Polyimide Cellulose Nanocrystal Composite Aerogels

Baochau N. Nguyen, Elvis Cudjoe, Anna Douglas, Daniel Scheiman, Linda McCorkle, Mary Ann B Meador, Stuart J. Rowan

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Cellulose nanocrystals derived from tunicates (t-CNC) were used as a reinforcing nanofiller for polyimide aerogels. Two sets of polyimide aerogels, containing either 2,2′-dimethylbenzidine (DMBZ) or 4,4′-oxydianiline (ODA) and 3,3′,4,4′-biphenyltetracarboxylic acid dianhydride (BPDA) cross-linked with 1,3,5-tris(4-aminophenoxy)benzene (TAB), were studied. Total solids composition of the aerogels were kept constant at 7.5 wt %, with 0-13.33 wt % of the total solids being the carboxylic acid-functionalized t-CNC (t-CNC-COOH) filler. The incorporation of the t-CNC-COOH, with carboxylic acid content of either 560 or 920 mmol/kg, in the polyimide aerogel networks improved both physical and mechanical properties of the final materials. Isothermal aging of t-CNC-COOH aerogel composites was also conducted at 150 and 200 °C for 24 h. Higher content t-CNC-COOH/polyimide aerogels showed less change in their density and reduced shrinkage during aging, which further emphasized the effect of the t-CNC-COOH reinforcement in retaining the structural integrity of the aerogel.

Original languageEnglish
Pages (from-to)1692-1703
Number of pages12
JournalMacromolecules
Volume49
Issue number5
DOIs
Publication statusPublished - 2016 Mar 9
Externally publishedYes

Fingerprint

Aerogels
Polyimides
Cellulose
Nanocrystals
Composite materials
Carboxylic Acids
Carboxylic acids
Aging of materials
Structural integrity
Benzene
Fillers
Reinforcement
Physical properties
Mechanical properties
Acids
Chemical analysis

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry

Cite this

Nguyen, B. N., Cudjoe, E., Douglas, A., Scheiman, D., McCorkle, L., Meador, M. A. B., & Rowan, S. J. (2016). Polyimide Cellulose Nanocrystal Composite Aerogels. Macromolecules, 49(5), 1692-1703. https://doi.org/10.1021/acs.macromol.5b01573

Polyimide Cellulose Nanocrystal Composite Aerogels. / Nguyen, Baochau N.; Cudjoe, Elvis; Douglas, Anna; Scheiman, Daniel; McCorkle, Linda; Meador, Mary Ann B; Rowan, Stuart J.

In: Macromolecules, Vol. 49, No. 5, 09.03.2016, p. 1692-1703.

Research output: Contribution to journalArticle

Nguyen, BN, Cudjoe, E, Douglas, A, Scheiman, D, McCorkle, L, Meador, MAB & Rowan, SJ 2016, 'Polyimide Cellulose Nanocrystal Composite Aerogels', Macromolecules, vol. 49, no. 5, pp. 1692-1703. https://doi.org/10.1021/acs.macromol.5b01573
Nguyen BN, Cudjoe E, Douglas A, Scheiman D, McCorkle L, Meador MAB et al. Polyimide Cellulose Nanocrystal Composite Aerogels. Macromolecules. 2016 Mar 9;49(5):1692-1703. https://doi.org/10.1021/acs.macromol.5b01573
Nguyen, Baochau N. ; Cudjoe, Elvis ; Douglas, Anna ; Scheiman, Daniel ; McCorkle, Linda ; Meador, Mary Ann B ; Rowan, Stuart J. / Polyimide Cellulose Nanocrystal Composite Aerogels. In: Macromolecules. 2016 ; Vol. 49, No. 5. pp. 1692-1703.
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