发明名称 |
Ink-jet ink compositions containing a colored polyurethane dispersion |
摘要 |
<p>A non-erasable ink-jet ink composition is disclosed that comprises the admixture of (1) an aqueous colored polyurethane dispersion that is the reaction product of (a) a colored urethane prepolymer that is the catalyzed reaction product of at least one polyol; at least one polyisocyanate; at least one internal surfactant; and at least one reactive colorant; (b) at least one neutralizing agent; (c) an aqueous dispersing medium; and (d) at least one chain extender wherein the ratio of internal surfactant to polyol and the ratio of NCO groups to total OH groups are predetermined ratios; (2) at least one plasticizer; (3) an aqueous medium; and (4) at least one humectant, wherein the ink composition has a jettably viscosity from about 1 to about 20 centipoise at about 10 DEG C to about 45 DEG C.</p> |
申请公布号 |
EP0769509(A2) |
申请公布日期 |
1997.04.23 |
申请号 |
EP19960307248 |
申请日期 |
1996.10.03 |
申请人 |
TEKTRONIX, INC. |
发明人 |
BANNING, JEFFERY H.;BUI, LOC B. |
分类号 |
C09D11/10;C08G18/08;C08G18/12;C08G18/38;C09D11/00;(IPC1-7):C08G18/08 |
主分类号 |
C09D11/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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