发明名称 |
MÉTODO PARA MELHORAR A REMOÇÃO DE ÁGUA DE UMA FOLHA DE PAPEL EM UMA MÁQUINA DE PAPEL |
摘要 |
The invention provides a composition which comprises one or more aldehyde-functionalized polymers comprising amino and/or amido groups wherein at least about 15 mole percent of the amino and/or amido groups are functionalized by reacting with one or more aldehydes. The composition optionally additionally comprises at least about 60 mole percent unreacted aldehyde. In addition, the invention provides a method of enhancing a papermaking process, the method comprising adding the composition in the papermaking process. |
申请公布号 |
BRPI0506686(B1) |
申请公布日期 |
2014.12.30 |
申请号 |
BR2005PI06686 |
申请日期 |
2005.01.21 |
申请人 |
NALCO COMPANY |
发明人 |
MICHAEL R. ST. JOHN;ANGELA P. ZAGALA |
分类号 |
D21H17/06;C08F8/28;D21H17/37;D21H17/55;D21H21/10 |
主分类号 |
D21H17/06 |
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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