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    Home > Coatings News > Paints and Coatings Market > Innovations in the gas phase silicon dioxide process eliminate bead grinding

    Innovations in the gas phase silicon dioxide process eliminate bead grinding

    • Last Update: 2020-11-18
    • Source: Internet
    • Author: User
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    Thanks to innovations in the production process, gas-phase silica can now be moisturized and dispersed - previously in two separate systems (dissolver, bead mill) - in a dissolver step.
    use of these so-called "dispersible silicon dioxide" (E2D) can reduce processing time, cleaning time and production losses. In addition, omitting milling steps reduces investment and maintenance costs
    the
    . In order to test its processing properties, fluidity is used in coating systems to treat standard products using traditional bead grinding methods, while experimental products are processed only in dissolvers.
    no need to adjust existing formulations
    viscosity, gloss, fog and injection (color depth) and scratch resistance improvements (VP RS 920) results are correct in the measurement accuracy range. The viscosity curve at the high shear rate and the low shear rate is the same within the critical range of the increase in viscosity. This demonstrates the key advantages of E2D products: because they achieve the same level of efficiency and the same optical properties, manufacturers do not need to adjust existing formulations and can create new formulations according to the same rules as earlier coatings. In addition, the easy-to-disperse version of silica is chemically identical to the corresponding product.
    Applications of easy-to-disperse silicon dioxide (E2D) in automotive and industrial coatings
    It is important to emphasize that no additives of any type are used in the production process to make these products as compatible with coating systems as familiar standard products. Gas-phase silica is mainly used in automotive and industrial coatings to control the properties of the fluid, as a tactinant, as an anti-sinking agent, to help prevent rust and corrosion.
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