Abstract:
PURPOSE: A nano porous film, a manufacturing method thereof and a nanofiltration membrane for water treatment using the same are provided to have excellent water treatment capability while generally having strong strength and to improve a contamination problem caused by an organic compound, which is the biggest problem of a reverse osmosis membrane and an existing water treatment film, through the effect of hydrophilic surface treatment having an excellent anti-contamination property. CONSTITUTION: A nano porous film includes a step of preparing an amphipathic block copolymer, a step of blending the amphipathic block copolymer and a hydrophilic homopolymer, and a step of forming nano pores by selectively removing the hydrophilic homopolymer in a blend. The amphipathic block copolymer is the copolymer of more than one hydrophobic polymer selected in a group consisting of PE, PP, PS, polyalkyl(meta)acrylate and polyester and more than one hydrophilic polymer selected in a group of consisting of PEO, PPO, PEG, PAA and PVA. The hydrophobic polymer and hydrophilic polymer compose the amphipathic block copolymer in the weight ratio of 80:20 to 20:80.
Abstract:
PURPOSE: A method for manufacturing a microfluidic channel which is modified into hydrophilicity is provided to be applied to medical equipment. CONSTITUTION: A method for manufacturing a microfluidic channel of which surface is hydrophilic comprises: a step of forming a channel substrate using polymeric materials; and a step of laminating anionic polymeric electrolyte layer and cationic polymeric electrolyte on the channel substrate. A microfluidic device or biosensor contains the microfluidic channel.
Abstract:
본 발명에서는 양친매성 블록 공중합체를 준비하는 단계; 상기 양친매성 블록 공중합체와 친수성 단일 중합체를 블렌드하는 단계; 및 상기 블렌드에서 친수성 단일 중합체를 선택적으로 제거하여 나노기공을 형성하는 단계;를 포함하는 것을 특징으로 하는 나노기공성 필름의 제조방법, 그로부터 제조되는 나노기공성 필름 및 이를 이용한 수처리용 나노여과막을 제공한다. 본 발명에 의하여, 나노기공성 필름을 제조함에 있어 강도가 높은 고분자 블록을 지지체로 구성하고 친수성이 높은 고분자 블록을 기공 주변에 위치하도록 하여, 전체적으로 강도가 높으면서도 수처리 능력이 우수한 나노기공성 필름을 제조하는 것이 가능하게 되었다.