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Patent Searching and Data


Title:
SUBLIMING DYE INK FOR INK JET PRINTER
Document Type and Number:
Japanese Patent JPH1192701
Kind Code:
A
Abstract:

To economically provide an ink for an ink jet printer, which contains a coloring material comprising a subliming dye in high concentration and is free from the occurrence of clogging of a nozzle.

A necessary amount of a subliming dye is incorporated into a polyester resin oligomer, and the mixture is heated until the dye is completely dissolved. The solution is delivered by an ink jet printer while the temperature is maintained. The oligomer preferably comprises a low-molecular-weight resin obtained by the polycondensation of a saturated acid, such as phthalic or adipic acid, with a glycol, and having a degree of polymerization of about 2 to 20 and a molecular weight of at most 10,000.


Inventors:
FURUKAWA KENICHI
Application Number:
JP29146997A
Publication Date:
April 06, 1999
Filing Date:
September 18, 1997
Export Citation:
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Assignee:
FURUKAWA KENICHI
International Classes:
B41M5/00; C09D11/00; C09D11/328; C09D167/00; D06P1/52; D06P5/00; (IPC1-7): C09D11/00; B41M5/00; C09D167/00; D06P1/52; D06P5/00