发明名称 |
Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps |
摘要 |
A method and article of manufacture thereof is provided for reducing brightness reversion in bleached lignin-containing pulps or newsprint by the treatment of the bleached lignin-containing pulp or newsprint with 2,5-dihydroxydioxane. In one embodiment, calcium carbonate is added to enhance the activity of 2,5-dihydroxydioxane. |
申请公布号 |
AU7715894(A) |
申请公布日期 |
1995.03.21 |
申请号 |
AU19940077158 |
申请日期 |
1994.08.24 |
申请人 |
THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK;MINERALS TECHNOLOGIES, INC. |
发明人 |
RAYMOND C FRANCIS;DANIEL B EVANS |
分类号 |
D21H19/10;D21C9/00;D21C9/10;D21H11/00;D21H17/00;D21H17/03;D21H17/05;D21H17/66;D21H23/04;D21H23/30 |
主分类号 |
D21H19/10 |
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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