Title:
芳香族ポリカーボネート、その組成物および成形品
Document Type and Number:
Japanese Patent JP4886148
Kind Code:
B2
Abstract:
A polycarbonate, characterized in that a solution obtained by dissolving it in methylene chloride contains 50 pieces/kg-polymer or less of fine crystalline particles which are collected by a filter having a nominal pore diameter of 3 mu m and have an X-ray refraction pattern; and a composition comprising the carbonate. The polycarbonate has high ductility, retains high transparency due to the decreased number of internal stressed points, and can be controlled to a minimum level with respect to the number of white points produced under a condition of a high temperature and a high humidity.
Inventors:
Funakoshi Wataru
Hiroaki Kaneko
Yuichi Kageyama
Katsuji Sasaki
Hiroaki Kaneko
Yuichi Kageyama
Katsuji Sasaki
Application Number:
JP2001587023A
Publication Date:
February 29, 2012
Filing Date:
May 23, 2001
Export Citation:
Assignee:
Teijin Limited
International Classes:
C08G64/06; C08G64/40; C08J5/00; C08J5/18; C08K3/00; C08L69/00; C08L101/00; G11B7/2534; G11B11/105
Domestic Patent References:
| JPH05186583A | 1993-07-27 | |||
| JPH09104747A | 1997-04-22 | |||
| JP2000129112A | 2000-05-09 | |||
| JP2000129113A | 2000-05-09 | |||
| JP2000302879A | 2000-10-31 | |||
| JPH05239334A | 1993-09-17 | |||
| JPH07268091A | 1995-10-17 | |||
| JP2000080159A | 2000-03-21 |
Attorney, Agent or Firm:
Masataka Oshima