CEMENT ADMIXTURE, AND CEMENT COMPOSITION

To provide a cement admixture capable of making the appearance of a cement composition uniform by decreasing cracks, color irregularity, and discontinuous and numerous crack patterns appearing on the cement composition, and to provide a cement composition capable of controlling a phenomenon that mar...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI TOSHIKI, NISHI SUKEYOSHI, KAWANISHI TAKASHI, SAITO TAKASHI, HIRATA TAKAYOSHI, HOSAKA HIDEO, NISHIZAWA AYA, AKIYAMA GORO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIME, MAGNESIA MEASURING METALLURGY PHYSICS REFRACTORIES SLAG TESTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	To provide a cement admixture capable of making the appearance of a cement composition uniform by decreasing cracks, color irregularity, and discontinuous and numerous crack patterns appearing on the cement composition, and to provide a cement composition capable of controlling a phenomenon that mars its appearance, by producing a structural body using specified raw materials according to a specified composition ratio of the raw materials under a condition of a specified integral temperature and a specified integral humidity.SOLUTION: There are provided a cement admixture comprising a component A: polypropylene glycol of a mean molecular weight of 200 to 600 and/or a component B: a compound represented by general formula (I): R-O-(AO)n-H, as effective components, a cement composition comprising the cement admixture, and a structural body derived from the cement composition.SELECTED DRAWING: None 【課題】本発明は、セメント組成物のクラック、色むら、連続性のない多量のクラック模様を低減し、外観性状を均一化することのできるセメント混和剤を提供することを目的とする。また、本発明は、定められた使用材料、材料組成比、積算温度、積算湿度の条件で構造物を製造することで、外観性状を損なう現象を抑制することのできるセメント組成物を提供することを目的とする。【解決手段】本発明は、Ａ成分：平均分子量２００〜６００のポリプロピレングリコール、及び／又はＢ成分：一般式（Ｉ）Ｒ−Ｏ−（ＡＯ）n−Ｈで表される化合物を有効成分とするセメント混和剤、該セメント混和剤を含有するするセメント組成物、及び、該セメント組成物由来の構造物を提供する。【選択図】なし