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High-brightness non-wood pulp

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Citations Cited by
  • Title:
    High-brightness non-wood pulp
  • Author: SHANNON THOMAS GERARD ; YU ZHEYONG ; WEI NING ; PAULSON DAVID JOHN ; ACKLEY STEPHEN C
  • Subjects: APPARATUS THEREFOR ; PAPER-MAKING ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; REGENERATION OF PULPING LIQUORS ; TEXTILES
  • Description: Non-wood pulp having a fiber length of greater than about 1.70 mm and a brightness of about 80% or greater is disclosed. Relatively high brightness is achieved without losing fiber length or pulp yield. The high brightness and relatively long fiber length make the pulp well suited for the manufacture of wet-laid fiber products, in particular wet-laid tissue paper products. The pulp may be prepared from a plant of the family Asparagaceae by mechanical pulping, and more preferably by chemical mechanical pulping using a sodium hydroxide alkaline peroxide solution, where the raw stock is cleaned before bleaching to reduce debris. Preferably, the washed stock has less than about 5% debris prior to bleaching. 公开了非木纸浆，所述非木纸浆具有大于约1.70mm的纤维长度和约80％或更高的亮度。在不损失纤维长度或纸浆产率的情况下实现了相对高的亮度。高亮度和相对长的纤维长度使得所述纸浆非常适合于制造湿法成网纤维产品，特别是湿法成网薄页纸制品。所述纸浆可以由天门冬科植物通过机械制浆制备，并且更优选地通过使用氢氧化钠碱性过氧化物溶液的化学机械制浆制备，其中在漂白前清洗所述原浆以减少碎屑。优选地，所清洗的原浆在漂白前具有小于约5％的碎屑。
  • Creation Date: 2023
  • Language: Chinese;English
  • Source: esp@cenet
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