Method of producing dispersion

Details Method of producing dispersion Method of producing dispersion

2011-04-12

2011-04-12

Daniels, Matthew J (Department: 1741)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By casting liquids on a solid supporting or shaping surface

Reexamination Certificate

active

07922947

ABSTRACT:
A solvent and TAC particles are continuously supplied to a disperser. When the shearing of the solvent and the particles are made in a shearing section, the particles are dispersed in the solvent. The dispersion is fed to a mixer in one minute. The shearing of the dispersion is made in the mixer, the particles are swollen in the solvent in one minute. Since the shearing and the continuous feed of the swelling solution is made, the aggregation does not occur. There are no undissolved aggregates in a dope, which is obtained from the swelling solution. A film produced from the dope has no defects of luminescent spot but excellent optical properties.

REFERENCES:
patent: 2002/0044986 (2002-04-01), Yamazaki et al.
patent: 2002/0192397 (2002-12-01), Tsujimoto
patent: 2004/0017022 (2004-01-01), Yamada
patent: 61-106628 (1986-05-01), None
patent: 11-323017 (1999-11-01), None
patent: 2000-273239 (2000-10-01), None
patent: 2001-1745 (2001-03-01), None
patent: 2001-042628 (2001-12-01), None
patent: 2002-128900 (2002-05-01), None
patent: WO 02/22720 (2002-03-01), None
Japanese Office Action issued in Japanese Patent Application No. 2003-331178 on Feb. 5, 2010.

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