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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
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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...
国际竹藤中心专利：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
国际竹藤中心 废弃竹纤维 餐盒 复合基板
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2023/12/6
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
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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
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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
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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
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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
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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
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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
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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...
Facile Construction of Bio-Based Supramolecular Hydrogels from Dehydroabietic Acid with a Tricyclic Hydrophenanthrene Skeleton and Stabilized Gel Emulsions
bio-based supramolecular hydrogels dehydroabietic acid oil-in-water gel emulsions
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2023/12/5
Supramolecular hydrogels have attracted great attention due to their special properties. In this research, bio-based supramolecular hydrogels were conveniently constructed by heating and ultrasounding...
Chemical aspects of polymer recycling
Polymer recycling Chemical recycling Commodity polymers
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2023/12/5
Since recycling of polymers is a preferred means of reducing unwanted wastes and land-filling activity, and recovering monomers or other materials of economic value, tertiary methods of recycling (che...
Preparation and Degradation of Waste Polycarbonate-Derived Epoxy Thermosets and Composites
waste polycarbonate diphenyl carbonate one-hundred percent atom efficiency epoxy recycling of CFRP aminolysis
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2023/12/5
We report a robust, 100% atom-efficiency strategy for preparing waste polycarbonate (WPC)-derived epoxy resin. To demonstrate the preparation process, we perform a pyridine-catalyzed model reaction be...
Development and evaluation of a hydrogenated rosin (β-acryloxyl ethyl) ester–bonded silica stationary phase for high-performance liquid chromatography separation of paclitaxel from yew bark
Rosin-based stationary phase Paclitaxel Retention mechanism Separation Yew-bark extract
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2023/12/5
Paclitaxel (PTX) is a complex diterpenoid anticancer drug whose separation from yew biomass poses a significant challenge. In this study, a new stationary phase comprising hydrogenated rosin (β-acrylo...