| 发明名称 |
Process for the colouring or optical brightening of paper webs |
| 摘要 |
Relatively high-molecular-weight C10-C20-alk(en)yl(poly)amines, preferably in alkoxylated form, improve the dyeing qualities of sized papers. The post-sizing agent is added after the first drying step or in the post-sizing press.
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| 申请公布号 |
CH616470(A5) |
申请公布日期 |
1980.03.31 |
| 申请号 |
CH19750009440 |
申请日期 |
1975.07.18 |
| 申请人 |
SANDOZ AG |
发明人 |
DR. JEAN-PIERRE CARRARD;DR. RICHARD HOCHREUTER;HANS STETTLER |
| 分类号 |
D21H21/28;D21H21/30;(IPC1-7):D21H3/80 |
主分类号 |
D21H21/28 |
| 代理机构 |
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代理人 |
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| 地址 |
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