Methacrylic resin molded article having surface fine structure and production process thereof
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United States of America Patent
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Issued Date -
Dec 29, 2005
app pub date -
Jun 3, 2005
filing date -
Jun 4, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for producing a methacrylic resin molded article having a surface fine structure with a high aspect ratio. The method includes injecting a composition into a cell or cavity provided with a negative pattern corresponding to the surface fine structure, and solidifying the composition in the cell or cavity by polymerization. The composition contains components A, B, and C. A: an unsaturated monomer mixture, which includes 20 to 90% by weight of an unsaturated monomer including methylmethacrylate as a major component, and 10 to 80% by weight of an unsaturated monomer having at least two polymerizable double bonds in one molecule; B: a polymer of an unsaturated monomer including methylmethacrylate as a major component, which polymer includes 20 to 100% by weight of partially crosslinked polymer particles and 0 to 80% by weight of non-crosslinked polymer particles; and C: a polymerization initiator.
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