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Polysiloxane-lignin composites

Authors

  • George Stiubianu,

    Corresponding author
    1. “Petru Poni”, Institute of Macromolecular Chemistry, Inorganic Polymers Department, Aleea Gr. Ghica Voda 41A, Iasi 700487, Romania
    • “Petru Poni”, Institute of Macromolecular Chemistry, Inorganic Polymers Department, Aleea Gr. Ghica Voda 41A, Iasi 700487, Romania
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  • Maria Cazacu,

    1. “Petru Poni”, Institute of Macromolecular Chemistry, Inorganic Polymers Department, Aleea Gr. Ghica Voda 41A, Iasi 700487, Romania
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  • Mariana Cristea,

    1. “Petru Poni”, Institute of Macromolecular Chemistry, Inorganic Polymers Department, Aleea Gr. Ghica Voda 41A, Iasi 700487, Romania
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  • Angelica Vlad

    1. “Petru Poni”, Institute of Macromolecular Chemistry, Inorganic Polymers Department, Aleea Gr. Ghica Voda 41A, Iasi 700487, Romania
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Abstract

A series of composites based on polydimethylsiloxane-α,ω-diol (PDMS) as polymeric matrix, silica aerogel as reinforcing filler, and the lignin powder—a biomass derivative, as bulking filler, have been prepared. Different weight ratios between components were used. The composites were investigated by scanning electron microscopy, dynamic mechanical analysis, tensile strength tests, X-ray diffraction analysis, thermogravimetric analysis, and differential scanning calorimetry. The results were compared with those obtained on a reference sample prepared by using a classical material—diatomite and a pure crosslinked PDMS. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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