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    • 63. 发明公开
    • 도전성 실리콘 페이스트
    • 导电硅胶
    • KR1020010079360A
    • 2001-08-22
    • KR1020010040887
    • 2001-07-09
    • 한국과학기술연구원주식회사 스위치코리아
    • 박민김준경이건웅정승훈
    • H01B1/04
    • PURPOSE: A conductive silicon paste is provided to realize a conductive paste having a high shielding efficiency, apply the conductive paste to high precision machines and prevent damage of the precision machines due to heat. CONSTITUTION: A conductive metal particle has a number average diameter of less than 7μm and a number average degree of dispersion of more than 4. A silicon component is a room temperature dry lamination type one-part silicon resin. The metal particle may have a number average diameter of less than 5μm and a number average degree of dispersion of more than 5. The conductive metal particle is selected from the group consisting of silver, silver-coated copper, nickel, silver-coated nickel and their mixture. The metal particle is preprocessed with an organic acid and glycerol mixture. The conductive silicon paste is used by generating an induced electron after the metal particle is mechanically crushed. The conductive silicon paste is used for shielding an electromagnetic wave of an electromagnetic appliance.
    • 目的:提供导电硅膏,以实现高屏蔽效率的导电膏,将导电浆涂抹于高精度机器上,防止精密机器受热损伤。 构成:导电金属颗粒的数均粒径小于7μm,数均分散度大于4.硅组分是室温干层压型单组分硅树脂。 金属颗粒的数均粒径可以小于5μm,数均分散度大于5.导电金属颗粒选自银,镀银铜,镍,镀银镍和 他们的混合物。 金属颗粒用有机酸和甘油混合物预处理。 在金属颗粒被机械破碎之后,通过产生感应电子来使用导电硅浆。 导电硅浆用于屏蔽电磁设备的电磁波。
    • 65. 发明授权
    • 결정성폴리아미드구형분말의제조방법
    • 制备球形球状聚氨酯粉末的优点
    • KR100127095B1
    • 1998-04-02
    • KR1019940014940
    • 1994-06-28
    • 한국과학기술연구원
    • 최철림김준경임순호이광희박민
    • C08J3/12C08J3/00
    • The crystalline single spherulite polyamide was prepared by the following steps 1) forming a transparent homogeneous solution by completely dissolving the block crystalline polyamide resin such as nylon 4, nylon 6 or nylon 6,6, etc. at high temperature in a phase separation solvent, 2) forming an opaque heterogeneous solution by phase separating the solvents such as glycerol, ethylene glycol, diethylene glycol, 2-butene-1,4-diol or their mixture, and the polyamide of the single spherulite by cooling at low temperature, 3) precipitating the separated polyamide by washing the solvent, 4) obtaining the independent crystalline single sperulite polyamide powder having 1- 100um of diameter polydispersities less than 1.10 by filtrating and drying the precipitates.
    • 通过以下步骤制备结晶单球晶聚酰胺:1)通过在相分离溶剂中高温完全溶解尼龙4,尼龙6或尼龙6,6等嵌段结晶性聚酰胺树脂,形成透明均匀溶液, 2)通过在低温下冷却,通过相分离甘油,乙二醇,二甘醇,2-丁烯-1,4-二醇或它们的混合物等溶剂和单球晶的聚酰胺,形成不透明的非均相溶液; 3) 通过洗涤溶剂使分离的聚酰胺沉淀; 4)通过过滤和干燥沉淀物,获得具有小于1.10的直径为100微米的多分散性的独立的结晶单一的纯正硅酸酯聚酰胺粉末。