Scholarlink

<p>Dimethyl sulfoxide (DMSO) has gained attention in cellulose-related researchs as an accelerator of cellulose dissolution. However, the comprehension of its influence on the transparency of regenerated cellulose membranes, which is crucial for composite materials in textile water treatment, remains superficial. To investigate the effect of DMSO on cellulose membranes, we developed high transparency regenerated cellulose membranes via an environmentally friendly method at room temperature, enabling the effective immobilization of TiO<sub>2</sub> within the membrane matrix. The preparation process involves introducing TiO<sub>2</sub> particles into a solution of microcrystalline cellulose/tetrabutylphosphonium hydroxide with co-solvent DMSO and subsequent coagulation in propylene carbonate. The membranes’ physicochemical characterization was investigated by Fourier transform infrared spectroscopy, X-ray diffraction, and thermogravimetric analysis. The transparency and morphological characteristics of the membranes were analyzed through UV–Vis spectroscopy and scanning electron microscopy. The specific impacts of DMSO on the membrane properties, namely cellulose solution viscosity, porosity, and photocatalytic performance, were studied. Results showed that incorporating DMSO significantly enhances the optical clarity and light transmittance of the membranes from 1.35 to 100% as well as efficiency in treating organic dye in wastewater (≈&#xa0;90% methylene blue removal). These findings suggest that DMSO plays a crucial role in modifying the structural properties of the membranes, thereby improving transparency. This study provides valuable insights for developing cellulose-based materials with tailored optical properties for applications requiring high transparency and performance.</p> Graphical abstract <p></p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Enhancing transparency and performance of regenerated cellulose membrane for organic dye treatment: the role of dimethyl sulfoxide in structural modification

  • 期刊论文

  • 发表日期：

    2025年4月16日

查看全文
  • Mai Ngoc Nguyen,
  • Thu Minh Truong,
  • Vi Quynh Nguyen,
  • Phuong Mai Cao,
  • Thuy Tran Thi,
  • Bang Cong Nguyen

摘要

Dimethyl sulfoxide (DMSO) has gained attention in cellulose-related researchs as an accelerator of cellulose dissolution. However, the comprehension of its influence on the transparency of regenerated cellulose membranes, which is crucial for composite materials in textile water treatment, remains superficial. To investigate the effect of DMSO on cellulose membranes, we developed high transparency regenerated cellulose membranes via an environmentally friendly method at room temperature, enabling the effective immobilization of TiO2 within the membrane matrix. The preparation process involves introducing TiO2 particles into a solution of microcrystalline cellulose/tetrabutylphosphonium hydroxide with co-solvent DMSO and subsequent coagulation in propylene carbonate. The membranes’ physicochemical characterization was investigated by Fourier transform infrared spectroscopy, X-ray diffraction, and thermogravimetric analysis. The transparency and morphological characteristics of the membranes were analyzed through UV–Vis spectroscopy and scanning electron microscopy. The specific impacts of DMSO on the membrane properties, namely cellulose solution viscosity, porosity, and photocatalytic performance, were studied. Results showed that incorporating DMSO significantly enhances the optical clarity and light transmittance of the membranes from 1.35 to 100% as well as efficiency in treating organic dye in wastewater (≈ 90% methylene blue removal). These findings suggest that DMSO plays a crucial role in modifying the structural properties of the membranes, thereby improving transparency. This study provides valuable insights for developing cellulose-based materials with tailored optical properties for applications requiring high transparency and performance.

Graphical abstract