The present invention relates to an ink composition for printing capable of inking materials for an optoelectronic device and directly applying the inked materials to a patterning process. More particularly, the present invention relates to a printing ink composition for manufacturing an optoelectronic device capable of direct patterning by adjusting the physical property of a core material so as to be suitable for a printing method in the manufacturing of optoelectronic devices, for example, an organic electroluminescent device or an organic thin film transistor.
Process for preparation of silver nanoparticles, and the compositions of silver ink containing the same
申请人:Inktec Co., Ltd.
公开号:EP2752470A1
公开(公告)日:2014-07-09
The present invention relates to a process for preparation of silver complex compound and the compositions of silver ink containing the same.
The present invention includes a) preparing silver complex compound with special structure by reacting silver compound with at least one or two mixtures selected from ammonium carbamate compound, ammonium carbonate compound or ammonium bicarbonate compound and b) preparing silver nanoparticles by reacting the silver complex compound with reducer or reducing or pyrolyzing the silver complex compound by applying heat thereto.
The preparing method according to the present invention can prepare the silver nanoparticles with various shapes through a simple preparation process, improve the selectivity of the size of the silver complex compound, fire the silver complex compound even when it is fired at a low temperature of 150 °C or less during a short time, provide the ink compositions capable of forming the coating or the fine pattern showing the high conductivity while facilitating the thickness control of the coating, and provide the ink compositions capable of being applied to the reflective film material, the electromagnetic wave shield, and the antimicrobial agent, etc.
本发明涉及一种制备银络合物和含有银络合物的银墨组合物的工艺。
本发明包括 a) 通过银化合物与至少一种或两种选自氨基甲酸铵化合物、碳酸铵化合物或碳酸氢铵化合物的混合物反应,制备具有特殊结构的银络合物;b) 通过银络合物与还原剂反应,或通过加热还原或热解银络合物,制备银纳米粒子。
根据本发明的制备方法,可以通过简单的制备工艺制备出各种形状的银纳米粒子,提高了银络合物尺寸的选择性,即使在 150 ℃ 或更低的低温下短时间内烧制银络合物,也能使油墨组合物形成涂层或显示高导电性的精细图案,同时便于控制涂层的厚度,并使油墨组合物能够应用于反射膜材料、电磁波屏蔽和抗菌剂等。
PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL AND SURFACE-MODIFIED REINFORCING FIBERS
申请人:Teijin Limited
公开号:EP3444089A1
公开(公告)日:2019-02-20
The present invention provides a prepreg which is composed of at least a matrix resin and reinforcing fibers, and which is characterized in that: conductive parts are formed on one surface or both surfaces of a fiber layer that is formed of the reinforcing fibers; and the volume resistivity ρ (Ωcm) of the fiber layer in the thickness direction, the thickness t (cm) of the fiber layer and the average interval L (cm) between the conductive parts arranged on the prepreg surface satisfy formula (1). t/ρ×1/L×100≥0.5
Prepreg, fiber-reinforced composite material and surface-modified reinforcing fibers
申请人:TEIJIN LIMITED
公开号:US11352472B2
公开(公告)日:2022-06-07
The present invention provides a prepreg which is composed of at least a matrix resin and reinforcing fibers, and which is characterized in that: conductive parts are formed on one surface or both surfaces of a fiber layer that is formed of the reinforcing fibers; and the volume resistivity ρ (Ωcm) of the fiber layer in the thickness direction, the thickness t (cm) of the fiber layer and the average interval L (cm) between the conductive parts arranged on the prepreg surface satisfy formula (1).
t/ρ×1/L×100≥0.5 Formula (1):