搜索结果: 1-15 共查到“工学 Rosin”相关记录30条 . 查询时间(0.043 秒)
Enhanced performance of rosin-based epoxy composites mixed with carbon nanotubes and cork powders from oriental oak bark
Rosin Epoxy resin Carbon nanotubes Cork powders Thermal properties Mechanical properties
2024/1/12
Rosin-based epoxy composites with high-impact toughness, tensile strength, modulus, and excellent flame retardance were prepared through a simple and effective approach. In this study, rosin-based epo...
Eco-friendly gelatin films with rosin-grafted cellulose nanocrystals for antimicrobial packaging
Gelatin Rosin Cellulose nanocrystal Antimicrobial properties Food packaging
2024/1/12
We report on gelatin films incorporating rosin-grafted cellulose nanocrystals (r-CNCs), which fulfill the most relevant requirements for antimicrobial packaging applications. Transparent gelatin/r-CNC...
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 ...
Addition of Pine Rosin to Pectin bioplastic films for improved water resistance
Pine?Rosin Pectin Bioplastics Water resistance
2023/12/18
Pectin films were prepared by addition of different quantities of Rosin in order to test the effects of this natural hydrophobic polymer in increasing the water resistance of Pectin films. Scanning El...
Rosin-derived porous microspheres with robust selective cationic dye adsorption
Adsorption Dyes Methylene blue Crystal violet Rosin Polymer microspheres
2023/12/15
The utilization of rosin to fabricate functional polymers has attracted great attention due to its unique structure and property. Herein, we prepared a new type of carboxyl-containing cross-linked ros...
Rosin-based porous heterogeneous catalyst functionalized with hydroxyl groups and triazole groups for CO2?chemical conversion under atmospheric pressure condition
Rosin-based porous polymers CO2 Cyclic carbonates Atmospheric pressure
2023/12/15
Development of efficient, green and recyclable?heterogeneous catalysts?for the chemical conversion of CO2?into cyclic carbonates with excellent yields under atmospheric pressure condition is still a v...
Preparation and properties of rosin-based cationic waterborne polyurethane dispersion
Waterborne polyurethane Rosin Organosilane Antibacterial properties
2023/12/15
Green renewable resource has become a global hot spot. In this study, naturally occurring resource rosin derivative (RAG) was used to prepared a cationic waterborne polyurethane (WPU) dispersion using...
Deposition of gum rosin microspheres on polypropylene microfibres used in face masks to enhance their hydrophobic behaviour
Gum rosin Coating Polypropylene Electrospraying Face mask COVID-19
2023/12/11
The present study aims to investigate the effects of gum rosin (GR) microspheres coating over the hydrophobicity of the outer layer of a polypropylene (PP) based surgical face mask. The gum rosin coat...
Sustainable rosin acid ester as internal electron donors in Ziegler-Natta catalysts for synthesis of isotactic polypropylene with high melt flow rate
Bio-derived rosin acid esters internal electron donors Ziegler-Natta catalyst polypropylene polymerization
2023/12/11
In this contribution, novel bio-derived rosin acid ester compounds have been developed and used as internal electron donors to prepare MgCl2?supported titanium catalysts for propylene polymerization. ...
Study on novel rosin-based polyurethane reactive hot melt adhesive
adhesion properties chain extender polyurethane reactive hot melt adhesive rosin
2023/12/11
Chain extender is a major additive in polyurethane adhesive preparation, which has a great influence on its molecular weight, green strength, and thermal resistance. In this work, we first synthesized...
Synthesis of Maleic-Modified Rosin Ester from Pine Rosin
Rosin modification Esterification Glycerol Diels-Alder Maleic
2023/12/11
Rosin is the major component of Pine sap that has a composition of up to 90%. Rosin is an organic compound that consists of diterpene tricyclic compounds with carboxyl functional group. The presence o...
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...
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 (...
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...
