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公开(公告)号:KR1020110069450A
公开(公告)日:2011-06-23
申请号:KR1020090126191
申请日:2009-12-17
Applicant: 충남대학교산학협력단
CPC classification number: B01D71/72 , B01D61/025 , B01D67/0009 , B01D71/26 , B01D71/34 , B01D71/52 , B01D71/56 , B01D71/64 , B01D71/68 , B01D2323/12 , C02F1/441
Abstract: PURPOSE: A reverse osmosis membrane and a producing method thereof are provided to secure the thermal stability, the chemical resistance, the mechanical property, and the solvent resistance of the reverse osmosis membrane. CONSTITUTION: A reverse osmosis membrane contains the following: a porous supporter; and sulfonated poly(arylene ether ketone) containing units marked with chemical formula 1 and chemical formula 2, coated on the surface of the porous supporter. The porous supporter is selected from the group consisting of polysulfone, polyether, polyimide, polyamide, polypropylene, and polyvinylidene fluoride. The reverse osmosis membrane contains 0.1~3wt% of sulfonated poly(arylene ether ketone).
Abstract translation: 目的:提供反渗透膜及其制造方法,以确保反渗透膜的热稳定性,耐化学性,机械性能和耐溶剂性。 构成:反渗透膜包含以下物质:多孔载体; 和含有化学式1和化学式2的含有单元的磺化聚(亚芳基醚酮)涂覆在多孔载体的表面上。 多孔载体选自聚砜,聚醚,聚酰亚胺,聚酰胺,聚丙烯和聚偏二氟乙烯。 反渗透膜含有0.1〜3重量%的磺化聚(亚芳基醚酮)。
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公开(公告)号:KR1020120097987A
公开(公告)日:2012-09-05
申请号:KR1020110017621
申请日:2011-02-28
Applicant: 충남대학교산학협력단
CPC classification number: C01B39/14 , B82Y30/00 , B82Y40/00 , C01P2004/64
Abstract: PURPOSE: A manufacturing method of hydrophilic NaA zeolite nano-particles is provided to enhance dispersibility between particles and to obtain uniformity of particle sizes. CONSTITUTION: A manufacturing method of hydrophilic NaA zeolite nano-particles comprises the following steps: manufacturing a solution I by including 40-60 wt% of silica sol and 40-60 wt% of distilled water based on the total weight of the solution I; manufacturing a solution II by including 5-7 wt% of Al (OiPr), 30-40 wt% of tetramethyl ammonium hydroxide 5 hydrate (TMAOH·5H2O), 3-5 wt% of 1M NaOH and 50-60 wt% of H2O based on the total weight of the solution II; agitating the solution I and solution II by mixing at the weight ratio of 1:2-1:5 at room temperature for 12 hours-10 days; and agitating the mixture of the solution I and II in a 60-100 deg. Celsius thermo-bath for 5 hours-3 days.
Abstract translation: 目的:提供亲水性NaA沸石纳米颗粒的制造方法,以增强颗粒间的分散性,并获得粒径的均匀性。 构成:亲水性NaA沸石纳米粒子的制造方法包括以下步骤:通过包含40-60重量%的硅溶胶和基于溶液I的总重量的40-60重量%的蒸馏水来制备溶液I. 通过包括5-7重量%的Al(OiPr),30-40重量%的氢氧化四甲基氢氧化物5水合物(TMAOH·5H 2 O),3-5重量%的1M NaOH和50-60重量%的H 2 O制备溶液II 基于溶液II的总重量; 通过在室温下以1:2-1:5的重量比混合12小时-10天来搅拌溶液I和溶液II; 并在60-100℃搅拌溶液I和II的混合物。 摄氏温度5〜3天。
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公开(公告)号:KR101113036B1
公开(公告)日:2012-02-27
申请号:KR1020090126191
申请日:2009-12-17
Applicant: 충남대학교산학협력단
Abstract: 본 발명은 다공성 지지체의 표면에 하기 화학식 1 및 화학식 2의 단위를 함유하는 술폰화폴리(아릴렌에테르케톤)이 코팅된 역삼투막에 관한 것이다.
[화학식 1]
[화학식 2]
역삼투막, 플럭스, 염배제율
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