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High-performance gum rosin-modified hyperbranched vinyl ester resin derived from multifunctional pentaerythritol
Rosin Vinyl ester Thermal stability Chemical resistance Bio-based
2023/12/21
In this article, gum rosin-based hyperbranched vinyl ester resin (VPEMPAE) was synthesized from maleic anhydride-modified gum rosin adduct (MPA). This adduct (MPA) was reacted with pentaerythritol to ...
Abietic acid encapsulated Sn-57Bi alloy nanoparticles as oxidation resistant solder material
Sn-57Bi alloy nanoparticles abietic acid encapsulation metal oxide reduction
2023/12/21
Low-melting point solder Sn-57Bi alloy nanoparticles were synthesized and encapsulated with abietic acid (aa) thin layer to form a core-shell structure. Formation of nanoparticle enhances its mechanic...
Production, Properties, and Applications of α-Terpineol
Aroma Bioactivity Bioflavor Fragrance Terpene
2023/12/21
α-Terpineol (CAS No. 98-55-5) is a tertiary monoterpenoid alcohol widely and commonly used in the flavors and fragrances industry for its sensory properties. It is present in different natural sources...
Stability of lignocellulosic papers strengthened and deacidified with aminoalkylalkoxysilanes
trengthening Lignin Newsprint paper Alum-rosin Mechanical properties Acidity
2023/12/21
The durability of paper documents treated with aminoalkylalkoxysilane copolymer (co-AAAS) flexible networks, as deacidifying and strengthenening agents, was studied. To this end, a 1922 lignocellulosi...
Low-formaldehyde?emission composite particleboard manufactured from waste chestnut bur
Chestnut bur Composite particleboard Formaldehyde Polyphenol
2023/12/21
Chestnut bur is an agro-waste material generated in the chestnut production. It is a tannin-rich lignocellulosic material which might be a promising raw material for low-formaldehyde?composite particl...
仲恺农业工程学院专利：一种富贵竹剥叶切段筛选多功能一体机
仲恺农业工程学院 富贵竹 剥叶切段筛选 多功能一体机
2023/12/19
本发明公开了一种富贵竹剥叶切段筛选多功能一体机，包括传送部，所述传送部的送出端处设有剥叶部，剥叶部的送出端设有剪断部，剪断部的下方设有筛选部，富贵竹从所述传送部的送入端进入传送部，传送部推动富贵竹移动，使其依次经过剥叶部、剪断部进行剥叶和剪断，筛选部接收富贵竹段并对其进行筛分。具有传送部、剥叶部、剪断部、筛选部，能够对富贵竹依次进行剥叶、剪断、筛选，实现了对富贵竹的全自动加工，大大提高了加工效率。...
本发明提供了一种木质素基天然防晒复合物的制备方法，具体包括以下步骤：首先采用水玻璃作为硅源以钛酸四丁酯作为钛源采用原位修饰的方法制备获得氨基修饰的复合二氧化硅/二氧化钛溶胶；其次，将氨基修饰的复合二氧化硅/二氧化钛溶胶与木质素反应制备获得二氧化硅/二氧化钛/木质素防晒复合物；二氧化硅、二氧化钛、木质素三者复配，成分相互叠加，共同发挥效能，使防晒范围更广，更有效地阻隔全波段的紫外线，达到良好的防晒效...
仲恺农业工程学院专利：一种活塞泵式树木涂白机
仲恺农业工程学院 活塞泵式 树木涂白机
2023/12/19
本发明涉及树木涂白技术领域，公开了一种活塞泵式树木涂白机，包括：储液箱，用于储存涂白液体；活塞泵，包括泵筒和活塞杆，泵筒安装于储液箱内，活塞杆的底部安装在泵筒内，顶部向上延伸至储液箱的外部，顶部传动连接有驱动机构；泵筒的出液口连接有输液管，输液管穿过储液箱的箱壁延伸至储液箱的外部；空气室，设置于储液箱外，空气室与输液管连接；喷涂组件，与输液管连接，用于喷出空气室内的涂白液体；驱动机构驱动活塞杆上下...
Upgrading catalytic activity of NiO/CaO/MgO from natural limestone as catalysts for transesterification of coconut oil to biodiesel
Biodiesel Limestone Methyl ester PEG Vegetable oil
2023/12/19
Limestone was converted to high surface area CaO/MgO catalysts via calcination-hydration-dehydration (CHD) method for transesterification of coconut oil to biodiesel. Thermal?decomposition?at 900 degr...
Renewable UV-curable?polyester?methacrylate/cellulose nanocrystals composite?resin?for wood waterproof coating
UV-curable cellulose nanocrystals low viscosity composite star-shaped bio-based
2023/12/19
Low-viscosity UV-curable?resins?are widely used in industry as they allow for UV curing materials with reduced amounts of reactive diluents to adjust the viscosity. But their?mechanical properties?and...
Wood-inspired strategy to toughen transparent cellulose nanofibril films
Cellulose nanofibril film Wood-inspired strategy Lignosulfonic acid Toughness Transparency
2023/12/19
The simultaneous attainment of high strength and high toughness of transparent cellulose nanofibril (CNF) film can expedite its uses in advanced applications. In this work, a wood-inspired strategy is...
Hexachlorocyclotriphosphazene Functionalized Graphene Oxide as a Highly Efficient?Flame Retardant
flame-retardant thermal stability epoxy resin combustion
2023/12/19
A?flame-retardant?composite was synthesized through a simple graphene oxide functionalization route with hexachlorocyclotriphosphazene and p-phenylenediamine. Flame experiments conducted on the synthe...
Synthesis of a Novel?Flame Retardant?Containing Phosphorus, Nitrogen, and Silicon and Its Application in?Epoxy?Resin
Flame Retardant Epoxy Resin thermal stability mechanical properties
2023/12/19
A novel?flame retardant?(TDA) containing phosphorus, nitrogen, and silicon was synthesized successfully via a controllable ring-opening addition reaction between 1,3,5-triglycidyl isocyanurate, 9,10-d...
Fast pyrolysis of?pitch pine biomass?in a bubbling fluidized-bed reactor for bio-oil production
Pinus rigida pitch pine Thermogravimetric analysis Fast pyrolysis Bubbling fluidized-bed reactor Bio-oil
2023/12/18
The kinetic parameters for the pyrolysis of biomass of the pitch pine (Rigida pine?P. Mill) were examined by thermogravimetric analysis in the temperature range 25?°C to 700?°C, in which the main deco...
Lignocellulosic biomass based biorefinery: A successful platform towards circular bioeconomy
Lignocellulosic biorefinery Circular bioeconomy Lignin Cellulose Hemicellulose Value added products
2023/12/18
Biorefining of second-generation feedstock gains more attention to improve the living standards and promote circular bioeconomy. The biorefinery concept made an effort to make the environmentally sust...