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Patent Searching and Data


Title:
SURFACE-TREATED SILICA FILLER AND RESIN COMPOSITION CONTAINING SURFACE-TREATED SILICA FILLER
Document Type and Number:
WIPO Patent Application WO/2018/123395
Kind Code:
A1
Abstract:
The present invention provides: a surface-treated silica filler which aims to suppress increase of the viscosity when added to a resin composition that is used for semiconductor sealing material applications and the like; and a resin composition which contains this surface-treated silica filler. A surface-treated silica filler according to the present invention is characterized by being surface-treated with a basic substance that has an acid dissociation constant (pKa) of a conjugated acid of 9.4 or more.

Inventors:
SATO Ayako (3993 Nigorikawa Kita-ku, Niigata-sh, Niigata 31, 〒9503131, JP)
KAJITA Masashi (3993 Nigorikawa Kita-ku, Niigata-sh, Niigata 31, 〒9503131, JP)
Application Number:
JP2017/042541
Publication Date:
July 05, 2018
Filing Date:
November 28, 2017
Export Citation:
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Assignee:
NAMICS CORPORATION (3993 Nigorikawa, Kita-ku Niigata-sh, Niigata 31, 〒9503131, JP)
International Classes:
C09C1/30; C01B33/18; C08K9/00; C08L101/00; C09C3/08; H01L21/60; H01L23/29; H01L23/31
Foreign References:
JP2005170771A2005-06-30
JP2012214340A2012-11-08
US20160312034A12016-10-27
JP2016124715A2016-07-11
JP2015218229A2015-12-07
JP2008518067A2008-05-29
JPH10173103A1998-06-26
JPS5220981B21977-06-07
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (Yusen Iwamoto-cho Bldg. 6F, 3-3 Iwamoto-cho 2-chome, Chiyoda-k, Tokyo 32, 〒1010032, JP)
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