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    • 24. 发明申请
    • Oil-resistant filter wrapper paper
    • 耐油滤纸包装纸
    • US20140137880A1
    • 2014-05-22
    • US14165629
    • 2014-01-28
    • DELFORTGROUP AG
    • Roland ZitturiDietmar VolggerDieter Möhring
    • A24D3/06
    • D21H27/08A24D1/02A24D3/02A24D3/06A24D3/061D21H15/06D21H17/28D21H17/30D21H17/31
    • A filter wrapper paper for a smoking article is shown, the paper having a content of long-fiber pulp of at least 30 wt %, preferably at least 40 wt %, relative to the pure fiber mass of the paper. The freeness of the long-fiber pulp as per ISO 5267, Schopper-Riegler method, is between 80° SR and 100° SR, preferably between 85° SR and 95° SR. The filter wrapper paper has a filler content of less than 10 wt %, preferably less than 8 wt %, and especially preferably less than 6 wt % relative to the total mass of the paper and is impregnated with a material that is suitable for forming an aqueous composition, more particularly an aqueous solution or an aqueous suspension. The oil-resistance of the filter wrapper paper has a KIT level of at least 4, preferably at least 5, according to TAPPI T559 cm-02.
    • 示出了用于吸烟制品的过滤包装纸,该纸具有相对于纸的纯纤维质量为至少30重量%,优选至少40重量%的长纤维纸浆的含量。 根据ISO 5267,Schopper-Riegler方法,长纤维纸浆的游离度在80°SR和100°SR之间,优选在85°SR和95°SR之间。 过滤包装纸的填料含量相对于纸的总质量小于10重量%,优选小于8重量%,特别优选小于6重量%,并且浸渍有适于形成 水性组合物,更特别是水溶液或水性悬浮液。 根据TAPPI T559cm-02,过滤包装纸的耐油性具有至少4,优选至少5的KIT水平。
    • 28. 发明申请
    • PROCESS FOR PRODUCING MODIFIED CELLULOSE PULPS, CELLULOSE PULP THUS OBTAINED AND USE OF BIOPOLYMER FOR PRODUCING CELLULOSE PULPS
    • 用于生产改性纤维素浆的方法,获得的纤维素浆和用于生产纤维素浆的生物聚合物的用途
    • US20130228297A1
    • 2013-09-05
    • US13636075
    • 2011-03-21
    • Romolo RanocchiaAdemilson MassoqueteDanilo Oyakawa
    • Romolo RanocchiaAdemilson MassoqueteDanilo Oyakawa
    • D21H17/28
    • D21H23/04D21C3/222D21C5/025D21C9/005D21C9/1036D21H11/20D21H17/21D21H17/24D21H17/28Y02W30/648
    • The present invention relates to an improved process for producing chemical cellulose pulp wherein biopolymers are added immediately before, during or after a bleaching step, depending on pulp characteristics and on process conditions used. The biopolymers according to the present invention are starch by an etherification reaction. This treatment results in a differentiated pulp having improved physical, chemical and mechanical properties when compared with cellulose pulps obtained by traditional processes. The use of said biopolymer alters the relations between important pulp properties rendering their application in papermaking process advantageous. This differentiation increases the possibilities of use and also of new applications, including for the substitution of pulps produced from other cellulose sources. Thus, the present invention also relates to a process for the preparation of paper, such as printing, writing, decorative, special or tissue-type papers, through the use of the cellulose pulps modified by the above process.
    • 本发明涉及一种生产化学纤维素纸浆的改进方法,其中根据纸浆特性和使用的工艺条件,在漂白步骤之前,期间或之后添加生物聚合物。 根据本发明的生物聚合物是通过醚化反应的淀粉。 与通过传统方法获得的纤维素纸浆相比,该处理导​​致具有改善的物理,化学和机械性能的分化纸浆。 所述生物聚合物的使用改变了重要纸浆性质之间的关系,使其在造纸过程中的应用有利。 这种分化增加了使用的可能性,也增加了新应用的可能性,包括替代其他纤维素来源的纸浆。 因此,本发明还涉及通过使用通过上述方法修饰的纤维素纸浆来制备纸的方法,例如印刷,书写,装饰性,特殊或组织型纸。