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Carrier systems for cellulose nanofi...

Kiziltas, Alper.

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Carrier systems for cellulose nanofibers in hydrophobic polymer composites.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Carrier systems for cellulose nanofibers in hydrophobic polymer composites./
Author:	Kiziltas, Alper.
Description:	200 p.
Notes:	Source: Dissertation Abstracts International, Volume: 75-10(E), Section: B.
Contained By:	Dissertation Abstracts International75-10B(E).
Subject:	Forestry. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3581314
ISBN:	9781321124682

Carrier systems for cellulose nanofibers in hydrophobic polymer composites.
Kiziltas, Alper.

Carrier systems for cellulose nanofibers in hydrophobic polymer composites. - 200 p.

Source: Dissertation Abstracts International, Volume: 75-10(E), Section: B.

Thesis (Ph.D.)--The University of Maine, 2014.

This item is not available from ProQuest Dissertations & Theses.

Recent years have seen a sharp increase in interest around the world regarding cellulose nanocomposites. The number of publications including research papers and patents on the preparation of nanocomposites containing cellulose nanofibers has dramatically increased. One of the major challenges in cellulose nanocomposite applications is the lack of compatibility with hydrophobic polymer matrices. Cellulose nanofibers cannot simply be added to the polymer melt in thermal compounding processes because of the potential for agglomeration.

ISBN: 9781321124682Subjects--Topical Terms:

895157
Forestry.

Carrier systems for cellulose nanofibers in hydrophobic polymer composites.
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020 $a 9781321124682
035 $a (MiAaPQ)AAI3581314
035 $a AAI3581314
040 $a MiAaPQ $c MiAaPQ
100 1 $a Kiziltas, Alper. $3 3173742
245 1 0 $a Carrier systems for cellulose nanofibers in hydrophobic polymer composites.
300 $a 200 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-10(E), Section: B.
500 $a Adviser: Douglas J. Gardner.
502 $a Thesis (Ph.D.)--The University of Maine, 2014.
506 $a This item is not available from ProQuest Dissertations & Theses.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a Recent years have seen a sharp increase in interest around the world regarding cellulose nanocomposites. The number of publications including research papers and patents on the preparation of nanocomposites containing cellulose nanofibers has dramatically increased. One of the major challenges in cellulose nanocomposite applications is the lack of compatibility with hydrophobic polymer matrices. Cellulose nanofibers cannot simply be added to the polymer melt in thermal compounding processes because of the potential for agglomeration.
520 $a To prevent cellulose nanofibrils from aggregating, and also to improve their dispersion in hydrophobic polymer matrices, modification of cellulose surfaces or use of a carrier system for cellulose nanofibrils is required. In this study, cellulose nanofiber suspensions were processed with novel carrier systems, using thermoplastic starch (TPS), functionalized TPS, polyvinyl alcohol (PVA) and poly-hydroxybutyrate (PHB) in an attempt to create compatibility between the cellulose nanofibril (CNF) suspension and hydrophobic polymer matrices including polyolefin matrices (polypropylene (PP), polyethylene (PE)) and a biodegradable polymer matrix (polylactic acid (PLA). Experimental cellulose nanocomposite process mixing using conventional thermoplastic processing techniques took place on a C.W. Brabender Prep MixerRTM temperature controlled mixing head. Tensile, flexural and impact tests were used to evaluate the mechanical properties of the composites, and the composite densities were determined.
520 $a Results indicate that CNF with carrier system-filled composites showed comparable or lower mechanical properties compared to control samples without the addition of compatibilizers. Several analytical tools were used to screen the composite materials including: scanning electron microscopy (SEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and cone and plate rheometry to determine rheological behavior including shear rate and viscosity. It is believed that this research provides insight into potential applications of CNF-filled hydrophobic polymers. Possible applications for the composites studied in this research are packaging materials, construction materials and auto parts for interior applications.
590 $a School code: 0113.
650 4 $a Forestry. $3 895157
650 4 $a Chemical engineering. $3 560457
690 $a 0478
690 $a 0542
710 2 $a The University of Maine. $3 1029373
773 0 $t Dissertation Abstracts International $g 75-10B(E).
790 $a 0113
791 $a Ph.D.
792 $a 2014
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3581314