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    • 19. 发明专利
    • Semiconductive polyimide belt and a method of manufacturing the same
    • 空值
    • JP3895679B2
    • 2007-03-22
    • JP2002359195
    • 2002-12-11
    • 日東電工株式会社
    • 俊光 橘智之 笠置
    • C08L79/08G03G15/00B29C41/08B29K79/00B29L29/00C08K3/00G03G15/16
    • PROBLEM TO BE SOLVED: To provide a semiconductive belt usable for an intermediate transferring belt of an electrophotographic recording device, having electric characteristics and dimensional stability hardly affected by the environment, and further having excellent durability; and to provide a method for producing the semiconductive belt. SOLUTION: The hygroscopic expansion coefficients of the belt in the peripheral direction and the width direction, the folding strength in the peripheral direction and the width direction, and the thickness and dispersion of the belt are regulated so as to have prescribed values. Especially, a polyamic acid containing a prescribed proportion or more of a component comprising BPDA is preferably used. The method for producing the belt preferably comprises carrying out chemical imidation, and maintaining the highest heating temperature at the drying or the imidation within a prescribed range. COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:提供可用于电子照相记录装置的中间转印带的半导体带,具有几乎不受环境影响的电特性和尺寸稳定性,并且还具有优异的耐久性; 并提供一种用于制造半导体带的方法。 解决方案:调节带在周向和宽度方向上的吸湿膨胀系数,圆周方向和宽度方向上的折叠强度以及带的厚度和分散性,使其具有规定值。 特别优选使用含有规定比例或更多的包含BPDA的组分的聚酰胺酸。 制造带的方法优选包括进行化学酰亚胺化,并且将干燥时的最高加热温度保持在规定范围内。 版权所有(C)2004,JPO&NCIPI