发明名称 |
Ink formulations and uses thereof |
摘要 |
The present invention provides a chemical ink comprises a solvent, a binder polymer, a colorant and optionally a crosslinker. The ink of the invention has one or more of the following characteristics: a viscosity lower than about 50 centipoises; a surface tension of from about 20 mN/m to about 60 mN/m; a particle size of less than about 5 mum; prolonged stability; an appropriate color level (visible by eye); uniform drop formation; jet stability; good adhesion to contact lenses; good transfer from a mold to a lens made in the mold; and stability of ink in inkjet nozzles. The ink of the invention is useful for inkjet printing of a high-quality color image on a contact lens or a mold so as to produce a colored contact lens.
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申请公布号 |
US2007117884(A1) |
申请公布日期 |
2007.05.24 |
申请号 |
US20070650209 |
申请日期 |
2007.01.05 |
申请人 |
TUCKER ROBERT C;CORTI SANDRA |
发明人 |
TUCKER ROBERT C.;CORTI SANDRA |
分类号 |
B41J2/01;C09D11/00;B41M5/00;G02C7/04 |
主分类号 |
B41J2/01 |
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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