Interlayers Comprising Modified Fumed Silica
First Claim
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1. An interlayer for use in a multiple layer glazing, comprising:
- a polymer sheet comprising fumed silica, wherein said fumed silica is alkylated and wherein said interlayer does not comprise additional polymer sheets.
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Abstract
The present invention includes polymer interlayers that are used in multiple layer glazing panels. Interlayers of the present invention comprise a thermoplastic polymer, a plasticizer, and a fumed silica that has been modified to impart hydrophobic character. Interlayers incorporating such components have improved tensile modulus, moisture resistance, creep performance, anticorrosion effect, glass adhesion, and are well suited to a variety of applications, including, but not limited to, acoustic applications.
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Citations
17 Claims
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1. An interlayer for use in a multiple layer glazing, comprising:
a polymer sheet comprising fumed silica, wherein said fumed silica is alkylated and wherein said interlayer does not comprise additional polymer sheets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A multiple layer glass panel comprising an interlayer, wherein said interlayer comprises:
a polymer sheet comprising fumed silica, wherein said fumed silica is alkylated and wherein said interlayer does not comprise additional polymer sheets. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of forming a multiple layer glazing, comprising:
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providing a polymer sheet comprising fumed silica, wherein said fumed silica is alkylated; and
,laminating said polymer sheet between two panes of glass to form said glazing.
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Specification