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  1. Facile Preparation of Cellulose/Polylactide Composite Materials with Tunable Mechanical Properties

    A solvent-free route was developed to fabricate 100% biobased, renewable, and degradable polylactide (PLA) composites reinforced will ball-milled celluloses. The results show that the original pulp cellulose fibers were modified to partial amorphization through 30-min ball milling. Filling the ball-milled celluloses into PLA increased the tensile modulus for the...

    Author(s):
    Tao Qiang; Jinwu Wang; Michael P. Wolcott
    Year:
    2018
    Keywords:
    Ball milling, cellulose, mechanical properties, polylactide, statistical analysis
    Source:
    Polymer-Plastics Technology and Engineering. 57(13): 1288-1295.

  2. Facile fabrication of 100% bio-based and degradable ternary cellulose/PHBV/PLA composites

    Modifying bio-based degradable polymers such as polylactide (PLA) and poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV) with non-degradable agents will compromise the 100% degradability of their resultant composites. This work developed a facile and solvent-free route in order to fabricate 100% bio-based and degradable ternary cellulose/PHBV/PLA composite materials. The...

    Author(s):
    Tao Qiang; Jinwu Wang; Michael Wolcott
    Year:
    2018
    Keywords:
    Cellulose, ball milling, polylactide, extrusion blending, injection molding, statistical analysis
    Source:
    Materials. 11(2). 14 p.

  3. Propionylation-modified chitin with improved solubility in green ethanol/water binary solvents for sustainable film and coating applications

    The use of less-toxic solvents is highly desirable for biopolymer processing and applications to meet sustainability while alleviating environmental burdens. In this study, chitin was propionylated to improve its solubility. The highly propionylated chitin exhibited considerably improved solubility (up to 96%) in a binary ethanol/water solution as compared to almost...

    Author(s):
    Tuhua Zhong; Michael P. Wolcott; Hang Liu; Jinwu Wang
    Year:
    2020
    Keywords:
    Acylation, chitin propionate, ethanol/water binary solvent, transparent films, coatings
    Source:
    Journal of Cleaner Production. 250: 119458. 10 p.

  4. Fabrication and characterization of cellulose nanofibrils/epoxy nanocomposite foam

    Plant-derived cellulose nanofibrils (CNFs) have shown reinforcing effects in polymer nanocomposites. However, freeze-dried CNFs are foam-like material, namely aerogel, that are challenging to disperse in a polymer matrix. In this work, a liquid infusion process was developed for a CNF/epoxy nanocomposite cross-linked foam structure with alterable properties without...

    Author(s):
    Jinghao Li; Liqing Wei; Weiqi Leng; John F. Hunt; Zhiyong Cai
    Year:
    2018
    Keywords:
    Cellulose, epoxy resin, foam
    Source:
    Journal of Materials Science. 53(7): 4949-4960.
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https://www.fs.usda.gov/treesearch/search?keywords=%22mechanical%20properties%22&f%5B0%5D=author_facet%3A%22Wang%2C%20Jinwu%22&f%5B1%5D=year%3A%222018%22&f%5B2%5D=year%3A%222020%22&f%5B3%5D=author_facet%3A%22Cai%2C%20Zhiyong%22