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    • 16. 发明申请
    • TEMPORARY WET STRENGTH AGENTS AND PRODUCTS MADE FROM SUCH AGENTS
    • 从这些代理产生的临时湿度试剂和产品
    • US20090229776A1
    • 2009-09-17
    • US11577602
    • 2005-09-26
    • Naijie ZhangMichael Ryan
    • Naijie ZhangMichael Ryan
    • D21H17/55D21H17/00C09D191/06C09D1/00C09D7/12
    • D21H21/20
    • The invention relates to a tissue product comprising (a) tissue fibrous web incorporated throughout the tissue product; (b) a temporary wet strength agent capable of forming hemi-acetal bonds with the fibers of the web to prevent immediate degradation of the web when the tissue product contacts water; and (c) a composition containing a degrading agent selected from the group consisting of alkaline agents, oxidizing agents, nucleophilic agents, and combinations thereof; such that the tissue product has at least one surface and the degrading agent is located substantially throughout the surface of the fibrous web in an amount sufficient to make the fibrous web exhibit (i) an immediate wet tensile strength of at least 90% of the wet strength as compared to a web that does not contain a degrading agent and (ii) a wet soak decay that is at least a ten point improvement as compared to a tissue fibrous web that does not contain a degrading agent. The invention also relates to compositions for making the product, methods for making the composition, and methods for using the composition.
    • 本发明涉及一种纸巾制品,其包含(a)整个纸巾产品中整合的纸巾纤维纸; (b)能够与纤维网的纤维形成半缩醛键的临时湿强剂,以防止当纸巾产品与水接触时纤维网立即降解; 和(c)含有选自碱剂,氧化剂,亲核剂及其组合的降解剂的组合物; 使得组织产品具有至少一个表面,并且降解剂基本上位于纤维网的整个表面上,其量足以使纤维网呈现(i)立即湿拉伸强度至少为湿的90% 与不含降解剂的纤维网相比,和(ii)与不含降解剂的组织纤维网相比,至少十点改善的湿浸泡衰减相比,强度。 本发明还涉及制备该产品的组合物,该组合物的制备方法和该组合物的使用方法。
    • 17. 发明申请
    • HIGH-PERFORMANCE STRENGTH RESINS IN PAPERMAKING INDUSTRIES
    • 造纸工业中的高性能强度树脂
    • US20090071618A1
    • 2009-03-19
    • US11571768
    • 2005-04-19
    • Naijie ZhangMichael S. Ryan
    • Naijie ZhangMichael S. Ryan
    • D21H17/38C08G69/48C08G73/06
    • C08K5/0008C08L33/26
    • A composition comprising a functionalized water-soluble, cationic, thermosetting, cellulose reactive polymer with a doubly structured backbone that is the reaction product of: (a) a copolymerized (i) acrylamide component, (ii) cationic co-monomer component and (iii) at least one multifunctional crosslinking monomer component; and (b) a cellulose reactive agent component; such that the acrylamide component, the cationic co-monomer component, the multifunctional crosslinking monomer component, and the cellulose reactive agent component are in an amount sufficient amount to produce a polymer that imparts strength to a fibrous substrate when the polymer is added to paper stock during a papermaking process. The invention also relates to methods for making and using such a composition.
    • 一种组合物,其包含具有双重结构主链的官能化水溶性阳离子,热固性纤维素反应性聚合物,其为以下反应产物:(a)共聚的(i)丙烯酰胺组分,(ii)阳离子共聚单体组分和(iii )至少一种多官能交联单体组分; 和(b)纤维素反应剂组分; 使得丙烯酰胺组分,阳离子共聚单体组分,多官能交联单体组分和纤维素反应剂组分的量足以产生当将聚合物加入到纸料中时赋予纤维基质强度的聚合物 在造纸过程中。 本发明还涉及制备和使用这种组合物的方法。