To provide a polymer for forming a film having an inverse wavelength dependency even though the film is a single body, to provide the film formed by using the polymer and to provide another optical material.
A cyclic olefinic polymer comprises 30 to 70 mol% constituent unit (A) derived from ethylene or a 3-20C α-olefin, 20 to 50 mol% constituent unit (B) derived from a cyclic olefin represented by a prescribed chemical formula and 0.1 to 20 mol% constituent unit (C) derived from an aromatic vinyl compound and simultaneously satisfies the following requirements [1] to [3]. [1] Intrinsic viscosity [η] in decalin at 135°C measured by a measuring method according to ASTM J1601 by a transfer viscometer is in the range of 0.4 to 5.0 dl/g. [2] Peak in 1H-NMR is in the range of 6.0 to 6.8 ppm. [3] The glass transition temperature obtained by a differential scanning carolimeter (DSC) is in the range of 100 to 200°C.
TODO AKIRA
NISHIURA MASAYOSHI
HOU ZHAOMIN
RIKAGAKU KENKYUSHO
JP2007254576A | 2007-10-04 | |||
JP2009046613A | 2009-03-05 | |||
JPH0857950A | 1996-03-05 | |||
JPH03131644A | 1991-06-05 | |||
JP2003050316A | 2003-02-21 | |||
JP2003207640A | 2003-07-25 | |||
JP2007254576A | 2007-10-04 | |||
JP2009046613A | 2009-03-05 | |||
JPH0857950A | 1996-03-05 | |||
JPH03131644A | 1991-06-05 | |||
JP2003050316A | 2003-02-21 | |||
JP2003207640A | 2003-07-25 |
WO2006004068A1 | 2006-01-12 | |||
WO2006004068A1 | 2006-01-12 |
JPN7012004493; '1H 500 MHz NMR Spectra for polystyrene [PID: P020001]' 「高分子データベース"PoLyInfo"」における「NMR データベース (NMR Database) 」 , 20121030, 独立行政法人物質・材料研究機構
JPN6012057540; Zhaomin Hou: 'Half-Sandwich Rare Earth Metal Catalysts for Olefin Polymerization and Copolymerization' 有機合成化学協会誌 第63巻,第11号, 2005, 第1124頁-第1136頁
Koji Sato