发明名称 |
A PROCESS FOR TINTING PLASTIC ARTICLES |
摘要 |
A process for tinting a molded article is disclosed. The process entails applying by spraying or by flow coating a hot, dye-solution onto at least a portion of the surface of a molded article to obtain a tinted article and washing the tinted article. In addition to the dissolved dye, the dye solution that is substantially free of particulate matter contains an aqueous solution of a carrier and an optional emulsifier. The article is one molded of a thermoplastic molding composition. In an embodiment of the invention, the dye solution is prepared by filtering a hot aqueous solution through a bag filter that contains a dye to obtain a hot, dye-solution. In a further embodiment, activated carbon is used to purify the dye solution to obtain a dye-free aqueous solution. |
申请公布号 |
HK1092847(A1) |
申请公布日期 |
2010.04.23 |
申请号 |
HK20060113264 |
申请日期 |
2006.12.01 |
申请人 |
BAYER MATERIALSCIENCE LLC |
发明人 |
PYLES, ROBERT, A.;DERIKART, DAVID, M.;ARCHEY, RICK, L.;NIKOLAKOPOULOS, MICHAEL |
分类号 |
D06P;D06P1/651;D06P1/92 |
主分类号 |
D06P |
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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