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    • 7. 发明公开
    • 시멘트 혼화제, 이의 제조방법, 및 이를 포함하는 시멘트조성물
    • 水泥混合物,其制备方法和含有该水泥组合物的水泥组合物
    • KR1020080081670A
    • 2008-09-10
    • KR1020070022011
    • 2007-03-06
    • 주식회사 엘지화학지에스건설 주식회사
    • 고창범장순호김규팔김현석문광익전현규손명수은재환서치호지석원
    • C04B24/00C04B24/08C04B24/16
    • C04B24/2647C04B40/0039C04B20/023C04B24/122
    • A cement admixture is provided to impart good workability to a cement composition by improving hardening retardation and preventing a decline in flowability, and to form concrete having high early strength. A cement admixture includes a copolymer salt obtained by neutralizing a carboxylic acid copolymer with an ethanolamine-based or alkyldiethanolamine-based solution. The carboxylic acid copolymer is prepared by polymerizing (a) 50-95wt% of an alkoxypolyalkyleneglycolmono(meth)acrylic acid ester monomer represented by a formula 1, (b) 3-45wt% of a (meth)acrylic acid monomer represented by a formula 2 or salts thereof, and (c) 0.5-20wt% of a polyoxyalkylenealkenylether sulfate salt represented by a formula 3. In the formula 1, R^1 is a hydrogen atom or methyl, R^2O is one or a mixture of at least two selected from C2-4 oxyalkylene, and may be added in a block or random form in case of the mixture, R^3 is C1-4 alkyl, m is the average addition mole number of oxyalkylene groups, and is an integer of 50-200. In the formula 2, R^4 is a hydrogen atom or methyl, and M^1 is a hydrogen atom, monovalent metal, divalent metal, ammonium, or organic amine. In the formula 3, R^5 is a hydrogen atom or methyl, R^6 is C1-3 alkylene, phenylene, or alkylphenylene, R^7 is one or a mixture of at least two selected from C1-4 oxyalkylene, and may be added in a block or random form in case of the mixture, n is the average addition mole number of oxyalkylene groups and an integer of 10-50, and M^2 is a hydrogen atom, monovalent metal, ammonium, or organic amine.
    • 提供水泥混合物以通过改善硬化延迟和防止流动性下降来赋予水泥组合物良好的可加工性,并形成具有高早强度的混凝土。 水泥混合物包括通过用乙醇胺或烷基二乙醇胺溶液中和羧酸共聚物获得的共聚物盐。 通过聚合(a)50-95重量%的由式1表示的烷氧基聚亚烷基二醇(甲基)丙烯酸酯单体,(b)3-45重量%的式(甲基)丙烯酸单体 2或其盐,和(c)0.5-20重量%的由式3表示的聚氧化烯亚烷基醚硫酸盐。在式1中,R 1是氢原子或甲基,R 12 O是至少一个或至少 两个选自C2-4氧化烯,并且可以在混合物的情况下以嵌段或无规形式加成,R 3为C 1-4烷基,m为氧化烯基的平均加成摩尔数,为50的整数 -200。 在式2中,R 4是氢原子或甲基,M 1是氢原子,一价金属,二价金属,铵或有机胺。 在式3中,R 5是氢原子或甲基,R 6是C 1-3亚烷基,亚苯基或烷基亚苯基,R 7是一个或选自C 1-4氧化烯中的至少两种的混合物,并且可以 在混合物的情况下以嵌段或无规形式加成,n是氧化烯基的平均加成摩尔数和10-50的整数,M 2是氢原子,一价金属,铵或有机胺。
    • 8. 发明授权
    • 이산화티탄-메타카올린계 백색 안료를 포함하는 백색칼라콘크리트 조성물
    • 이산화티탄 - 메타카올린계백색안료를포함하는백색칼라콘크리트조성물
    • KR100686254B1
    • 2007-02-22
    • KR1020060068594
    • 2006-07-21
    • 주식회사 삼표지에스건설 주식회사
    • 이성연정용김정빈홍지훈박종호홍성삼박재홍손창목이태승전현규
    • C04B14/26C04B14/28C04B14/36
    • A white color concrete composition including titanium dioxide-meta kaolin pigment is provided to homogeneously express color to overall portion of a concrete structure and to improve intensity of the structure with less amount of the pigment by forming the titanium dioxide-metal kaolin pigment through calcination and addition of the pigment to white cement. The white color concrete composition includes: 100wt. parts of white cement; and 2 to 20wt. parts of white pigment based on TiO2-metakaolin which was prepared by calcining a mixture of TiO2 and kaolin based mineral in a ratio by weight of 95:5 to 20:80 at 500 to 800deg.C then ground into powder with average particle diameter of 1 to 3 micrometers. The kaolin based mineral is selected from kaolinite and halloysite. The white cement comprises 150 to 400wt. parts of fine aggregate of which 85% of the aggregate passes through a sieve having 5mm mesh, and 150 to 400wt. parts of coarse aggregate of which 85% of the aggregate does not pass through the sieve having 5mm mesh.
    • 提供包括二氧化钛 - 偏高岭土颜料的白色混凝土组合物以均匀地表现颜色到混凝土结构的整体部分,并且通过煅烧形成二氧化钛 - 金属高岭土颜料以及用更少量的颜料提高结构的强度和 将颜料加入到白水泥中。 白色混凝土组合物包括:100wt。 部分白水泥; 和2至20wt。 部分基于TiO 2 - 偏高岭土的白色颜料,其通过在500至800℃下煅烧重量比为95:5至20:80的TiO 2和高岭土基矿物的混合物而制备,然后研磨成平均粒径为 1至3微米。 高岭土基矿物选自高岭石和埃洛石。 白水泥包含150至400wt。 部分85%的聚集体通过5mm网筛的细骨料和150至400wt。 部分粗骨料,其中85%的骨料没有通过5mm网筛。