公开(公告)号：KR101158999B1

公开(公告)日：2012-06-21

申请号：KR1020080117750

申请日：2008-11-25

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  박은유

IPC: B82B3/00 ,  D01D5/00 ,  D01F1/10

Abstract: PURPOSE: A method for fabricating polyvinyl alcohol/conductive polymer coaxial nanofibers is provided to easily fabricate the nanofibers which are composed of the conductive polymer using a simple vapor deposition polymerization mediated electrospinning process. CONSTITUTION: A method for fabricating polyvinyl alcohol/conductive polymer coaxial nanofibers comprises the following steps: forming polyvinyl alcohol nanofibers on a sensor substrate by electrospinning a polyvinyl alcohol(PVA) solution; introducing a metallic ion on the polyvinyl alcohol nanofibers through a soaking process; manufacturing the polyvinyl alcohol/conductive polymer coaxial nanofibers on the polyvinyl alcohol nanofibers having the metallic ion through a vapor deposition polymerization mediated electrospinning process; and producing a sensor for detecting electrical properties changes of the nanofibers using the polyvinyl alcohol/conductive polymer coaxial nanofibers.

公开(公告)号：KR1020110065639A

公开(公告)日：2011-06-16

申请号：KR1020090122224

申请日：2009-12-10

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  박은유

IPC: B82B3/00 ,  C08F2/34 ,  D01D5/00

CPC classification number: D06M11/83 ,  B01D39/04 ,  B82Y30/00 ,  B82Y40/00 ,  C08F2/34 ,  D01D5/003 ,  D01F6/04

Abstract: PURPOSE: A producing method of a polyvinyl alcohol/conductive polymer coaxial nanofiber, and the application of the nanofiber as a heavy-metal remover are provided to easily produce the nanofiber formed with conductive polymers using an electrospinning-vapor deposition polymerization process. CONSTITUTION: A producing method of a polyvinyl alcohol/conductive polymer coaxial nanofiber comprises the following steps: electrospinning a polyvinyl alcohol solution for obtaining polyvinyl alcohol nanofibers; soaking metal ions into the polyvinyl alcohol nanofibers; and performing an electrospinning-vapor deposition polymerization process with the polyvinyl alcohol nanofibers. The concentration of polyvinyl alcohol in the polyvinyl alcohol solution for electrospinning is 1~100.

Abstract translation: 目的：提供聚乙烯醇/导电聚合物同轴纳米纤维的制备方法，以及纳米纤维作为重金属去除剂的应用，以便使用静电纺丝 - 气相沉积聚合方法容易地生产由导电聚合物形成的纳米纤维。 构成：聚乙烯醇/导电聚合物同轴纳米纤维的制造方法，包括以下步骤：静电纺丝聚乙烯醇溶液，得到聚乙烯醇纳米纤维; 将金属离子浸泡到聚乙烯醇纳米纤维中; 并用聚乙烯醇纳米纤维进行静电纺丝蒸镀聚合法。 用于静电纺丝的聚乙烯醇溶液中的聚乙烯醇的浓度为1〜100。

公开(公告)号：KR1020100059100A

公开(公告)日：2010-06-04

申请号：KR1020080117750

申请日：2008-11-25

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  박은유

IPC: B82B3/00 ,  D01D5/00 ,  D01F1/10

CPC classification number: D01D5/003 ,  B82Y15/00 ,  D04H1/4309

Abstract: PURPOSE: A method for fabricating polyvinyl alcohol/conductive polymer coaxial nanofibers is provided to easily fabricate the nanofibers which are composed of the conductive polymer using a simple vapor deposition polymerization mediated electrospinning process. CONSTITUTION: A method for fabricating polyvinyl alcohol/conductive polymer coaxial nanofibers comprises the following steps: forming polyvinyl alcohol nanofibers on a sensor substrate by electrospinning a polyvinyl alcohol(PVA) solution; introducing a metallic ion on the polyvinyl alcohol nanofibers through a soaking process; manufacturing the polyvinyl alcohol/conductive polymer coaxial nanofibers on the polyvinyl alcohol nanofibers having the metallic ion through a vapor deposition polymerization mediated electrospinning process; and producing a sensor for detecting electrical properties changes of the nanofibers using the polyvinyl alcohol/conductive polymer coaxial nanofibers.

