发明公开
EP3240839A4 WHITE INKS
审中-公开
- 专利标题: WHITE INKS
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申请号: EP15890999申请日: 2015-05-29
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公开(公告)号: EP3240839A4公开(公告)日: 2017-11-08
- 发明人: KASPERCHIK VLADEK , BRUINSMA PAUL JOSEPH , BUTLER THOMAS W
- 申请人: HEWLETT-PACKARD DEV COMPANY L P
- 专利权人: HEWLETT-PACKARD DEV COMPANY L P
- 当前专利权人: HEWLETT-PACKARD DEV COMPANY L P
- 优先权: US2015027743 2015-04-27; US2015027793 2015-04-27
- 主分类号: C09D11/30
- IPC分类号: C09D11/30 ; B41J2/01 ; B41M5/00 ; C09D11/106 ; C09D11/322 ; C09D11/326 ; C09D11/38 ; C09D11/54
摘要:
The present disclosure provides a white ink including an aqueous ink vehicle; from 5 wt % to 50 wt % of a white metal oxide pigment having an average particulate size from 75 nm to 2,000 nm and a refractive index of 1.8 to 2.8; and from 0.1 wt % to 15 wt % of fumed oxide particulates having a tertiary agglomerated average particulate size from 20 nm to 750 nm and a refractive index of 1.1 to 1.6. The white ink further includes a polymeric dispersant associated with a surface of the white metal oxide pigment.
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