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    • 33. 发明公开
    • 은도금 전도성 장섬유의 제조방법 및 이를 통해 제조된 은도금 전도성 장섬유
    • 用银纳米粒子涂覆的导电长纤维和用银纳米粒子涂覆的导电长纤维的制备方法
    • KR1020140091092A
    • 2014-07-21
    • KR1020120152269
    • 2012-12-24
    • 한국화학연구원
    • 박병기김빈윤상준이재락바자지바랏
    • D01F6/90D06M11/42D06M15/59C08G73/14D01D1/02D01D5/00
    • D01F6/90C08G73/14D01D1/02D01D5/0007D01D5/0076D06M11/42D06M15/59
    • The purpose of the present invention is to provide a method for preparing a silver-plated conductive long fiber and a silver-plated conductive long fiber prepared thereby. For achieving the purpose, the present invention provides a method for preparing a silver-plated conductive long fiber, comprising the steps of: dissolving poly(amide-co-imide) and poly(trimellitic anhydride chloride-co-4,4′-methylenedianiline) at a weight ratio of 4.5:5.5 to 5.5:4.5 in a solvent, followed by mixing (step 1); electrospining the mixture solution obtained in step 1 to prepare a long fiber (step 2); and forming silver nanoparticles on a surface of the long fiber obtained in step 2 (step 3). According to the present invention, the silver-plated conductive long fiber is prepared by using poly(amide-co-imide) and poly(trimellitic anhydride chloride-co-4,4′-methylenedianiline) as raw materials to prepare the long fiber, and then plating the prepared long fiber with silver, so that the surface of the long fiber is activated by a polyethylene glycol solution, thereby uniformly plating the long fiber with the silver nanoparticles. The long fiber prepared according to the present invention can exhibit excellent conductiviety and thus can be used as a material for an electrode, since the silver nanoparticles are plated on the surface of the long fiber.
    • 本发明的目的是提供一种制备镀银导电长纤维和由其制备的镀银导电长纤维的方法。 为了达到此目的,本发明提供一种制备镀银导电长纤维的方法,包括以下步骤:将聚(酰胺 - 共 - 酰亚胺)和聚(偏苯三酸酐氯化物 - 共-4,4'-亚甲基二苯胺 ),在溶剂中的重量比为4.5:5.5至5.5:4.5,然后混合(步骤1); 对步骤1中得到的混合溶液进行电纺,制备长纤维(步骤2)。 并在步骤2(步骤3)中获得的长纤维的表面上形成银纳米颗粒。 根据本发明,通过使用聚(酰胺 - 共 - 酰亚胺)和聚(偏苯三酸酐氯化物 - 共-4,4'-亚甲基二苯胺)作为原料来制备镀银导电长纤维以制备长纤维, 然后用银制备所制备的长纤维,使得长纤维的表面被聚乙二醇溶液活化,从而用银纳米粒子均匀地涂覆长纤维。 根据本发明制备的长纤维可以表现出优异的导电性,因此可以用作电极的材料,因为银纳米颗粒被镀在长纤维的表面上。
    • 36. 发明公开
    • 마이크로 또는 나노섬유의 다중강화 효과에 의한 상온 경화 에폭시 접착제의 제조방법 및 이에 의해 제조되는 상온 경화 에폭시 접착제
    • 通过微纳米纤维的多重增强作用制备缓凝环氧树脂粘合剂的方法,以及缓慢固化环氧树脂粘合剂
    • KR1020120010780A
    • 2012-02-06
    • KR1020100072338
    • 2010-07-27
    • 한국화학연구원
    • 이재락이수노박병기김병선
    • C08L63/00C08K7/02C09J163/00C09J11/00
    • PURPOSE: A manufacturing method of an ambient-temperature curable epoxy adhesive is provided to manufacture epoxy composite material having improved adhesion, and capable of maintaining adhesion even in the change of temperature and moisture according to the change of seasons, by mixing polyvinylalcohol fibers and gas-phase growth carbon nanotubes to an epoxy resin. CONSTITUTION: A manufacturing method of an ambient-temperature curable epoxy adhesive comprises a step of mixing polyvinylalcohol fiber and a hardener to an epoxy resin. The weight ratio of the polyvinylalcohol fiber against the epoxy composite resin is 0.35-1.39 weight%. The weight ratio of the epoxy resin and the hardener is 2-3:1. The epoxy resin, the polyvinylalcohol fiber, and the hardener are mixed by physical mixing apparatus. The epoxy composite material comprises the epoxy resin, the polyvinylalcohol fiber, and the hardener.
