搜索结果: 61-75 共查到“知识库 林业工程”相关记录2805条 . 查询时间(2.234 秒)
Biobased Dynamic Polymer Networks with Rapid Stress Relaxation
dynamic polymer networks epoxidized soybean oil hydroxyl-functionalized silica stress relaxation mechanical properties
2023/12/11
Dynamic polymer networks (DPNs) from epoxidized soybean oil (ESO) that incorporate dual dynamic exchange reactions (dual-DERs) and hydroxyl-functionalized silica (HO-SiO2) reinforcement are shown to e...
Sustainable alternative for bisphenol A epoxy resin high-performance and recyclable lignin-based epoxy vitrimers
Lignin Epoxy vitrimers Self-healing Shape memory polymer
2023/12/11
Epoxy vitrimers based on dynamic covalent bond chemistry have been developed in recent years as they can solve the problem of recycling and reuse for traditional thermosetting materials. Lignin as an ...
湖南省生物柴油工程技术研究中心
湖南省 生物柴油 工程技术 研究中心
2024/6/28
湖南省生物柴油工程技术研究中心是2007年经湖南省科技厅批准依托湖南省林业科学院组建的开放式工程中心(独立法人机构)。“中心”前身为湖南省林业科学院生物能源课题组,自二十世纪八十年代末以来一直致力于油料植物资源研究开发工作,是湖南省生物质能源领域技术创新、成果转化和人才培养的重要平台。“中心”以服务于国家和地方能源安全和生态环境安全为出发点,涵盖了工业用油脂植物资源收集、良种培育、油料植物栽培、能...
“Solid-Liquid” Vitrimers Based on Dynamic Boronic Ester Networks
Solid-liquid Dynamic covalent bond Boronic ester bond Strain-rate dependent High stretchability
2023/12/8
The “solid-liquid” behavior of vitrimers have not been systematically investigated. Herein, a series of “solid-liquid” vitrimers bearing varying contents of dynamic boronic ester bonds were synthesize...
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...
Rapid self-healing and self-adhesive chitosan-based hydrogels by host-guest interaction and dynamic covalent bond as flexible sensor
Conductive hydrogel Chitosan Poly(vinyl alcohol) Host-guest interactions Self-healing Self-adhesiveness Flexible strain sensor
2023/12/8
A sensor used to monitor tissue deformation requires good flexibility, stretchability, self-adhesion, cyto-compatibility, and?antibacterial property. Here, we prepared hydrogel sensor based on?O-carbo...
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...
Cavitation dynamics in a vitrimer
Vitrimer Cavitation dynamics Strain stifening Viscoelasticity
2023/12/8
Vitrimer is a polymer network with dynamic covalent bonds, which can be dynamically broken and reformed. Thanks to the dynamic covalent bonds, vitrimer behaves like an elastomer at high deformation ra...
High-efficient esterification of rosin and glycerol catalyzed by novel rare earth Lewis acidic ionic liquid: Reaction development and mechanistic study
Rosin glyceride Rare earth Lewis acidic ionic liquid Esterification DFT Catalysis
2023/12/7
Background: As one of the most important modified products of rosin, rosin glyceride was widely used in many aspects. However, the preparation of rosin glyceride is always unfriendly due to the use of...
Advanced nanocellulose-based gas barrier materials: Present status and prospects
Nanocellulose Gas barrier Layer-by-layer materials Composites Biomaterials
2023/12/7
Nanocellulose based gas barrier materials have become an increasingly important subject, since it is a widespread environmentally friendly natural polymer. Previous studies have shown that super-high ...
Nanocellulose-based composites for packaging applications
Cellulose Bioresources Nanocellulose Cellulose nanocrystals Cellulose nanofibrils Biodegradable packaging
2023/12/7
Cellulose is one of the most interesting bioresources owing to its abundance, renewability, and?biodegradability.?Nanocellulose?(NC), which can be isolated from natural cellulosic sources or synthesiz...
Bioinspired organohydrogels with heterostructures: Fabrications, performances, and applications
Organohydrogels Biological soft tissues Heterostructures Complementary principle Environmental adaptability
2023/12/7
Since emerging in 1960, the artificial hydrogels have garnered enormous attentions in scientific community due to their high level of similarities to biological soft tissues in both structures and pro...
Dynamic nanocellulose hydrogels: Recent advancements and future outlook
Dynamic hydrogels Dynamic linkages Nanocellulose Self-healing Self-recovery Mechanical strength
2023/12/7
Nanocellulose?is of great interest in material science nowadays mainly because of its hydrophilic, renewable, biodegradable, and biocompatible nature, as well as its excellent mechanical strength and ...
Multifunctional tannin extract-based epoxy derived from waste bark as a highly toughening and strengthening agent for epoxy resin
Waste bark Tannin extract Liquefaction Bio-based epoxy Toughness
2023/12/6
To reduce crude oil consumption and the corresponding environmental impact, the use of sustainable resources has recently attracted much attention. Herein, a low-viscosity and efficient tannin-based e...
Dual-functional antimicrobial coating based on the combination of zwitterionic and quaternary ammonium cation from rosin acid
Antimicrobial Antibiofilm Coating Dopamine Zwitterionic Maleopimaric acid quaternary ammonium cation
2023/12/6
Treatment of implant-associated infection is becoming more challenging, especially when?bacterial biofilms?form on the surface of implants. To address the challenge of biofilm infection, developing du...