Development of linseed oil–TiO2 green nanocomposites as antimicrobial coatings

2015 ◽  
Vol 3 (21) ◽  
pp. 4458-4471 ◽  
Author(s):  
Ana M. Díez-Pascual ◽  
Angel L. Díez-Vicente
Keyword(s):  
Antimicrobial Activity ◽  
Linseed Oil ◽  
Nanocomposite Coatings ◽  
Public Places ◽  
Uv Curable ◽  
Antimicrobial Coatings ◽  
Microbial Proliferation ◽  
Epoxidized Linseed Oil

UV-curable acrylated epoxidized linseed oil–TiO2 nanocomposite coatings with antimicrobial activity were developed to prevent microbial proliferation in public places like hospitals.

UV-curable hyperbranched nanocomposite coatings

2006 ◽  
Vol 55 (3) ◽  
pp. 284-290 ◽  
Author(s):  
Linda Fogelström ◽  
Per Antoni ◽  
Eva Malmström ◽  
Anders Hult
Keyword(s):  
Nanocomposite Coatings ◽  
Uv Curable

scholarly journals Dynamic–Mechanical and Decomposition Properties of Flax/Basalt Hybrid Laminates Based on an Epoxidized Linseed Oil Polymer

Polymers ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 479
Author(s):  
Dana Luca Motoc ◽  
Jose Miguel Ferri ◽  
Santiago Ferrandiz-Bou ◽  
Daniel Garcia-Garcia ◽  
Rafael Balart
Keyword(s):  
Linseed Oil ◽  
Reinforced Composites ◽  
Glutaric Anhydride ◽  
Transfer Molding ◽  
Dynamic Mechanical ◽  
Thermal Gravimetry ◽  
Hybrid Laminates ◽  
Two Stages ◽  
Decomposition Properties ◽  
Epoxidized Linseed Oil

This contribution focuses on the development of flax and flax/basalt hybrid reinforced composites based on epoxidized linseed oil (ELO) resin, exploiting the feasibility of different ratios of glutaric anhydride (GA) to maleinized linseed oil (MLO) in the hardener system (50:0, 40:10 and 30:20 wt.%) to provide crosslinked thermosets with balanced properties. The hybrid laminates have been manufactured by resin transfer molding (RTM) and subjected to dynamic–mechanical (DMA) and thermal gravimetry (TGA) analysis. The presence of glutaric anhydride (GA) resulted in hard and relatively brittle flax and flax/basalt laminates, whose loss moduli decreased as the number of basalt plies diminished. Furthermore, the increase in MLO content in the GA:MLO hardener system shifted the glass transition temperatures (Tg) from 70 °C to 59 and 56 °C, which is representative of a decrease in brittleness of the crosslinked resin. All samples exhibited two stages of their decomposition process irrespective of the MLO content. The latter influenced the residual mass content that increased with the increase of the MLO wt.% from 10 to 30 wt.%, with shifts of the final degradation temperatures from 410 °C to 425 °C and 445 °C, respectively.

Effect of bio-oil and epoxidized linseed oil on physical, mechanical, and biological properties of treated wood

2013 ◽  
Vol 130 (3) ◽  
pp. 1562-1569 ◽  
Author(s):  
Ali Temiz ◽  
Gaye Kose ◽  
Dmitri Panov ◽  
Nasko Terziev ◽  
Mehmet Hakkı Alma ◽  
...  
Keyword(s):  
Linseed Oil ◽  
Treated Wood ◽  
Biological Properties ◽  
Bio Oil ◽  
Epoxidized Linseed Oil

UV-Curable Organic-Inorganic Hybrid Films Based on Epoxynorbornene Linseed Oils

2011 ◽  
Vol 217-218 ◽  
pp. 294-299
Author(s):  
Jian Yun He ◽  
Jin Ping Xiong ◽  
Bing Qian Xia
Keyword(s):  
Linseed Oil ◽  
Silica Content ◽  
Coating Properties ◽  
Hybrid Films ◽  
Nano Silica ◽  
Pencil Hardness ◽  
Uv Curable ◽  
Inorganic Hybrid ◽  
Silica Coatings ◽  
Wetting Properties

Epoxynorbornene linseed oil (ENLO) is a new kind of epoxide from renewable sources. An UV-curable organic/inorganic hybrid films using epoxynorbornene linseed oils (ENLO) and surface treated nano-silica were formulated. The mechanical properties，thermal properties and coating properties of the ENLO /silica coatings were evaluated as the function of nano-silica content. The results indicated that after incorporating the nano-silica, the strength, modulus and glass transition temperature of the hybrid films enhanced, while the elongation at break decreased. The nano-silica also improved the hybrid coating properties such as pencil hardness, solvent resistance and surface wetting properties. The morphology observation of the films by atomic force microscopy (AFM) showed that the average silica particle size was ~ 70 nm and the particles were well-dispersed in the organic phase.

