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Renewable Monomers for 4D Printing.

Stellato, Jonathan Andrew.

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Renewable Monomers for 4D Printing.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Renewable Monomers for 4D Printing./
Author:	Stellato, Jonathan Andrew.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	81 p.
Notes:	Source: Masters Abstracts International, Volume: 82-01.
Contained By:	Masters Abstracts International82-01.
Subject:	Chemical engineering. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27738163
ISBN:	9798662395190

Renewable Monomers for 4D Printing.
Stellato, Jonathan Andrew.

Renewable Monomers for 4D Printing. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 81 p.

Source: Masters Abstracts International, Volume: 82-01.

Thesis (M.Sc.)--University of Toronto (Canada), 2020.

This item must not be sold to any third party vendors.

In the automotive industry, 3D printing has the potential to build low volume parts. Glass fiber reinforced phenolic composites are suitable for electric vehicle battery enclosures, but condensation resins have not been adapted to 3D printing. Step growth condensation polymerization is not compatible with popular photo-curing 3D printing techniques. This research presents a novel lignin-furfural-furfuryl alcohol blend developed specifically for two-component, acid-catalyzed, thermoset gel extrusion 3D printing, which utilizes exothermic heat of crosslinking as the 4th controllable dimension. This material was studied as a bio-based replacement for phenolic resin in the application of battery enclosures. A thermoset with high zero-shear viscosity and shear thinning ability resists sag upon deposition while remaining pumpable and extrudable. Stroke cure and isoconversional kinetics were applied to set the hardening time and calculate printing temperature and rate. Tall structures (>50 layers) can be printed with high viscosity resins (>1000 Pa*s) at low applied temperature (~50°C).

ISBN: 9798662395190Subjects--Topical Terms:

560457
Chemical engineering.
Subjects--Index Terms:

3D Printing

Renewable Monomers for 4D Printing.
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245 1 0 $a Renewable Monomers for 4D Printing.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2020
300 $a 81 p.
500 $a Source: Masters Abstracts International, Volume: 82-01.
500 $a Advisor: Sain, Mohini;Krigstin, Sally.
502 $a Thesis (M.Sc.)--University of Toronto (Canada), 2020.
506 $a This item must not be sold to any third party vendors.
520 $a In the automotive industry, 3D printing has the potential to build low volume parts. Glass fiber reinforced phenolic composites are suitable for electric vehicle battery enclosures, but condensation resins have not been adapted to 3D printing. Step growth condensation polymerization is not compatible with popular photo-curing 3D printing techniques. This research presents a novel lignin-furfural-furfuryl alcohol blend developed specifically for two-component, acid-catalyzed, thermoset gel extrusion 3D printing, which utilizes exothermic heat of crosslinking as the 4th controllable dimension. This material was studied as a bio-based replacement for phenolic resin in the application of battery enclosures. A thermoset with high zero-shear viscosity and shear thinning ability resists sag upon deposition while remaining pumpable and extrudable. Stroke cure and isoconversional kinetics were applied to set the hardening time and calculate printing temperature and rate. Tall structures (>50 layers) can be printed with high viscosity resins (>1000 Pa*s) at low applied temperature (~50°C).
590 $a School code: 0779.
650 4 $a Chemical engineering. $3 560457
650 4 $a Plastics. $3 649803
650 4 $a Materials science. $3 543314
653 $a 3D Printing
653 $a Additive manufacturing
653 $a Furfural
653 $a Furfuryl alcohol
653 $a Lignin
653 $a Renewable
690 $a 0542
690 $a 0795
690 $a 0794
710 2 $a University of Toronto (Canada). $b Forestry. $3 3174961
773 0 $t Masters Abstracts International $g 82-01.
790 $a 0779
791 $a M.Sc.
792 $a 2020
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27738163