Journal ArticleDOI
Preparation of carboxylic styrene butadiene rubber/chitosan composites with dense supramolecular network via solution mixing process
TLDR
In this paper, a supramolecular network based on carboxylic styrene butadiene rubber (XSBR) and chitosan (CTS) is prepared through a solution mixing process.Abstract:
A novel supramolecular network based on carboxylic styrene butadiene rubber (XSBR) and chitosan (CTS) is prepared through solution mixing process. XSBR molecular chains have strong interactions with extended CTS via the formation of ammonium carboxylates bridging crosslinks and hydrogen bonds, which efficiently prevent extended CTS from reagglomerating. Compared with CTS nanoparticles, unfolded CTS expose more amino and hydroxyl groups to XSBR, which results in a denser and stronger network structure. However, because of the rigidity of CTS molecule, unfolded CTS construct a rigid framing in the supramolecular network, which reduces the extensibility of the XSBR/CTS composites. Interestingly, the solution mixing retains abundant air bubbles in the XSBR/CTS solution, which turns out a porous composite.read more
Citations
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A robust and stretchable cross-linked rubber network with recyclable and self-healable capabilities based on dynamic covalent bonds
TL;DR: In this article, TEMPO oxidized cellulose nanocrystals (TOCNs) with a large number of carboxyl groups were used as both the reinforcement phase and covalent cross-linkers for epoxidized natural rubber (ENR).
Journal ArticleDOI
A High-Performance, Sensitive, Wearable Multifunctional Sensor Based on Rubber/CNT for Human Motion and Skin Temperature Detection
TL;DR: In this article, a hydrogen bond cross-linked network based on carboxylic styrene butadiene rubber (XSBR) and hydrophilic sericin (SS) non-covalently modified carbon nanotubes (CNTs) is rationally designed and then fabricated into multi-functional sensors, which are able to detect both weak and large deformations, which owns a low detection limit of 1% strain, high stretchability up to 217, superior strength of 12.58 MPa, high sensitivity with a gauge factor up to 25.98,
Journal ArticleDOI
Design of Novel Self-Healing Thermoplastic Vulcanizates Utilizing Thermal/Magnetic/Light-Triggered Shape Memory Effects.
TL;DR: Novel self-healing thermoplastic vulcanizates (TPVs) are designed, achieving excellent thermal/magnetic/light-triggered shape memory assisted self-Healing behavior and paves the way to design next-generation self- healing materials.
Journal ArticleDOI
Dual Cross-Linked Self-Healing and Recyclable Epoxidized Natural Rubber Based on Multiple Reversible Effects
TL;DR: In this paper, self-healing research based on commercial rubber is of great significance in sustainable development by extending the lifetime of materials, however, it is still a great challenge so far.
Journal ArticleDOI
Bio-based epoxidized natural rubber/chitin nanocrystals composites: Self-healing and enhanced mechanical properties
TL;DR: In this article, a kind of epoxidized natural rubber (ENR)/CNCs composites without using conventional crosslinking agents was successfully fabricated in which a supramolecular network based on hydrogen bonds was formed.
References
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Journal ArticleDOI
Application of Spectroscopic Methods for Structural Analysis of Chitin and Chitosan
Jolanta Kumirska,Małgorzata Czerwicka,Zbigniew Kaczyński,Anna Bychowska,Krzysztof Brzozowski,Jorg Thöming,Piotr Stepnowski +6 more
TL;DR: A complete chemical and physicochemical characterization of chitin, chitosan and their derivatives is not possible without using spectroscopic techniques, so this review focuses on the application of Spectroscopic methods for the structural analysis of these compounds.
Journal ArticleDOI
Statistical Mechanics of Swelling of Network Structures
TL;DR: In this article, the entropy of swelling a network of any degree of connectivity, or functionality f, is derived in a manner which avoids these inaccuracies and corrects relationships for the partial molal-free energy of dilution, swelling equilibrium and the influence of deformation on swelling equilibrium.
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Perspective on Polylactic Acid (PLA) based Sustainable Materials for Durable Applications: Focus on Toughness and Heat Resistance
TL;DR: The concept of tailoring the properties of polylactic acid (PLA) to achieve stiffness-toughness balance along with acceptable heat resistance comes into play in this paper, where the authors summarize the recent research progress.
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Self-curing membranes of chitosan/PAA IPNs obtained by radical polymerization: preparation, characterization and interpolymer complexation.
Carlos Peniche,Waldo Argüelles-Monal,Natalia Davidenko,Roberto Sastre,Alberto Gallardo,Julio San Román +5 more
TL;DR: The gravimetric measurements and the elemental analysis after some exhaustive PAA extraction support the existence of some PAA grafting on the reactive amine group of the chitosan.
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Mechanical properties of natural rubber nanocomposites reinforced with high aspect ratio cellulose nanocrystals isolated from soy hulls.
Wilson Pires Flauzino Neto,Marcos Mariano,Marcos Mariano,Ingrid Souza Vieira da Silva,Hudson Alves Silvério,Jean-Luc Putaux,Jean-Luc Putaux,Harumi Otaguro,Daniel Pasquini,Alain Dufresne,Alain Dufresne +10 more
TL;DR: The sedimentation of CNCs during the evaporation step was found to play a crucial role on the mechanical properties and may be assigned not only to the high aspect ratio but also to the stiffness of the percolating nanoparticle network formed within the polymer matrix.