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Mass Deacidification Treatments of Acidic Bamboo Paper

Sen'i Gakkaishi, 2012, Vol.68(6), pp.143-148

ISSN: 0037-9875 ;EISSN: 1884-2259 ;DOI: 10.2115/fiber.68.143

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  • Title:
    Mass Deacidification Treatments of Acidic Bamboo Paper
  • Author: Win, Khine Khine ; Okayama, Takayuki
  • Is Part Of: Sen'i Gakkaishi, 2012, Vol.68(6), pp.143-148
  • Description: Suppression of the deterioration of acidic bamboo paper by the Bookkeeper process (BK) and the dry　ammonia ethylene oxide process (DAE) was investigated. These deacidification processes reduce the acidity of both　acidic bamboo and hardwood papers to pH 8, which is comparable to acid-free paper. Deacidified bamboo and　hardwood papers had higher pHs than untreated papers after accelerated aging for one week at 100 °Cin a sealed tube.　Both deacidification processes preserved the mechanical properties (e.g., folding endurance and zero-span tensile　strength) of bamboo papers after one week of sealed tube aging. In contrast, bamboo papers deacidified by BK and　DAE processes exhibited a significance loss in tearing strength after one week of tube aging, compared with deacidified　hardwood papers. The reduction in the tearing strength of deacidified bamboo papers depended considerably on the　reduction in the degree of polymerization during sealed tube aging. Due to the rapid reduction rate of degree of　polymerization during sealed tube aging for one week of bamboo papers deacidified by DAE process, such paper　exhibited appreciably higher degradation rates than bamboo papers deacidified by the BK process.
  • Publisher: The Society of Fiber Science and Technology, Japan
  • Language: English
  • Identifier: ISSN: 0037-9875
    EISSN: 1884-2259
    DOI: 10.2115/fiber.68.143
  • Source: Alma/SFX Local Collection
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