PROCESS FOR PRODUCING POROUS SILICA PARTICLES, RESIN COMPOSITION FOR ANTIREFLECTION COATINGS, ARTICLE WITH ANTIREFLECTION COATING, AND ANTIREFLECTION FILM

WIPO Patent Application WO/2012/099185

A1

The purpose of the present invention is to provide a process for producing porous silica particles which enables reduction in the particle diameter and which attains, in the production, a high yield relative to the volume of a reaction solution. A process for producing porous silica particles which have pores on the surface is provided in order to achieve the purpose. This process is characterized by including: a step of adding a mixed fluid (A) which comprises a tetraalkoxysilane, an alkylamine and an alcohol to a mixed fluid (B) which comprises ammonia, an alcohol and water to conduct the hydrolysis and condensation of the tetraalkoxysilane and thus obtain silica particles; and a step of removing the alkylamine from the silica particles.

TOKORO HIROKI (JP)
YAMASHINA YOUZOU (JP)
TAKANO KIYOFUMI (JP)
SHIMOGAKI TOMOYO (JP)
TABUCHI MINORU (JP)
DEGUCHI TOMOE (JP)

PCT/JP2012/051030

July 26, 2012

January 19, 2012

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DAINIPPON INK & CHEMICALS (JP)
TOKORO HIROKI (JP)
YAMASHINA YOUZOU (JP)
TAKANO KIYOFUMI (JP)
SHIMOGAKI TOMOYO (JP)
TABUCHI MINORU (JP)
DEGUCHI TOMOE (JP)

C01B33/18; C08G77/02; C08K9/06; C08L101/00; C09C1/28; C09C3/12; C09D5/33; C09D7/62; C09D201/00

WO2007122930A1

2007-11-01

JP2010120812A	2010-06-03
JP2006016480A	2006-01-19
JPH01239015A	1989-09-25
JP2003261318A	2003-09-16
JP2006209050A	2006-08-10

KONO MICHIHIRO (JP)
Michihiro Kono (JP)

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