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    • 1. 发明授权
    • 자동차 외장용 부직포 보드 및 이의 제조방법
    • 车辆外部用无纺布板及其制造方法
    • KR101836623B1
    • 2018-03-08
    • KR1020160050585
    • 2016-04-26
    • 현대자동차주식회사기아자동차주식회사
    • 이정욱
    • D04H13/00B60R13/08D01D5/253
    • D04H3/018B60R13/0861D01D5/253D01D5/34D04H1/4282D04H1/4326D04H1/4391D04H1/46D04H3/007D04H3/011D04H3/102D04H3/12D10B2321/021D10B2321/022D10B2331/04D10B2505/12G10K11/162
    • 본발명은자동차외장용부직포보드및 이의제조방법에관한것으로, 보다상세하게는강성과흡차음성이향상된자동차외장용부직포보드및 이의제조방법에관한것이다. 본발명의일 측면에따르면, 이형단면기재섬유, 및이형단면이성분섬유를포함하여구성되고, 상기이형단면기재섬유는 50중량% 이상으로포함되며, 상기이형단면섬유및 이형단면이성분섬유는선밀도가 6 내지 15 De이고, 이형도는 1.3 내지 3.0 인자동차외장용부직포보드를제공할수 있다. 본발명에따른자동차외장용부직포보드는, 이형단면사를사용함으로써비표면적이넓어섬유간접착효율이향상되고, 벌키성및 섬유비표면적이크기때문에가열시 열전달이잘되어열 성형성이개선될수 있어기계적물성이우수하다. 또한, 향상된강성으로인해부직포의면밀도저감을통해경량화가가능하고, 흡차음성능이우수하다는효과를가진다.
    • 本发明涉及的是,更具体地说,涉及刚性和heupcha语音提高汽车外部装饰板及其制造在非织造织物的汽车外部装饰板的无纺织物及其制造方法的方法。 根据本发明的一个方面,改进的横截面中的基材纤维,并且由异形截面构成包括多组分纤维,改性的横截面基纤维(重量),所述异形截面纤维包含至少50%,和改进的横截面中的组分纤维 线密度为6〜15De,均匀度为1.3〜3.0。 根据本发明的汽车外饰无纺织物板,通过使用纤维的比表面积较宽之间的异形截面SA结合效率提高,并且是很好,因为蜂kiseong以及具有尺寸的比表面积纤维它是改善热加工性加热热传递的时间 机械性能。 此外,由于刚性提高,可以通过减小无纺布​​的面积密度来减轻重量,并且获得吸音的效果。
    • 4. 发明授权
    • 내열성이 향상된 다층 필터여재 및 이의 제조방법
    • 具有优异耐热性能的多纳米纤维过滤器及其制造方法
    • KR101479761B1
    • 2015-01-12
    • KR1020130091652
    • 2013-08-01
    • 주에프티이앤이
    • 박종철
    • D04H1/728D04H1/4382D04H1/4374B01D39/08
    • B01D39/1623B01D2239/0457B01D2239/0631D04H1/43D04H1/4318D04H1/4326D04H1/4342D04H1/4374D04H1/4382D04H1/498D04H1/728
    • 본 발명의 내열성이 향상된 기재 상 다층 나노섬유 필터는 기존의 나노섬유 필터가 가지는 낮은 열적 안정성의 문제를 해결하기 위해, 전기방사법을 통해 기재 상에 내열성 나노섬유를 다층으로 적층하여 필터를 제조하는 것이다. 기재상 다층 나노섬유 필터는 내열성 고분자인 폴리아크릴로니트릴, 폴리에테르설폰, 폴리이미드, 폴리비닐리덴플루오라이드, 메타아라미드 또는 폴리아미드 중 하나의 나노섬유를 메타아라미드 또는 셀룰로오스 기재 상에 적층하고 상기 내열성 고분자 나노섬유상에 무기계 고분자 나노섬유를 연속적으로 전기방사하여 제조함으로써, 필터효율과 가격 경쟁력을 갖춘 고효율 및 내열성이 보장되는 기능성 필터를 제조하는 것을 특징으로 한다.
