Glass polishing compositions and methods

Glass polishing compositions and methods

  • CN 101,528,882 B
  • Filed: 10/16/2007
  • Issued: 07/16/2014
  • Est. Priority Date: 10/16/2006
  • Status: Active Grant
First Claim
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1. a glass polishing method, it comprises one period that is enough to remove at least a portion of this glass from this surface and the finished product with the optical quality that is applicable to liquid-crystal display and organic LED display panel is provided of surface with hydrated glass polishing composition grinding glass substrate;

  • Wherein, this glass substrate comprises alkaline earth metal oxide-Al 2o 3-SiO 2glass, wherein this alkaline earth metal oxide comprises one or more oxide compounds that is selected from MgO, CaO, SrO and BaO;

    And wherein, the particulate ceria abrasive in aqueous carrier that is suspended in that this polishing composition comprises 1 to 15 % by weight, described particulate ceria abrasive is characterised in that mean particle size is 0.35 μ

    m to 0.9 μ

    m, and described aqueous carrier contains 50 to 1500ppm polymer stabilizer.

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