Title

Breaking the Robustness-Recyclability Trade off in Polymer Networks via Dual-role Crosslinker for Rapid Monomer Conversion

Alternative Title

이중 역할 가교제를 통한 폴리머 네트워크의 견고성-재활용성 상충 해소를 통한 빠른 단량체 전환

DGIST Authors

Hanhee Cho ; Chiyoung Park ; Dong Hae Ho

Advisor

박치영

Co-Advisor(s)

Dong Hae Ho

Issued Date

2026

Awarded Date

2026-02-01

Type

Thesis

Description

Dual-role-faced crosslinker, Depolymerization, Chemical recycling to monomers, Direct monomer recovery , Composite recovery

Table Of Contents

Ⅰ. Introduction 1
1.1 Significance of Closed loop recycling 1
1.2 Limitations of depolymerization 1
1.2.1 Typical recycling process 1
1.2.2 Depolymerization of linear polymers 2
1.2.3 Depolymerization of cross-linked polymers 3
1.2.4 Monomer recovery from polymer composites 4
1.3 Robustness-recyclability trade off 4
Ⅱ. Experimental 6
2.1 Materials 6
2.2 Synthesis of PEU-GE-M, PEU-G-M, and PEU-CO-M 6
2.3 Fabrication of Al-PEU-GE-0.2 laminate film 6
2.4 Fabrication of PEU-GE-0.2 based CFRP 7
2.5 Fabrication of dyed PEU-GE-0.2 7
2.6 Fabrication of LM/PEU-GE-0.2 7
2.7 Characterizations 7
Ⅲ. Results and Discussion 9
3.1 Design of crosslinked polyurethanes and characterization 9
3.2 Depolymerization Kinetics of Crosslinked Polyurethane 12
3.3 Monomer and composite recovery via selective depolymerization 15
3.4 Closed-loop chemical recycling for soft electronics 17
Ⅳ. Conclusion 20
Ⅴ. References 21
Ⅵ. Korean Summary 26

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59693
http://dgist.dcollection.net/common/orgView/200000945348

DOI

10.22677/THESIS.200000945348

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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