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  1. A comparative study of cellulose nanofibrils disintegrated via multiple processing approaches

    Various cellulose nanofibrils (CNFs) created by refining and microfluidization, in combination withenzymatic or 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) oxidized pretreatment were compared. Themorphological properties, degree of polymerization, and crystallinity for the obtained nanofibrils, aswell as physical and mechanical properties of the corresponding films...

    Author(s):
    Yan Qing; Ronald Sabo; J.Y. Zhu; Umesh Agarwal; Zhiyong Cai; Yiqiang Wu
    Year:
    2013
    Keywords:
    Cellulose nanofibrils, Refining, Microfluidization, Enzymatic and chemical pretreatments
    Source:
    Carbohydrate Polymers, Volume 97, 2013; pp. 226-234.

  2. Treated and Untreated foam core particleboards with intumescent veneer

    The effectiveness of treatments for the surface layer of novel foam core particleboards was evaluated by means of Cone calorimeter tests, Foam cote particleboards with variations of surface layer treatment, adhesives, and surface layer thicknesses under similar processing conditions were used to produce the test specimen for the Cone calorimeter tests. Ignitability,...

    Author(s):
    Mark A. Dietenberger; Ali Shalbafan; Johannes Welling; Charles Boardman
    Year:
    2013
    Keywords:
    Foam core particleboard, cone calorimeter, sandwich, FRTveneer, Polystyrene foam
    Source:
    Journal of Thermal Analysis and Calorimetry, 2013; 9 p.

  3. Techniques for characterizing lignin

    Many techniques are available to characterize lignin. The techniques presented in this chapter are considered nondegradative, which are commonly applied to lignin. A brief discussion of lignin structure is included with this chapter to aid the reader in understanding why the discussed characterization techniques are appropriate for the study of lignin. Because the...

    Author(s):
    Nicole M. Stark; Daniel J. Yelle; Umesh P. Agarwal
    Year:
    2016
    Keywords:
    Lignin, chemical characterization, thermal properties, spectroscopy, structure
    Source:
    Lignin in Polymer Composites

  4. Preparation and characterization of the nanocomposites from chemically modified nanocellulose and poly(lactic acid)

    Cellulose nanocrystals (CNCs) are renewable and sustainable filler for polymeric nanocomposites. However, their high hydrophilicity limits their use with hydrophobic polymer for composite materials. In this study, freeze-dried CNCs were modified by transesterification with canola oil fatty acid methyl ester to reduce the hydrophilicity. The transesterified CNCs (CNCFE...

    Author(s):
    Liqing Wei; Shupin Luo; Armando G. McDonald; Umesh P. Agarwal; Kolby C. Hirth; Laurent M. Matuana; Ronald C. Sabo; Nicole M. Stark
    Year:
    2017
    Keywords:
    Nanocellulose, modification, nanocomposites, characterization
    Source:
    Journal of Renewable Materials. 5(5): 410-422.
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