A water-in-oil emulsion ink comprises a water phase and an oil phase, wherein the water phase comprises a carbon black pigment having a pH of less than 6. The emulsion ink maintains stable rheology on ageing.
申请公布号
GB0522636(D0)
申请公布日期
2005.12.14
申请号
GB20050022636
申请日期
2005.11.04
申请人
G R ADVANCED MATERIALS LIMITED;TOHOKU RICOH CO., LTD.
