Title:
DYE COMPOSITION AND POLYLACTIC ACID MOLDING DYED THEREWITH
Document Type and Number:
WIPO Patent Application WO/2005/123845
Kind Code:
A1
Abstract:
A black or navy dye composition excelling in dyeing capacity and capable of dyeing polylactic acid to navy or black with reddishness reduced. This composition comprises main black disperse dye (a1) or main navy disperse dye (a2) combined in given proportion with a given blue disperse dye. This main black disperse dye (a1) or main navy disperse dye (a2) is a disperse dye exhibiting dyeing capacity to polyesters and polylactic acid. This blue disperse dye is a disperse dye that in the dyeing of polylactic acid molding therewith, has a maximum absorption within the range of 640 to 700 nm in a 550 to 700 nm wavelength region of absorbance curve exhibiting the absorbance of dyed surface of dyed molding.
Inventors:
YAMAGUCHI HITOSHI (JP)
Application Number:
PCT/JP2004/014816
Publication Date:
December 29, 2005
Filing Date:
September 30, 2004
Export Citation:
Assignee:
NAGASE & CO LTD (JP)
NAGASE COLORS & CHEMICALS CO L (JP)
YAMAGUCHI HITOSHI (JP)
NAGASE COLORS & CHEMICALS CO L (JP)
YAMAGUCHI HITOSHI (JP)
International Classes:
C09B67/22; D06P1/16; D06P3/54; (IPC1-7): C09B67/22; D06P1/16; D06P3/54
Foreign References:
| JPH08311781A | 1996-11-26 |
Attorney, Agent or Firm:
Nanjo, Hiromichi (Okina Bldg. 2-9, Nishitenma 3-chome, Kita-ku, Osaka-sh, Osaka 47, JP)
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