Abstract translation: 目的：提供一种制备聚乙烯醇/导电聚合物同轴纳米纤维的方法，以便使用简单的气相沉积聚合介导的静电纺丝方法容易地制造由导电聚合物组成的纳米纤维。 构成：聚乙烯醇/导电聚合物同轴纳米纤维的制造方法包括以下步骤：通过静电纺丝聚乙烯醇（PVA）溶液在传感器基材上形成聚乙烯醇纳米纤维; 通过浸泡过程将金属离子引入聚乙烯醇纳米纤维上; 通过气相沉积聚合介导的静电纺丝工艺在具有金属离子的聚乙烯醇纳米纤维上制造聚乙烯醇/导电聚合物同轴纳米纤维; 并且使用聚乙烯醇/导电聚合物同轴纳米纤维制造用于检测纳米纤维的电特性变化的传感器。

公开(公告)号：KR101092817B1

公开(公告)日：2011-12-12

申请号：KR1020080130818

申请日：2008-12-22

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  최문정 ,  박은유

IPC: B82B3/00 ,  B01J20/00 ,  D01D5/00

Abstract: 본발명에따르면, 간단하고저렴한전기방사와기상증착중합법에의해고분자나노튜브를용이하게제조할수 있는장점을가진다. 더욱이, 본발명에서제조될수 있는고분자나노튜브는고분자나노튜브의직경, 벽의두께에구애되지않을뿐만아니라, 중금속이온의제거에효과적인관능기를가지는고분자의종류에제한없이제조가가능하다.

公开(公告)号：KR1020100072395A

公开(公告)日：2010-07-01

申请号：KR1020080130793

申请日：2008-12-22

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  박은유

IPC: B82B3/00 ,  D01D5/00

CPC classification number: D04H1/728 ,  B82Y30/00 ,  B82Y40/00 ,  D01D5/003 ,  D04H1/4326 ,  D10B2401/13

Abstract: PURPOSE: A method for preparing silver nanoparticle-embedded polymethylmethacrylate via electrospinning is provided to enhance the effectiveness and stability as an antibacterial material of the silver nanoparticles and the polymethylmethacrylate using the electrospinning and to reduce a cost by reducing complex processes. CONSTITUTION: A method for preparing silver nanoparticle-embedded polymethylmethacrylate comprises: melting the polymethylmethacrylate in a solvent; putting silver nitrate into the solution and mixing silver ions and a polymer; and manufacturing the silver nanoparticle-embedded polymethylmethacrylate via electrospinning. The molecular weight of the polymethylmethacrylate is 120,000-996,000. The solvent is acetone, acetonitrile, dimethylformamide, or tetrahydrofuran.

Abstract translation: 目的：提供一种通过静电纺丝制备含银纳米颗粒的聚甲基丙烯酸甲酯的方法，以提高作为银纳米颗粒和聚甲基丙烯酸甲酯的抗菌材料的电纺丝的有效性和稳定性，并通过减少复杂工艺降低成本。 构成：制备含银纳米颗粒的聚甲基丙烯酸甲酯的方法包括：在溶剂中熔化聚甲基丙烯酸甲酯; 将硝酸银放入溶液中并混合银离子和聚合物; 并通过静电纺丝制造嵌入了纳米颗粒的聚甲基丙烯酸甲酯。 聚甲基丙烯酸甲酯的分子量为120,000-996,000。 溶剂是丙酮，乙腈，二甲基甲酰胺或四氢呋喃。

