摘要:
An inkjet recording method performed by inkjet recording device including nozzle plate with nozzle to eject droplets of ink; recording head including liquid chamber with which the nozzle is in communication, and pressure-generating unit configured to generate pressure in the liquid chamber; and signal-generating unit configured to generate signal applied to the pressure-generating unit, and allowing the droplets of the ink to eject by the pressure generated by the pressure-generating unit according to the signal, wherein the ink has static surface tension of 18.0 mN/m to 27.0 mN/m at 25° C., the ink has receding contact angle on the nozzle plate of less than 50°, the signal has two-step pull pulse for pulling the ink into the nozzle in two-step manner within one printing unit cycle, and the method includes pulling the ink located in proximity to nozzle outlet into the nozzle of the two-step pull pulse, to form meniscus at predetermined position.
摘要:
An inkjet recording method performed by inkjet recording device including nozzle plate with nozzle to eject droplets of ink; recording head including liquid chamber with which the nozzle is in communication, and pressure-generating unit configured to generate pressure in the liquid chamber; and signal-generating unit configured to generate signal applied to the pressure-generating unit, and allowing the droplets of the ink to eject by the pressure generated by the pressure-generating unit according to the signal, wherein the ink has static surface tension of 18.0 mN/m to 27.0 mN/m at 25° C., the ink has receding contact angle on the nozzle plate of less than 50°, the signal has two-step pull pulse for pulling the ink into the nozzle in two-step manner within one printing unit cycle, and the method includes pulling the ink located in proximity to nozzle outlet into the nozzle of the two-step pull pulse, to form meniscus at predetermined position.
摘要:
An inkjet recording method is performed using an inkjet recording device including a recording head provided with a nozzle, a pressure chamber, a pressure generator and a driving signal generator, the method satisfying the following requirements (1) and (2): (1) it is required to use aqueous ink having a dynamic surface tension larger by 10 mN/m or more than a static surface tension when the surface life measured at 25° C. by a maximum foaming pressure method is 15 ms and a dynamic surface tension larger by 5 mN/m or more than a static surface tension when the surface life measured by a maximum foaming pressure method is 1500 ms and (2) it is required that the signals have a drawing pulse in one print period and a meniscus of the aqueous ink is drawn into the nozzle in two stages by the drawing pulse.
摘要翻译:使用包括具有喷嘴,压力室,压力发生器和驱动信号发生器的记录头的喷墨记录装置进行喷墨记录方法,该方法满足以下要求(1)和(2):(1) 需要使用动态表面张力大于静态表面张力10mN / m 2以上的水性油墨,当通过最大发泡压力法在25℃下测定的表面寿命为15ms,动态表面张力较大时 当通过最大发泡压力法测量的表面寿命为1500ms时,静态表面张力为5mN / m以上;(2)要求信号在一个打印周期内具有拉丝脉冲,并且需要水平的弯月面 油墨通过拉伸脉冲两个阶段被吸入喷嘴。
摘要:
An inkjet recording method is performed using an inkjet recording device including a recording head provided with a nozzle, a pressure chamber, a pressure generator and a driving signal generator, the method satisfying the following requirements (1) and (2): (1) it is required to use aqueous ink having a dynamic surface tension larger by 10 mN/m or more than a static surface tension when the surface life measured at 25° C. by a maximum foaming pressure method is 15 ms and a dynamic surface tension larger by 5 mN/m or more than a static surface tension when the surface life measured by a maximum foaming pressure method is 1500 ms and (2) it is required that the signals have a drawing pulse in one print period and a meniscus of the aqueous ink is drawn into the nozzle in two stages by the drawing pulse.
摘要翻译:使用包括具有喷嘴,压力室,压力发生器和驱动信号发生器的记录头的喷墨记录装置进行喷墨记录方法,该方法满足以下要求(1)和(2):(1) 需要使用动态表面张力大于静态表面张力10mN / m 2以上的水性油墨,当通过最大发泡压力法在25℃下测定的表面寿命为15ms,动态表面张力较大时 当通过最大发泡压力法测量的表面寿命为1500ms时,静态表面张力为5mN / m以上;(2)要求信号在一个打印周期内具有拉丝脉冲,并且需要水平的弯月面 油墨通过拉伸脉冲两个阶段被吸入喷嘴。
摘要:
An inkjet recording method, containing: applying a stimulus to an inkjet recording ink to jet the ink, to form an image on a recording medium, wherein the ink contains water, a water-soluble organic solvent, a colorant, and a surfactant, and has a predetermined surface life time as measured by a maximum bubble pressure method and a predetermined static surface tension, wherein the recording medium contains a support, and a recording layer provided at least one surface of the support, where the recording layer contains a cationic resin in a predetermined amount, and is a medium for a concealing postcard where the recording medium is folded to bond a surface of the recording layer to face each other with an adhesive after information is recorded on the surface of the recording layer, in which the surface of the recording layer has a predetermined 10-sec Cobb size degree.
摘要:
An ink contains water, a coloring material, a resin, and an organic solvent, wherein the dried layer of the ink has a surface free energy γS having a polar component γSp of from 3.5 to 20 J/m2 at 25 degrees C.
摘要:
An image forming method includes applying white ink containing hollow resin particulate to a recording medium and contacting a heating roller having a diameter of 200 mm or less with a first surface of the recording medium.
摘要:
An image forming method is provided. The method includes the steps of (a) applying an ink to a recording medium to form an image and (b) applying a pressure to the recording medium to which the ink has been applied. The ink comprises water, an organic solvent, and a colorant. When the ink is formed into an ink film, a maximum value of logarithmic damping ratio of the ink film is 1.50 or less and a time elapsed until the logarithmic damping ratio reaches the maximum value is 3,800 seconds or less, when measured by a rigid-body pendulum test at 60° C.
摘要:
Two types of decimating mask patterns having different ink gradation ratio distributions are prepared, and in the outbound and inbound passes of a head unit during bidirectional printing, the numbers of times ink is ejected from nozzle rows in recording heads provided for each ink are controlled using mask patterns that differ in accordance with the darkness of the ink.
摘要:
In order to present a temperature sensor which works stable also in a high temperature condition showing only a small deviation in the resistance value of thermistor, the invented temperature sensor comprises a heat resisting cap (5) made of a metal, a thermistor (1) housed inside the heat resisting cap (5) and at least more than one lead wire (4) which is electrically connected with the thermistor (1) and is pulled out of said heat resisting cap (5), said heat resisting cap (5) being formed with an alloy containing Ni—Cr as the main ingredient.