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    • 4. 发明申请
    • ADDITIVES WITH CLOUD POINTS TO IMPROVE EFFICIENCY OF RELEASE AGENTS
    • 添加剂与云点提高释放剂的效率
    • WO2014107329A1
    • 2014-07-10
    • PCT/US2013/076718
    • 2013-12-19
    • GEORGIA-PACIFIC CHEMICALS LLC
    • TOWNSEND, David F.
    • D21H27/40D21H17/33
    • B31F1/126D21H21/146D21H27/02
    • This disclosure relates to papermaking and the use of creping adhesive and release agent compositions used in papermaking. In one aspect, there is provided a new class of release agents and compositions comprising release agents, the release agent comprising: a) a release agent comprising a quaternary imidazoline compound, an imidazoline free base, an oil-based dispersion, or a combination thereof; and b) a polyether component selected from a polypropylene glycol (PPG), a co-polymer of propylene glycol and ethylene glycol (co-PPG-PEG), a blend of polypropylene glycol (PPG) and polyethylene glycol (PEG), and a combination thereof, wherein the release composition has a cloud point in water at standard pressure from about 1°C to about 98°C. There are also provided creping compositions having a cloud point, comprising an adhesive composition and a release composition as described.
    • 本公开涉及造纸和在造纸中使用起皱粘合剂和脱模剂组合物的用途。 一方面,提供了一类新的脱模剂和包含脱模剂的组合物,该脱模剂包括:a)包含季咪唑啉化合物,咪唑啉游离碱,油基分散体或其组合的脱模剂 ; 和b)选自聚丙二醇(PPG),丙二醇和乙二醇(共-PPG-PEG)的共聚物,聚丙二醇(PPG)和聚乙二醇(PEG)的共混物)和 其组合,其中释放组合物在约1℃至约98℃的标准压力下具有水中的浊点。 还提供了具有浊点的起皱组合物,其包含如上所述的粘合剂组合物和释放组合物。
    • 7. 发明申请
    • RELEASE AIDS WITH ADJUSTABLE CLOUD POINTS FOR CREPING PROCESSES
    • 用可调节的云点释放艾滋病
    • WO2015095841A1
    • 2015-06-25
    • PCT/US2014/071748
    • 2014-12-19
    • GEORGIA-PACIFIC CHEMICALS LLC
    • TOWNSEND, David F.HAGIOPOL, Cornel
    • D21H21/06D21H21/08D21H17/53D21H17/37A47K10/16
    • D21H21/146B31F1/126
    • Methods for making cellulosic fiber webs using release aids containing one or more polyethers and one or more hydrophilic polymers. In at least one specific embodiment, a release aid having a first temperature can be applied to a drying surface having a second temperature. The second temperature can be greater than the first temperature. The release aid, in an aqueous solution that includes water and about 3 vol% of the release aid based on the total volume of the release aid and water, can have a cloud point greater than the first temperature and less than the second temperature at a pressure of 100 kPa. The method can also include adhering a cellulosic fiber web to the drying surface by contacting the cellulosic fiber web to the drying surface. The method can also include dislodging the cellulosic fiber web from the drying surface.
    • 使用含有一种或多种聚醚和一种或多种亲水聚合物的释放助剂制备纤维素纤维网的方法。 在至少一个具体实施方案中,具有第一温度的释放助剂可以施加到具有第二温度的干燥表面上。 第二个温度可以大于第一个温度。 在基于释放助剂和水的总体积的包含水和约3体积%的释放助剂的水溶液中的释放助剂可以具有大于第一温度并小于第一温度的浊点 压力100 kPa。 该方法还可以包括通过使纤维素纤维网与干燥表面接触将纤维素纤维网粘附到干燥表面上。 该方法还可以包括从干燥表面去除纤维素纤维网。
    • 9. 发明申请
    • GREASEPROOF PAPER WITH LOWER CONTENT OF FLUOROCHEMICALS
    • 具有较低含量的氟化物的GREASEPROOF纸
    • WO2014059121A1
    • 2014-04-17
    • PCT/US2013/064302
    • 2013-10-10
    • GEORGIA-PACIFIC CHEMICALS LLC
    • JOHNSTON, James W.TOWNSEND, David F.HAGIOPOL, CornelTALBERT, Lakeisha D.RUFFNER, Charles G.
    • D21H21/14D21H17/44D21H17/63D21H17/56
    • D21H17/74D21H17/11D21H17/63D21H21/16D21H27/00
    • Methods for making and using aqueous dispersions for imparting grease/oil resistance to paper, paperboard and cellulose fiber products generally are provided. In particular, there are provided aqueous colloidal dispersions comprising nanoparticles of at least one colloidal clay and an aqueous fluorochemical, which can be applied to, on, or in paper, paperboard and cellulose fiber products. The paper and products that have been modified using these aqueous dispersions have good resistance to oil and grease penetration with lower overall amounts of aqueous fluorochemicals being required. Additional methods for imparting grease/oil resistance to paper, paperboard and cellulose fiber products generally are provided. In particular, there is provided a process for improving the oil and grease resistance of a cellulose fiber material, the process comprising: a) applying a pretreatment composition comprising a cationic polymer to a cellulose fiber material in a size press to form a pretreated cellulose substrate; b) drying the pretreated cellulose substrate; and c) applying a fluorochemical composition to the dry pretreated cellulose substrate to form an oil-repellent cellulose fiber material.
    • 通常提供制造和使用水性分散体以赋予纸,纸板和纤维素纤维产品润滑脂/耐油性的方法。 特别地,提供了包含至少一种胶体粘土和含氟含氟化合物的纳米颗粒的水性胶体分散体,其可以应用于纸张和纤维素纤维产品的纸上或纸上。 使用这些水性分散体改性的纸和产品具有良好的耐油和润滑脂渗透性,需要较低总含量的含氟化合物。 通常提供了赋予纸,纸板和纤维素纤维产品润滑脂/耐油性的其它方法。 特别地,提供了一种改善纤维素纤维材料的耐油脂和耐油脂性的方法,该方法包括:a)在压片机中将包含阳离子聚合物的预处理组合物施加到纤维素纤维材料上以形成预处理的纤维素基材 ; b)干燥预处理的纤维素基质; 和c)将含氟化合物组合物施加到干预处理的纤维素基质上以形成拒油纤维素纤维材料。