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  • Open Access


    Study on the Effect of Two-Step Saturated Steam Heat Treatment Process on the Properties of Reconstituted Bamboo

    Xin Han1,4, Zhichao Lou1,3,4,*, Chenglong Yuan1,4, Xinwu Wu1,4, Jie Liu1,4, Fujin Weng2, Yanjun Li1,4,*

    Journal of Renewable Materials, Vol.10, No.12, pp. 3313-3334, 2022, DOI:10.32604/jrm.2022.021066

    Abstract With the aim of utilizing reconstituted bamboo as a carbon cycle-oriented material, the improvement of physical and mechanical properties has been actively studied to solve using problems. The saturated steam heat treatment process has been widely used in worldwide. With the development and exploration of this technology, two-step saturated steam heat treatment process appears in some practical production, that is, after a period of saturated steam heat treatment at a lower temperature, the bamboo bundles are taken out and seasoned for a period of time, and then put back into the heat tank again, and… More >

  • Open Access


    Study on Preparation of Lignin-Containing Nanocellulose from Bamboo Parenchyma

    Wenli Gu1, Shiyi Zeng1, Assima Dauletbek2, Bin Xu1,3,*, Xinzhou Wang1, Man Yuan1, Yanni Gu1

    Journal of Renewable Materials, Vol.10, No.2, pp. 385-399, 2022, DOI:10.32604/jrm.2022.016457

    Abstract Bamboo vascular bundle fiber and parenchyma (BP) are separated by high-temperature treatment with saturated steam. Bamboo vascular bundle fiber is widely used in the market, but how to develop and utilize parenchyma tissue is a difficult problem. The sulfated cellulose nanofibers (ANFs) were obtained by sulfating BP with a deep eutectic solvent (DES), which provided a theoretical basis for the value-added utilization of BP. Using DES as the reaction medium and reagent, the BP was grafted with a sulfonic acid group to form a gel substance in water, ANFs and nanocellulose gel were obtained by More > Graphic Abstract

    Study on Preparation of Lignin-Containing Nanocellulose from Bamboo Parenchyma

  • Open Access


    Fabrication of Crack-Free Flattened Bamboo and Its Macro-/Micro-Morphological and Mechanical Properties

    Zhichao Lou1,2, Tiancheng Yuan1, Qiuyi Wang1, Xinwu Wu1, Shouheng Hu1, Xiaomeng Hao1, Xianmiao Liu3,*, Yanjun Li1,*

    Journal of Renewable Materials, Vol.9, No.5, pp. 959-977, 2021, DOI:10.32604/jrm.2021.014285

    Abstract This work aimed to help the bamboo industry develop methodology for producing imperfection-free bamboo boards that can serve either decorative or structural benefit to consumers seeking to engage with the bioeconomy. Specifi- cally, softened and slotted bamboo tubes were handled by a roller device with nails to render crack-free flattened bamboo board. Softening temperature and time were optimized herein according to findings regarding chemical composition and board mechanical properties. The optimal softening parameters for saturated steam heat treatment is proved to be 160°C for 8 minutes. The flattened bamboo board possesses an increased bending strength… More >

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