公开(公告)号：KR101197986B1

公开(公告)日：2012-11-05

申请号：KR1020090131126

申请日：2009-12-24

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  박은유

IPC: B82B3/00 ,  D01D5/00

Abstract: 본 발명은 전기 방사-기상 증착 중합을 이용하여 폴리비닐알콜(PVA)/폴리페돗(PEDOT) 동축 나노섬유를 대량으로 제조한 후 중심부분을 제거하고 폴리페돗(PEDOT) 나노튜브를 제조하여 화학센서로 응용한 내용에 관한 것이다. 구체적으로, 본 발명은 전기 방사를 이용하여 폴리비닐알콜 나노섬유를 제조한 후, 이에 기상 증착 중합법을 통해 폴리비닐알콜(PVA)/폴리페돗(PEDOT) 동축 나노섬유를 제조하며, 제조된 폴리비닐알콜(PVA)/폴리페돗(PEDOT) 동축 나노섬유에서 중심부분인 폴리비닐알콜(PVA)을 제거하여 폴리페돗(PEDOT) 나노튜브를 제조한 뒤, 제조된 폴리비닐알콜(PVA)/폴리페돗(PEDOT) 동축 나노섬유 및 폴리페돗(PEDOT) 나노튜브를 화학센서로 활용한 것이다.
본 발명에 따르면, 간단하고 저렴한 전기 방사-기상 증착 중합 방법에 의해 전도성 고분자로 구성된 나노섬유 및 나노튜브를 용이하게 제조할 수 있는 장점을 가진다. 그리고 제조된 전도성 고분자 물질이 센서장치 내에 손쉽게 도입되었고, 기존 재료들에 비해 향상된 감응도를 나타내었다. 본 발명에서 제조될 수 있는 전도성 고분자가 도입된 나노섬유 및 나노튜브는 단량체 및 금속염의 종류에 구애되지 않을 뿐만 아니라, 고분자 나노섬유의 직경 및 길이에 제한 없이 제조가 가능하다.
전도성 고분자, 전기 방사, 화학센서, 나노섬유, 기상 증착 중합, 나노튜브

公开(公告)号：KR1020110074282A

公开(公告)日：2011-06-30

申请号：KR1020090131198

申请日：2009-12-24

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  박은유

IPC: B01D71/00 ,  B01D69/00

CPC classification number: B01D67/0079 ,  B01D61/027 ,  B01D69/12 ,  B01D71/022 ,  B01D71/28 ,  B01D2257/60 ,  B01D2323/39 ,  B01D2325/04 ,  B01D2325/46

Abstract: PURPOSE: A manufacturing method of polypyrrole/poly(3,4-ethylenedioxythiophene) nano tube composite membrane having magnetism and an application as heavy metal filter are provided to gain excellent performance than existing material and reversible result having reproducibility when manufacturing heavy metal filter, and to collect easily with magnet. CONSTITUTION: The manufacturing method of polypyrrole/poly(3,4-ethylenedioxythiophene) nano tube composite membrane having magnetism includes the steps of: forming the polyvinyl alcohol nano fiber through the electrospinning of the solution of polyvinyl alcohol; introducing the metallic ion to the polyvinyl alcohol nano fiber through the dipping process; manufacturing the polypyrrole / poly nano tube composite membrane in the polyvinyl alcohol nanofiber in which the metallic ion is introduced through the vapor deposition polymerization mediated electrospinning of the conductive polymer monomer; manufacturing the polypyrrole / poly nano tube composite membrane having the magnetism in the polypyrrole / poly nano tube through the NaOH dipping process; and offering performance as the heavy metal filter by using the polypyrrole / poly nano tube composite membrane having magnetism.

Abstract translation: 目的：提供具有磁性和作为重金属过滤器的应用的聚吡咯/聚（3,4-亚乙基二氧噻吩）纳米管复合膜的制造方法，以获得优于现有材料的性能和在制造重金属过滤器时具有重现性的可逆结果，以及 用磁铁容易地收集。 构成：具有磁性的聚吡咯/聚（3,4-亚乙基二氧噻吩）纳米管复合膜的制造方法包括以下步骤：通过聚乙烯醇溶液的静电纺丝形成聚乙烯醇纳米纤维; 通过浸渍方法将金属离子引入聚乙烯醇纳米纤维; 在聚乙烯醇纳米纤维中制造聚吡咯/聚纳米管复合膜，其中通过导电聚合物单体的气相沉积聚合介导的静电纺丝引入金属离子; 通过NaOH浸渍法制造聚吡咯/聚纳米管中具有磁性的聚吡咯/聚纳米管复合膜; 并通过使用具有磁性的聚吡咯/聚纳米管复合膜提供作为重金属过滤器的性能。

公开(公告)号：KR1020110074219A

公开(公告)日：2011-06-30

申请号：KR1020090131126

申请日：2009-12-24

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  박은유

IPC: B82B3/00 ,  D01D5/00

CPC classification number: D06M11/83 ,  B82Y30/00 ,  B82Y40/00 ,  C08F2/34 ,  D01D5/003 ,  D01F6/04 ,  H01B5/16

