HARD-COATING COMPOSITION, SURFACE-PROTECTIVE FILM, AND OPTICAL DISK

Japanese Patent JP2005255740

A

To obtain a hard-coating composition which forms a hard coat improved in levelling properties without detriment to coating film properties.

An information signal part 2 is formed on a substrate 2. A light-transmitting layer 4 is formed by sticking a light-transmitting sheet 12 to the substrate 2 through an adhesive layer 11. The hard-coating composition is obtained by adding a low-molecular-weight reactive diluent to a solvent-based hard-coating agent. The hard-coating composition is uniformly applied to the light-transmitting layer 4 by spin coating. The applied hard-coating composition is cured to form a hard coat 21.

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ENOMOTO TADASHI
TSUBO RIE
KIKUCHI MINORU
MORI KAZUHIRO

JP2004066433A

September 22, 2005

March 09, 2004

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SONY CORP

B05D5/00; B05D7/24; B32B3/02; B32B27/00; B32B27/30; C09D4/02; C09D5/16; C09D7/12; C09D183/04; C09D183/08; C09D201/00; G11B7/24; G11B7/254; G11B7/2542; G11B7/257; G11B7/26; (IPC1-7): C09D201/00; B05D5/00; B05D7/24; B32B27/00; B32B27/30; C09D4/02; C09D5/16; C09D7/12; C09D183/04; C09D183/08; G11B7/24; G11B7/26

Masatomo Sugiura
Koichi Mori

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