nezinto ezingezona ezemvelo. •Imboni Yamakhemikhali Okudla: Uhlobo lwe-Hydrophilic luhlangabezana nezindinganiso zokudla futhi lusetshenziswa njengomkhiqizo wokuvimbela ukuhluza kanye ne-thickener ezindaweni zokudla ezipholile; Uhlobo lwe-Hydrophobic lusetshenziswa kumakhemikhali ukuze kuthuthukiswe ukumelana namanzi (IPX6) kanye nomuzwa wesikhumba. 3.4 Ukuhambisana Kwezinhlelo Eziningi Uhlobo lwe-Hydrophilic luhambisana nezinhlelo zamanzi nezisombululo ezipholile, njengezokupakisha ezisekelwe emanzini kanye nezithasiselo zokudla; Uhlobo lwe-Hydrophobic luhambisana nezinhlelo ezisekelwe kumaseli nezingenamaseli, njengezokupakisha ezisekelwe kumaseli nezithasiselo eziphezulu zokushisa. Imodeli ezine-surface area ephansi (50-100 m²/g) zikhethwa ezokupakisha ze-OEM zezimoto, ngokukhanya ≤3%; Imodeli ezine-surface area ephezulu ye-hydrophobic (300-400 m²/g) zisetshenziswa kumakhemikhali e-blade ye-wind turbine, ukumelana nezimo ze- -40℃ kuya ku-80℃ ngokuthuthukiswa okukhulu kwe-thixotropic. 4. Izinzuzo ZeFektri •Ikhono Lokwenza Ngokwezifiso: Ingashintsha izakhiwo zobuso (i-hydrophilic enamaqembu e-hydroxyl agcinwe/uhlobo lwe-modifier ye-hydrophobic) kanye nezici ezithile ze-surface area ngokuya ngezimo zamakhasimende. Isibonelo, thuthukisa imodeli ye-hydrophobic enezinga lokusebenza eliphansi ukuze igcine ukusebenza okuhle kwe-thixotropic ku- -10℃; Hlinzeka ngemodeli ye-hydrophilic ephezulu yokudla. •Ubuchwepheshe Bokukhiqiza Obuphambili: Sebenzisa umugqa wokukhiqiza we-fumed ophelele ophumayo onokulawula okuphakeme kwe-oxy-hydrogen flame temperature accuracy ye-±5℃ ukuze uqinisekise usayizi we-particle oyinhloko ophumelelayo; Ukushintshwa kwe-hydrophobic kusebenzisa inqubo yokushintsha eqhubekayo ye-fluidized bed enokuhambisana kokufaka ≥98%, ukuvimbela ukwehla kokusebenza okubangelwa i-hydrophilicity yendawo; Uhlobo lwe-Hydrophilic lusebenzisa ukulawula okuqondile kwe-hydrolysis ukuze kuqinisekiswe okuqukethwe kwe-hydroxyl okuhle. •Imininingwane Ecebile Yokusebenza Kwemboni: Hlinzeka ngemikhiqizo eyenziwe ngokwezifiso kumabhizinisi ahamba phambili e-adhesive ne-coating eNingizimu Afrika kanye nezinkampani zamakhemikhali zomhlaba, ezifanele ezinkampanini ezihlukene ezingu-18+ ezifana ne-new energy, ezimoto, ezokwakha, nezokudla, zithunyelwa ezweni elingu-30 nasemazweni afana neYurophu, iNyakatho Melika neNingizimu-East Asia. 5. Ukupakisha Nokuhamba •Ukupakisha Okujwayelekile: Ibhakede le-valve le-10kg, ibhande ngalinye liqinisekiswe nge-valve yokukhishwa eyodwa ukuze kuhlukaniswe umswakama nothuli; Uhlobo lwe-Hydrophilic luhlinzekwa ngempela ngefilimu yokuvikela umswakama. •Izidingo Zokugcina Nokuhamba: Gcina endaweni epholile, eyomile futhi enevumelwano (ukuphakama kokuhlala ≤40%), gwema ukuhlanganiswa nezinsimbi eziqinile, ama-alkalis aqinile kanye nezinto eziphilayo, isikhathi sokuphila singama-42 months; Iyi-chemical engalimazi, isekela ukuhamba olwandle nokuhamba komoya kwamazwe, futhi ingahlinzeka ngombiko wokuhamba komoya. •I-Specification ye-Labelling: Iphakheji nganye kufanele ibhalwe igama lomkhiqizo, izincazelo (indawo ethile, uhlobo lobuso/modifier), inombolo ye-batch yokukhiqiza, isikhathi sokuphila, izimo zokugcina nezinye izincazelo; Amathegi e-English/multi-lingual ayatholakala ukuze kuthunyelwe.
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