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    • 1. 发明授权
    • Electrostatic image developing toner, production method thereof, electrostatic image developer and image-forming process
    • 静电图像显影调色剂,其制备方法,静电图像显影剂和成像方法
    • US06329114B1
    • 2001-12-11
    • US09453822
    • 1999-12-03
    • Yukiko WatanabeTakao IshiyamaManabu SerizawaTakeshi ShojiYasuo Matsumura
    • Yukiko WatanabeTakao IshiyamaManabu SerizawaTakeshi ShojiYasuo Matsumura
    • G03G9087
    • G03G9/0821G03G9/0819G03G9/09G03G9/097
    • An electrostatic image developing toner wherein in the dynamic viscoelasticity of the toner, the lowest temperature at which the value of the storage elastic modulus (G′) of the toner coincides with the value of the loss elastic modulus (G″) of the toner obtained under a frequency of 6.28 rad/second in a temperature dispersion measurement at a temperature of at least 0° C. is in the range of from 60 to 75° C., or the weight average molecular weight of the toner obtained by a GPC measurement is in the range of from 20,000 to 65,000 and the peak area that the molecular weight of the toner obtained by the GPC measurement is not larger than 1,000 is 3.0% or lower. The toner is excellent in the document offset property, the bending resistance of the fixed image, the releasing property of the fixing sheet, and transparency of as optically projected image, has charging uniformity and a high stability, gives no fog and toner scattering, and can form images of excellent quality.
    • 一种静电图像显影调色剂,其中在调色剂的动态粘弹性中,调色剂的储能弹性模量(G')的值与调色剂的损耗弹性模量(G“)的值一致的最低温度 在温度至少为0℃的温度分散测量中以6.28rad /秒的频率获得的值在60至75℃的范围内,或通过GPC获得的调色剂的重均分子量 测量范围为20,000至65,000,并且通过GPC测量获得的调色剂的分子量不大于1,000的峰面积为3.0%以下。调色剂在文档偏移性,耐弯曲性方面优异 的固定图像,固定片的释放特性和作为光学投影图像的透明度具有充电均匀性和高稳定性,不会产生雾和调色剂飞散,并且可以形成优质的图像。
    • 5. 发明授权
    • Toner for developing electrostatic charge and process for producing
same, developer and process for forming image
    • 用于显影静电荷的调色剂及其制造方法,用于形成图像的显影剂和工艺
    • US6080519A
    • 2000-06-27
    • US377180
    • 1999-08-19
    • Takao IshiyamaManabu SerizawaAtsuhiko EguchiTakeshi ShojiYasuo Matsumura
    • Takao IshiyamaManabu SerizawaAtsuhiko EguchiTakeshi ShojiYasuo Matsumura
    • G03G9/08G03G9/087
    • G03G9/0821G03G9/08782G03G9/08791
    • It is to provide a toner for developing static charge and a process for producing the same that is excellent in peelability of the fixing sheet, adhesion of the fixed image, bending resistance of the fixed image, Dispersibility of the releasing agent in the toner and transparency on an OHP sheet, and can provide a high quality fixed image, as well as a developer and a process for forming an image. It relates to a toner for developing electrostatic charge of the invention including a coloring agent and a binder resin and a process for producing the same, wherein the relaxation modulus of elasticity G(t) at a relaxation time t=10.times.Dt (wherein Dt represents a heating time on fixing) obtained from measurement of dynamic viscoelasticity is adjusted to a range of from 2.0.times.10.sup.2 to 3.0.times.10.sup.3 Pa, or the relaxation modulus of elasticity G(t=0.01) at a relaxation time of 0.01 sec obtained from measurement of dynamic viscoelasticity is adjusted to a range of from 2.0.times.10.sup.2 to 3.0.times.10.sup.4 Pa, and the ratio G(r) (G(t=0.01)/G(t=0.1)) of the relaxation modulus of elasticity G(t=0.01) to a relaxation modulus of elasticity G(t=0.1) at a relaxation time of 0.1 sec is adjusted to a range of from 1.0 to 18.0, as well as a developer and a process for forming an image using the developer.
    • 提供用于显影静电的调色剂及其制造方法,其定影片的可剥离性优异,固定图像的粘附性,固定图像的抗弯曲性,调色剂中的脱模剂的分散性和透明性 在OHP片材上,并且可以提供高质量的固定图像,以及用于形成图像的显影剂和工艺。 本发明涉及包含着色剂和粘合剂树脂的本发明的静电电荷用调色剂及其制造方法,其中松弛时间t = 10×Dt时的弛豫弹性模量G(t)(式中,Dt表示 通过动态粘弹性测定获得的动态粘弹性测定得到的固化时的加热时间调整为2.0×102〜3.0×103Pa的范围,或松弛弹性模量G(t = 0.01) 调节到2.0×102〜3.0×104Pa的范围,松弛弹性模量G(t = 0.01)的比G(r)(G(t = 0.01)/ G(t = 0.1)) 将弛豫时间为0.1秒的松弛弹性模量G(t = 0.1)调节至1.0〜18.0的范围,以及显影剂和使用显影剂形成图像的工序。