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DISPERSANT FOR HYDRAULIC COMPOSITION
PROBLEM TO BE SOLVED: To provide a dispersant for hydraulic composition reducing unit water content for enhancing workability and durability of concrete, suppressing propagation of organism during storage for suppressing reduction of workability, suppressing reduction of various properties such as slump retention property and entrainment air amount stability and excellent in dispersibility.SOLUTION: There is provided a dispersant for hydraulic composition containing (A) component: a copolymer containing at least two or more kinds of structure units selected from a constitutional unit derived from a monomer represented by the formula (1) (I) and a constitutional unit derived from two monomers of (meth)acrylester (II) and an unsaturated compound having carboxylic acid ester at a terminal and (B) component:an antiseptic and/or an antifungal agent.SELECTED DRAWING: None
【課題】コンクリートの施工性及び耐久性を向上させるための単位水量を減らし、作業性の減少を抑える貯蔵中の生物の繁殖が抑制され、スランプ保持性および連行空気量安定性等の各種特性の低下が抑制され、かつ分散性に優れた水硬性組成物用分散剤を提供する。【解決手段】(A)成分:式(1)で表される単量体に由来する構成単位(I)と(メタ)アクリルエステル(II)及び、末端にカルボン酸エステルを有する不飽和化合物(III)の2種の単量体に由来する構成単位より選ばれる少なくとも2種以上の構成単位を含有する共重合体並びに、(B)成分:防腐及び/又は防カビ剤を含有する水硬性組成物用分散剤。【選択図】なし
DISPERSANT FOR HYDRAULIC COMPOSITION
PROBLEM TO BE SOLVED: To provide a dispersant for hydraulic composition reducing unit water content for enhancing workability and durability of concrete, suppressing propagation of organism during storage for suppressing reduction of workability, suppressing reduction of various properties such as slump retention property and entrainment air amount stability and excellent in dispersibility.SOLUTION: There is provided a dispersant for hydraulic composition containing (A) component: a copolymer containing at least two or more kinds of structure units selected from a constitutional unit derived from a monomer represented by the formula (1) (I) and a constitutional unit derived from two monomers of (meth)acrylester (II) and an unsaturated compound having carboxylic acid ester at a terminal and (B) component:an antiseptic and/or an antifungal agent.SELECTED DRAWING: None
【課題】コンクリートの施工性及び耐久性を向上させるための単位水量を減らし、作業性の減少を抑える貯蔵中の生物の繁殖が抑制され、スランプ保持性および連行空気量安定性等の各種特性の低下が抑制され、かつ分散性に優れた水硬性組成物用分散剤を提供する。【解決手段】(A)成分:式(1)で表される単量体に由来する構成単位(I)と(メタ)アクリルエステル(II)及び、末端にカルボン酸エステルを有する不飽和化合物(III)の2種の単量体に由来する構成単位より選ばれる少なくとも2種以上の構成単位を含有する共重合体並びに、(B)成分:防腐及び/又は防カビ剤を含有する水硬性組成物用分散剤。【選択図】なし
DISPERSANT FOR HYDRAULIC COMPOSITION
水硬性組成物用分散剤
YOKOYAMA SHIGEKI (Autor:in) / HOSAKA HIDEO (Autor:in) / YAMAGUCHI TAKASHI (Autor:in) / TAMURA SUMIO (Autor:in)
04.08.2016
Patent
Elektronische Ressource
Japanisch