Material having antireflection, hydrophobic and abrasion resistance properties and process for depositing an antireflection, hydrophobic and abrasion resistant coating on a substrate
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United States of America Patent
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Dec 19, 1995
Issued Date -
N/A
app pub date -
Apr 25, 1994
filing date -
Aug 22, 1991
priority date (Note) -
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Abstract
A material having antireflection properties, and a method of depositing an antireflection coating on a substrate, are disclosed. In order to obtain a coating having simultaneously antireflection, hydrophobic and abrasion resistance properties, a material is used comprising: an organic or inorganic substrate (2); an adhesion promoter layer (4) of a material selected from silanes; an antireflection coating (6) formed from colloids of silica in a siloxane binder; a coupling agent layer (8) of a material selected from silazanes; and an anti-abrasion layer (10) of a fluorinated polymer. These materials have specific applications in optics.
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