Ua li cas silica fumed?

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Ua li cas silica fumed?
Ua li cas silica fumed?

Video: Ua li cas silica fumed?

Video: Ua li cas silica fumed?
Video: Koj mus ua neej zoo li cas lawm 11/16/2018 2024, Hlis ntuj nqeg
Anonim

Fumed silica yog tsim los ntawm kev kub nyhiab silanes, xws li silicon tetrachloride, nyob rau hauv cov pa oxygen- hydrogen nplaim taws. Ulrich [11 tau muab cov lus piav qhia ntawm cov txheej txheem nplaim taws raws li kev tsim tam sim ntawm cov protoparticles ncaj qha ntsig txog cov tshuaj tiv thaiv tshuaj - tsis yog deg deposition.

Koj ua li cas silica fumed?

Production. Fumed silica yog tsim los ntawm nplaim pyrolysis ntawm silicon tetrachloridelos yog los ntawm quartz xuab zeb vaporized hauv 3000 ° C hluav taws xob arc.

Dab tsi tau fumed silica?

Fumed silica yog cov khoom tsim los ntawm tib neeg, yog li nws tsis xav tsis thoob tias nws tau paub los ntawm ntau lub npe- Diatomaceous ntiaj teb, Diatomaceous silica, Diatomite, Silicon dioxide (amorphous) thiab Vitreous silica, tsawg kawg.… Fumed silica yog siv nyob rau hauv paints, sealants, adhesives, tshuaj pleev ib ce, lotions, thiab countless lwm yam khoom

Qhov txawv ntawm silica gel thiab fumed silica yog dab tsi?

Hauv qhov sib piv rau silica-gel, txoj kev tsim khoom no tsim cov cheeb tsam sab hauv qhov chaw tsis zoo, tsis muaj zog thawj particle polymerization. … Fumed silica, structurally, tsis muaj qhov sib txawv ntawm cov khoomthiab tsis muaj zog agglomerated ua ke nrog tsawg kawg ntawm thaj chaw sab hauv.

Puas fumed silica teeb meem?

Kev raug Silica siab, Amorphous (Fume) tuaj yeem ua rau mob khaub thuas zoo li mob taub hau, ua npaws, ua daus no, mob, mob hauv siab thiab hnoos. Rov ua dua rau Silica, Amorphous (Fume) tuaj yeem ua rau ntsws puas(fibrosis).

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