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Bio-based vitrimer-like polyurethane based on dynamic imine bond with high-strength, reprocessability, rapid-degradability and antibacterial ability
Bio-based polyurethane Vitrimer-like Imine bond Rapidly-degradable Antibacterial property
2023/12/8
Synthesis of vitrimer with dynamic?covalent bond?is a surprising solution to overcome the inherent limitations of traditional?thermosets. A bio-based vitrimer-like?polyurethane?formed by?castor oil,?v...
High-strength and self-healable poly (acrylic acid) /chitosan hydrogel with organic-inorganic hydrogen bonding networks
Self-healing hydrogel Hydrogen bonding Organic-inorganic
2023/12/8
Bentonite?is a natural clay mineral with high cationic exchange properties and plays an important role in organic-inorganic composite hydrogels. We report an organic-inorganic cross-linked self-healin...
Developing Reprocessable shape memory thermosetting resins with high thermal resistance and strength through building a crosslinked network based on bismaleimide and epoxy resins
dynamic covalent bond heat resistance mechanical property reprocessability shape memory thermosetting resin
2023/11/16
It is difficult to endow reprocessable shape memory thermosetting resins with outstanding heat resistance and high mechanical strength. Herein, a new kind of reprocessable shape memory thermosetting r...
An injectable self-healing hydrogel-cellulose nanocrystals conjugate with excellent mechanical strength and good biocompatibility
Cellulose nanocrystals (CNCs) Graft Nanocomposite hydrogel Reversible covalent bond Self-healing
2024/2/5
In this work, a novel strategy for the construction of injectable self-healing nanocomposite (NC) hydrogels dominated by reversible boronic ester bonds was demonstrated. Specifically, NC hydrogels wer...
Development of Timber Portal Frames Composed of Compressed LVL Plates and Pins III.Strength properties of timber portal frames composed of compressed LVL beam-to-column joints and steel column-to-base joints
compressed LVL joint timber portal frame racking test beam-to-column joint column-to-base joint
2009/11/23
We made timber portal frames composed of compressed LVL beam-to-column joints and steel column-to-base joints. The former used compressed LVL plates and compressed LVL pins and the latter used steel p...
The Effects of Wood Bleaching Chemicals on The Surface Gloss and the Adhesion Strength of Varnishes
Wood Bleaching Chemicals Surface Gloss Adhesion Strength of Varnishes
2009/1/16
In this research, sodium hydroxide + hydrogen peroxide, sodium hydroxide + calcium hydroxide + hydrogen peroxide, hypochlorite and hydrochloric acid were applied to pine (Pinus sylvestris L), oriental...
The Effects of Wood Bleaching Chemicals on the Bending Strength of Wood
Wood Bleaching Chemicals Bending Strength of Wood
2009/1/15
The aim of this research was to determine the effects of bleaching chemicals on the bending strength of wood. For this purpose, sodium hydroxide + hydrogen peroxide, sodium hydroxide + calcium hydrox...