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    • 54. 发明公开
    • HIGH PERFORMANCE PAPER AND PROCESS FOR PRODUCING THE SAME
    • 赫尔辛基斯堡
    • EP0812956A1
    • 1997-12-17
    • EP96943319.2
    • 1996-12-26
    • Oji Paper Co., Ltd.
    • SUZUKI, Yukiko, Oji Paper Co., Ltd.KISHIMOTO, Makio, Oji Paper Co., Ltd.OEDA, Yoshitaka, Oji Paper Co., Ltd.YAMORI, Tsunefumi, Oji Paper Co., Ltd.
    • D21G1/00D21H17/07D21H17/47D21H17/68
    • D21H25/005D21G1/00D21H17/06D21H17/07D21H17/375D21H17/47D21H19/14D21H19/18D21H19/40D21H21/16D21H21/20
    • The present invention provides as a first feature thereof a process for producing paper which is characterized in that material paper is passed through a nip provided by a metal roll and another metal roll under a linear pressure of 200 to 2500 kg/cm.
      The present invention provides as a second feature thereof a paper which is characterized in that the paper is produced by forming a coating layer containing a moisture-proof resin is formed on both surfaces of material paper before or after the material paper is passed through a nip provided by a metal roll and another metal roll under a linear pressure of 200 to 2500 kg/cm.
      The present invention provides as a third feature thereof a paper which is characterized in that the paper is produced by incorporating an interfiber crosslinking agent for cellulose into material paper, and thereafter passing the material paper through a nip provided by a metal roll and another metal roll under a linear pressure of 200 to 2500 kg/cm.
      The present invention provides as a fourth feature thereof a process for producing paper comprising at least two laminated sheets of paper, the process being characterized by passing at least two sheets of material paper through a nip provided by a metal roll and another metal roll under a linear pressure of 500 to 2500 kg/cm.
    • 本发明的第一个特征在于提供一种纸的制造方法,其特征在于,在200〜2500kg / cm 2的线压力下,将材料纸通过由金属辊和另一金属辊提供的辊隙。 本发明的第二特征在于提供一种纸,其特征在于,通过在材料纸通过辊隙之前或之后形成在材料纸的两个表面上形成包含防湿树脂的涂层来制造纸张 由金属辊和另一金属辊在200至2500kg / cm 2的线性压力下提供。 本发明的第三个特征是提供一种纸,其特征在于,通过将纤维素的纤维间交联剂加入材料纸中,然后使材料纸通过由金属辊和另一金属辊提供的辊隙 在200至2500kg / cm的线性压力下。 本发明的第四个特征在于提供了一种包括至少两层叠纸的纸的生产方法,该方法的特征在于使至少两张材料纸通过金属辊和另一金属辊所提供的压区 线性压力为500〜2500kg / cm。
    • 56. 发明公开
    • Method of making an ultra soft, high basis weight tissue and product produced thereby
    • 维尔法赫恩zur Herstellung eines ultraweichen Tissuepapiers mit hohem Grundgewicht
    • EP0806520A1
    • 1997-11-12
    • EP97303190.9
    • 1997-05-09
    • JAMES RIVER CORPORATION OF VIRGINIA
    • Leege, Joseph C.Ramesh, Ranga
    • D21F11/00D21H27/40B32B29/00
    • B32B29/005B32B29/00B32B2250/26B32B2307/54D21F11/04D21F11/14D21H15/02D21H17/07D21H21/18D21H21/22D21H25/005D21H27/40
    • The present invention is a method of making an ultra soft, multi-ply tissue using wet press technology and the product produced thereby.
      The method comprises:

      (a) providing a fibrous pulp including 35 to 90% of a first fiber, wherein said first fiber has an average fiber length of 2.0 mm or less and a coarseness of 12 mg/100 metres or less;
         and including 10 to 65% of a second fiber having an average fiber length greater than 2.0 mm and a coarseness of less than 35 mg/100 metres
         wherein said pulp further includes up to about 5 lb/ton (2.5 kg/tonne) of a strength adjusting agent;
      (b) forming a first nascent web (W) from said pulp, where said first web (W) has a basis weight of at least about 11 lbs/3000 sq.ft. (5 kg/280 sq. metres) ream;
      (c) including in said first web (W) at least about 1.0 lbs/ton (0.5 kg/tonne) of a cationic nitrogenous softener;
      (d) dewatering said first web (W) through wet pressing;
      (e) adhering said first web (W) to a Yankee dryer (26);
      (f) creping (27) said first web (W) from Yankee dryer (26), wherein the adhesion between said first web (W) and said Yankee dryer (26) is controlled to achieve a reel crepe of at least about 20%;
      (g) forming a second nascent web (W) as recited in steps (a)-(f) above;
      (h) combining said first web (W) with said second web (W) to form a two-ply web;
      (i) wherein either said first and second webs (W) are calendered individually prior to combination into a two-ply web or said two-ply web is calendered.

