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Title:
ACID-RESISTANT RARE EARTH COMPLEX
Document Type and Number:
Japanese Patent JP2006249231
Kind Code:
A
Abstract:

To provide an acid-resistant rare earth complex which does not deteriorate its light emitting characteristics even under acidic conditions, or can control the deterioration.

A surfactant is attached to the periphery of a rare earth complex molecule, in which organic ligands are coordinated to a rare earth ion being the central ion. With this configuration, the surfactant plays a role as a protector thereby the rare earth complex is not decomposed even under the acidic conditions so that high light emitting characteristics are retained. Since compounding of the complex in a natural resin can be realized, new hybridized materials are obtainable by combining the light emitting rare earths with, for example, Japanese paper, foreign paper or a natural fiber.


Inventors:
KANEMATSU YASUO
HASEGAWA YASUCHIKA
MATSUMOTO MASAHARU
HACHIFUKU TOSHIAKI
ITANI HIROSHIGE
HORIKI ERIKO
Application Number:
JP2005067240A
Publication Date:
September 21, 2006
Filing Date:
March 10, 2005
Export Citation:
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Assignee:
UNIV OSAKA
KANSAI TLO KK
International Classes:
C08L101/00; C08K9/04; C09K11/06; D21H17/12; D21H21/30
Attorney, Agent or Firm:
Ryouhei Kobayashi
Naotsune Takeuchi