Persulfate/metal mixtures for repulping and/or decolorizing paper
    4.
    发明授权
    Persulfate/metal mixtures for repulping and/or decolorizing paper 失效
    用于再浆化和/或脱色纸的过硫酸盐/金属混合物

    公开(公告)号:US5830382A

    公开(公告)日:1998-11-03

    申请号:US480064

    申请日:1995-06-07

    CPC分类号: D21C5/022 Y02W30/648

    摘要: Repulping and/or decolorizing formulations and mixtures which include a catalytic amount of a salt of a metal such as copper, iron, silver, or nickel; a persulfate; and from 0-10% saccharide. Formulations containing a carbonate, sesquicarbonate or bicarbonate for adjusting pH are preferred. A method of repulping and/or decolorizing broke, whether containing wet strength resin or not, using the formulations or mixtures of the ingredients in the formulations.

    摘要翻译: 包含催化量的金属如铜,铁,银或镍的盐的制浆和/或脱色制剂和混合物; 过硫酸盐; 和0-10%的糖。 含有用于调节pH的碳酸酯,倍半碳酸盐或碳酸氢盐的制剂是优选的。 使用制剂中的配方或成分的混合物,重新制浆和/或脱色的方法,不管是否含有湿强度树脂。

    Persulfate mixtures for repulping wet strength paper
    5.
    发明授权
    Persulfate mixtures for repulping wet strength paper 失效
    用于再湿浆纸的过硫酸盐混合物

    公开(公告)号:US5972164A

    公开(公告)日:1999-10-26

    申请号:US972072

    申请日:1997-11-17

    摘要: A method for repulping a wet strength paper is disclosed. Wet strength paper, which contains a wet strength resin, is agitated in water to form an aqueous slurry. An effective amount of a composition that contains a dry mixture of a persulfate and a base in the range of 90:10 to 10:90 is added either before or during agitation, and the slurry heated to produce pulp product for paper manufacture. The persulfate/base combination is capable of breaking down the wet strength resin and adjusting or maintaining the pH at a predetermined level without additional chemical treatment.

    摘要翻译: 公开了一种用于再湿浆纸的方法。 含有湿强度树脂的湿强度纸在水中搅拌形成含水浆料。 在搅拌前或搅拌期间,有效量的含有过硫酸盐和碱的干混合物的组合物在90:10至10:90的范围内加入,并将浆料加热制成用于造纸的纸浆产品。 过硫酸盐/碱组合能够分解湿强度树脂并将pH调节或保持在预定水平而无需额外的化学处理。

    Method for repulping and/or decolorizing broke using persulfate/metal
mixtures
    6.
    发明授权
    Method for repulping and/or decolorizing broke using persulfate/metal mixtures 失效
    使用过硫酸盐/金属混合物重新制浆和/或脱色的方法

    公开(公告)号:US5888350A

    公开(公告)日:1999-03-30

    申请号:US949805

    申请日:1997-10-14

    IPC分类号: D21C5/02 D21F1/66

    CPC分类号: D21C5/022 Y02W30/648

    摘要: Repulping and/or decolorizing formulations and mixtures which include a catalytic amount of a salt of a metal such as copper, iron, silver, or nickel; a persulfate; and from 0-10% saccharide. Formulations containing a carbonate, sesquicarbonate or bicarbonate for adjusting pH are preferred. A method of repulping and/or decolorizing broke, whether containing wet strength resin or not, using the formulations or mixtures of the ingredients in the formulations.

    摘要翻译: 包含催化量的金属如铜,铁,银或镍的盐的制浆和/或脱色制剂和混合物; 过硫酸盐; 和0-10%的糖。 含有用于调节pH的碳酸酯,倍半碳酸盐或碳酸氢盐的制剂是优选的。 使用制剂中配方或成分的混合物,重新制浆和/或脱色的方法,不管是否含有湿强度树脂。

    Persulfate mixtures for repulping wet strength paper
    7.
    发明授权
    Persulfate mixtures for repulping wet strength paper 失效
    用于再湿浆纸的过硫酸盐混合物

    公开(公告)号:US5718837A

    公开(公告)日:1998-02-17

    申请号:US819454

    申请日:1997-03-17

    摘要: A composition containing a persulfate and a carbonate, a bicarbonate or sesquicarbonate, which composition is suitable for oxidizing wet strength resin based broke used in wet strength paper. The combination decreases the time required for effectively repulping broke from such paper. Additionally, the combination is a single product capable of beaking down the wet strength resin and adjusting or maintaining pH at a predetermined value without additional chemical treatment.

    摘要翻译: 含有过硫酸盐和碳酸盐,碳酸氢盐或倍半碳酸盐的组合物,其组合物适用于湿强度纸中使用的湿强度树脂基断裂。 该组合减少了有效地重新制造从这样的纸张打破所需的时间。 此外,该组合是能够浸湿湿强度树脂并且将pH调节或保持在预定值而不进行附加化学处理的单一产品。