Title:
AMINOSILANE-MODIFIED COLLOIDAL SILICA DISPERSION AND METHOD OF MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2016/181997
Kind Code:
A1
Abstract:
In the present invention, a first silyl group represented by general formula (1): R1
aSi(OR2)3-aO- (in the formula, R1 is a substituted or unsubstituted alkyl group or phenyl group having 1 to 10 carbon atoms, R2 is an alkyl group having 1 to 4 carbon atoms or an alkoxyalkyl group having 1 to 4 carbon atoms; and a is from 1 to 3), and a second silyl group represented by general formula (2): R3
bSi(OR4)3-bO- (in the formula, least one of R3 is an alkyl group having 1 to 3 carbon atoms, substituted by any of an amino group, an aminoalkyl group or an alkylamino group; R4 is an alkyl group having 1 to 4 carbon atoms; and b is 1 or 2) are bound to the surface of colloidal silica; and the dispersion medium is a mixed solvent in which the mass ratio (S1/S2) of a polar solvent S1, having a relative permittivity at 20°C of not less than 15 but less than 60, and a non-polar solvent S2, having relative permittivity at 20°C of not less than 1 but less than 15, is 0.3-6.
Inventors:
MURAKAMI NATSUMI (JP)
HIDA MASAHIRO (JP)
TSUBOKAWA NORIO (JP)
YAMAUCHI TAKESHI (JP)
MAETA TOMOYA (JP)
HIDA MASAHIRO (JP)
TSUBOKAWA NORIO (JP)
YAMAUCHI TAKESHI (JP)
MAETA TOMOYA (JP)
Application Number:
PCT/JP2016/064027
Publication Date:
November 17, 2016
Filing Date:
May 11, 2016
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
UNIV NIIGATA (JP)
UNIV NIIGATA (JP)
International Classes:
C01B33/145; C08F292/00
Foreign References:
| JP2005170758A | 2005-06-30 | |||
| JP2005170757A | 2005-06-30 | |||
| JP2005162533A | 2005-06-23 | |||
| JP2010503693A | 2010-02-04 | |||
| JP2008530255A | 2008-08-07 | |||
| JPH1081839A | 1998-03-31 | |||
| JPH10176007A | 1998-06-30 |
Other References:
See also references of EP 3296262A4
Attorney, Agent or Firm:
KURIHARA, Hiroyuki et al. (JP)
Hiroyuki Kurihara (JP)
Hiroyuki Kurihara (JP)
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