A bio-based adhesive reinforced with functionalized nanomaterials to build multiple strong and weak cross-linked networks with high strength and excellent mold resistance

Zeng, Guodong; Zhou, Ying; Wang, Tianzhu; Kuang, Li; Dong, Youming; Li, Jiong jiong; Li, Jianzhang; Fang, Zhen

doi:10.1016/j.cej.2022.139761

Cited by 37 publications

(13 citation statements)

References 96 publications

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“…The wood breakage rate of the SP/BGP-PA-T adhesive was 85%, which showed the increased cohesive strength of the adhesive. 57 The wood breakage rates of SP/BGP-pH11-T and SP/BGP-SDS-T were also increased compared to SP/ BGP-T. This is crucial for the practical application of proteinbased adhesives.…”

Section: Performance Of the Spi Bgp And Sp/bgp-based Adhesivesmentioning

confidence: 99%

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Barley – a yet un-tapped feedstock for improved vegetable protein-based wood adhesives

et al. 2023

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Section: Performance Of the Spi Bgp And Sp/bgp-based Adhesivesmentioning

confidence: 99%

“…The comparison between SP/BGP-PA-T and the representative 4,9,53,57,[76][77][78][79][80][81][82][83] SM/SP-based adhesives reported recently in terms of wet shear strength, water resistance, chemical fossil product addition, viscosity and cost is shown in Fig. 10 and Table S5.…”

Section: Performance Of the Spi Bgp And Sp/bgp-based Adhesivesmentioning

confidence: 99%

Barley – a yet un-tapped feedstock for improved vegetable protein-based wood adhesives

et al. 2023

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“…Recycling of waste polymers has been extensively reported for sustainability. − Also, the use of biobased monomers − in the synthesis of high-performance thermoplastics, − thermosets, − vitrimers, − and other polymers , has been extensively reported and reviewed by Zeng et al and Rana et al Among several biobased monomers, vanillin is readily accessible because it holds two active functional groups (hydroxyl and aldehyde) at the para position of phenylene. Thermosets, due to their highly cross-linked structures, are not easy to recycle as they cannot be melted and reprocessed.…”

Section: Introductionmentioning

confidence: 99%

Upcycling Waste Polycarbonate to Poly(carbonate imine) Vitrimers with High Thermal Properties and Unprecedented Hydrolytic Stability

Reddy

Chen

Jeng

et al. 2023

ACS Sustainable Chem. Eng.

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The global market for polycarbonate (PC) increases steadily because of its heat resistance, toughness, and optical transparency. To achieve sustainability, the waste polycarbonate (WPC) should be recycled. This work reports a 100% atom-efficiency upcycling of WPC to a WPC-derived aldehyde (WPC-CHO). Then, poly(carbonate imine) vitrimers (PCIs) based on the WPC-CHO and two aromatic diamines were prepared. Generally, polyimines can cleave in mild acidic conditions such as 0.1 M HCl(aq) and seldom show good thermal and tensile properties. The PCIs in this work showed good thermal and tensile properties and an unprecedented resistance toward acid hydrolysis. They can survive even immersing in a 5 M H2SO4 THF/H2O solution for 6 months. This unusual resistance toward acid hydrolysis expands the application of PCIs in an acidic environment. Small pieces of PCIs can be compression-molded into a newly formed polymer film at 240 °C. This thermal reprocessability demonstrates the vitrimer characteristic of the PCIs. The PCIs can be degraded through simultaneous aminolysis of carbonate and transimination of imine by hexylamine (HA) in a catalyst-free mild condition. Based on the aminolysis and transimination, we degraded the cross-linking network in the PCI-based carbon fiber-reinforced polymer (CFRP) and recovered undamaged carbon fiber. This environmentally friendly work will attract the attention of researchers who are interested in sustainability and circularity.

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“…As a result, such adhesives cannot maintain bonding in humid or wet environments, which limits their widespread use . To overcome this challenge, research is focused on exploring innovative strategies to improve the water resistance of bio-based adhesives. − …”

Section: Introductionmentioning

confidence: 99%

A Biomimetic Water-Resistant Adhesive Based on ε-Polylysine/Tannic Acid Complexation

Kang,

Zajforoushan Moghaddam,

Larsen

et al. 2023

ACS Appl. Polym. Mater.

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This study investigates the potential of combining ε-polylysine and tannic acid to develop bio-based adhesives with enhanced water resistance. The two biomolecules exhibited complexation/precipitation in aqueous solutions in the pH range of 5–9. Water-based adhesives were prepared using complexes formed at pH 5, 7, and 9, followed by evaluation of their adhesion properties in both dry and wet lap shear tests. The complexes prepared at higher pH values showed a larger adhesion strength and improved water resistance. To further enhance the adhesive properties, an epoxide-based reagent was utilized to double-cross-link the complexes, resulting in a lap shear strength of ∼2 MPa after being submerged in water for 7 days.

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A bio-based adhesive reinforced with functionalized nanomaterials to build multiple strong and weak cross-linked networks with high strength and excellent mold resistance

Cited by 37 publications

References 96 publications

Barley – a yet un-tapped feedstock for improved vegetable protein-based wood adhesives

Barley – a yet un-tapped feedstock for improved vegetable protein-based wood adhesives

Upcycling Waste Polycarbonate to Poly(carbonate imine) Vitrimers with High Thermal Properties and Unprecedented Hydrolytic Stability

A Biomimetic Water-Resistant Adhesive Based on ε-Polylysine/Tannic Acid Complexation

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