JP2010155741A - 低発熱膨張性混和材 - Google Patents
低発熱膨張性混和材 Download PDFInfo
- Publication number
- JP2010155741A JP2010155741A JP2008334362A JP2008334362A JP2010155741A JP 2010155741 A JP2010155741 A JP 2010155741A JP 2008334362 A JP2008334362 A JP 2008334362A JP 2008334362 A JP2008334362 A JP 2008334362A JP 2010155741 A JP2010155741 A JP 2010155741A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- calcium hydroxide
- mass
- quicklime
- particle size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000654 additive Substances 0.000 title abstract 4
- 230000000996 additive effect Effects 0.000 title abstract 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000002245 particle Substances 0.000 claims abstract description 73
- 239000000292 calcium oxide Substances 0.000 claims abstract description 37
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 37
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 32
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 32
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 32
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 27
- 238000006703 hydration reaction Methods 0.000 abstract description 24
- 239000004570 mortar (masonry) Substances 0.000 abstract description 11
- 230000036571 hydration Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000004568 cement Substances 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 5
- 230000020169 heat generation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- NWBJYWHLCVSVIJ-UHFFFAOYSA-N N-benzyladenine Chemical compound N=1C=NC=2NC=NC=2C=1NCC1=CC=CC=C1 NWBJYWHLCVSVIJ-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1066—Oxides, Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/12—Multiple coating or impregnating
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
Abstract
【解決手段】 10〜90質量%の含有率で水酸化カルシウムを表面に有し、内部が生石灰である粒径1〜10μmの粒子(A)と0〜10質量%の含有率で水酸化カルシウムを表面に有し、内部が生石灰である粒径10〜150μm粒子(B)を質量比(B/A)で1.5〜6となるよう含有してなる低発熱膨張性混和材。
【選択図】 なし
Description
C1;粒径1.1〜5.8μmの生石灰粒
C2;粒径12〜80μmの生石灰粒
Claims (2)
- 10〜90質量%の含有率で水酸化カルシウムを表面に有し、内部が生石灰である粒径1〜10μmの粒子(A)と0〜10質量%の含有率で水酸化カルシウムを表面に有し、内部が生石灰である粒径10〜150μm粒子(B)を質量比(B/A)で1.5〜6となるよう含有してなる低発熱膨張性混和材。
- 粒子(A)の表面がさらにジエチレングリコールを有するものである請求項1記載の低発熱膨張性混和材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008334362A JP5263955B2 (ja) | 2008-12-26 | 2008-12-26 | 低発熱膨張性混和材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008334362A JP5263955B2 (ja) | 2008-12-26 | 2008-12-26 | 低発熱膨張性混和材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010155741A true JP2010155741A (ja) | 2010-07-15 |
JP5263955B2 JP5263955B2 (ja) | 2013-08-14 |
Family
ID=42573952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008334362A Active JP5263955B2 (ja) | 2008-12-26 | 2008-12-26 | 低発熱膨張性混和材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5263955B2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012020012A1 (en) * | 2010-08-11 | 2012-02-16 | Lafarge | Concrete article comprising a surface with low open-porosity |
JP2016124738A (ja) * | 2014-12-26 | 2016-07-11 | 太平洋マテリアル株式会社 | 膨張性混和材 |
WO2016185264A1 (en) * | 2015-05-15 | 2016-11-24 | Holcim Technology Ltd. | Concrete composition with very low shrinkage |
JP2017165627A (ja) * | 2016-03-17 | 2017-09-21 | 太平洋マテリアル株式会社 | セメント混和材及びそれを用いたコンクリート |
US11390561B2 (en) | 2017-10-13 | 2022-07-19 | Gcp Applied Technologies Inc. | Controlled hydration of quicklime |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105452743B (zh) | 2013-04-25 | 2018-02-02 | Bs&B 创新有限公司 | 具有薄弱线的平截头体形破裂盘 |
JP7359771B2 (ja) | 2017-10-12 | 2023-10-11 | ビーエス アンド ビー イノベーションズ リミテッド | 破裂板 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5493020A (en) * | 1977-09-19 | 1979-07-23 | Raychem Corp | Lime containing particulate composition* cement composition containing same and method of making same |
JP2005162564A (ja) * | 2003-12-05 | 2005-06-23 | Taiheiyo Material Kk | モルタル・コンクリート用膨張材及びこれを用いたコンクリート |
-
2008
- 2008-12-26 JP JP2008334362A patent/JP5263955B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5493020A (en) * | 1977-09-19 | 1979-07-23 | Raychem Corp | Lime containing particulate composition* cement composition containing same and method of making same |
JP2005162564A (ja) * | 2003-12-05 | 2005-06-23 | Taiheiyo Material Kk | モルタル・コンクリート用膨張材及びこれを用いたコンクリート |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012020012A1 (en) * | 2010-08-11 | 2012-02-16 | Lafarge | Concrete article comprising a surface with low open-porosity |
FR2963789A1 (fr) * | 2010-08-11 | 2012-02-17 | Lafarge Sa | Element en beton dont la surface est a faible porosite ouverte |
JP2016124738A (ja) * | 2014-12-26 | 2016-07-11 | 太平洋マテリアル株式会社 | 膨張性混和材 |
WO2016185264A1 (en) * | 2015-05-15 | 2016-11-24 | Holcim Technology Ltd. | Concrete composition with very low shrinkage |
US10669204B2 (en) | 2015-05-15 | 2020-06-02 | Holcim Technology Ltd. | Concrete composition |
JP2017165627A (ja) * | 2016-03-17 | 2017-09-21 | 太平洋マテリアル株式会社 | セメント混和材及びそれを用いたコンクリート |
US11390561B2 (en) | 2017-10-13 | 2022-07-19 | Gcp Applied Technologies Inc. | Controlled hydration of quicklime |
Also Published As
Publication number | Publication date |
---|---|
JP5263955B2 (ja) | 2013-08-14 |
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