Abstract: PURPOSE: A manufacturing method of polyvinylalcohol/polypoedot coaxial nanofiber and polypedot nanotube is provided to easily manufacture nanofiber and nanotube consisting of conductivity polymer by an electrospinning-vapor deposition polymerization without using micelle templates. CONSTITUTION: The manufacturing method of polyvinylalcohol/polypoedot coaxial nanofiber and polypedot nanotube includes following steps.(a) The PVA nanofiber is formed of the PVA solution on the sensor substrate through the electrospinning.(b) A metallic ion is introduced to the PVA nanofiber through a soaking process.(c) The PVA / PEDOT coaxial nanofiber and PEDOT nanotube are manufactured in the PVA nanofiber with the metallic ion through the electrospinning-vapor deposition polymerization of a conductive polymer monomer.(d) A detection means is offered to detect changes of electrical characteristics of the nanofiber and the nanotube by using the PVA / PEDOT coaxial nanofiber and PEDOT nanotube.

Abstract translation: 目的：提供聚乙烯醇/聚对苯二甲酸乙二醇酯共聚纳米纤维和多波管纳米管的制造方法，通过静电纺丝 - 气相沉积聚合方法容易地制造由导电性聚合物组成的纳米纤维和纳米管，而不使用胶束模板。 构成：聚乙烯醇/聚对苯二甲酸乙二醇酯共聚纳米纤维和多支链纳米管的制造方法包括以下步骤：（a）PVA纳米纤维通过静电纺丝在传感器基材上由PVA溶液形成;（b）将金属离子引入PVA纳米纤维 （c）PVA / PEDOT同轴纳米纤维和PEDOT纳米管通过导电聚合物单体的静电纺丝 - 气相沉积聚合在金属离子的PVA纳米纤维中制造;（d）提供检测手段 通过使用PVA / PEDOT同轴纳米纤维和PEDOT纳米管，纳米纤维和纳米管的电特性的变化。

公开(公告)号：KR1020100072412A

公开(公告)日：2010-07-01

申请号：KR1020080130818

申请日：2008-12-22

Applicant: 서울대학교산학협력단

Inventor： 장정식 ,  최문정 ,  박은유

IPC: B82B3/00 ,  B01J20/00 ,  D01D5/00

CPC classification number: C08J5/005 ,  B01J20/226 ,  B82Y30/00 ,  B82Y40/00 ,  D01D5/0084

Abstract: PURPOSE: A method for manufacturing polymer nanotubes is provided to facilitate the fabrication of the polymer nanotube which is effective for eliminating heavy metal ions by eliminating electrospinning nanofibers after introducing an effective polymer on the surface of the electrospinning nanofibers through vapor deposition polymerization. CONSTITUTION: A method for manufacturing polymer nanotubes which are effective for eliminating heavy metal ions comprises the following steps: manufacturing a polymer nanofiber using an electrospinning method; dipping a solution including metal salt into the polymer nanofiber; manufacturing a coaxial nanofiber by introducing a monomer effective for removing heavy metal ions on the surface of the nanofiber having metal salt; and eliminating the polymer nanoriber in the coaxial nanofiber. The polymer which is effective for eliminating the heavy metal ions is polypyrrole, polyaniline, polyimidazole, polythiophene, polyrhodanine, PEDOT, and poly(3,4-ethylenedioxythiophene).

Abstract translation: 目的：提供一种制造聚合物纳米管的方法，以便于通过气相沉积聚合在电纺丝纳米纤维的表面上引入有效聚合物之后通过消除电纺丝纳米纤维来有效消除重金属离子的聚合物纳米管的制造。 构成：对消除重金属离子有效的制造聚合物纳米管的方法包括以下步骤：使用静电纺丝法制备聚合物纳米纤维; 将包含金属盐的溶液浸入聚合物纳米纤维中; 通过在具有金属盐的纳米纤维的表面上引入有效去除重金属离子的单体制造同轴纳米纤维; 并消除了同轴纳米纤维中的聚合物纳米纤维。 有效去除重金属离子的聚合物是聚吡咯，聚苯胺，聚咪唑，聚噻吩，聚赖氨酸，PEDOT和聚（3,4-亚乙基二氧噻吩）。