    • 通过静电纺丝法将多层耐热纳米纤维堆叠在一起,具有增强的耐热性的基材上的多层纳米纤维过滤器,以解决低热稳定性,这是先前的纳米纤维过滤器的缺陷。 基材上的多层纳米纤维过滤器是通过将选自聚异氰酸酯,聚醚砜,聚酰亚胺,聚偏二氟乙烯,间位芳族聚酰胺和聚酰胺的纳米纤维作为耐热聚合物的一种纳米纤维叠层在间位芳族聚酰胺或纤维素基材上制成的; 并在耐热聚合物纳米纤维上连续静电纺丝无机聚合物纳米纤维。 因此,制造具有价格竞争力并且可以确保高效率和耐热性的功能过滤器。
    • 5. 发明授权
    • 이차전지용 분리막/전극 결합체의 제조방법
    • 第二次电池复合电解质膜的制备方法
    • KR101411286B1
    • 2014-06-24
    • KR1020130027012
    • 2013-03-14
    • 주에프티이앤이
    • 박종철
    • H01M2/16D04H1/728
    • D04H1/728D01D5/003D04H1/4326D06C7/00D10B2401/04H01M2/145H01M2/162
    • Provided is a method for making a combination of an electrode and a membrane for a secondary battery, which comprises: a step of making a poly(amic acid) (PAA) dope solution by dissolving PAN in a solvent; a step of forming PAA electrospun membrane by electrospinning with the PAA dope solution on an electrode; and a step of forming a polyimide (PI) electrospun membrane through a heat treatment of the PAA electrospun membrane, wherein the electrospinning is a bottom-up electrospinning method, a weight-average molecular weight of PI is from 10,000 to 500,000, and the heat treatment is carried out to a temperature of 300°C at a rate of temperature rise of 4 to 16 °C/min. The method of the present invention is economical on the aspect of a manufacturing process since a lamination process for combining a membrane and an electrode is not required, and the method can improve the utilization of space and reduce the thickness of the membrane since a polyolefin base material does not have to be used. Additionally, according to the method of the present invention, a distance between electrodes can be shortened and, consequentially, the overall volume of a secondary battery can be reduced when the secondary battery is manufactured. Moreover, the combination of the present invention contributes to the performance of a superior secondary battery with improved heat-resistant properties.
    • 本发明提供一种电极和二次电池用膜的组合方法,其特征在于,包括:通过将PAN溶解在溶剂中而制造聚(酰胺酸)(PAA)掺杂溶液的步骤; 通过电极上的PAA掺杂溶液电纺形成PAA静电纺丝膜的步骤; 以及通过PAA静电纺丝膜的热处理形成聚酰亚胺(PI)电纺丝膜的步骤,其中静电纺丝是自下而上的静电纺丝方法,PI的重均分子量为10,000〜500,000,热量 以4〜16℃/分钟的升温速度进行300℃的温度处理。 本发明的方法在制造过程方面是经济的,因为不需要用于组合膜和电极的层压方法,并且该方法可以改善膜的利用并减小膜的厚度,因为聚烯烃基 材料不必使用。 另外,根据本发明的方法,可以缩短电极之间的距离,从而在制造二次电池时可以减少二次电池的总体积。 此外,本发明的组合有助于具有改善的耐热性能的优良二次电池的性能。
    • 7. 发明授权
    • 내열성이 향상된 이차전지용 3층 분리막의 제조방법 및 그에 따라 제조된 분리막
    • 二次电池用耐热三层隔离器及其二次电池分离器的制造方法
    • KR101375226B1
    • 2014-03-17
    • KR1020130027006
    • 2013-03-14
    • 주에프티이앤이
    • 박종철
    • H01M2/16D04H1/728
    • D04H1/728D01D5/0015D01D5/0069D01D5/0076D04H1/43D04H1/4318D04H1/4326D04H1/4342D04H1/498H01M2/145H01M2/1633
    • The present invention relates to a method for manufacturing a three-layered separation film with enhanced thermal resistance for a secondary battery and a separation film manufactured by the same and, more specifically, to a method for manufacturing a three-layered separation film with enhanced thermal resistance for a secondary battery capable of manufacturing a multi-layered separation film with enhanced thermal resistance and accordingly improving thermal stability by dividing a nozzle block of an electro-spraying device into three electro-spraying sections in a progress direction and electro-spraying heat-resistant polymers and inorganic polymers continuously in each electro-spraying section and a separation film manufactured by the same. The method includes: a step of electro-spraying a solution which is made by dissolving first heat-resistant polymers filled in a first supply device into an organic solvent onto a collector to form a first heat-resistant electro-spraying polymer non-woven fabric; a step of electro-spraying a solution which is made by dissolving inorganic polymers filled in a second supply device into an organic solvent onto the top surface of the first heat-resistant electro-spraying polymer non-woven fabric to stack an inorganic electro-spraying polymer non-woven fabric; and a step of electro-spraying a solution which is made by dissolving second heat-resistant polymers into an organic solvent onto the top surface of the inorganic electro-spraying polymer non-woven fabric to stack a second heat-resistant electro-spraying polymer non-woven fabric.
    • 本发明涉及一种二次电池的耐热性提高的三层分离膜的制造方法及其制造方法,更具体地说,涉及一种具有增强热分解性的三层分离膜的制造方法 能够制造具有增强的热阻的多层分离膜的二次电池的电阻,并且因此通过将电喷涂装置的喷嘴块沿进给方向分成三个电喷涂部分并且电喷涂热电偶,从而提高热稳定性, 在每个电喷涂部分中连续地制备耐热聚合物和无机聚合物,以及由其制造的分离膜。 该方法包括:通过将填充在第一供给装置中的第一耐热性聚合物溶解在有机溶剂中而形成第一耐热电喷聚合物无纺布而形成的溶液的电喷雾工序 ; 将通过将填充在第二供给装置中的无机聚合物溶解在有机溶剂中而制成的溶液喷镀到第一耐热电喷聚合物无纺布的上表面上以堆叠无机电喷雾的步骤 聚合物无纺布; 以及将通过将第二耐热聚合物溶解在有机溶剂中的溶液电喷雾到无机电喷聚合物无纺织物的顶表面上以将第二耐热电喷聚合物 编织物。