      Optionally, the combined webs are sprayed with a softener and embossed with a pattern (figure 2).
      Steps (a)-(f), (g) and (i) are controlled to result in a two-ply tissue product having an MD tensile strength of about 27 to about 38 g/3" (76 mm) width per lb. (0.45 kg) of basis weight, a CD tensile strength of about 10 to about 23 g/3" (76 mm) width per lb. (0.45 kg) of basis weight, a caliper of at least about 3 mils/lb. (045 kg) basis weight, a GM MMD friction of less than about 0.190, and a tensile stiffness of less than about 0.72 g/% strain per lb. (0.45 kg) of basis weight.
    • 本发明是使用湿式压制技术制造超柔软多层组织的方法,由此制造产品。 该方法包括:(a)提供包含35-90%第一纤维的纤维纸浆,其中所述第一纤维的平均纤维长度为2.0mm或更小,粗度为12mg / 100米或更小; 并且包括10至65%的平均纤维长度大于2.0mm并且粗糙度小于35mg / 100米的第二纤维,其中所述纸浆还包括高达约5磅/吨(2.5kg /吨)的 强度调节剂; (b)从所述纸浆形成第一初生纤维网(W),其中所述第一纤维网(W)具有至少约11磅/3000平方英尺的基重。 (5公斤/ 280平方米); (c)在所述第一网(W)中包含至少约1.0lbs / ton(0.5kg / tonne)的阳离子含氮软化剂; (d)通过湿压对所述第一纤维网(W)进行脱水; (e)将所述第一网(W)粘附到扬克烘缸(26)上; (f)从扬克烘缸(26)起皱(27)所述第一卷筒纸(W),其中控制所述第一卷筒纸(W)和所述扬克烘干机(26)之间的粘合力以达到至少约20% ; (g)如上述步骤(a) - (f)所述形成第二初生纤维网(W); (h)将所述第一纤维网(W)与所述第二纤维网(W)组合以形成双层纤维网; (i)其中所述第一和第二纤维网(W)在组合成双层纤维网之前单独压延,或者所述双层纤维网被压延。 任选地,组合的网被软化剂喷涂并用图案压花(图2)。 控制步骤(a) - (f),(g)和(i)以产生MD拉伸强度为约27至约38g / 3“(76mm)宽度/ lb的双层纸巾产品。 (0.45kg)的单位面积重量,CD拉伸强度为约10至约23g / 3“(76mm)宽度/磅(0.45kg)的基重,厚度至少约3密尔/磅。 (045kg)基重,GM MMD摩擦小于约0.190,拉伸刚度小于约0.72g /%应变/磅(0.45kg)的基重。
    • 60. 发明公开
    • Soft absorbent tissue paper comprising a biodegadable quaternized di-methylated amine-ester compound and a permanent wet strength resin
    • 该可生物降解的季铵化的胺 - 二甲基化酯柔软剂和包含柔软的,吸收性的薄纸一个daueres湿强度树脂
    • EP0718436A2
    • 1996-06-26
    • EP96100311.8
    • 1992-10-19
    • THE PROCTER & GAMBLE COMPANY
    • Van Phan, DeanTrokhan, Paul Dennis
    • D21H17/06D21H17/07D21H17/37D21H17/55
    • D21H21/20D21H17/06D21H17/07D21H17/375D21H17/53D21H17/55
    • Tissue paper webs useful in the manufacture of soft, absorbent products such as paper towels, napkins, and facial tissues, and processes for making the webs. The tissue paper webs comprise papermaking fibers, a biodegradable quaternary ammonium compound, a polyhydroxy plasticizer, and a permanent wet strength resin. The process comprises a first step of forming an aqueous papermaking furnish from the above-mentioned components. The second and third steps in the basic process are the deposition of the papermaking furnish onto a foraminous surface such as a Fourdrinier wire and removal of the water from the deposited furnish. An alternate process involves the use of the furnish containing the aforementioned components in a papermaking process which will produce a pattern densified fibrous web having a relatively high bulk field of relatively low fiber density in a patterned array of spaced zones of relatively high fiber density.
    • 薄纸网中的柔软,吸水性产品的制造中有用:如纸巾,餐巾纸,和面巾纸,和制备的纤维网。 薄纸纤网包括造纸纤维,可生物降解的季铵化合物,一种多羟基增塑剂和永久湿强度树脂。 该方法包括在从上述组分wässrige造纸配料形成的第一步骤。 在基本工艺中的第二和第三步骤是在造纸的沉积提供在有孔表面:如长网并除去水从沉积的配料中。 一个替代方法涉及含在造纸过程中,上述组分whichwill产生的图案具有在相对高纤维密度的间隔开的区域的图案化阵列相对低纤维密度的相对高松厚区致密化纤维纸幅的用途配料的。