发明名称 |
METHOD FOR IMPROVING THE PERFORMANCE OF OPTICAL BRIGHTENING AGENTS |
摘要 |
The invention provides a more effective optical brightener composition for coating paper substrates. The invention includes an optical brightening agent (OBA) and a glycerol based polymer. This combination results in a composition that provides a surprisingly large whitening effect and does not degrade the shade of the paper. As a result extremely high degrees of whiteness can be achieved without being frustrated by the greening effect.
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申请公布号 |
US2011008637(A1) |
申请公布日期 |
2011.01.13 |
申请号 |
US20090499916 |
申请日期 |
2009.07.09 |
申请人 |
BROADUS KATHERINE M;LI XIAOJIN HARRY;DUGGIRALA PRASAD Y |
发明人 |
BROADUS KATHERINE M.;LI XIAOJIN HARRY;DUGGIRALA PRASAD Y. |
分类号 |
B32B29/00 |
主分类号 |
B32B29/00 |
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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