JP2007217267A5 - - Google Patents
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- JP2007217267A5 JP2007217267A5 JP2006343028A JP2006343028A JP2007217267A5 JP 2007217267 A5 JP2007217267 A5 JP 2007217267A5 JP 2006343028 A JP2006343028 A JP 2006343028A JP 2006343028 A JP2006343028 A JP 2006343028A JP 2007217267 A5 JP2007217267 A5 JP 2007217267A5
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- JP
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- Prior art keywords
- porous filler
- core particles
- silicon oxide
- parts
- mass
- Prior art date
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- 239000000945 filler Substances 0.000 claims description 29
- 239000007771 core particle Substances 0.000 claims description 18
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 12
- -1 silicon oxide compound Chemical class 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000002612 dispersion media Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 1
Description
本発明は、以下の構成を含む。
［１］コア粒子と、該コア粒子の周囲に付着した酸化ケイ素化合物とを有する多孔性填料であって、
コア粒子の質量割合が酸化ケイ素化合物１００質量部に対して１〜２４質量部であり、
比表面積が２０〜２００ｍ２／ｇ、かつ、細孔径が０．１０〜０．８０μｍであることを特徴とする多孔性填料。
［２］平均粒子径が１０〜４０μｍであることを特徴とする［１］に記載の多孔性填料。
［３］コア粒子と該コア粒子の周囲に付着した酸化ケイ素化合物とを有する多孔性填料を分散媒中に含む多孔性填料スラリーであって、
コア粒子の質量割合が酸化ケイ素化合物１００質量部に対して１〜２４質量部であり、
電解質濃度が３５〜８０ｇ／Ｌであることを特徴とする多孔性填料スラリー。
［４］ｐＨが６．６〜７．８である［３］に記載の多孔性填料スラリー。
［５］ケイ酸アルカリ水溶液にコア粒子を添加した後、鉱酸溶液および/または鉱酸の金属塩溶液を添加し、中和して、コア粒子の周囲に酸化ケイ素化合物を析出させて多孔性填料を含む多孔性填料スラリーを調製する工程と、該多孔性填料スラリーから多孔性填料を回収する工程とを有する多孔性填料の製造方法であって、
コア粒子の添加量が、生成する酸化ケイ素化合物１００質量部に対して１〜２４質量部になるように、多孔性填料スラリー中の電解質濃度を３５〜８０ｇ／Ｌにすることを特徴とする多孔性填料の製造方法。
［６］多孔性填料スラリーのｐＨを６．６〜７．８にする［５］に記載の多孔性填料の製造方法。
［７］［１］または［２］に記載の多孔性填料を含有することを特徴とする紙。
The present invention includes the following configurations.
[1] A porous filler having core particles and a silicon oxide compound attached around the core particles,
The mass ratio of the core particles is 1 to 24 parts by mass with respect to 100 parts by mass of the silicon oxide compound,
A porous filler having a specific surface area of 20 to 200 m 2 / g and a pore diameter of 0.10 to 0.80 μm.
[2] The porous filler as described in [1], wherein the average particle size is 10 to 40 μm.
[3] A porous filler slurry comprising in a dispersion medium a porous filler having core particles and a silicon oxide compound attached around the core particles,
The mass ratio of the core particles is 1 to 24 parts by mass with respect to 100 parts by mass of the silicon oxide compound,
A porous filler slurry having an electrolyte concentration of 35 to 80 g / L.
[4] The porous filler slurry according to [3], which has a pH of 6.6 to 7.8.
[5] After the core particles are added to the alkali silicate aqueous solution, the mineral acid solution and / or the metal salt solution of the mineral acid is added and neutralized, and the silicon oxide compound is precipitated around the core particles to be porous. A method for producing a porous filler comprising the steps of preparing a porous filler slurry containing a filler, and recovering the porous filler from the porous filler slurry,
Porous amount of the core particles, generated so that the 1 to 24 parts by weight with respect to silicon oxide compound 100 parts by mass, characterized by the electrolyte concentration of the porous filler in the slurry in 35~80g / L A method for producing sex fillers.
[6] The method for producing a porous filler according to [5], wherein the pH of the porous filler slurry is set to 6.6 to 7.8.
[7] A paper comprising the porous filler according to [1] or [2].
Claims (3)
コア粒子の質量割合が酸化ケイ素化合物１００質量部に対して１〜２４質量部であり、
比表面積が２０〜２００ｍ２／ｇ、かつ、細孔径が０．１０〜０．８０μｍであることを特徴とする多孔性填料。 A porous filler having core particles and a silicon oxide compound attached around the core particles,
The mass ratio of the core particles is 1 to 24 parts by mass with respect to 100 parts by mass of the silicon oxide compound,
A porous filler having a specific surface area of 20 to 200 m 2 / g and a pore diameter of 0.10 to 0.80 μm.
