METHOD FOR PRODUCING CELLULOSE NANOFIBER DISPERSION, CELLULOSE NANOFIBER DISPERSION, MOLDED CELLULOSE NANOFIBER ARTICLE, AND CELLULOSE NANOFIBER COMPOSITE

Title:

METHOD FOR PRODUCING CELLULOSE NANOFIBER DISPERSION, CELLULOSE NANOFIBER DISPERSION, MOLDED CELLULOSE NANOFIBER ARTICLE, AND CELLULOSE NANOFIBER COMPOSITE

Document Type and Number:

WIPO Patent Application WO/2010/134357

Kind Code:

A1

Abstract:

Disclosed is a method for producing a cellulose nanofiber dispersion which is appropriately usable in producing composite materials with polymer materials that are soluble in organic solvents over a wide range. The method for producing a cellulose nanofiber dispersion is characterized in that, for dispersing a cellulose nanofiber, which has a carboxylate-form group, in a medium containing an organic solvent, a conversion step, whereby said group in the cellulose nanofiber is converted from the carboxylate-form into a carboxylic acid-form, is conducted depending on the kind of said organic solvent.

Inventors:

ISOGAI, Akira (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)
磯貝明 (〒54 東京都文京区本郷七丁目３番１号　国立大学法人東京大学内 Tokyo, 〒1138654, JP)
SAITO, Tsuguyuki (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)

Application Number:

JP2010/003461

Publication Date:

November 25, 2010

Filing Date:

May 24, 2010

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Assignee:

The University of Tokyo (3-1 Hongo 7-chome, Bunkyo-ku Tokyo, 54, 〒1138654, JP)
国立大学法人東京大学 (〒54 東京都文京区本郷七丁目３番１号 Tokyo, 〒1138654, JP)
ISOGAI, Akira (3-1 Hongo 7-chome, Bunkyo-k, Tokyo 54, 〒1138654, JP)
磯貝明 (〒54 東京都文京区本郷七丁目３番１号　国立大学法人東京大学内 Tokyo, 〒1138654, JP)

International Classes:

C08L1/00; C08B15/02; D06M11/00; D06M11/11; D06M101/06

Attorney, Agent or Firm:

SHIGA, Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)

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Claims:

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