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PROBLEM TO BE SOLVED: To provide an admixture material composition capable of exhibiting both shrinkage reducing performance and flowability.SOLUTION: An admixture material composition contains a shrinkage reducing agent and a sulfonic acid-based water-reducing agent, where the shrinkage reducing agent contains a compound satisfying the following conditions. (1) a ratio between 15 tap flow values after 10 minutes from the start of kneading a mortar composition according to JASS 5 M402 obtained by addition of the compound with solid content concentration of 0.1% and mortar that does not contain the compound: (flow value of compound-containing mortar)/(flow value of mortar containing no compound)×100 is 120 or less; (2) a ratio of a ratio of a 15 tap flow value after 2 hours from the start of kneading the mortar composition obtained by addition of the compound with the solid content concentration of 0.1% to the mortar according to JASS 5 M402 that does not contain the compound to a ratio of a 15 tap flow value after 10 minutes from the start of kneading the substances: (ratio of flow value after 2 hours)/(ratio of flow value after 10 minutes)×100 is 110 or less; and (3) surface tension of the compound of 55-70 mN/m.SELECTED DRAWING: None
【課題】収縮低減性と流動性とをともに充分に発揮できる混和材料組成物の提供。【解決手段】収縮低減剤とスルホン酸系減水剤を含む混和材料組成物であり、該収縮低減剤が下記条件を満たす化合物を含む混和剤料組成物。(1)該化合物を0.1%の固形分濃度で添加したJASS 5 M402準拠のモルタル組成物と、該化合物を含まないモルタルとの混練開始から10分後の15打フロー値の比:(該化合物含有モルタルのフロー値)/(該化合物を含まないモルタルのフロー値)×100が120以下(2)該化合物を含まないJASS 5 M402準拠のモルタルへの、該化合物を0.1%の固形分濃度で添加したモルタル組成物の混練開始から2時間後の15打フロー値の比と、混練開始から10分後の15打フロー値の比との比:(2時間後のフロー値の比)/(10分後の打フロー値の比)×100が110以下(3)該化合物の表面張力が55〜70mN/m【選択図】なし
PROBLEM TO BE SOLVED: To provide an admixture material composition capable of exhibiting both shrinkage reducing performance and flowability.SOLUTION: An admixture material composition contains a shrinkage reducing agent and a sulfonic acid-based water-reducing agent, where the shrinkage reducing agent contains a compound satisfying the following conditions. (1) a ratio between 15 tap flow values after 10 minutes from the start of kneading a mortar composition according to JASS 5 M402 obtained by addition of the compound with solid content concentration of 0.1% and mortar that does not contain the compound: (flow value of compound-containing mortar)/(flow value of mortar containing no compound)×100 is 120 or less; (2) a ratio of a ratio of a 15 tap flow value after 2 hours from the start of kneading the mortar composition obtained by addition of the compound with the solid content concentration of 0.1% to the mortar according to JASS 5 M402 that does not contain the compound to a ratio of a 15 tap flow value after 10 minutes from the start of kneading the substances: (ratio of flow value after 2 hours)/(ratio of flow value after 10 minutes)×100 is 110 or less; and (3) surface tension of the compound of 55-70 mN/m.SELECTED DRAWING: None
【課題】収縮低減性と流動性とをともに充分に発揮できる混和材料組成物の提供。【解決手段】収縮低減剤とスルホン酸系減水剤を含む混和材料組成物であり、該収縮低減剤が下記条件を満たす化合物を含む混和剤料組成物。(1)該化合物を0.1%の固形分濃度で添加したJASS 5 M402準拠のモルタル組成物と、該化合物を含まないモルタルとの混練開始から10分後の15打フロー値の比:(該化合物含有モルタルのフロー値)/(該化合物を含まないモルタルのフロー値)×100が120以下(2)該化合物を含まないJASS 5 M402準拠のモルタルへの、該化合物を0.1%の固形分濃度で添加したモルタル組成物の混練開始から2時間後の15打フロー値の比と、混練開始から10分後の15打フロー値の比との比:(2時間後のフロー値の比)/(10分後の打フロー値の比)×100が110以下(3)該化合物の表面張力が55〜70mN/m【選択図】なし
ADMIXTURE MATERIAL COMPOSITION
混和材料組成物
MASANAGA MARI (Autor:in)
12.10.2017
Patent
Elektronische Ressource
Japanisch