CEMENT COMPOSITION FOR BINDER INJECTION TYPE ADDITIVE MANUFACTURING APPARATUS

PROBLEM TO BE SOLVED: To provide a cement composition for a binder injection type additive manufacturing apparatus, which has higher strength, for used in a binder injection type additive manufacturing apparatus.SOLUTION: A cement composition for a binder injection type additive manufacturing appara...

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Main Authors KONO TSUNEHEI, NAKAZAKI GOSHI, UCHIDA SHUNICHIRO, TANIMURA MITSURU, OGAWA YOJI
Format Patent
LanguageEnglish
Japanese
Published 05.10.2017
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:PROBLEM TO BE SOLVED: To provide a cement composition for a binder injection type additive manufacturing apparatus, which has higher strength, for used in a binder injection type additive manufacturing apparatus.SOLUTION: A cement composition for a binder injection type additive manufacturing apparatus contains 100-400 pts.mass of sand with respect to 100 pts.mass of a caking material containing 3-10 mass% of one or more additives selected from alkali metal carbonate, alkali metal silicate, alkali metal lactate and alkaline-earth metal lactate and lactic, when the total of the additive and cement clinker powder is 100 mass%, preferably, a Blaine surface area of the cement clinker powder is 2,000-6,000 cm/g.SELECTED DRAWING: Figure 1 【課題】本発明は、結合材噴射方式付加製造装置に用いるための、強度がより高い結合材噴射方式付加製造装置用セメント組成物を提供する。【解決手段】本発明の結合材噴射方式付加製造装置用セメント組成物は、炭酸アルカリ金属塩、ケイ酸アルカリ金属塩、乳酸アルカリ金属塩、および乳酸アルカリ土類金属塩から選ばれる１種以上の添加剤とセメントクリンカー粉末の合計を１００質量％として、該添加剤を３〜１０質量％含む粘結材１００質量部に対し、砂を１００〜４００質量部含有するセメント組成物であり、好ましくは、前記セメントクリンカー粉末のブレーン比表面積は、２０００〜６０００ｃｍ２／ｇである。【選択図】図１
Bibliography:Application Number: JP20160068598