Curing of wood treated with vinyl acetate-epoxidized linseed oil copolymer (VAc-ELO)

Holzforschung ◽  
2016 ◽  
Vol 70 (4) ◽  
pp. 305-312 ◽  
Author(s):  
Shengzhen Cai ◽  
Mohamed Jebrane ◽  
Nasko Terziev
Keyword(s):  
Vinyl Acetate ◽  
Linseed Oil ◽  
Curing Temperature ◽  
Attenuated Total Reflectance ◽  
Linear Relationships ◽  
Reflectance Ftir ◽  
New Formulation ◽  
Time Linear ◽  
Ir Bands ◽  
Epoxidized Linseed Oil

Abstract Scots pine sapwood was treated with a new formulation consisting of vinyl acetate (VAc) and epoxidized linseed oil (ELO) catalyzed by potassium persulfate to impart protection to wood. The effects of various curing temperatures, durations, and solution uptakes on dimensional stability (DS) and leachability were studied. The new formulation provided good anti-swelling efficiency (ASE) ranging from 35% to 47% with negligible leaching of the treating agent after four cycles of water soaking and oven drying (2%–2.5%). The extent of polymerization in wood was observed by FTIR-attenuated total reflectance (FTIR-ATR) by evaluation of the areas below typical IR bands as a function of curing temperature and time. Linear relationships were found with high R2 values. The FTIR data of extracted samples were interpreted that chemical reactions took place between the resulting copolymer and wood components.

scholarly journals SiO2/Ladder-Like Polysilsesquioxanes Nanocomposite Coatings: Playing with the Hybrid Interface for Tuning Thermal Properties and Wettability

Coatings ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 913
Author(s):  
Massimiliano D’Arienzo ◽  
Sandra Dirè ◽  
Elkid Cobani ◽  
Sara Orsini ◽  
Barbara Di Credico ◽  
...  
Keyword(s):  
Thermal Resistance ◽  
Material Characterization ◽  
Structural Organization ◽  
Sio2 Nanoparticles ◽  
Nanocomposite Coatings ◽  
Film Material ◽  
Functionalized Silica ◽  
Uv Curable ◽  
Silica Fillers ◽  
Hybrid Interface

The present study explores the exploitation of ladder-like polysilsesquioxanes (PSQs) bearing reactive functional groups in conjunction with SiO2 nanoparticles (NPs) to produce UV-curable nanocomposite coatings with increased hydrophobicity and good thermal resistance. In detail, a medium degree regular ladder-like structured poly (methacryloxypropyl) silsesquioxane (LPMASQ) and silica NPs, either naked or functionalized with a methacrylsilane (SiO2@TMMS), were blended and then irradiated in the form of a film. Material characterization evidenced significant modifications of the structural organization of the LPMASQ backbone and, in particular, a rearrangement of the silsesquioxane chains at the interface upon introduction of the functionalized silica NPs. This leads to remarkable thermal resistance and enhanced hydrophobic features in the final nanocomposite. The results suggest that the adopted strategy, in comparison with mostly difficult and expensive surface modification and structuring protocols, may provide tailored functional properties without modifying the surface roughness or the functionalities of silsesquioxanes, but simply tuning their interactions at the hybrid interface with silica fillers.

scholarly journals Fully Biobased Epoxy Resins from Fatty Acids and Lignin

Molecules ◽  
2020 ◽  
Vol 25 (5) ◽  
pp. 1158 ◽  
Author(s):  
Pablo Ortiz ◽  
Richard Vendamme ◽  
Walter Eevers
Keyword(s):  
Epoxy Resin ◽  
Renewable Resources ◽  
Epoxy Resins ◽  
Linseed Oil ◽  
Tensile Tests ◽  
Present System ◽  
Gravimetric Analysis ◽  
Scanning Calorimetry ◽  
Commodity Chemicals ◽  
Epoxidized Linseed Oil

The use of renewable resources for plastic production is an imperious need for the reduction of the carbon footprint and the transition towards a circular economy. With that goal in mind, fully biobased epoxy resins have been designed and prepared by combining epoxidized linseed oil, lignin, and a biobased diamine derived from fatty acid dimers. The aromatic structures in lignin provide hardness and strength to an otherwise flexible and breakable epoxy resin. The curing of the system was investigated by infrared spectroscopy and differential scanning calorimetry (DSC). The influence of the different components on the thermo-mechanical properties of the epoxy resins was analyzed by DSC, thermal gravimetric analysis (TGA), and tensile tests. As the content of lignin in the resin increases, so does the glass transition, the Young’s modulus, and the onset of thermal degradation. This correlation is non-linear, and the higher the percentage of lignin, the more pronounced the effect. All the components of the epoxy resin being commodity chemicals, the present system provides a realistic opportunity for the preparation of fully biorenewable resins at an industrial scale.

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