International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: unknown, P. 136127 - 136127
Published: Sept. 1, 2024
Language: Английский
Royal Society of Chemistry eBooks, Journal Year: 2025, Volume and Issue: unknown, P. 76 - 106
Published: April 28, 2025
Rubber waste management has received extensive concern in the circular economy. To realize rubber recycling, dynamic linkages that can undergo reversible breaking and reformation response to external stimuli are introduced replace traditional irreversible crosslinks vulcanized rubbers. Filler is an essential component processing, while incorporation of high loading fillers inevitably deteriorates network recyclability by hindering chain movement preventing collision motifs. overcome contradiction between reinforcement arising from filler incorporation, bonds creatively installed at interface dynamically crosslinked rubbers (DCRs) using functionalized as both crosslinkers. The mechanical properties DCRs generally improved constructing across due dispersion enhanced interfacial adhesion. Simultaneously, enable chains adsorbed on participate rearrangement under stimuli, which may alleviate negative effect imposed incorporation. In this chapter, we summarize recent progress construction bond-mediated interfaces properties.
Language: Английский
Citations
0
Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown
Published: May 4, 2025
Abstract Conventional chewing gum (CG) consisting of sweeteners and unbiodegradable base (CGB) has caused severe pollution to the environment. To address this issue, work designs synthesizes a partially crosslinked biobased biodegradable polyester elastomer replace high molecular weight rubber in traditional CG for elasticity, along with resin glass transition temperature ( T g ) ≈38 °C provide plasticity CG. Subsequently, is prepared. Poly(1,3‐propanediol/glycerol/sebacate/succinate) (PPGSeSu) elastomers adjustable gel content good elasticity are synthesized by adjusting glycerol, poly(2,3‐butanediol/isosorbide/succinate) (PBIS) resins 8–65 prepared tuning molar ratio isosorbide 2,3‐butanediol. As result, fully biobased, similar performance that commercially available ones achieved using PPGSeSu‐25%P (with 8.58% content) PB 50 I S = 38 °C). The biodegradation rate new 75.52% after 97 d, its properties comparable those according texture profile analysis results.
Language: Английский
Citations
0
Advanced Science, Journal Year: 2024, Volume and Issue: 11(39)
Published: Aug. 14, 2024
Abstract Inspired by the Mimosa plant, this study herein develops a unique dynamic shape memory polymer (SMP) network capable of transitioning from hard to pliable with heat, featuring reversible actuation, self‐healing, recyclability, and degradability. This material is adept at simulating functionalities artificial muscles for variety tasks, remarkable specific energy density 1.8 J g −1 —≈46 times higher than that human skeletal muscle. As an intelligent manipulator, it demonstrates proficiency in identifying handling items high temperatures. Its suitable rate recovery around body temperature indicates its promising utility as implant addressing acute obstructions. The covalent bonding within structure not only provides excellent resistance solvents but also bestows abilities reprocessing, degradation. These attributes significantly boost practicality environmental sustainability. Anticipated promote advancements sectors biomedical devices, soft robotics, smart actuators, SMP represents forward leap muscles, marking stride toward future adaptive sustainable technology.
Language: Английский
Citations
3
Macromolecular Chemistry and Physics, Journal Year: 2024, Volume and Issue: 225(15)
Published: March 30, 2024
Abstract Environmentally friendly high‐performance composites made from either reprocessable polymer matrix or renewable fillers have become increasingly significant in order to reach a sustainable future. Herein, polydimethylsiloxane/modified cellulose nanocrystals (PDMS/mCNC) showing outstanding mechanical and properties via silyl ether linkages are prepared. With only 1 wt% mCNC, the PDMS/mCNC composite exhibits tensile strength of 2.96 MPa, which is twice that pure PDMS elastomer, while toughness can achieve 7.32 MJ m − 3 . Remarkably, reprocessing efficiency be as high 100% even for triple process. Additionally, favorable effect mCNC on constructing hybrid filler network within vitrimers explored first time. Selection boron nitride nanosheet (BNNS) functional filler, 40 BNNS uniformly dispersed by small amount homogeneous thermally conductive built, with thermal conductivity PDMS/mCNC@BNNS increasing remarkably 2.901 W −1 K In word, this work paves way develop sustainable, mechanically strong, bio‐filler.
Language: Английский
Citations
1
ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 28, 2024
Language: Английский
Citations
1
Industrial & Engineering Chemistry Research, Journal Year: 2024, Volume and Issue: 63(46), P. 20179 - 20190
Published: Nov. 11, 2024
The reprocessing stability and recyclability of bio-based thermosetting materials have positive environmental economic values. In this work, two types lignocellulosic polyimide vitrimers were developed from lignin-derived aldehyde monomers a cellulose-derived diamine monomer based on dynamic covalent adaptive network. Both demonstrated high fracture strengths up to 67.5 40.2 MPa, the had no obvious dissolution weight change after soaking in ten common solvents for 30 days. Similar other literature reports, still maintained more than 92% strength 5 fracture–hot-press cycles. Besides, due presence large amounts nitrogen phosphorus elements, both exhibited good flame-retardant properties: they could self-extinguish 10 s while removing flame ignition generated molten droplets. More importantly, these highly cross-linked thermoset efficiently transformed back into related monomers, guaranteeing excellent monomer–polymer–monomer closed-loop recycling. stable cycle processability efficient recovery provided possibility utilization biomass materials. Furthermore, successful preparation basalt fiber composites with mechanical properties easy application potential vitrimers.
Language: Английский
Citations
1
International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: unknown, P. 136127 - 136127
Published: Sept. 1, 2024
Language: Английский
Citations
0