Process for preparing a dispersion liquid of zeolite fine...

Details Process for preparing a dispersion liquid of zeolite fine... Process for preparing a dispersion liquid of zeolite fine...

2011-04-12

2011-04-12

Peng, Kuo-Liang (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

C528S039000

Reexamination Certificate

active

07923522

ABSTRACT:
The invention provides a preparation process of organic-group-modified zeolite fine particles excellent in stability of particle size and to be used for electronic materials or the like. The preparation process comprises a first step of obtaining a liquid containing zeolite seed crystals having a particle size of 80 nm or less which are formed in the presence of a structure directing agent, a second step of adding an organic-group-containing hydrolyzable silane compound to the liquid obtained by the first step, and a third step of maturing the liquid of the second step at temperature higher than that of the first step. A dispersion liquid of zeolite fine particles obtained by the process.

REFERENCES:
patent: 6261357 (2001-07-01), Egami et al.
patent: 2001/0020416 (2001-09-01), Yoshikawa et al.
patent: 2004/0105986 (2004-06-01), Ogihara et al.
patent: 2005/0165197 (2005-07-01), Ogihara et al.
patent: 2004-079592 (2004-03-01), None
Wang et al., “Pure-Silica Zeolite Low-kDielectric Thin Films”,Adv. Mater., 2001, pp. 746-749, vol. 13, No. 10.

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