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    • 3. 发明授权
    • Amino-functionalized pulp fibers
    • 氨基官能化纸浆纤维
    • US06936136B2
    • 2005-08-30
    • US10335133
    • 2002-12-31
    • Thomas G. ShannonDavid Moline
    • Thomas G. ShannonDavid Moline
    • D21C9/00D21H11/20D21H17/24D21H17/34D21H17/42D21H17/53D21H21/14D21H21/20D21H10/22
    • D21C9/005D21H11/20D21H17/24D21H17/34D21H17/42D21H17/53D21H21/14D21H21/20
    • The disclosed invention is directed to pulp fibers suitable for forming a wet-laid paper product which include amino-functionality which is non-extractable in an aqueous phase. The pulp fibers may be prepared by applying an amino-functional additive to a fibrous web prior to the finishing operation at a pulp mill. The fibrous web may then be repulped at a papermaking machine to form a paper web which includes the amino-functionalized fibers of the present invention. A paper web formed of the amino-functionalized fibers may display unique and/or improved reactivity toward certain papermaking additives. For instance, the paper webs of the disclosed invention may show dry tensile strength increases of greater than 40% when treated with a permanent wet strength agent such as a polyamine epichlorohydrin wet strength agent, whereas a paper web which does not include the amino-functionalized fibers of the present invention may show less than a 20% increase in strength properties when treated with the same strength agents.
    • 所公开的发明涉及适于形成湿法成网纸产品的纸浆纤维,其包括在水相中不可萃取的氨基官能团。 纸浆纤维可以通过在纸浆厂进行精加工操作之前将氨基官能添加剂施加到纤维网上来制备。 然后可以在造纸机上将纤维幅材再浆化以形成包括本发明的氨基官能化纤维的纸幅。 由氨基官能化纤维形成的纸幅可以显示针对某些造纸添加剂的独特和/或改善的反应性。 例如,当用永久湿强度剂如多胺表氯醇湿强度剂处理时,所公开的发明的纸幅可以显示大于40%的干拉伸强度增加,而不包括氨基官能化的纸幅 当用相同的强度剂处理时,本发明的纤维的强度性能可以显示小于20%的增加。