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    • 5. 发明申请
    • Bicomponent strengthening system for paper
    • 纸张双组份强化系统
    • US20060065380A1
    • 2006-03-30
    • US11281109
    • 2005-11-17
    • Gil GarnierJeffrey LindsayThomas ShannonMichael LostoccoLacey HansenKelly BranhamDan Siderius
    • Gil GarnierJeffrey LindsayThomas ShannonMichael LostoccoLacey HansenKelly BranhamDan Siderius
    • D21H21/20
    • D21H17/56D21H17/20D21H17/37D21H17/42D21H17/71D21H23/04
    • The present invention is directed to a bicomponent strengthening system and the paper webs produced with the bicomponent strengthening system. Through use of the strengthening system, paper webs may be produced in which the strength characteristics of the web may be specifically tailored. The first component of the system comprises a polymer having at least about 1.5 m-eq primary amine functionality per gram of polymer and a molecular weight of at least about 10,000 Daltons. The second component may be either a polymeric anionic compound or a polymeric aldehyde functional compound. For example, the polyamine polymer component may be a polyvinylamine or polysaccharide having primary amine functionality. In one embodiment, the second component may be a cationic polymeric aldehyde functional compound. For example, the second component may be a cationic glyoxylated polyacrylamide. In another embodiment, the second component may be a polymeric anionic compound comprising carboxy functionality.
    • 本发明涉及双组分强化体系和由双组分强化体系生产的纸幅。 通过使用强化系统,可以制造纸幅,其中纤维网的强度特性可以被特别地定制。 该体系的第一组分包含具有至少约1.5m当量伯胺官能度/克聚合物和分子量至少约10,000道尔顿的聚合物。 第二组分可以是聚合阴离子化合物或聚合醛官能化合物。 例如,聚胺聚合物组分可以是具有伯胺官能团的聚乙烯胺或多糖。 在一个实施方案中,第二组分可以是阳离子聚合醛官能化合物。 例如,第二组分可以是阳离子乙醛酸聚丙烯酰胺。 在另一个实施方案中,第二组分可以是包含羧基官能团的聚合阴离子化合物。