Recent advances in cellulose and its derivatives for oilfield applications.

Increased environmental concerns and global warming have diverted focus from eco-friendly bio-composites. Naturals fibers are abundant and have low harvesting costs with adequate mechanical properties. Hazards of synthetic fibers, recycling issues, and toxic byproducts are the main driving factors in the research and development of bio-composites. Bio-composites are degradable, renewable, non-abrasive, and non-toxic, with comparable properties to those of synthetic fiber composites and used in many applications in various fields. A detailed analysis is carried out in this review paper to discuss developments in bio-composites. The review covers structure, morphology, and modifications of fiber, mechanical properties, degradable matrix materials, applications, and limitations of bio-composites. Some of the key sectors employing bio-composites are the construction, automobile, and packaging industries. Furthermore, bio-composites are used in the field of medicine and cosmetics.

https://www.mdpi.com/1420-3049/26/2/404/pdf

A Review on Natural Fiber Bio-Composites, Surface Modifications and Applications.

Access to a wide range of plastic materials has been rationalized by the increased demand from growing populations and the development of high-throughput production systems. Plastic materials at low costs with reliable properties have been utilized in many everyday products. Multibillion-dollar companies are established around these plastic materials, and each polymer takes years to optimize, secure intellectual property, comply with the regulatory bodies such as the Registration, Evaluation, Authorisation and Restriction of Chemicals and the Environmental Protection Agency and develop consumer confidence. Therefore, developing a fully sustainable new plastic material with even a slightly different chemical structure is a costly and long process. Hence, the production of the common plastic materials with exactly the same chemical structures that does not require any new registration processes better reflects the reality of how to address the critical future of sustainable plastics. In this review, we have highlighted the very recent examples on the synthesis of common monomers using chemicals from sustainable feedstocks that can be used as a like-for-like substitute to prepare conventional petrochemical-free thermoplastics.

https://pubs.acs.org/doi/pdf/10.1021/acs.chemrev.2c00354

Polymers without Petrochemicals: Sustainable Routes to Conventional Monomers

Synthesis and polymerization of bio-based acrylates: a review

Banana fiber Cellulose Nano Crystals grafted with butyl acrylate for heavy metal lead (II) removal.

https://hal.archives-ouvertes.fr/hal-02064822/document

Synthesis of graft-copolymers from palm cellulose and solketal acrylate and their characterization

In this study, different ratios of poly (hydroxyethyl methacrylate-co-hydroxyethyl acrylate) hydrogels (HEMA-co-HEA), corresponding to (100/0, 70/30, 60/40, 50/50, 40/60, 30/70, and 0/100) were successfully prepared by free radical polymerization leading to tunable drug release materials for therapeutic soft contact lenses (SCLs) applications The microstructures of the materials were investigated using Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM), and their thermal properties were examined with differential scanning calorimetry (DSC) and thermogravimetric (TGA) analyses The results showed that the presence of HEA in the hydrogels matrix improved the materials’ microstructure and enhanced the swelling capacity in a 09% NaCl solution (pH = 55) at 37 °C Furthermore, in vitro study of the loading and release of acetazolamide, as a model drug, showed a non-Fickian drug release behavior for all the studied hydrogels, whereas the highest drug release/loading capacity was observed for the hydrogel ratio HEMA/HEA of 40/60 Therefore, it can be concluded that the corresponding hydrogel is a promising curative SCLs material for a sustainable drug release application

Poly (hydroxyethyl methacrylate-co-hydroxyethyl acrylate) soft contact lenses for acetazolamide release

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Synthesis of graft-copolymers from palm cellulose and solketal acrylate and their characterization

Poly (hydroxyethyl methacrylate-co-hydroxyethyl acrylate) soft contact lenses for acetazolamide release