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    • 1. 发明授权
    • 실리카퓸을 이용한 나노크기의 규산칼슘 수화물 제조방법
    • 使用二氧化硅制备纳米钙硅酸盐水合物
    • KR101385237B1
    • 2014-04-16
    • KR1020130101943
    • 2013-08-27
    • 한국생산기술연구원이코넥스 주식회사
    • 김용진소정은김동규김선만오상정이상엽
    • C01B33/24C01B33/12
    • C01B33/24C01P2004/64C04B22/08
    • The present invention relates to a preparation method of nanosized calcium silicate hydrate (nano C-S-H) from silicon dioxide and, more specifically, to a method of producing nano C-S-H by making a silicate solution produced by using silicon dioxide, especially low purity silica fume which is industrial waste react with a calcium nitrate solution in a dispersing agent solution. According to the present invention, a method can produce uniform C-S-H particles with a size of 100 nm or smaller, and minimize the amount of remaining solid parts with a size of 100 nm or smaller after centrifugal separation, thereby remarkably improving the super short strength of concrete containing the produced C-S-H as a concrete admixture. [Reference numerals] (AA) Non-addition; (BB) Nano C-S-H 0.2% of comparative example 1; (CC) Nano C-S-H 0.2%
    • 本发明涉及一种由二氧化硅制备的纳米级硅酸钙水合物(纳米CSH)的制备方法,更具体地说,涉及通过使用二氧化硅制备的硅酸盐溶液制备纳米CSH的方法,特别是低纯度硅粉 工业废物与分散剂溶液中的硝酸钙溶液反应。 根据本发明,可以制造尺寸为100nm以下的均匀的CSH颗粒,并且在离心分离后使尺寸为100nm以下的剩余固体部分的量最小化,从而显着提高超短纤维强度 混凝土含有生产的CSH作为混凝土外加剂。 (附图标记)(AA)不添加; (BB)纳米C-S-H比较例1的0.2% (CC)Nano C-S-H 0.2%
    • 7. 发明公开
    • 조기강도 발현 성능을 가지는 콘크리트 조성물
    • 混凝土组合物发挥早期强度
    • KR1020110077144A
    • 2011-07-07
    • KR1020090133613
    • 2009-12-30
    • 대림산업 주식회사쌍용양회공업(주)이코넥스 주식회사
    • 김용로정양희송영찬이재현금경훈편우식이웅종이원암김동현김동규
    • C04B24/24C04B28/16C04B24/12
    • PURPOSE: A concrete composition is provided to obtain the early strength expressing performance by including high-early strength type cement with the high fineness and high-early strength type polycarboxylate(PC)-based admixture. CONSTITUTION: A concrete composition with the early strength expressing performance includes high-early strength type cement and high-early strength type PC-based admixture. The fineness of the high-early strength type cement is between 4,000 and 4,500cm^2/g. The high-early strength type PC-based admixture is mixed with an amine-based high-early strengthening agent. 0.2-2.5 weight% of high-early strength type PC-based admixture is included, based on the weight of the high-early strength type cement. 5-20 weight% of the amine-based high-early strengthening agent is included, based on the weight of the high-early strength type PC-based admixture. 3-5 weight% of anhydrite is included, based on the weight of the high-early strength type cement.
    • 目的:提供一种混凝土组合物,通过包括高纯度和高强度型聚羧酸酯(PC)基混合物的高强度型水泥,以获得早期强度表现性能。 构成:具有早强表现性能的混凝土组合物包括高强度型水泥和高强度型PC基混合物。 高强度型水泥的细度在4,000至4,500cm ^ 2 / g之间。 高强度型PC型混合物与胺类高强化剂混合。 基于高强度型水泥的重量,包括0.2-2.5重量%的高强度型PC基混合物。 基于高强度型PC型混合物的重量,包括5-20重量%的胺基高预加强剂。 基于高强度型水泥的重量,包括3-5重量%的无水石膏。