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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 ...
国际竹藤中心专利:一种竹来源复合制剂及其制备方法与应用
国际竹藤中心 竹来源 复合制剂 制备方法
2023/12/6
本发明涉及农林生物资源利用技术领域,具体公开了一种竹来源复合制剂及其制备方法与应用。本发明所提供的复合制剂可作为生产生物源农药、叶面肥、土壤改良剂的母液或助剂。本发明所提供的制备方法是一种具有普适性的从竹子及其采伐加工剩余物等原料中分离出抽提物并加以催化转化,获得复合制剂的方法;包括竹子水热(蒸煮软化)脱除抽提物、抽提物溶液的气化催化反应过程、反应产物分级冷凝以及回收处理工艺。本发明所提供的制备方...
国际竹藤中心专利:一种竹木复合胶合材的制造方法及应用
国际竹藤中心 竹木 复合胶合材 制造方法
2023/12/6
本发明属于一种一种竹木复合胶合材的制造方法及应用,竹木复合胶合材是由若干个主向层材和若干个次向层材上下相错、交替叠加拼装组坯、浸胶、压制固化所构成;主、次向层材上、下交替数层构成竹木复合胶合材;上、下相邻的主、次向层材交替设置且同向缝相错开设置;上、下相邻的主、次向层材交错呈20°~90°设置;竹木复合胶合材的层数为奇数,且至少为3层;木材单元或木质人造板材为次向层用材,同层的次向层的厚度相同;竹...
国际竹藤中心专利:一种竹展平板的处理方法及所得竹展平板和应用
国际竹藤中心 竹展平板 处理方法
2023/12/6
本发明属于竹材加工技术领域,具体涉及一种竹展平板的处理方法及所得竹展平板和应用。所述处理方法包括以下步骤:1)取一片以上的竹展平板;2)将每片所述竹展平板依次设置于两层压板之间,并在任一所述压板与相邻竹展平板之间、相邻两片竹展平板之间均设置透气板;所述透气板可以使得外部蒸汽接触竹展平板表面;3)对所述压板施加预设压力值,并通过锁紧组件锁紧;4)对步骤3)完成后的叠层板材进行蒸汽处理。本发明提出的处...
本发明提供了一种废弃竹纤维餐盒制造复合基板的方法、复合基板和阻尼复合地板及其应用,涉及复合材料技术领域。本发明提供的废弃竹纤维餐盒制造再生竹纤维?橡胶颗粒复合基板的方法,包括以下步骤:将废弃竹纤维餐盒进行油水分离处理,得到清洁餐盒;将所述清洁餐盒进行热水浸泡处理,在湿润状态下进行破碎处理,分选得到长竹纤维和短竹纤维;将所述长竹纤维、短竹纤维、橡胶颗粒和酚醛树脂混合,进行模压成型,得到再生竹纤维?橡...
国际竹藤中心专利:一种竹来源醋酸纤维素及其制备方法
国际竹藤中心 竹 醋酸纤维素 制备方法
2023/12/6
本发明涉及农林生物资源利用技术领域,具体涉及一种竹来源醋酸纤维素及其制备方法。该制备方法包括以下步骤:将含有竹子纤维素的原料与有机溶剂和活化剂混合进行一次反应,制得反应产物;而后将所述反应产物与乙酰化试剂和催化剂混合进行二次反应,以生成醋酸纤维素;二次反应后进行固液分离,将分离得到的液体与析出剂混合,以制得醋酸纤维素。本发明以含有竹子纤维素的物质为原料,通过简单的两步反应能够高效地将竹子纤维素转化...
本发明提供了一种连续竹纤维复合材料门窗框的制备方法,涉及复合材料技术领域。本发明提供的连续竹纤维复合材料门窗框的制备方法,包括以下步骤:在外力牵引下,将热固性竹纤维预浸料依次进行预成型和固化,得到连续竹纤维复合材料门窗框。本发明利用竹纤维成本低、拉伸强度高的特点,以热固性竹纤维预浸料为原料,通过拉挤成型工艺制备连续竹纤维复合材料门窗框,为门窗框提供了新的原材料,也为竹纤维高附加值和高端产品应用提供...
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...
Novel high-performance bamboo modification through nature rosin-based benzoxazine
Benzoxazine Biobased resin Bamboo Anti-fungal Mechanical properties
2023/12/6
In this study, we synthesized three new, entirely bio-based benzoxazines using rosin-based dehydroabietylamine, luteolin, quercetin, hydroquinone, and paraformaldehyde. The chemical structures of DL (...
The effect of crosslinking on ion transport in nanocellulose-based membranes
Nanocellulose Membrane Ion conductivity Ion selectivity Crosslinking
2023/12/6
Ion selective membranes are at the heart of energy conversion and harvesting, water treatment, and biotechnologies. The currently available membranes are mostly based on expensive and non-biodegradabl...
Multifunctional novel rosin derivatives based on dehydroabietylamine with metal ion sensing and DNA/BSA binding activities
Rosin derivative DNA binding BSA interaction Metal ion recognition
2023/12/6
Three novel rosin derivatives based on dehydroabietylamine which is an important modified product of rosin,?pyridine?and substituted phenol were synthesized and fully characterized. The DNA binding st...
近日,浙江农林大学化学与材料工程学院应用化学专业2021级本科生刘小萌,在李兵教授指导下,以第一作者在国际著名期刊 Bioresource Technology(IF=11.889,中科院一区,TOP期刊)上发表题为“Effects of cation types in persulfate on physicochemical and adsorptive properties of bioch...
Rosin modified aminated mesoporous silica adsorbed tea tree oil sustained-release system for improve synergistic antibacterial and long-term antibacterial effects
TTO antibacterial evaluation mesoporous silica rosin sustained release
2023/12/5
Tea tree oil, a natural antibacterial compound, cannot be used effectively because of its volatile nature. In this work, a biocompatible carrier was prepared and loaded with tea tree essential oil. Th...