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    Home > Coatings News > Resin News > Evonik: launches new synthetic silica SPHERILEX® with excellent durability and abrasion resistance

    Evonik: launches new synthetic silica SPHERILEX® with excellent durability and abrasion resistance

    • Last Update: 2020-10-16
    • Source: Internet
    • Author: User
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    In paint and coating applications, precipitated silica is a widely accepted and efficient anti-light dissipant, but their functional properties depend on many factors, such as particle size, particle size distribution, particle size, particle morphology, etc. If the above factors can be reasonably controlled, the performance and utility of sedimentated silica will be greatly improved.
    Created coating additives business team recently launched SPHOERILEX® silicon dioxide wet chemical production process. This process gives silicon dioxide a unique spherical particle form, giving it a new advantage in coating applications. In this wet reaction process, the manufacturer is able to control a number of characteristics of the final product, including pH, surface area, (in-particle) hole volume, aperture distribution, and other structural or morphological features.
    this technology, Umtron introduced three new silicon dioxide products for paint and coating applications: SPHERILEX®DP-0111, SPHERILEX®DP-0112 and SPHERILEX®DP-0115.
    for modern architectural coatings, wear-resistant and moisture-resistant wear is a key technical challenge and an important factor in determining their performance. Given the filler or formulation options available on the market today, there is limited room for formulaters to challenge customer service and differentiate their products.
    the particle shape of the filler and the corresponding coating surface profile are closely related to these performance characteristics. Thanks to new process results, winning innovative synthetic silicon dioxide has the following advantages:
    . unique spherical particle form;
    . . . narrow particle size distribution;
    . very small surface area and very low porosity
    In addition, under the influence of regulatory requirements and other challenges, the raw materials available for coating preparation are gradually limited. For example, solvents help soften polymers and facilitate their free flow to coat and moisturize pigment particles in coatings, thereby increasing the bonding capacity of polymer resins. However, the market supply of these solvents is shrinking in order to reduce VOC emissions, so formulaters must look for other ways to minimize the demand for polymer resins from solid materials in their formulations.
    's new SPHOERILEX® technology not only meets these coating formulation challenges, but also helps formulaters realize the new value of synthetic silicon dioxide technology with a range of high-performance, uniquely functional silicon dioxide and silicate products.
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