Title:
ALL-AROMATIC THERMOTROPIC LIQUID CRYSTAL POLYESTER RESIN COMPOSITION, INJECTION-MOLDED ARTICLE THEREOF, AND OPTICAL DEVICE USING THE MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP2007254669
Kind Code:
A
Abstract:
To attain an excellent white light reflex rate while holding excellent heat-resistance and moldability of an all-aromatic thermotropic liquid crystal polyester, in the melt blending of a white pigment and an all-aromatic thermotropic liquid crystal polyester into a resin composition.
A resin composition comprising 35-100 pts.mass of white pigment grains made by carrying out surface-treatment of 97-85 mass% of a white pigment obtained by a recipe including a roasting process with 3-15 mass% of aluminum oxide (both are summed to be 100 mass%), and 100 pts.mass of an all-aromatic thermotropic liquid crystal polyester is obtained by a process comprising a melt blending process.
COPYRIGHT: (C)2008,JPO&INPIT
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Inventors:
MUROUCHI SATOSHI
NAKAYAMA TOSHIO
NAKAYAMA TOSHIO
Application Number:
JP2006083306A
Publication Date:
October 04, 2007
Filing Date:
March 24, 2006
Export Citation:
Assignee:
NIPPON OIL CORP
International Classes:
C08L67/00; C08J5/00; C08K9/02; G02B5/08; H01L33/50; H01L33/60
Domestic Patent References:
| JPH0948931A | 1997-02-18 | |||
| JP2004256673A | 2004-09-16 | |||
| JP2002092854A | 2002-03-29 | |||
| JP2002060220A | 2002-02-26 | |||
| JPH09301715A | 1997-11-25 |
Foreign References:
| WO2004052786A1 | 2004-06-24 |
Attorney, Agent or Firm:
Teruo Akimoto