| 发明名称 |
FWA formulation used for the papermaking process |
| 摘要 |
A new fluorescent whitening agent (FWA) formulation containing 0.1%-99.9% fluorescent brightener #351 (FB #351) 4,4″-bis(2-sulfostyryl)biphenyl disodium salt (CAS #27344-41-8) and 0.1%-99.9% fluorescent brightener #71 (FB #71) 4,4′-bis[4-anilino-6-morpholino-1,3,5-triazin-2-yl]amino-2,2′-stilbene disodium salt (CAS #16090-02-1) is used on the wet-end papermaking process and coating papermaking process to increase the brightness of paper. |
| 申请公布号 |
US9181656(B2) |
申请公布日期 |
2015.11.10 |
| 申请号 |
US201314073856 |
申请日期 |
2013.11.06 |
| 申请人 |
|
发明人 |
Li Meng Jun;Li Eric Ji Wei |
| 分类号 |
D21H17/12;C09K11/06;D21H21/30 |
主分类号 |
D21H17/12 |
| 代理机构 |
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代理人 |
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| 主权项 |
1. A fluorescent whitening agent (FWA) formulation consisting of 0.1-99.1 weight % for 4,4′-Bis(2-sulfostyryl)biphenyl disodium salt (CAS #27344-41-8) and 99.9-0.1 wt % for 4,4′-bis[4-anilino-6-morpholino-1,3,5-triazin-2-yl]amino-2,2′-stilbene disodium salt (CAS #16090-01-1). |
| 地址 |
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