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    • 1. 发明申请
    • METHOD FOR PREPARING PERMANENTLY HYDROPHOBIC AEROGEL AND PERMANENTLY HYDROPHOBIC AEROGEL PREPARED BY USING THE METHOD
    • 制备永久性疏水性空气和使用该方法制备的永久性疏水性空气的方法
    • US20090247655A1
    • 2009-10-01
    • US12304130
    • 2007-10-10
    • Gyung-Soo KimHyun-Aee ChunHyun-Chul ChoiYoung-Jung Kim
    • Gyung-Soo KimHyun-Aee ChunHyun-Chul ChoiYoung-Jung Kim
    • C08J9/28
    • C01B33/159
    • A method for preparing permanently hydrophobic aerogel and permanently hydrophobic aerogel prepared by the method. The method comprises adding sodium silicate to HCl at 30 to 90° C. until an acidity reaches pH 3-5, to form silica hydrogel under acidic conditions of pH 3-5, washing the silica hydrogel with distilled water using a mixer, followed by filtering, adding the silica hydrogel to a silylating solution of silylating agent in n-butanol at pH 1-5 using an acid selected from hydrochloric acid, sulfuric acid, phosphoric acid and nitric acid, to simultaneously conduct silylation and solvent replacement, and drying the silica hydrogel; The method has the following advantages; i) silylation and solvent replacement can be simultaneously conducted, ii) n-butanol is used as a reaction solvent instead of methanol upon silylation, thus obtaining a thermal conductivity comparable to conventional aerogel powders, iii) silylation is conducted under improved conditions, i.e., strong acidic conditions of pH 1-5, and as a result, all of the aerogel powders can be reacted with a silylating agent, thereby obtaining permanently hydrophobic aerogel, iv) the washing with a mixer makes the amount of removed sodium ions uniform, thus it is suitable for mass-production, and v) the method provides a relatively simplified procedure and the use of the silylating agent in a small amount enables low costs and mass-production.
    • 一种通过该方法制备永久性疏水性气凝胶和永久疏水性气凝胶的方法。 该方法包括在30〜90℃的HCl中加入硅酸钠,直到酸度达到pH 3-5,在pH 3-5的酸性条件下形成二氧化硅水凝胶,使用混合器用蒸馏水洗涤二氧化硅水凝胶, 过滤,使用选自盐酸,硫酸,磷酸和硝酸的酸将二氧化硅水凝胶加入硅烷化试剂在正丁醇中的pH1-5的甲硅烷基化溶液中,同时进行甲硅烷基化和溶剂置换,并干燥 二氧化硅水凝胶; 该方法具有以下优点: i)可以同时进行甲硅烷基化和溶剂置换,ii)甲硅烷基化时,正丁醇用作反应溶剂而不是甲醇,从而获得与常规气凝胶粉末相当的热导率,iii)甲硅烷基化在改进的条件下进行, pH为1-5的强酸性条件,结果,所有气凝胶粉末均可与甲硅烷基化剂反应,从而获得永久性疏水性气凝胶,iv)用混合器洗涤使得去除的钠离子的量均匀,因此 它适用于批量生产,以及v)该方法提供了相对简化的程序,并且少量使用甲硅烷化剂能够实现低成本和批量生产。
    • 8. 发明授权
    • Photopolymerization electrode paste composition
    • 光聚合电极糊组合物
    • US07582229B2
    • 2009-09-01
    • US11634840
    • 2006-12-07
    • Keun Soo LeeSeok Hyun JungGyung Soo KimJong Hyung ChoiJeong Seob Shim
    • Keun Soo LeeSeok Hyun JungGyung Soo KimJong Hyung ChoiJeong Seob Shim
    • H01B1/22
    • H01B1/22H01J9/02H01J11/12H01J11/22H01J11/24H01J11/44H01J2211/225H01J2211/444H01M4/0466H01M4/48H01M4/54H01M4/621
    • The present invention relates to an electrode paste composition, a front plate of plasma display panel, and a manufacturing method manufactured using the same. The front plate of plasma display panel comprises a front substrate, a bus electrode disposed on a predetermined position of the front substrate and a black matrix disposed in each discharge cell. The paste composition for a bus electrode comprises about 5 to 20 parts by weight of a binder, about 2 to 15 parts by weight of a photopolymerization monomer, about 1 to 8 parts by weight of a photopolymerization initiator, about 5 to 20 parts by weight of a solvent, about 1 to 10 parts by weight of a glass powder, about 50 to 80 parts by weight of a metal powder and about 0.1 to 5 parts by weight of a boron oxide (B2O3). In the paste composition and the front plate of the plasma display panel using the same according to the present invention, it can be formed a bus electrode on a substrate directly using a paste composition for electrode which is mixed a boron oxide in a silver.
    • 电极糊组合物,等离子体显示面板的前板及其制造方法技术领域本发明涉及电极糊组合物,等离子体显示面板的前板以及使用其制造的制造方法。 等离子体显示面板的前板包括前基板,设置在前基板的预定位置的总线电极和布置在每个放电单元中的黑矩阵。 用于总线电极的糊剂组合物包含约5至20重量份的粘合剂,约2至15重量份的光聚合单体,约1至8重量份的光聚合引发剂,约5至20重量份 的溶剂,约1至10重量份的玻璃粉末,约50至80重量份的金属粉末和约0.1至5重量份的氧化硼(B 2 O 3)。 在根据本发明的使用其的等离子体显示面板的糊组合物和前板中,可以直接使用将氧化硼混合在银中的电极用糊剂组合物在基板上形成总线电极。