Vegetable oil based polyurethanamide/organo‐montmorillonite bio‐nanocomposite

Abstract

The present work describes the synthesis and characterization of polyurethanamide/organo-montmorillonite bionanocomposites (OBNC) from Linseed oil-a renewable resource. The aim of the work is (i) to widen the scope of application and improve the performance of vegetable oil based polymers, and (ii) to investigate the effect of introduction of modified clay on their structure, morphology, thermal stability, and coating properties. OBNC has been prepared by in situ polymerization of Linseed oil derived diol fattyamide and tolulylene-2,4-diisocyanate in the presence of different contents of OMMT (0.5-2.5 mass % in minimum amount of dimethylformamide) at room temperature. OBNC has been characterized by optical microscopy, FTIR, XRD, TEM, and TGA, which confirm the formation of OBNC. OBNC produced tough, scratch-resistant, impact resistant, flexibility retentive coatings, which cure at room temperature with improved coating performance and thermal stability than virgin polymer. Amongst all the compositions, OMMT-1.5 showed the best coating properties, with good scratch hardness (3.5 kg), impact (passes 200 lb/inch.) and bent test values (passes 1/8 inch). It can be commercially used as effective green coating material in future.

New hybrid materials based on double‐functionalized linseed oil and halloysite

“…15 Through an eco-friendly procedure, Gallon obtained hybrid microparticles for drug delivery based on castor oil, able to entrap and release in physiological conditions a model drug, showing good results in cytocompatibility. 16 In other way, it is known that clays are used as fillers to improve the polymers properties [17][18][19] as well as to improve the VO-based material performances, [20][21][22][23][24] the last reported strategy being a promising association of 2 natural components, taking into account the worldwide issues concerning the environment and depletion of fossil resources, biomass remaining 1 of the most important renewable raw material platforms. 25 Particularly, halloysite nanotubes (HNTs) are recommended as candidates to reinforce different types of synthetic or natural polymers due to the easily dispersion into the organic matrix.…”

Development of Hydrophobic, Anticorrosive, Nanocomposite Polymeric Coatings from Canola Oil: A Sustainable Resource

“…It reveals broad peak 2 theta at 20 • that is correlated to the amorphous behavior of both the materials. This behavior did not affect the dispersion of FS [24,25].…”

Synthesis of poly(butyl acrylate‐co‐methyl methacrylate)/montmorillonite waterborne nanocomposite via semibatch emulsion polymerization

“…This decline is supposed to be due to the surface roughness created by MMT particles . On the other hand, there are many studies in literature showing that MMT additives increased gloss of polymer films . The gloss measurements of the nanocomposites are presented in Table .…”