Title:
POROUS SILICA PARTICLE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2006/075487
Kind Code:
A1
Abstract:
Disclosed are porous silica particles having an average particle diameter of 5-50 nm which are composed of a hydrolysis product and/or hydrolysis-condensation product of a silicon compound represented by the formula (1) below and another silicon compound represented by the formula (2) below. Also disclosed is a method for producing such porous silica particles. R1mSiX4-m (1) R2nSiX4-n (2) (In the above formulae, R1 represents an alkyl group having 1-8 carbon atoms; X independently represents an alkoxy group having 1-4 carbon atoms, a halogeno group, an isocyanate group (-N=C=O), a carboxyl group, an alkyloxycarbonyl group having 2-4 carbon atoms or an alkylamino group having 1-4 carbon atoms; m represents an integer of 0-1; R2 represents an alkenyl group having 2-8 carbon atoms, an acryloxyalkyl group having 4-8 carbon atoms or a methacryloxyalkyl group having 5-8 carbon atoms; and n represents an integer of 1-3. In this connection, X in the formula (1) and X in the formula (2) may be the same as or different from each other.)
Inventors:
TATARA RYOJI (JP)
KATO HITOSHI (JP)
KUROSAWA TAKAHIKO (JP)
KATO HITOSHI (JP)
KUROSAWA TAKAHIKO (JP)
Application Number:
PCT/JP2005/023403
Publication Date:
July 20, 2006
Filing Date:
December 20, 2005
Export Citation:
Assignee:
JSR CORP (JP)
TATARA RYOJI (JP)
KATO HITOSHI (JP)
KUROSAWA TAKAHIKO (JP)
TATARA RYOJI (JP)
KATO HITOSHI (JP)
KUROSAWA TAKAHIKO (JP)
International Classes:
C01B33/18; B82Y20/00; B82Y30/00; C08F299/08; C08G77/06; C09D201/00; G02B1/11; G02B1/111; G02B1/14
Foreign References:
| JP2004165401A | 2004-06-10 | |||
| JP2004037795A | 2004-02-05 | |||
| JP2001049179A | 2001-02-20 |
Attorney, Agent or Firm:
Watanabe, Kihei (26 Kanda Suda-chom, Chiyoda-ku Tokyo 41, JP)
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