Resin composition, stretched film, circularly polarizing plate, and image display device
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United States of America Patent
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Dec 13, 2016
Grant Date -
Sep 3, 2015
app pub date -
Apr 14, 2015
filing date -
Oct 16, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a resin composition which comprises a polymer having a divalent oligofluorene as a repeating unit therein, wherein the divalent oligofluorene contains at least two fluorene units optionally having a substituent, and the 9-positioned carbon atoms of the fluorene units bond to each other via a direct bond or via an alkylene group optionally having a substituent, an arylene group optionally having a substituent, or an aralkylene group optionally having a substituent, and a ratio of a retardation measured at a wavelength of 450 nm (Re450) to a retardation measured at a wavelength of 550 nm (Re550) satisfies the following formula (2): Re450/Re550≦1.0.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
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