发明名称 |
METHOD FOR INCREASING THE ADVANTAGES OF STRENGTH AIDS IN THE PRODUCTION OF PAPER AND PAPERBOARD |
摘要 |
The invention relates to a method for manufacturing paper, paperboard or cardboard comprising the steps of (a) pulping an aqueous cellulosic material containing a starch; (b) preventing at least a portion of the starch from being microbially degraded by treating the aqueous cellulosic material containing the starch with one or more biocides; and (h) adding a dry and/or wet strength polymer to the cellulosic material. |
申请公布号 |
EP2748373(A1) |
申请公布日期 |
2014.07.02 |
申请号 |
EP20120758770 |
申请日期 |
2012.08.24 |
申请人 |
ASHLAND LICENSING AND INTELLECTUAL PROPERTY, LLC |
发明人 |
KRAPSCH, LUDWIG;MC GREGOR, CHRISTOPHER JOHN;DE LA VARENDE, JEAN VICTOR MALLARD |
分类号 |
D21H17/28;D21C5/02;D21H21/28;D21H21/36 |
主分类号 |
D21H17/28 |
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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