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喷墨记录用水性油墨

申请公布号:CN1408796A

申请号:CN02143209.0

申请日期:2002.09.19

申请公布日期:2003.04.09

申请人:
兄弟工业株式会社

发明人:谷口晶彦;津田政之;东山俊一;藤冈昌也

分类号:C09D11/02

主分类号:C09D11/02

代理机构:
上海专利商标事务所

代理人:胡烨

地址:日本爱知县

摘要:本发明的喷墨记录用油墨中的水分含量X(重量%)与饱和粘度Y满足Y≤4.50e<SUP>0.09X</SUP>。其中的饱和粘度Y是在温度60℃以及湿度40%的条件下使油墨中的挥发成分蒸发,当蒸发程度达到每50g油墨的重量变化低于0.05g/日时得到的油墨残留液在湿度40%的环境下冷却至25℃时的粘度(mPa·s),X满足50≤X≤75。该油墨在一般情况下使用时,显现出良好的喷射稳定性,同时在不盖喷嘴帽放置这样的异常情况下也容易恢复到正常的喷射状态。

主权项:1.喷墨记录用水性油墨,其特征在于,所含水分量X(重量%)与饱和粘度Y满足下式(1):Y≤4.50e0.09X ……(1)式中,饱和粘度Y是在温度60℃以及湿度40%的条件下使油墨中的挥发成分蒸发,当蒸发程度达到每50g油墨的重量变化低于0.05g/日时得到的油墨残留液在湿度40%的环境下冷却至25℃时的粘度(mPa·s),X满足50≤X≤75。

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