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    • 4. 发明授权
    • 폴리머 혼입 초속경 시멘트 콘크리트 조성물 및 이를 이용한 콘크리트 구조물의 유지보수공법
    • 使用聚合物快速硬化水泥混凝土复合材料和使用复合材料的混凝土结构的修复方法
    • KR101516211B1
    • 2015-05-04
    • KR20150016799
    • 2015-02-03
    • IREHIGHTECH ENC
    • PARK YOUNG JUNRHIM YOUNG WHANYOO TEA HOJO YOUNG GAB
    • C04B24/26C04B24/24
    • C04B24/2641C04B24/24C04B24/2676
    • 본발명은, 속경성시멘트계결합재 8∼40중량%, 잔골재 20∼70중량%, 굵은골재 20∼70중량%, 물 0.1∼20중량% 및폴리머계혼화제 0.01∼20중량%를포함하며, 상기폴리머계혼화제는메틸메타크릴레이트-스티렌 70∼99중량%, 폴리스티렌-아크릴에스테르 0.1∼30중량%, 폴리염화비닐리덴 0.1∼30중량%, 폴리아크릴산메틸 0.01∼25중량% 및폴리에틸렌테레프탈레이트 0.01∼25중량%를포함하는것을특징으로하는폴리머혼입초속경시멘트콘크리트조성물및 이를이용한콘크리트구조물의유지보수공법에관한것이다. 본발명에의하면, 콘크리트의작업성을개선하고, 콘크리트의내구성을개선하며, 특히휨강도, 인장강도, 초기강도, 균열저항성, 내염해성및 동결융해저항성을개선하여콘크리트의하자를줄일수 있다.
    • 本发明涉及一种与聚合物混合的快速硬化水泥混凝土组合物,以及一种维持使用其的混凝土结构的方法。 本发明包括:8〜40重量%的用于快速硬化水泥的粘合剂; 20〜70重量%的细骨料; 20〜70重量%的粗骨料; 0.1〜20重量%的水; 和0.01至20重量%的聚合物混合物,其中所述聚合物混合物包含:70至99重量%的甲基丙烯酸甲酯 - 苯乙烯; 聚苯乙烯 - 丙烯酸酯0.1〜30重量% 0.1〜30重量%的聚偏二氯乙烯; 0.01〜25重量%的聚丙烯酸甲酯; 和0.01〜25重量%的聚对苯二甲酸乙二醇酯。 根据本发明,本发明能够提高混凝土的加工性,提高混凝土的耐久性,特别是弯曲强度,拉伸强度,初始强度,抗裂性,耐氯性,抗冻融性,从而减少混凝土的缺陷。
    • 9. 发明授权
    • 단열성 폼의 조성물
    • 自发泡沫的组成
    • KR100864783B1
    • 2008-10-22
    • KR1020070063426
    • 2007-06-27
    • 이재환
    • 이재환
    • C04B24/24C04B28/00C04B35/14C04B14/20
    • C04B28/02C04B2111/00017C04B2111/28C04B2111/52Y02W30/94C04B14/042C04B14/047C04B14/064C04B14/204C04B18/146C04B20/0048C04B22/064C04B24/2623C04B24/2641C04B24/2676C04B24/282C04B24/383C04B24/42
    • A composition of adiabatic foam is provided to obtain excellent heat insulation and to combine the useful properties of the raw materials effectively by employing water-dispersible polyurethane and silica aerogel. A composition of adiabatic foam comprises: 30-35% by weight of at least one selected from water-dispersible acrylic polyurethane and water-dispersible silicone-type polyurethane, 3-5% by weight of at least one selected from styrene butadiene rubber emulsion, ethyene vinyl acetate resin and cellulose ether resin, 8-15% by weight of silica aerogel powder, 2-4% by weight of micro-silica, 3-8% by weight of polyacrylic acid super-absorbent polymer, 5-10% by weight of expanded vermiculite, 20-25% by weight of micro-cement, 5-8% by weight of talc, 7-10% by weight of at least one selected from lime and slaked lime, 0.5-1.3% by weight of active carbon fiber powder and 3-5% by weight of zeolite. The composition is mixed with 0.25-0.45wt% of water with respect to the total weight of the raw material, and the mixture is stirred for at most 5 minutes before molding in a mold for adiabatic foam.
    • 提供绝热泡沫的组合物以获得优异的隔热性,并通过使用水分散性聚氨酯和二氧化硅气凝胶有效地结合原料的有用性质。 绝热泡沫的组合物包括:30-35重量%的选自水分散性丙烯酸聚氨酯和水分散性硅氧烷型聚氨酯中的至少一种,3-5重量%的至少一种选自苯乙烯丁二烯橡胶乳液, 乙烯乙酸乙烯酯树脂和纤维素醚树脂,8-15重量%的二氧化硅气凝胶粉末,2-4重量%的微硅石,3-8重量%的聚丙烯酸超吸收聚合物,5-10重量% 膨胀蛭石的重量,20-25重量%的微水泥,5-8重量%的滑石,7-10重量%的至少一种选自石灰和熟石灰,0.5-1.3重量%的活性物质 碳纤维粉末和3-5重量%的沸石。 相对于原料的总重量,将组合物与0.25-0.45重量%的水混合,并将混合物在用于绝热泡沫的模具中成型前搅拌最多5分钟。
    • 10. 发明授权
    • 방수용 초속경 시멘트 조성물 및 이의 포장방법
    • 用于防水的高速硬化水泥组合物及其制备方法
    • KR100854987B1
    • 2008-08-28
    • KR1020070085179
    • 2007-08-23
    • 고삼석이선영
    • 고삼석이선영
    • C04B28/00C04B14/28C04B24/24
    • C04B28/065C04B2111/0075C04B2111/27C04B7/02C04B12/04C04B14/26C04B22/143C04B24/04C04B24/2641C04B24/2676C04B2103/32
    • An ultra-rapid hardening waterproof cement composition is provided to have high waterproof performance so as to exert structural stability by suppressing damage of concrete and corrosion of iron reinforcing rods caused by moisture penetration when a concrete structure is exposed to water. An ultra-rapid hardening waterproof cement composition includes 30-40wt% of general cement, 30-40wt% of rapid hardening calcium sulfoaluminate cement, 10-15wt% of gypsum, 0.1-0.3wt% of a carboxylate-based plasticizer, 5-12wt% of powdered styrene-butadiene rubber or 9-20wt%, based on solids, of a silicone acryl emulsion having a solid content of 51% or less, and 1-4wt% of alkali silicate. The cement composition further comprises 0.1-0.3wt% of an alkali carbonate as a rapid-hardening agent, 0.3-0.5wt% of sodium citrate as a retarder, or a mixture thereof.
    • 提供超快速硬化防水水泥组合物以具有高防水性能,以便在混凝土结构暴露于水时通过抑制混凝土的损伤和由水分渗透引起的铁增强棒的腐蚀来施加结构稳定性。 超快硬化防水水泥组合物包括30-40wt%的一般水泥,30-40wt%的快速硬化硫化铝酸钙水泥,10-15wt%的石膏,0.1-0.3wt%的羧酸盐类增塑剂,5-12wt 基于固体,固体含量为51%以下的硅氧烷丙烯酸乳液和碱性硅酸盐为1-4重量%的粉末状丁苯橡胶或9-20重量%。 水泥组合物还含有0.1-0.3重量%的作为快速硬化剂的碱金属碳酸盐,0.3-0.5重量%的柠檬酸钠作为缓凝剂,或其混合物。