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Official Journal of the Japan Wood Research Society

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Preparation of strongly acidic cation-exchange resins from gymnosperm acid hydrolysis lignin

Journal of Wood Science volume 46, pages 477–479 (2000)Cite this article

Abstract

The chemical preparation of strongly acidic cation-exchange resin from sulfuric acid lignin (Klason lignin) (SAL), a typical acid hydrolysis lignin, was investigated. Sulfonation of resinified SAL itself gave a resin with an ion-exchange capacity of 2.3 mEq/g. After resinification with formaldehyde, the phenolized SAL with a reactivep-hydroxyphenyl group yielded a resin with an ion-exchange capacity of 3.2 mEq/g. The latter capacity is superior to that of the corresponding commercial phenol-type resins (2–3 mEq/g), but did not reach the level of the corresponding commercial styrene-type resins (4-5 mEq/g).

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Authors and Affiliations

  1. Division of Biological Material Sciences, Department of Biosphere Resources Science, Graduate School of Bioagricultural Sciences, Nagoya University, 464-8601, Nagoya, Japan

    Seiichi Yasuda & Kyoko Asano

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  1. Seiichi Yasuda
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  2. Kyoko Asano
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Correspondence to Seiichi Yasuda.

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Yasuda, S., Asano, K. Preparation of strongly acidic cation-exchange resins from gymnosperm acid hydrolysis lignin. J Wood Sci 46, 477–479 (2000). https://doi.org/10.1007/BF00765807

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