    • 目的:提供环境可固化环氧树脂粘合剂的制造方法来制造具有改进的粘附性的环氧复合材料,并且通过混合聚乙烯醇纤维和气体,能够根据季节变化保持温度和湿度的变化 相生长碳纳米管与环氧树脂。 构成:环境温度可固化环氧树脂粘合剂的制造方法包括将聚乙烯醇纤维和硬化剂与环氧树脂混合的步骤。 聚乙烯醇纤维与环氧复合树脂的重量比为0.35-1.39重量%。 环氧树脂和固化剂的重量比为2-3:1。 环氧树脂,聚乙烯醇纤维和硬化剂通过物理混合装置混合。 环氧复合材料包括环氧树脂,聚乙烯醇纤维和硬化剂。
    • 37. 发明公开
    • Βi2Te3 나노튜브의 제조방법
    • 双螺旋纳米管制备方法
    • KR1020110058046A
    • 2011-06-01
    • KR1020090114702
    • 2009-11-25
    • 한국화학연구원
    • 박병기김숙현김장중
    • B82B3/00B22F9/24
    • C01G29/00B82Y30/00B82Y40/00C01P2004/64
    • PURPOSE: A producing method of a bismuth telluride nanotube is provided to accurately controlling the diffusion speed of tellium atoms and the reduction speed of bismuth ions. CONSTITUTION: A producing method of a bismuth telluride nanotube comprises the following steps: inserting a bismuth compound into a mixed solution containing an alkali aqueous solution, a reducing agent, and a surfactant for obtaining a bismuth solution; inserting a tellium nanowire into the bismuth solution; and hydrothermally synthesizing the mixture at 80~200deg C for forming the bismuth telluride nanotube. The alkali aqueous solution is added into the bismuth solution for securing the pH of the solution in 11~13.5.
    • 目的:提供碲化铋纳米管的制备方法,以精确控制碲原子的扩散速度和铋离子的还原速度。 构成:碲化铋纳米管的制造方法包括以下步骤:将铋化合物插入含有碱水溶液,还原剂和用于获得铋溶液的表面活性剂的混合溶液中; 将碲纳米线插入铋溶液中; 并在80〜200℃下水热合成混合物,形成碲化铋纳米管。 将碱性水溶液加入到铋溶液中,以确保溶液的pH为11〜13.5。
    • 38. 发明授权
    • 각형비가 큰 진주안료 및 이의 제조방법
    • 각형비가큰진주안료및이의제조방법
    • KR100743674B1
    • 2007-07-30
    • KR1020060081600
    • 2006-08-28
    • 한국화학연구원씨큐브 주식회사
    • 이정민박병기서정권최동욱장길완임광수조성윤강광중
    • C09C1/40C09C1/64
    • Provided are a pearlescent pigment, which has a large aspect ratio and an excellent gloss and is able to express metal colors and interference colors such as silver, gold, red, purple, blue, green, etc, and a preparation method thereof. The pearlescent pigment is prepared by the steps of: mixing a water-soluble flux-containing aqueous aluminum precursor solution with an aqueous precursor solution containing 0.1-5 parts by weight, based on 100 parts by weight of the aluminum precursor, of a zinc precursor to prepare an aqueous solution of metal precursors; titrating the aqueous solution of metal precursors with an aqueous solution of sodium salt to the range of pH 6.0-7.5, and carrying out hydrolysis to prepare a mixed gel; maturing the mixed gel at 60-100°C for 5-30hours; drying the matured gel at 60-200°C for 1-48hours; crystallizing the dried gel at 850-1,300°C for 1-10hours to prepare a crystallized cake; cooling the crystallized cake to ambient temperature, dispersing the cooled cake in water of 20-90°C, filtering the dispersion to remove flux, dispersing the precipitate in 0.1-30% sulfuric acid solution of 20-90°C, filtering, washing, and drying the dispersion to prepare alpha-alumina crystals; and adjusting pH at 1.0-3.0 by adding an acid to an aqueous solution in which the alpha-alumina crystals are suspended, thereto adding 30-60 parts by weight of a metal or a precursor of metal and 30-65 parts by weight of an alkali aqueous solution based on 100 parts by weight of the crystals, and firing the admixture to form a coating layer on a crystal surface.
    • 本发明提供一种珠光颜料及其制备方法,所述珠光颜料具有大纵横比和优异的光泽度,并且能够表现金属颜色和干涉颜色,如银,金,红,紫,蓝,绿等。 该珠光颜料通过以下步骤制备:将基于100重量份的铝前体的含有0.1-5重量份的锌前体的水溶性含助熔剂的水性铝前体溶液与含水前体溶液 制备金属前体的水溶液; 用钠盐水溶液滴定金属前体水溶液至pH6.0-7.5范围内,进行水解制备混合凝胶; 在60-100℃下使混合的凝胶成熟5-30小时; 将成熟的凝胶在60-200℃干燥1-48小时; 在850-1,300℃下将干燥的凝胶结晶1-10小时以制备结晶饼; 将结晶的滤饼冷却至环境温度,将冷却的滤饼分散在20-90℃的水中,过滤分散体以除去助熔剂,将沉淀物分散在20-90℃的0.1-30%硫酸溶液中,过滤,洗涤, 并干燥该分散体以制备α-氧化铝晶体; 并通过向其中悬浮有α-氧化铝晶体的水溶液中加入酸将pH调节至1.0-3.0,向其中加入30-60重量份的金属或金属前体和30-65重量份的 基于100重量份晶体的碱性水溶液,并且烧结该混合物以在晶体表面上形成涂层。