JP7070949B2 - 長期保管性が向上した水和熱低減剤 - Google Patents
長期保管性が向上した水和熱低減剤 Download PDFInfo
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- 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
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
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- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/085—Acids or salts thereof containing nitrogen in the anion, e.g. nitrites
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- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/12—Acids or salts thereof containing halogen in the anion
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- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/16—Acids or salts thereof containing phosphorus in the anion, e.g. phosphates
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0071—Phase-change materials, e.g. latent heat storage materials used in concrete compositions
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- 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
- C04B2111/00439—Physico-chemical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00448—Low heat cements
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- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
表1に示すように、潜熱性化合物と安定化助剤とを混合して水和熱低減剤を製造した。表1において、混合物1は、硝酸カルシウム四水和物(Ca(NO3)2・4H2O)、塩化カルシウム六水和物(CaCl2・6H2O)およびリン酸水素二ナトリウム十二水和物(Na2HPO4・12H2O)をそれぞれ50、40、10重量%の割合で混合して製造した潜熱性化合物であり、混合物2は、硝酸亜鉛六水和物(Zn(NO3)2・6H2O)、塩化カルシウム六水和物(CaCl2・6H2O)およびリン酸水素二ナトリウム十二水和物(Na2HPO4・12H2O)をそれぞれ50、40、10重量%の割合で混合して製造した潜熱性化合物である。
上述した水和熱低減剤を適用したコンクリート組成物の物性を評価するために、表3に示すようにコンクリート組成物を製造した。
Claims (3)
- 水酸化水和物、硝酸塩系水和物、塩化物系水和物およびリン酸塩系水和物のうちのいずれか1種またはこれらの混合物からなる潜熱性化合物と、
酸化物または水酸化物からなる安定化助剤と、を含む、水和熱低減剤であって、
前記水酸化水和物は、水酸化ストロンチウム八水和物(Sr(OH) 2 ・8H 2 O)および水酸化バリウム八水和物(Ba(OH) 2 ・8H 2 O)のうちのいずれか1種またはこれらの混合物であり、
前記硝酸塩系水和物は、硝酸カルシウム四水和物(Ca(NO 3 ) 2 ・4H 2 O)、硝酸亜鉛六水和物(Zn(NO 3 ) 2 ・6H 2 O)、硝酸リチウム三水和物(LiNO 3 ・3H 2 O)、硝酸アルミニウム九水和物(Al(NO 3 ) 2 ・9H 2 O)、硝酸マグネシウム六水和物(Mg(NO 3 ) 2 ・6H 2 O)および硝酸鉄六水和物(Fe(NO 3 ) 2 ・6H 2 O)のうちのいずれか1種またはこれらの混合物であり、
前記塩化物系水和物は、塩化カルシウム六水和物(CaCl 2 ・6H 2 O)であり、
前記リン酸塩系水和物は、リン酸水素二ナトリウム十二水和物(Na 2 HPO 4 ・12H 2 O)であり、
前記安定化助剤は、酸化カルシウム(CaO)、酸化アルミニウム(Al 2 O 3 )および酸化ケイ素(SiO 2 )のうちのいずれか1種またはこれらの混合物であることを特徴とする、水和熱低減剤。 - 前記安定化助剤は、前記水和熱低減剤の全体重量に値して1~30重量%含有されることを特徴とする、請求項1に記載の水和熱低減剤。
- 前記水和熱低減剤は、セメントを含む結合材組成物に含有され、
前記結合材組成物の全体重量に対して0.5~10重量%含有されることを特徴とする、請求項1に記載の水和熱低減剤。
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KR1020180032151A KR101882896B1 (ko) | 2018-03-20 | 2018-03-20 | 장기 보관성이 향상된 수화열 저감제. |
KR10-2018-0032151 | 2018-03-20 | ||
PCT/KR2019/002636 WO2019182270A1 (ko) | 2018-03-20 | 2019-03-07 | 장기 보관성이 향상된 수화열 저감제. |
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KR102307019B1 (ko) * | 2021-06-03 | 2021-09-30 | 주식회사트라이포드 | 내구성 및 작업성이 향상된 수화열 저감재. |
KR102341733B1 (ko) | 2021-06-23 | 2021-12-22 | 주식회사트라이포드 | 수화열 저감재의 생산성 향상을 위한 체가름 장치 |
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JP2011144070A (ja) | 2010-01-14 | 2011-07-28 | Kyushu Electric Power Co Inc | 耐凝集固結フライアッシュ、耐凝集固結フライアッシュ判定方法及び耐凝集固結フライアッシュ混合方法。 |
KR101618682B1 (ko) | 2014-08-28 | 2016-05-10 | 주식회사트라이포드 | 원전 구조물용 고성능 콘크리트 조성물 |
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JP3017023B2 (ja) * | 1994-10-03 | 2000-03-06 | 株式会社奥村組 | マスコンクリートの打設方法 |
JPH08268744A (ja) * | 1995-03-30 | 1996-10-15 | Onoda:Kk | 低発熱型無収縮充填材 |
KR100796534B1 (ko) | 2006-10-12 | 2008-01-21 | 대림산업 주식회사 | 3성분계 결합재 및 3성분계 잠열성 수화열 저감제를 함유한저발열 콘크리트 조성물 |
KR100802988B1 (ko) | 2007-04-26 | 2008-02-14 | 대림산업 주식회사 | 잠열 특성을 지닌 프리믹스형 초저발열 결합재 조성물 및이를 이용한 콘크리트 수화온도 저감방법 |
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KR101882896B1 (ko) * | 2018-03-20 | 2018-08-27 | 주식회사 트라이포드 | 장기 보관성이 향상된 수화열 저감제. |
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KR100766803B1 (ko) | 2006-07-05 | 2007-10-17 | 대림산업 주식회사 | 3성분계 잠열성 화합물을 혼합한 수화열 저감제 및 그의 제조방법 |
JP2011144070A (ja) | 2010-01-14 | 2011-07-28 | Kyushu Electric Power Co Inc | 耐凝集固結フライアッシュ、耐凝集固結フライアッシュ判定方法及び耐凝集固結フライアッシュ混合方法。 |
KR101618682B1 (ko) | 2014-08-28 | 2016-05-10 | 주식회사트라이포드 | 원전 구조물용 고성능 콘크리트 조성물 |
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社団法人 日本化学会編,化学便覧 基礎編,改訂3版,日本,丸善出版,1984年06月25日,I-126 |
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