コア粒子の質量割合が酸化ケイ素化合物１００質量部に対して１〜２４質量部であり、
電解質濃度が３５〜８０ｇ／Ｌであることを特徴とする多孔性填料スラリー。 A porous filler slurry comprising a porous filler having a core particle and a silicon oxide compound attached around the core particle in a dispersion medium,
The mass ratio of the core particles is 1 to 24 parts by mass with respect to 100 parts by mass of the silicon oxide compound,
A porous filler slurry having an electrolyte concentration of 35 to 80 g / L.
コア粒子の添加量が、生成する酸化ケイ素化合物１００質量部に対して１〜２４質量部になるように、多孔性填料スラリー中の電解質濃度を３５〜８０ｇ／Ｌにすることを特徴とする多孔性填料の製造方法。 After the core particles are added to the alkali silicate aqueous solution, a mineral acid solution and / or a metal salt solution of a mineral acid is added and neutralized to deposit a silicon oxide compound around the core particles to include a porous filler. A method for producing a porous filler, comprising the steps of preparing a porous filler slurry and recovering the porous filler from the porous filler slurry,
Porous amount of the core particles, generated so that the 1 to 24 parts by weight with respect to silicon oxide compound 100 parts by mass, characterized by the electrolyte concentration of the porous filler in the slurry in 35~80g / L A method for producing sex fillers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006343028A JP5003139B2 (en) | 2006-01-19 | 2006-12-20 | Porous filler for paper, its production method and porous filler slurry for paper and paper |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006010769 | 2006-01-19 | ||
| JP2006010769 | 2006-01-19 | ||
| JP2006343028A JP5003139B2 (en) | 2006-01-19 | 2006-12-20 | Porous filler for paper, its production method and porous filler slurry for paper and paper |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007217267A JP2007217267A (en) | 2007-08-30 |
| JP2007217267A5 true JP2007217267A5 (en) | 2009-04-16 |
| JP5003139B2 JP5003139B2 (en) | 2012-08-15 |
Family
ID=38494949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006343028A Active JP5003139B2 (en) | 2006-01-19 | 2006-12-20 | Porous filler for paper, its production method and porous filler slurry for paper and paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5003139B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009120997A (en) * | 2007-11-16 | 2009-06-04 | Oji Paper Co Ltd | Light-weight bulky printing paper for offset printing |
| JP5840943B2 (en) * | 2011-12-21 | 2016-01-06 | 大王製紙株式会社 | Method for producing composite particles |
| JP5876743B2 (en) * | 2012-02-09 | 2016-03-02 | 大王製紙株式会社 | Method for producing composite particles |
| JP2021100892A (en) * | 2018-03-26 | 2021-07-08 | Ａｇｃ株式会社 | Method of producing hollow particle |
| CN115849384B (en) * | 2022-11-30 | 2023-11-07 | 华陆工程科技有限责任公司 | Cracking treatment method for high-boiling-point substances of polycrystalline silicon |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6072963A (en) * | 1983-09-30 | 1985-04-25 | Honshu Paper Co Ltd | Modified composite pigment |
| JPH09156919A (en) * | 1995-12-08 | 1997-06-17 | Oji Paper Co Ltd | Complex particle of titania and silica and its production |
| JP3982027B2 (en) * | 1997-10-06 | 2007-09-26 | 王子製紙株式会社 | Method for producing composite particles |
| JP4568921B2 (en) * | 1998-03-12 | 2010-10-27 | 王子製紙株式会社 | Silica particles, method for producing the same, and silica particle-containing paper |
| JP2003020592A (en) * | 2001-07-05 | 2003-01-24 | Oji Paper Co Ltd | Alkaline paper |
| JP3898007B2 (en) * | 2001-07-31 | 2007-03-28 | 日本製紙株式会社 | Method for producing bulky paper with internal filler added with filler, which is an aggregate of inorganic particles and silica composite particles |
| JP4263864B2 (en) * | 2002-01-18 | 2009-05-13 | 日本製紙株式会社 | Novel composite for papermaking and method for synthesis |
| JP4225929B2 (en) * | 2004-02-04 | 2009-02-18 | 日本製紙株式会社 | Light calcium carbonate-silica composite |
| JP4796282B2 (en) * | 2004-03-30 | 2011-10-19 | 日本製紙株式会社 | Low density printing paper |
| JP2007091581A (en) * | 2005-08-31 | 2007-04-12 | Oji Paper Co Ltd | Porous filler, its production method and paper |
-
2006
- 2006-12-20 JP JP2006343028A patent/JP5003139B2/en active Active
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